Temperature difference type thermoelectric underground power supply

• Main Authors: WANG ZHIQIANG, LIANG PENG, XU CHAOYANG, LI FENG, ZHANG SUOSHENG, GUO JINGSONG, GAO TINGZHENG, XUE QIANG, HU XIUFENG
• Format: Patent
• Language: Chinese; English
• Published: 16.07.2019
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention discloses a temperature difference type thermoelectric underground power supply. The temperature difference type thermoelectric underground power supply comprises a temperature difference type thermoelectric conversion sheet, an annulus temperature sensor, a drill rod temperature sensor, a rechargeable energy storage device, a voltage stabilizing circuit module and a control module,wherein the temperature difference type thermoelectric conversion sheet is connected with the rechargeable energy storage device through the voltage stabilizing circuit module; and the control modulecontrols connection and disconnection between the temperature difference type thermoelectric conversion sheet and the voltage stabilizing circuit module according to temperature data measured by the annulus temperature sensor and the drill rod temperature sensor. A temperature difference in an annulus and a drill rod is utilized, and the temperature difference type thermoelectric conversion sheetis adopted to provide elect