Charging system
The charging system for construction machinery uses a main and sub-power supply unit with secondary batteries and a management device to address power capacity and efficiency issues, ensuring smooth and efficient charging and work continuity.
WO2026140792A1PCT designated stage Publication Date: 2026-07-02KYUSHU ELECTRIC POWER CO INC +1
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- KYUSHU ELECTRIC POWER CO INC
- Filing Date
- 2025-12-05
- Publication Date
- 2026-07-02
AI Technical Summary
Technical Problem
Existing charging systems for construction machinery face limitations in power capacity and efficiency, particularly in supplying sufficient power to multiple machines and managing battery usage effectively.
Method used
A charging system comprising a main power supply unit with a first secondary battery, a sub-power supply unit with a second secondary battery, and a management device that estimates power usage based on construction work information to ensure sufficient and efficient charging of multiple construction machines.
Benefits of technology
The system enables efficient and sufficient charging of construction machinery, allowing smooth and uninterrupted construction work by managing battery usage patterns and calculating optimal charging schedules.
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Smart Images
Figure JP2025042536_02072026_PF_FP_ABST
Abstract
Provided is a charging system for charging a plurality of construction machines that use electric power as a drive source, from a main power supply device and a sub power supply device. The charging system comprises: a main power supply device 10 that has a first secondary battery 11 charged with power from outside and charges a third secondary battery 31 mounted on a construction machine 30 with the power stored in the first secondary battery 11; and a sub power supply device 20 that has a second secondary battery 21 charged with power from outside, is coupled to the main power supply device 10, and functions as an auxiliary power supply of the first secondary battery 11.
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