CN202066832U - Electrical inductance type abrasive grain monitoring device and measuring unit thereof - Google Patents
Electrical inductance type abrasive grain monitoring device and measuring unit thereof Download PDFInfo
- Publication number
- CN202066832U CN202066832U CN2011201765267U CN201120176526U CN202066832U CN 202066832 U CN202066832 U CN 202066832U CN 2011201765267 U CN2011201765267 U CN 2011201765267U CN 201120176526 U CN201120176526 U CN 201120176526U CN 202066832 U CN202066832 U CN 202066832U
- Authority
- CN
- China
- Prior art keywords
- cavity
- monitoring device
- measuring unit
- inductance type
- wear particle
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses an electrical inductance type abrasive grain monitoring device and a measuring unit of the electrical inductance type abrasive grain monitoring device. The device comprises a measuring unit and an analysis unit; the measuring unit comprises an insulating conductor and a cavity body, wherein taps at the two ends of the insulating conductor are connected with the analysis unit; the liquid to be measured passes through the cavity body; and the insulating conductor is spirally fixed on the inner wall of the cavity body. When the electrical inductance type abrasive grain monitoring device monitors the abrasive grains, the cavity body serves as a flow channel for the liquid to be measured. The liquid to be measured is directly contacted with the insulating conductor at the theoretical distance equal to zero. Compared with the prior art, the abrasive grains in the liquid to be measured can be passed by more magnetic lines, and the inductance of the insulating conductor is changed greatly, thereby greatly improving the monitoring sensitivity. The device can monitor the abrasive grains with the diameter of 50 microns below in the liquid to be measured, which has important significance to the safe and reliable running of the machine equipment and the personal safety.
Description
Technical field
The utility model belongs to the oil liquid monitoring technical field, relates in particular to a kind of inductance type 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; 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 inductance type wear particle monitoring device, it is by 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, be widely applied to fields such as engineering and traffic machinery.
Show the principle of the inductance type wear particle monitoring device that prior art provides as Fig. 1, it comprises measuring unit and analytic unit.Measuring unit wherein adopts the solenoid mode, specifically is that insulated conductor is wrapped on the insulation tube, and the two ends tap of this insulated conductor connects analytic unit.When this inductance type wear particle monitoring device of application detected fluid, fluid to be measured flow through insulation tube.When the wear particle in the fluid to be measured passes through measuring unit, the inductance value of measuring unit will be changed, the ferromagnetism wear particle makes the inductance value of measuring unit increase, and the nonferromagnetic wear particle makes the inductance value of measuring unit reduce, analytic unit can carry out qualitative and quantitative detection to the wear particle in the fluid by the detection to the measuring unit inductance value.
In theory, the wall thickness of insulation tube runner more little or fluid to be measured is narrow more, and the wear particle of then flowing through and the distance of measuring unit are near more, and detection sensitivity is high more.Yet owing to be subjected to the restriction of tubing intensity and manufacturing process, the wall thickness of insulation tube makes and has big distance between insulation tube and the wear particle to be measured all the time, and then make that the sensitivity of the inductance type wear particle monitoring device that prior art provides is low, be difficult for realizing to the monitoring of diameter at the wear particle below 200 microns.
The utility model content
The purpose of the utility model embodiment is to provide a kind of inductance type wear particle monitoring device, to solve inductance type wear particle monitoring device that prior art provides because the wall thickness of insulation tube in the measuring unit, make and have big distance, the problem that sensitivity is low between insulation tube and the wear particle to be measured.
The utility model embodiment is achieved in that a kind of inductance type wear particle monitoring device, and described device comprises measuring unit and analytic unit, and described measuring unit comprises:
Insulated conductor, the two ends tap of described insulated conductor connects described analytic unit;
For the cavity that testing liquid flows through, described insulated conductor is fixed on the inwall of described cavity with spiral fashion.
In the said apparatus, the inwall of described cavity is provided with the end groove that shape is in the shape of a spiral arranged, and described insulated conductor is fixed in the described groove.
In the said apparatus, described cavity can be the cavity that the insulation injection molded material is made.
