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[CN201721252885.X] Variable frequency energy grading remote monitoring system for hydraulic press
[CN201721252885.X] Title of a hydraulic machine variable frequency energy grading remote monitoring system: Application number of a hydraulic machine variable frequency energy grading remote monitoring system: CN201721252885.X Applicant: Chongqing Yishian Zhen Energy Saving Power Equipment Co., Ltd. Application date: 2017-9-28 Patent Type: Utility Model This utility model provides a hydraulic machine variable frequency energy grading remote monitoring system for recording and managing the energy consumption of hydraulic system oil supply, it includes three-phase power supply, digital ammeter, variable frequency drive, variable frequency motor, plunger pump and man-machine interface device. The variable frequency drive is respectively connected to the hydraulic system of the hydraulic press and the variable frequency motor. The variable frequency motor is connected to the plunger pump and the plunger pump is connected to the hydraulic system of the hydraulic press. The variable frequency motor drives the plunger pump to supply oil to the hydraulic system of the hydraulic press according to the flow and pressure signal fed back from the hydraulic system, the three-phase power supply is connected to the digital electric meter, and is connected to the variable frequency drive through the digital electric meter, a plurality of man-machine interface devices are connected to the digital electric meter, and the data is transmitted between the man-machine interface device and the digital electric meter through the RS485 channel, so as to realize the automatic recording of the power consumption.
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