Key words:
Operation worry-free, advanced, supporting solutions, real-time monitoring, butler
Worry-free operation
The frequency conversion manager is Lidweaver's overall solution for providing users with automation control and energy-saving technological transformation. Providing all-weather protection support for every equipment is the ideal ideal operation state that the customer expects, but the resulting cost pressures. It is unbearable for inverter manufacturers and customers. Lead Huafu's inverter-based housekeeping solutions and steward-style remote service center based on information technology have made this promise a reality. For each device to create a dedicated full-service support services, 365 days a year of observation and timely prevention in real time; through the remote service center to fully protect the operational safety; through the professional processing of equipment operating data, in the need of maintenance and optimization to provide professional The solution is stronger and the implementation cost is lower, and the operational safety and customer benefits are effectively guaranteed.
Features:
1. Remote real-time observation and equipment operation report
2. Abnormal warning and fault warning
3, alarm reminder and maintenance reminder
4, breakdown consultation and maintenance guidance
5, operating parameters backup and optimization
6, data tracing and equipment file management
Installation and materials:
Hebei Jianye Steel site to install and debug, and now do some brief introduction to the installation and commissioning work. The frequency converter in the site is 10KV, 2600KW, No.: 12188, adopts the natural wind cooling of the air duct, and the load is a 4# primary dust removal fan, which adopts high-low-speed automatic segmented operation. This equipment dealer is Hanfeng Technology.
Tools used for installation: hand drill (3mm to 12mm drill bit), 1 Phillips screwdriver, 1 big screwdriver, 1 small Phillips screwdriver, 1 small screwdriver, 1 oblique pliers, and stripping pliers One, one iron, one meter of welding wire.
The required materials for installation: 1 3G router, 1 temperature sensor (R-8033 produced by Beijing Smartda), 1 humidity sensor, 5 differential pressure switches (range 100Pa to 1000Pa, 4 power cabinet top fans One fan is installed, one is installed in the control cabinet), one transformer temperature controller with communication port (Fujian Lide LD-B10-10F), several cables of 1.0mm2, several meters of communication cable, and several cable ties, Several lines nose.
First, the installation steps introduce:
1. Remove the original temperature controller of the transformer and replace it with a temperature controller with a communication port. Fujian Force LD-B10-10F. With a RS485 communication port, the communication port uses a standard MODBUS communication protocol that can read three analog temperature and fan status alarm status. One end of the communication cable is plugged into the temperature controller and the other end is plugged into the COM5 port of the display unit. Therefore, the human-machine interface is required to be a 7-inch widescreen. In this way, the temperature of the transformer coil can be transmitted to the man-machine interface through communication, the human-machine interface transmits the data to the PLC, and the PLC provides data to the Unicom 3G router. The picture below shows the photo of the temperature controller. The appearance of the standard temperature controller is the same, but there is only one RS485 communication port on the back.
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2. Install a 3G router. This 3G router is mounted on the U-rail of the control cabinet. One end of the communication cable connected to the programming port of the PLC is connected to the 3G router. See photo below
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3, the temperature sensor is installed in the control cabinet, with a strong magnet fixed on the rail or on the cabinet body. The humidity sensor performs humidity detection. The temperature sensor is usually a polymer moisture sensitive resistor and a polymer moisture sensitive capacitor, and then the humidity sensor signal is converted into a standard current signal or a standard voltage signal through a conversion circuit. The analog output uses a jumper set to a 4-20 mA analog output signal and is connected to the analog input channel 2 of the PLC. Installation photos shown in the figure below
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4. The temperature sensor R-8033 is mounted on the inner rail of the control cabinet. Two temperature probes are placed in the power cabinet, and a temperature probe is placed in the control cabinet. The R-8033 is connected to the COM3 port on the communication interface board through the RS485 port. The MODBUS communication protocol is used to display the three temperature values ​​on the interface. The solution is mature and stable. For the company's earlier drive products, the original use of R-8033 can be directly collected. For the inverter that does not use R-8033, the R-8033 power acquisition cabinet and the control temperature are shown in the following figure.
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5, control cabinet differential pressure switch, check the filter plug. The differential pressure switch is fixed in the control cabinet, and its P2 end should be led to the filter inside the power cabinet. The P1 end is exposed to the atmosphere.
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No matter how many filters, only one side of the filter is detected, because they are all in the same environment.
6, installed on the top fan pressure switch. Screw the differential pressure switch to the top of the fan, one above each fan. The P2 end of negative pressure detection is inserted in the air duct behind the fan, and the P1 end is exposed to the atmosphere. The contact of the differential pressure switch is connected to the PLC digital input module.
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Third, run
Local monitoring
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Through the customer application layer to provide customers with comprehensive non-stop operation support services.
Conclusion:
Through frequency conversion housekeeping digitization system we can not only realize the real-time understanding of the operation of our on-site frequency converter, but also bring convenience and safety to users. We can alert users in real time of equipment failures to provide early warning and fault prevention, remotely guide users to solve problems, and minimize losses.
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