JP6851436B2 - 温度センサ、ヒータユニット - Google Patents
温度センサ、ヒータユニット Download PDFInfo
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- JP6851436B2 JP6851436B2 JP2019142836A JP2019142836A JP6851436B2 JP 6851436 B2 JP6851436 B2 JP 6851436B2 JP 2019142836 A JP2019142836 A JP 2019142836A JP 2019142836 A JP2019142836 A JP 2019142836A JP 6851436 B2 JP6851436 B2 JP 6851436B2
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 9
- 150000002739 metals Chemical class 0.000 description 9
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
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- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
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- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- GPBUGPUPKAGMDK-UHFFFAOYSA-N azanylidynemolybdenum Chemical compound [Mo]#N GPBUGPUPKAGMDK-UHFFFAOYSA-N 0.000 description 1
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- 239000011651 chromium Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
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- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
- ZVWKZXLXHLZXLS-UHFFFAOYSA-N zirconium nitride Chemical compound [Zr]#N ZVWKZXLXHLZXLS-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
- G01K7/04—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples the object to be measured not forming one of the thermoelectric materials
- G01K7/06—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples the object to be measured not forming one of the thermoelectric materials the thermoelectric materials being arranged one within the other with the junction at one end exposed to the object, e.g. sheathed type
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/16—Special arrangements for conducting heat from the object to the sensitive element
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
- G01K7/04—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples the object to be measured not forming one of the thermoelectric materials
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- 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
- G05D23/22—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 being a thermocouple
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
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- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
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- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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Description
図1及び図2を用いて、本発明の一実施形態に係る温度センサ10について説明する。
図1(A)〜図1(C)の各々は、本発明の一実施形態に係る温度センサ10の模式的斜視図、上面図、及び側面図である。図1(A)〜図1(C)に示すように、温度センサ10は、ブロック体100、第1熱電対200、及び第2熱電対300を含む。第1熱電対200及び第2熱電対300の各々の端部は、ブロック体100に埋設されている。
ブロック体100は、被測定物と接し、被測定物から熱が伝導されるとともに、第1熱電対200及び第2熱電対300に熱を伝導する。そのため、ブロック体100の材料は、被測定物の材料と同じであることが好ましいが、これに限られない。ブロック体100は、熱伝導性の高い金属であることが好ましい。このような金属としては、10W/mK以上430W/mK以下の熱伝導率を有する金属から選択することができる。材料の比較においては、ブロック体100の材料の熱伝導率は、ブロック体100が接する被測定物の材料の熱伝導率の80%以上であることが好ましい。また、ブロック体100が被測定物の中に埋設される場合には、金属は、さらに3×10−6/K以上25×10−6/K以下の熱膨張率を有することが好ましい。ブロック体100の金属として、例えば、アルミニウム、チタン、ステンレスなどの金属又はこれらの合金などを使用することができる。
図3(A)及び図3(B)を用いて、本実施形態に係る温度センサ10の変形例について説明する。ここでは、主に、第1熱電対200及び第2熱電対300の構成の変形例について説明する。
図4(A)〜図4(E)を用いて、本実施形態に係る温度センサ10の変形例について説明する。ここでは、主に、ブロック体100の構成の変形例について説明する。
図5(A)及び図5(B)を用いて、本実施形態に係る温度センサ10の変形例について説明する。ここでは、主に、ブロック体100の表面形状の構成の変形例について説明する。
図6(A)〜図6(C)を用いて、本実施形態に係る温度センサ10の変形例について説明する。ここでは、主に、ブロック体100の表面形状の構成の別の変形例について説明する。
図7(A)〜図7(C)を用いて、本実施形態に係る温度センサ10の変形例について説明する。ここでは、主に、ブロック体100に埋設する第1熱電対200及び第2熱電対300の位置の構成の変形例について説明する。
図8〜図10を用いて、本発明の一実施形態に係るヒータユニットについて説明する。
図11(A)〜11(C)を用いて、本実施形態に係るヒータユニット20の変形例について説明する。ここでは、主に、温度センサ10の配置の変形例について説明する。なお、上述したように、シースヒータは複数に分割して設けることができるが、ここでは便宜上、シースヒータ640として説明する。
20、20A、20B、20C:ヒータユニット、
100、100A、100B、100C、100D、100E、100F、100G、100a、100b、100c、100d、100e:ブロック体、
150C:溝、 150D:凸部、
200、200A、200B:第1熱電対、
211、211A、211B:第1素線、
212、212A、212B:第2素線、
220、220A、220B:第1絶縁体、
230、230A、230B:第1金属シース、
300、300A、300B:第2熱電対、
311、311A、311B:第3素線、
312、312A、312B:第4素線、
320、320A、320B:第2絶縁体、
330、330A、330B:第2金属シース、
610:第1プレート、
611、611A、611B、611C:第1凹部、
620:第2プレート、
621、621A、621B、621C:第2凹部、
622−1、622−2、622−3:貫通孔、
623−1:第1溝、 623−2:第2溝、 623−3:第3溝、
624−1a、624−1b、624−2a、624−2b、624−3a、624−3b:貫通孔、
630:シャフト、
640:シースヒータ、640−1:第1シースヒータ、 640−2:第2シースヒータ、 640−3:第3シースヒータ、
641:リード線
Claims (12)
- ブロック体と、
第1素線、第2素線、前記第1素線及び前記第2素線を取り囲む第1絶縁体、及び前記第1絶縁体を取り囲む第1金属シースを含む第1熱電対と、
第3素線、第4素線、前記第3素線及び前記第4素線を取り囲む第2絶縁体、及び前記第2絶縁体を取り囲む第2金属シースを含む第2熱電対と、を含み、
前記第1熱電対及び前記第2熱電対の各々の端部は、前記ブロック体に埋設され、
前記第2熱電対は、前記第1熱電対と測定温度範囲が異なる温度センサ。 - 前記第1素線及び前記第2素線の各々の端部は、前記第1金属シースに接し、
前記第3素線及び前記第4素線の各々の端部は、前記第2金属シースに接する請求項1に記載の温度センサ。 - 前記第1素線、前記第2素線、前記第3素線、及び前記第4素線の各々の端部は、前記ブロック体と接する請求項1に記載の温度センサ。
- 前記第1熱電対及び前記第2熱電対の各々の端部は、前記ブロック体にろう付けされて埋設される請求項1乃至請求項3のいずれか一に記載の温度センサ。
- 前記第1熱電対及び前記第2熱電対の各々の端部は、前記ブロック体に溶接されて埋設される請求項1乃至請求項3のいずれか一に記載の温度センサ。
- 前記第1熱電対及び前記第2熱電対の各々の端部は、前記ブロック体にかしめられて埋設される請求項1乃至請求項3のいずれか一に記載の温度センサ。
- 前記ブロック体の形状は、多角柱、円柱、球、多角錐、及び円錐からなる群より選ばれる請求項1乃至請求項6のいずれか一に記載の温度センサ。
- 前記ブロック体の表面に、溝が設けられる請求項1乃至7のいずれか一に記載の温度センサ。
- 前記ブロック体の表面に、凸部が設けられる請求項1乃至7のいずれか一に記載の温度センサ。
- 前記ブロック体の表面は、ブラスト加工又はエッチング加工による凹凸が設けられる請求項1乃至7のいずれか一に記載の温度センサ。
- 前記ブロック体の材料の熱伝導率は、10W/mK以上430W/mK以下である請求項1乃至請求項10のいずれか一に記載の温度センサ。
- 請求項1乃至請求項11のいずれか一に記載の温度センサを含むヒータユニット。
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JP2019142836A JP6851436B2 (ja) | 2019-08-02 | 2019-08-02 | 温度センサ、ヒータユニット |
EP20849555.6A EP4009024A4 (en) | 2019-08-02 | 2020-07-27 | TEMPERATURE SENSOR AND HEATER UNIT |
CN202080053712.3A CN114207397A (zh) | 2019-08-02 | 2020-07-27 | 温度传感器及加热器单元 |
KR1020227005018A KR20220032107A (ko) | 2019-08-02 | 2020-07-27 | 온도 센서 및 히터 유닛 |
PCT/JP2020/028750 WO2021024837A1 (ja) | 2019-08-02 | 2020-07-27 | 温度センサ及びヒータユニット |
TW109125819A TWI750750B (zh) | 2019-08-02 | 2020-07-30 | 溫度感測器及加熱器單元 |
US17/590,780 US12000737B2 (en) | 2019-08-02 | 2022-02-01 | Temperature sensor and heater unit |
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EP4009024A4 (en) | 2023-08-09 |
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EP4009024A1 (en) | 2022-06-08 |
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