CN207096038U - A kind of experimental apparatus for determining surface tension coefficient of temperature-variable liquid - Google Patents
A kind of experimental apparatus for determining surface tension coefficient of temperature-variable liquid Download PDFInfo
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- CN207096038U CN207096038U CN201720950461.4U CN201720950461U CN207096038U CN 207096038 U CN207096038 U CN 207096038U CN 201720950461 U CN201720950461 U CN 201720950461U CN 207096038 U CN207096038 U CN 207096038U
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Abstract
The utility model discloses a kind of experimental apparatus for determining surface tension coefficient of temperature-variable liquid, including transparent liquid holding box, force-sensing sensor and two pieces of opposed heating plates；The transparent liquid holding box is divided into right ventricle and left room by through plate, and through plate bottom has the intercommunicating pore of some connection right ventricles and left room；The liquid level regulation device being made up of screw mandrel and piston is installed in left room；Piston is interference fitted with the left wall of room four, and screw mandrel coordinates with piston thread；The outlet of the gap face intercommunicating pore of the opposed heating plate, the liquid flowed through is heated；The force-sensing sensor is located above right ventricle, and force-sensing sensor lifts a drum-shaped becket in right ventricle's liquid level.Pass through the utility model, the liquid surface tension coefficient under different temperatures can be obtained, and can very convenient smoothly regulating liquid surface lifting, wave phenomenon will not occur for liquid level during lifting, the degree of accuracy of raising measurement, reduction measurement error, measurement reproducibility are good, can measure the surface tension of different temperatures liquid.
Description
Technical field
The utility model belongs to experiment device for teaching, more specifically, it relates to which domestic universities and colleges are on becoming geothermal liquid
Surface tension coefficient determination experiment device.
Background technology
In numerous areas, the surface tension for being related to liquid, the distinctive property of this liquid and phenomenon are often required to.Such as industry
Motion and balance in the transmission of middle liquid, medicine preparation and bio-engineering research field on liquid in animal and plant body etc. are asked
Topic.Therefore, liquid surface property and phenomenon are understood, the method for grasping measure liquid surface tension coefficient is that have particularly significant reality
Border meaning.The method of measure liquid surface tension coefficient generally has：Pulling escape, Capillary rise method and drop check weighing method etc..
And Pulling escape is a kind of the most commonly used assay method.Drum-shaped metal eye portion is immersed in liquid, observation suspension ring leaching
Enter the physical process and phenomenon in liquid and from liquid during pull-up.When suspension ring break the pulling force peak value in a flash of liquid level, it is
The surface tension of the liquid.Suspension ring is broken the conventional method of liquid level is：Liquid container is seated in by screw rod regulation lifting
On platform, rotary screw, platform declines together with liquid container, and suspension ring are motionless and liquid level constantly declines, and finally reach suspension ring and break
The purpose of liquid level, its shortcoming are that liquid surface also and then vibrates, and wave phenomenon occurs, and therefore, surveys when liquid container is declining
The degree of accuracy is low for amount, error is big, poor repeatability and the surface tension that can not survey liquid after change liquid temperature.
The content of the invention
To be solved in the utility model is the shortcomings that overcoming prior art, there is provided a kind of principle understands, be simple in construction, makes
With convenient, and the experimental apparatus for determining surface tension coefficient of temperature-variable liquid of measurement accuracy can be improved
Technical problem of the present utility model is achieved by the following technical programs：A kind of surface tension coefficient of temperature-variable liquid
Determination experiment device, including force-sensing sensor, opposed heating plate, and for holding the transparent liquid holding box of testing liquid；It is described
Transparent liquid holding box is divided into right ventricle and left room by through plate, and through plate bottom has the intercommunicating pore of some connection right ventricles and left room；
The liquid level regulation device being made up of screw mandrel and piston is installed in left room；Piston is interference fitted with the left wall of room four, screw mandrel and piston
Screw thread coordinates；The opposed heating plate is located in right ventricle, and one end is fixed on through plate, and the gap face of opposed heating plate connects
Through hole；The force-sensing sensor is fixed on above right ventricle, and the drop hanger of force-sensing sensor lifts a drum-shaped gold with several fine rules
Belong to ring in the liquid of right ventricle.
Further, including vertical rod and the support installed in vertical rod top, the force-sensing sensor are fixed on by support
Above right ventricle.
Further, including adjusting knob, it is connected with the screw mandrel upper end.
Further, in addition to the temperature transducer that is arranged in right ventricle.
Due to being had the advantages that using above-mentioned technical proposal, the utility model：, can using the present apparatus in experiment
To obtain the liquid surface tension coefficient under different temperatures, and can very convenient smoothly regulating liquid surface lifting, during lifting
Wave phenomenon will not occur for liquid level, improve the degree of accuracy of measurement, to reduce measurement error, measurement reproducibility good, can measure difference
The surface tension of temperature liquid.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：Liquid holding box 1, piston 2, screw mandrel 3, adjusting knob 4, vertical rod 5, holding screw 6, support 7, force-sensing sensor
8, suspension hook 9, fine rule 10, drum-shaped becket 11, opposed heating plate 12, liquid 13, base 14, connect circular hole 15, through plate
16, holding screw 17, temperature transducer 18.
Embodiment
A kind of experimental apparatus for determining surface tension coefficient of temperature-variable liquid is the utility model is related to, for obtaining under different temperatures
Liquid surface tension coefficient.The device includes being used for holding the transparent liquid holding box 1 of testing liquid, force-sensing sensor 8 and some
Heating tube 12；The transparent liquid holding box 1 is divided into right ventricle and left room by through plate 16, and the bottom of through plate 16 has some connections right
Room and the intercommunicating pore 15 of left room；The liquid level regulation device being made up of screw mandrel 3 and piston 2 is installed in left room；Piston 2 and left room four
Wall is interference fitted, and screw mandrel 3 coordinates with the screw thread of piston 2, and rotary screw rod 3 can drive piston up-down, so as to adjust in left room
Liquid level；Two pieces of opposed heating plates 12 are located in right ventricle, and one end is fixed on through plate 16, its gap face intercommunicating pore 15
Outlet port installation so that the liquid 13 for flowing through intercommunicating pore 15 has to pass through the gap of opposed heating plate 12, as long as on piston 2
Lower movement, flows liquid, with the temperature of very fast uniformly right ventricle's liquid；The force-sensing sensor 8 is located at right ventricle's overhead support 7
Interior, the drop hanger 9 of force-sensing sensor 8 lifts a drum-shaped becket 11 in right ventricle's liquid 13 with several fine rules 10.
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：
In Fig. 1, including base 14, vertical rod 5 are fastened on base 14 with nut, and support 7 is inserted in the top of vertical rod 5, and with tightly
Determine screw 6 and be fixed on vertical rod 5, force-sensing sensor 8 is fitted into support 7, and is fixed on support 7 with holding screw 17, makes the quick biography of power
The upper and lower and left and right in support 7 of sensor 8 will not be shaken.
Transparent liquid holding box 1 is arranged on base 14, and by through plate 16 every being divided into right ventricle and left room, the bottom of through plate 16 is bored
There are three circular holes, the liquid 13 of left and right room is mutually flowed by these three connection circular holes 15.Screw mandrel 3 is installed in left room
And the adjusting means of piston 2, rotating adjusting knob 4 makes screw mandrel 3 can be made to rotate and move up and down with piston 2.
Have in right ventricle and be located at upper and lower two pieces opposed heating plates 12 in right ventricle, its gap face right ventricle intercommunicating pore 15
Install outlet port so that the liquid 13 for flowing through intercommunicating pore 15 has to pass through the gap of opposed heating plate 12, as long as on piston 2
Lower movement, flows liquid 13, with the temperature of very fast uniformly right ventricle's liquid；Temperature transducer 18 in right ventricle can with thermometer
Survey the temperature of liquid.
Suspension hook 9 is hung up in the front end copper sheet aperture of force-sensing sensor 8, will be to be hung with the becket 11 of several fine rules 10
In the upper of suspension hook 9, and drum-shaped becket 11 is set, when ring lower edge is close to liquid level, carefully to adjust drum-shaped gold without impinging on liquid level
Belong to each length of fine rule 10 on ring 11, drum-shaped becket 11 is horizontal.
Make liquid-immersed becket 11, then reversely adjust the piston 2 in left room, liquid level in right ventricle is slowly declined, because of gold
Category ring remains stationary as slowly to be lifted upwards relative to drum-shaped becket, and can be formed at certain moment makes in a flash drum-shaped metal
Suspension ring OR gate shape sheet metal breaks the state of liquid level, using force-sensing sensor 8 and is aided with measuring instrumentss, measures and remembers this flash
Between drum-shaped metal suspension ring OR gate shape sheet metal break the crest value tension of liquid level, then the surface of the liquid is obtained by calculating
Force coefficient.
Finally, it is also noted that, listed above is only a specific embodiment of the present utility model.Obviously, this reality
Can also have many deformations with new, one of ordinary skill in the art can directly be exported from the utility model disclosure or
All deformations associated, are considered as the scope of protection of the utility model.
Claims (4)
1. a kind of experimental apparatus for determining surface tension coefficient of temperature-variable liquid, it is characterised in that including force-sensing sensor (8), opposed
Heating plate (12), and for holding the transparent liquid holding box (1) of testing liquid (13)；The transparent liquid holding box (1) is by through plate
(16) it is divided into right ventricle and left room, through plate (16) bottom has the intercommunicating pore (15) of some connection right ventricles and left room；In left room
The liquid level regulation device being made up of screw mandrel (3) and piston (2) is installed；Piston (2) is interference fitted with the left wall of room four, screw mandrel (3)
Coordinate with piston (2) screw thread；The opposed heating plate (12) is located in right ventricle, and one end is fixed on through plate (16), and opposed
The gap face intercommunicating pore (15) of heating plate (12)；The force-sensing sensor (8) is fixed on above right ventricle, force-sensing sensor (8)
Drop hanger (9) with several fine rules (10) lift a drum-shaped becket (11) in the liquid (13) of right ventricle.
2. device according to claim 1, it is characterised in that including vertical rod (5) and the support installed in vertical rod (5) top
(7), the force-sensing sensor (8) is fixed on above right ventricle by support (7).
3. device according to claim 1, it is characterised in that including adjusting knob (4), with the screw mandrel (3) upper end phase
Even.
4. device according to claim 1, it is characterised in that also include the temperature transducer (18) being arranged in right ventricle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720950461.4U CN207096038U (en) | 2017-08-01 | 2017-08-01 | A kind of experimental apparatus for determining surface tension coefficient of temperature-variable liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720950461.4U CN207096038U (en) | 2017-08-01 | 2017-08-01 | A kind of experimental apparatus for determining surface tension coefficient of temperature-variable liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207096038U true CN207096038U (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720950461.4U Active CN207096038U (en) | 2017-08-01 | 2017-08-01 | A kind of experimental apparatus for determining surface tension coefficient of temperature-variable liquid |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872022A (en) * | 2018-07-03 | 2018-11-23 | 四川世纪中科光电技术有限公司 | liquid surface tension coefficient measuring device |
| CN109030776A (en) * | 2018-07-06 | 2018-12-18 | 中国工程物理研究院总体工程研究所 | Super gravity field experimental cabin liquid level adjusts simulator and analogy method |
| CN109374478A (en) * | 2018-10-10 | 2019-02-22 | 太原理工大学 | The device of solid material surface energy under temperature match curing conditions is determined based on mechanical test |
| CN114428038A (en) * | 2021-12-31 | 2022-05-03 | 陕西科技大学 | Experimental device for measuring liquid viscosity coefficient by falling ball method |
-
2017
- 2017-08-01 CN CN201720950461.4U patent/CN207096038U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872022A (en) * | 2018-07-03 | 2018-11-23 | 四川世纪中科光电技术有限公司 | liquid surface tension coefficient measuring device |
| CN109030776A (en) * | 2018-07-06 | 2018-12-18 | 中国工程物理研究院总体工程研究所 | Super gravity field experimental cabin liquid level adjusts simulator and analogy method |
| CN109374478A (en) * | 2018-10-10 | 2019-02-22 | 太原理工大学 | The device of solid material surface energy under temperature match curing conditions is determined based on mechanical test |
| CN109374478B (en) * | 2018-10-10 | 2021-11-16 | 太原理工大学 | Method for determining surface energy of fixed material under variable temperature condition based on mechanical test |
| CN114428038A (en) * | 2021-12-31 | 2022-05-03 | 陕西科技大学 | Experimental device for measuring liquid viscosity coefficient by falling ball method |
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