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Built-In Detection Device and Detection Method Thereof for Disposable Diapers:

U.S. Patent No. 10,624,796

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By: Karen McIntyre

Editor, Nonwovens Industry

Zhuodong Li, Chengdu, China; Xiaobo Wang, Chengdu, China; Zhongke Wang, Chengdu, China; Bo Lai, Chengdu, China; Hao Qu, Chengdu, China; and Shuai Wang, Chengdu, China.
Assigned to Chengdu Fanmi Technology Co., Ltd., Chengdu, China.

Filed: 3/5/18
Issued: 4/21/20

A built-in detection device for disposable diapers, comprising: a circuit substrate attached inside a diaper; and an alarm module placed outside the diaper; wherein the circuit substrate is provided with a core circuit region, a temperature sensor, a urine-wet sensor group and a bioelectrogenesis module; the core circuit region comprises a power management module, a data acquisition module and a wireless transmitting module; the data acquisition module is electrically connected to the power management module, the urine-wet sensor group, the wireless transmitting module and the temperature sensor, respectively; the power management module is electrically connected to the bioelectrogenesis module; and the wireless transmitting module is connected to the alarm module in wireless transmission; wherein, the bioelectrogenesis module comprises a positive electric conduction sheet and a negative electric conduction sheet attached to a middle portion of the circuit substrate; the positive electric conduction sheet and the negative electric conduction sheet are made of different materials; and the positive electric conduction sheet and the negative electric conduction sheet are arranged with a gap between the positive electric conduction sheet and the negative electric conduction sheet; wherein, the urine-wet sensor group further comprises a plurality of urine-wet sensing sheets uniformly distributed on a surface of the circuit substrate; the plurality of urine-wet sensing sheets and the positive electric conduction sheet of the bioelectrogenesis module are made of a same material; and each of the plurality of urine-wet sensing sheets is electrically connected to the data acquisition module.

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