The utility model relates to a downhole mechanical safety operation voice prompting device, which is used for controlling the magnetic starter of a downhole operation machine. To solve the technical problems of the operator does not operate according to the operating rules and accidents, including transformer rectifier voltage regulator circuit (B), voice prompt button and terminal (J), optocoupler (G), a voice signal amplifying circuit (D), the speaker (C), voice chip (E), trigger (F), magnetic starter wiring board (A), the terminal (J) on the forward, reverse, stop button respectively with optocoupler (G) and trigger (F) connection, trigger (F) and chip and chip (H) and voice chip (E) connected together, and the core film (H) and relay circuit (I) connected together, the relay circuit (I) of the output terminal through the magnetic starter wiring board (A) are electrically connected with the coil magnetic starter, magnetic starter control pull. Can be used for the safe operation of underground mechanical equipment.
【技术实现步骤摘要】
【技术保护点】
一种井下机械安全操作语音提示器,包括:变压整流稳压电路(B)、语音提示器按钮及接线座(J)、光藕(G)、语音信号放大电路(D)、扬声器(C)、语音芯片(E)、触发器(F)、磁力启动器接线板(A),其特征在于:所述的接线座(J)上的正转、反转、停止按钮分别与光藕(G)的输入端和触发器(F)芯片的3脚、11脚连接,触发器(F)芯片的5脚和与门芯片(H)的1脚连接,触发器(F)芯片的9脚和与门芯片(H)的4脚连接,与门芯片(H)的2脚和5脚与语音芯片(E)的25脚连接在一起,与门芯片(H)的3脚和6脚与继电器电路(I)连接在一起,继电器电路(I)的输出端子通过磁力启动器接线板(A)与磁力启动器的线圈电连接,从而控制磁力启动器的吸合。
【技术特征摘要】
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