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为了现场测试电液伺服阀状态专门研制了便携式伺服阀测试仪,该测试仪能对射流管伺服阀、喷档伺服阀及比例阀进行高精度控制调节,能迅速判断阀控故障。电路设计遵循EMC电磁干扰协议,采用进口低漂移、高稳定器件,输出电流可达微安级控制,抗干扰不抖动,数字量电流显示准确直观。并运用先进电源管理方案,自身功耗低,适合长时间稳定工作。
In order to test the condition of electro-hydraulic servo valve on site, a portable servo valve tester has been specially developed. The tester can precisely control and adjust the jet pipe servo valve, spray servo valve and proportional valve, and can quickly determine the valve control fault. The circuit design follows the EMC electromagnetic interference protocol and adopts the imported low drift and high stability device, the output current can reach the micro-ampere level control, the anti-jamming does not jitter and the digital current display is accurate and intuitive. And the use of advanced power management solutions, their low power consumption, suitable for a long time stable work.