CN202814840U - Intelligent online rotary viscosimeter - Google Patents
Intelligent online rotary viscosimeter Download PDFInfo
- Publication number
- CN202814840U CN202814840U CN 201220427274 CN201220427274U CN202814840U CN 202814840 U CN202814840 U CN 202814840U CN 201220427274 CN201220427274 CN 201220427274 CN 201220427274 U CN201220427274 U CN 201220427274U CN 202814840 U CN202814840 U CN 202814840U
- Authority
- CN
- China
- Prior art keywords
- torsion shaft
- power supply
- measurement
- stepper motor
- processing unit
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model provides an intelligent online rotary viscosimeter. In the measurement of the torque of a torsion bar of the viscosimeter, the non-contact coupling of the energy and signals is adopted, thereby solving the measurement problem of the torque under the rotational state, and completing the measurement from the torque to the viscosity. The viscosimeter consists of a measuring unit and a power, controlling and processing unit, wherein the technical scheme of the measuring unit is as follows: a stepping motor and a torsion bar are respectively fixed on the stepping motor and a torsion bar bracket; the stepping motor is connected with a power end of the torsion bar through a coupling device; the stepping motor and the torsion bar bracket are fixed onto an installation plate; the power and a signal plug are installed on the upper part of a protective cover; and the measuring end of the torsion bar extends below the installation plate and is connected with a rotor. The power, controlling and processing unit is connected with the power and signal plug and is communicated with the measuring unit and the power, controlling and processing unit. The utility model provides an intelligent online rotary viscosimeter with a high measuring precision which is applicable to the viscosity measurement of all the liquid with low, middle and high-level viscosity.
Description
Technical field
The utility model belongs to fluid class field of measuring technique, is specifically related to the online rotational viscosimeter of a kind of intellectuality.
Background technology
Viscosity is to weigh the important physical parameter of liquid opposing fluid ability, the relation in the fields such as the measurement of viscosity and oil, chemical industry, electric power, metallurgy, light industry and national defence is very close, be industrial process control, improve the quality of products, save the important means with develop energy.In the scientific domains such as physical chemistry, fluid mechanics, viscosity measurement plays an important role to the motion state of understanding fluid properties and Study of Fluid.
In Practical Project and commercial production, often need the viscosity of online test fluid, guaranteeing best process operation environment and product quality, thereby improve productivity effect.
At present, the producer of domestic production viscosity meter is a lot, but all take the measurement in lab instrument as main, does not have to be applicable to the viscosity meter of basic, normal, high viscous liquid industrial process on-line viscosity measurement.
The utility model content
The purpose of this utility model is to provide a kind of intellectuality simple in structure, that measurement range is large, measuring accuracy is high online rotational viscosimeter, satisfy the needs of production run medium viscosity on-line measurement, such as being used for petroleum products, drilling fluid, the isoviscous measurement of printing ink.
For achieving the above object, the technical scheme taked of the utility model is:
The online rotational viscosimeter of a kind of intellectuality, the contactless coupling of the energy and signal has been adopted in the measurement of the torsion shaft moment of torsion of this viscosity meter, has solved the measurement of torque value under the rotation status, thereby finishes moment of torsion to the measurement of viscosity; Specifically constitute: described viscosity meter is comprised of measuring unit and power supply, control and processing unit two parts; Described measuring unit is: stepper motor and torsion shaft are separately fixed on stepper motor and the torsion shaft support plate, and stepper motor is connected with the power end of torsion shaft by shaft joint; Stepper motor and torsion shaft support plate are fixed on the installing plate, and described stepper motor, torsion shaft and stepper motor and torsion shaft support plate are in the protective cover, and this protective cover is fixed on the installing plate, and power supply and Signal plug are installed in protective cover top; Be pasted with foil gauge on the described torsion shaft, this foil gauge with same strain characteristic leads to described power supply and Signal plug Electricity Federation after forming measuring bridge; The measuring junction of described torsion shaft stretches out the installing plate below and links to each other with rotor, and the rotor guard shield is installed on the installing plate; Described power supply, control are connected with described power supply and Signal plug by polycore cable with processing unit and are communicated with described measuring unit and power supply, control and processing unit.
