CN110243735A - A kind of plane inductive coil formula hydraulic oil abrasive grain classified Monitoring device - Google Patents
A kind of plane inductive coil formula hydraulic oil abrasive grain classified Monitoring device Download PDFInfo
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- CN110243735A CN110243735A CN201910695364.9A CN201910695364A CN110243735A CN 110243735 A CN110243735 A CN 110243735A CN 201910695364 A CN201910695364 A CN 201910695364A CN 110243735 A CN110243735 A CN 110243735A
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- detection
- inductive coil
- pipeline
- plane inductive
- hydraulic oil
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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
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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
- G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
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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
- G01N2015/0288—Sorting the particles
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The present invention provides a kind of plane inductive coil formula hydraulic oil abrasive grain classified Monitoring device, comprising: detection pipeline, the connection structure that the monitoring device is connected to by-pass line and multiple hierarchical detection modules being set on the detection pipeline that the detection pipeline two sides are arranged in；The hierarchical detection module includes: to flow into the coarse filter element inductance detection region in the direction for detecting pipeline along testing liquid and flow out the fine filtering core inductance detection region in the direction of the detection pipeline along testing liquid.The present invention is by way of being added different meshes filter core in detection pipeline, effectively the metal worn particle in hydraulic oil is adsorbed on filter core, this not only contributes to realize the detection to metal worn particle, effectively various sizes of abrasive grain can be separated from hydraulic oil simultaneously, and the dimension information of abrasive grain can be obtained, reduce the abrasive grain content in hydraulic oil.And two opposed plane inductive coils in parallel designed by the present apparatus have higher detection sensitivity.
Description
Technical field
The present invention relates to G01 measurements；The technical field of test, specifically, more particularly to a kind of plane inductive coil formula
Hydraulic oil abrasive grain classified Monitoring device.
Background technique
Hydraulic system fault is as caused by the pollution of hydraulic oil.Abrasive grain in hydraulic oil can be with hydraulic oil in hydraulic pressure system
It is recycled in system, the abrasion of Hydraulic Elements can be aggravated, reduce its service life, lead to the generation of failure.For this purpose, being set up in hydraulic system
It is equipped with oil contaminant separator.But existing wear particle detection device all only offline inspections applied to laboratory mostly
It surveys, and the on-Line Monitor Device in hydraulic system, which is arranged in, often all only realizes the monitoring of abrasive grain overall density, and can not be right
The abrasive grain of different size ranges realizes more detailed detection.And the size and form etc. of abrasive grain are also full of the mill of Hydraulic Elements
Damage state can be used for predicting its remaining life and fault diagnosis.
Summary of the invention
According to technical problem set forth above, and provide a kind of plane inductive coil formula hydraulic oil abrasive grain classified Monitoring dress
It sets.The present invention mainly utilizes a kind of plane inductive coil formula hydraulic oil abrasive grain classified Monitoring device characterized by comprising inspection
The detection connection structure that the monitoring device is connected to by-pass line of pipeline two sides and multiple is arranged in test tube road
The hierarchical detection module being set on the detection pipeline；The hierarchical detection module includes: to flow into the inspection along testing liquid
The fine filtering core inductance detection region in the direction in test tube road and the coarse filter element electricity that the direction for detecting pipeline is flowed out along testing liquid
Feel detection zone.
Further, coarse filter element inductance detection region includes: the contraposition setting that the detection pipeline two sides are arranged in
Parallel plane inductive coil one and plane inductive coil two and micron-sized coarse filter element；The coarse filter element is filled up completely institute
State detection pipeline；The fine filtering core inductance detection region include: be arranged in it is described detection pipeline two sides contraposition setting it is parallel
Plane inductive coil three and plane inductive coil four and micron-sized fine filtering core；The fine filtering core is filled up completely the detection
Pipeline.
Further, the detection pipeline is nonmetallic materials.
Further, the coarse filter element/fine filtering core filling axial length is less than the radial direction length of plane inductive coil
Degree, the fiber thickness of filling are 0.1-3 centimetres.
Further, the plane inductive coil one of enameled wire coiling/two/planar inductor of the plane inductive coil
Three/plane inductive coil of coil, four internal coil diameter is 0.05-1 centimetres, and enameled wire line footpath is 50-2000 microns, the number of turns 100-
10000 circles.
