Joining quality diagnosis device of panel element
US10254251B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 12, 2016 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Jul 21, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/2672
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for evaluating quality of welding spots of a panel is disclosed. The device includes a vibration transferring member, a first access member contacted with one surface of one end portion of the vibration transferring member and with the one surface of the panel, a second access member contacted with one surface of the other end portion of the vibration transferring member and with the one surface of the panel, an oscillator for supplying vibration to the one end portion of the vibration transferring member, a sensor disposed on the vibration transferring member to detect characteristic of vibration transferred along the vibration transferring member, and a computing device for analyzing characteristic of the welding spots using characteristic of vibration detected in the sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.