CN203643006U - Standard colloid flow meter device - Google Patents
Standard colloid flow meter device Download PDFInfo
- Publication number
- CN203643006U CN203643006U CN201320754364.XU CN201320754364U CN203643006U CN 203643006 U CN203643006 U CN 203643006U CN 201320754364 U CN201320754364 U CN 201320754364U CN 203643006 U CN203643006 U CN 203643006U
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- valve
- injecting glue
- colloid
- calibration
- piston
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Abstract
The utility model relates to a standard colloid flow meter device comprising a control system, a data acquisition and processing system, a pressurization system and a calibration system, wherein the calibration system comprises a motor, a lead screw, a measuring stick, a measuring cylinder, a piston, a fourth valve and a glue injection tank; the motor is connected with the piston through the lead screw; the piston divides the measuring cylinder into a rodless cavity and a rod cavity; the outlet of the glue injection tank is communicated with the rod cavity through a glue injection branch and a calibration branch respectively; the fourth valve is arranged on the glue injection branch; a first valve, a colloidal flow meter to be calibrated and a density meter are sequentially arranged on the calibration branch; the liquid reflux port of the glue injection tank is connected with the rodless cavity through the fourth valve; the glue pouring port of the glue injection tank is connected with the pressurization system through a pressure adding/ reducing valve; the signal acquisition side of a measuring ruler is connected with the piston. The standard colloidal flow meter device provided by the utility model solves the technical problem of calibration of actual medium flow for a colloid flow meter. The utility model provides the standard colloidal flow meter device which can achieve a simulated calibration of actual medium flow of the colloid flow meter.
Description
Technical field
The utility model relates to flow measurement technology field, in particular to a kind of colloid flowmeter measurement and calibration technology.
Background technology
Colloid flowmeter is widely used in the flow measurement process of gel engine and high-viscosity glue body medium.Different from conventional liq, colloidal medium is non-Newtonian fluid under normal conditions, under yield pressure, is approximately Newtonian fluid.Due to the singularity of colloidal medium, determine colloidal medium to carry out the complicacy of flow measurement research.Along with the development of gel engine and high-viscosity glue body medium, in order further to improve the accuracy of colloid flow measurement, the calibration of colloid flowmeter is seemed to particularly important.
The flowmeter that existing conventional flow standard device can only be used for measuring Newtonian fluid is calibrated, and can not calibrate for this special medium of employing colloid, and the calibration of colloid flowmeter is mainly adopted taking water as comparison medium and calibrated.External NASA Louis has also carried out in research centre the comparison work of water and colloidal medium, but the viscosity of the viscosity of colloid and aqueous medium is different under different temperature and pressures, therefore taking water as comparison medium exists larger error, cannot meet the requirement of demand and the colloid flow measurement precision of model task.
Summary of the invention
In order to solve the technical matters lacking for the accurate calibrating installation of colloid flowmeter, the utility model provides a kind of colloid flowmeter standard set-up, can realize the analog calibration of the real flow medium of colloid flowmeter.
Technical solution of the present utility model:
A kind of colloid flowmeter standard set-up, its special character is: comprise control system, data acquisition processing system, pressure charging system and calibration system,
Described calibration system comprises motor 1, leading screw 2, measuring stick, metering cylinder 5, piston 4, the 3rd valve 8 and injecting glue tank 14, described motor 1 is connected with piston 4 by leading screw 2, metering cylinder is divided into rodless cavity and rod chamber by described piston 4, the outlet of described injecting glue tank 14 is communicated with rod chamber by injecting glue branch road and calibration branch road respectively, on described injecting glue branch road, be provided with the 3rd valve 8, on described calibration branch road, be disposed with the first valve 7, colloid flowmeter 9 and densitometer 10 to be calibrated; The liquid return hole of described injecting glue tank 14 is connected with rodless cavity by the 4th valve 13, and the encapsulating mouth of described injecting glue tank 14 is connected with pressure charging system by increasing/reduction valve; The signals collecting end of described measuring stick is connected with piston, and the signal output part of described measuring stick is connected with data acquisition processing system 17;
Described control system control motor 1, the first valve 7, the second valve 11, the 3rd valve 8 and the 4th valve 13.
On above-mentioned injecting glue branch road, be also provided with the second valve 11, described the second valve 11 is between densitometer 10 and the outlet of injecting glue tank 14.
On above-mentioned injecting glue branch road, be also provided with the first temperature and pressure transducer 6 and the second temperature and pressure transducer 12, described the first temperature and pressure transducer 6 are between the first valve 7 and rod chamber, and described the second temperature and pressure transducer 12 are between the second valve 11 and the outlet of injecting glue tank 14.
Above-mentioned measuring stick is grating scale 3.
Above-mentioned pressure charging system is high pressure nitrogen system.
