CN115184220A - Online visual oil abrasive particle sensor and working method - Google Patents
Online visual oil abrasive particle sensor and working method Download PDFInfo
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- CN115184220A CN115184220A CN202210811175.5A CN202210811175A CN115184220A CN 115184220 A CN115184220 A CN 115184220A CN 202210811175 A CN202210811175 A CN 202210811175A CN 115184220 A CN115184220 A CN 115184220A
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- 239000002245 particle Substances 0.000 title claims abstract description 25
- 230000000007 visual effect Effects 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 48
- 230000005291 magnetic effect Effects 0.000 claims abstract description 30
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 238000005286 illumination Methods 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 123
- 230000008021 deposition Effects 0.000 claims description 29
- 230000005294 ferromagnetic effect Effects 0.000 claims description 24
- 239000000725 suspension Substances 0.000 claims description 24
- 230000003287 optical effect Effects 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 14
- 230000005389 magnetism Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000012800 visualization Methods 0.000 claims description 3
- 239000010724 circulating oil Substances 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000005065 mining Methods 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 208000035874 Excoriation Diseases 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
- G01N15/0227—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging using imaging, e.g. a projected image of suspension; using holography
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- G01N15/075—
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses an online visual oil abrasive particle sensor and a working method thereof, which are suitable for monitoring oil impurities in industrial and mining enterprises. The device comprises a main runner unit, a magnetic control unit, a backlight unit, a control unit and a shooting unit; the abrasive particles in the oil can reflect the health state of the rotary machine, after the oil enters the main runner unit, the control unit controls the magnetic control unit to adsorb impurities in the oil on the inner wall of the main runner unit, the backlight unit provides illumination, and the shooting unit realizes shooting of particulate matters generated by mechanical wear, so that the special health condition can be analyzed quickly, and a maintenance suggestion is given; its simple structure, degree of automation is high, can effectively realize getting evidence and the analysis on line of impurity in the fluid, has reduced fluid analysis cost.
Description
Technical Field
The invention relates to an online visual oil abrasive particle sensor and a working method thereof, which are particularly suitable for monitoring oil impurities and analyzing wear of parts of rotating machinery of industrial and mining enterprises.
Background
Rotating machines are widely used in modern mechanical equipment, and abrasion debris generated by abrasion of parts during operation of the rotating machines can be mixed into lubricating oil, and secondary abrasion occurs during flowing, so that the rotating machines are in failure. The quantity, the size and other characteristics of abrasive particles in the oil can reflect the health state of the rotary machine, and the oil monitoring is an important means for analyzing the state of mechanical equipment, so the oil monitoring has important value.
In current fluid monitoring process, the off-line analysis of most online samples leads to analysis cycle length, with high costs, influences the monitoring progress, increases the plant maintenance cost, causes unnecessary extravagant.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the defects in the prior art, the on-line visual oil abrasive particle sensor with simple structure, high analysis precision and good use effect and the working method are provided.
The technical scheme is as follows: in order to achieve the technical purpose, the invention provides an online visual oil abrasive particle sensor which is characterized in that: the device comprises a main runner unit, a magnetic control unit, a backlight unit, a control unit and a shooting unit; the main runner unit comprises an oil inlet and an oil return port, so that the main runner unit is added into a circulating oil circuit of the tested equipment, after oil of the tested equipment enters the main runner unit, the control unit controls the magnetic control unit to adsorb impurities in the oil on the inner wall of the main runner unit, the backlight unit provides illumination, and the shooting unit realizes shooting of abrasive particles;
the backlight unit comprises a backlight plate which is arranged at the lower side of the lower lens and projects transmission light towards the upper lens;
the shooting unit comprises a high-speed camera and an optical suite, the high-speed camera and the optical suite are coaxial, an optical axis is perpendicular to a plane where the upper lens is located, and a focal plane of the optical suite is coplanar with the upper surface of the lower lens.
Further, the sprue unit comprises a monitoring cavity of a rectangular pipeline structure, an oil inlet end and an oil return end which are convenient for pipeline connection are arranged at two ends of the monitoring cavity respectively, the monitoring cavity comprises a lens partition beam forming a rectangular pipeline frame body, an upper lens is arranged above the lens partition beam and is provided with a lower lens, the oil inlet end comprises an oil inlet cavity communicated with one end of the monitoring cavity, an oil inlet is arranged on the oil inlet cavity, the oil return end comprises an oil return cavity, an oil return port is arranged on the oil return cavity, the oil inlet and the oil return port are perpendicular to the plane, the upper lens and the lower lens are respectively attached to the upper end face and the lower end face of the lens partition beam and form a rectangular hollow flow channel, the flow channel is communicated with the oil inlet cavity and the oil return cavity, maintenance ports are respectively arranged at two sides of the oil inlet cavity and the oil return cavity, and maintenance port plugs are arranged in the maintenance ports for sealing.
Further, the magnetic control unit comprises a deposition magnet and a compound suspension magnet; the deposition magnet is fixed on the lower surface of the lower lens and is arranged close to the oil inlet cavity, and the compound suspension magnet is fixed on the upper surface of the upper lens and is arranged close to the oil return cavity.
Further, the control unit comprises an image shooting control and analysis module, a backlight control module and a magnetic control module; the image shooting control and analysis module is in data connection with the high-speed camera, the backlight control module is connected with the backlight plate, the image shooting control and analysis module analyzes the brightness of an image, and the backlight control module provides different driving voltages for the backlight plate according to the brightness so as to realize illumination intensity adjustment; the magnetic control module is connected with the deposition magnet and the compound suspension magnet, and controls the magnetic force of the deposition magnet and the compound suspension magnet to realize the adsorption and release of oil abrasive particles;
a working method of an online visual oil abrasive particle sensor comprises the following steps:
an impurity deposition stage: the online visual oil abrasive particle sensor is connected into an oil circuit of the equipment for circulation through an oil inlet and an oil return port, oil containing ferromagnetic impurities flows into a flow channel between the upper lens and the lower lens through the oil inlet and the oil inlet cavity, the magnetic control module drives the deposition magnet to adsorb the ferromagnetic impurities on the upper surface of the lower lens, and the compound suspension magnet is not magnetic;
and (3) impurity observation stage: the deposition magnet adsorbs ferromagnetic impurities and finishes an impurity deposition stage after reaching preset time, the magnetic control module stops driving the deposition magnet, current is cut off, the deposition magnet loses magnetism and releases the deposited ferromagnetic impurities, the ferromagnetic impurities flow along with oil and enter a shooting range of the high-speed camera and the optical suite, the image shooting control and analysis module controls the high-speed camera to shoot and store the ferromagnetic impurities for multiple times and analyzes the brightness of images, and the backlight control module adjusts output voltage according to the brightness of the images and controls the backlight plate to send transmission light with proper brightness;
impurity cleaning stage: after a shooting period, impurities still remain in the oil, and the magnetic control module drives the compound suspension magnet to adsorb ferromagnetic impurities on the lower surface of the upper lens, so that impurity cleaning of the oil is realized; and stopping driving the secondary suspension magnet, losing magnetism of the secondary suspension magnet and finally releasing ferromagnetic impurities into the oil liquid, and flowing out along with the oil liquid through the oil return cavity and the oil return port.
Has the advantages that:
this device simple structure uses degree of automation height, can be effectively to the monitoring and the spare part wearing and tearing analysis of fluid impurity of rotating machinery, including analysis rotating machinery fluid impurity, monitoring facilities running state, easy operation, fluid is lossless, obviously reduces fluid analysis cycle, reduces the maintenance of equipment cost, makes things convenient for staff's quick analysis equipment running state, has avoided the wrong report of trouble to report late, provides effectual monitoring means for the monitoring of equipment state.
Drawings
FIG. 1 is a schematic structural diagram of an online visualization oil abrasive particle sensor according to the present invention;
FIG. 2 is an assembly drawing of a main runner unit of the online visual oil abrasive particle sensor;
fig. 3 is an assembly drawing of a magnetic control unit, a backlight unit, a control unit and a shooting unit of the online visual oil abrasive particle sensor.
In the figure: 1-main runner unit, 2-magnetic control unit, 3-backlight unit, 4-control unit, 5-shooting unit, 101-oil inlet, 102-oil inlet cavity, 103-lens beam, 104-upper lens, 105-lower lens, 106-oil return cavity, 107-oil return port, 108-access port, 109-access port plug, 201-deposition magnet, 202-compound suspension magnet, 301-backlight plate, 401-image shooting control and analysis module, 402-backlight control module, 403-magnetic control module, 501-high speed camera, 502-optical suite.
Detailed description of the preferred embodiment
The embodiments are further described with reference to the following drawings:
as shown in fig. 1, the online visual oil abrasive particle sensor of the invention comprises a main runner unit 1, a magnetic control unit 2, a backlight unit 3, a control unit 4 and a shooting unit 5; after the oil liquid enters the main runner unit 1, the control unit 4 controls the magnetic control unit 2 to adsorb impurities in the oil liquid on the inner wall of the main runner unit 1, the backlight unit 3 provides illumination, and the shooting unit 5 realizes shooting of abrasive particles;
as shown in fig. 2, the main flow passage unit 1 includes an oil inlet 101, an oil inlet cavity 102, a lens partition beam 103, an upper lens 104, a lower lens 105, an oil return cavity 106, an oil return port 107, an access port 108, and an access port plug 109; the oil inlet 101 penetrates through the oil inlet cavity 102, the oil return port 107 penetrates through the oil return cavity 106, the oil inlet cavity 102 and the oil return cavity 106 are connected through the lens spacer beam 103 and are positioned on the same plane, the oil inlet 101 and the oil return port 107 are perpendicular to the plane, the upper lens 104 and the lower lens 105 are respectively attached to the upper end surface and the lower end surface of the lens spacer beam 103 and form a rectangular hollow flow channel, the flow channel is communicated with the oil inlet cavity 102 and the oil return cavity 106, the two sides of the oil inlet cavity 102 and the two sides of the oil return cavity 106 are respectively provided with an access hole 108, and an access hole sealing plug 109 is arranged in the access hole 108 for sealing;
as shown in fig. 3, the magnetron unit 2 includes a deposition magnet 201, a compound suspension magnet 202; the deposition magnet 201 is mounted on the lower side of the lower lens 105, the double suspension magnet 202 is located on the upper surface of the upper lens 104, the deposition magnet 201 is located at the connection position of the oil inlet cavity 102 and the lens spacer beam 103, and the double suspension magnet 202 is located at the connection position of the oil return cavity 106 and the lens spacer beam 103;
as shown in fig. 3, the backlight unit 3 includes a backlight plate 301, the backlight plate 301 is installed at the lower side of the lower lens 105 and projects transmission light toward the upper lens 104;
as shown in fig. 3, the control unit 4 includes an image capture control and analysis module 401, a backlight control module 402, and a magnetic control module 403; the image shooting control and analysis module 401 is in data connection with the high-speed camera 501, the backlight control module 402 is connected with the backlight plate 301, the image shooting control and analysis module 401 analyzes the brightness of an image, the backlight control module 402 provides different driving voltages for the backlight plate 301 according to the brightness to realize illumination intensity adjustment, and the magnetic control module 403 is connected with the deposition magnet 201 and the compound suspension magnet 202;
as shown in fig. 3, the shooting unit 5 includes a high-speed camera 501 and an optical suite 502, the high-speed camera 501 is coaxial with the optical suite 502, the optical axis is perpendicular to the plane of the upper lens 104, and the focal plane of the optical suite 502 is coplanar with the upper surface of the lower lens 105;
