The structure and principle of the LV-3 type height control valve in Japan are described. And the common troubles appeared in application of the height control valve are analyzed.
介绍了日本LV 3型高度控制阀的结构和原理，并分析了该高度控制阀在运用中出现的常见故障。
When the water tank after falling, floating ball valve to open, the control room pressure drops, the main valve to open again to water, keep the level set height.
当水池水面下降后，浮球阀重新开启，控制室水压下降，主阀再次开启继续供水，保持液面的设定高度。
The signal of soil resistance sensor and the implement lift height sensor and the control-valve sensor were measured and managed. The system was under the control of the SCM.
分别阐述了自动控制系统的组成、工作原理、土壤阻力传感器、农具提升高度传感器、主控制阀位移传感器信号的测取与处理以及单片机控制的实现。
The signal of soil resistance sensor and the implement lift height sensor and the control-valve sensor were measured and managed. The system was under the control of the SCM.
分别阐述了自动控制系统的组成、工作原理、土壤阻力传感器、农具提升高度传感器、主控制阀位移传感器信号的测取与处理以及单片机控制的实现。
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