CN102519843B - Constant-temperature device for measuring liquid viscosity - Google Patents
Constant-temperature device for measuring liquid viscosity Download PDFInfo
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- CN102519843B CN102519843B CN 201110402467 CN201110402467A CN102519843B CN 102519843 B CN102519843 B CN 102519843B CN 201110402467 CN201110402467 CN 201110402467 CN 201110402467 A CN201110402467 A CN 201110402467A CN 102519843 B CN102519843 B CN 102519843B
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- thermostat
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Abstract
The invention provides a constant-temperature device for measuring liquid viscosity. The constant-temperature device for testing liquid viscosity can effectively control a temperature of a sample needing to be tested in liquid viscosity measurement, and guarantee the accuracy of measured data. The constant-temperature device for testing liquid viscosity comprises a sample measuring cup and a constant-temperature water bath. The constant-temperature water bath comprises a bath tank and a circulating pump which is connected to the bath tank through a pipe and is utilized for driving a liquid in the bath tank to flow circularly. The bath tank of the constant-temperature water bath is provided with a water inlet and a water outlet. The sample measuring cup comprises an inner cylinder and an outer cylinder, wherein the outer cylinder is coaxially sleeved on the inner cylinder. The inner cylinder is utilized for loading a liquid sample. The outer cylinder is provided with a water outlet pipe and a water inlet pipe. The water inlet pipe is connected to the water outlet of the constant-temperature water bath. The water outlet pipe is connected to the water inlet of the constant-temperature water bath. An interlayer space between the inner cylinder and the outer cylinder forms a constant temperature layer. The constant temperature layer is communicated with the bath tank of the constant-temperature water bath by the water outlet pipe and the water inlet pipe.
Description
Technical field
The present invention relates to the liquid viscosity technical field of measurement and test, particularly a kind of thermostat for test liquid viscosity.
Background technology
Liquid is when mobile, and the character that rubs in its intermolecular generation is called the viscosity of liquid, and the size of viscosity represents with viscosity, is to characterize the relevant resistance factor of liquid property.Viscosity is divided into again kinetic viscosity, kinematic viscosity and specific viscosity.Viscosity is a kind of attribute of fluid, and the viscosity numerical value of different fluid is different, and the viscosity of fluid of the same race is relevant with temperature significantly, and the viscosity of liquid can and reduce along with the temperature rising.
The viscosity data of various liquid is mainly recorded by experiment.The viscosity meter commonly used that is used at present test liquid viscosity is Brookfield viscometer or rotary viscosimeter, adopted well-known viscosimetric analysis principle, they measure viscosity number by the moment of torsion that the lasting rotation of immersing the rotor in the fluid to be measured forms, moment of torsion is proportional by the dilatory resistance that forms of viscosity with the rotor that immerses in the sample, thereby also proportional with viscosity.But the size of viscosity depends on character and the temperature of liquid, and temperature raises, and viscosity will reduce rapidly, therefore, measure viscosity, and it is just meaningful to control exactly temperature.In the prior art, viscosity meter commonly used can not effectively be controlled the temperature of sample in test process, can not make the temperature of sample keep relatively constant during test, thereby the data that obtain is inaccurate, can not satisfy actual needs.
Summary of the invention
The present invention is directed to the defective that prior art exists, a kind of thermostat for test liquid viscosity is proposed, can effectively control the temperature of sample in the process of test liquid viscosity, liquid viscosity test of the same race is carried out under the uniform temp condition, guarantees the accuracy of measurement data.
Technical scheme of the present invention is:
A kind of thermostat for test liquid viscosity, it is characterized in that, comprise sample measurement cup and water bath with thermostatic control, described water bath with thermostatic control comprise bath and with bath by the ebullator that liquid-circulating in the bath is flowed that pipeline is connected, have water delivering orifice and water inlet on the bath of water bath with thermostatic control; Described sample measurement cup comprises inner core and the urceolus of coaxial package, described inner core is used for holding the fluid to be measured sample, have respectively rising pipe and water inlet pipe on the described urceolus, described water inlet pipe is connected with the water delivering orifice of water bath with thermostatic control bath, and described rising pipe is connected with the water inlet of water bath with thermostatic control bath; Mezzanine space between described inner core and the urceolus is thermostat layer, and described thermostat layer is communicated with the bath of water bath with thermostatic control by described rising pipe and water inlet pipe.
Be provided with the spiral stream guidance blade in the thermostat layer of described sample measurement cup, described spiral stream guidance blade extends cup top from bottom of cups spiral rising edge.
The water inlet pipe of described sample measurement cup is positioned at bottom of cups, and rising pipe is positioned at the top of cup.
The rising pipe of described sample measurement cup and water inlet pipe are the hangnail pipe.
Has handle on the urceolus of described sample measurement cup.
Described urceolus is made by insulation material.
Described water bath with thermostatic control has the compression refigerating machine that is connected by pipeline with bath.
The bath bottom of described water bath with thermostatic control is provided with the well heater for liquid in the heating bath.
Described water bath with thermostatic control is provided with temperature indicating device.
Technique effect of the present invention:
The thermostat of a kind of test liquid viscosity provided by the invention, sample measurement cup by fixed diameter is set is communicated with the water bath with thermostatic control with ebullator, temperature by the control water bath with thermostatic control, institute's test sample product temperature is controlled, viscosity test is carried out under fixing container and stationary temperature, guaranteed the accuracy of measurement result.The present invention is under the stationary temperature for guaranteeing sample, the sample measurement cup is designed to inner core and the urceolus of coaxial package, inner core is used for holding sample, having thermostat layer between inner core and the urceolus is communicated with the bath of water bath with thermostatic control, effect by ebullator, make the isothermal liquid of bath of water bath with thermostatic control equably to the constant temperature intrastratal flowage of sample measurement cup, and constantly circulation, make the interior residing temperature of fluid to be measured of sample measurement cup remain consistent with the temperature of water bath with thermostatic control, reach institute's test sample product temperature is controlled.For making liquid better Uniform Flow in thermostat layer, in thermostat layer, be provided with the spiral diversion blade, the spiral stream guidance blade extends cup top from bottom of cups spiral rising edge, the liquid that enters in the thermostat layer evenly is full of thermostat layer along water inlet pipe along the spiral stream guidance blade, makes the temperature of thermostat layer keep uniformity; The rising pipe of sample measurement cup and water inlet pipe are the hangnail pipe in addition, prevent that the water pipe that connects water bath with thermostatic control from coming off, and keep firm connection; The design of handle is to make things convenient for picking and placeing of tester.
Description of drawings
Fig. 1 is the sample measurement cup structure synoptic diagram in the thermostat of the present invention.
Reference numeral lists as follows: 1-rising pipe, 2-cup urceolus, 3-water inlet pipe, 4-spiral stream guidance blade, 5-cup inner core, 6-handle, 7-thermostat layer.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
A kind of thermostat for test liquid viscosity, comprise sample measurement cup and water bath with thermostatic control, water bath with thermostatic control comprise bath and with bath by the ebullator that liquid-circulating in the bath is flowed that pipeline is connected, have water delivering orifice and water inlet on the bath of water bath with thermostatic control; As shown in Figure 1, be the sample measurement cup structure synoptic diagram in the thermostat of the present invention, the sample measurement cup comprises inner core 5 and the urceolus 2 of coaxial package, inner core 5 is used for holding the fluid to be measured sample, have respectively rising pipe 1 and water inlet pipe 3 on the urceolus 2 of sample measurement cup, the water inlet pipe 3 of sample measurement cup is connected with the water delivering orifice of water bath with thermostatic control bath, and the rising pipe 1 of sample measurement cup is connected with the water inlet of water bath with thermostatic control bath; Mezzanine space between inner core and the urceolus is thermostat layer 7, and thermostat layer 7 is communicated with the bath of water bath with thermostatic control by rising pipe and water inlet pipe.Device of the present invention is by the effect of ebullator, make the interior isothermal liquid of water bath with thermostatic control bath constantly flow into thermostat layer 7 by the water inlet pipe 3 of sample measurement cup, can flow back to via the rising pipe 1 of sample measurement cup the bath of water bath with thermostatic control again, the temperature of the isothermal liquid in the temperature that makes sample measurement cup thermostat layer 7 interior liquid and the water bath with thermostatic control bath remains consistent; For making the isothermal liquid that enters thermostat layer can better Uniform Flow, be provided with spiral stream guidance blade 4 in the thermostat layer, spiral stream guidance blade 4 extends cup top from bottom of cups spiral rising edge, the water inlet pipe of sample measurement cup is positioned at bottom of cups, rising pipe is positioned at the top of cup, the liquid that enters in the thermostat layer evenly is full of thermostat layer along water inlet pipe along spiral stream guidance blade 4, makes the temperature of thermostat layer keep uniformity; The rising pipe of sample measurement cup and water inlet pipe are the hangnail pipe, prevent that the water pipe that connects water bath with thermostatic control from coming off; Have handle on the urceolus of sample measurement cup, make things convenient for the tester to pick and place; The urceolus of sample measurement cup is made by insulation material.In addition, water bath with thermostatic control has the compression refigerating machine that is connected by pipeline with bath, the bath bottom of water bath with thermostatic control also is provided with the well heater for liquid in the heating bath, and for accurately controlling the temperature of water bath with thermostatic control bath liquid, water bath with thermostatic control also is provided with temperature indicating device.
During use, water inlet pipe with the sample measurement cup is connected with the water delivering orifice of water bath with thermostatic control bath first, the rising pipe of sample measurement cup is connected with the water inlet of water bath with thermostatic control bath, the sample measurement cup is communicated with water bath with thermostatic control, keep the regular hour, be generally more than 1.5 hours, the temperature of sample measurement cup and water bath with thermostatic control is consistent, fluid to be measured is placed the sample measurement cup; The temperature of control water bath with thermostatic control is on needed temperature, and the rotor that apolegamy is good immerses in the fluid to be measured gradually, and rotor is kept the sufficiently long time in fluid to be measured, makes it also reach consistent with the fluid to be measured temperature.
Claims (7)
1. thermostat that is used for test liquid viscosity, it is characterized in that, comprise sample measurement cup and water bath with thermostatic control, described water bath with thermostatic control comprise bath and with bath by the ebullator that liquid-circulating in the bath is flowed that pipeline is connected, have water delivering orifice and water inlet on the bath of water bath with thermostatic control; Described sample measurement cup comprises inner core and the urceolus of coaxial package, described inner core is used for holding the fluid to be measured sample, have respectively rising pipe and water inlet pipe on the described urceolus, described water inlet pipe is connected with the water delivering orifice of water bath with thermostatic control bath, and described rising pipe is connected with the water inlet of water bath with thermostatic control bath; Mezzanine space between described inner core and the urceolus is thermostat layer, and described thermostat layer is communicated with the bath of water bath with thermostatic control by described rising pipe and water inlet pipe; Be provided with the spiral stream guidance blade in the thermostat layer of described sample measurement cup, described spiral stream guidance blade extends cup top from bottom of cups spiral rising edge; The water inlet pipe of described sample measurement cup is positioned at bottom of cups, and rising pipe is positioned at the top of cup.
2. the thermostat for test liquid viscosity according to claim 1 is characterized in that, the rising pipe of described sample measurement cup and water inlet pipe are the hangnail pipe.
3. the thermostat for test liquid viscosity according to claim 1 is characterized in that, has handle on the urceolus of described sample measurement cup.
