Vibration Transducer Coil With Frictional Screw Connection
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Solution Overview
Problem
Conventional vibration-type transducers face challenges in connecting coil wires and leads due to small assembly distances, requiring skilled handling and increasing the risk of damaging the coil during soldering, especially in transducers with small nominal diameters or measuring tubes.
Innovation Solution
A coil design featuring a metallic base body with a through-opening and a coil carrier made of plastic, ceramic, or metal, where connecting lines are fixed using a screw that transmits axial clamping force, creating a frictional connection within an intermediate space to secure the coil wires and leads, enhancing mechanical strength and simplifying assembly by allowing connections to be made outside the installation position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If connecting lines are soldered to the coil in the installed position, then the coil assembly is compact, but the risk of damaging the coil increases and assembly requires skilled handling
Solution Approach 1:
The invention divides the connection process into two separate stages: first, the connecting lines are connected to the coil wire in a separate, accessible location where proper soldering can be performed without risk of damage; second, the completed coil assembly with pre-connected lines is installed in the transducer. This segmentation eliminates the risk of damaging the coil during installation while maintaining compact final assembly.
Solution Approach 2:
The connecting lines are connected to the coil wire before the coil is installed in the transducer. This preliminary connection action is performed in a convenient, accessible location where proper soldering tools and techniques can be applied without the constraints of the installed position, thereby reducing damage risk while achieving compact final assembly.
2Productivity
If connecting lines are soldered to the coil in the installed position, then the assembly is complete in one step, but the complexity of skilled handling increases
Solution Approach 1:
The invention segments the assembly process into two independent tasks: (1) connecting the connecting lines to the coil wire in a separate, easily accessible location that does not require specialized skills, and (2) installing the completed coil assembly into the transducer. This segmentation eliminates the need for skilled handling during installation while maintaining overall assembly efficiency.
Solution Approach 2:
The connection between connecting lines and coil wire is performed as a preliminary action before installation. This allows the connection work to be done in a convenient location with proper equipment, reducing the skill requirement, while the subsequent installation step becomes a simple mechanical assembly that can be performed quickly without specialized skills.
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 design strengthens the coil assembly, reduces the risk of damage during connection, and simplifies the assembly process by enabling connections to be made in a more accessible location, reducing the complexity of soldering and potential damage to the coil.
Implementation Method 1
a frictional connection is formed within the gap, by means of which a first connecting line which is at least one electrically conductively connected to a first end of the coil wire and a second connecting line which is at least one electrically conductively connected to a second end of the coil wire are fixed
Data Source
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AI summary
The coil (1) comprises a platform (11) having a passageway (11A; 11A) extending from an end (11+) of the platform formed by a first end face to an end (11#) of the platform distal to the end (11+) and formed by a second end face, and a coil support (12) having a passageway (12A) extending from an end (12+) of the coil support formed by a first end face to an end (12#) of the coil support distal to the first end and formed by a second end face. The coil support (12) is so arranged relative to the platform (11) that the second end face of the coil support faces the platform and an intermediate space (20) is formed between the second end face of the coil support and the first end face of the platform, and that the passageway (12A) of the coil support aligns with the passageway (11A) of the platform. The coil (1) additionally comprises a screw (13) accommodated both by the passageway of the coil support as well as also by the passageway of the platform for the mechanical connecting of coil support and platform, a coil wire (14) of an electrically conductive material wound around the coil support, as well as at least two connecting lines (111, 112), in each case, placed partially in the intermediate space formed between coil support and platform, of which connecting lines a connecting line (111) has at least one conductor (111A) of electrically conductive material electrically conductively connected with an end (14+) of the coil wire and a connecting line (112) has at least one conductor (112A) of electrically conductive material electrically conductively connected with an end (14#) of the coil wire. The coil is provided especially also for application in a measuring transducer of vibration-type.