Diverter Valve Drive Mechanism With Compact High-Torque Gear Train
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Solution Overview
Problem
Conventional diverter valve drive mechanisms are oversized and heavy due to the use of large motors and linkages, making them space-consuming and difficult to implement, especially when controlling fluid flow in pipelines.
Innovation Solution
A diverter valve drive mechanism utilizing a brushless motor driven by a Bluetooth module for remote operation, combined with a gear set and hand wheel control, to minimize volume while maintaining high torque output.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If large motors and large linkages are used to overcome fluid resistance, then sufficient torque is achieved, but the overall volume and weight of the control mechanism increase significantly
Solution Approach 1:
The patent replaces the conventional large motor and linkage mechanical system with a brushless motor combined with a planetary gear set. This substitution allows the use of a smaller motor (0.12-0.37 horsepower) paired with a high-ratio planetary gear reduction mechanism to achieve the required torque output, thereby reducing the overall volume and weight of the drive mechanism while maintaining sufficient torque to overcome fluid resistance in the diverter valve application
Solution Approach 2:
The patent changes the torque delivery parameters by introducing a planetary gear set with a reduction ratio of 10:1 to 50:1. This parameter change allows the motor to operate at higher speeds with lower torque output, while the gear reduction mechanism transforms this into the high torque, lower speed output required by the diverter valve, effectively decoupling the motor size from the required output torque
2Force
If large motors and large linkages are used to overcome fluid resistance, then sufficient torque is achieved, but the overall weight becomes too difficult to implement
Solution Approach 1:
The patent replaces the conventional large motor and linkage mechanical system with a brushless motor combined with a planetary gear set. This substitution allows the use of a smaller motor (0.12-0.37 horsepower) paired with a high-ratio planetary gear reduction mechanism to achieve the required torque output, thereby reducing the overall volume and weight of the drive mechanism while maintaining sufficient torque to overcome fluid resistance in the diverter valve application
Solution Approach 2:
The patent changes the torque delivery parameters by introducing a planetary gear set with a reduction ratio of 10:1 to 50:1. This parameter change allows the motor to operate at higher speeds with lower torque output, while the gear reduction mechanism transforms this into the high torque, lower speed output required by the diverter valve, effectively decoupling the motor size from the required output torque
3Force
If conventional drive mechanisms are used, then sufficient torque is achieved, but the device complexity and space requirements increase
Solution Approach 1:
The patent merges the motor, planetary gear set, and brake mechanism into a single integrated drive assembly. The brake mechanism is designed to work in conjunction with the planetary gear set, where the brake drum and planetary gear components share space and functional responsibilities. This merging reduces the number of separate components and simplifies the overall control mechanism while maintaining the required torque output capability
Solution Approach 2:
The patent employs a nested arrangement where the planetary gear set is positioned within the brake assembly structure. The sun gear, planet gears, and ring gear are arranged concentrically around the motor shaft, and the brake drum is integrated with the planetary gear housing. This nesting arrangement minimizes the radial and axial dimensions of the drive mechanism, reducing space requirements while maintaining all necessary functions
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution reduces the overall size and weight of the diverter valve drive mechanism while maintaining sufficient torque for fluid flow control, enabling efficient and remote operation.
Implementation Method 1
a brushless motor is used as a power source
Implementation Method 2
a gear set and a hand wheel control
Data Source
AI summary
A diverter valve drive mechanism is provided with a valve body and a driving main body, wherein a valve piece is arranged inside the valve body, and by adjusting the rotation angle of the valve piece, the fluid flow through the valve body can be controlled, and the valve piece is controlled Driven by the drive main body connected to the valve body; the drive main body is provided with a driving assembly, the driving assembly is composed of a motor, a plurality of gear sets and a hand wheel, and the rotation angle of the valve piece can be controlled by a motor Adjusted or adjusted via hand wheel control, the driving assembly is provided with a Bluetooth module that allows the motor to be controlled and driven via the remote.