On above-mentioned injecting glue tank 14, be provided with front cylinder coupling cock 141, return liquid valve 142 and rear cylinder coupling cock 143, described front cylinder coupling cock 141 communicates with calibration branch road, described rear cylinder coupling cock 143 communicates with injecting glue branch road, and described time liquid valve 142 communicates with the pipeline at the 4th valve 13 places.
The utility model has advantages of:
1, the utility model provides a kind of colloid flowmeter standard set-up, has solved colloid flowmeter and cannot realize the problem of high viscosity fluid or non-Newtonian fluid being carried out to Measurement accuracy; Flow measurement range is (0.1～12) m
3/ h, device expanded uncertainty is 0.05%, can realize current model is being carried out to real flow medium analog calibration with colloid flowmeter, has improved accuracy and the reliability of colloid flowmeter survey.
2, the utility model has adopted the mode of gas displacement colloid, by high pressure nitrogen, thinning being injected in volume pipe of colloid liquefaction in storage glue tank is tested, and has that method is feasible, simple in structure, a handled easily, feature that reliability is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is the structural representation of storage glue tank;
Wherein accompanying drawing 1 is labeled as, 1-motor, 2-leading screw, 3-grating scale, 4-piston, 5-metering cylinder, 6-the first temperature and pressure transducer T
1, P
1, 7-the first valve, 8-the 3rd valve, the colloid flowmeter that 9-is to be calibrated, 10-densitometer, 11-the second valve, 12-the second temperature and pressure transducer T
2, P
2, 13-the 4th valve, 14-storage glue tank, cylinder coupling cock before 141-, 142-returns liquid valve, cylinder coupling cock after 143-, 15-increasing/reduction valve, 16-pressure charging system, 17-data acquisition processing system, 18-control system.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in drawings, the colloid flowmeter standard set-up that the utility model provides, mainly be made up of calibration system, pressure charging system and control system three parts, mechanical system, pressure charging system are unified to control by TT&C system, and pressure charging system mechanical system after pressure reaches certain balance could be moved.
Calibration system comprises motor 1, leading screw 2, measuring stick, metering cylinder 5, piston 4, the 4th valve 13 and injecting glue tank 14, motor 1 is connected with piston 4 by leading screw 2, metering cylinder is divided into rodless cavity and rod chamber by piston 4, the outlet of injecting glue tank 14 is communicated with rod chamber by injecting glue branch road and calibration branch road respectively, on glue branch road, be provided with the 4th valve 13, calibration is disposed with the first valve 7, colloid flowmeter 9 and densitometer 10 to be calibrated on branch road; The liquid return hole of injecting glue tank 14 is connected with rodless cavity by the 4th valve 13, and the encapsulating mouth of injecting glue tank 14 is connected with pressure charging system by increasing/reduction valve; The signals collecting end of measuring stick is connected with piston, and the signal output part of measuring stick is connected with data acquisition processing system 17.
Mechanical system mainly comprises that motor and kinematic train, gauge assembly, pipeline, colloid flowmeter erecting bed and some backup systems are as temperature sensor, pressure transducer and valve etc.Wherein motor and kinematic train mainly comprise motor, leading screw, guide rail and shaft coupling, and gauge assembly comprises metering cylinder 5, piston 4, grating scale 3 and limit switch, and limit switch is installed on guiderail base two ends.Grating scale is fixed on guide rail, and motor drives leading screw to do back and forth movement along guide rail by shaft coupling, and then driven plunger is moved and produced stable flow in metering cylinder.Grating scale is for the stroke of metering piston.
In order to reduce the impact of temperature, pressure versus flow amount accuracy of measurement, obtain high-precision flow, realize in the following way: in colloid flowmeter 9 upstream and downstream to be calibrated, the first temperature and pressure transducer T are installed
1, P
17 and second temperature and pressure transducer T
2, P
212, for measuring temperature, the pressure of fluid, can carry out temperature, pressure correction to the flow of the colloid flowmeter 9 through to be calibrated.Because colloid has, viscosity is high, the thixotropic feature of pressure, measures in real time continuously the density value of colloidal medium by installing on-line densimeter 10 additional.
Pressure charging system is mainly made up of high-pressure nitrogen bottle, external interface switch valve etc.For convenient switching colloid supply line, reach the object of calibrate medium conversion, adopt following structure: 3 valves of storage glue tank bottom design, as shown in Figure 2, are respectively front cylinder coupling cock, rear cylinder coupling cock and time liquid valve.Wherein front cylinder coupling cock 141 communicates with calibration branch road, and rear cylinder coupling cock 143 communicates with the pipeline at the 3rd valve 8 places, returns liquid valve 142 and communicates with the pipeline at the 4th valve 13 places.
