JP4235614B2 - 加熱素子における非線形性を補償するように構成された可変抵抗器を含むシステム。 - Google Patents
加熱素子における非線形性を補償するように構成された可変抵抗器を含むシステム。 Download PDFInfo
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- JP4235614B2 JP4235614B2 JP2004532971A JP2004532971A JP4235614B2 JP 4235614 B2 JP4235614 B2 JP 4235614B2 JP 2004532971 A JP2004532971 A JP 2004532971A JP 2004532971 A JP2004532971 A JP 2004532971A JP 4235614 B2 JP4235614 B2 JP 4235614B2
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- heating element
- thin film
- variable resistor
- resistance
- resistor
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 56
- 239000010409 thin film Substances 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims description 24
- 238000012886 linear function Methods 0.000 claims 1
- 239000003205 fragrance Substances 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 230000003121 nonmonotonic effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0288—Applications for non specified applications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
- A61L9/02—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
- A61L9/03—Apparatus therefor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
- G05D23/2401—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor using a heating element as a sensing element
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- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- Automation & Control Theory (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Adjustable Resistors (AREA)
- Control Of Resistance Heating (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Surface Heating Bodies (AREA)
- Finger-Pressure Massage (AREA)
- Non-Adjustable Resistors (AREA)
- Networks Using Active Elements (AREA)
- Amplifiers (AREA)
Description
本発明は、概して加熱素子の制御に関し、特に、加熱素子を備える電気回路において非線形性を少なくとも部分的に補償するように構成された改良された可変抵抗器に関する。
比較的小型でシンプルな受動構成要素を用いて負荷抵抗の制御を提供することが所望される。たとえば、可変抵抗器をしばしば用いて、一般的に適切な電圧源と直列に構成される加熱素子等の制御を測定する。このように、可変抵抗器は、制御可能な分圧器として効率的に機能する。
本発明が従来技術の不利な点に取り組む方法はより詳細に以下で説明するが、一般的に本発明は、加熱素子(たとえば、薄膜加熱素子)を備える電気回路において非線形性を少なくとも部分的に補償するように構成された改良された可変抵抗器を提供する。
以下の説明は、本発明の例示的な実施形態のみに関し、本発明の範囲、適用性、または構成を制限することを決して意図されていない。むしろ、以下の説明は、本発明の種々の実施形態を実行するために便利な説明を提供することを意図している。明らかになるように、ここに記載の本発明の範囲から逸脱することなく、これら実施形態において記載された要素の機能および調整において種々の変更が成され得る。たとえば、本発明に照らして、ここで記載された方法および装置は、空気清浄機等といった蒸気分配システムとともに特に使用することを発見し得る。しかしながら、一般的に言うと、本発明は、薄膜抵抗器熱源のような制御可能な熱源を必要とする任意の用途に関連して用いられ得る。
PH=IVH=I(V−VS) (1)
これに対して、全回路電流は以下のように得られる:
RS=Rmaxd (4)。
Claims (13)
- 加熱素子と、
該加熱素子に結合された電圧源と、
該加熱素子と該電圧源とに直列に結合された可変抵抗器であって、該可変抵抗器は、固定された抵抗素子と移動可能な素子とを含み、該移動可能な素子は、接点において該固定された抵抗素子と調整可能に接する、可変抵抗器と
を備え、
該固定された抵抗素子は、長さを有し、第1の薄膜抵抗器と該第1の薄膜抵抗器に並列である第2の薄膜抵抗器とを備え、該第1および第2の薄膜抵抗器は、該長さに亘って非線形に変動する幅を有し、
該可変抵抗器は、該長さに亘って非線形に変動する抵抗を有し、
該移動可能な素子は、該第1の薄膜抵抗器と該第2の薄膜抵抗器とに調整可能に接し、
該加熱素子は、該長さに亘って線形に変動する電力を生成する、システム。 - 前記加熱素子は、薄膜抵抗器を備える、請求項1に記載のシステム。
- 前記加熱素子は、蛇行したパターンを有する薄膜抵抗器を備える、請求項2に記載のシステム。
- 前記電圧源は、AC電源を備える、請求項1に記載のシステム。
- 前記加熱素子に熱的に結合されたウィッキング構造を有する蒸気分配器をさらに含み、該蒸気分配器は、前記電力の関数である速度で、周囲に蒸気を放出するように構成されている、請求項1に記載のシステム。
- 前記移動可能な素子は、スライダースイッチ、ダイアル、ノブ、スクリューおよび指回し式円形板から成るグループから選択された構成要素を備える、請求項1に記載のシステム。
- 前記第1および第2の薄膜抵抗器うちの少なくとも1つは、第1の端と、第2の端と、該第1の端と該第2の端との間で非線形に変動する属性とを有し、該属性は、幅、厚さ、材料およびシート抵抗から成るグループから選択される、請求項1に記載のシステム。
- 前記幅は、平方根関数、対数関数および多項関数から成るグループから選択された幾何学的な関数に従って、前記長さに亘って連続的に変動する、請求項1に記載のシステム。