Compared with the prior art, the invention has the following advantages that
The present invention is effectively ground the metal in hydraulic oil by way of different meshes filter core is added in detection pipeline
Grain is adsorbed on filter core, this not only contributes to realize the detection to metal worn particle, while can be effectively by various sizes of abrasive grain
It is separated from hydraulic oil, and the content of different size range metal worn particles can be obtained, the abrasive grain reduced in hydraulic oil contains
Amount.And two opposed plane inductive coils in parallel designed by the present apparatus have higher detection sensitivity.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of plane inductive coil formula hydraulic oil abrasive grain classified Monitoring device of the present invention.
Fig. 2 is coarse filter element inductance detection area schematic of the present invention.
Fig. 3 is fine filtering core inductance detection area schematic of the present invention.
In figure: 1, plane inductive coil one；2, plane inductive coil two；3, coarse filter element；4, plane inductive coil three；5, it puts down
Face inductance coil four；6, fie screen；7, pipeline is detected；8, connection structure.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
As shown in Figs. 1-2, the present invention provides a kind of plane inductive coil formula hydraulic oil abrasive grain classified Monitoring device, packets
It includes: detection pipeline 7, the connection structure 8 that the monitoring device is connected to by-pass line that detection 7 two sides of pipeline are set
And multiple hierarchical detection modules being set on the detection pipeline 7；The hierarchical detection module includes: along testing liquid stream
Enter the fine filtering core inductance detection region in the direction of the detection pipeline 7 and flows out the direction of the detection pipeline 7 along testing liquid
Coarse filter element inductance detection region.As a preferred embodiment, the hierarchical detection module can also be arranged it is multiple not
The core region of same level, it can be understood as in other embodiments, as long as by the core region of multiple settings according to filter
Core from as low as big sequence (mesh number is bigger, and the aperture of the mesh of filter core is smaller), along the direction of liquid to be detected flow ipe according to
Secondary setting.
In the present embodiment, coarse filter element inductance detection region includes: pair that detection 7 two sides of pipeline are arranged in
The parallel plane inductive coil 1 and plane inductive coil 22 and micron-sized coarse filter element 3 of position setting；The coarse filter element 3
It is filled up completely the detection pipeline 7；The fine filtering core inductance detection region includes: pair that detection 7 two sides of pipeline are arranged in
The parallel plane inductive coil 34 and plane inductive coil 45 and micron-sized fine filtering core 6 of position setting；The fine filtering core 6
It is filled up completely the detection pipeline 7.
As a kind of embodiment of the application, the detection pipeline 7 is nonmetallic materials.It detects here in this application
Pipeline is transparent plastic, it can be understood as in other embodiments, the detection pipeline can also be nonmetallic for glass etc.
Material.
In the present embodiment, the coarse filter element/fine filtering core filling axial length is less than plane inductive coil
Radical length, the fiber thickness of filling are 0.1-3 centimetres.It can be understood as specific filling thickness in other embodiments
It can be determined according to actually detected quantity, it can be by the particulate filter of the size as long as can satisfy.As preferred
Embodiment, the filter core is by for micron order fiber (such as low-carbon steel fibre).
As the application preferred embodiment, designed detection device can be connected to the by-pass line of hydraulic system,
Abrasive grain in hydraulic oil is detected.The pipe ends of detection device are provided with attachment device, to ensure that detection device can connect
It is connected to the by-pass line of hydraulic system.In detection pipeline, settable multiple inductance detection regions, each inductance detection region
The mesh number of filter core is different, the direction flowed through according to oil liquid, and sequence arrangement of the filter core by mesh number from small to large is realized to difference
The hierarchical detection of the metal worn particle of size range.
When the metal worn particle in hydraulic oil is when flowing through inductance detection region, meeting be captured by filter core, be attached on filter core.It is heavy
Metallic particles of the product on filter core can cause the variation of the inductance parameters of plane inductive coil, to realize the detection of abrasive grain.No
The size range of the metal worn particle filtered with mesh number filter core is also different, can determine detected metal worn particle according to the mesh number of filter core
Size range.
As a preferred embodiment, the planar inductor line of the plane inductive coil 1 of enameled wire coiling
Enclosing 2 2/ plane inductive coil, 3 4/ plane inductive coil, 45 internal coil diameter is 0.05-1 centimetres, and enameled wire line footpath is 50-2000
Micron, the number of turns are 100-10000 circle.
