Torque Sensor Power Supply Circuit with Voltage Switching
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Solution Overview
Problem
The management of power supply circuits for torque sensors is complicated due to the need for multiple types of sensor power supply circuits, each requiring different operation voltages, leading to increased complexity and redundancy in circuit design.
Innovation Solution
A power supply circuit with a voltage application unit and a switching unit that adjusts the standard voltage based on the type of sensor, allowing for the application of appropriate operation voltages to torque sensors, reducing the number of required power supply circuits and simplifying management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple types of sensor power supply circuits are prepared for different torque sensors requiring different operation voltages, then each sensor type can receive its required voltage, but the management of the power supply circuit becomes complicated
Solution Approach 1:
The power supply circuit is designed with a switching unit that can select between multiple standard voltages (e.g., 3.3V, 5V, 12V), allowing a single circuit to serve multiple sensor types with different voltage requirements. This multi-functional design eliminates the need for separate power supply circuits for each sensor type, thereby reducing management complexity while maintaining compatibility with diverse sensors.
Solution Approach 2:
The switching unit dynamically selects the appropriate standard voltage based on the connected sensor type. By making the voltage selection adjustable rather than fixed, the circuit can adapt to different sensor requirements without requiring physical reconfiguration or multiple dedicated circuits, thus simplifying overall system management.
2Reliability
If multiple types of sensor power supply circuits are prepared for different operation voltages, then appropriate voltage can be supplied to each sensor type, but the number of power supply circuits increases
Solution Approach 1:
Multiple voltage output functions are merged into a single power supply circuit through the switching unit. Instead of having separate power supply circuits for 3.3V, 5V, and 12V sensors, the switching unit consolidates these functions, allowing one circuit to provide multiple voltage levels as needed, thereby reducing the total number of power supply circuits while ensuring each sensor receives its required voltage.
3Device complexity
If a single power supply circuit is used for all sensor types, then the number of circuits is reduced, but different operation voltages cannot be provided to different sensor types
Solution Approach 1:
The power supply circuit changes its output voltage parameter dynamically based on the connected sensor type. The switching unit enables the circuit to switch between different standard voltage levels (3.3V, 5V, 12V), allowing a single circuit to maintain voltage compatibility with various sensor types by adjusting its output parameter rather than requiring multiple fixed-voltage circuits.
Data Source
AI summary
Provided are a power supply circuit and a motor control device configured to suppress complexity in management of the power supply circuit. A switching unit acquires identification information that is information corresponding to a type of a torque sensor. Based on the acquired identification information, the switching unit outputs either a reference voltage or a power supply voltage as a standard voltage. A voltage application unit applies to the torque sensor an operation voltage in accordance with a type of the torque sensor based on the power supply voltage or the reference voltage that is the standard voltage of the voltage application unit and that is applied by the switching unit.