Automatic terminal agv battery temperature maintenance device and method

Abstract

The invention discloses an automatic wharf AGV battery temperature maintenance device and method, which includes several battery modules, a water cooling system, a heating system, a water circulation system and a battery management system. The battery management system includes a battery temperature detection module and a temperature control module; water cooling The system includes a compressor, a condenser and an evaporator; the heating system includes a heating pipe; the water circulation system includes a water pipe; the water pipe is installed around the battery module; the evaporator and the heating pipe are placed in the water pipe, and the water pipe is filled with water ;The temperature control module obtains the cell temperature of the battery module based on the cell temperature detection module, and controls the operation of the water cooling system or heating system. Through the joint action of the water cooling system, heating system and water circulation system, it can prevent the cell temperature from being too high or too low This keeps the cell temperature of the AGV battery within the optimum temperature range, slows down the rate of battery attenuation, avoids the possibility of increased discharge depth or even overcharge and overdischarge, and effectively prolongs its service life.

Description

technical field [0001] The invention belongs to the technical field of automated docks, and in particular relates to an automatic dock AGV battery temperature maintenance device and method. Background technique [0002] The automated terminal AGV (Automatic Guided Vehicle) relies on batteries to maintain power, usually powered by lithium batteries, and charged when the power consumption reaches the set limit. The internal basic structure of a lithium battery is composed of a positive electrode, a negative electrode, and an electrolyte between the positive and negative electrodes. When the battery is discharged, the negative electrode precipitates lithium ions through a redox reaction, and moves to the positive electrode through the dielectric. At this time, the positive electrode is in a rich state. In the lithium state, the negative electrode is in a lithium-poor state. During the activity of lithium ions, the electron movement generated generates current. [0003] Ideally...

AI Technical Summary

Problems solved by technology

[0004] When the battery temperature rises, all chemical reactions inside the lithium battery (including normal redox reactions and secondary reactions that can consume active substances inside the battery) will speed up, and at the same time, the corrosion of materials in the battery will also speed up, thus accelerating Attenuation of the battery; when the temperature rises to a certain level, the battery will fail rapidly, and when the temperature is low, the chemical reaction of the lithium battery is slow, so the discharge current becomes smaller, which reduces the available capacity of the battery and directly leads to its discharge Increased depth or even overcharge and overdischarge, thereby reducing its service life

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