CN203443877U - Simple surface tension testing device - Google Patents
Simple surface tension testing device Download PDFInfo
- Publication number
- CN203443877U CN203443877U CN201320569542.1U CN201320569542U CN203443877U CN 203443877 U CN203443877 U CN 203443877U CN 201320569542 U CN201320569542 U CN 201320569542U CN 203443877 U CN203443877 U CN 203443877U
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- surface tension
- computer
- testing device
- electronic balance
- proving installation
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Abstract
The utility model discloses a simple surface tension testing device which comprises a lifting device, a sample pool, an electronic balance and a computer. The simple surface tension testing device is easy to set up and low in construction cost; in addition, the electronic balance and the computer can be separated for utilization when the testing device is not used, so that the maximization of the device value is realized, and the simple surface tension testing device is suitable for scientific researches and used in laboratories of colleges and universities.
Description
Technical field
The utility model relates to a kind of easy device of utilizing suspension ring method to measure surface tension of liquid.
Background technology
Surface tension is one of common physico-chemical property of liquid, and this parameter is to understand an important parameter of various surface phenomena and research surfactant.Common surface tension method of testing has: suspension ring method, adopting platinum plate method, sessile drop method, drop-volume method and largest air bubbles platen press etc.Wherein suspension ring method physical principle is visual and clear, is the method for testing of early developing.Current business-like suspension ring method surface tension tester fetch long price, and function singleness only can be used as test surfaces tension force use, and the value utilization factor of equipment is low.
Summary of the invention
The utility model object is to provide a kind of easy surface tension proving installation, this invention has overcome the deficiency of current commercialization surface tension tester, be easy to build, low cost, and electronic balance and computer can be separated utilization when tester is idle, realized the maximization of apparatus value, be applicable to scientific research and Scientific Research in University Laboratory and use.
For achieving the above object, the technical scheme that the utility model is taked is:
A kind of easy surface tension proving installation, it is characterized in that, comprise lifting gear, sample cell, electronic balance and computer four parts, wherein lifting gear is comprised of suspension ring, motor, controller and bracing frame, between electronic balance, controller and computer, by data line, is connected.
As preferably, the material of described suspension ring is platinum.
As preferably, described motor is stepper motor.
As preferably, described controller adopts 51 family chips.
Can, according to the number of specimen, select the electronic balance of suitable range and precision; Measuring process adopts computer program to control, and can realize all automatic measurement; Measurement result can show with graph mode on computers in real time; Electronic balance and computer are easy to separate from this proving installation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is the schematic diagram of easy surface tension proving installation;
Reference numeral: 1-electronic balance, 2-suspension ring, 3-motor, 4-controller, 5-data line, 6-computer, 7-bracing frame, 8-sample cell.
Embodiment
Below in conjunction with example, the utility model is described in detail.
Specific embodiment is only to explanation of the present utility model; be not to restriction of the present utility model; those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this instructions, but as long as within the scope of claim of the present utility model, are all subject to the protection of Patent Law.
Details are as follows by reference to the accompanying drawings for a preferred embodiment of the present invention:
As shown in Figure 1, this surface tension proving installation comprises lifting gear, sample cell 8, electronic balance 1 and computer 6 four parts.Wherein lifting gear is comprised of suspension ring 2, motor 3, controller 4 and bracing frame 7; Between electronic balance 1, controller 4 and computer 6, by data line 5, be connected; The material of suspension ring 2 is platinum, and silk radius is 0.15 millimeter, and ring radius is 9.55 millimeters; Motor 3 is stepper motor; Controller 4 adopts 51 family chips; Data line 5 is RS232 connecting line;
The concrete operation step of the surface tension proving installation that the present embodiment provides is as follows:
(1) by data line 5 connecting electronic balances 1, controller 4 and computer 6, power-on;
(2) in sample cell 8, put into redistilled water, be placed on the pallet of electronic balance 1;
(3) on computer 6, open test procedure, automatically test the surface tension value of redistilled water, use the mean value of measuring for three times to carry out correction factor correction;
(4) in sample cell 8, put into test agent, utilize test procedure automatically to test the surface tension value of this reagent.
Claims (4)
1. an easy surface tension proving installation, it is characterized in that: comprise lifting gear, sample cell, electronic balance and computer four parts, described lifting gear is comprised of suspension ring, motor, controller and bracing frame, between described electronic balance, described controller and described computer, by data line, is connected.
2. a kind of easy surface tension proving installation as claimed in claim 1, is characterized in that: the material of described suspension ring is platinum.
3. a kind of easy surface tension proving installation as claimed in claim 1, is characterized in that: described motor is stepper motor.
4. a kind of easy surface tension proving installation as claimed in claim 1, is characterized in that: described controller is 51 family chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320569542.1U CN203443877U (en) | 2013-09-13 | 2013-09-13 | Simple surface tension testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320569542.1U CN203443877U (en) | 2013-09-13 | 2013-09-13 | Simple surface tension testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203443877U true CN203443877U (en) | 2014-02-19 |
Family
ID=50094915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320569542.1U Expired - Fee Related CN203443877U (en) | 2013-09-13 | 2013-09-13 | Simple surface tension testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203443877U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376059A (en) * | 2021-05-11 | 2021-09-10 | 南京航空航天大学 | STM32 singlechip intelligent control-based liquid surface tension meter and use method thereof |
| CN114383979A (en) * | 2022-01-21 | 2022-04-22 | 四川大学 | Method for measuring surface tension coefficient of liquid by liquid drop method |
-
2013
- 2013-09-13 CN CN201320569542.1U patent/CN203443877U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376059A (en) * | 2021-05-11 | 2021-09-10 | 南京航空航天大学 | STM32 singlechip intelligent control-based liquid surface tension meter and use method thereof |
| CN114383979A (en) * | 2022-01-21 | 2022-04-22 | 四川大学 | Method for measuring surface tension coefficient of liquid by liquid drop method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20160913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |