CN102680058A - Movable liquid flux standard device adopting mass method - Google Patents

Movable liquid flux standard device adopting mass method Download PDF

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Publication number
CN102680058A
CN102680058A CN2012101611766A CN201210161176A CN102680058A CN 102680058 A CN102680058 A CN 102680058A CN 2012101611766 A CN2012101611766 A CN 2012101611766A CN 201210161176 A CN201210161176 A CN 201210161176A CN 102680058 A CN102680058 A CN 102680058A
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water
container
mass method
fluid flow
valve
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CN2012101611766A
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CN102680058B (en
Inventor
陈超
梁艳争
姚新红
沈琼
张进明
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Shanghai Institute of Measurement and Testing Technology
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Shanghai Institute of Measurement and Testing Technology
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Priority to CN201210161176.6A priority Critical patent/CN102680058B/en
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Abstract

The invention relates to a movable liquid flux standard device adopting a mass method and belongs to the field of flux detection. The movable liquid flux standard device adopting the mass method comprises an electronic balance, a water-holding container and a water supply tank, and is characterized in that the water supply tank is connected with a water inlet of a variable frequency pump; a water outlet of the variable frequency pump is connected with a pipeline system; a non-return valve is arranged on the pipeline system; a filter is arranged behind the non-return valve; a transition container is arranged behind the filter; a temperature transmitter and a pressure transmitter are arranged on the transition container; a variable-diameter installation station of a detected flux meter is arranged behind the transition container; a meter clamping device is connected to the back of the variable-diameter installation station; a flux adjusting valve is connected to the back of the meter clamping device; a tee is arranged behind the flux adjusting valve; water from one path of the tee flows back to the water supply tank, and another path is connected to a water outlet; the water outlet is arranged over the water-holding container on the electronic balance; a water discharging valve is arranged at the bottom of the water-holding container and the water flows back to the water supply tank.

