CN107490409B - 一种户用超声波水表防错波改进方法 - Google Patents
一种户用超声波水表防错波改进方法 Download PDFInfo
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- CN107490409B CN107490409B CN201710673423.3A CN201710673423A CN107490409B CN 107490409 B CN107490409 B CN 107490409B CN 201710673423 A CN201710673423 A CN 201710673423A CN 107490409 B CN107490409 B CN 107490409B
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- wave
- threshold value
- lambda
- water meter
- ultrasonic water
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- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 238000010586 diagram Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Classifications
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measuring Volume Flow (AREA)
Abstract
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CN201710673423.3A CN107490409B (zh) | 2017-08-09 | 2017-08-09 | 一种户用超声波水表防错波改进方法 |
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CN201710673423.3A CN107490409B (zh) | 2017-08-09 | 2017-08-09 | 一种户用超声波水表防错波改进方法 |
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CN107490409A CN107490409A (zh) | 2017-12-19 |
CN107490409B true CN107490409B (zh) | 2020-07-21 |
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CN201710673423.3A Active CN107490409B (zh) | 2017-08-09 | 2017-08-09 | 一种户用超声波水表防错波改进方法 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109612541B (zh) * | 2018-12-07 | 2020-06-26 | 天津商业大学 | 一种气体超声波流量计的防错波信号处理电路 |
CN109632024B (zh) * | 2018-12-17 | 2020-10-16 | 杭州晶锐仪器仪表有限公司 | 一种结合幅度与脉宽调制的超声波控制方法 |
CN109782024B (zh) * | 2018-12-29 | 2020-11-17 | 杭州先锋电子技术股份有限公司 | 基于定态参数进行波数判断的超声波燃气表防计量错误方法 |
CN112284468A (zh) * | 2020-09-25 | 2021-01-29 | 湖南常德牌水表制造有限公司 | 一种大口径超声波水表流量测量的补偿方法及其补偿装置 |
CN113008337A (zh) * | 2021-03-04 | 2021-06-22 | 宁波水表(集团)股份有限公司 | 一种减小超声水表流道结垢引起测量误差的方法以及系统 |
CN115993158B (zh) * | 2023-02-24 | 2023-08-22 | 北京安超微电子有限公司 | 一种用于超声波流量计量装置的首波检测阈值设定方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2509595A1 (de) * | 1975-03-05 | 1976-09-16 | Deutsch Franz Forsch Inst | Verfahren zur auswertung periodischer elektronischer signale unterschiedlicher dauer, frequenz, amplitude und unterschiedlicher folge |
CN102889910B (zh) * | 2012-11-05 | 2014-06-04 | 中环天仪股份有限公司 | 一种防错波干扰的超声波流量仪表电路系统 |
CN103630174B (zh) * | 2013-12-07 | 2016-04-13 | 重庆前卫科技集团有限公司 | 一种超声波流量计的流量测量方法 |
CN104316120B (zh) * | 2014-10-28 | 2017-12-05 | 姜跃炜 | 用于高精度超声波流量表的流量检测方法及系统 |
CN104949724B (zh) * | 2015-07-10 | 2017-11-21 | 安徽水联水务科技有限公司 | 超声波计量仪表的动态计量方法 |
CN106706050B (zh) * | 2015-08-10 | 2019-03-19 | 杭州思筑智能设备有限公司 | 一种利用超声波流量计测量气体流量的方法 |
CN105628115B (zh) * | 2015-12-30 | 2018-11-02 | 浙江大学 | 一种应用于时差式超声波流量计的脉冲噪声滤除方法 |
KR101630301B1 (ko) * | 2015-12-31 | 2016-06-14 | (주) 다인레벨 | 자기왜곡방식의 거리측정을 이용한 테이퍼관형 면적식 유량계 |
CN105890685B (zh) * | 2016-06-28 | 2018-12-18 | 电子科技大学 | 一种基于累积相位差的超声波流量测量装置 |
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Denomination of invention: An improved method for preventing wrong wave of household ultrasonic water meter Effective date of registration: 20220615 Granted publication date: 20200721 Pledgee: Shenyang Shengjing Financing Guarantee Co.,Ltd. Pledgor: Shuifa hangyuxing IOT Technology (Liaoning) Co.,Ltd. Registration number: Y2022210000068 |
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