公开(公告)号：KR1020130109483A

公开(公告)日：2013-10-08

申请号：KR1020120031233

申请日：2012-03-27

Applicant: 한국표준과학연구원

Inventor： 강웅 ,  최용문 ,  최해만 ,  이생희

IPC: G01F1/68 ,  G01F1/692

Abstract: PURPOSE: A thermal mass flow sensor is provided to irregularly form intervals of each thermocouple forming a thermopile and a heating unit so that precise measurement sensitivity within a wide flow rate range is obtained. CONSTITUTION: A thermal mass flow sensor includes a thin film (210), a heating unit (220), and first and second thermopiles (231, 232). The heating unit is formed on the thin film. The first and second thermopiles connect the thermocouples on the upper and lower streams of the heating unit in a row. Intervals of each thermocouple and the heating unit are irregularly formed so that the first and second thermopiles improve measurement sensitivity regardless of flow rate range.

Abstract translation: 目的：提供热质量流量传感器以不规则地形成形成热电堆和加热单元的每个热电偶的间隔，从而获得在宽流量范围内的精确测量灵敏度。 构成：热质量流量传感器包括薄膜（210），加热单元（220）和第一和第二热电堆（231,232）。 加热单元形成在薄膜上。 第一和第二热电堆连续地将加热单元的上部和下部流的热电偶连接起来。 每个热电偶和加热单元的间隔不规则地形成，使得第一和第二热电堆提高测量灵敏度，而与流量范围无关。

公开(公告)号：KR102259295B1

公开(公告)日：2021-06-02

申请号：KR1020200030168

申请日：2020-03-11

Applicant: 한국표준과학연구원

Inventor： 강웅 ,  백운봉 ,  이생희 ,  신진우

IPC: G01F25/00 ,  F17C5/06 ,  F17C13/02

公开(公告)号：KR102021704B1

公开(公告)日：2019-09-11

申请号：KR1020180125394

申请日：2018-10-19

Applicant: 한국표준과학연구원

Inventor： 김용규 ,  양인석 ,  우상봉 ,  최병일 ,  이상욱 ,  강웅 ,  오연균 ,  김성훈 ,  박성종 ,  이영희

IPC: G01W1/18 ,  G01S19/14 ,  G01W1/08 ,  G01W1/02

公开(公告)号：KR101943635B1

公开(公告)日：2019-01-30

申请号：KR1020170012838

申请日：2017-01-26

Applicant: 한국표준과학연구원

Inventor： 이석환 ,  강웅

IPC: G01F1/684 ,  G01K13/02 ,  G01J5/08

公开(公告)号：KR101371373B1

公开(公告)日：2014-03-12

申请号：KR1020120134688

申请日：2012-11-26

Applicant: 한국표준과학연구원

Inventor： 전세종 ,  강웅 ,  권휴상

IPC: G01F1/66

Abstract: The present invention suggests an ultrasonic flow measuring method which calculation tomography improved in ultrasonic flow measurement is applied, and if using calculation tomography, linear flow rate distribution is converted to dot flow rate distribution thereby reducing deviation of a measurement value and a standard value. The ultrasonic flow measuring method of the present invention is a ultrasonic determination and comprises: a step of measuring a linear flow rate in a flow direction of fluid passing through a pipe inside; a step of converting the measured linear flow rate to linear flow rate distribution; a step of converting to dot flow rate distribution by applying the calculation tomography on the linear flow rate distribution; and a step of calculating cross section mean current velocity and a flow amount by integrating the dot flow rate distribution. [Reference numerals] (AA) Measuring the arrival time of ultrasonic waves; (BB) Calculating a linear flow rate; (S150) Converting to the linear flow rate distribution; (S160) Generating dot flow rate distribution; (S180) Calculating cross section average flow velocity and flow rate

Abstract translation: 本发明提出了应用超声波流量测量改进的计算层析成像的超声波流量测量方法，并且如果使用计算层析成像，则将线性流量分布转换为点流量分布，从而减少测量值和标准值的偏差。 本发明的超声波流量测量方法是超声波测定法，其特征在于，包括以下步骤：测定流过管内的流体的流动方向的线速度; 将测量的线性流量转换成线性流量分布的步骤; 通过对线性流量分布应用计算层析成像来转换为点流量分布的步骤; 以及通过积分点流量分布来计算横截面平均流速和流量的步骤。 （附图标记）（AA）测量超声波的到达时间; （BB）计算线性流量; （S150）转换为线性流量分布; （S160）生成点流量分布; （S180）计算截面平均流速和流量