Non-compensation heat preservation pipe prestressed mounting high-frequency switch power supply

Abstract

The invention provides a non-compensation heat preservation pipe prestressed mounting high-frequency switch power supply which comprises a control unit, a power unit and a cooling unit, wherein the control unit comprises an auxiliary power supply, a protection control system and a signal acquisition system; the power unit comprises an alternating current input signal, a rectification circuit, a high-frequency inversion circuit, a high-frequency rectification circuit and an output load; the protection control system controls and drives the high-frequency inversion circuit; the alternating current input signal is converted into direct current through the rectification circuit and then is converted into a pulse direct current signal through the high-frequency inversion circuit and the high-frequency rectification circuit so as to be sent to the output load; signals of the rectification circuit, the high-frequency inversion circuit, the high-frequency rectification circuit and the output load are fed back to the protection control system. The non-compensation heat preservation pipe prestressed mounting high-frequency switch power supply disclosed by the invention has the beneficial effects that the switching loss can be alleviated, the electromagnetic interference is lowered, the overall efficiency and the power density are improved, and high-efficiency energy conservation of a power supply product is realized, so that the volume and the weight of a power supply device are obviously diminished, and the cost and the occupied area are reduced.

Description

Technical field [0001] The invention relates to a switching power supply, in particular to a high-frequency switching power supply for non-compensated prestressed installation of heat preservation pipes. Background technique [0002] Due to differences in national conditions, the use of equipment imported from abroad in the pre-stressed installation of domestic heating pipe networks has great limitations. The first is that the length of the one-time preheating pipe network is short, the average retraction value of the pipe network is large, and the stress release is not complete, and the second is that the preheating time of a preheating section is lengthened, the overall construction period is extended, and the cost is increased. In order to make good use of these pipe networks, it is necessary to adjust the existing switching power supply. In addition, most domestic high-power rectifier heating power supplies use silicon controlled rectifier technology, the equipment volume an...

AI Technical Summary

Problems solved by technology

Moreover, the domestic high-power rectification heating power supply mostly adopts silicon controlled rectification technology, the volume and weight of the equipment are quite large, and the efficiency is also low.

On-site construction is powered by a generator, so the capacity of the generator will need to be further increased, and the fuel consumption of the generator will increase accordingly

It is more difficult to move the on-site equipment, and the rental cost of the generator is also increased

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