An improved thyristor cooling device in a coffee machine

Abstract

The invention provides an improved thyristor cooling device in a coffee machine, and belongs to the technical field of coffee machines. The improved thyristor cooling device comprises a circuit board, thyristors, leads and a radiator formed by a mounting portion and a supporting portion, the thyristors are arranged on the mounting portion, the circuit board is arranged on the supporting portion, cooling fins are arranged on the radiator, the cooling fins and the radiator are connected together to form a heat radiation part which is made of copper alloy, a cold water guide pipe is inserted in the radiator, the cold water guide pipe penetrates through the cooling fins, and the two ends of the cold water guide pipe are communicated with a water tank and a boiler respectively. The copper alloy of the heat radiation part comprises 64.0 percent to 66.0 percent of Cu, 0.8 percent to 1.2 percent of Sn, 5.0 percent to 7.0 percent of Al, 0.2 percent to 0.5 percent of Ni, 0.2 percent to 0.8 percent of Fe, 1.0 percent to 2.0 percent of Mn, 0.1 percent to 1.5 percent of Si, 0.8 percent to 1.5 percent of Pb, 0.02 percent to 0.05 percent of P and the balance Zn. The improved thyristor cooling device has the advantages of being simple in structure and good in heat radiation effect.

Description

technical field [0001] The invention belongs to the technical field of coffee machines, and relates to a cooling device, in particular to an improved thyristor cooling device in a coffee machine. Background technique [0002] Thyristor is the abbreviation of silicon controlled rectifier. It is a high-power semiconductor device with a four-layer structure of three PN junctions. It is also called a thyristor and is one of the more commonly used semiconductor devices. There are several types of thyristors: one-way, two-way, turn-off and light control. It has the advantages of small size, light weight, high efficiency, long life, and convenient control. It is widely used in controllable rectification, voltage regulation, inverter, etc. Various automatic control and high-power electric energy conversion occasions such as transformers and non-contact switches. [0003] Existing coffee machines are generally equipped with a heating device. The cold water injected from the outside ...

AI Technical Summary

Problems solved by technology

In order to ensure that the temperature of each cup of brewed coffee is very close, the hot water in the coffee machine needs to be continuously heated to ensure a constant temperature, and the thyristor is an important component in the heating device, so it needs to work for a long time, and the thyristor Heat will be generated during work. If the heat cannot be dissipated in time, it is easy to cause damage to the thyristor due to excessive temperature, thus achieving the purpose of not controlling

[0004] Therefore, some people directly install heat sinks on the circuit board. In order to ensure the heat dissipation effect, it is necessary to install multiple heat sinks on the circuit board to achieve a certain heat dissipation effect. This structural design not only makes the circuit board only lean against the heat sink for heat dissipation , the heat dissipation effect is not good, and because the heat sink is directly soldered and installed on the main circuit board, the heat sink occupies a large area of ​​the main circuit board, so the area of ​​the main circuit board must be increased in the design to make the main circuit board There is a space reserved for the installation of the heat sink on the

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