CN103439220A - Jacket-type Z-shaped ubbelohde viscometer applicable to miniature full-automatic viscometer - Google Patents

Jacket-type Z-shaped ubbelohde viscometer applicable to miniature full-automatic viscometer Download PDF

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Publication number
CN103439220A
CN103439220A CN2013103325015A CN201310332501A CN103439220A CN 103439220 A CN103439220 A CN 103439220A CN 2013103325015 A CN2013103325015 A CN 2013103325015A CN 201310332501 A CN201310332501 A CN 201310332501A CN 103439220 A CN103439220 A CN 103439220A
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China
Prior art keywords
jacket
ball
type
pipe
applicable
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Pending
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CN2013103325015A
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Chinese (zh)
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朱安生
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HANGZHOU ZONWON TECHNOLOGY Co Ltd
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HANGZHOU ZONWON TECHNOLOGY Co Ltd
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Priority to CN2013103325015A priority Critical patent/CN103439220A/en
Publication of CN103439220A publication Critical patent/CN103439220A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a jacket-type Z-shaped ubbelohde viscometer which is applicable to a miniature full-automatic viscometer, and comprises a constant temperature jacket (14), wherein a measurement tube (1), an overflow buffering ball (5), a downward liquid suction tube (3), a timing ball (9), a capillary (8), a hanging liquid column ball (6), a blow-down tube (2) and a sample injection tube (10) are mounted in the constant temperature jacket (14); the overflow buffering ball (5) is internally provided with an overflow tube (4); the hanging liquid column ball (6) comprises a spherical cover (7); and an upper mounting tube (12) and a lower mounting tube (11) which serve as diaphragm sensors are welded with an upper measurement position (MO) and a lower measurement position (MU) of the timing ball (9) respectively. The jacket-type Z-shaped ubbelohde viscometer is good in constant temperature effect, convenient to mount, less in measurement interference, good in repeatability, and easy to automate, and bath foam is small in size. The jacket-type Z-shaped ubbelohde viscometer is particularly applicable to a core measurement component of a 1-2 position miniature full-automatic viscometer.

