CN107063927A - Optical fiber oil product kinematic viscosity determines device - Google Patents
Optical fiber oil product kinematic viscosity determines device Download PDFInfo
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- CN107063927A CN107063927A CN201710281229.0A CN201710281229A CN107063927A CN 107063927 A CN107063927 A CN 107063927A CN 201710281229 A CN201710281229 A CN 201710281229A CN 107063927 A CN107063927 A CN 107063927A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 155
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 8
- 239000003209 petroleum derivative Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract description 15
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
- G01N11/04—Investigating 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
- G01N11/06—Investigating 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
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- Physics & Mathematics (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Device, including capillary viscometer, the first optical fiber tube group, the second optical fiber tube group, light source and photodetection and processing unit are determined the invention discloses a kind of optical fiber oil product kinematic viscosity；Wherein, first optical fiber tube group and the second optical fiber tube group include two symmetrically arranged two L-shaped optical fiber tubes, by will form the transmission of optical signal at two test point graticules being against on capillary viscometer of transverse tube pipe end per symmetrically arranged two L-shaped optical fiber tubes respectively and receive medium, the rapid interval time for inerrably detecting fast-changing liquid level, the stability and the degree of accuracy for making measurement are not disturbed by temperature fluctuation, the measure device continues to use the capillary viscometer and corresponding measurement request and measuring method of national regulations simultaneously, meet the requirement that laboratory is accurately tested the full-automatic kinematic viscosity of oil sample.
Description
Technical Field
The invention relates to the technical field of oil field development experimental equipment, in particular to an optical fiber petroleum product kinematic viscosity measuring device.
Background
Along with the gradual decrease of the yield of part of oil fields in China, the abrasion of mechanical equipment is aggravated, the oil product is changed and changed according to periods, the viscosity is one of important indexes for evaluating whether the performance of the oil product can meet the working requirement, and a plurality of descriptions are provided for viscosity measurement methods in national standards. Among them, the capillary method is popular among the inspectors of petroleum products because of its simple operation and high accuracy, and more importantly, it is still the only instrument capable of calibrating standard viscosity in the metering department. The current national standard viscosity measurement method uses a manual viscosity measurement instrument, but the operation is complex, the labor intensity is high, and the system error is large; the traditional electronic measurement module has the problem that the viscosity of an oil sample in a constant temperature bath is measured by a temperature drift phenomenon, so that the accuracy of a measurement result is seriously restricted and influenced; and similar foreign products are expensive and have high maintenance cost.
Disclosure of Invention
The invention aims to provide an optical fiber petroleum product kinematic viscosity measuring device which meets the national standard, can automatically measure and record the viscosity of an oil sample and is not influenced by temperature change.
Therefore, the technical scheme of the invention is as follows:
an optical fiber petroleum product kinematic viscosity measuring device comprises a capillary viscometer, a first optical fiber tube group, a second optical fiber tube group, a light source and a photoelectric detection and processing device; wherein,
the first optical fiber tube group comprises two L-shaped optical fiber tubes which are symmetrically arranged at two sides of the capillary viscometer, and transverse tubes of the two L-shaped optical fiber tubes are positioned on the same horizontal line, and the ends of the transverse tubes are abutted against the side walls of the capillary tubes opposite to the capillary viscometer;
the second optical fiber tube group also comprises two L-shaped optical fiber tubes which are symmetrically arranged at two sides of the capillary viscometer, transverse tubes of the two L-shaped optical fiber tubes are positioned on the same horizontal line, the tube ends of the transverse tubes are propped against the side wall of the capillary tube opposite to the capillary tube of the capillary viscometer, and the transverse tubes of the two L-shaped optical fiber tubes of the second optical fiber tube group are arranged below the transverse tubes of the two L-shaped optical fiber tubes of the first optical fiber tube group at intervals;
the first optical fiber tube group and the second optical fiber tube group are respectively provided with an L-shaped optical fiber tube which is adjacent to each other, so that the light source is arranged above the end of the vertical tube of the two adjacent L-shaped optical fiber tubes, and the signal light emitted by the light source enters the optical fiber bundle of the L-shaped optical fiber tube through space coupling for light transmission;
the photoelectric detection and processing device is arranged above the vertical tube ends of the two L-shaped optical fiber tubes far away from the light source and comprises a first photoelectric detector, a second photoelectric detector, a signal processor, a timer and a display screen connected with the timer; the first photoelectric detector is respectively connected with the timer and an L-shaped optical fiber tube of the first optical fiber tube group below the timer; the second photoelectric detector is respectively connected with the timer and the L-shaped optical fiber tube of the second optical fiber tube group below the timer.
