Dual-Mode Regulation Device for 0-10 Vdc and PWM Actuator Control
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Solution Overview
Problem
Existing solutions for regulating electric actuators in networks using 0-10 Vdc and/or PWM commands face challenges such as the need for stabilized and boosted command signals, lack of continuity in regulation, and inadequate emergency management, particularly when dealing with groups of devices or system failures.
Innovation Solution
A regulation device with a simple structure that can switch between manual and external regulation modes, featuring a potentiometer for adjustable 0-10 Vdc and/or PWM command generation, enabling manual or automatic operation, and providing an emergency bypass function to ensure continuous regulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a regulation device for electric actuators is designed with a simple structure, then ease of manufacture and installation is improved, but the ability to provide stabilized and boosted command signals for network management deteriorates
Solution Approach 1:
The regulation device is designed to perform multiple functions: it can operate as a simple manual potentiometer for single device control, or as a sophisticated signal booster and stabilizer for network management. The device includes a built-in amplifier that can boost weak 0-10V signals to standardized levels, and switching circuitry that enables it to function either as a master controller or a slave device in network configurations. This multi-functionality resolves the contradiction by integrating complex signal processing capabilities within a compact, easy-to-install unit.
2Ease of operation
If the device provides manual regulation through a potentiometer, then ease of operation is improved, but the extent of automation deteriorates
Solution Approach 1:
The regulation device incorporates dynamic switching capability that allows it to change its operational mode based on configuration. A switching element can configure the device to operate in manual mode where the potentiometer directly controls the output, or in automatic mode where external control signals are amplified and processed. This dynamic reconfigurability resolves the contradiction by enabling the same hardware to serve both manual and automated control needs without requiring separate devices.
3Adaptability or versatility
If the device is configured to work with external regulation devices, then adaptability is improved, but device complexity increases
Solution Approach 1:
The regulation device serves as an intermediary between external control devices and electric actuators. It includes buffer circuitry and signal conditioning components that isolate the external control device from the actuator, providing a standardized interface. The device can accept various external control signals, amplify them, and provide stable output to actuators, thereby simplifying the overall system architecture rather than increasing complexity. This intermediary function resolves the contradiction by providing a universal interface layer that adapts to different external devices without requiring complex integration for each specific device.
4Reliability
If the device provides emergency bypass functionality, then reliability is improved, but device complexity increases
Solution Approach 1:
The regulation device incorporates a bypass circuit that is pre-configured and ready to activate immediately upon detection of control signal failures. This preliminary arrangement of emergency pathways ensures that when failures occur, the system can automatically or manually switch to bypass mode without requiring complex real-time decision logic. The bypass functionality is integrated into the basic circuit architecture, allowing emergency operation with minimal additional complexity while significantly improving reliability and continuity of operation.
Data Source
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Figure 5A~5B
AI summary
A device (1) for the regulation of devices which can be regulated with a 0-10 Vdc and/or PWM command is herein disclosed, the device having at least one power supply input (3), at least one regulation input (4) adapted to receive external regulation signals, a potentiometer (6) comprising a selector element, the potentiometer (6) being configured to provide a manual voltage regulation, and at least one command output (7) configured to output a command signal towards the devices to be regulated. The device (1) further comprises a switching element (5) configured to cause a switching of said device (1) between a first regulation mode, in which the command signal is generated by said device (1) and is manually adjustable through the selector element of said potentiometer (6), and a second regulation mode, which allows a regulation of the devices to be regulated via the command signal from the command output (7) based on an external device connectable to the regulation input (4). A system (100) comprising the above device (1) is also disclosed.