CN208953411U - A kind of multi-functional mechanical equipment lubrication oil metal worn particle detector - Google Patents

A kind of multi-functional mechanical equipment lubrication oil metal worn particle detector Download PDF

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Publication number
CN208953411U
CN208953411U CN201920344399.3U CN201920344399U CN208953411U CN 208953411 U CN208953411 U CN 208953411U CN 201920344399 U CN201920344399 U CN 201920344399U CN 208953411 U CN208953411 U CN 208953411U
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circuit
coil
detection
control circuit
mcu controller
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郭玉西
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Xi'an Zhengtian Kechuang Measurement And Control Technology Co Ltd
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Xi'an Zhengtian Kechuang Measurement And Control Technology Co Ltd
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Abstract

The utility model discloses a kind of multi-functional mechanical equipment lubrication oil metal worn particle detectors, belong to mechanical fault detection technical field, including detection coil, control circuit one, control circuit two, outside moisture detection sensor and external sort detection sensor, the detection coil is connect with control circuit one, the control circuit one and control circuit two connect, and the outside moisture detection sensor and external sort detection sensor are connect with control circuit two.The utility model can detect mechanical equipment real-time synchronization, trend prediction is made to lubrication oil and equipment wearing and failure, and utilize the synchronism of detection data, associated judgement is carried out, the defect that traditional laboratory off-line analysis method is at high cost, complicated for operation and measurement sample point is few is overcome.

Description

A kind of multi-functional mechanical equipment lubrication oil metal worn particle detector
Technical field
The utility model relates to mechanical fault detection technical fields, more particularly, to a kind of multi-functional mechanical equipment lubrication oil Metal worn particle detector.
Background technique
In motive power machine equipment, due to lubricating oil moisture and quality variation and equipment friction pair between phase mutual friction, Metallic particles is generated in lubricating oil, friction and wear is the main original for influencing motive power machine equipment functional reliability and service life Cause.Currently, to there are two types of the detection modes of lubricating oil, i.e. off-line type and online.But off-line type detection has the following disadvantages it Place:
1. detection cycle is long, need manually periodically to draw oil sample;
2. testing cost is high, detection data lag is unable to satisfy the requirement of timeliness.
In view of the above-mentioned problems, it is urgent to provide a kind of multi-functional mechanical equipment lubrication oil metal worn particle detectors with real-time synchronization Detection is made trend prediction to lubrication oil and equipment wearing and failure, and using the synchronism of detection data, is carried out Associated judgement overcomes the defect that traditional laboratory off-line analysis method is at high cost, complicated for operation and measurement sample point is few.
Utility model content
The purpose of this utility model is to provide a kind of multi-functional mechanical equipment lubrication oil metal worn particle detectors, to solve Off-line analysis method technology at high cost, complicated for operation, measurement sample point is few in laboratory when lubricating oil detects in the prior art Problem.
The utility model provides a kind of multi-functional mechanical equipment lubrication oil metal worn particle detector, including detection coil, control Circuit one, control circuit two, outside moisture detection sensor and external sort detection sensor processed, the detection coil and control Circuit one connects, and the control circuit one and control circuit two connect, the outside moisture detection sensor and external sort inspection Sensor is surveyed to connect with control circuit two.
Further, the detection coil includes oil circuit, coil one, coil two, coil three, coil four, shading ring one, shielding Ring two, sheath, binding post, two housings and two fillers, two fillers are respectively sleeved at the both ends of oil circuit, described Binding post is mounted on the middle part of oil circuit, and the coil one, coil two, coil three and coil four are sequentially sleeved at the outside of oil circuit, The shading ring one is set in the outside of coil three and coil four, and the shading ring two is set in the outer of coil one and coil two Portion, two housings are respectively sleeved at the outside of shading ring one and shading ring two, and the sheath is set in the outside of two housings, institute It states coil one, coil two, coil three and coil four and constitutes electric bridge.
