CN206787976U - A kind of roll-down type viscosity self-operated measuring unit - Google Patents
A kind of roll-down type viscosity self-operated measuring unit Download PDFInfo
- Publication number
- CN206787976U CN206787976U CN201720607820.6U CN201720607820U CN206787976U CN 206787976 U CN206787976 U CN 206787976U CN 201720607820 U CN201720607820 U CN 201720607820U CN 206787976 U CN206787976 U CN 206787976U
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- Prior art keywords
- proximity transducer
- roll
- muff
- down type
- measuring unit
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Abstract
It the utility model is related to a kind of roll-down type viscosity self-operated measuring unit, including support frame, muff, water-bath connecting tube, thermometer, test solution pipe, first proximity transducer, second proximity transducer, keyboard, display screen, control mainboard and several measurement balls, muff is arranged on support frame, water-bath connecting tube is connected with the muff, thermometer is stretched into the muff, test solution pipe is through the muff and is obliquely installed, control mainboard passes through first group of I/O interface and the first proximity transducer, second proximity transducer is connected, control mainboard is connected by second group of I/O interface with the keyboard, control mainboard is connected by the 3rd group of I/O interface with the display screen.The utility model further relates to a kind of roll-down type viscosity method for automatic measurement.The utility model timing point is accurate, and error is small；Automatic measurement, measure the moment every time and measurement accuracy is all identical, it is reproducible；The automatic viscosity that calculates simultaneously is shown, removes mistake caused by the cumbersome and possibility manually calculated from.
Description
Technical field
It the utility model is related to liquid viscosity measuring field, more particularly to a kind of roll-down type viscosity self-operated measuring unit.
Background technology
Many products of chemical industry and food service industry, as the macromolecular of latex, slurries, liquid glucose, wine and some special formulations is gathered
The viscosity of the liquid such as compound is one of fundamental property of its product.Conventional Viscosity Measurement Methods have capillary tube method, rotary process and
Falling ball method.The capillary tube method general response time is longer, is easily blocked by the little particle in liquid.Rotary process measurement accuracy is relatively low,
And the interaction between meeting saboteur.The falling ball method response time is moderate, measures ball slow uniform motion in a liquid, liquid
Intermolecular interaction is not destroyed, the viscosity under the static state of reaction liquid that can be objective and accurate, therefore in chemical industry and food etc.
Industry is widely adopted.
Roll-down type Viscosity Measurement Methods are to tumble measurement ball along tube wall from the inclined tubes equipped with test solution, and it tumbles speed
Degree is directly proportional to viscosity, and speed is tumbled to seek viscosity by measure ball.Traditional method is depicted on the tube wall of measurement pipe
Several, apart from identical graticule, bead are recorded using stopwatch by the time interval between several graticules, so that will be to speed successively
The measurement of degree is converted into the measurement to the time.After the time is recorded, then by test solution pipe angle of inclination, the diameter of bead, density,
The corresponding empirical equation of the substitution such as the density of fluid to be measured and time, that is, obtain the relative viscosity of fluid to be measured.The most frequently used
Roll-down type falling ball viscometer is Huo Bole falling ball viscometers, to make measurement as accurate as possible, tube wall of the viscosimeter in measurement pipe
On depict three apart from identical graticule, with the data volume of increase institute survey time interval, be easy to judge and be averaged, but because of adopting
Timing is estimated with stopwatch, so measurement error is very big, for opaque liquid, then can not almost be measured.Lu Sika falling ball viscosities
Meter is and one kind of rolling falling ball viscometer, the viscosimeter are full of fluid to be measured in measurement pipe, and measurement pipe is rotatable, upper bottom
Alternately as the bottom of measurement pipe, the time spent the bottom of to, this method time of measuring are tumbled from top using electronic measurement bead
Although accurate, had a great influence by upper bottom, and traveled at the uniform speed the stage including non-, error can not avoid in principle, so surveying
Accuracy of measurement is not also high.
