2results about How to "Reflect clearly" patented technology

The utility model provides a moire instrument for measuring the warping degree of a lithium battery, and the moire instrument comprises a moire sheet which is horizontally disposed on the surface of the lithium battery; the moire sheet comprises a moire sheet film and optical glass, and the edge of the moire sheet film is adhered to the optical glass; the camera is arranged above the moire sheet and is used for shooting moire patterns formed on the moire sheet; the light source is arranged above the moire sheet and is used for emitting light to irradiate the moire sheet; the centers of the camera, the light source and the moire sheet are located on the same plane.

The utility model relates to a kind of welding spot detection devices for inverter welding processing, including welding tooling and detection piece, welding tooling fixedly arranged, for embedding the PCB board to be processed, and for welding treatment to the PCB board to be processed;Detection piece is installed below welding tooling, for detecting the back of the PCB board to be processed.The beneficial effects of the utility model are simple structure, reasonable design, and the operator can monitor the PCB back welding point state during welding process, avoid secondary detection, easy to operate, and low detection cost.