CN2733341Y - Rotary viscosity measuring instrument - Google Patents
Rotary viscosity measuring instrument Download PDFInfo
- Publication number
- CN2733341Y CN2733341Y CN 200420107254 CN200420107254U CN2733341Y CN 2733341 Y CN2733341 Y CN 2733341Y CN 200420107254 CN200420107254 CN 200420107254 CN 200420107254 U CN200420107254 U CN 200420107254U CN 2733341 Y CN2733341 Y CN 2733341Y
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- CN
- China
- Prior art keywords
- viscosity
- measuring instrument
- rotary
- viscosity measuring
- float
- 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
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Abstract
The utility model discloses a rotary viscosity measuring instrument, comprising a base, a bracket, a rotary driving system and a viscosity measuring system. The rotary driving system comprises a motor and a gear transmission mechanism. The viscosity measuring system comprises a viscosity torque converting device, a sensing device and a data processing device. The data processing device comprises an amplified circuit and an analog-to-digital conversion display. The manual data read is replaced by the sensing device, and as a result, the data read is accurate and the operation is simple; the linear error of the spring is not needed to be checked, reducing the measuring error of the measuring instrument.
Description
Affiliated technical field
The utility model belongs to the fluid liquid viscometer, is specifically related to a kind of rotary viscosity measuring instrument.
Background technology
In production and scientific research, often need measure the viscosity of liquid fluid, the rotary viscosity measuring instrument is exactly a kind of surveying instrument of using always, and it can carry out viscosity measurement to fluids such as Newtonian fluid, plastic fluid, pseudoplastic fluids.
Known rotary viscosity measuring instrument comprises motor, gear train, outer sleeve, float, float fulcrum pin, index dial, magnifier, torsion spring, torsion spring calibration equipment.During measurement, the direct motor drive gear train, the outer sleeve that fluid liquid to be measured is equipped with in drive rotates, fluid float forced to move and float fulcrum pin rotation, torsion spring applies a reacting force to float fulcrum pin simultaneously, and when reaching equilibrium of forces, the index dial that is fixed on the float fulcrum pin rotates certain numerical value, operating personnel read this numerical value by magnifier, draw viscosity number by the computing of tabling look-up then.
The defective of known rotary viscosity measuring instrument is: 1. reading of data is carried out loaded down with trivial details computing again by manually finishing, and measuring speed is slow, and error is big; 2. in order to reduce the error of measuring instrument self, often the linear error of torsion spring to be carried out verification, the verification difficulty is bigger, is difficult for grasping, and makes troubles to measurement.
The utility model content
In order to overcome the above-mentioned defective that exists in the known technology, it is a kind of simple to operate that the utility model provides, and measures accurate rotary viscosity measuring instrument.
The rotary viscosity measuring instrument that the utility model provides comprises base, support, rotary drive system, viscosity measurement system, this rotary drive system comprises motor, gear drive, and this viscosity measurement system comprises viscosity goes through torque conversion device, sensing device, data processing equipment; This data processing equipment is made of amplifying circuit, analog to digital conversion display.
Described viscosity goes through torque conversion device comprises outer sleeve, float, float fulcrum pin, inner sleeve, bearing.Described sensing device can be a pressure sensor device, is made of pressure transducer, buffer spring, silk string, fixed cover; Fixed cover and float fulcrum pin fixed connection, silk string one end and fixed cover connect fixing, and the other end connects buffer spring, and the buffer spring other end connects the pressure transducer that is fixedly installed on the support.This pressure transducer is connected with the analog to digital conversion display by amplifying circuit, this amplifying circuit be enlargement factor greater than 250, precision 1% is with interior dc amplification circuit.
When the viscosity of liquid towards fluid is measured, the direct motor drive gear train of rotary drive system, the outer sleeve that fluid liquid to be measured is equipped with in drive rotates, fluid float forced to move and float fulcrum pin rotation, sensing device transfers data to the analog to digital conversion display by amplifying circuit, obtains viscosity numerical value then.
The rotary viscosity measuring instrument that the utility model provides owing to adopt sensing device, has substituted artificial data and has read, and data read is accurate, and is simple to operate; Need not the linear error of spring is carried out verification, reduced the measuring error of measuring instrument.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
The amplifying circuit synoptic diagram of Fig. 2 the utility model embodiment one.
Shown in the figure: 1. base; 2. support; 3. motor; 4. gear drive; 5. analog to digital conversion display; 6. outer sleeve; 7. float; 8. float fulcrum pin; 9. inner sleeve; 10. bearing; 11. pressure transducer; 12. buffer spring; 13. silk string; 14. fixed cover.