Utility model content
The utility model overcomes the deficiencies in the prior art, there is provided a kind of roll-down type viscosity self-operated measuring unit, can be used for
Accurate, measurement automatically and rapidly is carried out to various high viscosity liquid viscosity, the measurement to opaque liquid viscosity has other
Advantage not available for measurement apparatus.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of roll-down type viscosity self-operated measuring unit,
Including support frame, muff, water-bath connecting tube, thermometer, test solution pipe, the first proximity transducer, the second proximity transducer, key
Disk, display screen, control mainboard and several measurement balls, the muff are arranged on support frame as described above, the water-bath connecting tube
It is connected with the muff, the thermometer is stretched into the muff, and the test solution pipe runs through the muff and inclination
Setting, the control mainboard is connected by first group of I/O interface with first proximity transducer, the second proximity transducer,
The control mainboard is connected by second group of I/O interface with the keyboard, the control mainboard by the 3rd group of I/O interface with
The display screen is connected.
In one preferred embodiment of the utility model, a kind of roll-down type viscosity self-operated measuring unit further comprises described
One proximity transducer and the second proximity transducer are arranged on the same side outer wall of the test solution pipe.
In one preferred embodiment of the utility model, a kind of roll-down type viscosity self-operated measuring unit further comprises described
The sensitive surface of one proximity transducer and the sensitive surface of the second proximity transducer are in same plane.
In one preferred embodiment of the utility model, a kind of roll-down type viscosity self-operated measuring unit further comprises described
The sensitive surface of one proximity transducer and the sensitive surface of the second proximity transducer are close to the test solution pipe and parallel to the test solutions
The axis of pipe.
In one preferred embodiment of the utility model, a kind of roll-down type viscosity self-operated measuring unit further comprises described
One proximity transducer and the second proximity transducer are installed in the interlude of the test solution pipe.
In one preferred embodiment of the utility model, a kind of roll-down type viscosity self-operated measuring unit further comprises described
Mounting distance between one proximity transducer and the second proximity transducer is not less than 50mm.
In one preferred embodiment of the utility model, a kind of roll-down type viscosity self-operated measuring unit further comprises the survey
Amount ball is made of metal material.
The utility model has the advantages that：
（1）First proximity transducer and the second proximity transducer are quick on the draw, and measurement point is arranged to the interlude of test solution pipe,
Error is eliminated, timing is carried out using control mainboard, eliminates the various measurement errors and random error of manual time-keeping, timing point is accurate
Really, error is small；
（2）Automatic measurement, measure the moment every time and measurement accuracy is all identical, it is reproducible；
（3）If measurement ball selection is improper, measurement ball can be reselected by display screen prompting and is measured, avoids missing
Sentence；
（4）The automatic viscosity that calculates simultaneously is shown, removes mistake caused by the cumbersome and possibility manually calculated from；
（5）Available for the accurate measurement to various high viscosity liquid viscosity, the measurement for opaque liquid has other
Advantage not available for measuring method, has broad prospects in chemical industry.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of preferred embodiment of the present utility model；
Fig. 2 is the operation principle schematic diagram of preferred embodiment of the present utility model；
In figure：2nd, support frame, 4, muff, 6, water-bath connecting tube, 8, thermometer, 10, test solution pipe, 12, first close to passing
Sensor, the 14, second proximity transducer, 16, keyboard, 18, display screen, 20, control mainboard, 22, measurement ball, 24, first groups of I/O connect
Mouthful, 26, second groups of I/O interfaces, 28, the 3rd groups of I/O interfaces.
Embodiment
The utility model is described in further detail presently in connection with drawings and examples, these accompanying drawings are simplified
Schematic diagram, only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the structure relevant with the utility model
Into.
