Magnetic Stirrer Mounting Feet for Integrated Weight Measurement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing magnetic stirrers with integrated weighing devices face challenges in precise weighing and assembly due to internal placement of weighing components, leading to complex and costly repairs, and lack of flexibility in supporting feet which can result in uneven surfaces.
Innovation Solution
The magnetic stirrer features flexibly mounted and adjustable feet connected to a weighing device with force-measuring sensors, allowing for precise detection of weight changes during stirring and vessel placement, and an optional detachable operating unit for remote control and display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If weighing components are placed inside the housing, then the magnetic stirrer can determine weight changes during stirring, but assembly becomes complex and repairs become costly
Solution Approach 1:
The weighing device is extracted from the internal housing structure and relocated to the external mounting feet. This allows the weighing components (sensors, measurement elements) to be accessible from outside the housing, enabling easy inspection, calibration, and repair without disassembling the entire device, while still achieving accurate weight measurements through the feet's contact with the surface.
Solution Approach 2:
The mounting feet serve as an intermediary element between the housing and the weighing device. The feet are equipped with flexible or movable mounting mechanisms that can interact with the weighing device externally, allowing weight measurements to be transmitted through the feet while keeping the weighing components accessible for maintenance.
2Measurement precision
If mounting feet are made flexible or movable for weighing function, then weight changes can be detected, but stability on uneven surfaces may be compromised
Solution Approach 1:
The mounting feet are designed with flexible or movable characteristics that allow them to adapt dynamically to uneven surfaces. This flexibility enables the feet to make contact with the surface while still transmitting weight information to the weighing device, maintaining both measurement precision and stability on varying surfaces.
Solution Approach 2:
The mounting feet can change their physical parameters (flexibility, movability) to optimize performance. By adjusting the degree of flexibility or movement, the system can maintain stable contact with uneven surfaces while still enabling accurate weight measurements through the weighing device integration.
3Measurement precision
If weighing device is integrated into the housing, then weight monitoring is possible, but the structure becomes complex and expensive
Solution Approach 1:
The weighing device is extracted from the complex internal housing structure and placed on the external mounting feet. This simplifies the overall device architecture by separating the weighing function from the housing, reducing internal complexity while maintaining weight monitoring capability through the feet's integration with the weighing device.
Solution Approach 2:
The mounting feet serve multiple functions: they provide structural support for the housing, enable positioning on surfaces, and simultaneously serve as the interface for the weighing device. This multi-functionality reduces the need for separate components, simplifying the overall device structure while maintaining weight monitoring capabilities.
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
Enables precise measurement and addition of mixing components, simplifies assembly, and improves stability while allowing remote operation, facilitating efficient and accurate mixing processes.
Implementation Method 1
all levers or rockers or end pieces that can be moved by the support feet are provided with force measuring sensors or measuring strips or piezo elements as components of a weighing device
Data Source
Figure 1~2
Figure 3
Figure 4
AI summary
A magnetic stirrer (1) has a housing (2) for accommodating a drive (3) and a holder or mounting plate (5) for a stirred vessel and a stirring magnet. A plurality of mounting feet (6) are provided for mounting the magnetic stirrer (1) on the base, which mounting feet are mounted in a movable or flexible manner and are connected to a weighing measuring device or sensors belonging to a weighing measuring device, with the result that the weight of the stirred material or else a change in weight can be determined at any time without complicated additional weighing operations.