Description

Packaged type mass method fluid flow standard set-up
Technical field
The present invention relates to the fluid flow standard set-up, relate in particular to packaged type mass method fluid flow standard set-up to low discharge.
Background technology
At present to the calibrating of liquid small flowmeter, mainly claim that with electronic scales the method for the cooperation that liquid quality and stopwatch are manual detects, this method personal error is big; Automaticity is low, and Measuring Time is long, and accuracy of measurement is not high; When especially measuring low discharge, problem is more outstanding.
And traditional fluid flow standard set-up volume is big, and for fixed not removable, the medium that uses is tap water, and water-mass density receives the impurity effect in the water, and density value is also unstable, and the accuracy of testing result is caused very adverse influence.
Summary of the invention
Technical matters to be solved by this invention provides packaged type mass method fluid flow standard set-up, solves existing fluid flow standard set-up and can not carry out on-site proving, the low defective of automaticity when low discharge detects.
Technical scheme
A kind of packaged type mass method fluid flow standard set-up comprises electronic balance and water container, it is characterized in that: also comprise water tank; Water tank links to each other with the water inlet of variable frequency pump, and the water delivering orifice connecting line system of variable frequency pump at first is provided with non-return valve on the pipe system; Be provided with filtrator behind the non-return valve, be used to purify water, transition container is installed behind the filtrator; Temperature transmitter and pressure unit are installed on the said transition container, the temperature and pressure of liquid in the signal piping system, but be provided with the reducing erector position that seized flowmeter is installed behind the transition container; But the reducing erector connects meter-clamping apparatus behind the position, and connection traffic variable valve behind the meter-clamping apparatus is provided with a threeway behind the flow control valve; A road of threeway directly is communicated with back water tank; Another road is connected to water delivering orifice, and said water delivering orifice connection is arranged on the water container on the electronic balance, and said water container bottom is provided with return pipe and is communicated with back water tank.
Further, but at said filtrator and install between the reducing erector position of seized flowmeter high precision mass flowmeter standard as a reference is installed.
Further; But entering water electromagnetic valve is installed before the reducing erector position of said installation liquid flowmeter to be detected; But behind entering water electromagnetic valve, increase a pipe system before the reducing erector position in addition; Said pipe system is provided with the installation station that tiny flow quantity liquid flowmeter to be detected is installed, and water delivering orifice and the corresponding water container on the electronic balance that is arranged on.
The water container bottom of a pipe system of said increase also is provided with return pipe and is communicated with back water tank.
Further; But said reducing erector position is employed in the middle shrinkage pool that has of flange at the two ends of immobile liquid flowmeter body; The variable footpath straight tube of coupling is installed in shrinkage pool, said variable footpath straight tube one end for flange in the middle of the shrinkage pool coupling and be fixed on the termination in the shrinkage pool, the other end is the straight tube of the diameter that requires to change; But be arranged in the straight length of centre of reducing erector position, the outer face of the termination of said variable footpath straight tube and the end face of flange are positioned at same plane.
Further, said flow control valve adopts the crosspointer valve, can carry out coarse adjustment and fine setting to flow.
Further, said water container is obliquely installed towards the return pipe of bottom, and return pipe is provided with water drain valve.
Water container is provided with towards return pipe inclination 10 degree.
Further, be outside equipped with fan housing at the water delivering orifice of said pipe system and water container and electronic balance.
Further, also comprise the casing of device, said water tank and pipe system all are arranged in the casing of said device, and the bottom half of said device is provided with shifting roller.
Beneficial effect
Packaged type mass method fluid flow standard set-up overall volume of the present invention is little, is fit to on-site proving, adopts the Automatic Cycle design, can realize automatic control survey, has improved precision; Realize that same set of device can use method of standard table and two kinds of methods of mass method that flowmeter is demarcated; Realize the seized flowmeter realization Fast Installation of same pipeline to different bores.
Description of drawings
Fig. 1 is a synoptic diagram of the present invention.
Fig. 2 detects schematic perspective view for single channel of the present invention.
But Fig. 3 locates the cross-sectional schematic of an end flanges for reducing erector position among the present invention.
Fig. 4 is the pipeline synoptic diagram of water delivering orifice among the present invention.
Wherein: 1-electronic balance, 2-water container, 3-water tank, 4-variable frequency pump, 5-non-return valve, 6-filtrator; The 7-transition container, 8-temperature transmitter, 9-pressure unit, but 10-reducing erector position, 11-meter-clamping apparatus, 12-flow control valve; The 13-threeway, the 14-water delivering orifice, 15-high precision mass flowmeter, the 16-entering water electromagnetic valve, 17-installs station; The 18-flange, the variable footpath of 19-straight tube, 20-fan housing, 21-casing, 22-shifting roller.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, further set forth the present invention.
Be the automaticity of the method flow detection that improves the quality, design a kind of packaged type mass method fluid flow standard set-up, comprise electronic balance 1 and water container 2; Also comprise water tank 3, water tank 3 links to each other with the water inlet of the variable frequency pump 4 of water delivery, the water delivering orifice connecting line system of variable frequency pump 4; At first be provided with non-return valve 5 on the pipe system, be provided with filtrator 6 behind the non-return valve 5, be used to purify water; Transition container 7 is installed behind the filtrator 6, temperature transmitter 8 and pressure unit 9 is installed, the temperature and pressure of liquid in the signal piping system on the said transition container 7; But be provided with the reducing erector position 10 that liquid flowmeter to be detected is installed behind the transition container 7; But 10 backs, reducing erector position connect meter-clamping apparatus 11, and meter-clamping apparatus 11 back connection traffic variable valve 12 are provided with a threeway 13 behind the flow control valve 12; One tunnel pipe system of threeway 13 directly is communicated with back water tank 3; Another road pipe system is connected to water delivering orifice 14, and said water delivering orifice 14 connections are arranged on the water container 2 on the electronic balance 1, and said water container 2 bottoms are provided with return pipe and are communicated with back water tank 3.