Further, the light source is an LED light source; the L-shaped optical fiber tube is composed of an L-shaped steel tube with the inner diameter of 3mm and a plurality of multi-mode optical fibers which are filled in and fill the space inside the steel tube.
Further, the vertical spacing distance between the transverse pipes of the two L-shaped optical fiber pipes of the second optical fiber pipe group and the transverse pipes of the L-shaped optical fiber pipes of the first optical fiber pipe group is 35 +/-2 mm.
Furthermore, an L-shaped glass protection tube is sleeved on the outer layer of each L-shaped optical fiber tube.
Compared with the prior art, the optical fiber petroleum product kinematic viscosity measuring device has the advantages of simple structure, low cost, simple and quick measurement and accurate and reliable data; specifically, the measuring device is a capillary viscometer specified by national standard and corresponding measuring requirements and measuring methods; meanwhile, a plurality of beams of optical fibers are used as signal transmission and receiving media, so that the interval time of the rapidly changed liquid level can be rapidly and inerrably detected, the stability and the accuracy of measurement are not interfered by temperature fluctuation, the requirement of a laboratory on the accurate test of the full-automatic kinematic viscosity of the oil sample is met, and the method has higher commercial value in the aspect of domestic petroleum kinematic viscosity measurement.
Drawings
FIG. 1 is a schematic front view of the kinematic viscosity measuring apparatus for optical fiber petroleum products according to the present invention;
FIG. 2 is a schematic side view of the optical fiber petroleum product kinematic viscosity measuring apparatus of the present invention;
FIG. 3 is a schematic structural view of a capillary viscometer of a kinematic viscosity measuring apparatus for petroleum products according to the present invention;
fig. 4 is a schematic structural view of an arrangement mode between a capillary viscometer, a second optical fiber tube group, and a second optical fiber tube group in the optical fiber petroleum product kinematic viscosity measuring apparatus according to the present invention.
Detailed Description
The invention will be further described with reference to the following figures and specific examples, which are not intended to limit the invention in any way.
As shown in fig. 1, the optical fiber petroleum product kinematic viscosity measuring device comprises a capillary viscometer 1, a first optical fiber tube group 2, a second optical fiber tube group 3, a light source 4 and a photoelectric detection and processing device 5 which are arranged on a main body frame 6; specifically, the method comprises the following steps:
as shown in fig. 1-2, the main body frame includes a vertical rod 601, a first horizontal plate 602 fixed at the top end of the vertical rod 601, and a second horizontal plate 603 fixed at the bottom end of the vertical rod 601, and two first optical fiber tube fixing plates 604 and second optical fiber tube fixing plates 605 arranged at an upper and lower interval are fixed at the middle part of the vertical rod 601; specifically, the vertical separation distance between the first fiber tube fixing plate 604 and the second fiber tube fixing plate 605 is 35 mm; the first optical fiber tube fixing plate 604 and the second optical fiber tube fixing plate 605 are provided with two insertion grooves located on the same axis, so that the first optical fiber tube fixing plate 604 and the second optical fiber tube fixing plate 605 are arranged on the capillary side of the capillary viscometer 1;
as shown in fig. 3, the capillary viscometer 1 is a U-shaped capillary viscometer prescribed in the national standard GB/T265-88 "kinematic viscosity measurement and dynamic viscosity calculation of petroleum products", and its specific structure includes a first tube 101, a capillary 104 and a second tube 106, a first expanding portion 102 and a second expanding portion 103 are formed between the first tube 101 and the capillary 104 from top to bottom, and a third expanding portion 105 is formed on the lower side of the second tube 106; a connecting branch pipe is processed on the side wall of the port close to the second pipe body 106 and is used for connecting an air exhaust device; specifically, the inner diameter of the first pipe body 101 is 4 mm; the inner diameter of the second tube body 106 is 10 mm; the inner diameter of the capillary 104 is determined according to the type of the oil sample to be tested; for example, when the oil sample to be tested is diesel oil, the inner diameter of the capillary 104 is processed to be 0.8mm, so as to meet the requirement that the flow time of the oil sample to be tested in the timing period is not less than 200 s;