Control system mainly comprises electric control system.Electric control system realizes the function of equipment power supply, Electric Machine Control and valve control.In order to realize the accurate control of motor, realize in the following way: adopt closed loop position control mode, by pulse signal control motor corner, carry scrambler by motor and produce position feedback pulse.
Data acquisition processing system adopts general controls card, capture card, realizes modular design, possess can expand, the ability of reconfigurable resource, the function of system upgrade of facilitating.
Basic functional principle of the present utility model and the course of work: device adopts driven by servomotor piston to make metering cylinder produce normal flow source, metering cylinder, simultaneously as volumetric standard, coordinates with grating scale and forms Flow Measuring System.The concrete course of work is as follows: before calibration, open equal to the first valve, the second valve, the 3rd valve, the 4th valve 4, the colloid in storage glue tank is expressed in rod chamber and pipeline by pressure charging system; In calibration stroke, close the 3rd valve, moved by transmission system drives piston by motor in metering cylinder, produce normal flow source, colloid is got back to storage glue tank by the first valve, colloid flowmeter to be calibrated, densitometer and the second valve.Grating scale is used for measuring throw of poston L, the product of the long-pending A of throw of poston and piston cross-section again divided by working time t just obtain volumetric flow rate
density p adopts on-line densimeter to measure, the mass rate being produced by active piston volume pipe
q
mindicate accordingly flow Q with colloid flowmeter
scompare, can determine the error of colloid flowmeter, thereby reach the object of calibrating flow meter.
The utility model is not limited to above-mentioned best mode, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, within all falling into the utility model protection domain.
Claims (6)
1. a colloid flowmeter standard set-up, is characterized in that: comprise control system, data acquisition processing system, pressure charging system and calibration system,
Described calibration system comprises motor (1), leading screw (2), measuring stick, metering cylinder (5), piston (4), the 3rd valve (8) and injecting glue tank (14), described motor (1) is connected with piston (4) by leading screw (2), metering cylinder is divided into rodless cavity and rod chamber by described piston (4), the outlet of described injecting glue tank (14) is communicated with rod chamber by injecting glue branch road and calibration branch road respectively, on described injecting glue branch road, be provided with the 3rd valve (8), on described calibration branch road, be disposed with the first valve (7) from rod chamber to the outlet of injecting glue tank (14), colloid flowmeter (9) to be calibrated and densitometer (10), the liquid return hole of described injecting glue tank (14) is connected with rodless cavity by the 4th valve (13), and the encapsulating mouth of described injecting glue tank (14) is connected with pressure charging system by increasing/reduction valve, the signals collecting end of described measuring stick is connected with piston, and the signal output part of described measuring stick is connected with data acquisition processing system (17),
Described control system control motor (1), the first valve (7), the second valve (11), the 3rd valve (8) and the 4th valve (13).
2. colloid flowmeter standard set-up according to claim 1, is characterized in that: on described injecting glue branch road, be also provided with the second valve (11), described the second valve (11) is positioned between densitometer (10) and the outlet of injecting glue tank (14).
3. colloid flowmeter standard set-up according to claim 2, it is characterized in that: on described injecting glue branch road, be also provided with the first temperature and pressure transducer (6) and the second temperature and pressure transducer (12), described the first temperature and pressure transducer (6) are positioned between the first valve (7) and rod chamber, and described the second temperature and pressure transducer (12) are positioned between the second valve (11) and the outlet of injecting glue tank (14).
4. colloid flowmeter standard set-up according to claim 3, is characterized in that: described measuring stick is grating scale (3).
5. according to arbitrary described colloid flowmeter standard set-up of claim 1-4, it is characterized in that: described pressure charging system is high pressure nitrogen system.