But between the reducing erector position 10 of said filtrator 6 and installation liquid flowmeter to be detected, high precision mass flowmeter 15 is installed as the comparison standard scales.
But before the reducing erector position 10 of said installation liquid flowmeter to be detected entering water electromagnetic valve 16 is installed; But behind entering water electromagnetic valve 16, increase a pipe system before the reducing erector position 10 in addition; Said pipe system is provided with the installation station 17 that tiny flow quantity liquid flowmeter to be detected is installed, and water delivering orifice and the corresponding water container on the electronic balance that is arranged on.
The water container bottom of a pipe system of said increase also is provided with return pipe and is communicated with back water tank 3.
But said reducing erector position 10 is employed in the flange 18 middle shrinkage pools that have at the two ends of immobile liquid flowmeter body; The variable footpath straight tube 19 of coupling is installed in shrinkage pool; Said variable footpath straight tube one end for flange in the middle of shrinkage pool coupling and be fixed on the termination in the shrinkage pool; The other end is the straight tube of the diameter that requires to change, but is arranged in the straight length of centre of reducing erector position 10, and the outer face of the termination of said variable footpath straight tube 19 and the end face of flange 18 are positioned at same plane.But the cross-sectional schematic that the structure details that an end flanges is located in concrete reducing erector position is seen accompanying drawing 2.
Said flow control valve 12 adopts the crosspointer valve, can carry out coarse adjustment and fine setting to flow, can realize the quick adjustment flow.
The return pipe of said water container 2 towards the bottom is obliquely installed, and water container 2 is provided with towards return pipe inclination 10 degree, can utilize the automatic draining of free flow of water; The double-layer clapboard design can be adopted in water container 2 inside; Perforate on the dividing plate, the bottom is communicated with, and neither influences flowing of water and can prevent sealing rocking in container again; Thereby can be steady as early as possible, make weighing results stable.
Water delivering orifice 14 in said pipe system is outside equipped with fan housing 20 with water container 2 and electronic balance 1.High-precision electronic balance 1 adopts the fan housing protection, improves the stability of balance, reduces the interior air-flow of testing environment to electronic balance and actuating medium influence of evaporation.
Also comprise crust of the device 21, said water tank 3 and pipe system all are arranged in the said crust of the device 21, and said crust of the device 21 bottoms are provided with shifting roller 22.
Mass method low discharge standard set-up is portable design, and overall volume is little, is fit to on-site proving.Calibrating installation is divided into two-layer up and down, and lower floor is variable frequency pump 4 and water tank 3, and the upper strata is the meter proof pipeline.
It is actuating medium that device adopts distilled water, and uses replaceable filter, guarantees the stable of actuating medium, improves the uncertainty of device;
Adopt high precision mass flowmeter 15 standard scales for referencial use, realize that same set of device can use method of standard table and two kinds of methods of mass method that flowmeter is demarcated;
Can adopt the seized pipeline of two-way, a pipe system that promptly increases is installed a liquid meter again and is detected, and can also adapt to the mounting means of different seized flowmeters;
But adopt the reducing erector position of flowmeter, realize the seized flowmeter Fast Installation of same pipeline to different bores, the front and back straight length meets the rules requirement;
The front and back straight length of seized flowmeter is guaranteed consistent with the bore of seized flowmeter through Precision Machining.
Water delivering orifice 14 adopts the downward triangular design of the mouth of pipe, the continuous drip of anti-sealing, and shown in accompanying drawing 3, the triangle design can make the water in the pipe system keep certain liquid level, thereby avoids the continuous drip of water.
Device adopts variable frequency pump 4, realization can be under different working pressure the calibrating flowmeter.
Flow range: (100~5000) ml/min, the expanded uncertainty of device reach Urel=0.06% (k=2).
As shown in Figure 1, principle of work of the present invention is:
Start variable frequency pump 4, open entering water electromagnetic valve 16, distilled water is through behind the high precision mass flowmeter 15; Through flowing to electronic balance 1 behind the seized flowmeter, regulate the calibrating flow, close entering water electromagnetic valve 16; Emptying water container 2 is closed the water drain valve that is provided with before the threeway 13, opens entering water electromagnetic valve 16 again; Gather the pulse or the instantaneous flow rate signal of test solution flowmeter body, record calibrating time, to be checked fixing time; Close entering water electromagnetic valve 16, stop to gather flow meter signal, simultaneously the quality of recorded electronic balance 1; Calculate normal flow after quality process density that collects and the buoyancy correction, the indicating value of seized fluid flow flowmeter is compared with the indicating value of normal flow, just can obtain the error of indication of seized flowmeter.
Variable frequency pump 4, all solenoid valves or other valve can be connected with the control microcomputer, and the pressure and the temperature transmitter that are installed on the transition container 7 also are connected with the control microcomputer, thereby can realize that Automatic Control detects; Adopt dual circuit design and crosspointer valve to carry out flow regulation, can also realize that the multirange flowmeter detects; But adopt the reducing erector position of flowmeter, the flowmeter that can change different bores rapidly detects, and need not change together by related front and back section straight tube.

