KR102425681B1 - 압력 센서 - Google Patents
압력 센서 Download PDFInfo
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- KR102425681B1 KR102425681B1 KR1020180030890A KR20180030890A KR102425681B1 KR 102425681 B1 KR102425681 B1 KR 102425681B1 KR 1020180030890 A KR1020180030890 A KR 1020180030890A KR 20180030890 A KR20180030890 A KR 20180030890A KR 102425681 B1 KR102425681 B1 KR 102425681B1
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- South Korea
- Prior art keywords
- housing
- diaphragm
- heat
- pressure sensor
- shell
- Prior art date
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- 239000012530 fluid Substances 0.000 claims abstract description 75
- 238000005259 measurement Methods 0.000 claims abstract description 20
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- 238000010438 heat treatment Methods 0.000 description 4
- 238000005304 joining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
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- 239000003990 capacitor Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
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- 238000007789 sealing Methods 0.000 description 2
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- 239000010409 thin film Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910017709 Ni Co Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910003267 Ni-Co Inorganic materials 0.000 description 1
- 229910003262 Ni‐Co Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
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- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
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- 229910052758 niobium Inorganic materials 0.000 description 1
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/12—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor
-
- 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
- G01L19/0627—Protection against aggressive medium in general
-
- 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
- G01L19/14—Housings
-
- 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
- G01L19/14—Housings
- G01L19/147—Details about the mounting of the sensor to support or covering means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
도 2는, 본 발명의 그 외의 실시 형태에 관한 압력 센서의 구성을 나타내는 개략 단면도이다.
도 3은, 본 발명의 그 외의 실시 형태에 관한 압력 센서의 구성을 나타내는 개략 단면도이다.
도 4는, 종래의 정전(靜電) 용량형 압력 센서의 구조를 나타내는 개략 단면도이다.
12:수압면 14:이면
20:전극체 22:전극면
24:씰링 부재 30:하우징
32:제1 요소 32a:측벽
32b:저벽 32c:유체 입구 구멍
34:제2 요소 34a:측벽
34b:상벽 36:박육부
40:히터 50:입구관
60:열완충 부재 62:상면
64:하면 70:셸
72:공간 74:하면
S:측정실
Claims (8)
- 피측정 유체의 압력을 받는 수압면(受壓面)을 갖고, 압력을 받아 변형하는 다이어프램과,
상기 수압면의 이면(裏面)과 갭을 형성하여 대향하는 전극면을 가진 전극체와,
상기 수압면을 둘러싸며, 측정실을 형성하도록 상기 다이어프램의 수압면에 연결되어 있는 하우징과,
상기 하우징의 저벽에 접속되어, 상기 피측정 유체를 상기 측정실로 안내하는 입구관과,
상기 입구관에 마련된, 소정의 열용량을 가지는 열완충 부재와,
상기 하우징 및 상기 다이어프램의 일부 또는 전부를 공간을 매개로 하여 둘러싸는 셸(shell)과,
상기 셸을 가열하는 히터를 가지고,
상기 열완충 부재와 상기 셸이 열적으로 접속되어 있고,
상기 공간이, 적어도 상기 하우징의 상기 저벽의 저면과 상기 셸과의 사이에 마련되어 있는 압력 센서. - 청구항 1에 있어서,
상기 셸이, 상기 하우징 및 상기 다이어프램의 전부를 상기 공간을 매개로 하여 둘러싸는 압력 센서. - 청구항 1에 있어서,
상기 열완충 부재는 상기 셸의 외면에 접촉하고 있는 압력 센서. - 청구항 1에 있어서,
상기 열완충 부재는 상기 입구관의 외측 둘레면에 마련되어 있는 압력 센서. - 청구항 1에 있어서,
상기 열완충 부재는 상기 입구관에 일체 성형된 것인 압력 센서. - 청구항 1에 있어서,
상기 열완충 부재는 원판(圓板) 모양을 이루며, 상기 입구관에 축선을 합치(合致)시켜서 마련되어 있는 압력 센서. - 청구항 1에 있어서,
상기 하우징은 측벽과 저벽을 가지며, 상기 다이어프램과 상기 측벽과 상기 저벽에 의해서 상기 측정실을 형성하는 것으로서,
상기 측벽의 일부에, 다른 부분보다 두께가 작고, 주회(周回)하는 박육부(薄肉部)가 마련되어 있는 압력 센서. - 삭제
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2017-065340 | 2017-03-29 | ||
JP2017065340A JP6895289B2 (ja) | 2017-03-29 | 2017-03-29 | 圧力センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20180110596A KR20180110596A (ko) | 2018-10-10 |
KR102425681B1 true KR102425681B1 (ko) | 2022-07-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020180030890A KR102425681B1 (ko) | 2017-03-29 | 2018-03-16 | 압력 센서 |
Country Status (5)
Country | Link |
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US (1) | US10718677B2 (ko) |
JP (1) | JP6895289B2 (ko) |
KR (1) | KR102425681B1 (ko) |
CN (1) | CN108692854B (ko) |
TW (1) | TWI778034B (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107976279A (zh) * | 2017-12-15 | 2018-05-01 | 北京创昱科技有限公司 | 一种真空测量装置 |
CN111174966A (zh) * | 2020-01-06 | 2020-05-19 | 中国科学院微电子研究所 | 散热结构及电容压力传感器 |
CN111207882A (zh) * | 2020-01-17 | 2020-05-29 | 中国科学院微电子研究所 | 压力传感器 |
CN111207883A (zh) * | 2020-01-17 | 2020-05-29 | 中国科学院微电子研究所 | 压力传感器 |
JP7418248B2 (ja) * | 2020-03-05 | 2024-01-19 | 株式会社堀場エステック | 真空計 |
JP2023105618A (ja) * | 2022-01-19 | 2023-07-31 | 株式会社堀場エステック | ガス分析装置、及び、ガス分析方法 |
KR102615633B1 (ko) | 2022-04-25 | 2023-12-19 | 충북대학교 산학협력단 | 자성유체 진공씰의 실시간 압력편차 감지시스템 |
KR20240044706A (ko) | 2022-09-29 | 2024-04-05 | 충북대학교 산학협력단 | 자성유체 진공씰의 실시간 디지털 압력편차 및 온도 측정시스템 |
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JP2015148579A (ja) * | 2014-02-10 | 2015-08-20 | アズビル株式会社 | 静電容量型圧力センサ |
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2017
- 2017-03-29 JP JP2017065340A patent/JP6895289B2/ja active Active
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2018
- 2018-03-15 CN CN201810213732.7A patent/CN108692854B/zh active Active
- 2018-03-16 KR KR1020180030890A patent/KR102425681B1/ko active IP Right Grant
- 2018-03-27 TW TW107110449A patent/TWI778034B/zh active
- 2018-03-28 US US15/938,163 patent/US10718677B2/en active Active
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JP2015148579A (ja) * | 2014-02-10 | 2015-08-20 | アズビル株式会社 | 静電容量型圧力センサ |
Also Published As
Publication number | Publication date |
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TWI778034B (zh) | 2022-09-21 |
US10718677B2 (en) | 2020-07-21 |
CN108692854B (zh) | 2021-06-25 |
US20180283971A1 (en) | 2018-10-04 |
JP2018169226A (ja) | 2018-11-01 |
JP6895289B2 (ja) | 2021-06-30 |
CN108692854A (zh) | 2018-10-23 |
TW201837444A (zh) | 2018-10-16 |
KR20180110596A (ko) | 2018-10-10 |
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