CN202092927U - Automatic kinematic viscosity tester - Google Patents
Automatic kinematic viscosity tester Download PDFInfo
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- CN202092927U CN202092927U CN2011201704193U CN201120170419U CN202092927U CN 202092927 U CN202092927 U CN 202092927U CN 2011201704193 U CN2011201704193 U CN 2011201704193U CN 201120170419 U CN201120170419 U CN 201120170419U CN 202092927 U CN202092927 U CN 202092927U
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Abstract
The utility model relates to an automatic kinematic viscosity tester which comprises a cleaning agent bottle, a sample injection cup, a capillary tube viscometer, a waste liquid bottle and an air pump which are all sequentially connected through pipelines. The capillary tube viscometer comprises a main tube, a lateral tube and a branch tube. The sample injection cup is connected with the branch tube of the capillary tube viscometer, and the lateral tube and the branch tube are both connected with the waste liquid bottle through pipelines. The automatic kinematic viscosity tester is characterized in that the pipeline arranged between the cleaning agent bottle and the capillary tube viscometer is provided with a first three-way solenoid valve which is connected with an air heating and filtering module. A first two-way solenoid valve is arranged between the first three-way solenoid valve and the air heating and filtering module. A second three-way solenoid valve and a third three-way solenoid valve for connecting air are respectively arranged on the pipeline between the main tube and the waste liquid bottle and between the lateral tube and the waste liquid bottle. A second two-way solenoid valve and a third two-way solenoid valve are respectively arranged at the positions of ports which are used for connecting the air and arranged on the second three-way solenoid valve and the third three-way solenoid valve. An airtight self-test sensor is arranged on the pipeline between the waste liquid bottle and the air pump. The automatic kinematic viscosity tester has the advantages of being stable, reliable and high in testing accuracy and efficiency.
Description
Technical field
The utility model relates to a kind of automatic type kinematic viscosity tester, is applied to the measurement of departments such as oil, chemical industry, scientific research, metering to Newtonian fluid kinematic viscosity.
Background technology
The measurement of Newtonian fluid kinematic viscosity at present, most utilization capillary motion viscosity meters in the practical application, use the type hand kinematic viscosity instrument of combinations such as viscosity meter, temperature sensor, temperature control modules usually.The sample dress of this kind proving installation is got, and kapillary is proofreaied and correct, sample testing, kapillary cleans and all needs manual operation, needs eye-observation, hand-held manual time-keeping, there is more disturbing factor,, inevitably makes error bigger as variation of viewing angle, reaction time, ambient light etc.
At this kind drawback, in the practical application, automatic type proving installation that viscosity meter is combined with sensor and control section has appearred again, this kind proving installation, be to utilize photoelectric original test samples mobility status, automatically write down the flowing time of liquid level in kapillary, and calculate viscosity number automatically, obtained the application of certain limit at present according to the capillary constant of prior input.But this kind proving installation often exists and can not clean automatically or clean automatically thoroughly or cleaning and drying rate are crossed and waited defective slowly.The more important thing is, this kind proving installation, aging because of pipeline, install, change and reconnect, clear up factor such as reconnect behind the waste liquid bottle behind the cleaning fluid, often all more or less have an impermeability problem, and this kind impermeability problem often is difficult to find, influenced normally carrying out in the process of the test, this can effectively detect bubble-tight aut.eq. with regard to exigence is a kind of.
The utility model content
Fundamental purpose of the present utility model is to overcome existing automatic type kinematic viscosity tester and is difficult to detect automatically impermeability, the cleaning kapillary is thorough inadequately, speed is crossed and waited defective slowly, a kind of automatic detection impermeability is provided, the cleaning kapillary is thorough, speed is fast, simultaneously, man-machine interaction is optimized design, increases the automatic type kinematic viscosity tester of wireless transmission function.
The utility model adopts following technical scheme:
It is a kind of automatic type kinematic viscosity tester, comprise the clean-out system bottle that connects with pipeline successively, the sample introduction cup, capillary viscosimeter, waste liquid bottle and air pump, capillary viscosimeter comprises the person in charge, side pipe and arm, the sample introduction cup is connected with the arm of capillary viscosimeter, be responsible for and all be connected with waste liquid bottle by pipeline with side pipe, it is characterized in that the pipeline between clean-out system bottle and the sample introduction cup is provided with first three-way solenoid valve, first three-way solenoid valve is connected with air heat and empty filter module, be provided with the firstth two-way electromagnetic valve between solenoid valve and air heat and the empty filter module, all be useful on second three-way solenoid valve that is connected air on the pipeline between the person in charge and side pipe and the waste liquid bottle, the 3rd three-way solenoid valve, second, the port that the 3rd three-way solenoid valve connects air is respectively equipped with second, the 3rd two-way electromagnetic valve, the pipeline between described waste liquid bottle and the air pump are provided with impermeability from detecting sensor.
Described air heat and empty filter module comprise air heating apparatus and air filter, and air heating apparatus is a heating wire, and air filter is an air filtering core.
Described impermeability is the negative-pressure type pressure transducer from detecting sensor.
Capillary viscosity is counted Ubbelohde viscometer or Countercurrent capalastometer.
The utility model is compared with the automatic type kinematic viscosity tester of prior art, is provided with high-precision Constant temperature bathtub, liquid level detecting sensor, control module, human-computer interaction module too.
Described Constant temperature bathtub is that 32 ARM Single-chip Controlling, 16 AD, PT100 modes detect.
The detection mode of described liquid level detecting sensor is an infrared ray, and used viscosity is counted Ubbelohde viscometer or Countercurrent capalastometer.
Described impermeability is the negative-pressure type pressure transducer from detecting sensor, between aspiration pump and waste liquid bottle.
Described air heat and empty filter module are programme controlled heating wire and air filtering core, start when being used for cleaning automatically and oven dry viscosity meter, help the more rapid draing of viscosity meter, but filtering simultaneously are airborne objectionable.
Described automatic cleaning module is realized jointly by air pump, pressure regulator valve, automatic balancing valve, clean-out system bottle, waste liquid bottle, gas circuit.
Described auto testing instrument can also be set up wireless transport module, is used for communicating with the host computer computer.Simultaneously, also be connected with human-computer interaction modules such as true color LCD, touch-screen, printer.
From the above, the beneficial effect that the utility model had is: working stability is reliable, measuring accuracy is high, efficient is high.In the test process whole-course automation is on the basis of automatic constant-temperature, sampling, test, warning, cleaning, oven dry, adopts more high-precision constant temperature system to make test result more accurate; The impermeability self-test device that adopts can effectively tell user's pipeline airtight situation in the very first time, ensures the reliability service of next step test; The air heat of the band filter core that adopts and empty filter module can effectively be quickened drying course and the cleaning of guaranteeing dry run, the accuracy that helps next time testing; The wireless transport module of instrument can show current test mode and data at user computer by wireless mode, greatly facilitates client's operation; And true color LCD, the use of interactive devices such as touch-screen and printer makes that also operation is more convenient, comfortable and directly perceived.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is a connection diagram of the present utility model.
As shown in FIG.: 1 air heating apparatus; 2 air filters; 3 first two-way electromagnetic valves; 4 first three-way solenoid valves; 5 clean-out system bottles; 6 sample introduction cups; 7 capillary viscosimeters; 8 the 3rd two-way electromagnetic valves; 9 the 3rd three-way solenoid valves; 10 second three-way solenoid valves; 11 second two-way electromagnetic valves; 12 waste liquid bottles; 13 impermeability detecting sensors; 14 air pumps.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is further described by embodiment.
Shown in figure one, wherein control is this instrument core with calculating memory module, and functions such as all control, detection, calculating, demonstration, transmission are all sent instruction by it, for this reason, native system is selected high reliability, high-speed 32 bit processors for use, and its model is STM32F103;
Shown in figure one, wherein Constant temperature bathtub is the core of test macro then, includes heating control module, and the throw-in type refrigeration module is immersed in the test capillary viscosimeter in the calibration cell, and is installed on the photoelectric testing sensor on the capillary viscosimeter.
Shown in figure one, wherein capillary viscosimeter and oil sample test module, cleaning and oven dry module, impermeability detecting sensor and other connectivity pipelines are formed complete test loop, and all controlled module controls of its each device.
Shown in figure one, the test figure under control module control can be sent user computer by wireless transport module, and can carry out real time human-machine interaction by showing with printing equipment.
Shown in figure two, the side pipe of capillary viscosimeter 7 is connected with sample introduction cup 6, and is connected with first three-way solenoid valve 4 by sample introduction cup 6, and the effect of first three-way solenoid valve 4 is: switch by valve, can select to be connected with clean-out system bottle 5 or to be connected with air.On the air inlet branch road, first two-way electromagnetic valve 3 of air heating apparatus 1, air filter 2 and control and air break-make is installed also simultaneously.Described air heating apparatus 1 is a heating wire, and air filter 2 is an air filtering core.
Shown in figure two, the person in charge of capillary viscosimeter 7 is connected with second three-way solenoid valve 10, passes through the valve switching of second three-way solenoid valve 10, selects the person in charge's break-make direction, that is: be connected with waste liquid bottle 12, perhaps is connected with air.The side that while second three-way solenoid valve 10 communicates with air also is connected with second two-way electromagnetic valve 11.
Shown in figure two, the arm of capillary viscosimeter 7 is connected with the 3rd three-way solenoid valve 9, passes through the valve switching of the 3rd three-way solenoid valve 9, selects the person in charge's break-make direction, that is: be connected with waste liquid bottle 12, perhaps is connected with air.The side that while the 3rd three-way solenoid valve 9 communicates with air also is connected with the 3rd two-way electromagnetic valve 8.
Shown in figure two, between waste liquid bottle 12 and air pump 14,, be connected with impermeability detecting sensor 13 not influencing under the unobstructed prerequisite of its pipeline, impermeability detecting sensor 13 is the negative-pressure type pressure transducer.
The utility model course of work is as follows:
1) at first, under controller action, the valve of first three-way solenoid valve 4, the 3rd three-way solenoid valve 9, second three-way solenoid valve 10 is allocated to the position that is connected with pipeline, opens air pump 14, impermeability detecting sensor 13 is carried out impermeability to whole pipeline and is detected.
2), carry out the self-checking of other fermentation, as capillary liquid level sensor self-checking, temperature control self-checking, wireless transmission self-checking, printing and demonstration self-checking etc. with regard to instrument self.
3) after the each several part self check was passed through, under controller action, Constant temperature bathtub carried out constant temperature according to preset parameters, treated that test temperature enters next stage after stable.
4) to capillary viscosimeter 7 sample introductions, its process is: under control device control, the valve of first three-way solenoid valve 4 is allocated to the direction that communicates with first two-way electromagnetic valve 3, open first two-way electromagnetic valve 3, the valve of second three-way solenoid valve 10 is allocated to the direction that communicates with pipeline, and the valve of closing second two-way electromagnetic valve, 11, the three three-way solenoid valves 9 is allocated to the direction that communicates with the 3rd two-way electromagnetic valve 8, close the 3rd two-way electromagnetic valve 8, open air pump 14 and sample.The amount of sampling is controlled by the infrared ray photoelectricity liquid level sensor that is installed on the capillary viscosimeter 7.
5) oil sample is tested, its process is: under control device control, close air pump 14, the valve of first three-way solenoid valve 4 is allocated to the direction that communicates with first two-way electromagnetic valve 3, the valve of closing first two-way electromagnetic valve, 3, the three three-way solenoid valves 9 is allocated to the direction that communicates with the 3rd two-way electromagnetic valve 8, opens the 3rd two-way electromagnetic valve 8, the valve of second three-way solenoid valve 10 is allocated to the direction that communicates with second two-way electromagnetic valve 11, opens second two-way electromagnetic valve 11.At this moment, because of about gravity, capillary viscosimeter 7 interior liquid levels begin to descend, and pass through the time of two test points up and down by the infrared ray photoelectricity liquid level sensor record that is installed on the capillary viscosimeter 7, and according to this time calculating kinematic viscosity value.
6) clean, its process is: first three-way solenoid valve 4 under control device control, the 3rd three-way solenoid valve 9, the valve of second three-way solenoid valve 10 all is allocated to the position that communicates with pipeline, open air pump 14, extract a certain amount of cleaning fluid after, first three-way solenoid valve, 4 valves are allocated to the position of coming round with first two-way electromagnetic valve 3, open first two-way electromagnetic valve 3, carry out removal waste fluid.Cleaning process can repeat repeatedly according to user's needs.
7) oven dry, its process is: under control device control, the 3rd three-way solenoid valve 9, the valve of second three-way solenoid valve 10 all is allocated to the position that communicates with pipeline, first three-way solenoid valve, 4 valves are allocated to the position of coming round with first two-way electromagnetic valve 3, open first two-way electromagnetic valve 3, open air heating apparatus 1, open air pump 14, the test pipeline after cleaning is dried.Baking duration can carry out according to user's needs.
Claims (4)
1. automatic type kinematic viscosity tester, comprise the clean-out system bottle that connects with pipeline successively, the sample introduction cup, capillary viscosimeter, waste liquid bottle and air pump, capillary viscosimeter comprises the person in charge, side pipe and arm, the sample introduction cup is connected with the arm of capillary viscosimeter, be responsible for and all be connected with waste liquid bottle by pipeline with side pipe, it is characterized in that the pipeline between clean-out system bottle and the sample introduction cup is provided with first three-way solenoid valve, first three-way solenoid valve is connected with air heat and empty filter module, be provided with the firstth two-way electromagnetic valve between solenoid valve and air heat and the empty filter module, all be useful on second three-way solenoid valve that is connected air on the pipeline between the person in charge and side pipe and the waste liquid bottle, the 3rd three-way solenoid valve, second, the port that the 3rd three-way solenoid valve connects air is respectively equipped with second, the 3rd two-way electromagnetic valve, the pipeline between described waste liquid bottle and the air pump are provided with impermeability from detecting sensor.