Claims (10)

1. a packaged type mass method fluid flow standard set-up comprises electronic balance (1) and water container (2), it is characterized in that: also comprise water tank (3); Water tank (3) links to each other with the water inlet of variable frequency pump (4); The water delivering orifice connecting line system of variable frequency pump (4) at first is provided with non-return valve (5) on the pipe system, be provided with filtrator (6) behind the non-return valve (5); Be used to purify water; Transition container (7) is installed behind the filtrator (6), temperature transmitter (8) and pressure unit (9) is installed, the temperature and pressure of liquid in the signal piping system on the said transition container (7); Transition container (7) but after be provided with the reducing erector position (10) that seized flowmeter is installed; But back, reducing erector position (10) connects meter-clamping apparatus (11), and meter-clamping apparatus (11) back connection traffic variable valve (12) is provided with a threeway (13) behind the flow control valve (12); A road of threeway (13) directly is communicated with back water tank (3); Another road is connected to water delivering orifice (14), and said water delivering orifice (14) connection is arranged on the water container (2) on the electronic balance (1), and said water container (2) bottom is provided with return pipe and is communicated with back water tank (3).
2. packaged type mass method fluid flow standard set-up as claimed in claim 1 is characterized in that: at said filtrator (6) but and install between the reducing erector position (10) of seized flowmeter high precision mass flowmeter (15) standard as a reference be installed.
3. according to claim 1 or claim 2 packaged type mass method fluid flow standard set-up; It is characterized in that: but the reducing erector position (10) of said installation liquid flowmeter to be detected is equipped with entering water electromagnetic valve (16) before; At entering water electromagnetic valve (16) but after reducing erector position (10) increase a pipe system before in addition; Said pipe system is provided with the installation station (17) that tiny flow quantity liquid flowmeter to be detected is installed, and water delivering orifice and the corresponding water container on the electronic balance that is arranged on.
4. packaged type mass method fluid flow standard set-up as claimed in claim 3 is characterized in that: the water container bottom of a pipe system of said increase also is provided with return pipe and is communicated with back water tank (3).
5. according to claim 1 or claim 2 packaged type mass method fluid flow standard set-up; It is characterized in that: but said reducing erector position (10) is employed in the middle shrinkage pool that has of the flange (18) at the two ends of immobile liquid flowmeter body; The variable footpath straight tube (19) of coupling is installed in shrinkage pool; Said variable footpath straight tube one end for flange in the middle of shrinkage pool coupling and be fixed on the termination in the shrinkage pool; The other end is the straight tube of the diameter that requires to change, but is arranged in the straight length of centre of reducing erector position (10), and the end face of the outer face of the termination of said variable footpath straight tube (19) and flange (18) is positioned at same plane.
6. according to claim 1 or claim 2 packaged type mass method fluid flow standard set-up, it is characterized in that: said flow control valve (12) adopts the crosspointer valve, can carry out coarse adjustment and fine setting to flow.
7. according to claim 1 or claim 2 packaged type mass method fluid flow standard set-up, it is characterized in that: the return pipe of said water container (2) towards the bottom is obliquely installed, and return pipe is provided with water drain valve.
8. packaged type mass method fluid flow standard set-up as claimed in claim 7 is characterized in that: water container (2) is provided with towards return pipe inclination 10 degree.
9. according to claim 1 or claim 2 packaged type mass method fluid flow standard set-up is characterized in that: be outside equipped with fan housing (20) at the water delivering orifice (14) of said pipe system and water container (2) and electronic balance (1).
10. according to claim 1 or claim 2 packaged type mass method fluid flow standard set-up; It is characterized in that: the casing (21) that also comprises device; Said water tank (3) and pipe system all are arranged in the casing (21) of said device, and the casing of said device (21) bottom is provided with shifting roller (22).
CN201210161176.6A 2012-05-18 2012-05-18 Movable liquid flux standard device adopting mass method Expired - Fee Related CN102680058B (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105823532A (en) * 2016-05-16 2016-08-03 上海裕凡实业有限公司 Mobile flow online calibrating system
CN106197623A (en) * 2016-09-05 2016-12-07 安徽理工大学 A kind of positive displacement high-pressure flowmeter based on weight method demarcates hydraulic system and experimental technique
CN106338323A (en) * 2016-09-07 2017-01-18 武汉市度量衡管理所 Site calibration method and calibration system of flowmeter
CN107588819A (en) * 2017-09-28 2018-01-16 中国航发动力股份有限公司 A kind of micro-porous electrode flow testing device and method
CN107894267A (en) * 2017-12-27 2018-04-10 西安安森智能仪器股份有限公司 A kind of micro moving flow calibrating device
CN108106698A (en) * 2018-02-09 2018-06-01 中国计量大学 A kind of vehicle-mounted single water tank type oil field water meter field calibration device and calibration method
CN108195446A (en) * 2018-02-09 2018-06-22 中国石油天然气股份有限公司长庆油田分公司技术监测中心 A kind of vehicle-mounted double water tank formula oil field water meter field calibration device and calibration method
CN109238375A (en) * 2018-11-01 2019-01-18 北京京航计算通讯研究所 Experiment test device for the acquisition of industrial pipeline data
RU2680986C1 (en) * 2018-03-06 2019-03-01 Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" Torrential dynamic stand
CN109489892A (en) * 2018-11-01 2019-03-19 北京京航计算通讯研究所 The preparation method of experiment test device for the acquisition of industrial pipeline data
CN111609889A (en) * 2020-06-12 2020-09-01 武汉理工大学 Pressure, temperature and flow monitor

