The utility model discloses a pumping capacity closed-loop energy-saving control device, which aims to provide an improved oil well production, reduce the energy consumption of pumping, and reduce labor intensity, saving the cost of pumping capacity full closed-loop energy-saving control device. It includes a housing and an internal control circuit in the shell, a control panel, the control circuit comprises a feedback circuit unit, air switch, vector frequency converter, relay, contactor, also contains capacity tracking CPU, the capacity of tracking CPU for the acquisition of a single oil well liquid production data, processing data into analog signals for the inverter speed tracking. Capacity tracking CPU control vector inverter and external speed feedback device, vector transducer and speed feedback device connected and feedback control circuit unit; air switch control circuit and feedback unit vector inverter.
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【技术保护点】
一种抽油机全闭环产能节能控制装置,包括外壳和内部控制电路,在外壳内有控制面板,其特征在于:所述的控制电路包括空气开关,回馈单元电路,矢量变频器,中间继电器,工频接触器,接触器,还含有产能跟踪CPU,该产能跟踪CPU用于采集油井单井产液量数据,将数据处理成模拟信号,供变频器执行速度跟踪; 所说的产能跟踪CPU控制矢量变频器,该产能跟踪CPU还外接速度反馈器,矢量变频器和速度反馈器相互连接,矢量变频器控制回馈单元电路,空气开关控制回馈单元电路和矢量变频器;矢量变频器通过接触器控制工频/变频运行器,空气开关通过工频接触器控制油井工频不变速运行采油;而产能跟踪CPU通过流量计量阀油井液量跟踪传感器采集油井油量; 所说的中间继电器用于辅助整个控制电路的正常工作和数据变送。
【技术特征摘要】
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