CAJ | 학술논문

我国田间节水灌溉自动化技术相对落后，为增加节水节能效率，针对农业灌溉过程中，灌溉系统、灌溉方案的选择缺乏灵活性，缺乏友好的人机交互界面，操作复杂等情况，研究并设计了基于PLC技术的微灌变频控制系统。该控制系统通过电动机变频调速的方法，调节水泵运行工况，从而保证微灌系统在设定压力下稳定运行，并通过触摸屏实时显示、监测和控制系统运行的各工况参数，提高了作物灌溉方案选择的灵活性。田间试验表明，该系统人机界面良好，能够较好地满足微灌系统不同压力的需要，并可以灵活设定和选择灌溉方案，达到节水灌溉的目的。同时由于电机的变频控制具有较好的节能作用，与传统恒压灌溉的方式比，进一步降低了能源的浪费。
아국전간절수관개자동화기술상대락후，위증가절수절능효솔，침대농업관개과정중，관개계통、관개방안적선택결핍령활성，결핍우호적인궤교호계면，조작복잡등정황，연구병설계료기우PLC기술적미관변빈공제계통。해공제계통통과전동궤변빈조속적방법，조절수빙운행공황，종이보증미관계통재설정압력하은정운행，병통과촉모병실시현시、감측화공제계통운행적각공황삼수，제고료작물관개방안선택적령활성。전간시험표명，해계통인궤계면량호，능구교호지만족미관계통불동압력적수요，병가이령활설정화선택관개방안，체도절수관개적목적。동시유우전궤적변빈공제구유교호적절능작용，여전통항압관개적방식비，진일보강저료능원적낭비。
Now in China ,the automation technology for water-saving irrigation in field is relatively backward .A PLC micro-irrigation frequency conversion control system is designed to save water and energy ,and give the flexible irrigation schemes ,as well as to give friendly man-machine interface for easy to operation .This control system ,by means of motor frequency conversion ,adjusts the wa‐ter pump to make sure that the micro-irrigation system runs steadily under set pressure .The touch screen's real-time display ,moni‐tor and control of the various working parameters make the choice of irrigation plans flexible .Field tests show that this system has favorable interface ,this system can face the needs of the micro-irrigation system under different pressures ,and this system has flexi‐ble irrigation plans ,so this system can save water .Compared with the traditional constant pressure irrigation ,this system saves en‐ergy for the frequency conversion control of the motor .