CN102323190A - Planar inductive wear particle monitoring device and measuring unit thereof - Google Patents
Planar inductive wear particle monitoring device and measuring unit thereof Download PDFInfo
- Publication number
- CN102323190A CN102323190A CN201110140931A CN201110140931A CN102323190A CN 102323190 A CN102323190 A CN 102323190A CN 201110140931 A CN201110140931 A CN 201110140931A CN 201110140931 A CN201110140931 A CN 201110140931A CN 102323190 A CN102323190 A CN 102323190A
- Authority
- CN
- China
- Prior art keywords
- planar inductor
- monitoring device
- wear particle
- measuring unit
- cavity
- Prior art date
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a planar inductive wear particle monitoring device and a measuring unit thereof. The device comprises the measuring unit and an analysis module. The measuring unit comprises a planar inductor and a cavity, wherein taps at both ends of an inductance coil are connected with the analysis module; the cavity is used for liquid to be tested to flow through; and the inductance coil of the planar inductor is used as one part of the inner wall of the cavity. When the planar inductive wear particle monitoring device provided by the invention is applied to monitor wear particles in oil or other liquid to be tested, the cavity is used as a flow passage of the fluid to be tested; and due to the direction contact between the liquid to be tested and the inductance coil of the planar inductor, a theoretical space between the liquid to be tested and the inductance coil of the planar inductor is 0, so that the wear particles in the liquid to be tested can be passed through by more magnetic force lines and an insulated conductor has larger inductance change, and thus, the monitoring sensitivity is greatly improved. The planar inductive wear particle monitoring device and the measuring unit thereof have important significance in monitoring and diagnosing a fault of machine equipment.
Description
Technical field
The invention belongs to the oil liquid monitoring technical field, relate in particular to a kind of planar inductor formula wear particle monitoring device and measuring unit thereof.
Background technology
All kinds of machinery and equipment are in operational process; Will inevitably produce the wear particle that is suspended in the lubricating system fluid; Big wear particle can cause the badly damaged of equipment at short notice; Wear particle is the important information carrier of device interior state of wear, and therefore, the situation of wear particle has significance to the safe and reliable operation and the personal safety of equipment in the grasp fluid promptly and accurately.
For this reason; Prior art provides a kind of planar inductor formula wear particle monitoring device; It is through monitoring the wear particle in the oil product of lubricating oil or other plant equipment; And equipment is played the initiatively effect of preventive maintenance, prevent the inefficacy and the fault of equipment to be widely applied to fields such as engineering and traffic machinery.
The planar inductor formula wear particle monitoring device that prior art provides comprises measuring unit and analysis module.Measuring unit wherein comprises a cavity and the planar inductor that a confession testing liquid flows through again, is provided with a dividing plate between planar inductor and the cavity.When this planar inductor formula wear particle monitoring device of application detected fluid, fluid to be measured flow through cavity.When the wear particle in the fluid to be measured passes through planar inductor; With the inductance value that changes telefault; The ferromagnetism wear particle makes the inductance value of telefault increase; And the nonferromagnetic wear particle makes the inductance value of telefault reduce, and analysis module can carry out qualitative and quantitative detection to the wear particle in the fluid through the detection to the telefault inductance value.
In theory, the thickness of dividing plate is more little or cavity is narrow more, and the wear particle of then flowing through and the distance of telefault are near more, and detection sensitivity is high more.Yet owing to receive the restriction of the manufacturing process and the strength of materials; It is too thin that the thickness of dividing plate can not be made; All the time there is big distance between telefault and the wear particle to be measured, and then makes that the sensitivity of the planar inductor formula wear particle monitoring device that prior art provides is low.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of planar inductor formula wear particle monitoring device; There is thickness in the planar inductor formula wear particle monitoring device that provides with the solution prior art owing to dividing plate; Make and have big distance, the problem that sensitivity is low between telefault and the wear particle to be measured.
The embodiment of the invention is achieved in that a kind of planar inductor formula wear particle monitoring device, and said device comprises measuring unit and analysis module, and said measuring unit comprises:
Planar inductor, the two ends tap of the telefault of said planar inductor connects said analysis module;
The cavity that supplies testing liquid to flow through, the telefault of said planar inductor is as the part of the inwall of said cavity.
In the above-mentioned planar inductor formula wear particle monitoring device, said cavity can be to be processed by the insulation injection molded material.
In the above-mentioned planar inductor formula wear particle monitoring device, said insulation injection molded material can be to gather dimethoxy silane or polymethylmethacrylate.