wherein, the first optical fiber tube fixing plate 604 is horizontally arranged and fixed at the joint of the first expansion part 102 and the second expansion part 103, and the second optical fiber tube fixing plate 605 is horizontally arranged and fixed at the joint of the second expansion part 103 and the capillary 104; the second pipe body 106 is fixed on a second horizontal plate 603;
as shown in fig. 3 to 4, the first optical fiber tube group 2 includes two L-shaped optical fiber tubes 201 and 202, which are symmetrically disposed at two sides of the capillary viscometer 1, and the horizontal tubes of the two L-shaped optical fiber tubes are located on the same horizontal line, and the end faces of the tube ends of the horizontal tubes are abutted against the side walls of the capillary viscometer 1 opposite to the capillary tube;
correspondingly, in order to fix the arrangement positions of the two L-shaped optical fiber tubes 201 and 202 of the first optical fiber tube group 2 and the capillary 104 of the capillary viscometer 1, two insertion holes located on the same horizontal line are radially formed in the two side surfaces of the first optical fiber tube fixing plate 604, the two insertion holes are communicated with the axial through hole in the plate, so that the horizontal tubes of the two L-shaped optical fiber tubes 201 and 202 are inserted into the insertion holes, and the end surfaces of the two L-shaped optical fiber tubes 201 and 202 are in contact with the capillary 104 of the capillary viscometer 1; the two L-shaped optical fiber tubes 201 and 202 are U-shaped, and a first communicated optical path is formed by the capillary 104 made of transparent glass between the two L-shaped optical fiber tubes;
as shown in fig. 3 to 4, the second optical fiber tube group 3 also includes two L-shaped optical fiber tubes symmetrically disposed at two sides of the capillary viscometer 1, and the horizontal tubes of the two L-shaped optical fiber tubes are located on the same horizontal line, and the end faces of the end portions of the horizontal tubes are abutted against the side walls of the capillary viscometer 1 opposite to the capillary, and the horizontal tubes of the two L-shaped optical fiber tubes of the second optical fiber tube group 3 are disposed below the horizontal tubes of the two L-shaped optical fiber tubes of the first optical fiber tube group 2 at intervals;
correspondingly, in order to fix the arrangement positions of the two L-shaped optical fiber tubes 301 and 302 of the second optical fiber tube group 3 and the capillary 104 of the capillary viscometer 1, two insertion holes located on the same horizontal line are formed along the radial direction from the two side surfaces of the second optical fiber tube fixing plate 605, the two insertion holes are also communicated with the axial through hole on the plate, the horizontal tubes of the two L-shaped optical fiber tubes 301 and 302 are inserted into the insertion holes, the end surfaces of the two L-shaped optical fiber tubes 301 and 302 are contacted with the capillary 104 of the capillary viscometer 1, so that the two L-shaped optical fiber tubes 301 and 302 are in a U shape, and a second communicated optical path is formed through the;
the lengths of the vertical pipes of the two L-shaped optical fiber pipes 201 and 202 of the second optical fiber pipe group 3 are greater than the lengths of the vertical pipes of the two L-shaped optical fiber pipes 301 and 302 of the first optical fiber pipe group 2, so that the top end ports of the vertical pipes of the four L-shaped optical fiber pipes are flush with each other and extend out of the first horizontal plate 602 through four through holes formed in the first horizontal plate 602; the L-shaped optical fiber tube 201 and the L-shaped optical fiber tube 301 are disposed adjacent to each other, the light source 4 is disposed on the first horizontal plate 602 and specifically located above the L-shaped optical fiber tube 201 and the L-shaped optical fiber tube 301, so that signal light emitted by the light source 4 enters an optical fiber bundle of the optical fiber tube through spatial coupling for light transmission, that is, the L-shaped optical fiber tube 201 is an incident light path, and correspondingly, the L-shaped optical fiber tube 202 is an emergent light path, and similarly, the L-shaped optical fiber tube 301 is an incident light path, and correspondingly, the L-shaped optical fiber tube 302 is an emergent light path;
