A laser generator high-voltage DC stabilized power supply circuit for a laser computer embroidery machine

Abstract

The embodiment of the present invention discloses a laser generator high-voltage DC stabilized power supply circuit for a laser computer embroidery machine, including a filter rectifier circuit, a DC high-voltage stabilizer circuit, a high-voltage generation circuit, and a laser control circuit; the filter rectifier circuit includes an EMI filter circuit and Rectifier bridge; the DC high-voltage stabilizing circuit includes electrolytic capacitors C1 and C2 connected in series, a high-frequency transformer, MOS field effect transistors T1 and T2 connected in series at both ends of the rectifier bridge, and the high-voltage generating circuit includes a high-voltage package and The MOS field effect transistors T3 and T4 are connected in series at the ends of the diodes D1 and D2. With the present invention, the 220-volt AC power grid voltage is rectified and filtered to produce a DC voltage of about 310V, which is supplied to the DC high-voltage stabilizing circuit to generate a stabilized positive and negative 150-V DC voltage as the power supply for the high-voltage generating circuit, which solves the problem of The problem that the output power of the existing carbon dioxide laser power supply changes with the fluctuation of the grid voltage realizes the application of the carbon dioxide laser on the laser computer embroidery machine.

Description

technical field [0001] The invention relates to a laser generator power supply circuit, in particular to a high-voltage DC stabilized power supply circuit for a laser computerized embroidery machine. Background technique [0002] Embroidering colorful three-dimensional patterns on cloth is a traditional handicraft of my country, but handmade cannot meet the needs of people's growing material and cultural life. With the development and progress of science and technology, the embroidery process has gradually developed from manual embroidery to mechanized and computerized embroidery through the research and development of a large number of technicians. One of the embroidery processes is this: superimpose colored cloth on the base cloth, and manually Or the machine embroiders patterns such as flowers, and then cuts off the excess color cloth, so that a beautiful color embroidery pattern is formed on the base cloth. In this process, the cutting of the excess color cloth can be ma...

AI Technical Summary

Problems solved by technology

Under this requirement, the main disadvantage of the existing laser power supply is that when the grid voltage fluctuates, the generated positive and negative 150V DC voltage fluctuates at the same time, which affects the change of the high-voltage power supply voltage of the laser and the stability of the laser output power.

At present, most of the regulated power supply technologies in the existing technology are aimed at low voltages below 36 volts, and there are no ready-made regulated products and technologies for 300 volts / 60W DC voltage, and it is necessary to achieve complete cooperation with the high-voltage generation circuit of the carbon dioxide laser

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