Further, in the said apparatus, described cavity can be the cavity that the cavity made of dimethyl silicone polymer or polymethylmethacrylate are made.
The utility model also provides a kind of measuring unit of inductance type wear particle monitoring device, and described measuring unit comprises:
Insulated conductor, the two ends tap of described insulated conductor connects analytic unit;
For the cavity that testing liquid flows through, described insulated conductor is fixed on the inwall of described cavity with spiral fashion.
In the above-mentioned measuring unit, the inwall of described cavity is provided with the end groove that shape is in the shape of a spiral arranged, and described insulated conductor is fixed in the described groove.
In the above-mentioned measuring unit, described cavity can be the cavity that the insulation injection molded material is made.
In the above-mentioned measuring unit, described cavity can be the cavity that the cavity made of dimethyl silicone polymer or polymethylmethacrylate are made.
When the inductance type wear particle monitoring device of using the utility model and providing 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 insulated conductor, theoretical pitch therebetween is 0.Compare with the inductance type 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 in the testing liquid diameter at the wear particle below 50 microns, the safe and reliable operation and the personal safety of machinery and equipment there is significance.
Description of drawings
Fig. 1 is the schematic diagram of the inductance type wear particle monitoring device that provides of prior art;
Fig. 2 is the schematic diagram of the inductance type wear particle monitoring device that provides of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
It is the principle of the inductance type wear particle monitoring device that provides of the utility model that Fig. 2 shows, and for convenience of explanation, only shows the part relevant with the utility model.
The inductance type wear particle monitoring device that the utility model provides comprises measuring unit and analytic unit 13, and measuring unit wherein further comprises: insulated conductor, and the two ends tap of this insulated conductor connects analytic unit 13; For the cavity 12 that testing liquid flows through, insulated conductor is fixed on the inwall of cavity 12 with spiral fashion.Particularly, the inwall of cavity 12 is provided with one section groove 11 that shape is in the shape of a spiral arranged, and insulated conductor is fixed in the groove 11.
When the inductance type wear particle monitoring device of using the utility model and providing 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 insulated conductor, theoretical pitch therebetween is 0.Compare with the inductance type 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 in the testing liquid diameter at the wear particle below 50 microns, the safe and reliable operation and the personal safety of machinery and equipment there is significance.
Wherein, cavity 12 can be to be made by dimethyl silicone polymer (PDMS) or polymethylmethacrylate (PMMA), certainly, can also be to be made by the insulation injection molded material that has other now; Testing liquid wherein is preferably lubricating oil.
The utility model also provides a kind of measuring unit of aforesaid inductance type wear particle monitoring device.
When the inductance type wear particle monitoring device of using the utility model and providing 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 insulated conductor, theoretical pitch therebetween is 0.Compare with the inductance type 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 in the testing liquid diameter at the wear particle below 50 microns, the safe and reliable operation and the personal safety of machinery and equipment there is significance.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, all should be encompassed within the protection domain of the present utility model.
Claims (8)
1. inductance type wear particle monitoring device, described device comprises measuring unit and analytic unit, it is characterized in that, described measuring unit comprises:
Insulated conductor, the two ends tap of described insulated conductor connects described analytic unit;
For the cavity that testing liquid flows through, described insulated conductor is fixed on the inwall of described cavity with spiral fashion.
2. inductance type wear particle monitoring device as claimed in claim 1 is characterized in that, the inwall of described cavity is provided with the end groove that shape is in the shape of a spiral arranged, and described insulated conductor is fixed in the described groove.
3. inductance type wear particle monitoring device as claimed in claim 1 or 2 is characterized in that, described cavity is the cavity that the insulation injection molded material is made.
4. inductance type wear particle monitoring device as claimed in claim 3 is characterized in that, described cavity is the cavity that the cavity made of dimethyl silicone polymer or polymethylmethacrylate are made.
5. the measuring unit of an inductance type wear particle monitoring device is characterized in that, described measuring unit comprises:
Insulated conductor, the two ends tap of described insulated conductor connects analytic unit;
The cavity that flows through for testing liquid, described insulation with the spiral fashion lead fixed on the inwall of described cavity.