The present invention also provides a kind of measuring unit of planar inductor formula wear particle monitoring device, and said measuring unit comprises:
Planar inductor, the two ends tap of the telefault of said planar inductor connects said analysis module;
The cavity that supplies testing liquid to flow through, the telefault of said planar inductor is as the part of the inwall of said cavity.
In the above-mentioned measuring unit, said cavity can be to be processed by the insulation injection molded material.
In the above-mentioned measuring unit, said insulation injection molded material can be dimethyl silicone polymer or polymethylmethacrylate.
The present invention also provides a kind of method for making of measuring unit of aforesaid planar inductor formula wear particle monitoring device, said method comprising the steps of:
One planar inductor and a thin axle are fixed in the mould in order;
Inject liquid insulation injection molded material to said mould, and with liquid insulation injection molded material curing molding in the said mould;
Said insulation injection molded material behind said mould and thin axle and the curing molding is separated the part of the cavity that the telefault of said planar inductor forms as said thin axle.
In the above-mentioned method, said insulation injection molded material can be dimethyl silicone polymer or polymethylmethacrylate.
When application planar inductor formula wear particle monitoring device provided by the invention is monitored the wear particle in fluid or other testing liquid; Cavity is as the runner of testing liquid; At this moment, because testing liquid directly contacts with the telefault of planar inductor, theoretical pitch therebetween is 0.Compare with the planar inductor formula wear particle monitoring device that prior art provides; Wear particle in the testing liquid can be passed through by the more magnetic line of force; The inductance value of insulated conductor changes bigger; Thereby greatly improved the sensitivity of monitoring, fault detect and the fault diagnosis of machinery and equipment had great significance.
Description of drawings
Fig. 1 is the schematic diagram of planar inductor formula wear particle monitoring device provided by the invention;
Fig. 2 is the method for making process flow diagram of measuring unit in the planar inductor formula wear particle monitoring device provided by the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 2 shows the principle of planar inductor formula wear particle monitoring device provided by the invention, for the ease of explanation, only shows the part relevant with the present invention.
Planar inductor formula wear particle monitoring device provided by the invention comprises measuring unit and analysis module (not shown), and measuring unit wherein further comprises: planar inductor 11, and the two ends tap of the telefault of planar inductor 12 connects analysis module; The cavity 12 that supplies testing liquid to flow through, the telefault of planar inductor 12 is as the part of the inwall of cavity 12.Testing liquid wherein is preferably lubricating oil.
When application planar inductor formula wear particle monitoring device provided by the invention is monitored the wear particle in fluid or other testing liquid; Cavity 12 is as the runner of testing liquid; At this moment, because testing liquid directly contacts with the telefault of planar inductor 12, theoretical pitch therebetween is 0.Compare with the planar inductor formula wear particle monitoring device that prior art provides; Wear particle in the testing liquid can be passed through by the more magnetic line of force; The inductance value of insulated conductor changes bigger; Thereby greatly improved the sensitivity of monitoring, and can detect micron order wear particle in the testing liquid, the malfunction monitoring and the fault diagnosis of machinery and equipment had significance.
Wherein, cavity 12 can be to be processed by dimethyl silicone polymer (PDMS) or polymethylmethacrylate (PMMA), certainly, can also be to be processed by the insulation injection molded material that has other now; Testing liquid wherein is preferably lubricating oil.
The present invention also provides a kind of measuring unit of aforesaid planar inductor formula wear particle monitoring device.
Fig. 2 shows the method for making flow process of measuring unit in the planar inductor formula wear particle monitoring device provided by the invention.
In step S101, a planar inductor and a thin axle are fixed in the mould in order, the diameter of this thin axle depends on the flow diameter of the testing liquid that is designed.
In step S102, inject liquid insulation injection molded material to this mould, and through modes such as heating, with liquid insulation injection molded material curing molding in the mould.Liquid state insulation injection molded material wherein is preferably dimethyl silicone polymer (PDMS) or polymethylmethacrylate (PMMA).
In step S103, the insulation injection molded material behind mould and thin axle and the curing molding is separated, at this moment, the telefault of planar inductor will be as the part of the inwall of the formed cavity of this thin axle, and this cavity becomes the runner of testing liquid.
Planar inductor wherein both can be a market planar chip inductor commonly used; It also can be homemade film inductor; When this planar inductor is homemade film inductor; The present invention can also may further comprise the steps before step S101: telefault is wound on the microslide by preset figure (as: circular, square etc.) layout, and this microslide that is wound with telefault is promptly as aforesaid planar inductor.
When application planar inductor formula wear particle monitoring device provided by the invention is monitored the wear particle in fluid or other testing liquid; Cavity 12 is as the runner of testing liquid; At this moment, because testing liquid directly contacts with the telefault of planar inductor, theoretical pitch therebetween is 0.Compare with the planar inductor formula wear particle monitoring device that prior art provides; Wear particle in the testing liquid can be passed through by the more magnetic line of force; The inductance value of insulated conductor changes bigger; Thereby greatly improved the sensitivity of monitoring, malfunction monitoring and the fault diagnosis of machinery and equipment had significance.
The above; Be merely the preferable embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any technician who is familiar with the present technique field is equal to replacement or change according to technical scheme of the present invention and inventive concept thereof in the technical scope that the present invention discloses, all should be encompassed within protection scope of the present invention.
Claims (8)
1. a planar inductor formula wear particle monitoring device is characterized in that said device comprises measuring unit and analysis module, and said measuring unit comprises:
Planar inductor, the two ends tap of the telefault of said planar inductor connects said analysis module;
The cavity that supplies testing liquid to flow through, the telefault of said planar inductor is as the part of the inwall of said cavity.
2. planar inductor formula wear particle monitoring device as claimed in claim 1 is characterized in that, said cavity is to be processed by the insulation injection molded material.
3. planar inductor formula wear particle monitoring device as claimed in claim 2 is characterized in that said insulation injection molded material is dimethyl silicone polymer or polymethylmethacrylate.
4. the measuring unit of a planar inductor formula wear particle monitoring device is characterized in that said magnetic test coil comprises:
Planar inductor, the two ends tap of the telefault of said planar inductor connects said analysis module;
The cavity that supplies testing liquid to flow through, the telefault of said planar inductor is as the part of the inwall of said cavity.
5. the measuring unit of planar inductor formula wear particle monitoring device as claimed in claim 4 is characterized in that, said cavity is to be processed by the insulation injection molded material.
6. the measuring unit of planar inductor formula wear particle monitoring device as claimed in claim 5 is characterized in that said insulation injection molded material is dimethyl silicone polymer or polymethylmethacrylate.
7. the method for making like each described planar inductor formula wear particle monitoring Device Testing coil of claim 4 to 6 is characterized in that, said method comprising the steps of:
One planar inductor and a thin axle are fixed in the mould in order;
Inject liquid insulation injection molded material to said mould, and with liquid insulation injection molded material curing molding in the said mould;
Said insulation injection molded material behind said mould and thin axle and the curing molding is separated the part of the cavity that the telefault of said planar inductor forms as said thin axle.
8. the method for making of the measuring unit of planar inductor formula wear particle monitoring device as claimed in claim 7 is characterized in that said insulation injection molded material is dimethyl silicone polymer or polymethylmethacrylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110140931.8A CN102323190B (en) | 2011-05-27 | 2011-05-27 | Planar inductive wear particle monitoring device and measuring unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110140931.8A CN102323190B (en) | 2011-05-27 | 2011-05-27 | Planar inductive wear particle monitoring device and measuring unit thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102323190A true CN102323190A (en) | 2012-01-18 |
| CN102323190B CN102323190B (en) | 2014-06-18 |
Family
ID=45450977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110140931.8A Active CN102323190B (en) | 2011-05-27 | 2011-05-27 | Planar inductive wear particle monitoring device and measuring unit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102323190B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927613A (en) * | 2016-05-12 | 2016-09-07 | 张国云 | Wear particle online monitoring method adopting electric control ring adsorption and adjacent capacitance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2148961Y (en) * | 1993-02-23 | 1993-12-08 | 国家医药管理局天津药物研究院 | Analyzer for powder basic physical properties |
| US6124142A (en) * | 1995-02-14 | 2000-09-26 | Seiko Instruments, Inc. | Method for analyzing minute foreign substance elements |
| CN201066524Y (en) * | 2007-08-28 | 2008-05-28 | 英国阿波罗防火探测器有限责任公司 | A cavity structure for fire photoelectricity inductance smoke detector |
| US20090322461A1 (en) * | 2008-06-30 | 2009-12-31 | Alpha & Omega Semiconductor, Ltd. | Planar grooved power inductor structure and method |
| CN202101968U (en) * | 2011-05-27 | 2012-01-04 | 张洪朋 | Plane inductance type abraded particle monitoring device and measuring unit thereof |
-
2011
- 2011-05-27 CN CN201110140931.8A patent/CN102323190B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2148961Y (en) * | 1993-02-23 | 1993-12-08 | 国家医药管理局天津药物研究院 | Analyzer for powder basic physical properties |
| US6124142A (en) * | 1995-02-14 | 2000-09-26 | Seiko Instruments, Inc. | Method for analyzing minute foreign substance elements |
| CN201066524Y (en) * | 2007-08-28 | 2008-05-28 | 英国阿波罗防火探测器有限责任公司 | A cavity structure for fire photoelectricity inductance smoke detector |
| US20090322461A1 (en) * | 2008-06-30 | 2009-12-31 | Alpha & Omega Semiconductor, Ltd. | Planar grooved power inductor structure and method |
| CN202101968U (en) * | 2011-05-27 | 2012-01-04 | 张洪朋 | Plane inductance type abraded particle monitoring device and measuring unit thereof |
Non-Patent Citations (4)
| Title |
|---|
| LI DU ET AL.: "Real-time monitoring of wear debris in lubrication oil using a microfluidic inductive Coulter counting device", 《MICROFLUID AND NANOFLUID》, vol. 9, no. 6, 31 December 2010 (2010-12-31), pages 1241 - 1245, XP 019859925, DOI: doi:10.1007/s10404-010-0627-y * |
| 刘兵 等: "在线磨损监测技术应用及发展", 《润滑与密封》, no. 7, 31 July 2005 (2005-07-31), pages 187 - 190 * |
| 张艳军 等: "平面磁技术发展概况", 《MACHINE BUILDING & AUTOMATION》, vol. 33, no. 4, 31 August 2004 (2004-08-31) * |
| 范红波 等: "新型磨粒在线监测传感器及其试验研究", 《摩擦学学报》, vol. 30, no. 4, 31 July 2010 (2010-07-31), pages 338 - 343 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927613A (en) * | 2016-05-12 | 2016-09-07 | 张国云 | Wear particle online monitoring method adopting electric control ring adsorption and adjacent capacitance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102323190B (en) | 2014-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102323189B (en) | Inductive wear particle monitoring device and measuring unit thereof | |
| CN109115838B (en) | Multi-parameter oil liquid detection device and manufacturing method thereof | |
| CN102305755B (en) | Radial magnetic field-based online abrasive grain monitoring sensor and monitoring method | |
| CN104697910A (en) | On-line detection sensor for content of ferromagnetic abrasive particles in lubricating oil | |
| CN101699226B (en) | Electromagnetic flowmeter for non-full pipe flow measurement | |
| CN105259494B (en) | The test device and method of battery equalizing circuit | |
| CN106568691A (en) | Oil liquid abrasive particle online monitoring apparatus | |
| CN103878964B (en) | Method For Monitoring A Temperature Control Media Supply | |
| CN103226086B (en) | The online High Temperature High Pressure viscosity rapid measurement device of rock core displacement test | |
| CN103499382A (en) | Vibration data fusion and image recognition-based transformer fault diagnosis method | |
| CN109916785B (en) | Planar inductive abrasive particle monitoring device and manufacturing method thereof | |
| CN105300853A (en) | Series resonance type oil liquid metal particle measurement apparatus and series resonance type oil liquid metal particle measurement method | |
| CN202101968U (en) | Plane inductance type abraded particle monitoring device and measuring unit thereof | |
| Bai et al. | Inductive-capacitive dual-mode oil detection sensor based on magnetic nanoparticle material | |
| CN102323190B (en) | Planar inductive wear particle monitoring device and measuring unit thereof | |
| CN103308126A (en) | Quick detection device for aperture restrictor, and detection method thereof | |
| CN105571995B (en) | A kind of online oil liquid abrasive grain imaging sensor for countering of aircraft engine and manufacturing method | |
| CN202066832U (en) | Electrical inductance type abrasive grain monitoring device and measuring unit thereof | |
| CN104276186B (en) | The monitoring method of a kind of point tongue and the closely connected spacing of base rail | |
| CN108535140B (en) | A kind of magnetorheological fluid response characteristics testing device and its method | |
| Zhang et al. | An LC resonance-based sensor for multi-contaminant detection in oil fluids | |
| SG185891A1 (en) | Monitoring hydrocarbon fluid flow | |
| CN102818920B (en) | Current measuring method and device based on electromagnetic force and through optical fibers | |
| WO2012162869A1 (en) | Inductive wear particle monitoring device and detecting unit thereof | |
| CN102866086A (en) | On-line monitoring sensor of metal particles in flowing oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |