CN107036936A - Test system and its method of testing for testing oil sample kinematic viscosity - Google Patents

Test system and its method of testing for testing oil sample kinematic viscosity Download PDF

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Publication number
CN107036936A
CN107036936A CN201611072990.5A CN201611072990A CN107036936A CN 107036936 A CN107036936 A CN 107036936A CN 201611072990 A CN201611072990 A CN 201611072990A CN 107036936 A CN107036936 A CN 107036936A
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CN
China
Prior art keywords
oil sample
kinematic viscosity
capillary
container
minisize
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611072990.5A
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Chinese (zh)
Inventor
张继勇
刘东明
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Beijing Run Road Oil Monitoring Technology Co Ltd
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Beijing Run Road Oil Monitoring Technology Co Ltd
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Application filed by Beijing Run Road Oil Monitoring Technology Co Ltd filed Critical Beijing Run Road Oil Monitoring Technology Co Ltd
Publication of CN107036936A publication Critical patent/CN107036936A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N11/02Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
    • G01N11/04Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
    • G01N11/06Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture by timing the outflow of a known quantity

Abstract

The present invention relates to a kind of minisize capillary pipe viscosimeter, wherein, the minisize capillary pipe viscosimeter includes:Container, for accommodating oil sample;Magnetic valve, the flowing for controlling the oil sample;And capillary, the kinematic viscosity for detecting the oil sample.The invention further relates to a kind of test system for testing oil sample kinematic viscosity including the minisize capillary pipe viscosimeter and the method for testing for testing oil sample kinematic viscosity.

Description

Test system and its method of testing for testing oil sample kinematic viscosity
Technical field
The invention belongs to field of analytic instrument, in particular it relates to the test system for testing oil sample kinematic viscosity.
Background technology
Kinematic viscosity is the physical quantity for the internal friction size for representing that liquid is produced in flowing, and kinematic viscosity is liquid A very important index, in the conveying of various liquids, production all plays very important effect, so in And, conventional motion viscosimeter can not have been met with the viscosity such as oil, residual oil, heavy oil very big non-newtonian fluid oil sample and emulsification The viscosimetric analysis of the aqueous oil sample such as oil, because flowing of the viscosity very big non-newtonian fluid oil sample in viscosimeter is extremely slow and is not Laminar condition, can cause measurement result inaccurate, and those viscosity very big used viscosimeter of oil sample is difficult cleaning;And Aqueous oil sample is difficult to remove these bubbles often with bubble, and in conventional motion viscosimeter, so measurement can be caused to tie It is really inaccurate.
Simultaneously as some oil samples can only be gathered on a small quantity such as the lubricating oil used in cigarette machine, and conventional motion viscosity Count the oil sample amount to be measured needed larger.
It would therefore be highly desirable to develop a kind of micro-capillary tubes viscosimeter that can solve the problem that above mentioned problem.
The content of the invention
It is an object of the invention in order to solve the above problems, one aspect of the present invention provides a kind of minisize capillary pipe viscosity Meter, including:Container, for accommodating oil sample;Capillary, for detecting the kinematic viscosity of oil sample and internally there is timing ball;With Magnetic valve, the flowing for controlling oil sample, it is characterised in that container is arranged on the top of minisize capillary pipe viscosimeter;Capillary It is arranged on the bottom of minisize capillary pipe viscosimeter and is connected with container;Magnetic valve is arranged between container and capillary.
According to an aspect of the present invention, container can be made up of glass.
According to an aspect of the present invention, capillary can be made up of glass.
On the other hand, the present invention also provides a kind of test system for being used to test oil sample kinematic viscosity, including:Miniature capillary Pipe viscosimeter, including:Container, for accommodating oil sample;Capillary, for detecting the kinematic viscosity of oil sample and internally there is timing Ball;And magnetic valve, the flowing for controlling oil sample, temperature-controlling system, the temperature for controlling oil sample;Photoelectric sensor, for examining Survey oil sample leaves the time needed for timing ball, and kinematic viscosity analysis system, and the time detected according to photoelectric sensor calculates The kinematic viscosity value of oil sample.
According to an aspect of the present invention, temperature-controlling system includes temperature sensor, constant temperature bath, stirring motor and heater.
According to an aspect of the present invention, temperature sensor can be PT100 temperature sensors.
According to an aspect of the present invention, kinematic viscosity analysis system includes micro calculator and software.
On the other hand, the present invention also provides a kind of method of testing for being used to test oil sample kinematic viscosity, wherein, including:The In one operation, the container that oil sample is injected to minisize capillary pipe viscosimeter, using the temperature-controlling system constant temperature oil sample scheduled time, micro blank The solenoid closure of capillary viscometer;Second operation, opens the capillary that magnetic valve makes oil sample flow into minisize capillary pipe viscosimeter In;3rd operation, detects that oil sample leaves the time of timing ball using photoelectric sensor;With the 4th operation, divided using kinematic viscosity The time that analysis system is detected according to photoelectric sensor calculates the kinematic viscosity value of oil sample.
According to an aspect of the present invention, the scheduled time in the first operation is 90s.
Compared with prior art, beneficial effects of the present invention are as follows:
(1) it is considerably less using oil sample amount using the kinematic viscosity of test system and test oil sample of the invention, both save quilt Oil sample is surveyed, cleaning solvent is saved again, while reducing the discharge of harmful substance, the physical impairment to operating personnel is reduced, Make it possible the measurement to some micro rare oil sample kinematic viscosity;
(2) due to the volume very little of test system of the invention, save and take up space and electric energy;
(3) test system of the invention is full-automatic, alleviates the workload of operating personnel;With
(4) test system and test speed of the invention is fast, substantially increases operating efficiency, helps to produce the quality of product Control, is that society brings huge benefit.
Brief description of the drawings
Fig. 1 shows the minisize capillary pipe viscosimeter according to the present invention;
Fig. 2 shows temperature constant state of the oil sample in the minisize capillary pipe viscosimeter according to the present invention;
Fig. 3 shows measuring state of the oil sample in the minisize capillary pipe viscosimeter according to the present invention.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, described specific embodiment is only right The present invention is explained, and is not intended to limit the invention.
