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安徽淮北矿业袁庄矿自行研制的井下电机车换向自动鸣笛装置,获得了淮北矿业“五小”科技优秀奖,填补了淮北矿业井下电机车无换向自动鸣笛的空白。该装置的原理是将两块磁铁固定在电机车司机控制的操作把手上,将磁信号转换成电信号。当电机车司机将换向把手扳到所需的行车方向时,电信号触发振荡器进入固态继电器,以此推动电机车电笛鸣响,鸣笛后电机车换向行驶,从而可消除因无自动鸣笛而
Anhui Huaibei Mining Yuanzhuang mine self-developed underground electric locomotive reversing automatic whistling device, won the Huaibei Mining “five small ” science and technology excellence award, to fill the Huaibei Mining underground locomotive no whistle automatic whistle blank. The principle of the device is that the two magnets are fixed on the operation handle controlled by the driver of the electric locomotive, and the magnetic signal is converted into the electric signal. When the driver of the electric locomotive pulls the reversing handle to the required driving direction, the electric signal triggers the oscillator to enter the solid state relay, so as to promote the electric whistle of the electric locomotive and the reversing of the locomotive after the whistle so as to eliminate Automatic whistle while