CN2458618Y - Electronic viscometer - Google Patents
Electronic viscometer Download PDFInfo
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- CN2458618Y CN2458618Y CN 00253736 CN00253736U CN2458618Y CN 2458618 Y CN2458618 Y CN 2458618Y CN 00253736 CN00253736 CN 00253736 CN 00253736 U CN00253736 U CN 00253736U CN 2458618 Y CN2458618 Y CN 2458618Y
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- viscosity
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Abstract
The utility model relates to an electronic viscometer which is a portable and intelligent measuring instrument for the viscosity of liquids. The electronic viscometer measures the rotary speed of a sensor and the rheologic and viscous resistance torque of the liquid by using the rotationally shearing movement of a special rotary torque sensor and the technologies of a microcomputer. The rheologic and viscous resistance torque is changed into data which can be processed by the microprocessor through a signal processing circuit. Then, the indexes of the viscosity of the liquids can be worked out through the microprocessor. When the utility model measures the viscosity of the blood, the electronic viscometer can monitor and record the variation of temperatures and pressure and guarantee the reliability of viscosity measurement. The utility model can be used for field monitoring in the processes of the production or the application of various related liquid. The electronic viscometer can also be used for measuring the technical indexes of the viscosity, the temperatures, the pressure, etc. of the liquids in a lab. The utility model provides a data checking base for realizing the automatic control in the process of production.
Description
The utility model relates to the viscosity technical indicator surveying instrument of liquid.Specifically be used in the production run and site of deployment to the measurement of the viscosity and the technical indicators such as temperature, pressure of liquid.
Viscosity number is one of existing general liquid important technology index in relevant liquid production and the application industry.But the detection means of liquid viscosity is also relatively backward at present, and is general still to use glass capillary formula liquid viscosity to count the master.It is to calculate its viscosity by observing liquid mobile distance and time in the glass pipe.This method not only Measuring Time is long, and operation and mobile all very inconvenient, and the glass pipe is broken easily again.Therefore this method can only be used in testing laboratory, is not suitable for the use of production scene, more can't be used for the abominable occasion of environment.And the true viscosity index in production or site of deployment of people's real concern often has very big difference with the result of testing laboratory again, and this is mainly because both testing environment differences cause.Such as temperature, pressure, dust, vibrations etc., it is consistent with on-the-spot value that this has just caused the measurement result that obtains in testing laboratory to be difficult to, and lets alone and accomplish real-time the detection.Also difficult digitizing and the Electronic Control of realizing of this measuring method seriously hindered the technical development of the sector simultaneously.
At present, also there is the motor of employing to drive rotor both at home and abroad, it is rotated in liquid by index dial, hairspring and rotating shaft etc.The viscosity resistance that rotor is subjected in liquid will the balance hairspring moment of torsion, hairspring then can drive pointer and reverse an angle on index dial.The size of windup-degree is directly proportional with the viscosity resistance of liquid, and the viscosity number that can measure liquid by the method comes.This method obviously is better than glass capillary type, also can realize electronization, is a a progressive step technically.But himself also still have and much be difficult to the weakness that overcomes.Such as: measurement range is less, operates more loaded down with trivial detailsly, and precision is low, and poor reliability is fragile, also is not easy to on-the-spot the use.In addition, this apparatus structure is also complicated, and machine work difficulty aborning is bigger, and this has also just restricted this The Application of Technology and popularization.
More than two kinds of method of testings, be the method for testing that generally adopts at present.Use inconvenience but these two kinds of method of testings all exist, to using method and the higher weakness of environmental requirement, in being difficult to adapt to modern production and using to measure in time, accurately, reliably, request for utilization easily.And above-mentioned method of testing function is too single, can not monitor the essential environmental factors that influences viscosity index simultaneously.Also do not have now a kind ofly can measure liquid viscosity and technical indicators such as temperature, pressure reliably simultaneously, can conveniently be used for the on-the-spot convenient means that detects again.In order to guarantee to produce the quality with scientific research, production run is implemented to monitor timely and effectively and control, just become that each relevant industries standardization is produced and management more and more presses for the practical problems of solution.