- 前記移動可能な素子は、高位置と、低位置と、該高位置と該低位置との間の少なくとも1つの中間位置とを有し、該高位置、該低位置および該中間位置における前記電力は、実質的な直線を規定する、請求項1に記載のシステム。
- 前記加熱素子は、抵抗RHおよび電力PH=IVHによって特徴付けられたタイプであり、ここで、Iは、該加熱素子を通る電流であり、VHは、該加熱素子にかかる電圧であり、
前記移動可能な素子は、位置xを有し、該位置xは、該位置xと関連付けられた接点において前記固定された抵抗素子と調整可能に接し、
該固定された抵抗素子は、抵抗RS(x)を有し、
該電力PHは、以下の方程式によってRS(x)に関連しており、
Vは、前記電圧源によって供給される電圧であり、
RS(x)は、非線形関数であり、PH(x)は、少なくとも部分的には直線である、請求項1に記載のシステム。 - RS(x)∝√(x/L)であり、ここで、Lは、前記固定された抵抗素子の長さである、請求項10に記載のシステム。
- 前記固定された抵抗素子は、xの関数として非線形に変動する幅wを有する2つの実質的に並列な薄膜抵抗器を備える、請求項10に記載のシステム。
- 前記移動可能な素子は、高位置Xhighと、低位置Xlowと、少なくとも1つの中間位置とを有し、前記電力PHは、曲線を有し、該曲線は、該曲線に沿った3つの点において(Xhigh,PH(Xhigh))および(Xlow,PH(Xlow))によって定義される直線に実質的に交わり、該3つの点のそれぞれは、該高位置、該低位置、該中間位置のうちの1つを表している、請求項10に記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40739202P | 2002-08-30 | 2002-08-30 | |
PCT/US2003/026511 WO2004020006A1 (en) | 2002-08-30 | 2003-08-26 | Methods and apparatus for a variable resistor configured to compensate for non-linearities in a heating element circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005539350A JP2005539350A (ja) | 2005-12-22 |
JP4235614B2 true JP4235614B2 (ja) | 2009-03-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004532971A Expired - Fee Related JP4235614B2 (ja) | 2002-08-30 | 2003-08-26 | 加熱素子における非線形性を補償するように構成された可変抵抗器を含むシステム。 |
Country Status (11)
Country | Link |
---|---|
US (1) | US7002114B2 (ja) |
EP (1) | EP1539257B1 (ja) |
JP (1) | JP4235614B2 (ja) |
CN (1) | CN1323725C (ja) |
AT (1) | ATE342069T1 (ja) |
AU (1) | AU2003265638B2 (ja) |
DE (1) | DE60309050T2 (ja) |
ES (1) | ES2274309T3 (ja) |
HK (1) | HK1081129A1 (ja) |
MX (1) | MXPA05002260A (ja) |
WO (1) | WO2004020006A1 (ja) |
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JP2008091477A (ja) * | 2006-09-29 | 2008-04-17 | Brother Ind Ltd | 光量調整装置及び画像形成装置 |
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USD846724S1 (en) | 2017-10-23 | 2019-04-23 | S. C. Johnson & Son, Inc. | Dispenser |
USD859163S1 (en) | 2017-10-23 | 2019-09-10 | S. C. Johnson & Son, Inc. | Container with cover |
USD871226S1 (en) | 2017-10-23 | 2019-12-31 | S. C. Johnson & Son, Inc. | Container |
USD846725S1 (en) | 2017-10-23 | 2019-04-23 | S. C. Johnson & Son, Inc. | Dispenser |
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-
2003
- 2003-08-26 JP JP2004532971A patent/JP4235614B2/ja not_active Expired - Fee Related
- 2003-08-26 AT AT03791744T patent/ATE342069T1/de not_active IP Right Cessation
- 2003-08-26 EP EP03791744A patent/EP1539257B1/en not_active Expired - Lifetime
- 2003-08-26 AU AU2003265638A patent/AU2003265638B2/en not_active Ceased
- 2003-08-26 DE DE60309050T patent/DE60309050T2/de not_active Expired - Lifetime
- 2003-08-26 ES ES03791744T patent/ES2274309T3/es not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
EP1539257A1 (en) | 2005-06-15 |
AU2003265638A1 (en) | 2004-03-19 |
AU2003265638B2 (en) | 2007-01-04 |
CN1323725C (zh) | 2007-07-04 |
ES2274309T3 (es) | 2007-05-16 |
DE60309050D1 (de) | 2006-11-23 |
MXPA05002260A (es) | 2005-06-08 |
HK1081129A1 (en) | 2006-05-12 |
ATE342069T1 (de) | 2006-11-15 |
EP1539257B1 (en) | 2006-10-11 |
US20040129695A1 (en) | 2004-07-08 |
CN1684715A (zh) | 2005-10-19 |
WO2004020006A1 (en) | 2004-03-11 |
JP2005539350A (ja) | 2005-12-22 |
US7002114B2 (en) | 2006-02-21 |
DE60309050T2 (de) | 2007-03-29 |
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