Embodiment
With reference to the accompanying drawings embodiment of the present utility model is described in detail.
Embodiment one
With reference to Fig. 1, Fig. 2, the rotary viscosity measuring instrument of present embodiment is made of base 1, support 2, rotary drive system, viscosity measurement system, this rotary drive system is made of motor 3, gear drive 4, and this viscosity measurement system comprises viscosity goes through torque conversion device, sensing device, data processing equipment; Above-mentioned viscosity goes through torque conversion device comprises outer sleeve 6, float 7, float fulcrum pin 8, inner sleeve 9, bearing 10.Above-mentioned sensing device is by pressure sensor device, and this pressure sensor device comprises pressure transducer 11, buffer spring 12, silk string 13, fixed cover 14; Fixed cover 14 and float fulcrum pin 8 fixed connections, silk string 13 1 ends and fixed cover 14 connect fixing, and the other end connects buffer spring 12, and buffer spring 12 other ends connect the pressure transducer 11 that is fixedly installed on the support 2.Amplifying circuit shown in Figure 3, A end connects pressure transducer 11, B end connection mode number conversion display, this amplifying circuit adopt enlargement factor greater than 250, precision 1% is with interior dc amplification circuit.
When the viscosity of liquid towards fluid is measured, motor 3 driven wheel gear trains 4, the outer sleeve 6 that drive fills fluid liquid to be measured rotates, fluid float 7 forced to move and float fulcrum pin 8 rotate, silk string 13 passes to pressure transducer 11 with the acting force that is subjected to by buffer spring 12, after pressure transducer 11 reads stress data, be transferred to analog to digital conversion display 5, draw the viscosity number of fluid liquid to be measured by amplifying circuit.
Claims (4)
1. a rotary viscosity measuring instrument comprises base (1), support (2), rotary drive system, viscosity measurement system, this rotary drive system comprises motor (3), gear drive (4), it is characterized in that: this viscosity measurement system comprises viscosity goes through torque conversion device, sensing device, data processing equipment; Described data processing equipment comprises amplifying circuit, analog to digital conversion display (5).
2. rotary viscosity measuring instrument according to claim 1 is characterized in that: described viscosity goes through torque conversion device comprises outer sleeve (6), float (7), float fulcrum pin (8), interior sleeve (9), bearing (10).
3. rotary viscosity measuring instrument according to claim 1, it is characterized in that: described sensing device is a pressure sensor device, this pressure sensor device comprises pressure transducer (11), buffer spring (12), silk string (13), fixed cover (14), fixed cover (14) and float fulcrum pin (8) fixed connection, silk string (13) one ends and fixed cover (14) connect fixing, the other end connects buffer spring (12), and buffer spring (12) other end connects the pressure transducer (11) that is fixedly installed on the support (2).
4. rotary viscosity measuring instrument according to claim 1 is characterized in that: described amplifying circuit be enlargement factor greater than 250, precision 1% is with interior dc amplification circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420107254 CN2733341Y (en) | 2004-10-28 | 2004-10-28 | Rotary viscosity measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420107254 CN2733341Y (en) | 2004-10-28 | 2004-10-28 | Rotary viscosity measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2733341Y true CN2733341Y (en) | 2005-10-12 |
Family
ID=35069181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420107254 Expired - Fee Related CN2733341Y (en) | 2004-10-28 | 2004-10-28 | Rotary viscosity measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2733341Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175756A (en) * | 2011-12-22 | 2013-06-26 | 澳思登科学仪器(上海)有限公司 | Driving unit and liquid viscosity measurement instrument |
| CN105973754A (en) * | 2016-07-21 | 2016-09-28 | 湖南三德科技股份有限公司 | Viscidity judging device for sample collection and processing |
| CN106018180A (en) * | 2016-05-20 | 2016-10-12 | 濮阳市昌盛胶业科技有限公司 | Rapid glass cement viscosity determination device |
-
2004
- 2004-10-28 CN CN 200420107254 patent/CN2733341Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175756A (en) * | 2011-12-22 | 2013-06-26 | 澳思登科学仪器(上海)有限公司 | Driving unit and liquid viscosity measurement instrument |
| CN106018180A (en) * | 2016-05-20 | 2016-10-12 | 濮阳市昌盛胶业科技有限公司 | Rapid glass cement viscosity determination device |
| CN105973754A (en) * | 2016-07-21 | 2016-09-28 | 湖南三德科技股份有限公司 | Viscidity judging device for sample collection and processing |
| CN105973754B (en) * | 2016-07-21 | 2018-09-07 | 湖南三德科技股份有限公司 | Sticky judgment means for gathering and processing of sample |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |