JP6050814B2 - 集合電池用断熱容器、集合電池用制御装置及び集合電池用故障検出方法 - Google Patents
集合電池用断熱容器、集合電池用制御装置及び集合電池用故障検出方法 Download PDFInfo
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- 238000009529 body temperature measurement Methods 0.000 description 6
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 208000032953 Device battery issue Diseases 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
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- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
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- 238000003487 electrochemical reaction Methods 0.000 description 1
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- 239000003365 glass fiber Substances 0.000 description 1
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Description
VL=Vo×n−Id×R×Kt …(1)
により求め、電圧計測部110により計測された作動電圧Vとの比較を行う。ここで、Voは陰極のナトリウムが欠乏する直前の単電池26の開路電圧を指し、概ね1.82Vであり、nは、ブロック30に含まれる単電池26の数である。そして、下記関係式(2)式が成立すると放電完了(放電末)と判断し、単電池26の放電を終了させるための信号を生成して出力する。
VL>V …(2)
VH=(VI+α)×n−Ic×R …(3)
により求め、電圧計測部110により計測された作動電圧Vとの比較を行う。ここで、VIは充電末の単電池26の開路電圧を指し概ね2.075Vであり、nは、ブロック30に含まれる単電池26の数である。また、αは充電末に発生する分極抵抗分を示し、概ね0.05〜0.15Vである。すなわち、充電カットオフ電圧VHは、NaS電池として理論上の充電末開路電圧に分極分を見込んだ電圧を示す。
VH<V …(4)
関係式(a):ΔR1>Δr1
関係式(b):ΔR2>Δr2
関係式(c):ΔR>Δrth
Claims (9)
- 上面が開放され、複数の単電池(26)を直列乃至並列に接続してなる集合電池(28)が収容される箱体(12)と、
前記箱体(12)の上面側に載置される蓋体(14)とを備え、
前記箱体(12)と前記蓋体(14)とによって形成され、前記集合電池(28)が収容される内部空間(24)と、外部空間とを、断熱させるための集合電池用断熱容器であって、
前記箱体(12)の底部に、前記集合電池(28)からの活物質の漏洩を検出するための回路部材(36)を有し、
前記回路部材(36)は、
ヒータ線(44)とは別に配線された少なくとも1つの導線と、
前記ヒータ線(44)上に積層され、前記導線が載置される第1絶縁層(50a)と、
前記導線上に積層された第2絶縁層(50b)とを有し、
前記第2絶縁層(50b)は、前記集合電池(28)が収容された前記内部空間(24)から前記導線にかけて貫通する複数の孔(58b)を有することを特徴とする集合電池用断熱容器。 - 請求項1記載の集合電池用断熱容器において、
前記導線は、
少なくとも前記集合電池(28)を前記箱体(12)の底部に投影した図形全体にわたって張り巡らされていることを特徴とする集合電池用断熱容器。 - 請求項2記載の集合電池用断熱容器において、
前記導線は、くし歯状に張り巡らされて配線されていることを特徴とする集合電池用断熱容器。 - 請求項3記載の集合電池用断熱容器において、
前記回路部材(36)は、共にくし歯状に張り巡らされて配線された第1導線(52A)及び第2導線(52B)を有し、
前記第1導線(52A)の隣接するくし歯(56a)の間に、前記第2導線(52B)のくし歯(56b)が位置するように配線されていることを特徴とする集合電池用断熱容器。 - 請求項3記載の集合電池用断熱容器において、
前記回路部材(36)は、共にくし歯状に張り巡らされて配線された第1導線(52A)及び第2導線(52B)を有し、
前記第1導線(52A)のくし歯(56a)の方向と前記第2導線(52B)のくし歯(56b)の方向とが異なっていることを特徴とする集合電池用断熱容器。 - 請求項4又は5記載の集合電池用断熱容器において、
前記回路部材(36)は、
前記ヒータ線(44)上に積層され、前記第1導線(52A)が載置される第1絶縁層(50a)と、
前記第1導線(52A)上に積層され、前記第2導線(52B)が載置される第2絶縁層(50b)と、
前記第2導線(52B)上に積層された第3絶縁層(50c)とを有し、
前記第3絶縁層(50c)は、前記集合電池(28)が収容された前記内部空間(24)から前記第2導線(52B)にかけて貫通する複数の孔(58a)を有し、
前記第2絶縁層(50b)は、前記第2導線(52B)から前記第1導線(52A)にかけて貫通する複数の孔(58b)を有することを特徴とする集合電池用断熱容器。 - 内部にヒータ線(44)を有する集合電池用断熱容器(10)に収容され、複数の単電池(26)を直列乃至並列に接続してなる集合電池(28)の集合電池用制御装置であって、
前記集合電池(28)からの活物質の漏洩を検出する活物質漏洩検出部(120)を有し、
前記集合電池用断熱容器(10)は、
前記ヒータ線(44)とは別に配線された少なくとも1つの導線と、
前記ヒータ線(44)上に積層され、前記導線が載置される第1絶縁層(50a)と、
前記導線上に積層された第2絶縁層(50b)とを有し、
前記第2絶縁層(50b)は、前記集合電池(28)が収容された内部空間(24)から前記導線にかけて貫通する複数の孔(58b)を有し、
前記活物質漏洩検出部(120)は、
前記導線の抵抗値を計測する抵抗計測部(146)と、
前記抵抗計測部(146)にて計測した抵抗値に変化があった場合に、前記集合電池(28)から活物質の漏洩があったことを示す漏洩検知信号を出力する漏洩判別部(148)と、を有することを特徴とする集合電池用制御装置。 - 請求項7記載の集合電池用制御装置において、
前記集合電池用断熱容器(10)内に、前記ヒータ線(44)とは別に配線された第1導線(52A)及び第2導線(52B)を有し、
前記抵抗計測部(146)は、前記第1導線(52A)及び前記第2導線(52B)の各抵抗値を計測し、
前記漏洩判別部(148)は、前記第1導線(52A)の抵抗値、前記第2導線(52B)の抵抗値、前記第1導線(52A)の抵抗値と前記第2導線(52B)の抵抗値との差分のうち、いずれか1つ以上に変化があった場合に、前記漏洩検知信号を出力することを特徴とする集合電池用制御装置。 - 内部にヒータ線(44)を有する集合電池用断熱容器(10)に収容され、複数の単電池(26)を直列乃至並列に接続してなる集合電池(28)の故障を検出する集合電池用故障検出方法であって、
前記集合電池用断熱容器(10)は、
内部に前記ヒータ線(44)とは別に配線された少なくとも1つの導線と、
前記ヒータ線(44)とは別に配線された少なくとも1つの導線と、
前記ヒータ線(44)上に積層され、前記導線が載置される第1絶縁層(50a)と、
前記導線上に積層された第2絶縁層(50b)とを有し、
前記第2絶縁層(50b)は、前記集合電池(28)が収容された内部空間(24)から前記導線にかけて貫通する複数の孔(58b)を有し、
前記導線の抵抗値を計測する第1ステップと、
計測した抵抗値に変化があった場合に、前記集合電池(28)から活物質の漏洩故障があったことを示す信号を出力する第2ステップと、を有することを特徴とする集合電池用故障検出方法。
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