KR20170098541A - 비접촉 변위 센서의 크립 보상 방법 및 이를 이용한 저울 - Google Patents
비접촉 변위 센서의 크립 보상 방법 및 이를 이용한 저울 Download PDFInfo
- Publication number
- KR20170098541A KR20170098541A KR1020160020583A KR20160020583A KR20170098541A KR 20170098541 A KR20170098541 A KR 20170098541A KR 1020160020583 A KR1020160020583 A KR 1020160020583A KR 20160020583 A KR20160020583 A KR 20160020583A KR 20170098541 A KR20170098541 A KR 20170098541A
- Authority
- KR
- South Korea
- Prior art keywords
- load cell
- strain gauge
- displacement
- creep
- load
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000005259 measurement Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 239000011888 foil Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/18—Link connections between the beam and the weigh pan
- G01G21/20—Link connections between the beam and the weigh pan for precision weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/02—Relieving mechanisms; Arrestment mechanisms
- G01G23/04—Relieving mechanisms; Arrestment mechanisms for precision weighing apparatus
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Force In General (AREA)
Abstract
Description
도 2는 통상적인 스트레인 게이지의 구조도;
도 3은 로드셀에 접착되는 게이지의 접착부 구조도;
도 4는 본 발명의 실시예에 따른 저울의 대략적인 구성도;
도 5는 본 발명에 실시예에 따른 1 힌지 로드셀을 적용한 저울의 대략적인 구성도; 및
도 6은 본 발명의 실시예에 따른 스트레인 게이지 저항의 변화 추이 및 변위 측정 데이터의 동기화를 나타내는 그래프이다.
Claims (3)
- 저울에 있어서,
스트레인 게이지가 부착된 로드셀;
하중에 의한 상기 로드셀의 처짐 정도를 측정하기 위한 변위 센서; 및
상기 변위 센서로부터 측정되는 변위 데이터와 상기 스트레인 게이지의 저항 변화를 동기화하여 상기 스트레인 게이지의 저항 변화로부터 크립 발생시점을 추정하고, 상기 크립 발생 시점을 상기 변위 데이터에 적용하여 상기 변위 데이터로부터 상기 하중에 의한 변위량을 산출하는 중량 산출부를 포함하는 것을 특징으로 하는 저울.
- 제1항에 있어서,
상기 로드셀은 1 힌지 구조로서, 상기 스트레인 게이지가 상기 힌지에 1개 부착되는 것을 특징으로 하는 저울
- 저울의 크립 보상 방법에 있어서,
스트레인 게이지가 부착된 로드셀 및 하중에 의한 상기 로드셀의 처짐 정도를 측정하기 위한 변위 센서를 마련하는 단계;
상기 변위 센서로부터 측정되는 변위 데이터와 상기 스트레인 게이지의 저항 변화를 동기화하여 상기 스트레인 게이지의 저항 변화로부터 크립 발생시점을 추정하는 단계;
상기 크립 발생 시점을 상기 변위 데이터에 적용하여 상기 변위 데이터로부터 상기 하중에 의한 변위량을 산출하는 단계를 포함하는 것을 특징으로 하는 저울의 크립 보상 방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160020583A KR20170098541A (ko) | 2016-02-22 | 2016-02-22 | 비접촉 변위 센서의 크립 보상 방법 및 이를 이용한 저울 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160020583A KR20170098541A (ko) | 2016-02-22 | 2016-02-22 | 비접촉 변위 센서의 크립 보상 방법 및 이를 이용한 저울 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20170098541A true KR20170098541A (ko) | 2017-08-30 |
Family
ID=59760662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020160020583A Ceased KR20170098541A (ko) | 2016-02-22 | 2016-02-22 | 비접촉 변위 센서의 크립 보상 방법 및 이를 이용한 저울 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20170098541A (ko) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102167080B1 (ko) * | 2019-05-31 | 2020-10-16 | 아주대학교산학협력단 | 축대칭형 중량측정장치 |
| CN113694305A (zh) * | 2021-09-01 | 2021-11-26 | 深圳市冠辰科技有限公司 | 称重传感动态补偿方法、装置、介质及电子设备 |
| KR20240073553A (ko) * | 2022-11-18 | 2024-05-27 | 한국전자기술연구원 | 나노 스트레인 센서를 이용한 로드 셀 구조 |
-
2016
- 2016-02-22 KR KR1020160020583A patent/KR20170098541A/ko not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102167080B1 (ko) * | 2019-05-31 | 2020-10-16 | 아주대학교산학협력단 | 축대칭형 중량측정장치 |
| CN113694305A (zh) * | 2021-09-01 | 2021-11-26 | 深圳市冠辰科技有限公司 | 称重传感动态补偿方法、装置、介质及电子设备 |
| KR20240073553A (ko) * | 2022-11-18 | 2024-05-27 | 한국전자기술연구원 | 나노 스트레인 센서를 이용한 로드 셀 구조 |
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