The utility model provides the intelligent online rotational viscosimeter that a kind of measuring accuracy is high, be applicable to the viscosity measurement of basic, normal, high viscosity all liq.Change traditional viscosity meter and measured moment of torsion obtaining the measuring method of viscosity with hairspring, and take CPU (central processing unit) as core, first the moment of torsion strain measurement has been applied in the rotational viscosimeter, thereby obtained viscosity number.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model viscosity measurement schematic diagram;
Fig. 3 is the control procedure synoptic diagram of the utility model torsion shaft.
Among the figure: 1-power supply and Signal plug; The 2-protective cover; The 3-stepper motor; The 4-shaft joint; The 5-torsion shaft; The 6-installing plate; 7-rinse water joint; The 8-rotor; 9-rotor guard shield; 10-stepper motor and torsion shaft support plate; 11-power supply, control and processing unit.
Embodiment
Below in conjunction with accompanying drawing the utility model and beneficial effect thereof are described in further detail.
As shown in Figure 1, the online rotational viscosimeter of a kind of intellectuality, the contactless coupling of the energy and signal has been adopted in the measurement of torsion shaft 5 moments of torsion of this viscosity meter, has solved the measurement of torque value under the rotation status, thereby finishes moment of torsion to the measurement of viscosity; Specifically constitute: described viscosity meter is comprised of measuring unit and power supply, control and processing unit 11 two parts; Described measuring unit is: stepper motor 3 is separately fixed on stepper motor and the torsion shaft support plate 10 with torsion shaft 5, and stepper motor 3 is connected with the power end of torsion shaft 5 by shaft joint 4; Stepper motor and torsion shaft support plate 10 are fixed on the circular mounting plate 6, described stepper motor 3, torsion shaft 5 are in the protective cover 2 with stepper motor and torsion shaft support plate 10, and this protective cover 2 is fixed on the circular mounting plate 6, and power supply and Signal plug 1 are installed in protective cover 2 tops; Be pasted with foil gauge on the described torsion shaft 5, be electrically connected with described power supply and Signal plug 1 after this foil gauge with same strain characteristic forms measuring bridge; The measuring junction of described torsion shaft 5 stretches out circular mounting plate 6 belows and links to each other with rotor 8, and rotor guard shield 9 is threaded on the circular mounting plate 6; Thereby described power supply, control are connected with described power supply and Signal plug 1 by polycore cable with processing unit 11 and are communicated with described measuring unit and power supply, control and processing unit 11.
The central controller of described power supply, control and processing unit 11 comprises ISM band 433mHz wireless transmit and accepts module (need not to apply for frequency), realizes that teledata receives and the control of viscosity meter running status.
With reference to Fig. 2, measuring principle of the present utility model is: the size of the size of rotor 8 and rotor guard shield 9 and gap, torsion shaft is that viscosity and the measurement range according to fluid to be measured provides as calculated.During rotor 8 rotation, under the same rotating speed, viscosity is different, and the moment of torsion that is reflected on the torsion shaft is different, thereby calculates viscosity number.Rb among Fig. 2, Rc, L are designed to constant, and control ω namely controls rotating speed, and the torque value that just can pass to by measuring rotor torsion shaft is expressed the viscosity number of surveying.Specifically: when stepper motor 3 drives torsion shaft 5 and rotor 8 rotation, after torsion shaft 5 is subjected to torsion to affect generation microdeformation, the foil gauge resistance that sticks on the torsion shaft 5 changes, the foil gauge that will have the same strain characteristic forms measuring bridge, and the variation that the variation of strain resistor can change voltage signal into is measured.The contactless coupling of the energy and signal has been adopted in the measurement of moment of torsion, and perfection has solved the measurement of torque value under the rotation status, thereby finishes moment of torsion to the measurement of viscosity.
