Backup power supply system and moving object

By designing a backup power system including a power storage unit and a control unit in the vehicle backup device, the load power supply is controlled according to the electrical characteristics of the main power supply, the problem of difficult to suppress the consumption of the power storage unit is solved, and more efficient power management is achieved.

CN119654761APending Publication Date: 2025-03-18PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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Patent Information

Application Number
CN202380058192.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2022-08-31
Filing Date
2023-08-21
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

In the existing vehicle-mounted backup device, the consumption of the power storage unit is difficult to suppress, resulting in low efficiency.

Method used

Design a backup power supply system, including a power storage unit and a control unit. The control unit controls power supply to the load according to the electrical characteristics of the main power supply, ensuring that when the main power supply is lower than a certain threshold, the first load is powered from the power storage unit, while the second load is still powered from the main power supply.

Benefits of technology

In this way, when the main power supply fails with respect to the first load but is sufficient to power the second load, consumption of the power storage unit can be suppressed and system efficiency can be improved.

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Abstract

The present disclosure addresses the problem of suppressing consumption of an electricity storage unit. A backup power supply system (1) is provided with a power storage unit (2) and a control unit (3). The power storage unit (2) supplies power to the load (4) on the basis of the electrical characteristics of a main power source (5) that supplies power to the load (4). The control unit (3) controls the supply of power from the main power source (5) and the power storage unit (2) to the load (4). The load (4) includes a first load (41) and a second load (42). When the electrical characteristic of the main power source (5) is equal to or greater than a first threshold value (Vth1), the control unit (3) performs control so that the first load (41) and the second load (42) are supplied with power from the main power source (5). When the electrical characteristic of the main power source (5) is less than a first threshold value (Vth1), the control unit (3) causes the second load (42) to supply power from the main power source (5) and the first load (42) to supply power from the main power source (5).
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