To innovate weft control system of projectile loom with low cost, signal transducer was designed, designed weft sensor was instead of weft detector, circuit diagram was got.

为了实现在片梭织机上进行纬向控制系统的低成本改造，自行设计了信号转换板，采用常规电子元器件自制的纬纱传感器代替纬纱检测器，并给出了线路连接图。

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Output terminal of the liquid temperature detector between the perfusion tube pinhead and transfusion hose tube is connected to the control signal input port of the transfusion speed controller.

在输液管针头与输液软管之间的液体温度检测器的输出端连接到输液速度控制器的控制信号输入端口。

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When high level sparks are detected, the infeed conveyor is stopped, and the product reject flap in the discharge chute is opened by a signal from the spark detector control unit.

当火花出现频率较高时，进料振槽停止工作，并且在出料槽内的分料风门，从火花探测器得到一个信号，并被打开。

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