NON-CONTACT POWER SUPPLY DEVICE

• Main Authors: STEFFEN WERNER, IWAMIYA HIROKI, MIYAKE EIJI, HIGASHIYAMA KOJI
• Format: Patent
• Language: English; Japanese
• Published: 05.11.2015
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

PROBLEM TO BE SOLVED: To provide a high-efficiency non-contact power supply device that can detect metal foreign matters with high precision.SOLUTION: A non-contact power supply device 11 has a first coil 13, a second coil 15 disposed above the first coil 13 so as to confront the first coil 13, a thermal conductor 17 formed on the upper surface of the first coil 13, a first non-contact temperature detector 19 as a non-contact temperature detector which is disposed at at least one end portion of the first coil 13 or the second coil 15 and detects the temperature T of the thermal conductor 17, and a power controller 21 that is electrically connected to the first coil 13, the second coil 15 and the first non-contact temperature detector 19. When the temperature T detected by the first non-contact temperature detector 19 exceeds a prescribed temperature Tk during execution of power transmission between the first coil 13 and the second coil 15, the power controller 21 determines that a metal foreign material exists in the first coil 13. 【課題】金属異物を高精度に検知できる高効率な非接触給電装置の提供。【解決手段】非接触給電装置１１は、第１コイル１３と、第１コイル１３の上側に対向して配される第２コイル１５と、第１コイル１３の上面に形成される熱伝導体１７と、第１コイル１３、または第２コイル１５の少なくとも一方の端部に配され、熱伝導体１７の温度Ｔを検出する非接触温度検出器である、第１非接触温度検出器１９と、第１コイル１３、第２コイル１５、および第１非接触温度検出器１９と電気的に接続される電力制御部２１と、を備える。そして、電力制御部２１は、第１コイル１３と第２コイル１５との間で電力伝送を行っている際に、第１非接触温度検出器１９で検出される温度Ｔが既定温度Ｔｋを超えれば、第１コイル１３に金属異物が存在すると判断する。【選択図】図１