6. colloid flowmeter standard set-up according to claim 5, it is characterized in that: on described injecting glue tank (14), be provided with front cylinder coupling cock (141), return liquid valve (142) and rear cylinder coupling cock (143), described front cylinder coupling cock (141) communicates with calibration branch road, described rear cylinder coupling cock (143) communicates with injecting glue branch road, and described time liquid valve (142) communicates with the pipeline at the 4th valve (13) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754364.XU CN203643006U (en) | 2013-11-22 | 2013-11-22 | Standard colloid flow meter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754364.XU CN203643006U (en) | 2013-11-22 | 2013-11-22 | Standard colloid flow meter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203643006U true CN203643006U (en) | 2014-06-11 |
Family
ID=50874241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320754364.XU Expired - Fee Related CN203643006U (en) | 2013-11-22 | 2013-11-22 | Standard colloid flow meter device |
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|---|---|
| CN (1) | CN203643006U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400975A (en) * | 2014-11-21 | 2015-03-11 | 常熟康尼格科技有限公司 | Electromagnetic induction screw type low-pressure glue injection equipment |
| CN105784341A (en) * | 2016-03-04 | 2016-07-20 | 浙江省计量科学研究院 | Standard device for checking flow and differential pressure of constant flow valve and checking method |
| CN107505020A (en) * | 2017-09-28 | 2017-12-22 | 青岛软控机电工程有限公司 | Piston volume formula material measuring system |
| CN107843315A (en) * | 2017-11-13 | 2018-03-27 | 李盛 | A kind of flowmeter verification device and its calibration method |
| CN108801848A (en) * | 2018-07-12 | 2018-11-13 | 丹东意邦计量仪器仪表有限公司 | A kind of intelligent constant-temperature calibrating liquid densimeter experimental rig |
| CN109847132A (en) * | 2019-03-13 | 2019-06-07 | 中国测试技术研究院辐射研究所 | Fluid flow caliberating device and method for hemodialysis machine detector |
| CN110895203A (en) * | 2018-09-12 | 2020-03-20 | 北京振兴计量测试研究所 | On-site calibration method for turbine flowmeter of test bed of aerospace engine |
| CN110989699A (en) * | 2019-12-25 | 2020-04-10 | 东莞市启晨自动化设备有限公司 | Low-shearing force precise flow control system |
| CN111141369A (en) * | 2019-12-26 | 2020-05-12 | 兰州空间技术物理研究所 | Gas flow controller flow calibration device for space |
| CN111323338A (en) * | 2020-03-04 | 2020-06-23 | 中国计量大学 | Gas viscosity measurement system, gas flow online calibration system and method |
| CN113720404A (en) * | 2021-09-02 | 2021-11-30 | 上海盛普机械制造有限公司 | Method and device for flow measurement and feedback control of high-viscosity colloid without throttle valve |
| CN113758545A (en) * | 2021-09-23 | 2021-12-07 | 河北大学 | Four-valve piston type dynamic flow metering standard device and metering method |
-
2013
- 2013-11-22 CN CN201320754364.XU patent/CN203643006U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400975A (en) * | 2014-11-21 | 2015-03-11 | 常熟康尼格科技有限公司 | Electromagnetic induction screw type low-pressure glue injection equipment |
| CN105784341A (en) * | 2016-03-04 | 2016-07-20 | 浙江省计量科学研究院 | Standard device for checking flow and differential pressure of constant flow valve and checking method |
| CN105784341B (en) * | 2016-03-04 | 2018-08-07 | 浙江省计量科学研究院 | A kind of method of the standard set-up and verification of permanent flow valve flow and differential pressure verification |
| CN107505020A (en) * | 2017-09-28 | 2017-12-22 | 青岛软控机电工程有限公司 | Piston volume formula material measuring system |
| CN107843315A (en) * | 2017-11-13 | 2018-03-27 | 李盛 | A kind of flowmeter verification device and its calibration method |
| CN108801848A (en) * | 2018-07-12 | 2018-11-13 | 丹东意邦计量仪器仪表有限公司 | A kind of intelligent constant-temperature calibrating liquid densimeter experimental rig |
| CN108801848B (en) * | 2018-07-12 | 2024-05-28 | 丹东意邦计量仪器仪表有限公司 | Intelligent constant-temperature verification liquid densimeter test device |
| CN110895203B (en) * | 2018-09-12 | 2021-08-27 | 北京振兴计量测试研究所 | On-site calibration method for turbine flowmeter of test bed of aerospace engine |
| CN110895203A (en) * | 2018-09-12 | 2020-03-20 | 北京振兴计量测试研究所 | On-site calibration method for turbine flowmeter of test bed of aerospace engine |
| CN109847132A (en) * | 2019-03-13 | 2019-06-07 | 中国测试技术研究院辐射研究所 | Fluid flow caliberating device and method for hemodialysis machine detector |
| CN110989699A (en) * | 2019-12-25 | 2020-04-10 | 东莞市启晨自动化设备有限公司 | Low-shearing force precise flow control system |
| CN111141369A (en) * | 2019-12-26 | 2020-05-12 | 兰州空间技术物理研究所 | Gas flow controller flow calibration device for space |
| CN111323338A (en) * | 2020-03-04 | 2020-06-23 | 中国计量大学 | Gas viscosity measurement system, gas flow online calibration system and method |
| CN111323338B (en) * | 2020-03-04 | 2022-06-10 | 中国计量大学 | Gas flow online calibration system and method |
| CN113720404A (en) * | 2021-09-02 | 2021-11-30 | 上海盛普机械制造有限公司 | Method and device for flow measurement and feedback control of high-viscosity colloid without throttle valve |
| CN113720404B (en) * | 2021-09-02 | 2023-08-04 | 上海盛普流体设备股份有限公司 | High-viscosity colloid flow measurement and feedback control method and device without throttle valve |
| CN113758545A (en) * | 2021-09-23 | 2021-12-07 | 河北大学 | Four-valve piston type dynamic flow metering standard device and metering method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141122 |
|
| EXPY | Termination of patent right or utility model |