CN107941657A - A kind of liquid viscosity measuring system - Google Patents
A kind of liquid viscosity measuring system Download PDFInfo
- Publication number
- CN107941657A CN107941657A CN201711229218.4A CN201711229218A CN107941657A CN 107941657 A CN107941657 A CN 107941657A CN 201711229218 A CN201711229218 A CN 201711229218A CN 107941657 A CN107941657 A CN 107941657A
- Authority
- CN
- China
- Prior art keywords
- measuring system
- blocking element
- liquid viscosity
- fiber grating
- flow blocking
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
- G01N11/04—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
- G01N11/08—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture by measuring pressure required to produce a known flow
Abstract
The present invention relates to a kind of liquid viscosity measuring system, it includes cantilever beam, fluid pipeline, flow blocking element and fiber grating, fiber grating has two, two fiber gratings have one end to hang on cantilever beam, its other end is connected to flow blocking element both ends, flow blocking element is arranged on inside fluid pipeline, and is coaxially disposed with fluid pipeline.A kind of liquid viscosity measuring system of the present invention, it is very sensitive to temperature, test effect it is preferable, the present invention can industrialized production, it is highly practical.
Description
Technical field
The present invention relates to a kind of liquid viscosity measuring system.
Background technology
Viscosity is the important physical property of liquid, it reflects that the precision of the feature raising viscosity measurement of liquid flow behavior can
To reduce the cost in production process, the economic value and social value of bigger are created.Traditional Viscosity Measurement Methods mainly wrap
Include capillary tube method, falling ball method, rotary process, vibratory drilling method etc..These measuring methods are suitable for laboratory offline inspection mostly, from sampling to
Viscosity having time hysteresis is detected, institute's viscosimetric does not have real-time, can not meet the measurement request of industry spot.Liquid viscosity
Real-time online measuring, not only solves problem of sampling, and exports viscosity number in real time, improves production efficiency and product quality.
At present, domestic many scholars propose some new viscosity On-line Measuring Methods.Ultrasonic shear waves Viscosity Measurement Methods are suitable for height
The real-time online measuring of viscous liquid, has the characteristics that Non-contact nondestructive detection.Decanter type Viscosity Measurement Methods are to utilize pressure difference
A kind of online test method of sensor hard measurement viscosity, is suitable for suspension mixed viscosity measurement.Based on electromagnetic induction
Liquid viscosity measuring method makes rotary body produce torque in a liquid and monitors the pass of torque and the coefficient of viscosity in real time using motor
System can also realize the on-line measurement of liquid viscosity.Oscillatory type in-line viscometer is by detecting since viscosity resistance changes and loss
Energy obtains viscosity number.
The content of the invention
The present invention proposes a kind of liquid viscosity measuring system.
The present invention proposes a kind of liquid viscosity measuring system, it includes cantilever beam, fluid pipeline, flow blocking element and optical fiber light
Grid, fiber grating have two, and two fiber gratings have one end to hang on cantilever beam, its other end is connected to flow blocking element
Both ends, flow blocking element are arranged on inside fluid pipeline, and are coaxially disposed with fluid pipeline.
Preferably, upper host and fiber grating adjusting apparatus is further included, wherein fiber grating adjusting apparatus connects two respectively
Fiber grating, host computer are connected on fiber grating adjusting apparatus.
Preferably, the fiber grating is connected on a cantilever beam by fixing bracket.
Preferably, fluid pipeline outside diameter is 10 millimeters, and internal diameter is 8 millimeters.
Preferably, a diameter of 4.8mm of the flow blocking element, length 30mm.
Preferably, the ratio of flow blocking element diameter and fluid conduit inside diameters is 0.6.
A kind of liquid viscosity measuring system of the present invention, very sensitive to temperature, test effect is preferable, and the present invention can work
Industry metaplasia is produced, highly practical.
Brief description of the drawings
Fig. 1 is system structure diagram of the present invention.
1- cantilever beams, 2- fluid pipelines, 3- flow blocking elements, 4- fiber gratings；5- fiber grating adjusting apparatus；6- host computers.
Embodiment
Embodiment 1.
