Power supply

Abstract

The invention provides a power supply comprising a hot end component, a generating component, a cold end component and insulating material. The generating component comprises at least one generator sheet; the generator sheets are connected through power lines to output current; the generating component is fixed between the hot end component and the cold end component; the hot end of the generating comment is in tight contact with the hot end component; the cold end of the generating component is in tight contact with the cold end component; an area, with no generating component, between the hot end component and the cold end component is filled with the insulating material; the cold end component, the generating component and the hot end component are distributed layer by layer; the hot end component is fixed on the outer surface of a rotary kiln; the hot end component transmits radiant heat of the rotary kiln to the hot end of the generating component; the cold end component is used for dissipating the heat of the cold end of the generating component, thus a temperature difference occurs between the cold end of the generating component and the hot end thereof and is used for generating power to power electronic devices distributed on a kiln body. The power supply has the advantages that power supply cost is lowered, and the power supply is more energy efficient and environment friendly and is simple to mount and maintain.

Description

technical field [0001] The invention relates to a power supply device. Background technique [0002] Rotary kiln is a continuously rotating cylindrical high-temperature kiln placed at an angle, used for drying, roasting and calcination of materials, and is widely used in metallurgy, cement, refractory materials, chemical industry and other industries. In order to monitor and control the normal operation of the rotary kiln, it is often necessary to arrange a variety of electronic devices on the kiln body. Because the rotary kiln needs continuous rotation, it is generally difficult to provide external power supply for these devices. The commonly used power supply methods in the prior art mainly include the following two kind: [0003] One is the slip ring power supply, that is, the electronic equipment receives power through the conductive slip ring concentric with the rotary kiln. Although this method can provide the equipment with weak electricity (such as 24V DC) and stron...

AI Technical Summary

Problems solved by technology

[0003] One is the slip ring power supply, that is, the electronic equipment receives power through the conductive slip ring concentric with the rotary kiln. Although this method can provide the equipment with weak current (such as 24V DC) and strong current (such as 380V AC), but because this method is harmful to the sliding The requirements for the concentricity of the ring and the rotary kiln are high, which makes the installation of the slip ring difficult, the later maintenance is troublesome, and the reliability of the contact is also difficult to guarantee. In addition, there is a problem of high investment and high cost.

[0004] The other is battery-powered, that is, the electronic device is directly powered by the battery installed in the device. The voltage provided by this method is very small, which may not be able to meet the working needs of some devices, and the battery power is used for a short time. It is very difficult to replace the battery of the equipment during the operation of the kiln; in addition, the high temperature environment around the rotary kiln may shorten the service life of the battery, which further shortens the battery replacement cycle and increases the input cost

[0005] To sum up, the power supply methods in the prior art are not very ideal, and it is impossible to realize the power supply to electronic equipment in a simple, reliable and low-cost manner.

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