EP2005124A1 - Dispositif de contrôle de compteurs à eau - Google Patents

Dispositif de contrôle de compteurs à eau

Info

Publication number
EP2005124A1
EP2005124A1 EP07722121A EP07722121A EP2005124A1 EP 2005124 A1 EP2005124 A1 EP 2005124A1 EP 07722121 A EP07722121 A EP 07722121A EP 07722121 A EP07722121 A EP 07722121A EP 2005124 A1 EP2005124 A1 EP 2005124A1
Authority
EP
European Patent Office
Prior art keywords
measuring
water
button
water meter
balance
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.)
Withdrawn
Application number
EP07722121A
Other languages
German (de)
English (en)
Inventor
Werner Neumann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Neumann&co Wasserzahler Glaubitz GmbH
Original Assignee
Neumann&co Wasserzahler Glaubitz GmbH
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 Neumann&co Wasserzahler Glaubitz GmbH filed Critical Neumann&co Wasserzahler Glaubitz GmbH
Publication of EP2005124A1 publication Critical patent/EP2005124A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G01F25/14—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using a weighing apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G01F25/17—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using calibrated reservoirs

Definitions

  • the invention relates to a device for testing a water meter.
  • test case devices for testing water meters contain a fixed comparison counter. It contains an impeller counter and a series-connected dummy housing into which a measuring capsule to be tested can be inserted. Adapters for connection to the faucet are available as an accessory, the perlator must be time-consuming unscrewed. An inlet and an outlet for the hose connection are attached to the front of the case. Before use, however, the comparison counter must be time-consuming calibrated on a test bench. The measurement deviations are recorded as correction values.
  • comparison meters as reference devices have error limits that can match those of the water meter and thus are ultimately inaccurate.
  • start-up of the water meter can not be determined exactly.
  • the invention has for its object to provide a device for testing water meters, which is designed so suitable that a statement about the condition and quality of the tested water meter can be made by a determination of parameters. In addition, it should be ensured that the measurement error of water meters in the installed state can be determined much more accurate.
  • the device for testing water meters consists of a removable o- beren panel, a lower part and a removable lower panel and includes a measuring device and a Messwertkars worn, the upper panel is hinged to the base hinged and releasably attached, the central part of the measuring device a scale whose balance platform is installed on a menu of the lower part, wherein the balance can be calibrated with a control weight present in the lower part, wherein a measuring container can be placed on the scale platform, wherein an attached over the edge of the measuring container, separate from the measuring container, curved inlet pipe is present as an extended connecting line to the water meter above the measuring container ending, wherein the inlet pipe has a demarcation standard with sight line and the input side with a control valve, operated by a connected control electronics t is associated with the control electronics, a thermometer for Tempe- raturer charged the water is associated with signaling technology, wherein at a predetermined flow measuring the volume of the water flowing
  • the computer includes a watertight temperature distribution or table stored and may be integrated into the lid or base or also connectable to an on-menu interface. - A -
  • a leveling device with at least one adjusting device for the horizontal alignment of the measuring device or the device as well as a display and an operating terminal are arranged.
  • An associated power supply for all electronic and electrical components and components is installed independently of the network by means of a rechargeable battery.
  • thermometer is provided in the measuring device, with which the temperature of the water is detected, wherein preferably carried out an infrared reading and a signaling connection to the control electronics can exist.
  • connection adapter for connecting the measuring device is provided on an intended line of the water meter.
  • the control weight is used in conjunction with the calibration device to calibrate the balance.
  • the sighting line serves to control the air bubble portion of the water flowing through and has a demarcation standard which serves to tear off the water into the measuring tank at a defined point within the sighting distance.
  • the measuring container is dimensioned such that, with its opening facing downwards, it can simultaneously serve as a cover for the balance and generally as a transport safety device.
  • the measured value processing device optionally has a reading device which scans the volume meter readings of the water meter.
  • the connection adapter and other connecting elements for connecting the measuring device to the water meter to be tested are integrated components of the measured value processing device, which still includes the computer and other supply and signal lines.
  • the measuring container can carry a thermal insulation layer, whereby the measurement and the test can also be carried out with water of different temperature (hot, cold).