It is a kind of easy to use that the purpose of this utility model is to provide, and promptly can be used for the portable monitoring of liquid site of deployment viscosity, can be used for testing laboratory's fixed test again, can also be used for the effective means that production run realizes controlling liquid viscosity as in-line meter.It has overcome the deficiency of above-mentioned method of testing, and can measure simultaneously the viscosity of liquid and temperature, pressure index accurately, easily.When measuring automatically, can realize the automatic measurement of viscosity according to the temperature that sets, pressure, time.And the retrieval that can finish mean value calculation, measurement data be connected computer realization and produce functions such as control or printout automatically, the key technical indexes that has solved liquid is fast measured and control reliably.
According to design of the present utility model: a kind of electronics viscosity meter is made up of sensing probe (14) or (15) or (16), temperature sensor (17), pressure transducer (18), display unit (2), electric battery (7), charging/communication interface (23), power switch (12), level indicator (11), chuck holder (4) and casing (1) part.
It is characterized in that: torque sensor (8) is connected with sensing probe (14) or (15) or (16) selected according to different viscosities with sensing probe connector (13) by transmission shaft (5), sensor (8) is transformed into current signal by the torque signal of doing the rotational shear campaign produce in liquid, convert frequency signal to through advance signal treatment circuit (19) and analog-digital converter circuit (20), the data that this signal and setting/keyboard circuit (3) are preset, together calculate the viscosity data of liquid according to rheological resistance and viscosity correlationship, connect computing machine output measurement result by display unit (2) or communication interface circuit (9) again through microprocessor (21).
Accompanying drawing of the present utility model is as follows:
Fig. 1 is the outward appearance front schematic view of electronics viscosity meter;
Fig. 2 is the cut-away view of electronics viscosity meter;
Fig. 3 is three kinds of sensing probe front views of electronics viscosity meter;
Fig. 4 is the functional-block diagram of electronics viscosity meter;
Fig. 5 is the circuit theory diagrams of electronics viscosity meter.
Specify as follows:
1. instrument external structure (see figure 1): housing (1) upper end is provided with level indicator (11), said level indicator (11) lower end is equipped with liquid crystal display (2) and is used to be provided with the keypad (3) of technical parameter, be provided with chuck holder (4) in the lower end of housing (1), be provided with temperature, pressure sensor interface (10) and power switch (12) in the left side of housing (1), be provided with charging/communication interface (23) on the right side of housing (1).
2. instrument internal structure (see figure 2): data processing unit circuit board (6), electric battery (7), torque sensor (8) are equipped with in housing (1) inside.Said torque sensor (8) lower end can be connected with the sensing connector (13) of different viscosities measurement sensing probe (14), (15), (16) respectively by transmission shaft (5).
3. Sensor section (see figure 3): by transmission shaft (5) and sensing connector (13), require available different sensing probe (14) or (15) or (16) composition with the foundation viscosity measurement by miniature rotary torque sensor (8).Torque sensor (8) is directly converted to the current signal that is directly proportional with it by the rotational shear campaign of sensing probe in liquid with the liquid viscosity resistance of sensing, and sends data processing unit (6) to.
4. data processing unit (see figure 5): by advance signal handle (19), analog-to-digital conversion (20), microprocessor (21), sensor control (22), and setting/keyboard circuit (3) and communication interface circuit such as (9) form.The moment of torsion analog current signal that sensor (8) is sent here at first carries out the advance signal processing through U03, U04A and U05 circuit, it is transformed into the voltage signal that is directly proportional with the liquid viscosity resistance, give microprocessor (21) and carry out analog to digital conversion and data processing, microprocessor (21) calculates the viscosity data of liquid according to rheological resistance and viscosity correlationship.Microprocessor (21) is by sensor control circuit (22) monitoring of being made up of U06 and U01 circuit and the rotating speed of controlling sensor (8) simultaneously.
