WO2015105102A1 - Dispositif capteur - Google Patents

Dispositif capteur Download PDF

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Publication number
WO2015105102A1
WO2015105102A1 PCT/JP2015/050162 JP2015050162W WO2015105102A1 WO 2015105102 A1 WO2015105102 A1 WO 2015105102A1 JP 2015050162 W JP2015050162 W JP 2015050162W WO 2015105102 A1 WO2015105102 A1 WO 2015105102A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
passage
sensor device
sensor
main body
Prior art date
Application number
PCT/JP2015/050162
Other languages
English (en)
Japanese (ja)
Inventor
西川佳弘
Original Assignee
株式会社テイエルブイ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社テイエルブイ filed Critical 株式会社テイエルブイ
Priority to JP2015508344A priority Critical patent/JP5727117B1/ja
Publication of WO2015105102A1 publication Critical patent/WO2015105102A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/0092—Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
    • G01K13/024—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
    • G01L19/0681—Protection against excessive heat

Definitions

  • This application relates to a sensor device that detects the pressure of a high-temperature gas.
  • a sensor device that detects the pressure of a fluid (gas) handled in various plants, manufacturing apparatuses, and the like is known.
  • This sensor device has a measuring rod formed with a ventilation path through which a gas to be detected flows, and a pressure sensor attached to the measuring rod and detecting the pressure of the gas flowing into the ventilation path.
  • the end of the measuring rod is disposed at the gas circulation location, so that the gas flows into the air passage and the gas pressure is detected by the pressure sensor.
  • the operating temperature is set for the pressure sensor, and when the gas to be detected becomes a high temperature, a pressure sensor having a high operating temperature must be used. Therefore, there has been a problem that the cost of the sensor device is increased.
  • the technology disclosed in the present application has been made in view of such circumstances, and an object thereof is to provide a sensor device that can suppress the cost as much as possible even if the detection target is a high-temperature gas.
  • the sensor device of the present application includes a main body in which a gas passage into which a gas to be detected flows is formed, a pressure sensor that is provided in the main body and communicates with the gas passage, and detects a gas pressure in the gas passage; It is assumed that it has.
  • the gas passage has a spiral passage from the gas inflow end to the communication point of the pressure sensor.
  • the contact area of the gas in the main body can be increased as compared with, for example, a straight passage. Therefore, heat transfer between the gas and the main body can be promoted. Therefore, even if the gas is hot near the inflow end in the gas passage, the gas can be made lower in temperature at the communication part of the pressure sensor than near the inflow end. Then, even if the detection target is a high-temperature gas, a pressure sensor having a use temperature set lower than that temperature can be used, so that the cost of the sensor device can be suppressed.
  • FIG. 1 is a cross-sectional view illustrating a schematic configuration of a sensor device according to an embodiment.
  • FIG. 2 is a plan view showing the sensor device according to the embodiment as viewed from above.
  • FIG. 3 is a cross-sectional view illustrating a main part of the sensor device according to the embodiment.
  • FIG. 4 is a cross-sectional view illustrating a main part of the sensor device according to the embodiment.
  • the sensor device 1 of the present embodiment is attached to a pipe through which a high-temperature gas (hereinafter, described as steam) flows in a plant or the like, and detects two of the gas temperature and pressure.
  • a high-temperature gas hereinafter, described as steam
  • the temperature of the steam flowing in the pipe is about 500 ° C.
  • the sensor device 1 includes a main body 10, a temperature sensor 20 (thermocouple), a pressure sensor 30, and an attachment member 40.
  • the main body 10 has a rod-shaped part 11 and a head part 12.
  • the rod-shaped part 11 is formed in a cylindrical shape extending in the vertical direction (the direction indicated by the arrow in FIG. 1), and constitutes a cylindrical part according to the claims of the present application.
  • One end of the rod-like portion 11 constitutes a steam inflow end 11a, and the head 12 is integrally formed at the other end.
  • the head 12 is formed in a hexagonal shape in plan view.
  • the gas passage 13 has a spiral passage 14 formed in the rod-shaped portion 11 and a lateral passage 16 formed in the head portion 12.
  • One end of the spiral passage 14 opens to the inflow end 11 a of the rod-shaped portion 11, and the other end communicates with the lateral passage 16.
  • the head 12 is provided with a temperature sensor 20 and a pressure sensor 30.
  • the temperature sensor 20 has a sheath tube 21 containing a resistance temperature detector or a thermocouple for detecting the temperature of the steam.
  • the sheath tube 21 is inserted into the rod-like portion 11 of the main body 10.
  • the pressure sensor 30 is provided in the head 12 in a state of communicating with the lateral passage 16 of the gas passage 13 and detects the pressure of the vapor in the lateral passage 16 (that is, in the gas passage 13). That is, in the gas passage 13, the spiral passage 14 is formed from the inflow end to the communication location of the pressure sensor 30.
  • signals related to the detected temperature and pressure are sent to an external device through the electric wires 22 and 31.
