Power Source Controller Dummy Signal Battery Pack Responsiveness
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Solution Overview
Problem
The use of a power source controller between a battery pack and an electric working machine can decrease the responsiveness of the electric working machine due to added signal processing time, leading to longer response times and reduced usability.
Innovation Solution
A power source controller that transmits a dummy command signal to the battery pack upon connection, allowing it to determine the battery's dischargeable state without needing an inquiry process, thereby reducing processing time and maintaining responsiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a power source controller is used between battery pack and electric working machine, then additional functionality (communication function, connection adaptability) is provided, but signal processing time is added and responsiveness decreases
Solution Approach 1:
The power source controller performs a preliminary determination of battery pack connectability upon connection establishment, before any power supply commands are issued. This preliminary action stores the connectability status in advance, so when a power supply command is later received, the controller can immediately grant or reject it without additional inquiry processing time, thus resolving the contradiction between providing adaptive functionality and maintaining fast response
2Speed
If power supply command signal processing is performed in real-time, then responsiveness is maintained, but processing time increases and usability decreases
Solution Approach 1:
The system performs preliminary determination of battery pack connectability in advance and stores the result. When a power supply command is subsequently received, the controller immediately retrieves the pre-stored connectability status and makes a decision without performing new inquiry processes, thereby maintaining fast response speed while minimizing processing time
Solution Approach 2:
The power source controller creates a copy of the battery pack's connectability status by receiving and storing the determination result signal. This copied information is then used for rapid decision-making on power supply commands without needing to repeatedly query the battery pack, reducing processing time while maintaining accurate real-time status
Data Source
AI summary
One aspect of the present disclosure provides a power source controller including a first battery pack connector, a working machine connector, and a power supply control device. The first battery pack connector is configured to be coupled to a first battery pack including a rechargeable battery. The working machine connector is configured to be detachably coupled to an electric working machine driven by an electric power of the first battery pack. The power supply control device is configured to supply the electric power of the first battery pack to the electric working machine in response to fulfillment of a first condition. The power supply control device is configured to transmit a dummy command signal to the first battery pack in response to fulfillment of a second condition.