5. setting/keyboard circuit (3) can be according to the different viscosities measurement requirement of liquid, through the rotating speed of microprocessor (21) and setting/keyboard circuit (3) setting sensor (8) of being made up of S03, S04; Match the face shaping (see figure 3) of corresponding sensing probe simultaneously, the change that can realize measuring range ability.This circuit can also be provided with " automatically " or " manually " metering system, can be according to the measuring condition set when " automatically " measures: finish viscosity measurement automatically as temperature, pressure, time etc.This circuit can also be operated the progress of work and the data way of output of this instrument of control in addition.
6. display unit and output circuit (see figure 4): display unit (2) is made up of driving circuit, LCD.Microprocessor (21) is given display driver circuit with result of calculation, to drive liquid crystal display displays result of calculation.Also can connect computing machine simultaneously measurement result is printed, or directly Monitoring Data be sent into the central production control unit, to realize the real-time control of liquid production by interface circuit (9).When instrument power source is not enough, can be connected with charger by charging/interface (23) and charges.
7. this instrument can be fixed on the special-purpose frame in the testing laboratory by chuck holder (4) (see figure 1) and use, or directly be fixed on the monitoring point or the discharge end of production run, promptly can be used as the in-line meter of production, testing result is delivered to the closed-loop control that control center finishes liquid production by charging/interface (23).
8. the measurement (see figure 4) of fluid temperature and pressure: only need temperature or pressure transducer are inserted in the fluid to be measured, be transformed into voltage signal by the U04B pre-process through R11, the signal that sensor is recorded is passed to microprocessor circuit (21) and is carried out temperature and the force value that analog to digital conversion and data processing draw, and the control of complying with setting/keyboard circuit (3) setting value, finish the collection of viscosity data automatically.
Adopting the rotary torque approach sensor is the better means that realize liquid viscosity measuring, particularly to the measurement of non-Newtonian fluid.It utilizes the rheology principle of liquid, does the viscosity resistance that the rotational shear campaign can reflect liquid exactly by the probe of torque sensor in liquid.This test mode not only can reflect the rheological characteristics of liquid exactly, and has high measurement susceptibility, can guarantee splendid measurement correlativity again.The method is easy to use, reliable, directly perceived, promptly can be used for on-the-spot hand-held, also can be used for testing laboratory's fixed test, can also use as the in-line meter in the commercial production.Its advantage is conspicuous, also is that traditional glass capillary formula and rotary liquid viscosimeter is unrivaled.
The utility model has the advantage of:
1. can measure simultaneously viscosity and the indexs such as temperature, pressure of liquid;
2. can realize constant temperature, level pressure, timing automatic measurement;
3. measurement wide dynamic range, the precision height does not have personal error;
4. can carry out the mean value calculation of measured value;
5. quick and easy to use, directly perceived, test only needs 5 seconds;
6. low in energy consumption, long service life;
7. industrial structure design, the reliability height, small and exquisite, be convenient for carrying and fix use;
8. the record data amount is consulted survey record greatly and arbitrarily;
9. connect computer printout output measurement result, or do online test and control;
10. be suitable for large-scale industrial production, cost is low.
Patent retrieval by the scientific and technical literature of China metering institute Office for Scientific and Technical Information is looked into new and Patent Office proves that this technology is to belong to international advanced technology.
Claims (5)
1. an electronics viscosity meter is made up of sensing probe (14) or (15) or (16), temperature sensor (17), pressure transducer (18), display unit (2), electric battery (7), charging/communication interface (23), power switch (12), level indicator (11), chuck holder (4) and casing (1) part; It is characterized in that: torque sensor (8) is connected with sensing probe (14) or (15) or (16) selected according to different viscosities with sensing probe connector (13) by transmission shaft (5), sensor (8) is transformed into current signal by the torque signal of doing the rotational shear campaign produce in liquid, convert frequency signal to through advance signal treatment circuit (19) and analog-digital converter circuit (20), the data that this signal and setting/keyboard circuit (3) are preset, together calculate the viscosity data of liquid according to rheological resistance and viscosity correlationship, connect computing machine output measurement result by display unit (2) or communication interface circuit (9) again through microprocessor (21).
2. electronics viscosity meter according to claim 1 is characterized in that sensor (8) rotating speed that microprocessor (21) is set according to setting/keyboard circuit (3), by the rotating speed of rotating-speed control circuit (22) control and stability sensor (8).
