Coffee machine and working method thereof

Abstract

Disclosed are a coffee machine and a method of working same, using a hydraulic brewing apparatus: comprising a hydraulic brewing device (5) and a one-way valve (6), wherein the hydraulic brewing device (3) is provided with a hydraulic chamber (8) and a brewing chamber (9), and the one-way valve (6) is provided in a water route between the brewing chamber (9) and a water pump (1). During use, raw material is placed into the machine; the water pump (1) begins to pump water into the hydraulic chamber (8); and a piston head (10), under the thrust of the water pressure of the hydraulic chamber (8), moves from a starting position to a position compressing a raw material brewing vessel (4), sealed by means of a brewing sealing ring (15) fitted between the piston head (10) and the raw material brewing vessel (4). As the water pump (1) continues to pump water, the pressure in the hydraulic chamber (8) continues to increase until the water pressure thereof is greater than an elastic force set by the one-way valve (6) in the water route, at this time the one-way valve (6) will change from closed to open, causing the high-pressure water to enter the brewing chamber (9) and then from the brewing chamber (9) to pass through coffee powder to produce coffee. This type of coffee machine is a hydraulic brewing apparatus with a stable performance, being simple to operate, of low cost, and able to automatically compact the raw material, seal and brew by means of the system pressure provided by the water pump in the machine itself.

Description

technical field [0001] The invention relates to the technical field of brewing equipment for coffee and similar beverages, in particular to a coffee machine and its working method. Background technique [0002] At present, the demand for all kinds of coffee machines on the market has increased greatly, and such machines are required to have stable performance, simple operation, and low price. [0003] For the structural design of the pressing drive of the existing coffee machines, some use the pressing mechanism of the manual drive brewer, which has complex structure and complicated operation; some use the automatic pressing mechanism driven by the motor, which also has the disadvantage of complex structure. , and the price is higher. [0004] Simultaneously, the brewer of existing coffee machine, regarding valve control aspect, mostly adopts electromagnetic valve to control the opening and closing of valve, and the price is expensive; After the components have been used f...

AI Technical Summary

Problems solved by technology

[0003] For the structural design of the pressing drive of the existing coffee machines, some use the pressing mechanism of the manual drive brewer, which has complex structure and complicated operation; some use the automatic pressing mechanism driven by the motor, which also has the disadvantage of complex structure. , and the price is higher

[0004] Simultaneously, the brewer of existing coffee machine, regarding valve control aspect, mostly adopts electromagnetic valve to control the opening and closing of valve, and the price is expensive; After the components have been used for a long time, due to deformation, wear and other reasons, the working state is unstable and the valve cannot be accurately controlled

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