With reference to Fig. 3, the control procedure of the utility model torsion shaft is: power supply is through power supply, after processing with processing unit 11, control delivers to the input energy sources coupling mechanism I of torsion shaft, through coupling mechanism the energy is delivered on the torsion shaft, become each electron device that burning voltage supplies with on the torsion shaft by the mu balanced circuit II of torsion shaft and comprise the strain bridge III, this strain bridge III converts the microdeformation of torsion shaft to voltage signal, amplify through its voltage amplifier IV and to deliver to the V/F(voltage/frequency) in the transducer V, through the output of torsion shaft output signal coupling mechanism VI, enter power supply by output square wave frequency signal after the shaping of signal output apparatus VII, the torque signal treatment circuit of control and processing unit 11.
The central processing unit of described power supply, control and processing unit 11 is the core of viscosity meter, different rotating speeds or shearing rate can be set, and this signal delivered to controllor for step-by-step motor, controller is delivered to stepper motor driver with signal, makes stepper motor drive torsion shaft and rotor by setting rotating speed.Simultaneously, torque signal is treated to the standard signal output that represents viscosity number.Signal can also be by wireless transmit/accept the module teletransmission and accept steering order.
When power supply, control and processing unit 11 drove torsion shaft 5 and rotor 8 rotation by the rotating speed of setting or shearing rate control step motor 3, the rotor 8, the rotor guard shield 9 that are immersed in the fluid to be measured were followed the moment of torsion reaction of Fig. 2 principle generation on torsion shaft 5.The viscosity of fluid to be measured is different, and the moment of torsion of generation is different.Torsion shaft 5 is pressed Fig. 3 flow process, by power supply and Signal plug 1 torque signal is sent to power supply, control and processing unit 11 and is treated to the standard signal output that represents viscosity number.Simultaneously by ISM band 433MHZ wireless transmission.
Correlation parameter of the present utility model is as follows:
◆ shearing rate scope: 10～1000Sec
-1, measurement range: 10～500000cp; Resolution: 2%FS; Response time:＜2s.
◆ continuous coverage, need not liquid is carried out sampling analysis, helpful to performance and the assurance product quality of optimizing product
◆ controller has the linear electric signal of multi-signal output mode: 4～20mA, RS-232/485, ISM band 433MHZ wireless transmit and reception (need not to apply for frequency)
◆ rotor and rotor guard shield automatic cleaning function are arranged
◆ can be according to API(American Petroleum Institute (API)) the shearing rate 511S that formulates
-1Measuring method is measured
◆ can according to PetroChina Company Limited.'s drilling fluid materials standard, replace six fast viscosity meters to carry out on-line measurement.
◆ environment for use temperature :-20～65 ℃.
◆ medium temperature: 0～250 ℃.
Claims (3)
1. online rotational viscosimeter of intellectuality, it is characterized in that: the contactless coupling of the energy and signal has been adopted in the measurement of the torsion shaft of this viscosity meter (5) moment of torsion, has solved the measurement of torque value under the rotation status, thereby finishes moment of torsion to the measurement of viscosity; Specifically constitute: described viscosity meter is comprised of measuring unit and power supply, control and processing unit (11) two parts; Described measuring unit is: stepper motor (3) is separately fixed on stepper motor and the torsion shaft support plate (10) with torsion shaft (5), and stepper motor (3) is connected with the power end of torsion shaft (5) by shaft joint (4); Stepper motor and torsion shaft support plate (10) are fixed on the installing plate (6), described stepper motor (3), torsion shaft (5) are in the protective cover (2) with stepper motor and torsion shaft support plate (10), and this protective cover (2) is fixed on the installing plate (6), and power supply and Signal plug (1) are installed in protective cover (2) top; Described torsion shaft is pasted with foil gauge on (5), is electrically connected with described power supply and Signal plug (1) after this foil gauge with same strain characteristic forms measuring bridge; The measuring junction of described torsion shaft (5) stretches out installing plate (6) below and links to each other with rotor (8), and rotor guard shield (9) is installed on the installing plate (6); Described power supply, control and processing unit (11) by polycore cable and described power supply and Signal plug (1) thus be connected and be communicated with described measuring unit and power supply, control and processing unit (11).