Further, the control circuit one includes excited oscillation circuit, iron element/non-ferric element detection circuit, signal condition, A/ D conversion, MCU controller one, telecommunication circuit, status display circuit, digital calibration circuit and power circuit one, the excited oscillation Circuit and iron element/non-ferric element detection circuit are connect with detection coil, the iron element/non-ferric element detection circuit, signal condition, A/ D conversion, MCU controller one and telecommunication circuit are sequentially connected, the excited oscillation circuit, iron element/non-ferric element detection circuit and MCU Controller one is connect with digital calibration circuit, and the MCU controller one is connect with status display circuit, and the electric bridge is by motivating Oscillating circuit excitation.
Further, the control circuit two include RS232 telecommunication circuit one, RS232 telecommunication circuit two, CAN communication circuit, MCU controller two, RS485 telecommunication circuit and power circuit two, the RS232 telecommunication circuit one, RS232 telecommunication circuit two, CAN Telecommunication circuit, RS485 telecommunication circuit and power circuit two are connect with MCU controller two, the telecommunication circuit and MCU controller It is connected between two by RS232 telecommunication circuit one.
Further, the outside moisture detection sensor is connect by RS232 telecommunication circuit two with MCU controller two, institute External sort detection sensor is stated to connect by CAN communication circuit with MCU controller two.
Compared with prior art, the utility model has the beneficial effects that:
The utility model is based on electromagnetic induction principle, and coil one, coil two, coil three, the composition detection electric bridge of coil four are right Micron order difference size iron element/non-ferric crude granule real-time detection in oil liquid;Detect the MCU controller that signal passes through control circuit one One processing, makes online oil liquid metallic particles detector have detection sensitivity height, fast response time, testing cost low;With this Meanwhile control circuit two can effectively integrate abrasive grain data, outside moisture detection sensor data and external sort detection and pass Sensor data, and synchronous acquisition and output;The utility model can carry out Wear Condition of Machinery and fault diagnosis real-time Detection, analysis and alarm.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic block diagram of the utility model;
Fig. 2 is the detection coil structural schematic diagram of the utility model.
Appended drawing reference:
Detection coil 1, sheath 21, shading ring 1, housing 23, shading ring 2 24, oil circuit 25, filler 27, coil one 28, coil 2 29, coil 3 31, coil 4 32, binding post 30, control circuit 1, excited oscillation circuit 2, digital calibration electricity Road 3, status display circuit 4, power circuit 1, telecommunication circuit 6, MCU controller 1, A/D conversion 8, signal condition 9, iron element/ Non-ferric element detection circuit 10, control circuit 2 20, outside moisture detection sensor 12, external sort detection sensor 13, RS232 Telecommunication circuit 2 14, MCU controller 2 15, RS232 telecommunication circuit 1, RS485 telecommunication circuit 17, power circuit 2 18, CAN Telecommunication circuit 19.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.
The component of the utility model embodiment for usually describing and showing in attached drawing here can be with a variety of different Configuration is to arrange and design.It therefore, is not below purport to the detailed description of the embodiments of the present invention provided in the accompanying drawings In the range of limitation claimed invention, but it is merely representative of the selected embodiment of the utility model.
Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
Below with reference to shown in Fig. 1 and Fig. 2, the utility model embodiment provides a kind of multi-functional mechanical equipment lubrication oil gold Belong to wear particle detection device, including detection coil 1, control circuit 1, control circuit 2 20, outside moisture detection sensor 12 and outer Component quality detection sensor 13, the detection coil 1 are connect with control circuit 1, the control circuit 1 and control circuit 2 20 connections, the outside moisture detection sensor 12 and external sort detection sensor 13 are connect with control circuit 2 20; By detection coil 1 to micron order difference size iron element/non-ferric crude granule real-time detection, outside moisture detection sensor in oil liquid 12 and external sort detection sensor 13 to equipment simultaneously detect, pass through control circuit 1 and 2 20 pairs of control circuit inspection The data of survey carry out confluence analysis, Wear Condition of Machinery and fault diagnosis are measured in real time, analyze and be alarmed, In, YS-1 moisture transducer of the outside moisture detection sensor 12 using positive day observing and controlling, the use of external sort detection sensor 13 The ZTY-N quality sensor of positive day observing and controlling.
