CN2275242Y - Digital display type fluid viscometer - Google Patents
Digital display type fluid viscometer Download PDFInfo
- Publication number
- CN2275242Y CN2275242Y CN 96227112 CN96227112U CN2275242Y CN 2275242 Y CN2275242 Y CN 2275242Y CN 96227112 CN96227112 CN 96227112 CN 96227112 U CN96227112 U CN 96227112U CN 2275242 Y CN2275242 Y CN 2275242Y
- Authority
- CN
- China
- Prior art keywords
- urceolus
- fluid
- moving plate
- digital display
- angle
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 31
- 238000012545 processing Methods 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 230000004069 differentiation Effects 0.000 abstract 1
- 230000003321 amplification Effects 0.000 description 6
- 238000003199 nucleic acid amplification method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 239000012467 final product Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical class O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
Images
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model relates to a digital display formula fluid viscometer who constitutes by measuring mechanism and signal processing system, its measuring mechanism is by interior, the urceolus constitutes the parking space by the fluid of survey, the urceolus rotates and takes the fluid rotation even, thereby it rotates to drive the inner tube, reflect turned angle by the rotor with the inner tube is coaxial, angle sensor produces corresponding signal of telecommunication according to this angle, via enlargiing the plastic, frequency multiplication and differentiation, the signal processing system operation and the processing that host computer display circuit constitutes, demonstrate the viscosity number again, it is reliable to have the principle, high durability and convenient use, the advantage that the accuracy is high, can extensively be used for measuring fields such as the absolute viscosity of various newton's fluid.
Description
A kind of digital display type fluid viscosity meter of forming by measuring mechanism and signal processing system that is used to measure fluid viscosity and the demonstration of realization numeral of the utility model design.
In Chemical Manufacture, chemical experiment and other many research and production processes, often to measure the viscosity of fluid.At present, the method of measuring fluid viscosity is many, more ancient mode is to be detected the instillation number of unit interval inner fluid by titrimetry, draw its viscosity number according to conversion, as above marine products " surplus 4 viscosity meters " etc., this method is relatively simple for structure, easy to use, the cost of instrument own is lower, but its measuring accuracy is poor, often can not satisfy the needs of scientific research.Some advanced viscosity meters also are commonly used, the NAX-1 type rotary viscosimeter that produces as Shanghai, zhejiang and other places etc., but the measuring accuracy of these viscosity meters is still poor, it is also not too convenient to use, the cost of instrument itself is higher, especially in today that electronic computer technology generally uses, existing viscosity meter also is difficult for and the high surveying instrument of the intelligent degree of the supporting formation of microcomputer.
It is low that goal of the invention of the present utility model is to overcome the intelligent degree that exists in the technology of existing measurement fluid viscosity, shortcomings such as measuring accuracy difference, seek to design a kind of mode that adopts angle sensor technology and microcomputer technology to combine, form a kind of intelligent digital display type fluid viscosity meter of measuring and being shown in one that collects.
In order to realize the foregoing invention purpose, ultimate principle of the present utility model forms according to Newton's law, make the detected fluid rotation with external force, the turning moment of its generation acts on the object that can angles of display changes, detect the variation of its angle with angular transducer again and reflect that electric signal sends signal processing circuit to and handles, after the main frame computing, on display, show again with viscosity number.According to above-mentioned principle, the utility model mainly is made up of measuring mechanism and signal processing system two large divisions.In measuring mechanism, be shaped on the taper inner core of tape spool in the circular outer cylinder that variable-ratio rotates, form annular space in the middle of urceolus and the inner core and deposit detected fluid, inner core axle top cover system can with the moving plate and the two-way torque spring of axle corotation, open on the moving plate and make the uniformly-spaced groove of angle, with the rotational angle of angular transducer conjunction measuring moving plate, and produce with angle by sensor and to change corresponding electric signal, send signal processing system to.Signal processing system mainly is made up of with sensing circuit, main frame display circuit amplification and rectification circuit, frequency multiplication.Its effect is will amplify shaping by the electric signal that angular transducer produces earlier, and the square wave of outputting standard again with the square wave quadruple, and picks out the rotation direction (clockwise or counterclockwise) of moving plate.Output is useful pulse when clockwise rotating, and output then is the useless pulse that shake brings when rotating counterclockwise, and should deduct this umber of pulse in counting.Signal after quadruple and sensing sends the main frame display circuit to.After fixed program handles by design, demonstrate the viscosity of institute's fluid measured by display screen.
The utility model compares with the existing technology of measuring fluid viscosity that to have the complete machine principle reliable, uses easy to operately, and advantage such as accuracy is good adopts single-chip microcomputer processing measuring-signal, intelligent degree height, and degree of accuracy is good, and the employing digital display, and intuitive is good.