As a preferred embodiment, plane inductive coil described herein can pass through conducting wire and excitation-inspection
Unit connection is surveyed, excitation-detection unit can be to plane inductive coil with current excitation, and can obtain the equivalent electricity of inductance coil
Sense.When motivating detection unit to plane inductive coil to motivate, electromagnetic field can be generated between two opposed plane inductive coils,
And the metal worn particle in filter core can change the inductance value of plane inductive coil, the size of inductance value variation then represents corresponding size
The content of the metallic particles of range.And then calculating of the realization to number of particles.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (4)
1. a kind of plane inductive coil formula hydraulic oil abrasive grain classified Monitoring device characterized by comprising
Pipeline (7), setting are detected in the connection that the monitoring device is connected to by-pass line for detecting pipeline (7) two sides
Structure (8) and multiple hierarchical detection modules being set on detection pipeline (7)；The hierarchical detection module includes: edge
Testing liquid flows into the fine filtering core inductance detection region in the direction of detection pipeline (7) and flows out the detection along testing liquid
The coarse filter element inductance detection region in the direction of pipeline (7)；
Coarse filter element inductance detection region includes: that the parallel of contraposition setting being arranged in described detection pipeline (7) two sides is put down
Face inductance coil one (1) and plane inductive coil two (2) and micron-sized coarse filter element (3)；The coarse filter element (3) is filled up completely
The detection pipeline (7)；The fine filtering core inductance detection region includes: that contraposition of the setting in described detection pipeline (7) two sides is set
The parallel plane inductive coil three (4) and plane inductive coil four (5) and micron-sized fine filtering core (6) set；The fine filtering
Core (6) is filled up completely the detection pipeline (7).
2. plane inductive coil formula hydraulic oil abrasive grain classified Monitoring device according to claim 1, it is further characterized in that: institute
Stating detection pipeline (7) is nonmetallic materials.
3. plane inductive coil formula hydraulic oil abrasive grain classified Monitoring device according to claim 1, it is further characterized in that: institute
It states coarse filter element/fine filtering core filling axial length and is less than the radical length of plane inductive coil, the fiber thickness of filling is
0.1-3 centimetres.
4. plane inductive coil formula hydraulic oil abrasive grain classified Monitoring device according to claim 1, it is further characterized in that: paint
The plane inductive coil one (1) of the envelope curve coiling/plane inductive coil two (2)/plane inductive coil three (4)/plane
Inductance coil four (5) internal coil diameter is 0.05-1 centimetres, and enameled wire line footpath is 50-2000 microns, and the number of turns is 100-10000 circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910695364.9A CN110243735A (en) | 2019-07-30 | 2019-07-30 | A kind of plane inductive coil formula hydraulic oil abrasive grain classified Monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910695364.9A CN110243735A (en) | 2019-07-30 | 2019-07-30 | A kind of plane inductive coil formula hydraulic oil abrasive grain classified Monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN110243735A true CN110243735A (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910695364.9A Pending CN110243735A (en) | 2019-07-30 | 2019-07-30 | A kind of plane inductive coil formula hydraulic oil abrasive grain classified Monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113031084A (en) * | 2021-03-10 | 2021-06-25 | 宁波工程学院 | Detection device for detecting metal particles in fluid |
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|---|---|---|---|---|
| CN202101968U (en) * | 2011-05-27 | 2012-01-04 | 张洪朋 | Plane inductance type abraded particle monitoring device and measuring unit thereof |
| CN107589051A (en) * | 2017-10-13 | 2018-01-16 | 桂林电子科技大学 | Oil liquid abrasive grain monitors sensor |
| CN108871910A (en) * | 2018-09-13 | 2018-11-23 | 大连海事大学 | Microparticle separator and method in a kind of lubricating oil for inductance detection method |
| CN109916786A (en) * | 2019-03-29 | 2019-06-21 | 大连海事大学 | A kind of twin coil inductance type abrasive grain monitoring device and preparation method thereof |
-
2019
- 2019-07-30 CN CN201910695364.9A patent/CN110243735A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202101968U (en) * | 2011-05-27 | 2012-01-04 | 张洪朋 | Plane inductance type abraded particle monitoring device and measuring unit thereof |
| CN107589051A (en) * | 2017-10-13 | 2018-01-16 | 桂林电子科技大学 | Oil liquid abrasive grain monitors sensor |
| CN108871910A (en) * | 2018-09-13 | 2018-11-23 | 大连海事大学 | Microparticle separator and method in a kind of lubricating oil for inductance detection method |
| CN109916786A (en) * | 2019-03-29 | 2019-06-21 | 大连海事大学 | A kind of twin coil inductance type abrasive grain monitoring device and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113031084A (en) * | 2021-03-10 | 2021-06-25 | 宁波工程学院 | Detection device for detecting metal particles in fluid |
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Application publication date: 20190917 |