As shown in figure 1, one aspect of the present invention provides a kind of minisize capillary pipe viscosimeter, including:Container 1, for accommodating oil Sample;Capillary 2, for detecting the kinematic viscosity of oil sample and internally there is timing ball;With magnetic valve 3, for controlling oil sample Flowing, it is characterised in that container is arranged on the top of minisize capillary pipe viscosimeter;Capillary is arranged on minisize capillary pipe viscosimeter Bottom and be connected with container;Magnetic valve is arranged between container and capillary.
Wherein, container 1 can be made up of glass, other common used materials can also be made in this area.The shape of container 1 It is not particularly limited, can is funnel-form or cylinder.
Wherein, capillary 1 can be made up of glass, other common used materials can also be made in this area.Capillary can To be special, and with different capillary constants.For example, because different capillaries has different capillary constants, And different oil samples has different kinematic viscosity, so when detecting the kinematic viscosity of oil sample, can be according to different examinations Test temperature, different experiment oil samples selects to be suitable for the capillary of oil sample to be measured.Capillary in Fig. 2 has two timing Ball, however, capillary can have one, three or more timing balls as needed.
Wherein, the species of magnetic valve is not particularly limited, as long as oil sample can be controlled it is stopped or is flowed out from container .
On the other hand, the present invention provides a kind of test system for being used to test oil sample kinematic viscosity, including:Minisize capillary pipe Viscosimeter, including:Container, for accommodating oil sample;Capillary, for detecting the kinematic viscosity of oil sample and internally there is timing Ball;And magnetic valve, the flowing for controlling oil sample, temperature-controlling system, the temperature for controlling oil sample;Photoelectric sensor, for examining Survey oil sample leaves the time needed for timing ball, and kinematic viscosity analysis system, and the time detected according to photoelectric sensor calculates The kinematic viscosity value of oil sample.
Wherein, temperature-controlling system can include temperature sensor, constant temperature bath, stirring motor and heater.
Wherein, temperature sensor can be PT100 temperature sensors.
Wherein, kinematic viscosity analysis system includes micro calculator and software.
On the other hand, the present invention also provides a kind of method of testing for being used to test oil sample kinematic viscosity, wherein, including:The In one operation, the container that oil sample is injected to minisize capillary pipe viscosimeter, using the temperature-controlling system constant temperature oil sample scheduled time, micro blank The solenoid closure of capillary viscometer;Second operation, opens the capillary that magnetic valve makes oil sample flow into minisize capillary pipe viscosimeter In;3rd operation, detects that oil sample leaves the time of timing ball using photoelectric sensor;With the 4th operation, divided using kinematic viscosity The time that analysis system is detected according to photoelectric sensor calculates the kinematic viscosity value of oil sample.
Wherein, in first operates, used oil sample is few, for example, can be 0.5-1mL, solves conventional motion and glues Due to the problem of required oil sample amount is difficult to greatly cleaning when degree meter detection lubricating oil, heavy oil or residual oil.As shown in Fig. 2 using control Warm system constant temperature oil sample, oil sample injection is positioned at the container 1 on minisize capillary pipe viscosimeter top, and now oil sample is in the bottom of container 1 And made it possible to ensure that below the liquid level of constant temperature bath 4 when determining the kinematic viscosity of oil sample, temperature and the constant temperature bath 4 of oil sample Temperature is identical.
As shown in figure 3, after constant temperature oil sample 90s, magnetic valve is opened, oil sample is flowed into capillary, and oil sample is flowed through with meniscus Timing ball, now, photoelectric sensor can detect that oil sample leaves the time of timing ball, specifically, in the upper surface of timing ball and High scale line and lower graduation mark are set respectively at lower surface, when oil sample flows through high scale line, when photoelectric detector records one Between be T1, when oil sample flows through lower graduation mark, photoelectric detector records another time for time T2, (T2-T1) be oil sample from Open the time of timing ball.Oil sample adverse current flows through timing ball with meniscus, solves conventional motion viscosimeter detection color deeper The problem of being difficult to the concave meniscus of accurate detection oil sample when lubricating oil, heavy oil or residual oil.
Wherein, except the kinematic viscosity value of calculating oil sample, kinematic viscosity analysis system can also automatically clean and dry hair Tubule.
It is considerably less using oil sample amount using the kinematic viscosity of the test system and test oil sample of the present invention, both save tested Oil sample, saves cleaning solvent again, while reducing the discharge of harmful substance, makes to some micro rare oil sample kinematic viscosity Measurement is possibly realized.
Due to the volume very little of the test system of the present invention, save and take up space and electric energy.
The test system of the present invention is full-automatic, alleviates the workload of operating personnel.
The test system and test speed of the present invention is fast, substantially increases operating efficiency, helps to produce the quality control of product System, is that society brings huge benefit.
Embodiments above is only used for that the present invention will be further described, it is impossible to be interpreted as to the scope of the present invention Limitation.Any engineers and technicians for being familiar with the field change according to foregoing invention content is nonessential to some done of the invention Enter and adjust, should all be included within the scope of the present invention.

Claims (9)

1. a kind of minisize capillary pipe viscosimeter, including:
Container, for accommodating oil sample;
Capillary, for detecting the kinematic viscosity of the oil sample and internally there is timing ball;With
Magnetic valve, the flowing for controlling the oil sample,
Characterized in that,
The container is arranged on the top of the minisize capillary pipe viscosimeter;
The capillary is arranged on the bottom of the minisize capillary pipe viscosimeter and is connected with the container;
The magnetic valve is arranged between the container and the capillary.
2. minisize capillary pipe viscosimeter according to claim 1, wherein, the container is made up of glass.
3. minisize capillary pipe viscosimeter according to claim 1, wherein, the capillary is made up of glass.
4. a kind of test system for being used to test oil sample kinematic viscosity, including:
Minisize capillary pipe viscosimeter, including:
Container, for accommodating oil sample;
Capillary, for detecting the kinematic viscosity of the oil sample and internally there is timing ball;With
Magnetic valve, the flowing for controlling the oil sample,
Temperature-controlling system, the temperature for controlling the oil sample;
Photoelectric sensor, for detect the oil sample leave the timing ball needed for time, and
Kinematic viscosity analysis system, the time detected according to the photoelectric sensor calculates the kinematic viscosity value of the oil sample.
5. test system according to claim 4, wherein, the temperature-controlling system includes temperature sensor, constant temperature bath, stirring Motor and heater.
6. test system according to claim 5, wherein, the temperature sensor is PT100 temperature sensors.
7. test system according to claim 4, wherein, the kinematic viscosity analysis system includes micro calculator and soft Part.
8. a kind of method of testing for being used to test oil sample kinematic viscosity, wherein, including:
It is predetermined using oil sample described in temperature-controlling system constant temperature in first operation, the container that oil sample is injected to minisize capillary pipe viscosimeter Time, the solenoid closure of minisize capillary pipe viscosimeter;
Second operation, opening the magnetic valve makes the oil sample flow into the capillary of the minisize capillary pipe viscosimeter;
3rd operation, detects that the oil sample leaves the time of the timing ball using photoelectric sensor;With
4th operation, the time detected using kinematic viscosity analysis system according to the photoelectric sensor calculates the oil sample Kinematic viscosity value.
9. method of testing according to claim 8, wherein, the scheduled time in first operation is 90s.
CN201611072990.5A 2016-10-27 2016-11-29 Test system and its method of testing for testing oil sample kinematic viscosity Pending CN107036936A (en)

Applications Claiming Priority (4)

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CN2016109555476 2016-10-27
CN201610955547 2016-10-27
CN2016109272689 2016-10-31
CN201610927268 2016-10-31

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)
WO2020070359A1 (en) 2018-10-02 2020-04-09 Universidad De Huelva Device for measuring rheological properties in fluids
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583395A (en) * 1984-06-08 1986-04-22 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Viscometer
CN202793966U (en) * 2012-08-14 2013-03-13 百顺松涛(天津)动力电池科技发展有限公司 Flow-timing liquid viscosity detection device
CN203299084U (en) * 2013-06-06 2013-11-20 深圳市湘津石仪器有限公司 Automatic calibration device of capillary viscometer
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
CN205580926U (en) * 2016-05-10 2016-09-14 大庆粥家庄食品有限公司 Congee oil check out test set
CN205679501U (en) * 2015-12-19 2016-11-09 西安瑞联新材料股份有限公司 A kind of capillary viscosimeter apparatus for automatically measuring of system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583395A (en) * 1984-06-08 1986-04-22 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Viscometer
CN202793966U (en) * 2012-08-14 2013-03-13 百顺松涛(天津)动力电池科技发展有限公司 Flow-timing liquid viscosity detection device
CN203299084U (en) * 2013-06-06 2013-11-20 深圳市湘津石仪器有限公司 Automatic calibration device of capillary viscometer
CN205679501U (en) * 2015-12-19 2016-11-09 西安瑞联新材料股份有限公司 A kind of capillary viscosimeter apparatus for automatically measuring of system
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
CN205580926U (en) * 2016-05-10 2016-09-14 大庆粥家庄食品有限公司 Congee oil check out test set

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2020070359A1 (en) 2018-10-02 2020-04-09 Universidad De Huelva Device for measuring rheological properties in fluids

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Application publication date: 20170811

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