CN102809523B - Full-automatic jacket-type ubbelohde viscometer injecting samples from bottom - Google Patents
Full-automatic jacket-type ubbelohde viscometer injecting samples from bottom Download PDFInfo
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- CN102809523B CN102809523B CN201210290328.2A CN201210290328A CN102809523B CN 102809523 B CN102809523 B CN 102809523B CN 201210290328 A CN201210290328 A CN 201210290328A CN 102809523 B CN102809523 B CN 102809523B
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- 239000007788 liquid Substances 0.000 claims abstract description 56
- 238000005259 measurement Methods 0.000 claims abstract description 35
- 238000012360 testing method Methods 0.000 claims description 20
- 239000002699 waste material Substances 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract 3
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a full-automatic jacket-type ubbelohde viscometer injecting samples from the bottom. The full-automatic jacket-type ubbelohde viscometer injecting samples from the bottom comprises a jacket (1), a main measurement tube (2), a liquid extraction tube (3) and an emptying tube (4), wherein the main measurement tube (2), the liquid extraction tube (3) and the emptying tube (4) are mounted in the jacket (1), and the main measurement tube (2) is communicated with the liquid extraction tube (3) and the emptying tube (4) and comprises an upper straight tube (5), a cushion pocket (6), a measurement ball (7), a capillary tube (8) and a lower sample injection tube (9) which are positioned on the same axis and sequentially connected from top to bottom. Besides, an upper measuring position (10) and a lower measuring position (11) are arranged above and below the measurement ball (7) respectively, and sensor mounting tubes (12) are arranged at the positions corresponding to the upper measuring position (10) and the lower measuring position (11) respectively. The full-automatic jacket-type ubbelohde viscometer injecting samples from the bottom is capable of achieving full-automatic measurement and analysis and greatly improving measurement accuracy, and has the advantages of accuracy in measurement, convenience in sampling, easiness in cleaning and replacement of similar samples, good repeatability and thermostatic effect and the like.
Description
Technical field
The present invention relates to a kind of Ubbelohde viscometer, particularly the full-automatic Ubbelohde viscometer of a kind of jacketed bottom sample introduction.
Background technology
Ubbelohde viscometer is mainly used in the kinematic viscosity measuring liquid, it is a kind of capillary viscosimeter of gravity-type, it is the principle design based on relative measurement method, also namely the kinematic viscosity of liquid is measured according to the delivery time of liquid in kapillary, compared with other gravity-type viscosity meters, it belongs to suspension liquid column type viscosity meter.Existing Ubbelohde viscometer forms by filling liquid pipe, supervisor and arm, all from top application of sample, bottom discharge opeing, due to by the impact of liquid level, have that poor accuracy, the sampling of measuring are inconvenient, a testing tube not shortcoming such as easy cleaning, and be artificial visually examine when measuring, eye gaze scale mark need be used, coordinate stopwatch to measure, introduce human factor, measuring result error is large; And what adopt when constant temperature is large-scale tank, not only waste resource and constant temperature effect is poor.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of jacketed bottom sample introduction full-automatic Ubbelohde viscometer.It is full automatic working, has to measure accurately, sampling convenience, easy cleaning, easily carry out the displacement of similar sample and the advantage of good constant-temperature effect.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the full-automatic Ubbelohde viscometer of a kind of jacketed bottom sample introduction, and it forms the main test tube, liquid suction pipe and the evacuated tube that comprise chuck and be arranged in chuck; Main test tube comprises the top straight tube, impact bag, measurement ball, kapillary and the bottom application of sample pipe that are positioned at same axis and connect successively from top to bottom, and main test tube is communicated with evacuated tube with liquid suction pipe; Measure above ball and be provided with measurement position, the below measuring ball is provided with lower measurement position, on chuck with on measure position corresponding to position and lower measurement position and be respectively equipped with sensor mounting pipe.
The above-mentioned full-automatic Ubbelohde viscometer of jacketed bottom sample introduction, the upper end of described measurement ball is inserted in impact bag, is provided with overflow vent on the top measuring ball; Impact bag is communicated with waste liquid bottle by liquid suction pipe, and waste liquid bottle is equipped with vacuum drawing liquid pump.