  • the rod-shaped part 11 of the main body 10 is provided with an attachment member 40 for attaching the sensor device 1 to the pipe.
  • the sensor device 1 is fixed to the pipe by the mounting member 40 in a state where the inflow end 11a side (the measurement target side shown in FIG. 1) of the rod-like portion 11 is inserted into the pipe. At that time, the sensor device 1 is fixed in a state where the rod-like portion 11 extends in the vertical direction.
  • the attachment member 40 is comprised so that adjustment of the insertion length of the rod-shaped part 11 is possible. In the sensor device 1 thus fixed, the inflow end 11 a of the rod-like portion 11 is exposed to the steam in the pipe, and the steam in the pipe flows into the spiral passage 14 and flows to the lateral passage 16.
  • a spiral groove 15 (spiral groove) extending in the vertical direction (axial direction of the rod-shaped portion 11) is formed on the inner peripheral surface of the rod-shaped portion 11.
  • the spiral groove 15 is formed over the entire length of the rod-shaped portion 11. That is, on the inner peripheral surface of the rod-shaped portion 11, valley portions 15a and peak portions 15b are alternately formed in the vertical direction (the axial direction of the rod-shaped portion 11).
  • tube 21 of the temperature sensor 20 is inserted over the formation range of the spiral groove 15 (refer FIG. 1).
  • the sheath tube 21 is formed in an elongated cylindrical shape, and the outer peripheral surface 21 a is in contact with the peak portion 15 b formed in the rod-shaped portion 11.
  • the spiral passage 14 described above is formed by a part of the outer peripheral surface 21 a of the sheath tube 21 and the spiral groove 15 of the rod-shaped portion 11. That is, the sheath tube 21 of the temperature sensor 20 constitutes an insertion body that is inserted into the rod-shaped portion 11 and forms the spiral passage 14 between the spiral groove 15.
  • the spiral passage 14 of the present embodiment has a descending portion 14b that slopes downward in the middle.
  • the spiral passage 14 is connected to the communication portion of the pressure sensor 30 (that is, the lateral passage 16) and the upward portion 14a (passage indicated by a broken line in FIG. 3) and the communication portion of the pressure sensor 30. It has alternately the downward part 14b (passage shown with a dashed-two dotted line in FIG. 3) which inclines below as it goes. That is, in the rod-shaped part 11, the spiral groove 15 is formed so that the above-mentioned ascending part 14a and descending part 14b are alternately formed.
  • the spiral passage 14 is formed in the gas passage 13, for example, the contact area of the steam in the rod-like portion 11 is increased as compared with the linear passage. Can do. Therefore, heat transfer between the steam and the rod-shaped portion 11 (main body 10) can be promoted. Therefore, even if the steam is high in the vicinity of the inflow end 11 a in the gas passage 13, it can be lowered in the vicinity of the pressure sensor 30. That is, in the gas passage 13, the temperature of the steam gradually decreases with the heat exchange with the main body 10, and the amount of decrease in the temperature of the steam can be increased by increasing the contact area between the steam and the main body 10.
  • the pressure sensor 30 having a use temperature set lower than that temperature can be used, so that there is no need to use a high-pressure sensor, and the cost of the sensor device 1 is reduced. Can be suppressed.
  • the spiral passage 14 is formed by inserting the columnar insert (sheath tube 21) into the cylindrical rod-like portion 11 having the spiral groove 15 formed on the inner peripheral surface. Since it is formed, the spiral passage 14 can be easily formed inside the main body 10. Therefore, the cost of the sensor device 1 can be further reduced.
  • the sheath tube 21 is used as an insertion body to be inserted into the rod-shaped portion 11, but it is sufficient that the insertion body when the temperature sensor is not used is a columnar shape.
  • the sensor device 1 of the above embodiment not only the pressure sensor 30 but also the temperature sensor 20 is provided, so that one sensor device 1 can detect two of the steam pressure and temperature.
  • the sheath tube 21 of the temperature sensor 20 is used as the insert inserted into the rod-like portion 11, the number of parts can be reduced and the apparatus can be made compact.
  • the descending portion 14b is formed in the middle of the spiral passage 14, it is generated by vapor condensation in the spiral passage 14 or the lateral passage 16 as shown in FIG.
  • the drain water thus collected can be stored in a continuous part from the descending part 14b to the ascending part 14a.
  • the steam may be condensed by the heat exchange with the main body 10 to become drain water, but the drain water can be stored in the middle of the spiral passage 14.
  • the drain water which is a liquid in the middle of the spiral passage 14, it is possible to suppress the high temperature in the vicinity of the inflow end 11 a from being transmitted to the pressure sensor 30 through the gas passage 13.
  • liquid drain water
  • vapor gas
  • the pressure sensor 30 with a low operating temperature can be used, and therefore the cost of the sensor device 1 can be further reduced.
  • a plurality of the descending portions 14b are provided.
  • the present application is not limited to this, and only one descending portion 14b may be provided, or the descending portion 14b is not provided. May be.
  • the technology disclosed in the present application is useful for a sensor device including a pressure sensor that detects a high-temperature gas pressure.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

L'invention a pour objet de mettre en œuvre un dispositif capteur dont le coût est limité même si ce qui est détecté est un gaz à haute température. Ledit dispositif capteur (1) a un corps principal (10) et un capteur de pression (30). Un passage de gaz (13), dans lequel de la vapeur devant être détectée s'écoule, est formé à l'intérieur du corps principal (10), et le capteur de pression (30) est mis en œuvre dans le corps principal (10) à des fins de raccordement au niveau du passage de gaz (13) et détecte la pression de vapeur à l'intérieur du passage de gaz (13). Le passage de gaz (13) comporte un passage hélicoïdal (14) depuis l'extrémité au travers de laquelle la vapeur s'écoule jusqu'au point où le passage de gaz (13) se raccorde au niveau du capteur de pression (30).
PCT/JP2015/050162 2014-01-08 2015-01-06 Dispositif capteur WO2015105102A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2015508344A JP5727117B1 (ja) 2014-01-08 2015-01-06 センサ装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-001396 2014-01-08
JP2014001396 2014-01-08

Publications (1)

Publication Number Publication Date
WO2015105102A1 true WO2015105102A1 (fr) 2015-07-16

Family

ID=53523927

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/050162 WO2015105102A1 (fr) 2014-01-08 2015-01-06 Dispositif capteur

Country Status (2)

Country Link
JP (1) JP2015148620A (fr)
WO (1) WO2015105102A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016052710A1 (fr) * 2014-10-03 2016-04-07 株式会社テイエルブイ Dispositif de capteur
JP6110047B1 (ja) * 2015-10-16 2017-04-05 株式会社テイエルブイ センサ装置
WO2018198263A1 (fr) 2017-04-27 2018-11-01 株式会社テイエルブイ Dispositif capteur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105486449B (zh) * 2016-01-07 2017-11-28 无锡莱顿电子有限公司 耐高温压力传感器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04282429A (ja) * 1991-03-08 1992-10-07 Copal Electron Co Ltd サージング圧力抑止機構
JP2002201960A (ja) * 2000-12-28 2002-07-19 Ishikawajima Harima Heavy Ind Co Ltd 温度・圧力コンビネーション計測器
JP2008527386A (ja) * 2005-01-14 2008-07-24 エム ケー エス インストルメンツ インコーポレーテッド 流れを規定している構成体を持つ静電容量圧力センサ
JP2010503000A (ja) * 2006-09-15 2010-01-28 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 圧力と温度を組合わせて測定するための差込みセンサ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04282429A (ja) * 1991-03-08 1992-10-07 Copal Electron Co Ltd サージング圧力抑止機構
JP2002201960A (ja) * 2000-12-28 2002-07-19 Ishikawajima Harima Heavy Ind Co Ltd 温度・圧力コンビネーション計測器
JP2008527386A (ja) * 2005-01-14 2008-07-24 エム ケー エス インストルメンツ インコーポレーテッド 流れを規定している構成体を持つ静電容量圧力センサ
JP2010503000A (ja) * 2006-09-15 2010-01-28 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 圧力と温度を組合わせて測定するための差込みセンサ

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016052710A1 (fr) * 2014-10-03 2016-04-07 株式会社テイエルブイ Dispositif de capteur
JP6043024B2 (ja) * 2014-10-03 2016-12-14 株式会社テイエルブイ センサ装置
EP3203203A4 (fr) * 2014-10-03 2018-05-23 TLV Co., Ltd. Dispositif de capteur
US10012559B2 (en) 2014-10-03 2018-07-03 Tlv Co., Ltd. Sensor device having body, pressure sensor, insert with helically shaped groove and temperature sensor
JP6110047B1 (ja) * 2015-10-16 2017-04-05 株式会社テイエルブイ センサ装置
WO2017065312A1 (fr) * 2015-10-16 2017-04-20 株式会社テイエルブイ Dispositif capteur
WO2018198263A1 (fr) 2017-04-27 2018-11-01 株式会社テイエルブイ Dispositif capteur
US11326959B2 (en) 2017-04-27 2022-05-10 Tlv Co., Ltd. Sensor device

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