電池組之斷線偵測器

專利類型

發明

專利國別 (專利申請國家)

中華民國

專利申請案號

108138318

專利證號

I 737022

專利獲證名稱

電池組之斷線偵測器

專利所屬機關 (申請機關)

國立中山大學

獲證日期

2021/08/21

技術說明

一種電池組之斷線偵測器包含一電池組、一濾波單元及一斷線偵測單元，該電池組具有複數個電池，該濾波單元具有複數個濾波電路，各該濾波電路電性連接各該電池之一正極輸出端，各該濾波電路輸出一濾波電壓，該斷線偵測單元具有複數個斷線偵測電路，各該斷線偵測電路電性連接該濾波單元，其中各該斷線偵測電路具有一第一電流源、一電晶體及一第二電流源，該第一電流源、該電晶體及該第二電流源相互電性連接，該電晶體接收該濾波電壓及一偏壓並受該濾波電壓控制，且各該斷線偵測電路輸出一偵測訊號。 Broken line detector of battery pack includes a battery pack, a filtering unit and a broken line detection unit. The battery pack comprises a plurality of batteries, the filtering unit comprises a plurality of filtering circuits, each of the filtering circuits is electrically connected to each of the batteries, and each of the filtering circuits outputs a filtering voltage. The broken line detection unit comprises a plurality of broken line detection circuits, and each of the broken line detection circuits is electrically connected to the filtering unit. Wherein the broken line detection circuit has a first current source, a transistor and a second current source. The first current source, the transistor and the second current source are electrically connected to each other. The transistor receives the filtering voltage and a bias voltage, and the transistor is controlled by the filter voltage, and each of the broken line detection circuits outputs a detection signal.

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