The full-automatic Ubbelohde viscometer of aforesaid jacketed bottom sample introduction, described overflow vent is tilt port.
The full-automatic Ubbelohde viscometer of aforesaid jacketed bottom sample introduction, described chuck is glass material, chuck and the complete sealed attachment of main test tube, liquid suction pipe and evacuated tube.
The full-automatic Ubbelohde viscometer of aforesaid jacketed bottom sample introduction, be provided with inlet in the bottom of described chuck, top is provided with liquid outlet, and inlet is connected thermostat with liquid outlet.
The full-automatic Ubbelohde viscometer of aforesaid jacketed bottom sample introduction, is equipped with solenoid valve on the top of described top straight tube and evacuated tube.
Compared with prior art, the present invention has the following advantages:
1, all automatic measurement analysis can be realized, increase substantially the accuracy of measurement, avoid estimating the personal error produced.Prior art is artificial visually examine when measuring, and need use eye gaze scale mark, and coordinate stopwatch to measure, introduce human factor, measuring result error is large.Chuck of the present invention and measuring position are provided with corresponding sensor mounting pipe, can accurately monitor liquid level through situation by such as the auxiliary group of equipment such as infrared ray, accurately obtain the time of liquid stream through upper and lower measurement position; Sensor mounting pipe does not contact with the liquid in chuck, avoids liquid disturbed test, can select various liquid level sensor flexibly again, has formulated preferred plan for realizing automatically measuring.
2, constant temperature measurement, the measurement for viscosity provides a stable warm field, improves the accuracy of measurement, and energy-conservation, economical.The mobility of temperature field to viscous samples has a great impact, and is also one of key factor affecting viscosity measurement; Because the relation of viscosity and temperature is very close, viscosity measurement all needs to carry out under constant temperature; Calibration cell for Ubbelohde viscometer must possess following condition: (1) sufficiently high temperature-controlled precision and warm homogeneity; (2) cell wall is transparent, has view window at least, so that the plumbness etc. of viscosity meter is observed, reads temperature and checked in timing; (3) cell body should be enough dark, makes the viscosity meter be placed in one have the surplus of about more than 2cm up and down; What prior art adopted is that large-scale tank carries out constant temperature, not only waste resource, and constant temperature effect is also poor.Chuck of the present invention is provided with upper and lower liquid in-out mouth and is communicated with thermostat, and isothermal liquid ensures by circulating the stable warm field of manufacture the mobility that sample is good, thus improves the degree of accuracy measured.
Add sample thief when 3, measuring to suck bottom main test tube, not only inhale sample prescription just, top application of sample can be avoided to produce air bubble, and easy to clean, drying effect are good, continuous coverage is convenient and swift.The kapillary of Ubbelohde viscometer must soak with cleaning solution and wash, and can use after drying in 105 DEG C; Vertically must be fixed in water bath with thermostatic control, otherwise affect flow velocity, cause the error of measurement result.The Ubbelohde viscometer of prior art, after a upper sample test is complete, need adds a large amount of samples and repeatedly rinse by measuring tube, be got rid of by waste liquid, test routinely from bottom, need carry out 3 such operations and just calculate displacement and complete; And cleaning can adopt the method for immersion, filling whole viscosity tube needs a lot of reagent.And the present invention adopts the mode of displacement, similar new sample is directly sucked and replaces; In like manner, during cleaning, sample can be replaced to complete with solvent, only need clean a pipe, reduce reagent consumption.
4, measuring repeatability is good.The Ubbelohde viscometer of prior art needs before measuring to inhale sample or be pressed onto the only about half of position of the upper bead of supervisor, but each all can be different, can not avoid because height of liquid level is different from measuring the mushing error brought; And overflow vent of the present invention is tilt port, affect little by liquid level, each liquid level promoted is constant, can reduce error during duplicate measurements.
Accompanying drawing explanation
Fig. 1 is Facad structure schematic diagram of the present invention;
Fig. 2 is main test tube side view.