Description

A kind of jacket type Z-type Ubbelohde viscometer that is applicable to the small size automatic viscosity meter
Technical field
The present invention relates to a kind of novel Ubbelohde capillary viscosimeter, particularly a kind of jacket type Z-type Ubbelohde viscometer that is applicable to the small size automatic viscosity meter.
Background technology
Ubbelohde viscometer is mainly used in measuring the kinematic viscosity of liquid, it is a kind of capillary viscosimeter of gravity-type, it measures the kinematic viscosity of liquid according to liquid delivery time from kapillary under segregation drive of certain volume, with other U-shaped gravity-type viscosity meter, compare, it is a many blow-down pipe and one hang the fluid column ball, form to hang fluid column during measurement thus do not added amount of liquid and the liquid storage ball in the impact of liquid level, measuring accuracy obtains widely and applies than other gravity-type viscosity meter high (manual measurement can reach 0.1%).But three mouths of pipe of traditional Ubbelohde viscometer (seeing accompanying drawing 3) all make progress, need be from the top application of sample, the top discharge opeing.Waste liquid is difficult to emptying and is difficult for cleaning up, and consumes a large amount of cleaning solvents.Each half that promotes liquid and need rise to the liquid storage ball, wayward consistent lifting liquid level.Realize that automatic sample and automatic cleaning are very difficult, and can not test the sample of easy generation bubble.The structure of the testing tool of robotization and operation are extremely complicated, and material is corrosion-resistant to be required highly, thereby price is very expensive.For a long time, full automatic viscosity meter (comprise auto injection and automatically clean) only has a few developed country to produce, and its market is also monopolized by them, but, along with Chinese fast development, its demand is but that the whole world is the highest.A large amount of exchange flows is to those developed countries.And some medium and small sized enterprises expensive full-automatic import instrument of generally cannot afford rests on manually and semi-automatic operation, endure the hardship of murder by poisoning and the loaded down with trivial details manual operation of poisonous organic solvent steam to the fullest extent.
Summary of the invention
Technical matters to be solved by this invention is, for the small size automatic viscosity meter provide a kind of simple to operate, measure accurately, sample introduction is convenient, the Ubbelohde capillary viscosimeter that is easy to automatic cleaning, the displacement of easily carrying out similar sample and good constant-temperature effect, to meet middle-size and small-size user's demand.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of jacket type Z-type Ubbelohde viscometer that is applicable to the small size automatic viscosity meter.It comprises constant temperature jacket, measuring tube, overflow buffering ball, downward liquid suction pipe, timing ball, kapillary, suspension fluid column ball, blow-down pipe and sample feeding pipe are housed in described constant temperature jacket, the overflow buffering ball includes run-down pipe, hang the fluid column bag containing enclosed globe shade, upper the measurements position of timing ball and lower measurement respectively welding upper mounting pipe and the lower mounting pipe as light hurdle sensor arranged.
In the above-mentioned jacket type Z-type Ubbelohde viscometer that is applicable to the small size automatic viscosity meter, the port of described run-down pipe bends to 90 °.
In the aforesaid jacket type Z-type Ubbelohde viscometer that is applicable to the small size automatic viscosity meter, described viscosity meter is all glass material, and chuck and measuring tube, liquid suction pipe, blow-down pipe and the upper mounting pipe of light hurdle sensor, lower mounting pipe are for sealing welding fully.
In the aforesaid jacket type Z-type Ubbelohde viscometer that is applicable to the small size automatic viscosity meter, be provided with lower inlet and the upper liquid outlet that is connected to thermostatic bath at described chuck.
Compared with prior art, the present invention has the following advantages:
1, adopt the frame mode of bottom sample introduction, bottom discharge opeing, the sample extracted during measurement sucks from main test tube bottom, from overflow vent, discharges, not only sample introduction is convenient, can discharge bubble in time, and easy cleaning and drying, only need change the liquid in sample bottle into cleaning solvent and get final product.But the similar sample direct injected displacement of continuous coverage.Can save a large amount of cleaning solvents convenient and swift.Easily realize robotization.
2, chuck of the present invention and measuring position are provided with corresponding installation of sensors pipe, can, by accurately monitoring liquid level as parts such as infrared rays through situation, accurately obtain liquid and flow through the upper and lower time of measuring position; The installation of sensors pipe does not contact with the liquid in chuck, avoids the interference of the interior bubble of liquid and suspended impurity to survey, and can select flexibly various liquid level sensors again, for realizing automatically measuring and formulated preferred plan.
3, save body lotion (the chuck design only needs the liquid of 2 liters) compared with large bath constant temperature measurement, and sample feeding pipe and discharging tube have avoided leaking due to seal failure the danger of body lotion without through bath.For the measurement of the viscosity of small size automatic viscosity meter provides the stable temperature of a small size, high temperature-controlled precision, improved the accurate precision of measuring and met energy-saving and cost-reducing requirement.
