Weld Cable Communication for Trigger Signaling Without Control Wires
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Solution Overview
Problem
Traditional welding systems face issues with fragile control cables that can be damaged during overhead welding operations, leading to downtime and inefficient communication between components, especially when welding in positions other than horizontal surfaces.
Innovation Solution
The implementation of transceivers coupled to the weld cable via mechanical clamps, which enable communication of control signals and sensor information between the welding torch and wire feeder, eliminating the need for separate control wires by using the weld cable for both power and data transmission, and incorporating sensors to detect trigger status and operational parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate control cables are used to communicate between welding components, then communication functionality is achieved, but cable fragility and damage risk increase
Solution Approach 1:
The patent combines power transmission and data communication functions into a single weld cable. The transceiver system enables bidirectional communication between the welding power source and wire feeder through the existing weld cable, eliminating the need for separate control cables. This merging of functions reduces cable quantity and complexity while improving reliability by removing vulnerable control cable connections.
Solution Approach 2:
The weld cable is given dual functionality: it serves both as a power transmission medium and as a communication channel. The transceiver system allows the cable to carry both high-current welding power and low-voltage control signals simultaneously, making the cable system universal and reducing the need for additional specialized control cabling.
2Productivity
If fragile control cables are used for communication, then communication between components is established, but downtime increases due to cable damage
Solution Approach 1:
By merging communication and power functions into one robust weld cable, the system eliminates separate control cables that are prone to damage. The transceiver system enables reliable data transmission through the power cable infrastructure already present in overhead welding setups, preventing communication failures and associated downtime.
Solution Approach 2:
Rather than using expensive, fragile control cables that require replacement when damaged, the system uses the existing robust weld cable infrastructure for communication. This approach avoids the cycle of control cable damage and replacement, maintaining continuous productivity.
3Adaptability or versatility
If overhead welding position is used, then welding versatility is improved, but control cable damage risk increases
Solution Approach 1:
The system merges communication and power functions into the single weld cable, which is inherently more durable and better suited for overhead welding positions. The transceiver system allows communication signals to be transmitted through the power cable that is already designed to handle the mechanical stresses of overhead positioning, eliminating the vulnerability of separate control cables.
4Reliability
If wireless communication is used between welding components, then cable damage is eliminated, but system complexity and cost increase
Solution Approach 1:
The transceiver system acts as an intermediary that enables communication through the existing weld cable infrastructure. Rather than introducing completely new wireless technology, the system uses the cable already present in the welding setup as the communication medium, reducing complexity while achieving reliable communication.
Data Source
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AI summary
A welding system (10) having a weld torch (16), a first transmitting circuit, and a first receiving circuit is provided. The weld torch is coupled to a weld cable and is configured for a welding application. The first transmitting circuit includes a first processor and a sensor system with at least one sensor configured to detect sensor information related to the weld torch. The first processor transmits one or more control signals based on the received sensor information. The first receiving circuit includes communications circuitry and a second processor that receives the one or more control signals and generates information related to a trigger status based on the one or more control signals. The communications circuitry transmits the information to the wire feeder (14), and the wire feeder controls an operating parameter of the welding system based at least in part on the information related to the trigger status.