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叉车遥控启动系统(见图1)中的遥控信号发射器设有“启动”和“熄火”2个按钮。当按下“启动”按钮时,发射器经内部的编码单元和信号放大器向外发射一定的编码信息。信号发射器工作原理如图2所示。当按下启动按钮K1时,遥控信号发射器经内部各功能单元逻辑运算向外发出启动信号;当按下熄火按钮K2时,遥控信号发射器经内部各功能单元逻辑运算向外发出熄火信号。信号接收器工作原理如图3所示。当遥控信号接收系统通过天线接收到一定的编码信息后,经其内部信号放大器和信号调解器,将信息送至MCU微处理器,
The remote control signal transmitter in the remote starting system of the forklift (see Figure 1) has two buttons, “Start” and “Stop”. When the “Start ” button is pressed, the transmitter emits certain coded information outwards via the internal coding unit and the signal amplifier. Signal transmitter works as shown in Figure 2. When the start button K1 is pressed, the remote control signal transmitter issues a start signal to the outside through the logic operation of each functional unit inside. When the stop button K2 is pressed, the remote control signal transmitter issues a turn-off signal through the logic operation of each functional unit inside. Signal receiver works as shown in Figure 3. When the remote control signal receiving system receives certain coding information through the antenna, the information is sent to the MCU microprocessor via its internal signal amplifier and signal modem,