The present invention proposes a kind of liquid viscosity measuring system, it includes cantilever beam 1, fluid pipeline 2, flow blocking element 3 and light
Fine grating 4, fiber grating 4 have two, and two fiber gratings 4 have one end to hang on cantilever beam 1, its other end is connected to
3 both ends of flow blocking element, flow blocking element 3 are arranged on inside fluid pipeline 2, and are coaxially disposed with fluid pipeline 2.Present invention additionally comprises
Upper 4 adjusting apparatus of host and fiber grating, wherein fiber grating adjusting apparatus 5 connect two fiber gratings 4 respectively, and host computer 6 connects
It is connected on fiber grating adjusting apparatus 5.The fiber grating 4 is connected on cantilever beam 1 by fixing bracket.2 outside diameter of fluid pipeline
For 10 millimeters, internal diameter is 8 millimeters.3 a diameter of 4.8mm of flow blocking element, length 30mm.3 diameter of flow blocking element and fluid
The ratio of internal diameter of the pipeline is 0.6.
When liquid is by flow blocking element 3, flow blocking element 3 is subject to the effect of viscous force cantilever beam 1 is produced deformation, so that
The fiber grating 4 pasted on cantilever beam 1 makes centre wavelength change due to deformation, its change is solved by fiber grating 4
Adjust instrument demodulation output wavelength variable signal.
A kind of liquid viscosity measuring system of the present invention, very sensitive to temperature, test effect is preferable, and the present invention can work
Industry metaplasia is produced, highly practical.
Claims (6)
- A kind of 1. liquid viscosity measuring system, it is characterised in that including cantilever beam, fluid pipeline, flow blocking element and fiber grating, Fiber grating has two, and two fiber gratings have one end to hang on cantilever beam, its other end is connected to flow blocking element two End, flow blocking element is arranged on inside fluid pipeline, and is coaxially disposed with fluid pipeline.
- 2. a kind of liquid viscosity measuring system as claimed in claim 1, it is characterised in that further include upper host and fiber grating Adjusting apparatus, wherein fiber grating adjusting apparatus connect two fiber gratings respectively, and host computer is connected on fiber grating adjusting apparatus.
- 3. a kind of liquid viscosity measuring system as claimed in claim 1, it is characterised in that the fiber grating passes through fixing bracket Connection is on a cantilever beam.
- 4. a kind of liquid viscosity measuring system as claimed in claim 1, it is characterised in that fluid pipeline outside diameter is 10 millimeters, internal diameter For 8 millimeters.
- A kind of 5. liquid viscosity measuring system as claimed in claim 1, it is characterised in that a diameter of 4.8mm of flow blocking element, Length is 30mm.
- 6. a kind of liquid viscosity measuring system as claimed in claim 1, it is characterised in that in flow blocking element diameter and fluid line The ratio in footpath is 0.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711229218.4A CN107941657A (en) | 2017-11-29 | 2017-11-29 | A kind of liquid viscosity measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711229218.4A CN107941657A (en) | 2017-11-29 | 2017-11-29 | A kind of liquid viscosity measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107941657A true CN107941657A (en) | 2018-04-20 |
Family
ID=61946741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711229218.4A Withdrawn CN107941657A (en) | 2017-11-29 | 2017-11-29 | A kind of liquid viscosity measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107941657A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872016A (en) * | 2018-07-13 | 2018-11-23 | 燕山大学 | Liquid dynamic viscosity measuring table based on electric osmosis principle |
| RU2755782C1 (en) * | 2020-08-10 | 2021-09-21 | Евгений Игоревич Казанцев | Fibre-optic sensor for continuous measurement of the viscosity of a fluid medium |
| RU2811407C1 (en) * | 2023-04-18 | 2024-01-11 | федеральное государственное автономное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" | Fiber optic viscosity sensor |
-
2017
- 2017-11-29 CN CN201711229218.4A patent/CN107941657A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872016A (en) * | 2018-07-13 | 2018-11-23 | 燕山大学 | Liquid dynamic viscosity measuring table based on electric osmosis principle |
| CN108872016B (en) * | 2018-07-13 | 2020-10-16 | 燕山大学 | Liquid dynamic viscosity measuring platform based on electroosmosis principle |
| RU2755782C1 (en) * | 2020-08-10 | 2021-09-21 | Евгений Игоревич Казанцев | Fibre-optic sensor for continuous measurement of the viscosity of a fluid medium |
| RU2811407C1 (en) * | 2023-04-18 | 2024-01-11 | федеральное государственное автономное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" | Fiber optic viscosity sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180420 |