2results about How to "Maintain geometry" patented technology

The utility model belongs to optical communication accessory manufacturing technical field especially relates to a mould for producing open type empty pipe. A mould for producing open type empty pipe, including inner mould and be used for defining the outer contour of empty pipe outer mould, the outer mould with the inner mould cooperation to form the mould cavity for extruding the empty pipe, the outer mould has a along material extrusion direction extension's shaped piece, the shaped piece is used in the empty pipe from the mould extrusion after to the cooling before setting, to the open contour of empty pipe carries out the physical support and maintains, to prevent the empty pipe because material shrinkage leads to its open close.

This application relates to a method, apparatus, device, storage medium, and program product for detecting the liquid level of a battery cell. The method includes: performing detail-oriented filtering on an internal perspective image of a target battery cell using a first filtering window to obtain a cell detail-enhanced image; performing structure-oriented filtering on the internal perspective image of the battery cell using a second filtering window to obtain a cell structure-enhanced image; the window size of the first filtering window is smaller than the window size of the second filtering window; fusing the cell detail-enhanced image and the cell structure-enhanced image to obtain a target enhanced image; and performing liquid level detection on the target battery cell based on the target enhanced image to obtain a cell liquid level detection result. This method can improve the accuracy of battery cell liquid level detection.