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Coffee pump loses half its pressure in six months? 6-station extraction life bench monitors pressure and flow with decay analysis

Popularity:2Time of publication:2026/10/10 20:54:55

The problem

Pump-extraction failures mean half the pressure at the cup; manual simulation cannot reproduce real usage rhythm, and 5000 cycles cannot be pressed by hand. This bench runs both aging and linked modes with full performance-decay curves.

Capability

6 parallel stations (3+3 two layers), independent cylinder and program per station; 12V, 5000 aging cycles (60s work / 60s standby); period setting [(on x, off y) x m + rest z] x n, momentary or held press selectable; auto actions: fill (level-controlled), button press & gear select, stirring, drain valve, fan cooling (adjustable); cooling re-test every 100 cycles (fan 5min + HMI prompt); V/A/power per station live display; pressure & flow sensors per station with thresholds (pressure -15%, flow -20%, power +25%, no-flow 30s); 3-channel thermocouples per layer; PID bath 92-93C; sensors 4-20mA/RS485 MODBUS; Siemens PLC + HMI + 12V/60A supply; PC data management software optional.

Key specifications

  • 测试工位:6工位并行(上下层各3工位),各工位独立气缸与独立程序周期控制
  • 测试对象:手持微型咖啡机水泵萃取系统(水泵式/水罐式均可),12V额定电压
  • 测试模式:A发热片联动冷热循环测试 / B独立老化循环测试(默认)
  • 标准工况:12V连续5000次老化循环;工作60秒-待机60秒(时间可设)
  • 周期设置:大小周随意设置[(开x,停y)×m次+休息z]×n次;x触发可选按压瞬时/保持动作
  • 冷却复测:每100次自动风扇冷却5分钟,HMI弹窗提醒全性能复测
  • 自动动作:进水阀自动加水(水位自动监测)→按键自动按压/档位选择→通电搅拌→电磁阀排热水→风扇散热(时间可调)
  • 电参数监测:智能参数变送器全程监测电压/电流/功率,各工位实时数显、超限报警并切断电源
  • 水路监测:每工位压力传感器+流量计;报警阈值压力下降>15%、流量减少>20%、断流>30s
  • 温度监控:每层靠边工位3通道热电偶;恒温水箱PID控温92~93℃(预热30分钟)

Applications

Life verification of coffee machine pumps and extraction assemblies; incoming inspection and supplier audit; R&D endurance and benchmark testing

About the manufacturer

Guangdong Endurance Electronic Equipment Co., Ltd provides non-standard customization, drawing confirmation, factory acceptance, on-site installation and commissioning, operation training and lifetime technical service; 12-month warranty and lifetime spare parts supply. Tel: 0760-88500902 / 13416787649. Web: en.zsnaili.com.

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