IC752DPJ000
IC752DPJ000
IC752DPJ000
IC752DPJ000
IC752DPJ000
本系统中，我们采用供暖温度自动调节功能，即根据室外温度变化，能自动调节给定温度。这可以用一个室外的传感器（TC1），来采集并把它送到PLC。
我们在负载一定时，循环水的温度是通过给定温度与出水温度的变化来调节入汽的流量。在该部分我们用一个温度传感器（TC2）来测量出水温度，并把这个温度之送入PLC，它与给定温度通过PID算法来控制电动阀门的开度，从而控制入汽的流量。
当负载发生变化时，我们是通过控制循环水流过换热站的流速来实现的。用一个温度传感器（TC3）来测量回水温度，并把该温度传给PLC，它与出水温度通过PID算法，来控制变频器（A1）。从而控制循环水泵达到控制水流过换热站的速度的目的。
补水部分
由于在现实生活中，存在从供暖管中放水的现象，所以我们要设定一个补水部分，以保证管内的水量已定。
我们的补水是利用补水泵从储水池中把水送入循环系统。补水控制是通过出水压力与循环水泵的转速来控制智能模糊控制模块达到对泵的控制。
实现方法：应压力传感器（PC）测量循环水泵下面的出水压力，和利用温度传感器（TC1）测出回水的温度并送入PLC用来控制智能模糊控制模块，然后控制变频器，从而控制补水泵的开启。
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