  • buttons may be located on the menu, in particular a vent button, a "START” button, a “STOP” button, a measurement time button and a “TARE” button.
  • the menu of the lower part may be formed inclined in the display for better operation and view forward.
  • the inlet pipe may be formed arcuate in its free end, so that its inlet end is arranged in the erected state of the feed pipe above the measuring container.
  • the rechargeable via a charging socket accumulator represents the power supply of the measuring device, with an on / off button a circuit for the balance with the connected control terminal and the display, for a timer device (English, timer) for setting the measuring time of the water flow and for the Served control valve, taking in front of the entrance to the circuit for operating the A voltage converter is connected, wherein the timer device is connected both to the measuring time setting switch and to the "START" button and the "STOP" button, and the circuit-related vent button is in direct communication with the control valve.
  • the filling of the measuring container can be started and stopped via the control electronics.
  • the control valve may be magnetically switchable or controllable by a drive.
  • the advantage of the device according to the invention is also that the measurement error of water meters in the installed state can be determined with an accuracy of ⁇ 1%.
  • FIG 1 is an illustration of the device according to the invention in the open operating state
  • Fig. 2 is an illustration of the device in the open transport state of FIG.
  • 3 is an illustration of the device in front view
  • 4 is an illustration of the device in plan view
  • Fig. 5 is a hydraulic diagram of the device
  • Fig. 6 is a part of an electrical scheme within the device.
  • FIGS. 1 and 2 are considered together.
  • a device 1 for testing a water meter 6 is shown, which is designed as a suitcase and opened in the operating state. 2 shows a representation of the device in the open transport state.
  • the device 1 consists of a removable cover 16 as upper cover, a lower part 2 and a removable bottom 3 as lower cover and contains a measuring device 23 and a Messwertkars pain 41, wherein the lid 16 is hinged by hinges on the lower part 2 and also releasably attached, wherein the central part of the measuring device 23 is a balance 10 whose scale platform
  • the balance 10 can be calibrated with a present in the lower part 2 control weight 14, wherein on the balance platform 18, a measuring container 9 can be placed, with an attachable over the edge of the measuring container 9, from Measuring container 9 separate, curved inlet pipe
  • the inlet pipe 19 has a demarcation standard with sight line 8 and the input side with a control valve 31 which is actuated by a connected control electronics 11, is connected, wherein the control electronics 11 is a thermometer 13 is associated with the temperature detection of the water signal technically, wherein at a predetermined flow measuring time, the volume of the water flowing into the measuring container 9 can be determined from the weight measured by means of the balance 10, and the central part of the measured value processing means 41 is a computer 24, the programmatic means with which the comparison between the volume measured by means of the measuring device 23 and the volume of the water meter 6 displayed at the water meter 6 at the beginning and at the end of the measurement carried out can be calculated.
  • the computer 24 may be connectable to an interface 15 located on the menu 21 and contains a watertemperature-temperature distribution or table which is used to determine the volume in the measuring container 9.
  • At least one leveling device 4 and an adjusting device 5 for horizontal alignment of the measuring device 23 or the device 1 and a display 17 and an operating terminal 30 can be arranged.
  • the associated power supply for all electronic and electrical modules and components takes place independently of the network by means of a rechargeable accumulator 12.
  • thermometer 13 With the thermometer 13, the temperature of the water is detected.
  • the measured value processing device 41 can optionally have a reading device 42 scanning the volume counter readings of the water meter 6.
  • connection adapter 7 may be provided to easily connect the measuring device 23 can.
  • the adjusting device 5 is connected to the balance 10 and the control weight 14 correspondingly and thus allows monitoring of the accuracy of the adjustment of the scale 10th
  • the sighting line 8 serves to control the air bubble portion of the water flowing through and has a demarcation standard, which serves to tear off the flow of water into the measuring container 9 at a defined point within the sighting line 8.
  • the measuring container 9 also serves as a cover of the balance 10 and transport protection.
  • connection adapter 7 and other connecting elements - e.g. a hose line 36 - for connection of the measuring device 23 to the water meter to be tested 6 in the installed state are integrated components of Meßwert GmbHs- device 41, to which the computer 24 and other supply and signal lines belong.
  • the program-technical means of the computer 24 essentially relate not only to the calculation of the measurement error of the water meter 6 but also the flow rate.