Fig. 1 is the measuring mechanism theory structure synoptic diagram of the utility model.
Fig. 2 is the amplification and rectification circuit schematic diagram of the utility model.
Fig. 3 is the frequency multiplication and the sensing circuit theory diagrams of the utility model.
Describe embodiment below in conjunction with accompanying drawing: measuring mechanism is made up of base (1), pallet (2), urceolus (3), inner core (4), urceolus bayonet socket (5), moving plate (7), inner core axle (8), two-way torque spring (9), gear case (10), support (11) and angular transducer (12) etc.Urceolus (3) can be made into upper and lower two parts, be integral through urceolus bayonet socket (5) interlocking, gear mesh in its upper end and the gear case (10), to reach the purpose that speed governing is rotated, gear in the gear case (10) is by the external application motor drives and can adjust six rotating speed shelves, and detected fluid (6) is housed in the bottom of urceolus (3).Be shaped on the taper inner core (4) of band inner core axle (8) in the urceolus (3), form annular space in the middle of urceolus (3) and the inner core (4), so that deposit detected fluid (6) during measurement viscosity.The top of inner core axle (8) cover system can with the moving plate (7) and the two-way torque spring (9) of its corotation, when the fluid that is rotated when inner core (4) drives transhipment, moving plate rotates in the same way, open on the moving plate (7) and make the uniformly-spaced groove of angle (13), with the rotational angle of angular transducer (12) conjunction measuring moving plate, angular transducer (12) produces corresponding electric signal and sends signal processing system to through electric wire according to the rotation variation of moving plate (7).It is the cylinder sheet of 1mm that moving plate (7) is selected thickness for use, and diameter is 5-8mm, and above every groove of 2 ° of spaced apart systems, its width is 1 °-2 °.Angular transducer (12) can be selected commercially available standard angle sensor for use, also can be with self-controls such as photosensitive tubes, its effect all should be able to produce electric impulse signal exactly effectively according to the rotation of moving plate, these pulse signals can reach and improve the purpose of measuring viscosity through after the follow-up circuit quadruple.
Signal processing system mainly is made up of amplification and rectification circuit (Fig. 2), frequency multiplication and sensing circuit (Fig. 3), main frame display circuit.The main frame display circuit adopts existing single-chip microcomputer and display to get final product.Amplification and rectification circuit adopts conventional circuit connection structure, and amplification and the shaping that can finish input signal become the standard square wave, the resistance R in the circuit
1, R
2, R
5, R
6, select the 22K resistance for use, resistance R
3And R
4Choose the resistance of 12K, integrated circuit (IC)
1, IC
2Choosing commercially available LM393 chip gets final product.The pulse signal that is produced by angular transducer (12) inputs to amplification and rectification circuit through INA and INB two ends after the square-wave signal that circuit amplifies and shaping becomes standard is input to A, the B corresponding end of follow-up frequency multiplication and sensing circuit again by OUTA and OUTB two ends, after frequency multiplication and sensing circuit are handled by the output of A ' B ' two ends, again through cable and main frame display circuit electric connection.Its main frame is handled and is calculated by original software degree according to input signal, and is shown by display with viscosity number, also can be come out by printer prints.The connection of frequency multiplication and sensing circuit circuit structure electric connection is routinely formed, wherein electrochemical capacitor C
1With resistance R
7, electrochemical capacitor C
2With resistance R
9, electrochemical capacitor C
3With resistance R
11, electrochemical capacitor C
4With resistance R
13Connect into differentiating circuit respectively, resistance-capacitance constant RC=0.06ms.Diode D
1, D
2, D
3And D
4Respectively with resistance R
7, R
9, R
11And R
13Reversal connection in parallel is to filter the negative half period of differentiated pulse.Resistance R
7, R
9, R
11And R
13Resistance be 60 Ω, resistance R
8, R
10, R
12And R
14Resistance be 2.7K, electrolytic condenser C
1, C
2, C
3And C
4Capacitance be 1 μ F, withstand voltage 10V; Diode D
1, D
2, D
3And D
4Choosing the 2AP9 model gets final product.Integrated minute gate circuit F
1, F
2, F
3, F
4, F
5And F
67404 types of all choosing divide door chip, integrated circuit (IC)
3, IC
4, IC
5And IC
6All choose 7407 cake cores.Integrated circuit (IC)
7And IC
3Choosing the 74LS54 cake core gets final product.