4. the thermostat for test liquid viscosity according to claim 1 is characterized in that, described urceolus is made by insulation material.
5. the thermostat for test liquid viscosity according to claim 1 is characterized in that, described water bath with thermostatic control has the compression refigerating machine that is connected by pipeline with bath.
6. the thermostat for test liquid viscosity according to claim 1 is characterized in that, the bath bottom of described water bath with thermostatic control is provided with the well heater for liquid in the heating bath.
7. the thermostat for test liquid viscosity according to claim 1 is characterized in that, described water bath with thermostatic control is provided with temperature indicating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110402467 CN102519843B (en) | 2011-12-07 | 2011-12-07 | Constant-temperature device for measuring liquid viscosity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110402467 CN102519843B (en) | 2011-12-07 | 2011-12-07 | Constant-temperature device for measuring liquid viscosity |
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| Publication Number | Publication Date |
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| CN102519843A CN102519843A (en) | 2012-06-27 |
| CN102519843B true CN102519843B (en) | 2013-10-30 |
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| CN 201110402467 Expired - Fee Related CN102519843B (en) | 2011-12-07 | 2011-12-07 | Constant-temperature device for measuring liquid viscosity |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940700B (en) * | 2014-04-08 | 2017-01-04 | 深圳市华星光电技术有限公司 | Viscosity measures constant temperature water bath apparatus |
| CN104977953B (en) * | 2015-05-25 | 2019-03-05 | 上海市质量监督检验技术研究院 | A kind of portable rotation viscometer calibration thermostat |
| CN106248527A (en) * | 2016-08-08 | 2016-12-21 | 山西省交通科学研究院 | A kind of rubber asphalt sample sample container with bottom sidepiece Double insulating effect |
| CN106383214A (en) * | 2016-08-31 | 2017-02-08 | 上海新力动力设备研究所 | Heat insulation device and temperature control regulation device used for friction sensitivity tester |
| CN106769677B (en) * | 2017-01-12 | 2019-07-05 | 中国石油大学(北京) | The online viscosity detecting device of high temperature and pressure grease fluid-mixing and method |
| CN109323958A (en) * | 2017-07-31 | 2019-02-12 | 泰奥星（天津）有限公司 | A kind of kinematic viscosity analyzer |
| CN108528768B (en) * | 2018-04-25 | 2021-06-15 | 佛山市鸿福粮油有限公司 | Automatic bagging-off of grain sample integrative conveyor |
| CN108489859A (en) * | 2018-06-12 | 2018-09-04 | 山东大学 | The preparation of polishing fluids and performance test multifunction system and method |
| CN110879189A (en) * | 2019-12-10 | 2020-03-13 | 上海航天化工应用研究所 | Solid propellant slurry viscosity multi-sample continuous test device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975726A (en) * | 2010-09-13 | 2011-02-16 | 常州亿晶光电科技有限公司 | Thermostatic detection device for silver paste viscosity |
| CN102087191A (en) * | 2009-12-04 | 2011-06-08 | 中国石油天然气股份有限公司 | Testing arrangement of crude oil viscosity |
| CN201897559U (en) * | 2010-11-30 | 2011-07-13 | 常州豪邦纳米科技涂料有限公司 | Constant-temperature rotary viscosimeter |
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2011
- 2011-12-07 CN CN 201110402467 patent/CN102519843B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087191A (en) * | 2009-12-04 | 2011-06-08 | 中国石油天然气股份有限公司 | Testing arrangement of crude oil viscosity |
| CN101975726A (en) * | 2010-09-13 | 2011-02-16 | 常州亿晶光电科技有限公司 | Thermostatic detection device for silver paste viscosity |
| CN201897559U (en) * | 2010-11-30 | 2011-07-13 | 常州豪邦纳米科技涂料有限公司 | Constant-temperature rotary viscosimeter |
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| CN102519843A (en) | 2012-06-27 |
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