As of the device of a conventional challenges, there has been a problem that the estimation accuracy of the voided volume of second and subsequent decreases significantly in a way that integrates the amount of temperature change of diapers by the temperature detecting means one. There is a problem that estimation accuracy is further reduced path of the flow of urine varies greatly depending on the posture during urination especially. To that end, if you have the replacement of diapers based on the diaper urination amount of the above-mentioned conventional apparatus is notified, and Tari wanted after the leakage of urine occurs from the diaper already you can not come in time to replace yet When I open the diaper I was in need of improvement there is a problem. And the peak value calculation means for calculating the peak value of the temperature and the temperature sensor of the plurality are disposed on the outside of the [MEANS FOR SOLVING PROBLEMS] diapers, brackets These temperature sensors has detected temperature parentheses of the temperature sensor detects a reference temperature calculation means for the reference temperature by detecting the temperature of points But it starts to rise by defecation or urination, the reference temperature from the peak value of the temperature sensor for each of the generated each temperature sensor is sensitive to each time of defecation or urination it is arranged to calculate the voided volume and a weighted addition means for calculating a stool output or urination by weighted addition of the total peak value based on the result by subtracting the reference temperature of the temperature sensor for each calculation means has calculated.【課題】従来の装置のように、1個の温度検出手段でおむつの温度変化量を積分する方法では2回目以降の排尿量の推定精度が大幅に低下する問題があった。特に排尿時の姿勢によっては尿の流れる道筋が大きく変化するので更に推定精度が低下する問題があった。そのために、上記従来の装置が報知するおむつ内排尿量にもとづいておむつの交換作業をした場合、おむつを開いてみると未だ交換時期に来ていなかったり既におむつから尿漏れが発生した後だったりという問題があり改善を必要としていた。【解決手段】おむつの外側に配設された複数個の温度センサーと、これらの温度センサーの各個が検出した温度のピーク値を算出する