4, overflow vent of the present invention bends to 90 ° and is inserted in buffering ball, and unnecessary liquid automatic overflow enters waste liquid bottle, and it is constant making each liquid level promoted.The measuring error that liquid level difference while having avoided prior art sample need be inhaled or be pressed onto the only about half of position of liquid storage ball on measuring tube is brought.Can reduce error during duplicate measurements.
Economic and social profit of the present invention:
1, except a liquid draining solenoid valve, need the material of highly corrosion resistant, other parts only need common material.Reduced material cost.
2, high with expensive autopipette and automatic cleaning machine, can the realizing the auto injection of 1-2 position viscosity meter and automatically clean without the complex structure technical requirement.Even vast medium and small user also can afford and afford to use Full-automatic viscometer, greatly save human and material resources and financial resources.Economic benefit and social benefit are very considerable.
But 3 sample displacement samples are tested, can save a large amount of cleaning solvents, be conducive to environmental protection and reduce operating cost.
4, small size chuck constant temperature is saved body lotion and the energy.Meet energy-saving and cost-reducing requirement.
5, having avoided need be through the danger of the seal leakage of bath tub bottom part strip class as used large bath viscosity tube to install.Improved security.
The accompanying drawing explanation
Fig. 1 is Facad structure schematic diagram of the present invention;
Fig. 2 is side view of the present invention;
Fig. 3 is the structural representation of traditional Ubbelohde viscometer, in figure: 1-measuring tube, 2-blow-down pipe, 3-topping up pipe, 4-topping up mark, liquid storage ball under 5-, 6-hangs fluid column ball, 7-spherical cap, 8-kapillary, the 9-ball that clocks, the upper liquid storage ball of 10-, the scale that clocks under MU-, scale clocks on MO-.
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Embodiment
Embodiment 1.As shown in Figure 1, 2, form and comprise constant temperature jacket 14, measuring tube 1, overflow buffering ball 5, downward liquid suction pipe 3, timing ball 9, kapillary 8 are housed in constant temperature jacket 14, hang fluid column ball 6, blow-down pipe 2 and sample feeding pipe 10, overflow buffering ball 5 includes run-down pipe 4, hang fluid column ball 6 and comprise enclosed globe shade 7, upper the measurements MO of timing ball 9 and lower measurement position MU respectively welding upper mounting pipe 12 and the lower mounting pipe 11 as light hurdle sensor arranged.The port of described run-down pipe 4 bends to 90 °.Viscosity meter is all glass material, and the upper mounting pipe 12 of chuck 14 and measuring tube 1, liquid suction pipe 3, blow-down pipe 2 and light hurdle sensor, lower mounting pipe 11 are for sealing welding fully.Be provided with lower inlet 15 and the upper liquid outlet 13 that is connected to thermostatic bath at described chuck 14.
Principle of work: the lower inlet 15 of chuck 14 is connected in the outlet of Precision Constant Temperature Ovens, and upper liquid outlet 13 is connected in the outlet of Precision Constant Temperature Ovens, in the upper mounting pipe 12 of light hurdle sensor and lower mounting pipe 11, installs respectively two groups of infrared ray liquid level detectors.When temperature reaches set temperature value and tends towards stability, start the vacuum system of the controlled vacuum tightness that connects waste liquid bottle, make it reach the vacuum tightness of setting.Sample feeding pipe 10 is inserted in the testing sample bottle.Closed measuring tube 1 and blow-down pipe 2, open discharge solenoid valve, and the fluid sample that is arranged in sample bottle just can enter kapillary 8 with certain speed from sample feeding pipe 10, through timing ball 9, arrives overflow vent, through overflow buffering ball 5, run-down pipe 4, finally flow into waste liquid bottle.After the liquid of appropriate amount flows through overflow vent (suitable setting-up time), bleed valve cuts out.After suspension constant temperature 3-5 minute, open measuring tube 1 and blow-down pipe 2 connection atmosphere, the following liquid of overflow vent starts by kapillary 8, to flow out from top to bottom under segregation drive like this, liquid level starts self-clocking through the 12 o'clock sensors in upper measurement position, automatically stop timing at 11 o'clock through lower measurement position, obtain the flow time needed.Repeat aforesaid operations, can carry out repeatedly duplicate measurements.While carrying out the measurement of next sample, similar sample, only need by above-mentioned normal sample introduction process in this way, arranges and replace original sample certain transit time, to reach the purpose of displacement fully.Then start normal measurement procedure.Similar sample test finishes, and changes the sample bottle that cleaning solvent is housed into, by above-mentioned identical method (just time and pressure set points are different), automatically cleans and drying, even can carry out the cleaning of multi-solvents.No matter do that operation, need the parameter of controlling to only have vacuum tightness and time.
Embodiments of the present invention are not limited to above-described embodiment, within the various variations of making under the prerequisite that does not break away from aim of the present invention all belong to protection scope of the present invention.