a working method of an online visual oil abrasive particle sensor comprises the following use steps:
an impurity deposition stage: oil containing ferromagnetic impurities flows into a flow channel between the upper lens 104 and the lower lens 105 through the oil inlet 101 and the oil inlet cavity 102, and the magnetic control module 403 drives the deposition magnet 201 to adsorb the ferromagnetic impurities on the upper surface of the lower lens 105;
and (3) impurity observation stage: after a deposition period, the magnetic control module 403 stops driving the deposition magnet 201, the deposition magnet 201 loses magnetism and releases deposited ferromagnetic impurities, the ferromagnetic impurities enter a shooting range of the high-speed camera 501 and the optical suite 502 along with the flowing of oil, the image shooting control and analysis module 401 controls the high-speed camera 501 to shoot and store the ferromagnetic impurities for multiple times and analyzes the brightness of an image, and the backlight control module 402 adjusts output voltage according to the brightness of the image and controls the backlight plate 301 to emit transmitted light with proper brightness;
and (3) impurity cleaning: after a shooting period, the magnetic control module 403 drives the double suspension magnet 202 to adsorb ferromagnetic impurities on the lower surface of the upper lens 104, then the pipeline of the oil return port 107 is disconnected, the driving of the double suspension magnet 202 is stopped, the double suspension magnet 202 loses magnetism and finally releases the ferromagnetic impurities into oil, and the ferromagnetic impurities flow out of the sensor along with the oil through the oil return cavity 106 and the oil return port 107.
Claims (5)
1. The utility model provides an online visual fluid grit sensor which characterized in that: comprises a main runner unit (1), a magnetic control unit (2), a backlight unit (3), a control unit (4) and a shooting unit (5); the main runner unit (1) comprises an oil inlet (101) and an oil return port (107), so that the main runner unit (1) is added into a circulating oil circuit of the tested equipment, after oil of the tested equipment enters the main runner unit (1), the control unit (4) controls the magnetic control unit (2) to adsorb impurities in the oil on the inner wall of the main runner unit (1), the backlight unit (3) provides illumination, and the shooting unit (5) realizes shooting of abrasive particles;
the backlight unit (3) comprises a backlight plate (301), the backlight plate (301) is arranged at the lower side of the lower lens (105) and projects transmission light towards the upper lens (104);
the shooting unit (5) comprises a high-speed camera (501) and an optical suite (502), the high-speed camera (501) is coaxial with the optical suite (502), an optical axis is perpendicular to a plane where the upper lens (104) is located, and a focal plane of the optical suite (502) is coplanar with the upper surface of the lower lens (105).
2. The on-line visual oil abrasive particle sensor according to claim 1, wherein: the utility model discloses a seal structure, including rectangular pipeline structure's monitoring cavity, monitoring cavity both ends are equipped with the oil feed end and the oil return end of being convenient for the tube coupling respectively that the sprue unit (1) includes the monitoring cavity, the monitoring cavity is including lens that constitute the rectangular pipeline framework separate roof beam (103), and lens separates roof beam (103) top and is equipped with lens (104) below and is equipped with down lens (105), the oil feed end includes the oil feed cavity (102) with monitoring cavity one end intercommunication, is equipped with oil inlet (101) on oil feed cavity (102), and the oil return end includes return oil cavity (106), is equipped with oil return opening (107) on return oil cavity (106), and oil inlet (101), oil return opening (107) are perpendicular to this plane, go up lens (104) and lower lens (105) and laminate respectively in lens separate roof beam (103) terminal surface from top to form rectangle cavity runner, the runner is equipped with oil feed cavity (102), return oil cavity (106) both sides respectively have access hole (108), and access hole shutoff plug (109) are equipped with in access hole (108) seals.