6. the measuring unit of inductance type wear particle monitoring device as claimed in claim 5 is characterized in that, the inwall of described cavity is provided with the end groove that shape is in the shape of a spiral arranged, and described insulated conductor is fixed in the described groove.
7. as the measuring unit of claim 5 or 6 described inductance type wear particle monitoring devices, it is characterized in that described cavity is the cavity that the insulation injection molded material is made.
8. the measuring unit of inductance type wear particle monitoring device as claimed in claim 7 is characterized in that, described cavity is the cavity that the cavity made of dimethyl silicone polymer or polymethylmethacrylate are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201765267U CN202066832U (en) | 2011-05-27 | 2011-05-27 | Electrical inductance type abrasive grain monitoring device and measuring unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201765267U CN202066832U (en) | 2011-05-27 | 2011-05-27 | Electrical inductance type abrasive grain monitoring device and measuring unit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202066832U true CN202066832U (en) | 2011-12-07 |
Family
ID=45060692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201765267U Expired - Lifetime CN202066832U (en) | 2011-05-27 | 2011-05-27 | Electrical inductance type abrasive grain monitoring device and measuring unit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202066832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323189A (en) * | 2011-05-27 | 2012-01-18 | 张洪朋 | Inductive wear particle monitoring device and measuring unit thereof |
| CN104390893A (en) * | 2014-11-24 | 2015-03-04 | 电子科技大学 | Oil mill grain sensor based on printed coil |
-
2011
- 2011-05-27 CN CN2011201765267U patent/CN202066832U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323189A (en) * | 2011-05-27 | 2012-01-18 | 张洪朋 | Inductive wear particle monitoring device and measuring unit thereof |
| CN102323189B (en) * | 2011-05-27 | 2014-09-24 | 张洪朋 | Inductive wear particle monitoring device and measuring unit thereof |
| CN104390893A (en) * | 2014-11-24 | 2015-03-04 | 电子科技大学 | Oil mill grain sensor based on printed coil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102323189B (en) | Inductive wear particle monitoring device and measuring unit thereof | |
| CN202837240U (en) | Steel rope flaw detector | |
| CN202066832U (en) | Electrical inductance type abrasive grain monitoring device and measuring unit thereof | |
| CN202119695U (en) | Micro inductive sensor for detecting metal scraps in oil liquid | |
| CN202101825U (en) | Water leakage detection line with twin-twisted structure | |
| 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 | |
| CN202210132U (en) | One point grounding detection device for secondary loop of mutual inductor of transformer substation | |
| CN103574114A (en) | Active and passive bifunctional superpressure relief device and superpressure relief method | |
| CN108535140B (en) | A kind of magnetorheological fluid response characteristics testing device and its method | |
| CN103983666A (en) | Ground wire-free non-conductive coating electric spark detection device and detection method thereof | |
| CN102323190B (en) | Planar inductive wear particle monitoring device and measuring unit thereof | |
| CN202903955U (en) | Built-in ultrahigh frequency partial discharge sensor | |
| CN202583180U (en) | Real-time monitoring device for content of hydrogen in transformer oil | |
| CN202255944U (en) | Detection sampling valve of transformer | |
| CN201637652U (en) | Double-electrode corrosion testing sensor | |
| CN201740710U (en) | Water lubrication bearing wear online monitoring device used for canned motor pump | |
| CN204476784U (en) | A kind of device of monitoring magnetic drive pump bearing abrasion condition | |
| CN201892611U (en) | Water leakage alarming and detecting system of underwater cable | |
| CN201787978U (en) | Measuring pipe of electromagnetic flow meter | |
| CN202148899U (en) | Automatic control fluid flow detection device | |
| CN201880595U (en) | Dual-warning device for cooling system of vertical-ring pulsating high-gradient magnetic separator | |
| CN202815152U (en) | Transformer high-voltage insulation test equipment | |
| CN104848947A (en) | Surface temperature sensor | |
| CN203799753U (en) | Burr online detection apparatus for cable conductor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111207 Effective date of abandoning: 20140924 |
|
| RGAV | Abandon patent right to avoid regrant |