wherein, the light source 4 is an LED light source; the L-shaped optical fiber tube is composed of an L-shaped steel tube with the inner diameter of 3mm and a plurality of multi-mode optical fibers which are filled in the inner space of the steel tube so as to meet the transmission requirement of light. Meanwhile, in order to prevent the L-shaped optical fiber tubes from being damaged, an L-shaped glass protection tube with a size structure suitable is sleeved on the outer layer of each L-shaped optical fiber tube;
the photoelectric detection and processing device 5 is arranged on the first horizontal plate 602 and comprises a first photoelectric detector, a second photoelectric detector, a signal processor, a timer and a display screen connected with the timer; the first photoelectric detector is respectively connected with a timer and a vertical pipe end of an L-shaped optical fiber pipe 202 in the first optical fiber pipe group 2; the second photoelectric detector is respectively connected with the timer and the vertical pipe end of the L-shaped optical fiber pipe 302 in the second optical fiber pipe group 3 positioned at the same side; the first photoelectric detector and the second photoelectric detector are respectively used for receiving the light transmission blocking signal or the light transmission communicating signal transmitted by the first optical fiber tube group 2 and the second optical fiber tube group 3, the signal processor controls the start and stop of a timer connected with the signal processor, and finally, a display screen connected with the actual timing time of the timer displays the intermediate interval time t. The first photoelectric detector, the second photoelectric detector, the signal processor, the timer and the LED light source are connected with the plug through power lines, and when the LED light source is used, the LED light source can start to work by directly plugging electricity.
When in use, firstly, a glass cylinder with the depth larger than the height of the optical fiber petroleum product kinematic viscosity measuring device is prepared in a laboratory, water is added to serve as a water bath, and the temperature of the water bath is set to a certain temperature measured by national standard through a built-in heater and is kept in a constant temperature state for 15 minutes; then injecting an oil sample to be tested into the optical fiber petroleum product kinematic viscosity measuring device, wherein the specific injection method comprises the following steps: inverting the capillary viscometer 1, immersing a port of the first tube body 101 in a container containing an oil sample, blocking a port of the second tube body 106, connecting a manual suction device to a connecting branch tube of the second tube body 106 through an air pipeline, and introducing the oil sample into the first expansion part 102 in the first tube body 101 by sucking air in the second tube body 106;
after the oil sample is extracted, the position of the U-shaped capillary viscometer 1 is adjusted, and the oil sample is left at the bending part at the bottom of the capillary viscometer 1 under the action of gravity; placing the capillary viscometer 1 in a constant-temperature water bath, specifically placing the part below the first horizontal plate 602 in the constant-temperature water bath for 15 minutes, and after the temperature is constant, starting to perform the determination step;
starting a first photoelectric detector, a second photoelectric detector, a timer and a display screen of the LED light source 4 and the photoelectric detection and processing device 5 to keep the devices in a normal power-on working state; because the signal light emitted by the LED light source 4 enters the first optical path and the second optical path formed by the first optical fiber tube group 2 and the second optical fiber tube group 3 through spatial coupling, respectively, that is, the signal light is transmitted to one side of the tube wall of the capillary tube 104 through the incident optical fiber bundle, and the other receiving optical fiber on the same straight line with the incident optical fiber is just opposite to the other side of the tube wall of the capillary tube 104, and receives the signal light emitted from the incident optical fiber bundle and passing through the capillary tube 104, and then the receiving optical fiber transmits the received optical signal to the photodetector; therefore, when the oil sample passes through the end face of the transverse tube of the optical fiber tube, the intensity of the received optical signal is greatly reduced due to the reflection, absorption and other effects of the oil sample on the space optical signal, the optical path is blocked, and the first photoelectric detector and the second photoelectric detector can receive the optical signal, namely judge whether the oil sample is passing or has passed through the detection end face;