2. the online rotational viscosimeter of intellectuality according to claim 1, it is characterized in that: rinse water joint (7) is installed on the outer rim of described installing plate 6, and this rinse water joint (7) is communicated with described rotor guard shield (9).
3. the online rotational viscosimeter of intellectuality according to claim 1, it is characterized in that: the central controller of described power supply, control and processing unit (11) comprises the ISM band 433mHz wireless transmit that need not to apply for frequency and accepts module, realizes that teledata receives and the viscosity meter running status is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220427274 CN202814840U (en) | 2012-08-27 | 2012-08-27 | Intelligent online rotary viscosimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220427274 CN202814840U (en) | 2012-08-27 | 2012-08-27 | Intelligent online rotary viscosimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202814840U true CN202814840U (en) | 2013-03-20 |
Family
ID=47873699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220427274 Expired - Fee Related CN202814840U (en) | 2012-08-27 | 2012-08-27 | Intelligent online rotary viscosimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202814840U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807725A (en) * | 2015-04-24 | 2015-07-29 | 郭小曼 | Ink coating viscosity rapid tester |
| CN110763595A (en) * | 2019-10-29 | 2020-02-07 | 安徽工程大学 | Portable dual-purpose detection device and detection method for liquid viscosity |
-
2012
- 2012-08-27 CN CN 201220427274 patent/CN202814840U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807725A (en) * | 2015-04-24 | 2015-07-29 | 郭小曼 | Ink coating viscosity rapid tester |
| CN110763595A (en) * | 2019-10-29 | 2020-02-07 | 安徽工程大学 | Portable dual-purpose detection device and detection method for liquid viscosity |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202793967U (en) | Temperature-controllable rotary viscometer | |
| CN102539288B (en) | Double-coil type magnetorheological fluid rheological characteristic testing device | |
| CN103528925B (en) | The method of the rotational viscosimeter with paddle type rotor and measurement granule fluid viscosity thereof | |
| CN203299085U (en) | Automatic drilling fluid viscosity measuring device | |
| CN201897559U (en) | Constant-temperature rotary viscosimeter | |
| CN202814840U (en) | Intelligent online rotary viscosimeter | |
| CN202083610U (en) | Portable type rotary viscometer | |
| CN202869922U (en) | Viscosity measurement device | |
| CN202083413U (en) | Liquid adhesion transmission experiment testing arrangement | |
| CN101701894B (en) | Test system of spindle-type magnetorheological fluid performance | |
| CN204389342U (en) | A kind of viscosity meter | |
| CN202433278U (en) | Online automatic detecting device of sugar juice brix | |
| CN201242533Y (en) | Electric impedance type crude oil water-containing analyzer | |
| CN107490604A (en) | Analyzer of water content and utilization impedance type principle measurement measurement of water ratio method | |
| CN204924856U (en) | Detection apparatus for be used for surveing hot melt adhesive viscosity | |
| CN202599784U (en) | Resin material viscosity on-line detection device | |
| CN202471552U (en) | Two-coil type device for testing rheological property of magnetorheogical fluid | |
| CN202770732U (en) | Rotating viscosity measuring system | |
| CN205898203U (en) | Self -powered pipeline fluid flow and temperature measuring device | |
| CN102507901B (en) | Soil humidity measurement device and method based on dual-sensor data fusion technique | |
| CN103528926B (en) | A kind of fluid viscosity measurement device and method | |
| CN202533346U (en) | Self-excited vibrating online viscometer | |
| CN202992651U (en) | Crude oil online density measuring device | |
| CN203054646U (en) | Novel digital real-time viscosity control instrument | |
| CN209302741U (en) | A kind of reaction unit of the online viscosity measurements of band |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20130827 |