As shown in Figure 1 and Figure 2, a kind of roll-down type viscosity self-operated measuring unit, including support frame 2, muff 4, water-bath connection
Pipe 6, thermometer 8, test solution pipe 10, the first proximity transducer 12, the second proximity transducer 14, keyboard 16, display screen 18, control master
Plate 20 and several measurement balls 22, all round closure of muff 4, inner hollow, muff 4 are arranged on support frame 2, water-bath connection
Pipe 6 is connected with muff 4, and thermometer 8 is stretched into muff 4, and for measuring bath temperature in muff 4, test solution pipe 10 passes through
Wear muff 4 and be obliquely installed, whether the first proximity transducer 12 and the second proximity transducer 14 are used to detection measurement ball 22
Into induction region, and it is quick on the draw, control mainboard 20 passes through first group of proximity transducer 12, second of I/O interfaces 24 and first
Proximity transducer 14 is connected, and control mainboard 20 is connected by second group of I/O interface 26 with keyboard 16, and control mainboard 20 passes through
3rd group of I/O interface 28 is connected with display screen 18.
In order to accurately inductively measure ball 22, measurement accuracy is improved, the utility model preferably the first proximity transducer 12 and the
Two proximity transducers 14 are arranged on the same side outer wall of test solution pipe 10.The sensitive surface of further preferred first proximity transducer 12
Same plane is in the sensitive surface of the second proximity transducer 14.The sensitive surface of first proximity transducer 12 and the second close sensing
The sensitive surface of device 14 is close to test solution pipe 10 and parallel to the axis of test solution pipe 10.First proximity transducer 12 and second is close
Sensor 14 is installed in the interlude of test solution pipe 10.Installation between first proximity transducer 12 and the second proximity transducer 14
Distance L is not less than 50mm.
In order to improve the reaction speed of the first proximity transducer 12 and the second proximity transducer 14, the utility model is preferably surveyed
Amount ball 22 is made of metal material, and the first proximity transducer 12 and the second proximity transducer 14 can instantaneously sense metal material
Measurement ball 22.
The utility model when in use, tilt angle theta, the internal diameter of test solution pipe 10 between measurement test solution pipe 10 and horizontal plane
D, the diameter d of ball 22 is measured, and calculates the density p of measurement ball 22bWith the density p of fluid to be measured, test solution pipe 10 and horizontal plane it
Between tilt angle theta can be by GB/T 10247-2008《Viscosity Measurement Methods》Measure to obtain, be typically designed as 80 °, examination
The diameter D of liquid pipe 10 and the diameter d of measurement ball 22 can be measured to obtain with slide measure, measure the density p of ball 22bPass through
The quality and the ratio of volume of measurement ball 22 for measuring ball 22 are worth to, the density p of fluid to be measured by the quality of fluid to be measured and
The ratio of the volume of fluid to be measured is worth to, and is carried out water-bath to adjust temperature to muff 4, is waited until that temperature meets measurement request,
Power-on, the prompting provided according to display screen 18, the tilt angle theta of test solution pipe 10, test solution pipe 10 are inputted by keyboard 16
Internal diameter D, the diameter d for measuring ball 22, the density p for measuring ball 22bWith the density p of fluid to be measured, and confirm, make measurement ball 22 along examination
The inner tubal wall of liquid pipe 10 freely tumbles the measured zone by the first proximity transducer 12 and the second proximity transducer 14 successively, the
One proximity transducer 12 and the second proximity transducer 14 send signal to control mainboard 20 at once, will measurement ball 22 just enter and
The position for exiting the measured zone of the first proximity transducer 12 completely is designated as A, B respectively, will measurement ball 22 just enter and completely
The position for exiting the measured zone of the second proximity transducer 14 is designated as C, D respectively, recorded respectively by interrupt mode 4 points when
Carve tA、tB、tC、tD, control mainboard 20, which calculates, measures speed V of the ball 22 by this segment distance of ACACWith the speed of BD this segment distance
VBD, VAC=LAC/（tC-tA）, VBD=LBD/（tD-tB）, LAC= LBD=L, L are the first proximity transducer 12 and the second proximity transducer
14 mounting distance, works as VACWith VBDDifference and speed average VIt is averageRatio be less than or equal to 1% and speed average VIt is averageIt is small
When 1.67mm/s, it is believed that measuring condition meets, then the viscosity of liquid is calculated using corresponding viscosity formula；It is no
Then, it is believed that measurement ball 22 is not slow uniform motion, it is believed that measurement ball 22 is unsatisfactory for measuring condition, and phase is provided by display screen 18
It should prompt, change measurement ball and re-start measurement.V thereinIt is average=（VAC+VBD）/ 2, the calculation formula of viscosity is：
。
It is above enlightenment according to desirable embodiment of the present utility model, it is complete by above-mentioned description, related personnel
Various changes and amendments can be carried out in the range of without departing from this item utility model technological thought.This item utility model
Technical scope be not limited to content on specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (7)
- A kind of 1. roll-down type viscosity self-operated measuring unit, it is characterised in that：Including support frame, muff, water-bath connecting tube, temperature Meter, test solution pipe, the first proximity transducer, the second proximity transducer, keyboard, display screen, control mainboard and several measurement balls, institute Muff is stated on support frame as described above, the water-bath connecting tube is connected with the muff, and the thermometer stretches into institute State in muff, the test solution pipe through the muff and being obliquely installed, the control mainboard by first group of I/O interface with First proximity transducer, the second proximity transducer are connected, and the control mainboard passes through second group of I/O interface and the key Disk is connected, and the control mainboard is connected by the 3rd group of I/O interface with the display screen.
