JP6768086B2 - 漏液感知ケーブル及びその製造方法 - Google Patents
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
- G01M3/165—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means by means of cables or similar elongated devices, e.g. tapes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0026—Apparatus for manufacturing conducting or semi-conducting layers, e.g. deposition of metal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0036—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
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- H01—ELECTRIC ELEMENTS
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
一つ以上の導線と、前記一つ以上の導線をカバーする被覆層とを含む電線コア;
前記電線コアの表面の長手方向に沿って結合する感知部;及び
非導電性繊維で編組され、前記感知部をカバーする第1編組層を含み、
前記感知部は、長さに比例する一定の抵抗値を有して前記液体と反応して出力電流値が変化することを特徴とする。
前記電線コアの前記導線のうち一つ以上は、前記感知ラインと連結されて信号を伝達することを特徴とする。
a)一つ以上の導線を配置するステップ;
b)前記一つ以上の導線を長手方向にカバーするように被覆層を形成するステップ;
c)前記被覆層の長手方向に沿って感知部を配置するステップ;及び
d)非導電性繊維を編組して前記感知部をカバーするように第1編組層を形成するステップ;を含むことを特徴とする。
Claims (22)
- 液体の漏れを感知する漏液感知ケーブルにおいて、
一つ以上の導線と、前記一つ以上の導線をカバーする被覆層とを含む電線コア;
前記電線コアの表面の長手方向に沿って結合する感知部;及び
非導電性繊維で編組され、前記感知部をカバーする第1編組層を含み、
前記感知部は、長さに比例する一定の抵抗値を有して前記液体と反応して出力電流値が変化し、
前記感知部は、感知対象液体を感知する組成物を前記電線コアの表面に設定幅の帯状に印刷、メッキ、または真空蒸着して形成される感知ラインを含む、漏液感知ケーブル。 - 導電性材質の繊維で編組され、前記一つ以上の導線を包んで前記一つ以上の導線を遮蔽する第2編組層をさらに含む、請求項1に記載の漏液感知ケーブル。
- 前記被覆層は、非導電性繊維で編組される、請求項1に記載の漏液感知ケーブル。
- 前記感知対象液体に対する吸収性を有する材質で形成され、前記感知部を囲む不織布をさらに含む、請求項1に記載の漏液感知ケーブル。
- 前記感知ラインは、前記電線コアの表面を設定間隔で離隔してスクリュー形態に取り囲むように結合する、請求項1に記載の漏液感知ケーブル。
- 液体の漏れを感知する漏液感知ケーブルにおいて、
一つ以上の導線と、前記一つ以上の導線をカバーする被覆層とを含む電線コア;
前記電線コアの表面の長手方向に沿って結合する感知部;及び
非導電性繊維で編組され、前記感知部をカバーする第1編組層を含み、
前記感知部は、長さに比例する一定の抵抗値を有して前記液体と反応して出力電流値が変化し、
前記感知部は、感知対象液体を感知する組成物を前記電線コアの表面全体に印刷、メッキまたは真空蒸着して形成される、漏液感知ケーブル。 - 前記感知対象液体が液体炭化水素化合物である場合、前記組成物は、カーボン、油凝固剤、バインダ、及び希釈剤を含む、請求項1乃至6のいずれか一項に記載の漏液感知ケーブル。
- 前記感知対象液体が伝導性液体である場合、前記組成物は、導電性インク、銀インク、導電性ポリマー、導電性金属を含む群から選択される、請求項1乃至6のいずれか一項に記載の漏液感知ケーブル。
- 前記電線コアの前記導線のうち一つ以上は、前記感知ラインと連結されて信号を伝達する、請求項1に記載の漏液感知ケーブル。
- 前記感知部は、前記感知ラインをカバーするように保護層がさらに結合する、請求項1乃至5のいずれか一項に記載の漏液感知ケーブル。
- 前記保護層の前記感知ラインの設定位置に設定間隔で前記感知対象液体が通過できるセンシングホールが形成される、請求項10に記載の漏液感知ケーブル。
- 前記保護層は、前記感知ラインより幅が狭く形成される、請求項10に記載の漏液感知ケーブル。
- 前記保護層が結合する前に前記感知ラインをカバーし、前記感知対象液体に分解されるか、または前記感知対象液体が透過する感知コーティング膜をさらに含む、請求項10に記載の漏液感知ケーブル。
- 前記感知コーティング膜は、ポリウレタン、ポリエチレン、エナメル、ワニス、アルキド樹脂、ビニル系樹脂を含む群から選択された一つ以上の高分子ポリマーを含むコーティング液で形成される、請求項13に記載の漏液感知ケーブル。
- 前記感知コーティング膜は、カーボンを含むコーティング液で形成される、請求項13に記載の漏液感知ケーブル。
- 前記感知コーティング膜は、厚さが0.05μm〜100μmから選択されたいずれか一つである、請求項13に記載の漏液感知ケーブル。
- 前記電線コアの前記被覆層上に溝部が形成され、
前記溝部に前記感知対象液体を感知する組成物が投入硬化されて感知ラインが形成される、請求項1に記載の漏液感知ケーブル。 - 前記溝部は、前記電線コアの表面の長手方向に沿って設定幅と設定深さを有して設定間隔で離隔されたスクリュー状に形成される、請求項17に記載の漏液感知ケーブル。
- 前記感知部は、一対の感知ラインを含み、
一対の前記感知ラインは、一側ラインが他側ラインに比べて電解度の高い元素で形成し、前記感知ラインをカバーするように前記感知対象液体に対する吸収性があるか、または前記感知対象液体が透過する吸収材でコーティングされる、請求項1に記載の漏液感知ケーブル。 - 前記感知部は、相対的に電気伝導度が良好な金属層上に、相対的に電気伝導度が低く、耐食性を有する金属を積層して形成される多層導電性回路ラインを含む、請求項1に記載の漏液感知ケーブル。
- 液体の漏れを感知する漏液感知ケーブルの製造方法において、
a)一つ以上の導線を配置するステップ;
b)前記一つ以上の導線を長手方向にカバーするように被覆層を形成するステップ;
c)前記被覆層の長手方向に沿って感知部を配置するステップ;及び
d)非導電性繊維を編組して前記感知部をカバーするように第1編組層を形成するステップ;を含み、
前記c)ステップは、
マスキングテープを設定された幅と厚さの帯状の間隔がスクリュー状に形成されるように前記被覆層上に貼り付けるステップ;
前記ステップで前記マスキングテープが貼り付けられた前記被覆層をコーティング、印刷、真空蒸着またはメッキのうち選択された方法で導電性薄膜を形成するステップ;及び
前記マスキングテープを除去するステップを含む、漏液感知ケーブルの製造方法。 - 液体の漏れを感知する漏液感知ケーブルの製造方法において、
a)一つ以上の導線を配置するステップ;
b)前記一つ以上の導線を長手方向にカバーするように被覆層を形成するステップ;
c)前記被覆層の長手方向に沿って感知部を配置するステップ;及び
d)非導電性繊維を編組して前記感知部をカバーするように第1編組層を形成するステップ;を含み、
前記c)ステップは、前記被覆層の全体の表面上に導電性薄膜を形成し、フォトリソグラフィ工程とエッチング工程を利用して前記被覆層の表面の長手方向に沿って設定幅と厚さの帯状の導電性感知ラインがスクリュー状に取り囲むように形成する、漏液感知ケーブルの製造方法。
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