WO2020200009A1 - Système intelligent de mesure anti-interférence de compteur à gaz - Google Patents

Système intelligent de mesure anti-interférence de compteur à gaz Download PDF

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Publication number
WO2020200009A1
WO2020200009A1 PCT/CN2020/081140 CN2020081140W WO2020200009A1 WO 2020200009 A1 WO2020200009 A1 WO 2020200009A1 CN 2020081140 W CN2020081140 W CN 2020081140W WO 2020200009 A1 WO2020200009 A1 WO 2020200009A1
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WO
WIPO (PCT)
Prior art keywords
light
module
gas meter
metering system
mcu
Prior art date
Application number
PCT/CN2020/081140
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English (en)
Chinese (zh)
Inventor
王滨滨
刘金梁
胡莽
狄鹏
汪培春
彭学枝
陆从杭
Original Assignee
上海飞奥燃气设备有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 上海飞奥燃气设备有限公司 filed Critical 上海飞奥燃气设备有限公司
Publication of WO2020200009A1 publication Critical patent/WO2020200009A1/fr

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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
    • 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
    • G01F15/06—Indicating or recording devices
    • 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
    • G01F15/18—Supports or connecting means for meters

Definitions

  • This application relates to the field of data acquisition and measurement in instrumentation, for example, to an anti-interference measurement system for a smart gas meter.
  • the measurement data collection in household smart gas meters mainly uses photoelectric or magnetic induction methods to convert mechanical character wheel information into digital information, and display it on the LCD (Liquid Crystal Display) screen.
  • the mechanical character wheel The accumulator is an indispensable device. This method has the following problems:
  • the cost is high.
  • the cost of a photoelectric accumulator accounts for almost 1/4 of the entire intelligent control part.
  • the anti-interference ability is weak.
  • the photoelectric accumulator is sensitive to strong external light, while the reed switch and Hall accumulator are sensitive to strong magnetic interference. Therefore, these two types of accumulators are prone to errors when interference occurs.
  • the reliability is not high.
  • the mechanical watch transmits the gas consumption information to the word wheel counter through gear transmission. In the process of long-term use, if the gear is severely worn or even out of gear, the entire metering system will not work.
  • the application provides an anti-interference metering system for an intelligent gas meter, which adopts non-contact light sensing counting, has high reliability, can prevent strong magnetic interference, and has low cost.
  • This application provides an anti-interference metering system for a smart gas meter, which includes a housing, an output device, and a turntable, a light emitting module, a photosensitive module, and an MCU arranged in the housing; the turntable is configured to pass through a
  • the rotating shaft is coaxially connected with the transmission shaft of the counter of a mechanical gas meter; the rotating disk forms a light-transmitting hole, the light emitting module and the photosensitive module are respectively arranged on both sides of the rotating disk, and the light emitting module and the
  • the photosensitive module is arranged coaxially, the light transmission hole can be rotated with the turntable between the light emitting module and the photosensitive module; the light emitting module and the photosensitive module are electrically connected to the MCU; the output device Connect to the MCU.
  • Figure 1 is a schematic structural diagram of an anti-interference metering system for a smart gas meter provided by an embodiment of the application.
  • an anti-interference metering system for a smart gas meter includes a casing 2, an output device 21, a turntable 22, a light emitting module 23, a photosensitive module 24, and an MCU (microprocessor) arranged in the casing 2.
  • the turntable 22 is coaxially connected to the drive shaft of the counter of the mechanical gas meter 1 through the rotating shaft 3; the turntable 22 is formed with a light-transmitting hole 221, and the light-emitting module 23 and the photosensitive module 24 are respectively arranged in Both sides of the turntable 22 and the light emitting module 23 and the photosensitive module 24 are arranged coaxially, the light transmission hole 221 can be rotated with the turntable 22 to a position between the light emitting module 23 and the photosensitive module 24; the light emitting module 23 and the photosensitive module 24 are electrically connected to the MCU 25 respectively Connection; output device 21 is connected to MCU25.
  • non-contact light sensing counting is realized.
  • the drive shaft of the counter of the mechanical gas meter 1 will drive the turntable 22 to rotate, thereby
  • the light emitted by the light-emitting module 23 periodically passes through the light-transmitting hole 221 to generate a periodic pulse signal.
  • the photosensitive module 24 receives the pulse signal and sends it to the MCU 25.
  • the MCU 25 can obtain the gas metering information by calculating the pulse signal.
  • the reliability is high, and strong magnetic interference can be eliminated, and the cost is low.
  • the closed design of the housing 2 can prevent the interference of strong external light and improve the accuracy of measurement.
  • the first end of the rotating shaft 3 is vertically fixed to the middle of the turntable 22, and the second end of the rotating shaft 3 is coaxially fixedly connected with the transmission shaft of the counter of the mechanical gas meter 1.
  • the output device 21 includes a display, which is fixed outside the housing 2 and electrically connected to the MCU 25, and the display is configured to display gas metering information calculated by the MCU 25.
  • the photosensitive module 24 includes a photosensitive diode, and the model of the photosensitive diode may be PT204B.
  • the light emitting module 23 includes a light emitting diode, and the model of the light emitting diode may be 202QRC.
  • the anti-interference metering system for the smart gas meter in this embodiment further includes a wireless module 27 and a flash memory module 26.
  • the wireless module 27 is electrically connected to the MCU 25 and is in communication connection with the gas background server.
  • the flash memory module 26 is connected to the MCU 25.
  • the model of the flash memory module 26 may be AT25DF041B.
  • the wireless module 27 includes a full Netcom module, and the model of the full Netcom module may be NB86-G.
  • this application provides a hardware basis for non-contact light sensing counting, with high reliability, preventing strong magnetic interference, and low cost.
  • the closed design of the shell can prevent the interference of strong external light and improve the accuracy of measurement.
  • the display is used to display the gas metering information calculated by the MCU.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

