JP7323717B2 - 電気装置のホットスポット検出 - Google Patents
電気装置のホットスポット検出 Download PDFInfo
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- JP7323717B2 JP7323717B2 JP2022536806A JP2022536806A JP7323717B2 JP 7323717 B2 JP7323717 B2 JP 7323717B2 JP 2022536806 A JP2022536806 A JP 2022536806A JP 2022536806 A JP2022536806 A JP 2022536806A JP 7323717 B2 JP7323717 B2 JP 7323717B2
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- 239000012212 insulator Substances 0.000 claims description 4
- 235000015110 jellies Nutrition 0.000 claims description 4
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- 239000000203 mixture Substances 0.000 claims description 4
- 239000012782 phase change material Substances 0.000 claims description 3
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- 239000011241 protective layer Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 13
- 239000004020 conductor Substances 0.000 description 5
- 239000000615 nonconductor Substances 0.000 description 5
- -1 bismuth chalcogenides Chemical class 0.000 description 4
- GRUMUEUJTSXQOI-UHFFFAOYSA-N vanadium dioxide Chemical compound O=[V]=O GRUMUEUJTSXQOI-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910021542 Vanadium(IV) oxide Inorganic materials 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- OCGWQDWYSQAFTO-UHFFFAOYSA-N tellanylidenelead Chemical compound [Pb]=[Te] OCGWQDWYSQAFTO-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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Description
を具えている方法を提供する。
Claims (24)
- 表面を有する電気装置であって、前記表面はこの表面のほぼ全体に亘って延在する温度センサを具えており、前記温度センサは制御材の層により互いに分離された第1電極及び第2電極を有しており、前記制御材の材料特性及び構成の双方又は何れか一方は、温度が増大するにつれて前記制御材の電気伝導率が増大し、使用中に、前記制御材の何れかの部分の温度が一旦予め決定した温度に達するか又はこの予め決定した温度を超えると電流が前記第1電極及び前記第2電極間に流れ得るようになっている電気装置。
- 請求項1に記載の電気装置において、前記温度センサは、制御材の追加の層により前記第2電極から分離された追加の電極を有しており、前記制御材の追加の層の材料特性及び構成の双方又は何れか一方は、温度が増大するにつれて前記制御材の電気伝導率が増大し、前記制御材の追加の層の何れかの部分の温度が一旦他の予め決定した温度に達するか又はこの他の予め決定した温度を超えると電流が前記第1電極及び前記第2電極間に流れ得るように選択されている電気装置。
- 請求項1に記載の電気装置において、前記表面が、制御材の他の層により互いに分離された第3電極及び第4電極を有する他の温度センサを具えており、制御材の前記他の層の材料特性及び構成の双方又は何れか一方は、温度が増大するにつれて前記制御材の電気伝導率が増大し、制御材の前記他の層の何れかの部分の温度が一旦他の予め決定した温度に達するか又はこの他の予め決定した温度を超えると電流が前記第1電極及び前記第2電極間に流れ得るように選択されている電気装置。
- 請求項1に記載の電気装置において、前記他の温度センサが前記表面のほぼ全体に亘って延在している電気装置。
- 請求項1に記載の電気装置において、前記制御材は、サーミスター材料と、熱電材料と、相変化材料との群、又は金属絶縁体転移(MIT)材料から選択した電気装置。
- 請求項1に記載の電気装置において、前記温度センサは、保護層により被覆されているか、又は保護カバー内に収容されている電気装置。
- 請求項1に記載の電気装置において、この電気装置が電池、又はモータ、又はヒータを具えている電気装置。
- 請求項1に記載の電気装置において、この電気装置が電池セルを具えている電気装置。
- 請求項8に記載の電気装置において、前記電池セルが、セパレータ材料の両面にそれぞれ位置するアノード集電体及びカソード集電体を有する電極アセンブリを具えている電気装置。
- 第1電池セル及び第2電池セルを有する請求項8に記載の電気装置において、前記温度センサが前記第1電池セル及び第2電池セル間に挟まれている電気装置。
- 請求項9に記載の電気装置において、前記温度センサが前記アノード集電体及びカソード集電体の双方又は何れか一方とほぼ同じフットプリントを有している電気装置。
- 請求項9に記載の電気装置において、前記電極アセンブリがゼリーロールの形態をしており、前記温度センサがゼリーロール電極アセンブリのほぼ中央に位置している電気装置。
- 請求項8に記載の電気装置において、前記電池セルがハウジング内に位置している電気装置。
- 請求項1に記載の電気装置において、前記表面が前記電気装置の外側のハウジングの少なくとも一部を有している電気装置。
- 請求項14に記載の電気装置において、前記温度センサが前記外側のハウジングの内面又は外面上に位置している電気装置。
- 請求項14に記載の電気装置において、前記温度センサが前記外側のハウジングの材料内に埋め込まれている電気装置。
- 請求項1~16の何れか一項に記載の電気装置と、入力信号を受信するように構成されたプロセッサを有するホットスポット検出器とを具えるシステムにおいて、前記入力信号は、前記電気装置の温度センサの電極に接続されたセンサ回路内の電流の流れを表すものであり、前記プロセッサは、前記センサ回路内での電流の流れの存在を表すのに応じて制御信号を出力するように構成されているシステム。
- 請求項17に記載のシステムにおいて、前記プロセッサは他の入力信号を受信するように構成されており、この他の入力信号は前記電気装置の他の温度センサの電極に接続された他のセンサ回路内の電流の流れを表すものであり、前記プロセッサは、前記他のセンサ回路内での電流の流れの存在を表すのに応じて他の制御信号を出力するように構成されているシステム。
- 請求項17に記載のシステムにおいて、このシステムが、前記プロセッサからの制御信号の出力時に、前記電気装置への主電流の流れと、前記電気装置からの主電流の流れとの双方又は何れか一方を変更するように構成されているコントローラを具えているシステム。
- 電池管理システムを有する請求項19に記載のシステムにおいて、前記電気装置が電池を有し、前記主電流の流れを、前記電池から取り出した電流とするか、又は前記電池を充電する目的で前記電池に供給する電流とするようにするシステム。
- 請求項1~16の何れか一項に記載の電気装置を制御する方法であって、この方法が、
前記電気装置の温度センサの電極に接続されたセンサ回路内の電流の流れを検出するステップと、
前記センサ回路内の前記電流の流れの検出時に第1制御信号をコントローラに供給するステップと、
前記コントローラを用いて、前記第1制御信号の受信時に、前記電気装置への主電流の流れと前記電気装置からの主電流の流れとの双方又は何れか一方を変更するステップと
を具えている方法。 - 請求項21に記載の方法において、この方法が、
前記電気装置の他の温度センサの電極に接続された他のセンサ回路内の他の電流の流れを検出するステップと、
前記他の電流の流れの検出時に第2制御信号をコントローラに供給するステップと、
前記コントローラを用いて、前記第2制御信号の受信時に、前記電気装置への主電流の流れと前記電気装置からの主電流の流れとの双方又は何れか一方を更に変更するステップと
を具えている方法。 - 請求項22に記載の方法において、前記第1制御信号の受信時に第1主電流制御プロトコルを開始し、前記第2制御信号の受信時に第2主電流制御プロトコルを開始する方法。
- 請求項23に記載の方法において、前記第2主電流制御プロトコルは、前記電気装置への主電流の流れと、前記電気装置からの主電流の流れとの双方又は何れか一方を実質的に停止させるステップを有している方法。
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