Volume Flow Controller Interface for Direct Parameter Setting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing volume flow controllers for air conditioning and ventilation systems require complex external setups for adjusting control parameters, including separate potentiometers and control panels, making operation cumbersome.
Innovation Solution
Incorporation of a first switch for selecting control parameters and a second switch for setting their values, with rotary switches and scales for easy adjustment, along with a display for showing the current settings, simplifies the operation by integrating parameter selection and adjustment directly on the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate potentiometers and control panels are used for adjusting control parameters, then the device can accept multiple control parameters ( adaptability), but the operation becomes cumbersome and complex (ease of operation)
Solution Approach 1:
The patent combines multiple separate control elements (potentiometers for parameter selection and adjustment, control panel) into a single integrated control unit. The first rotary switch selects control parameters while the second rotary switch adjusts their values, all displayed on one device. This merging eliminates the need for external control panels and multiple separate potentiometers, reducing operational complexity while maintaining full control parameter acceptance capability
2Adaptability or versatility
If multiple separate control elements are provided for parameter adjustment, then various control parameters can be set (adaptability), but the device structure becomes complex (device complexity)
Solution Approach 1:
The control unit merges the functions of multiple separate control elements into a single integrated structure. The first rotary switch handles parameter selection and the second rotary switch handles value adjustment, with both controls and their displays housed together. This consolidation reduces the number of separate components and simplifies the overall device structure while maintaining the ability to set multiple control parameters
3Adaptability or versatility
If external control panels and separate potentiometers are used, then control functions can be separated (modularity), but the overall system operation becomes less intuitive (ease of operation)
Solution Approach 1:
The patent integrates parameter selection and adjustment functions into a single control unit with intuitive rotary switches. The first rotary switch selects which parameter to control, and the second rotary switch adjusts its value, with immediate visual feedback on the display. This integrated approach makes the interaction more intuitive than separated external controls, as all parameter control is available directly on the device in a logical sequence
Data Source
Figure 1~2
AI summary
The present invention relates to a volume flow controller, particularly for air conditioning and ventilation systems, for adjusting a control damper which is pivotably mounted inside a flow channel, wherein the volume flow controller comprises a differential pressure sensor for measuring a differential pressure prevailing in the flow channel, a control unit which adjusts the control damper as a function of the pressure measured by the pressure sensor to set a target volume flow in the flow channel, and means for setting control parameters, wherein the means comprise a first switch (7) for selecting one of several control parameters (8a-8e) and a second switch (9) for setting the value of the respective selected control parameter.