La présente invention concerne un système intelligent de mesure anti-interférence de compteur à gaz. Le système intelligent de mesure anti-interférence de compteur à gaz comprend une coque (2), un dispositif de sortie (21) et un disque rotatif (22), un module d'émission de lumière (23), un module de détection de lumière (24) et un MCU (25) disposés à l'intérieur de la coque, le disque rotatif étant conçu pour être en connexion de transmission coaxiale avec un arbre de transmission d'un compteur d'un compteur à gaz mécanique par l'intermédiaire d'un arbre rotatif; le disque rotatif forme un trou de transmission de lumière (221), le module d'émission de lumière et le module de détection de lumière sont respectivement disposés sur deux côtés du disque rotatif et sont agencés de manière coaxiale, et le trou de transmission de lumière peut tourner avec le disque rotatif vers une position située entre le module d'émission de lumière et le module de détection de lumière; le module d'émission de lumière et le module de détection de lumière sont respectivement connectés électriquement au MCU; et le dispositif de sortie est connecté au MCU.
PCT/CN2020/081140 2019-04-01 2020-03-25 Système intelligent de mesure anti-interférence de compteur à gaz WO2020200009A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910257154.1A CN109883500A (zh) 2019-04-01 2019-04-01 智能燃气表抗干扰计量系统
CN201910257154.1 2019-04-01

Publications (1)

Publication Number Publication Date
WO2020200009A1 true WO2020200009A1 (fr) 2020-10-08

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PCT/CN2020/081140 WO2020200009A1 (fr) 2019-04-01 2020-03-25 Système intelligent de mesure anti-interférence de compteur à gaz

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CN (1) CN109883500A (fr)
WO (1) WO2020200009A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109883500A (zh) * 2019-04-01 2019-06-14 上海飞奥燃气设备有限公司 智能燃气表抗干扰计量系统
CN113670397B (zh) * 2021-08-11 2024-06-04 上海飞奥燃气设备有限公司 高精度微流量监测无线远传膜式燃气表

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CN202938867U (zh) * 2012-12-20 2013-05-15 宁波宇宏电气有限公司 水表计数装置
CN105118259A (zh) * 2015-08-20 2015-12-02 成都弘毅天承科技有限公司 一种基于Wi-Fi的智能家居防窃气燃气表抄表系统
WO2017152315A1 (fr) * 2016-03-05 2017-09-14 马骏 Nouveau codeur photoélectrique sur la base de technologie de communication sans fil
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CN103065448A (zh) * 2012-12-20 2013-04-24 宁波宇宏电气有限公司 水表远程抄表方法、系统及智能水表
CN104035794A (zh) * 2014-06-03 2014-09-10 瑞斯康达科技发展股份有限公司 一种实现逻辑器件固件升级的方法及装置
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