Data Acquisition Device With Polymer-Sealed Battery Housing
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Solution Overview
Problem
Existing data acquisition devices for monitoring tool motors are bulky due to the need for removable caps and sealing gaskets, which complicates design and production, and are not adequately water-resistant.
Innovation Solution
A data acquisition device with a non-removable polymeric layer sealing the battery compartment, eliminating the need for removable caps and gaskets, resulting in a more compact and robust design that is easier to manufacture and provides better water resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If removable caps and sealing gaskets are used to protect the battery compartment, then water resistance is achieved, but the device becomes bulky and complex
Solution Approach 1:
The sealing function is merged into the casing itself through an integrated polymeric layer that forms a monolithic structure. This eliminates the need for separate caps and gaskets, achieving water resistance while reducing structural complexity and device bulk
Solution Approach 2:
The sealing function is extracted from separate components (caps and gaskets) and integrated into the casing structure itself. The polymeric layer becomes an inherent part of the casing, removing the need for additional removable parts while maintaining water protection
2Reliability
If removable caps and sealing gaskets are used to protect the battery compartment, then water resistance is achieved, but the device becomes bulky
Solution Approach 1:
The sealing function is merged into the casing itself through an integrated polymeric layer that forms a monolithic structure. This eliminates the need for separate caps and gaskets, achieving water resistance while reducing structural complexity and device bulk
Solution Approach 2:
A thin polymeric layer is used to provide sealing functionality without adding significant bulk. The flexible nature of the polymeric material allows it to conform to the battery compartment opening while maintaining a compact overall device structure
3Ease of operation
If removable caps with sealing gaskets are used, then the battery can be removed, but the device requires complicated design and production
Solution Approach 1:
The sealing function is merged into the casing itself through an integrated polymeric layer that forms a monolithic structure. This eliminates the need for separate caps and gaskets, achieving water resistance while reducing structural complexity and device bulk
Solution Approach 2:
The battery compartment is segmented from the main casing body, allowing the battery to be accessed and replaced through a dedicated opening while the rest of the device maintains its sealed, integrated structure
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A data acquisition device (1,1') for monitoring an operating parameter of a tool (5) provided with a motor is described, said device comprising: an electronic assembly (10) provided with a sensor (15) configured to wirelessly monitor a variable indicative of the operational parameter of the tool (5), a power supply battery (35) which powers the electronic assembly (10), and a casing (55,55') defining a housing seat (60) of the electrical power supply battery (35) and which is provided with an opening (65) for inserting the electrical power supply battery (35) into the housing seat, wherein the opening (65) is sealed by a layer of polymeric material (100,105).