Specifically, the detection coil 1 includes oil circuit 25, coil 1, coil 2 29, coil 3 31, coil 4 32, screen Cover ring 1, shading ring 2 24, sheath 21,30, two housings 23 of binding post and two fillers 27, two fillers 27 Be respectively sleeved at the both ends of oil circuit 25, the binding post 30 is mounted on the middle part of oil circuit 25, the coil 1, coil 2 29, Coil 3 31 and coil 4 32 are sequentially sleeved at the outside of oil circuit 25, and the shading ring 1 is set in coil 3 31 and coil four 32 outside, the shading ring 2 24 are set in the outside of coil 1 and coil 2 29, and two housings 23 are respectively sleeved at screen The outside of ring 1 and shading ring 2 24 is covered, the sheath 21 is set in the outside of two housings 23, the coil 1, coil 2 29, coil 3 31 and coil 4 32 constitute electric bridge;Detection for metallic particles, embodiment are as follows: with wiring on oil circuit 25 Column 30 is symmetric points, according to a fixed spacing deployment line circle 1, coil 2 29, coil 3 31 and coil 4 32 and connects and composes electricity Bridge adds on coil 1, coil 2 29, coil 3 31 and coil 4 32 and sets the shading ring one 22 and shading ring isometric with it 2 24, it is with the housing 23 of 1/2 oil circuit, 25 length and with binding post 30 outside shading ring 1 and shading ring 2 24 for symmetry axis Socket, housing 23 are with the sheath 21 of 1/2 oil circuit, 25 length outside and are that symmetry axis is socketed on housing 23 with binding post 30.Housing 23, the ring cross-section that shading ring 1 and shading ring 2 24 are formed with 25 outer wall of oil circuit is sealed by filler 27 fastens, detection Coil 1 is connect by binding post 30 with control circuit 1.
Specifically, the control circuit 1 includes excited oscillation circuit 2, iron element/non-ferric element detection circuit 10, signal tune Reason 9, A/D conversion 8, MCU controller 1, telecommunication circuit 6, status display circuit 4, digital calibration circuit 3 and power circuit 1, The excited oscillation circuit 2 and iron element/non-ferric element detection circuit 10 are connect with detection coil 1, the iron element/non-ferric element detection Circuit 10, signal condition 9, A/D conversion 8, MCU controller 1 and telecommunication circuit 6 are sequentially connected, the excited oscillation circuit 2, Iron element/non-ferric element detection circuit 10 and MCU controller 1 are connect with digital calibration circuit 3, the MCU controller 1 and shape State display circuit 4 connects, and the electric bridge is motivated by excited oscillation circuit 2;Detection for metallic particles, detection coil 1 are swashing Under the excitation for encouraging oscillating circuit 2, put down by MCU controller 1 by the electric bridge that digital calibration circuit 3 guarantees that detection coil 1 is constituted Weighing apparatus causes the magnetic flux of detection coil 1 to change, to lead when iron element metallic particles passes through the oil circuit 25 of detection coil 1 It causes the induced electromotive force amplitude generated to change, particle size is distinguished according to the size of induced electromotive force and counts, work as non-ferric When crude granule passes through detection coil 1, magnetic flux is caused to change, phase and the iron crude granule of induced electromotive force generate electronic Opposite change occurs for gesture, according to the sizes of the different difference non-ferric crude granules of phase change and counting, iron element/non-ferric element inspection Slowdown monitoring circuit 10 completes the detection of particle signal amplitude and phase, then by signal condition 9, amplifies, filters to detection signal Wave processing, then metallic particles digital signal is formed as by A/D conversion 8, MCU controller 1 acquires metallic particles digital signal, and It is sent out by telecommunication circuit 6, while passing through 4 real-time display detector state of status display circuit;Wherein, mcu controller One 7 use the ATmeag128-16AU of Wei Xin company.
Specifically, the control circuit 2 20 is logical including RS232 telecommunication circuit 1, RS232 telecommunication circuit 2 14, CAN Letter circuit 19, MCU controller 2 15, RS485 telecommunication circuit 17 and power circuit 2 18, the RS232 telecommunication circuit 1, RS232 telecommunication circuit 2 14, CAN communication circuit 19, RS485 telecommunication circuit 17 and power circuit 2 18 with MCU controller two 15 connections, are connected between the telecommunication circuit 6 and MCU controller 2 15 by RS232 telecommunication circuit 1;Wherein, mcu is controlled Using the ATmeag128-16AU of Wei Xin company, RS232 telecommunication circuit 1 and RS232 telecommunication circuit 2 14 are all made of device 2 15 The max232 chip of Maxim, MC33901CAN transceiver of the CAN communication circuit 19 using the Pu En Zhi company, RS485 communication Circuit 17 uses the max485 chip of Maxim.
Specifically, the outside moisture detection sensor 12 is connected by RS232 telecommunication circuit 2 14 and MCU controller 2 15 It connects, the external sort detection sensor 13 is connect by CAN communication circuit 19 with MCU controller 2 15.
It is real that following progress is then passed through for the synchronous data sampling of metallic particles testing result and outside moisture and quality Apply: control circuit 2 20 will test using RS232 telecommunication circuit 1, RS232 telecommunication circuit 2 14 and CAN communication circuit 19 Metallic particles information, outside moisture detection sensor 12 and external sort detection sensor 13 be sent to MCU controller 2 15 Synchronize acquisition, after 2 15 pairs of data of MCU controller are acquired and are handled, by RS485 telecommunication circuit 17 externally output abrasive grain, Moisture and quality in on-line checking data, wherein outside moisture detection sensor 12 and external sort detection sensor 13 make It is wired to RS232 telecommunication circuit 2 14 and CAN communication circuit 19, the telecommunication circuit 6 in control circuit 1 then uses Binding post 30 is connected to the RS232 telecommunication circuit 6 in control circuit 2 20.Finally, the power circuit two in control circuit 2 20 18 provide electric power to MCU controller 2 15.
The working principle of metallic particles detection are as follows: coil 1, coil 2 29, coil 3 31 and the coil of detection coil 1 4 32 connect into electric bridge, and the simple alternating current excitation of fixed frequency, amplitude and phase, the output of electric bridge is added at the excitation end of electric bridge For one and the same frequency of pumping signal, tune is realized with the carrier signal of mechanical periodicity and the signal of detection signal multiplication in size, direction System causes the magnetic flux of detection coil 1 to change, leads when iron element/non-ferric crude granule in oil liquid passes through detection coil 1 1 inductance of detection coil is caused to change, the variable quantity of inductance is related with iron crude granule relative permeability, the diameter of particle, when Iron crude granule increases 1 inductance of detection coil by increasing the magnetic flux of detection coil 1 when detection coil 1;Non-ferric crude granule By reducing the magnetic flux of detection coil 1 when detection coil 1, the inductance of detection coil 1 is reduced, therefore 1 inductance of detection coil Variable quantity reflect the material, size and number of containing metal particle in oil liquid, the modulated signal of electric bridge output is plain/non-by iron Phase discriminator and 9 circuit of signal condition in iron element detection circuit 10 and A/D convert 8 circuits, the amplitude of testing number signal and Phase judges the size of iron crude granule according to output signal amplitude, and the property of particle is judged according to the phase of signal.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (5)

1. a kind of multi-functional mechanical equipment lubrication oil metal worn particle detector, it is characterised in that: including detection coil (1), control Circuit one (11), control circuit two (20), outside moisture detection sensor (12) and external sort detection sensor (13), it is described Detection coil (1) is connect with control circuit one (11), the control circuit one (11) and control circuit two (20) connection, described outer Portion's water content detection sensor (12) and external sort detection sensor (13) are connect with control circuit two (20).