Claims (4)

1. a jacket type Z-type Ubbelohde viscometer that is applicable to the small size automatic viscosity meter, comprise constant temperature jacket (14), it is characterized in that: measuring tube (1) is housed in described constant temperature jacket (14), overflow buffering ball (5), downward liquid suction pipe (3), timing ball (9), kapillary (8), hang fluid column ball (6), blow-down pipe (2) and sample feeding pipe (10), overflow buffering ball (5) includes run-down pipe (4), hang fluid column ball (6) and comprise enclosed globe shade (7), the upper measurement position (MO) of timing ball (9) and lower measurement (MU) respectively welding upper mounting pipe (12) and the lower mounting pipe (11) as light hurdle sensor arranged.
2. the jacket type Z-type Ubbelohde viscometer that is applicable to the small size automatic viscosity meter according to claim 1, it is characterized in that: the port of described run-down pipe (4) bends to 90 °.
3. the jacket type Z-type Ubbelohde viscometer that is applicable to the small size automatic viscosity meter according to claim 1, it is characterized in that: described viscosity meter is all glass material, and chuck (14) and measuring tube (1), liquid suction pipe (3), blow-down pipe (2) and the upper mounting pipe (12) of light hurdle sensor, lower mounting pipe (11) are for sealing welding fully.
4. the jacket type Z-type Ubbelohde viscometer that is applicable to the small size automatic viscosity meter according to claim 1, is characterized in that: be provided with lower inlet (15) and the upper liquid outlet (13) that is connected to thermostatic bath at described chuck (14).
CN2013103325015A 2013-08-01 2013-08-01 Jacket-type Z-shaped ubbelohde viscometer applicable to miniature full-automatic viscometer Pending CN103439220A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105928831A (en) * 2016-04-19 2016-09-07 湖南慑力电子科技有限公司 Capillary viscometer capable of realizing automatic quantification and testing method thereof
CN106198314A (en) * 2016-07-07 2016-12-07 江苏苏博特新材料股份有限公司 A kind of simple viscosity detecting device being applicable to water reducer and using method thereof
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
CN106644830A (en) * 2016-09-28 2017-05-10 中国计量科学研究院 Automatic timing device and automatic timing capillary viscosity measuring device
CN107843523A (en) * 2017-09-21 2018-03-27 杭州震越科技有限公司 One kind dilution Ubbelohde viscometer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4441358A (en) * 1981-12-07 1984-04-10 Osborne Robert L Automated ultrasonic solution viscometer
CN2469435Y (en) * 2001-02-28 2002-01-02 泉州市铁通电子设备有限公司 Countercurrent capalastometer
CN102809523A (en) * 2012-08-15 2012-12-05 杭州中旺科技有限公司 Full-automatic jacket-type ubbelohde viscometer injecting samples from bottom
CN203365273U (en) * 2013-08-01 2013-12-25 杭州中旺科技有限公司 Jacketed Z type ubbelohde viscometer applicable to small full-automatic viscometer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4441358A (en) * 1981-12-07 1984-04-10 Osborne Robert L Automated ultrasonic solution viscometer
CN2469435Y (en) * 2001-02-28 2002-01-02 泉州市铁通电子设备有限公司 Countercurrent capalastometer
CN102809523A (en) * 2012-08-15 2012-12-05 杭州中旺科技有限公司 Full-automatic jacket-type ubbelohde viscometer injecting samples from bottom
CN203365273U (en) * 2013-08-01 2013-12-25 杭州中旺科技有限公司 Jacketed Z type ubbelohde viscometer applicable to small full-automatic viscometer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105928831A (en) * 2016-04-19 2016-09-07 湖南慑力电子科技有限公司 Capillary viscometer capable of realizing automatic quantification and testing method thereof
CN106198314A (en) * 2016-07-07 2016-12-07 江苏苏博特新材料股份有限公司 A kind of simple viscosity detecting device being applicable to water reducer and using method thereof
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
CN106644830A (en) * 2016-09-28 2017-05-10 中国计量科学研究院 Automatic timing device and automatic timing capillary viscosity measuring device
CN106644830B (en) * 2016-09-28 2019-08-09 中国计量科学研究院 Automatic timing unit and self-clocking capillary viscosity measuring device
CN107843523A (en) * 2017-09-21 2018-03-27 杭州震越科技有限公司 One kind dilution Ubbelohde viscometer

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Application publication date: 20131211