3. The on-line visualization oil abrasive particle sensor according to claim 1, wherein: the magnetic control unit (2) comprises a deposition magnet (201) and a compound suspension magnet (202); wherein the deposition magnet (201) is fixed on the lower surface of the lower lens (105) and is arranged close to the oil inlet cavity (102), and the compound suspension magnet (202) is fixed on the upper surface of the upper lens (104) and is arranged close to the oil return cavity (106).
4. The on-line visual oil abrasive particle sensor according to claim 1, wherein: the control unit (4) comprises an image shooting control and analysis module (401), a backlight control module (402) and a magnetic control module (403); the image shooting control and analysis module (401) is in data connection with the high-speed camera (501), the backlight control module (402) is connected with the backlight plate (301), the image shooting control and analysis module (401) analyzes the brightness degree of an image, and the backlight control module (402) provides different driving voltages for the backlight plate (301) according to the brightness degree to realize illumination intensity adjustment; the magnetic control module (403) is connected with the deposition magnet (201) and the compound suspension magnet (202), and the magnetic control module (403) controls the magnetic force of the deposition magnet (201) and the compound suspension magnet (202) to realize the adsorption and release of oil abrasive particles;
5. an operation method of the online visualization oil abrasive particle sensor in claim 1 is characterized by comprising the following steps:
an impurity deposition stage: the online visual oil abrasive particle sensor is connected into an oil circuit of equipment for circulation through an oil inlet (101) and an oil return port (107), oil containing ferromagnetic impurities flows into a flow channel between an upper lens (104) and a lower lens (105) through the oil inlet (101) and an oil inlet cavity (102), a magnetic control module (403) drives a deposition magnet (201) to adsorb the ferromagnetic impurities on the upper surface of the lower lens (105), and the compound suspension magnet (202) has no magnetism;
and (3) impurity observation stage: the deposition magnet (201) adsorbs ferromagnetic impurities for a preset time, then the impurity deposition stage is completed, the magnetic control module (403) stops driving the deposition magnet (201), the current is cut off, the deposition magnet (201) loses magnetism and releases the deposited ferromagnetic impurities, the ferromagnetic impurities enter the shooting ranges of the high-speed camera (501) and the optical suite (502) along with the flowing of oil, the image shooting control and analysis module (401) controls the high-speed camera (501) to shoot and store the ferromagnetic impurities for multiple times and analyzes the brightness of images, the backlight control module (402) adjusts output voltage according to the brightness of the images and controls the backlight plate (301) to emit transmitted light with proper brightness;
impurity cleaning stage: after a shooting period, impurities still remain in the oil liquid, the magnetic control module (403) drives the compound suspension magnet (202) to adsorb ferromagnetic impurities on the lower surface of the upper lens (104), and impurity cleaning of the oil liquid is achieved; and stopping driving the double suspension magnet (202), losing magnetism of the double suspension magnet (202) and finally releasing ferromagnetic impurities into the oil, and flowing out along with the oil through the oil return cavity (106) and the oil return port (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210811175.5A CN115184220A (en) | 2022-07-11 | 2022-07-11 | Online visual oil abrasive particle sensor and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210811175.5A CN115184220A (en) | 2022-07-11 | 2022-07-11 | Online visual oil abrasive particle sensor and working method |
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| Publication Number | Publication Date |
|---|---|
| CN115184220A true CN115184220A (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210811175.5A Pending CN115184220A (en) | 2022-07-11 | 2022-07-11 | Online visual oil abrasive particle sensor and working method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116660107A (en) * | 2023-04-27 | 2023-08-29 | 北京格谱检测科技有限公司 | Online wear detection anti-bubble interference method and device |
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2022
- 2022-07-11 CN CN202210811175.5A patent/CN115184220A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116660107A (en) * | 2023-04-27 | 2023-08-29 | 北京格谱检测科技有限公司 | Online wear detection anti-bubble interference method and device |
| CN116660107B (en) * | 2023-04-27 | 2024-04-19 | 北京格谱检测科技有限公司 | Online wear detection anti-bubble interference method and device |
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