3. electronics viscosity meter according to claim 1, the simulating signal that it is characterized in that temperature sensor (17), pressure transducer (18) induction converts digital signal to by advance signal treatment circuit (19) and analog-digital converter circuit (20), handle temperature and the force value that draws through microprocessor (21), and the control of complying with setting/keyboard circuit (3) setting value, finish the collection of viscosity data automatically.
4. electronics viscosity meter according to claim 1, it is characterized in that matching one of corresponding sensing probe (14), (15), (16) according to the different viscosities measurement requirement, and sensor (8) rotating speed of setting/keyboard circuit (3) setting, change the range ability of testing.
5. electronics viscosity meter according to claim 1 is characterized in that microprocessor (21) connects the outer computer output data through communication interface circuit (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00253736 CN2458618Y (en) | 2000-10-09 | 2000-10-09 | Electronic viscometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00253736 CN2458618Y (en) | 2000-10-09 | 2000-10-09 | Electronic viscometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2458618Y true CN2458618Y (en) | 2001-11-07 |
Family
ID=33611130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00253736 Expired - Fee Related CN2458618Y (en) | 2000-10-09 | 2000-10-09 | Electronic viscometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2458618Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950155A (en) * | 2017-05-23 | 2017-07-14 | 福州幻科机电科技有限公司 | A kind of cross Newtonian liquid viscosity strain gauge |
| CN107643237A (en) * | 2017-10-13 | 2018-01-30 | 奇思智控（天津）商贸有限公司 | Viscosimeter |
| CN107703028A (en) * | 2017-06-22 | 2018-02-16 | 武汉理工大学 | SCM Based miniature viscosity sensor |
| CN109031941A (en) * | 2018-06-15 | 2018-12-18 | 营口康辉石化有限公司 | Resin viscosity control system and detection method |
| CN109612879A (en) * | 2018-12-31 | 2019-04-12 | 武汉理工大学 | A kind of portable lubrication oil viscosity field measurement apparatus |
| WO2019135677A1 (en) | 2018-01-03 | 2019-07-11 | Technische Universiteit Delft | Portable viscometer and method of measuring a medium' s viscosity |
| CN111307666A (en) * | 2020-03-19 | 2020-06-19 | Oppo（重庆）智能科技有限公司 | Solder paste viscosity testing method and solder paste viscosity testing device |
| CN106950155B (en) * | 2017-05-23 | 2024-05-28 | 甘肃瑞峰伟业电子科技有限公司 | Cross Newtonian liquid viscosity stress sensor |
-
2000
- 2000-10-09 CN CN 00253736 patent/CN2458618Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950155A (en) * | 2017-05-23 | 2017-07-14 | 福州幻科机电科技有限公司 | A kind of cross Newtonian liquid viscosity strain gauge |
| CN106950155B (en) * | 2017-05-23 | 2024-05-28 | 甘肃瑞峰伟业电子科技有限公司 | Cross Newtonian liquid viscosity stress sensor |
| CN107703028A (en) * | 2017-06-22 | 2018-02-16 | 武汉理工大学 | SCM Based miniature viscosity sensor |
| CN107643237A (en) * | 2017-10-13 | 2018-01-30 | 奇思智控（天津）商贸有限公司 | Viscosimeter |
| CN107643237B (en) * | 2017-10-13 | 2024-04-30 | 南京谱蒂亮森信息科技有限公司 | Viscometer (viscosimeter) |
| WO2019135677A1 (en) | 2018-01-03 | 2019-07-11 | Technische Universiteit Delft | Portable viscometer and method of measuring a medium' s viscosity |
| CN109031941A (en) * | 2018-06-15 | 2018-12-18 | 营口康辉石化有限公司 | Resin viscosity control system and detection method |
| CN109612879A (en) * | 2018-12-31 | 2019-04-12 | 武汉理工大学 | A kind of portable lubrication oil viscosity field measurement apparatus |
| CN111307666A (en) * | 2020-03-19 | 2020-06-19 | Oppo（重庆）智能科技有限公司 | Solder paste viscosity testing method and solder paste viscosity testing 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 |