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Embodiment
Embodiment.As shown in Figure 1, the main test tube 2, liquid suction pipe 3 and the evacuated tube 4 that comprise chuck 1 and be arranged in chuck 1, at top straight tube 5 and the top of evacuated tube 4, solenoid valve 19 is housed, chuck 1 is glass material, chuck 1 and main test tube 2, liquid suction pipe 3 and evacuated tube 4 sealed attachment completely.Main test tube 2 comprise be positioned at same axis and connect successively from top to bottom top straight tube 5, impact bag 6, measure ball 7, kapillary 8 and bottom application of sample pipe 9, main test tube 2 is communicated with evacuated tube 4 with liquid suction pipe 3; Measure above ball 7 and be provided with measurement position 10, the below measuring ball 7 is provided with lower measurement position 11, on chuck 1 with on measure position corresponding to position 10 and lower measurement position 11 and be respectively equipped with sensor mounting pipe 12.The upper end measuring ball 7 is inserted in impact bag 6, and be provided with overflow vent 13 on the top measuring ball 7, this overflow vent 13 is designed to tilt port.Impact bag 6 is communicated with waste liquid bottle 14 by liquid suction pipe 3, and waste liquid bottle 14 is equipped with vacuum drawing liquid pump 15.Be provided with inlet 16 in the bottom of described chuck 1, top is provided with liquid outlet 17, and inlet 16 is connected thermostat 18 with liquid outlet 17.
Principle of work: when the vacuum drawing liquid pump 15 of connection liquid suction pipe 3 starts, the top straight tube 5 of main test tube 2 and the solenoid valve 19 on evacuated tube 4 top are in closed state, the fluid sample 20 being positioned at below just can enter kapillary 8 from application of sample pipe 9, through measuring ball 7, arrive overflow vent 13, through impact bag 6, finally flow to waste liquid bottle 14, when liquid flows through overflow vent 13, vacuum drawing liquid pump 15 shuts down, the top straight tube 5 of main test tube 2 is opened immediately with the solenoid valve 19 on evacuated tube 4 top and is communicated with air, the liquid of such overflow vent 13 starts to flow from top to bottom, as shown in Figure 2, liquid level sensor when upper measurement position 10 starts self-clocking by sensor mounting pipe 12, automatically timing is stopped when lower measurement position 11, obtain the flow time needed, in measuring process, circulated by the inlet 16 of glass jacket 1 and liquid outlet 17 through the water of thermostat 18 constant temperature or other liquid, the measurement for viscosity provides a stable warm field.Carry out the measurement of next sample, only need by normal sample introduction process, allow new sample in the duct multithread for a moment, replace original sample, reach the object of cleaning, then start normal measurement procedure.
Embodiments of the present invention are not limited to above-described embodiment, and the various changes made under the prerequisite not departing from present inventive concept all belong within protection scope of the present invention.
Claims (5)
1. the full-automatic Ubbelohde viscometer of jacketed bottom sample introduction, comprise chuck (1) and be arranged on main test tube (2), liquid suction pipe (3) and the evacuated tube (4) in chuck (1), it is characterized in that: main test tube (2) comprise be positioned at same axis and connect successively from top to bottom top straight tube (5), impact bag (6), measure ball (7), kapillary (8) and bottom application of sample pipe (9), main test tube (2) is communicated with evacuated tube (4) with liquid suction pipe (3); Measure ball (7) top and be provided with measurement position (10), the below measuring ball (7) is provided with lower measurement position (11), is respectively equipped with sensor mounting pipe (12) in the upper position corresponding with upper measurement position (10) and lower measurement position (11) of chuck (1); The upper end of described measurement ball (7) is inserted in impact bag (6), is provided with overflow vent (13) on the top measuring ball (7); Impact bag (6) is communicated with waste liquid bottle (14) by liquid suction pipe (3), and waste liquid bottle (14) is equipped with vacuum drawing liquid pump (15).
2. the full-automatic Ubbelohde viscometer of jacketed bottom sample introduction according to claim 1, is characterized in that: described overflow vent (13) is tilt port.
