CONTROL METHOD OF COOLING FAN FOR STORAGE BATTERY

To provide a control method of a cooling fan for a storage battery, capable of maximizing heat dissipation power from a storage battery cell by effectively controlling the drive of a cooling fan in a storage battery housing box with a sealed structure.SOLUTION: A storage battery system includes: a s...

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Hauptverfasser:	TAGUCHI YOSHITERU, OGASA MASAMICHI, HATANAKA HIROFUMI, KASHIMURA TOSHIHIKO, KADOWAKI SATOSHI, KANEKO TAKASHI, HATADA KENJI, NAGAURA YASUHIRO, YOSHIKAWA TAKESHI, IKEDA IKUYA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BASIC ELECTRIC ELEMENTS ELECTRICITY INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	To provide a control method of a cooling fan for a storage battery, capable of maximizing heat dissipation power from a storage battery cell by effectively controlling the drive of a cooling fan in a storage battery housing box with a sealed structure.SOLUTION: A storage battery system includes: a storage battery; a storage battery housing box that houses the storage battery therein and also has a dustproof function; and a cooling fan that stirs inside air in the storage battery housing box. A control method of the cooling fan includes: a step of building a thermal circuit model for heat dissipation of the storage battery; a step of acquiring the temperature of the storage battery; a step of acquiring the temperature outside the storage battery housing box; a step of acquiring a temperature difference between the temperature of the storage battery and the temperature outside the storage battery housing box; and selecting a conduction ratio for the cooling fan, the heat dissipation power of the cooling fan being maximum or minimum according to the temperature difference.SELECTED DRAWING: Figure 4 【課題】密閉構造の蓄電池収納箱内の冷却ファンの駆動を効果的に制御することにより、蓄電池セルからの放熱パワーの最大化を図ることができる冷却ファンの制御方法を提供する。【解決手段】蓄電池と、該蓄電池を収納すると共に防塵機能を有する蓄電池収納箱と、該蓄電池収納箱内の内気を撹拌する冷却ファンを備えた蓄電池システムの前記冷却ファンの制御方法であって、前記蓄電池の放熱に関する熱回路モデルを構築する工程と、前記蓄電池の温度を取得する工程と、前記蓄電池収納箱外の温度を取得する工程と、前記蓄電池の温度及び前記蓄電池収納箱外の温度差を取得する工程と、前記温度差に応じて放熱パワーが最大又は最小となる前記冷却ファンへの通流率を選択することを特徴とする。【選択図】図４