電源

測電器(BB)

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  • 用途

    • 測量 1S ~ 8S 的鋰電池電壓
    • 若電壓太低,蜂鳴器會發出聲響警告,紅色 LED 也會亮起
  • 使用方法

    • 插於電池的 平衡充接頭
    • 測電器負極插入平衡充接頭的負極
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    注意事項
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    • 電池使用前就必須先插上測電器
    • 插上後,蜂鳴器會發出 BB 兩聲,面板上也會顯示電壓,沒響代表失敗,可能是腳位插錯
    • 面版依序顯示:總電壓 → 第一電芯電壓 → 第二電芯電壓 →

電池

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上圖為電池的示意圖,上方比較大條的線為電池正負極,下方小條的線則是測電器所需孔位

  • 規格

    • 電壓
      • 單位為
        V
        (伏特)
      • 電壓越高,轉速越快,但是太高可能導致馬達燒壞
      • 正常的鋰聚電池電壓不得低於
        2.7V
        且不得高於
        4.2V
        • 例:
          3S
          的鋰電池範圍約在
          8.1V12.6V
      • 過放:電池電壓過低
    • 容量
      • 電力的總量,單位為
        mAh
        (毫安培
        小時)或
        Ah
        (安培
        小時),數字越大電量越多,
        1Ah=1000mAh
    • 放電係數
      • 單位為
        1/h
        (1 / 小時)
      • 充放電時,電流大小與電池容量的比率
      • 將放電係數乘上容量可以得到最大持續放電電流
      • 實際運用時,仍需注意馬達的極限電流,超過馬達的電流值是不會被使用的
放電係數


放電係數亦稱為充放電率(C-rate),舉例來說,當一容量為 800 mA

hr 的電池,其放電電流為 100 mA ,則它的充電系數為 0.125 C (100 mA / 800 mAh),亦即需要 8 小時才可以充放電完畢

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↑ 上圖鋰電池規格 11.1V (三串/3S) 2200mAh 30C

  • 特性

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    • 鋰聚電池的電力耗損會隨著電壓越低越快,並在約
      2.7V
      時快速掉落
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      使用前先插上測電器,以便隨時注意電池狀態,用完才拔下
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      電池保養方式
      1. 避免直接日曬、潮濕、遠離高溫,選擇乾燥、陰涼處擺放
      2. 切勿充飽電存放超過 48 小時,充飽電的鋰聚電池因為內部化學反應相當活絡,所以當充飽電存放太久,鋰聚電池會自我老化,降低放電能力。最好的情況是保持鋰聚電池在 3.5~3.8V(單芯)時存放
      3. 一般而言,長時間不使用時,應將電池充至 70~80%進行存放。防止長時間的自然放電後,電壓低於 2.0 伏特,導致電池失效而不能使用

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      經常把鋰離子電池電量耗盡,比經常充放電的使用壽命至少縮短一半以上

      1. 嚴禁過放,使用中因為有負載,電壓會比靜止測量來的低,所以當負載停止後測量電壓是 2.8 以下時,那可能你的使用過程中已經造成了電池過放的現象,最保險的使用方式,是使用完後測量的電壓是 3.5V 以上

充電

  • 充電器

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↑ 上圖為鋰電池充電器示意圖

  • 端口

    • 黃色端口接電源的 正負極
    • 左右兩側的一排小針腳接 平衡充接頭
  • 操作

    以鋰電池規格 11.1V (三串/3S) 2200mAh 30C為例)

    • 1. 點擊熒幕左側的 CH ( Channel ) 選擇頻道
    • 2. 點擊熒幕右側的滾輪,選擇工作設定以
      3S
      LiPo
      充電
    • 3. 電池電壓選擇
      4.15V
      ( 略低於最大電壓 ),電流設定默認
      1A
    • 4. 先插電池 正負極, 再插 平衡充接頭
    • 5. 檢查完畢後點擊 開始

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    平衡充接頭的負極要接上充電器的負極

  • 充電器

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↑ 上圖為鋰電池充電器分壓板示意圖

  • 端口

    • 黃色端口接電源的 正負極
    • 左右兩側的一排小針腳接 平衡充接頭
  • 操作

    以鋰電池規格 11.1V (三串/3S) 2200mAh 30C為例)

    • 1. 點擊熒幕左側的 CH ( Channel ) 選擇頻道
    • 2. 點擊熒幕右側的滾輪,選擇工作設定以
      3S
      LiPo
      充電
    • 3. 電池電壓選擇
      4.15V
      ( 略低於最大電壓 ),電流設定默認
      1A
    • 4. 先插電池 正負極, 再插 平衡充接頭
    • 5. 檢查完畢後點擊 開始

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    分壓板上的電池必須為相同規格


電供

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↑ 上圖為電供示意圖

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↑ 上圖為電供正負極接線

  • 操作

    • 1. 電供接上電源後,點擊左下角黑色的開關 POWER
    • 2. 通過右上角的旋鈕 VOLTAGE 調節輸出電壓
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      按旋鈕可選擇調節的位數
    • 3. 將正負極夾在腳位後,按下 Output

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    使用前先檢查電路是否正確,小心電源短路