CN109612541A - 一种气体超声波流量计的防错波信号处理电路 - Google Patents
一种气体超声波流量计的防错波信号处理电路 Download PDFInfo
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- CN109612541A CN109612541A CN201811491151.6A CN201811491151A CN109612541A CN 109612541 A CN109612541 A CN 109612541A CN 201811491151 A CN201811491151 A CN 201811491151A CN 109612541 A CN109612541 A CN 109612541A
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- 238000012545 processing Methods 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 230000009977 dual effect Effects 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
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- 238000005259 measurement Methods 0.000 abstract description 22
- 230000007704 transition Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 17
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- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
- G01F1/668—Compensating or correcting for variations in velocity of sound
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- Physics & Mathematics (AREA)
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CN201811491151.6A CN109612541B (zh) | 2018-12-07 | 2018-12-07 | 一种气体超声波流量计的防错波信号处理电路 |
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CN109612541B CN109612541B (zh) | 2020-06-26 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110146135A (zh) * | 2019-04-16 | 2019-08-20 | 艾特仪表科技(深圳)有限公司 | 一种超声波水表流量测量电路及测量方法 |
CN111256786A (zh) * | 2020-02-03 | 2020-06-09 | 天津大学 | 一种判断气体超声流量计双阈值触发错波的方法 |
CN112254870A (zh) * | 2020-09-30 | 2021-01-22 | 武汉德塞仪器仪表科技有限公司 | 一种高精度气体微压差表 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013255544A (ja) * | 2012-06-11 | 2013-12-26 | Panasonic Corp | 超音波診断装置 |
CN104880227A (zh) * | 2015-06-12 | 2015-09-02 | 天津大学 | 一种噪声背景下超声流量测量方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101769782B (zh) * | 2010-01-29 | 2011-08-31 | 中国农业科学院农田灌溉研究所 | 检测超声波渡越时间的方法及其装置 |
CN103389153B (zh) * | 2013-08-02 | 2015-01-14 | 浙江理工大学 | 一种利用二次反射波测量超声波渡越时间的电路 |
CN105300508B (zh) * | 2015-10-30 | 2018-05-01 | 北京控制工程研究所 | 一种超声波信号传播时间的双阈值检测电路及检测方法 |
CN107490409B (zh) * | 2017-08-09 | 2020-07-21 | 辽宁航宇星物联仪表科技有限公司 | 一种户用超声波水表防错波改进方法 |
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2018
- 2018-12-07 CN CN201811491151.6A patent/CN109612541B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013255544A (ja) * | 2012-06-11 | 2013-12-26 | Panasonic Corp | 超音波診断装置 |
CN104880227A (zh) * | 2015-06-12 | 2015-09-02 | 天津大学 | 一种噪声背景下超声流量测量方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110146135A (zh) * | 2019-04-16 | 2019-08-20 | 艾特仪表科技(深圳)有限公司 | 一种超声波水表流量测量电路及测量方法 |
CN111256786A (zh) * | 2020-02-03 | 2020-06-09 | 天津大学 | 一种判断气体超声流量计双阈值触发错波的方法 |
CN112254870A (zh) * | 2020-09-30 | 2021-01-22 | 武汉德塞仪器仪表科技有限公司 | 一种高精度气体微压差表 |
CN112254870B (zh) * | 2020-09-30 | 2022-07-05 | 武汉德塞仪器仪表科技有限公司 | 一种高精度气体微压差表 |
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Address after: No. 256-11, Huitong Street, Ganjingzi District, Dalian, Liaoning 116091 Patentee after: Li Zhuo Address before: 116000 No. 1-5-2, No. 37, Spring H1 District, Ganjingzi District, Dalian City, Liaoning Province Patentee before: Li Zhuo |
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Effective date of registration: 20230118 Address after: No. 8, 3rd Road, Bonded Port Area, Dalian Free Trade Zone, Liaoning 116602 Patentee after: Hengke Instrument (Dalian) Co.,Ltd. Address before: No. 256-11, Huitong Street, Ganjingzi District, Dalian, Liaoning 116091 Patentee before: Li Zhuo |
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Address after: No. 188-2, Haiming Road, Shilibao Street, Dalian Free Trade Zone, Liaoning 116102 Patentee after: Hengke Instrument (Dalian) Co.,Ltd. Address before: No. 8, 3rd Road, Bonded Port Area, Dalian Free Trade Zone, Liaoning 116602 Patentee before: Hengke Instrument (Dalian) Co.,Ltd. |
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