2. automatic type kinematic viscosity tester according to claim 1 is characterized in that described air heat and empty filter module comprise air heating apparatus and air filter, and air heating apparatus is a heating wire, and air filter is an air filtering core.
3. automatic type kinematic viscosity tester according to claim 1 is characterized in that described impermeability is the negative-pressure type pressure transducer from detecting sensor.
4. automatic type kinematic viscosity tester according to claim 1 is characterized in that capillary viscosity counts Ubbelohde viscometer or Countercurrent capalastometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201704193U CN202092927U (en) | 2011-05-26 | 2011-05-26 | Automatic kinematic viscosity tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201704193U CN202092927U (en) | 2011-05-26 | 2011-05-26 | Automatic kinematic viscosity tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202092927U true CN202092927U (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201704193U Expired - Lifetime CN202092927U (en) | 2011-05-26 | 2011-05-26 | Automatic kinematic viscosity tester |
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| CN (1) | CN202092927U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199035A (en) * | 2016-08-29 | 2016-12-07 | 杭州卓祥科技有限公司 | A kind of lifting device being applicable to full-automatic viscosity measurement |
| RU2612049C1 (en) * | 2015-10-20 | 2017-03-02 | Федеральное государственное бюджетное учреждение науки Институт физической химии и электрохимии им. А.Н. Фрумкина Российской академии наук (ИФХЭ РАН) | Viscometer |
| CN106914462A (en) * | 2017-04-26 | 2017-07-04 | 北京市计量检测科学研究院 | Capillary viscosimeter automatic flushing device |
| CN107589048A (en) * | 2017-10-25 | 2018-01-16 | 泉州市全通光电科技有限公司 | A kind of new automatic kinematic viscosity tester and its method of testing |
| CN107643416A (en) * | 2017-10-25 | 2018-01-30 | 泉州市全通光电科技有限公司 | A kind of new automatic condensation point tester and its method of testing |
| CN107790445A (en) * | 2017-09-29 | 2018-03-13 | 中国计量科学研究院 | Capillary viscometer automatic cleaning device |
| CN107894375A (en) * | 2017-12-27 | 2018-04-10 | 上海神开石油仪器有限公司 | Full-automatic kinematic viscosity analyzer of working continuously |
| CN108645753A (en) * | 2018-06-23 | 2018-10-12 | 华电电力科学研究院有限公司 | A kind of device and assay method that power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI) |
-
2011
- 2011-05-26 CN CN2011201704193U patent/CN202092927U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2612049C1 (en) * | 2015-10-20 | 2017-03-02 | Федеральное государственное бюджетное учреждение науки Институт физической химии и электрохимии им. А.Н. Фрумкина Российской академии наук (ИФХЭ РАН) | Viscometer |
| CN106199035A (en) * | 2016-08-29 | 2016-12-07 | 杭州卓祥科技有限公司 | A kind of lifting device being applicable to full-automatic viscosity measurement |
| CN106914462A (en) * | 2017-04-26 | 2017-07-04 | 北京市计量检测科学研究院 | Capillary viscosimeter automatic flushing device |
| CN107790445A (en) * | 2017-09-29 | 2018-03-13 | 中国计量科学研究院 | Capillary viscometer automatic cleaning device |
| CN107589048A (en) * | 2017-10-25 | 2018-01-16 | 泉州市全通光电科技有限公司 | A kind of new automatic kinematic viscosity tester and its method of testing |
| CN107643416A (en) * | 2017-10-25 | 2018-01-30 | 泉州市全通光电科技有限公司 | A kind of new automatic condensation point tester and its method of testing |
| CN107643416B (en) * | 2017-10-25 | 2024-01-30 | 泉州市全通光电科技有限公司 | Novel full-automatic condensation point testing instrument and testing method thereof |
| CN107894375A (en) * | 2017-12-27 | 2018-04-10 | 上海神开石油仪器有限公司 | Full-automatic kinematic viscosity analyzer of working continuously |
| CN108645753A (en) * | 2018-06-23 | 2018-10-12 | 华电电力科学研究院有限公司 | A kind of device and assay method that power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI) |
| CN108645753B (en) * | 2018-06-23 | 2024-03-22 | 华电电力科学研究院有限公司 | Device and method for fully automatically measuring kinematic viscosity and viscosity index of oil for power equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111228 |
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| CX01 | Expiry of patent term |