  • the measuring container 9 can carry a thermal insulation layer, whereby the measurement and the test can be carried out with hot water.
  • hose lines 36 which are provided for connection between the tap 37 and the water connection 22, may be located.
  • a vent button 25 a "START” button 27, a "STOP” button 26, a measuring time button adjuster 28, a "TARA” button 29.
  • Fig. 3 is a schematic representation in front view of the essential components of the measuring device 23 in the operating state, ie shown in the connection state on site in the water meter 6, wherein the menu 21 of the lower part. 2 is formed in the region of the display 17 beveled forward.
  • the water connection 22 is attached laterally, to which the control valve 31 is arranged downstream, with the feed pipe 19 being subsequently connected.
  • the control valve 31 is arranged downstream, with the feed pipe 19 being subsequently connected.
  • two hinges 32 and 33 Immediately after the control valve 31 are two hinges 32 and 33, so that the inlet pipe 19 can be inserted into both a recess 34 of the lower part 2 as well as from this position can be erected.
  • the inlet pipe 19 is arc-shaped in its end region, so that the inlet end 20 is arranged in the erected state of the feed pipe 19 above the measuring container 9.
  • the balance 10 is located in the lower part 2, wherein the measuring container 9 is placed on the above scale platform 18.
  • the display 17 is electrically connected to the scale 10 and to the control electronics 11 arranged next to it.
  • the measuring device 23 is shown in plan view in a schematic representation.
  • the feed pipe 19 is pivoted by means of the rotary hinges 32,33 and introduced into the recess 34 incorporated in the lower part 2.
  • the display 17 in the front part of the menu 21 is located in an operating terminal 30.
  • the connection adapter 7 can be stored in the area next to the control weight 14 and the leveling device 4.
  • the measuring container 9 is slipped in the transport state with its opening down over the scale 10.
  • Fig. 5 the hydraulic diagram of the measuring device 23 is shown.
  • the outlet valve 37 is connected, which is led to the water connection 22 with a hose line 36.
  • the magnetically switchable control valve 31 After the magnetically switchable control valve 31, the pipe path to the inlet pipe 19 and the demarcation standard with sight line 8 to the inlet end 20.
  • the inlet end 20 is located above the measuring tank 9.
  • the menu 21 includes the "START” button 27, the "STOP" button 26 and the vent button 25th In Fig. 6, a part of the electrical scheme of the measuring device 23 is shown.
  • the rechargeable via the charging socket 35 accumulator 12 ensures the power supply of the measuring device 23.
  • the circuit for the scale 10 is operated with the connected operating terminal 30 and the display 17, for the timer device 40 for setting the measuring time of the water flow and for the magnetically switchable control valve 31.
  • a voltage converter 38 is connected before the entrance into the circuit for operating the scale 10.
  • the timer device 40 is connected to both the measuring time setting switch 28 and the "START" button 27 and the "STOP" button 26 and the control valve 31.
  • the vent button 25 is in direct communication with the control valve 31.
  • the control valve 31 may also be driven by a drive, e.g. Engine be designed controllable.
  • the control electronics 11 is designed in conjunction with the display 17, the timer device 40 and the interface 15 such that all measured values can be transferred to the connected computer 24, whereby all settings and switching functions for measuring by the computer 24 by associated further program-technical means and testing can be made.
  • the water meter 6 Via the water meter 6 and subsequently via the connection adapter 7, the water reaches the demarcation standard with sight line 8 into the measuring container 9, which stands on a balance 10 with a display 17 and an operating terminal 30.
  • the control electronics 11 with the connected control valve 31 opens and closes the control valve 31 after preselected and set measuring times.
  • the functioning of the measuring device 23 according to the invention is based on the weighing of a water meter 6 to be tested at a defined throughput. flow rate and on the calculation of the volume from this amount taking into account the temperature-dependent water density. From the calculated water volume value of the measuring container 9 and from the meter reading volume values at the beginning and at the end of the measurement to be tested - the difference is the determined volume value of the water meter 6 - the measuring error of the water meter 6 to be tested is calculated.
  • thermometer 13 After automatically switching off the water flow, measure the temperature of the water using a thermometer 13,
  • the invention makes it possible that the water meter 6 can be tested in the installed state and thus on site.
  • the invention opens up the possibility that with the specified device also the start, starting at zero of the count of the water meter 6, and essentially the associated measurement error of the water meter 6 is determined and thus an exact statement on the qualitative state of the water meter 6 can be made , LIST OF REFERENCE NUMBERS

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

L'invention concerne un dispositif (1) de contrôle de compteurs à eau (6), comprenant une enveloppe supérieure amovible (16), une partie inférieure (2), et une enveloppe inférieure amovible (3), et renfermant un dispositif de mesure (23) et un dispositif de traitement de la valeur de mesure (41). L'enveloppe supérieure (16) est relevable au moyen de charnières prévues à la partie inférieure (2) et est fixée amovible. La partie centrale du dispositif de mesure (23) est une balance (10) dont la plate-forme (18) est installée sur un menu (21) de la partie inférieure (2). La balance (10) peut être étalonnée au moyen d'une masse témoin (14). Un récipient de mesure (9) peut être mis en place sur la plate-forme (18) de la balance, cependant qu'un conduit tubulaire d'amenée (19), incurvé, séparé du récipient de mesure (9), pouvant être placé au-dessus du bord du récipient de mesure (9) se termine, en tant que conduit de raccordement prolongé, vers le compteur à eau (6), au-dessus du récipient de mesure (9), ledit conduit tubulaire d'amenée (19) présentant un standard de délimitation avec ligne de visée (8) et étant raccordé, côté entrée, avec une soupape de commande (31) qui est actionnée par une électronique de commande associée (11). Un thermomètre (13) destiné à détecter la température de l'eau est associé, en technique de signal, à l'électronique de commande (11). Pour un temps de mesure de débit prédéterminé, le volume de l'eau s'écoulant dans le récipient de mesure (9) peut être déterminé à partir du poids mesuré par la balance (10), et la partie centrale du dispositif de traitement de la valeur de mesure (41) est un ordinateur (24), équipé de moyens techniques de programmation, grâce auxquels, par comparaison entre le volume mesuré au moyen du dispositif de mesure (23), et le volume indiqué, au compteur à eau (6), au début et à la fin de la mesure effectuée, l'erreur de mesure du compteur à eau (6) peut être calculée.
EP07722121A 2006-04-03 2007-03-23 Dispositif de contrôle de compteurs à eau Withdrawn EP2005124A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202006005351 2006-04-03
DE202006014631U DE202006014631U1 (de) 2006-04-03 2006-09-14 Vorrichtung zum Prüfen von Wasserzählern
PCT/DE2007/000563 WO2007112725A1 (fr) 2006-04-03 2007-03-23 Dispositif de contrôle de compteurs à eau

Publications (1)

Publication Number Publication Date
EP2005124A1 true EP2005124A1 (fr) 2008-12-24

Family

ID=37576170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07722121A Withdrawn EP2005124A1 (fr) 2006-04-03 2007-03-23 Dispositif de contrôle de compteurs à eau

Country Status (3)

Country Link
EP (1) EP2005124A1 (fr)
DE (2) DE202006014631U1 (fr)
WO (1) WO2007112725A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106996818A (zh) * 2017-05-08 2017-08-01 山东积成仪表有限公司 一种水表全自动激光采集校验台

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CN102680056B (zh) * 2012-04-28 2013-09-25 宁波市埃美仪表制造有限公司 高精度水表串联校验台及其自动校验方法
CN103278330A (zh) * 2013-04-24 2013-09-04 北京航天试验技术研究所 一种姿轨控发动机试验平台推进剂流量比对测量系统
CN104236679B (zh) * 2013-06-13 2017-09-15 上海工程技术大学 一种小型机械式水表智能测试装置
CN103335693A (zh) * 2013-06-14 2013-10-02 北京聚雅科技有限公司 质量法加油机检定装置
CN103674190B (zh) * 2013-12-16 2017-02-15 聊城市计量测试所 用质量法标定lng加气机检定装置的装置及方法
CN106052813A (zh) * 2016-08-15 2016-10-26 安徽翼迈科技股份有限公司 一种水表标定测试设备
CN111856067B (zh) * 2020-08-03 2023-03-24 山东积成仪表有限公司 一种水表高效率调速式测试装置
CN112197955B (zh) * 2020-10-30 2022-03-29 中国石油集团渤海钻探工程有限公司 脉冲发生器控制阀性能测试装置及其测试方法
CN115096409B (zh) * 2022-06-09 2024-06-14 北京方胜有成科技股份有限公司 一种采集设备示数校准方法

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US2631451A (en) * 1950-05-29 1953-03-17 Ford Meter Box Company Inc Water meter tester
US3641806A (en) * 1970-09-02 1972-02-15 Washington Suburban Sanitary C Testing device for water meter registering units
US4945754A (en) * 1989-07-18 1990-08-07 Washington Suburban Sanitary Commission Test water meter with digital display
FI114739B (fi) * 2003-04-17 2004-12-15 Pertti Tuunanen Kenttätestausmenetelmä ja -laite kaukolämpömittarin tarkistamiseksi

Non-Patent Citations (1)

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Title
See references of WO2007112725A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106996818A (zh) * 2017-05-08 2017-08-01 山东积成仪表有限公司 一种水表全自动激光采集校验台

Also Published As

Publication number Publication date
DE202006014631U1 (de) 2006-12-21
WO2007112725A1 (fr) 2007-10-11
DE112007001353A5 (de) 2009-03-05

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