connecting a vacuum pump to a first pipe body 101 port of the capillary viscometer 1 through an air pipeline; starting the vacuum pump to make the oil sample slowly extend along the capillary 104 and the second expanderIn the stretching part 103, when the liquid level at the upper end of the oil sample reaches the first optical fiber tube fixing plate 604, the first optical transmission channel formed by the first optical fiber tube is blocked, the first photoelectric detector detects a light blocking signal and transmits the light blocking signal to the signal processor to start the timer to start timing, and meanwhile, the vacuum pump stops sucking and enables the first tube body 101 to be communicated with the air; the oil sample descends by means of self gravity, when the liquid level at the upper end of the oil sample continuously falls and just leaves a second optical transmission passage formed by the second optical fiber tube group 3, the second optical transmission passage is communicated again, the second photoelectric detector detects an optical communication signal and transmits the optical communication signal to the signal processor to stop the timer for timing, the timing is finished, and the timing time t of the timer is displayed on the screen; repeatedly measuring for three times, namely time t, and averaging to obtain tAverageAnd the kinematic viscosity v of the oil sample to be tested can be calculated by substituting the kinematic viscosity calculation formula of the oil sample given in the standardt。
Claims (4)
1. The device for measuring the kinematic viscosity of the optical fiber petroleum product is characterized by comprising a capillary viscometer (1), a first optical fiber tube group (2), a second optical fiber tube group (3), a light source (4) and a photoelectric detection and processing device (5); wherein,
the first optical fiber tube group (2) comprises two L-shaped optical fiber tubes which are symmetrically arranged at two sides of the capillary viscometer (1), and transverse tubes of the two L-shaped optical fiber tubes are positioned on the same horizontal line, and the ends of the transverse tubes are abutted against the side walls of the capillary tubes opposite to the capillary viscometer (1);
the second optical fiber tube group (3) also comprises two L-shaped optical fiber tubes which are symmetrically arranged at two sides of the capillary viscometer (1), transverse tubes of the two L-shaped optical fiber tubes are positioned on the same horizontal line, the end of each transverse tube is abutted against the side wall, opposite to the capillary tube, of the capillary viscometer (1), and the transverse tubes of the two L-shaped optical fiber tubes of the second optical fiber tube group (3) are arranged below the transverse tubes of the two L-shaped optical fiber tubes of the first optical fiber tube group (2) at intervals;
the first optical fiber tube group (2) and the second optical fiber tube group (3) are respectively provided with an L-shaped optical fiber tube which is arranged adjacently, so that the light source (4) is arranged above the pipe ends of the two adjacent L-shaped optical fiber tubes, and the signal light emitted by the light source (4) enters the optical fiber bundle of the L-shaped optical fiber tube through space coupling for light transmission;
the photoelectric detection and processing device (5) is arranged above the end parts of the vertical tubes of the two L-shaped optical fiber tubes far away from the light source (4) and comprises a first photoelectric detector, a second photoelectric detector, a signal processor, a timer and a display screen connected with the timer; the first photoelectric detector is respectively connected with the timer and an L-shaped optical fiber tube of the first optical fiber tube group (2) below the timer; the second photoelectric detector is respectively connected with the timer and the L-shaped optical fiber tube of the second optical fiber tube group (3) below the timer.