2. a kind of multi-functional mechanical equipment lubrication oil metal worn particle detector according to claim 1, it is characterised in that: institute Stating detection coil (1) includes oil circuit (25), coil one (28), coil two (29), coil three (31), coil four (32), shading ring One (22), shading ring two (24), sheath (21), binding post (30), two housings (23) and two fillers (27), described in two Filler (27) is respectively sleeved at the both ends of oil circuit (25), and the binding post (30) is mounted on the middle part of oil circuit (25), the line One (28) of circle, coil two (29), coil three (31) and coil four (32) are sequentially sleeved at the outside of oil circuit (25), the shading ring One (22) are set in the outside of coil three (31) and coil four (32), and the shading ring two (24) is set in coil one (28) and line The outside of two (29) is enclosed, two housings (23) are respectively sleeved at the outside of shading ring one (22) and shading ring two (24), the shield Set (21) is set in the outside of two housings (23), the coil one (28), coil two (29), coil three (31) and coil four (32) electric bridge is constituted.
3. a kind of multi-functional mechanical equipment lubrication oil metal worn particle detector according to claim 2, it is characterised in that: institute Stating control circuit one (11) includes excited oscillation circuit (2), iron element/non-ferric element detection circuit (10), signal condition (9), A/D turns Change (8), MCU controller one (7), telecommunication circuit (6), status display circuit (4), digital calibration circuit (3) and power circuit one (5), excited oscillation circuit (2) He Tiesu/non-ferric element detection circuit (10) is connect with detection coil (1), and the iron element/ Non-ferric element detection circuit (10), signal condition (9), A/D conversion (8), MCU controller one (7) and telecommunication circuit (6) successively connect It connects, the excited oscillation circuit (2), iron element/non-ferric element detection circuit (10) and MCU controller one (7) are electric with digital calibration Road (3) connection, the MCU controller one (7) connect with status display circuit (4), and the electric bridge is swashed by excited oscillation circuit (2) It encourages.
4. a kind of multi-functional mechanical equipment lubrication oil metal worn particle detector according to claim 3, it is characterised in that: institute State control circuit two (20) include RS232 telecommunication circuit one (16), RS232 telecommunication circuit two (14), CAN communication circuit (19), MCU controller two (15), RS485 telecommunication circuit (17) and power circuit two (18), the RS232 telecommunication circuit one (16), RS232 telecommunication circuit two (14), CAN communication circuit (19), RS485 telecommunication circuit (17) and power circuit two (18) are and MCU Controller two (15) connection, passes through RS232 telecommunication circuit one (16) between the telecommunication circuit (6) and MCU controller two (15) Connection.
5. a kind of multi-functional mechanical equipment lubrication oil metal worn particle detector according to claim 4, it is characterised in that: institute It states outside moisture detection sensor (12) to connect by RS232 telecommunication circuit two (14) with MCU controller two (15), the outside Quality Detection sensor (13) is connect by CAN communication circuit (19) with MCU controller two (15).
CN201920344399.3U 2019-03-18 2019-03-18 A kind of multi-functional mechanical equipment lubrication oil metal worn particle detector Active CN208953411U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110470822A (en) * 2019-08-21 2019-11-19 岭澳核电有限公司 A kind of nuclear power station equipment wearing monitoring system and method
CN112504921A (en) * 2020-12-24 2021-03-16 爱德森(厦门)电子有限公司 Phase amplitude analysis method for electromagnetically detecting oil abrasive particles and detection device thereof
WO2021237375A1 (en) * 2020-05-28 2021-12-02 浙江中欣动力测控技术有限公司 Double-coil group online monitoring system for lubricating oil dust
CN115655998A (en) * 2022-11-21 2023-01-31 昆山书豪仪器科技有限公司 Abrasive particle detection method, device, equipment, medium and product

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110470822A (en) * 2019-08-21 2019-11-19 岭澳核电有限公司 A kind of nuclear power station equipment wearing monitoring system and method
WO2021237375A1 (en) * 2020-05-28 2021-12-02 浙江中欣动力测控技术有限公司 Double-coil group online monitoring system for lubricating oil dust
CN112504921A (en) * 2020-12-24 2021-03-16 爱德森(厦门)电子有限公司 Phase amplitude analysis method for electromagnetically detecting oil abrasive particles and detection device thereof
CN115655998A (en) * 2022-11-21 2023-01-31 昆山书豪仪器科技有限公司 Abrasive particle detection method, device, equipment, medium and product

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