Multi-module weighing system temperature control
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Solution Overview
Problem
Multi-module weighing systems face challenges in maintaining uniform operating temperatures, leading to reproducibility and repeatability issues due to temperature distribution among closely spaced modules and ambient temperature fluctuations, which affect weighing results.
Innovation Solution
A temperature control system is implemented in a multi-module weighing system, using a control-and-regulation unit connected to temperature sensors and a temperature control device, which measures ambient and module temperatures to adjust heating and cooling power, ensuring uniform operating temperatures across all modules.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If weighing modules are arranged closely in a multi-module system, then space utilization is improved, but temperature distribution becomes non-uniform affecting weighing reproducibility
Solution Approach 1:
The patent applies local quality by providing individual temperature control for each weighing module through separate temperature control devices. Each module can maintain its own optimal temperature independently, allowing close spatial arrangement while ensuring uniform temperature distribution across all modules, thus preserving weighing reproducibility despite high density arrangement.
Solution Approach 2:
The patent implements parameter changes by actively regulating the temperature of each weighing module using temperature control devices that adjust heating or cooling based on measured temperature values. This dynamic parameter adjustment ensures that despite close proximity and mutual thermal influence, each module maintains a stable and uniform operating temperature, thereby ensuring consistent weighing results.
2Device complexity
If weighing modules are spaced closely together, then system compactness is improved, but temperature fluctuations affect zero-load indication and weighing parameters
Solution Approach 1:
The patent employs feedback control by using temperature sensors to continuously measure the temperature of each weighing module and feeding this information back to temperature control devices. Based on this feedback, the control devices adjust their operation to maintain stable temperatures, compensating for ambient temperature fluctuations and mutual thermal effects, thus ensuring stable zero-load indication and reliable weighing parameters in a compact configuration.
Solution Approach 2:
The patent applies segmentation by dividing the temperature control system into independent units, with each weighing module having its own temperature sensor and temperature control device. This segmented approach allows each module to be controlled independently, maintaining thermal stability and reliable zero-load indication even when modules are closely spaced together in a compact system.
3Loss of time
If ambient temperature fluctuates, then adaptation time is reduced, but weighing quality consistency deteriorates
Solution Approach 1:
The patent implements preliminary action by having temperature control devices continuously active and ready to compensate for ambient temperature fluctuations. Rather than waiting for the system to adapt to temperature changes, the control devices proactively adjust the temperature of each weighing module to maintain stable operating conditions, thus maintaining weighing quality consistency without requiring long adaptation periods.
Solution Approach 2:
The patent ensures continuity of useful action by maintaining continuous temperature control and monitoring of each weighing module. The temperature control devices operate continuously to counteract ambient temperature fluctuations, and temperature sensors continuously monitor conditions. This continuous active control eliminates the need for long adaptation periods while maintaining consistent weighing quality throughout operation.
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
This solution stabilizes the temperature of individual weighing modules, improving the reproducibility and repeatability of measurements by compensating for temperature fluctuations, maintaining consistent quality of weighing results.
Implementation Method 1
a device 36 in thermal connection with the weighing module 22
Implementation Method 2
The weighing results as well as the reproducibility of an electronic balance or a weighing module are also influenced by the temperature of the weighing module
Data Source
AI summary
Multi-module weighing system with a holding structure serving to receive a plurality of weighing modules which are rigidly connected to each other in a given spatial arrangement and are operable independently of each other, wherein each weighing module comprises at least one load receiver, wherein the multi-module weighing system is connected to a temperature control device which is in thermal connection with each of the weighing modules.