2. The optical fiber petroleum product kinematic viscosity measuring device according to claim 1, characterized in that the light source (4) is an LED light source; the L-shaped optical fiber tube is composed of an L-shaped steel tube with the inner diameter of 3mm and a plurality of multi-mode optical fibers which are filled in and fill the space inside the steel tube.
3. The optical fiber petroleum product kinematic viscosity measuring device according to claim 2, characterized in that the vertical spacing distance between the transverse pipes of the two L-shaped optical fiber pipes of the second optical fiber pipe group (3) and the transverse pipes of the L-shaped optical fiber pipes of the first optical fiber pipe group (2) is 35 ± 2 mm.
4. The optical fiber petroleum product kinematic viscosity measuring device according to claim 2, wherein an L-shaped glass protection tube is sleeved on an outer layer of each L-shaped optical fiber tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281229.0A CN107063927A (en) | 2017-04-26 | 2017-04-26 | Optical fiber oil product kinematic viscosity determines device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281229.0A CN107063927A (en) | 2017-04-26 | 2017-04-26 | Optical fiber oil product kinematic viscosity determines device |
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| CN107063927A true CN107063927A (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710281229.0A Pending CN107063927A (en) | 2017-04-26 | 2017-04-26 | Optical fiber oil product kinematic viscosity determines device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653835A (en) * | 2018-12-24 | 2019-04-19 | 重庆金康新能源汽车设计院有限公司 | Detection method, detection system and the automobile of engine motor oil viscosity |
| CN113634027A (en) * | 2021-07-04 | 2021-11-12 | 林哲鑫 | Suction filtration experimental device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD216319A1 (en) * | 1983-05-26 | 1984-12-05 | Cottbus Energiekombinat | ARRANGEMENT AND METHOD FOR DETECTING PROPERTIES OF A FLUID, IN PARTICULAR A GLASS MELT |
| CN2468038Y (en) * | 2001-03-18 | 2001-12-26 | 唐祥元 | Automatic detecting means of ping's caplastometer |
| CN201096700Y (en) * | 2007-08-30 | 2008-08-06 | 中国人民解放军海军后勤技术装备研究所 | Motion viscidity testing system |
| CN102539286A (en) * | 2011-11-16 | 2012-07-04 | 山东轻工业学院 | Automatic timing device and timing method of capillary viscometer |
-
2017
- 2017-04-26 CN CN201710281229.0A patent/CN107063927A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD216319A1 (en) * | 1983-05-26 | 1984-12-05 | Cottbus Energiekombinat | ARRANGEMENT AND METHOD FOR DETECTING PROPERTIES OF A FLUID, IN PARTICULAR A GLASS MELT |
| CN2468038Y (en) * | 2001-03-18 | 2001-12-26 | 唐祥元 | Automatic detecting means of ping's caplastometer |
| CN201096700Y (en) * | 2007-08-30 | 2008-08-06 | 中国人民解放军海军后勤技术装备研究所 | Motion viscidity testing system |
| CN102539286A (en) * | 2011-11-16 | 2012-07-04 | 山东轻工业学院 | Automatic timing device and timing method of capillary viscometer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653835A (en) * | 2018-12-24 | 2019-04-19 | 重庆金康新能源汽车设计院有限公司 | Detection method, detection system and the automobile of engine motor oil viscosity |
| CN113634027A (en) * | 2021-07-04 | 2021-11-12 | 林哲鑫 | Suction filtration experimental device and method |
| CN113634027B (en) * | 2021-07-04 | 2022-12-23 | 林哲鑫 | Suction filtration experimental device and method |
| CN113634027B8 (en) * | 2021-07-04 | 2023-03-14 | 林哲鑫 | Suction filtration experimental device and method |
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Application publication date: 20170818 |