The utility model can be directly used in the absolute viscosity of measuring Newtonian fluid, the plastic viscosity of plastic fluid, yield value, apparent viscosity and gel strength, the flow index of pseudoplastic fluid and consistency index etc.During use, open urceolus bayonet socket (5), take off the bottom of urceolus (3) and be loaded on detected fluid, shut urceolus bayonet socket (5) then, inner core (4) is included in the detected fluid, the speed change of regulating tooth roller box is rotated the top cylinder constant speed, can be according to the fundamental characteristics and the control condition of detected fluid, and main control system work also demonstrates its viscosity numerical value.
Claims (3)
1, a kind of digital display type fluid viscosity meter of forming by measuring mechanism and signal processing system that is used to measure fluid viscosity, it is characterized in that being shaped in the circular outer cylinder that variable-ratio rotates the taper inner core of tape spool, form annular space in the middle of urceolus and the inner core and deposit detected fluid, inner core axle top cover system can with the moving plate and the two-way torque spring of axle corotation, open on the moving plate and make the uniformly-spaced groove of angle, with the rotational angle of angular transducer conjunction measuring moving plate, and produce by sensor and to change corresponding electric signal with angle and send signal processing system to.
2, digital display type fluid viscosity meter according to claim 1 is characterized in that urceolus can be made into upper and lower two parts, is integral through the interlocking of urceolus bayonet socket, and the gear mesh in its upper end and the gear case rotates to reach speed governing.
3, digital display type fluid viscosity meter according to claim 1 is characterized in that it is the round copper sheet of 1mm that moving plate is selected thickness for use, and diameter is 5-8mm, and above every groove of 2 ° of spaced apart systems, its width is 1 °-2 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96227112 CN2275242Y (en) | 1996-01-13 | 1996-01-13 | Digital display type fluid viscometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96227112 CN2275242Y (en) | 1996-01-13 | 1996-01-13 | Digital display type fluid viscometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2275242Y true CN2275242Y (en) | 1998-02-25 |
Family
ID=33905309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96227112 Expired - Fee Related CN2275242Y (en) | 1996-01-13 | 1996-01-13 | Digital display type fluid viscometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2275242Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830044A (en) * | 2012-03-05 | 2012-12-19 | 韩文峰 | Viscometer used for real-time monitoring in petroleum drilling |
| CN104914016A (en) * | 2015-05-26 | 2015-09-16 | 水利部交通运输部国家能源局南京水利科学研究院 | Measuring method of sludge flowing states |
| CN105051518A (en) * | 2012-12-21 | 2015-11-11 | 蓝帜株式会社 | Viscosity measurement method and viscosity measurement device |
| CN107850522A (en) * | 2015-05-07 | 2018-03-27 | 蓝帜株式会社 | Viscosity measurement and viscosimeter |
| CN113884409A (en) * | 2021-08-20 | 2022-01-04 | 河海大学 | Liquid viscosity coefficient measuring system and method |
| CN116818606A (en) * | 2022-10-14 | 2023-09-29 | 东莞市鸿馥生物科技有限公司 | Tobacco tar dynamic viscosity detection device |
-
1996
- 1996-01-13 CN CN 96227112 patent/CN2275242Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830044A (en) * | 2012-03-05 | 2012-12-19 | 韩文峰 | Viscometer used for real-time monitoring in petroleum drilling |
| CN102830044B (en) * | 2012-03-05 | 2014-05-28 | 韩文峰 | Viscometer used for real-time monitoring in petroleum drilling |
| CN105051518A (en) * | 2012-12-21 | 2015-11-11 | 蓝帜株式会社 | Viscosity measurement method and viscosity measurement device |
| CN105051518B (en) * | 2012-12-21 | 2018-11-27 | 蓝帜株式会社 | Viscosity measurement and viscosimeter |
| CN107850522A (en) * | 2015-05-07 | 2018-03-27 | 蓝帜株式会社 | Viscosity measurement and viscosimeter |
| CN107850522B (en) * | 2015-05-07 | 2020-12-25 | 蓝帜株式会社 | Viscosity measurement method and viscosity measurement device |
| CN104914016A (en) * | 2015-05-26 | 2015-09-16 | 水利部交通运输部国家能源局南京水利科学研究院 | Measuring method of sludge flowing states |
| CN113884409A (en) * | 2021-08-20 | 2022-01-04 | 河海大学 | Liquid viscosity coefficient measuring system and method |
| CN116818606A (en) * | 2022-10-14 | 2023-09-29 | 东莞市鸿馥生物科技有限公司 | Tobacco tar dynamic viscosity detection device |
| CN116818606B (en) * | 2022-10-14 | 2024-01-12 | 东莞市鸿馥生物科技有限公司 | Tobacco tar dynamic viscosity detection device |
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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 |