Soft package button cell and electronic equipment
The utility model provides a soft package button cell, which aims to solve the problems that the existing button cell generates bottom noise and reduces the product quality due to the generation of an electromagnetic field. Comprising a roll core which comprises a first pole piece, a second pole pie...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides a soft package button cell, which aims to solve the problems that the existing button cell generates bottom noise and reduces the product quality due to the generation of an electromagnetic field. Comprising a roll core which comprises a first pole piece, a second pole piece and a diaphragm arranged between the first pole piece and the second pole piece; the first pole piece, the diaphragm and the second pole piece are stacked and then wound to form a roll core, one end of the second pole piece positioned on the periphery of the roll core is positioned on the outer side of the first pole piece, and the other end of the second pole piece positioned on the periphery of the roll core is reversely folded; a second tab is arranged at one end, positioned at the periphery of the roll core, of the second pole piece, a connecting line between the first tab and the center of the roll core is taken as a first datum line, a connecting line between the second tab and the center of the roll core |
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