A kind of AGV wireless charging pile system and using method thereof

Abstract

The invention provides an AGV wireless charging pile system and its usage method. In the daily working state of the AGV, the detection module detects the power of the AGV, and the main controller controls the vehicle-mounted wireless communication module to send a charging request to the control center, and the control center obtains the charging request. Analyze, determine the corresponding charging method, and send the corresponding charging command to the wireless charging pile; n wireless charging piles wirelessly charge the AGV at the same time, and the control center according to the current distance S between each wireless charging pile and the AGV n Find the weight W n , according to the weight W n Distribute the charging current I to each wireless charging pile n ;The total charging current I is greater than the maximum allowable current I of the AGV max , the n wireless charging piles are sorted and divided into multiple grades according to the distance, and the charging current is directly allocated according to the grade priority, and the detection module detects the power to determine whether the charging is completed. The invention can operate flexibly, does not affect the working efficiency of the AGV, and can charge the AGV quickly.

Description

technical field [0001] The invention relates to the technical field of wireless charging, in particular to an AGV wireless charging pile system and a method for using the same. Background technique [0002] At present, with the improvement of factory automation and intelligence, AGV (Automatic Guided Transport Vehicle) has been more and more widely used instead of manual handling. AGV has a guiding device and a microcomputer control system. It does not need a driver to drive, and can accurately drive along the guiding path. It has very high work efficiency and can realize 24-hour unattended operation. Traditional AGVs generally have rechargeable batteries. During the process, the system will monitor the battery power through relevant components. When the AGV power is insufficient, the system will suspend work and look for charging piles for charging. Since the position of the traditional charging pile is fixed, the AGV will run from the work site to the location of the charg...

AI Technical Summary

Problems solved by technology

[0003] (1) Multiple AGVs are charged at the same time, resulting in production interruption and seriously affecting production efficiency;

[0004] (2) The AGV will leave the existing station when charging, and related work will be stagnant

[0005] In addition, the AGV charging methods mainly include contact charging and wireless charging. Contact charging is not suitable for frequent random charging, and the charging contacts are worn and need to be replaced regularly.

And sparks may be generated during the charging process, posing a safety hazard

In addition, because the charging contacts are exposed parts, they cannot work normally in low-temperature condensation, humidity, flammable and explosive environments; wireless charging is a non-contact charging device that does not need to use cables to connect the vehicle to the power supply system. Contacts, chargers and electrical devices can be made without exposed conductive contacts

The current AGV wireless charging products use supercapacitors for fast charging, but because the specific power density of supercapacitors is much lower than that of lithium batteries, this will result in larger volume and weight of the equipment, and the cost is also very high. It is not widespread, and it is required that the charging power of each stop must meet the distance requirements of adjacent stops. Once the car stops halfway due to the exhaustion of power, manual intervention is required to provide electric energy for the car and increase labor maintenance costs, which cannot achieve the ideal the effect of automation

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