3. the full-automatic Ubbelohde viscometer of jacketed bottom sample introduction according to claim 1, is characterized in that: described chuck (1) is glass material, chuck (1) and main test tube (2), liquid suction pipe (3) and evacuated tube (4) sealed attachment completely.
4. the full-automatic Ubbelohde viscometer of jacketed bottom sample introduction according to claim 1, it is characterized in that: be provided with inlet (16) in the bottom of described chuck (1), top is provided with liquid outlet (17), and inlet (16) is connected thermostat (18) with liquid outlet (17).
5. the full-automatic Ubbelohde viscometer of jacketed bottom sample introduction according to claim 1, is characterized in that: on described top straight tube (5) and the top of evacuated tube (4), solenoid valve (19) is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210290328.2A CN102809523B (en) | 2012-08-15 | 2012-08-15 | Full-automatic jacket-type ubbelohde viscometer injecting samples from bottom |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210290328.2A CN102809523B (en) | 2012-08-15 | 2012-08-15 | Full-automatic jacket-type ubbelohde viscometer injecting samples from bottom |
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| Publication Number | Publication Date |
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| CN102809523A CN102809523A (en) | 2012-12-05 |
| CN102809523B true CN102809523B (en) | 2015-01-14 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439219A (en) * | 2013-08-01 | 2013-12-11 | 杭州中旺科技有限公司 | Z-shaped ubbelohde viscometer applicable to full-automatic measurement |
| CN103439220A (en) * | 2013-08-01 | 2013-12-11 | 杭州中旺科技有限公司 | Jacket-type Z-shaped ubbelohde viscometer applicable to miniature full-automatic viscometer |
| CN105928831B (en) * | 2016-04-19 | 2018-12-14 | 湖南慑力电子科技有限公司 | A kind of capillary viscometer and its test method of energy automatic ration |
| CN106198313A (en) * | 2016-08-29 | 2016-12-07 | 杭州卓祥科技有限公司 | A kind of W type crow formula viscosity pipet |
| CN107907446B (en) * | 2017-09-21 | 2020-05-29 | 杭州震越科技有限公司 | Full-automatic Ubbelohde viscometer and measurement method |
| CN107843523A (en) * | 2017-09-21 | 2018-03-27 | 杭州震越科技有限公司 | One kind dilution Ubbelohde viscometer |
| CN107884314B (en) * | 2017-09-21 | 2020-05-22 | 杭州震越科技有限公司 | Ubbelohde viscometer |
| CN109916773B (en) * | 2019-04-10 | 2021-04-23 | 李尚松 | High polymer viscosity-average molecular weight measuring instrument and using method thereof |
| CN111272534A (en) * | 2020-03-19 | 2020-06-12 | 水利部南京水利水文自动化研究所 | A kind of water quality total phosphorus digestion device and method |
Citations (3)
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|---|---|---|---|---|
| CN201034905Y (en) * | 2007-04-11 | 2008-03-12 | 泉州市铁通电子设备有限公司 | Capillary kinematic viscosity automatic tester |
| CN202305363U (en) * | 2011-10-15 | 2012-07-04 | 中国石油化工股份有限公司 | Viscosity meter |
| CN202693440U (en) * | 2012-08-15 | 2013-01-23 | 杭州中旺科技有限公司 | Clamped-jacketed type bottom sample injection full-automatic ubbelohde viscometer |
-
2012
- 2012-08-15 CN CN201210290328.2A patent/CN102809523B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201034905Y (en) * | 2007-04-11 | 2008-03-12 | 泉州市铁通电子设备有限公司 | Capillary kinematic viscosity automatic tester |
| CN202305363U (en) * | 2011-10-15 | 2012-07-04 | 中国石油化工股份有限公司 | Viscosity meter |
| CN202693440U (en) * | 2012-08-15 | 2013-01-23 | 杭州中旺科技有限公司 | Clamped-jacketed type bottom sample injection full-automatic ubbelohde viscometer |
Non-Patent Citations (1)
| Title |
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| 陈惠钊.《二、重力型毛细管法》.《粘度测量》.1994, * |
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| CN102809523A (en) | 2012-12-05 |
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