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CN101571417A (en) * 2009-05-27 2009-11-04 深圳市建恒测控股份有限公司 Calibration method of flowmeter
CN102183284A (en) * 2011-04-14 2011-09-14 张广忠 Liquid flow standard calibration device
CN102305676A (en) * 2011-08-17 2012-01-04 安徽汉威电子有限公司 Automatic calibrating apparatus on flow of heat energy meter

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WO2001069189A2 (en) * 2000-03-13 2001-09-20 Boerzsoenyi Andras Method and apparatus for in-situ calibration of quantity measurement of a fluid flowing in a channel
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105823532A (en) * 2016-05-16 2016-08-03 上海裕凡实业有限公司 Mobile flow online calibrating system
CN106197623A (en) * 2016-09-05 2016-12-07 安徽理工大学 A kind of positive displacement high-pressure flowmeter based on weight method demarcates hydraulic system and experimental technique
CN106338323A (en) * 2016-09-07 2017-01-18 武汉市度量衡管理所 Site calibration method and calibration system of flowmeter
CN106338323B (en) * 2016-09-07 2017-06-20 武汉市度量衡管理所 A kind of flowmeter in-situ calibration method and verification system
CN107588819A (en) * 2017-09-28 2018-01-16 中国航发动力股份有限公司 A kind of micro-porous electrode flow testing device and method
CN107894267A (en) * 2017-12-27 2018-04-10 西安安森智能仪器股份有限公司 A kind of micro moving flow calibrating device
CN108106698A (en) * 2018-02-09 2018-06-01 中国计量大学 A kind of vehicle-mounted single water tank type oil field water meter field calibration device and calibration method
CN108195446A (en) * 2018-02-09 2018-06-22 中国石油天然气股份有限公司长庆油田分公司技术监测中心 A kind of vehicle-mounted double water tank formula oil field water meter field calibration device and calibration method
CN108195446B (en) * 2018-02-09 2019-09-06 中国石油天然气股份有限公司长庆油田分公司技术监测中心 A kind of vehicle-mounted double water tank formula oil field water meter field calibration device and calibration method
RU2680986C1 (en) * 2018-03-06 2019-03-01 Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" Torrential dynamic stand
CN109238375A (en) * 2018-11-01 2019-01-18 北京京航计算通讯研究所 Experiment test device for the acquisition of industrial pipeline data
CN109489892A (en) * 2018-11-01 2019-03-19 北京京航计算通讯研究所 The preparation method of experiment test device for the acquisition of industrial pipeline data
CN109238375B (en) * 2018-11-01 2021-03-23 北京京航计算通讯研究所 Experimental testing device for industrial pipeline data acquisition
CN111609889A (en) * 2020-06-12 2020-09-01 武汉理工大学 Pressure, temperature and flow monitor

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