- A kind of 2. roll-down type viscosity self-operated measuring unit according to claim 1, it is characterised in that：Described first close biography Sensor and the second proximity transducer are arranged on the same side outer wall of the test solution pipe.
- 3. roll-down type viscosity self-operated measuring unit according to claim 2, it is characterised in that：First proximity transducer Sensitive surface and the sensitive surface of the second proximity transducer be in same plane.
- A kind of 4. roll-down type viscosity self-operated measuring unit according to claim 3, it is characterised in that：Described first close biography The sensitive surface of sensor and the sensitive surface of the second proximity transducer are close to the test solution pipe and parallel to the axis of the test solution pipe.
- A kind of 5. roll-down type viscosity self-operated measuring unit according to claim 4, it is characterised in that：Described first close biography Sensor and the second proximity transducer are installed in the interlude of the test solution pipe.
- A kind of 6. roll-down type viscosity self-operated measuring unit according to claim 5, it is characterised in that the described first close biography Mounting distance between sensor and the second proximity transducer is not less than 50mm.
- 7. a kind of roll-down type viscosity self-operated measuring unit according to claim 1, it is characterised in that the measurement ball uses Metal material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720607820.6U CN206787976U (en) | 2017-05-27 | 2017-05-27 | A kind of roll-down type viscosity self-operated measuring unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720607820.6U CN206787976U (en) | 2017-05-27 | 2017-05-27 | A kind of roll-down type viscosity self-operated measuring unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206787976U true CN206787976U (en) | 2017-12-22 |
Family
ID=60714525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720607820.6U Expired - Fee Related CN206787976U (en) | 2017-05-27 | 2017-05-27 | A kind of roll-down type viscosity self-operated measuring unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206787976U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990021A (en) * | 2017-05-27 | 2017-07-28 | 苏州工业职业技术学院 | A kind of roll-down type viscosity self-operated measuring unit and method |
| US20210279674A1 (en) * | 2018-11-05 | 2021-09-09 | Barminder, Inc. | Methods, systems, and devices for beverage consumption and inventory control and tracking |
-
2017
- 2017-05-27 CN CN201720607820.6U patent/CN206787976U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990021A (en) * | 2017-05-27 | 2017-07-28 | 苏州工业职业技术学院 | A kind of roll-down type viscosity self-operated measuring unit and method |
| CN106990021B (en) * | 2017-05-27 | 2024-03-12 | 苏州工业职业技术学院 | Roll-off type viscosity automatic measurement device and method |
| US20210279674A1 (en) * | 2018-11-05 | 2021-09-09 | Barminder, Inc. | Methods, systems, and devices for beverage consumption and inventory control and tracking |
| US11861557B2 (en) * | 2018-11-05 | 2024-01-02 | Aware Technologies, Inc. | Methods, systems, and devices for beverage consumption and inventory control and tracking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20210527 |