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BEVERAGE PREPARATION MACHINE WITH ENHANCED PUMP CONTROL

机译:具有增强的泵控制功能的饮料制备机

摘要

The present invention relates to a beverage preparation system (10) for controlling a beverage preparation process by injection of liquid into a cartridge (20), the system comprising—a pressure adjustable pump (2) for delivering different pressures upon varying at least one of its drive characteristics such as the speed of the pump, —a sensor (3) for measuring an operating parameter of the pump (2) such as a current absorbed by the pump, —a flow sensor (1) for measuring a liquid flow parameter of liquid injected into the cartridge (20), —a control unit (6) designed to control an extraction pressure of the cartridge (20) by adjusting the drive characteristics of the pump (2) based on pre-established pressure interpolation data (12) depending on the measured liquid flow parameter and the measured operating parameter of the pump.
机译:本发明涉及一种饮料制备系统( 10 ),用于通过将液体注入药筒( 20 )来控制饮料制备过程,该系统包括:-压力可调泵( 2 ),用于在至少改变其驱动特性之一(例如泵的速度)时传递不同的压力;-传感器( 3 )用于测量操作参数泵( 2 )的流量,例如泵吸收的电流,—流量传感器( 1 ),用于测量注入药筒的液体的液体流量参数(< B> 20 ),—一个控制单元( 6 ),设计用于通过调节泵的驱动特性来控制药筒( 20 )的抽气压力( 2 )基于预先建立的压力插值数据( 12 ),具体取决于测得的液体流量参数和测得的泵运行参数。

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