【摘要】 [目的]研究温室营养液调控器的设计,以实现营养液的全天候合理调配。[方法]采用模块化的设计思想,以AT89C55为主控芯片设计了一套温室营养液调控器。[结果]该系统硬件由设置、采集、控制3部分组成。该营养液控制器可以实现营养液的EC、pH参数的采集,并结合作物营养液配制与调控知识和专家的经验,实现营养液合理调配,并支持键盘输入与数码显示。[结论]该控制器成本低,操作简单方便,运行可靠。更多还原

【Abstract】 [Objective]The aim was to study the design of nutrition solution regulating controller in greenhouse in order to achieve reasonable allocation of nutrient solution.[Method] Based on the modularized design idea,the controller using AT89C55 as main control chip was designed and its hardware was made up of setting,acquisition and control component.[Result]The results showed that it could collect EC and pH of nutrition solution parameter.Combined with the knowledge of nutrient solution allocation and regulation and the experience of experts,reasonable allocation of nutrient solution and support for keyboard input and digital display were achieved.[Conclusion]The controller was low cost,simple and reliable operation.更多还原