ELECTRIC STORAGE DEVICE, MANAGEMENT DEVICE, TEMPERATURE ESTIMATION METHOD OF ELECTRIC STORAGE ELEMENT, AND COMPUTER PROGRAM

• Main Authors: TOKIYASU KODAI, TAKAI SEIJI, UMEDA AKIHITO, MUKAIDA MITSUSHI, FUKUSHIMA ATSUSHI, MORITO SADAHARU
• Format: Patent
• Language: English; Japanese
• Published: 31.07.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; MEASURING; MEASURING QUANTITY OF HEAT; MEASURING TEMPERATURE; PHYSICS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; TESTING; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR

To provide an electric storage device, a management device, a temperature estimation method of an electric storage element, and a computer program.SOLUTION: An electric storage device includes: an electric storage element; a first temperature sensor for measuring the temperature of a portion on a circuit board or a first portion close to the inside of the electric storage element; a second temperature sensor for measuring ambient temperature of the circuit board or the temperature of a second portion farther away from the inside of the electric storage element than the first portion; and a calculation unit for estimating the temperature of the electric storage element on the basis of a temperature gradient between the temperatures measured by the first and second temperature sensors.SELECTED DRAWING: Figure 7 【課題】蓄電装置、管理装置、蓄電素子の温度推定方法、及びコンピュータプログラムの提供。【解決手段】蓄電装置は、蓄電素子と、前記回路基板上の部位又は前記蓄電素子の内部に近い第１部位の温度を計測する第１温度センサと、前記回路基板の周囲温度又は前記第１部位より前記蓄電素子の内部から離れた第２部位の温度を計測する第２温度センサと、前記第１温度センサにより計測される温度と、前記第２温度センサにより計測される温度との温度勾配に基づき、前記蓄電素子の温度を推定する演算装置とを備える。【選択図】図７