CN103471969A - Method for evaluating performance of sensor for monitoring metal particles in flowing oil liquid on line - Google Patents
Method for evaluating performance of sensor for monitoring metal particles in flowing oil liquid on line Download PDFInfo
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- CN103471969A CN103471969A CN2013104167589A CN201310416758A CN103471969A CN 103471969 A CN103471969 A CN 103471969A CN 2013104167589 A CN2013104167589 A CN 2013104167589A CN 201310416758 A CN201310416758 A CN 201310416758A CN 103471969 A CN103471969 A CN 103471969A
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- line monitoring
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 53
- 239000002923 metal particle Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 title abstract 2
- 239000013528 metallic particle Substances 0.000 claims description 43
- 238000007789 sealing Methods 0.000 claims description 26
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 7
- 238000012854 evaluation process Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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Abstract
The invention discloses a method for evaluating the performance of a sensor for monitoring metal particles in flowing oil liquid on line. The method is characterized by comprising the following steps: a supporting assembly and a sensor installing platform are installed on a base plate, a conveyor belt driving device is arranged on the supporting assembly, the on-line monitoring sensor to be evaluated is fixed on the sensor installing platform, metal particles with the consistent size are fixed on a conveyor belt, the conveyor belt is supported on the conveyor belt driving device and passes through the inner cavity of the on-line monitoring sensor to be evaluated, and the metal particle detection rate of the on-line monitoring sensor is evaluated; the conveyor belt is taken down, the original metal particles are removed, metal particles with different sizes are fixed on the conveyor belt, the conveyor belt is repeatedly installed and operates, finally, the metal particle with the smallest size, detected by the on-line monitoring sensor to be evaluated, is found out, and the performance of the on-line monitoring sensor is evaluated. The method has the advantages that an evaluation result is accurate and reliable, energy sources are saved, and the evaluation cost is reduced.
Description
Technical field
The present invention relates to a kind of appraisal procedure, especially a kind of appraisal procedure of flowing oil metal particle on-line monitoring sensor performance.
Background technology
Flowing oil metal particle on-line monitoring sensor has the function of the particle size that detects the metallic particles number flow through and metallic particles, usually need to detect the recall rate of the metallic particles that flow through and the performance of the minimum grain size that can detect is assessed to the on-line monitoring sensor.
Generally by two oil pipes, an end separately is connected in respectively the two ends of on-line monitoring sensor to existing appraisal procedure, by two oil pipes, another one end separately is connected on respectively input port and the delivery outlet of transfer pump, form circulation oil transportation structure, the fixing metallic particles of the quantity of packing in advance in transfer pump, fluid in transfer pump is by oil pipe and continue to circulate, drive the metallic particles shuttling movement in fluid, finally assess the recall rate to flowed through metallic particles of online monitoring sensor and the performances such as minimum grain size that can detect.Yet the flowing velocity difference of different metallic particles in fluid, each metallic particles is inconsistent in flow through in the overall process number of turns of on-line monitoring sensor of assessment, and the engaged at end place of oil pipe especially in oil pipe, because cross-section of pipeline is long-pending less or exist screw thread etc. to hinder the structure of metallic particles motion, metallic particles may be stuck in the junction, end in oil pipe, therefore finally the on-line monitoring sensor performance is assessed to the result obtained has certain unreliability and randomness, accurate not; In addition, transfer pump need to continue oil transportation, consumes energy larger, has increased assessed cost.
Summary of the invention
Technical matters to be solved by this invention is to provide and a kind ofly assesses that degree of accuracy is high, reliability is strong and the appraisal procedure of the flowing oil metal particle on-line monitoring sensor performance that assessed cost is lower.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of appraisal procedure of flowing oil metal particle on-line monitoring sensor performance comprises the following steps:
1) fixed installation supporting component and an installation of sensors platform on a base plate;
2) conveyor drive arrangement is installed on supporting component, on-line monitoring sensor to be assessed is fixedly installed on the installation of sensors platform;
3) prepare a travelling belt, be fixedly installed the metallic particles that number is fixed and particle size is consistent on this travelling belt;
4) belt support is arranged on to the inner chamber that also passes on-line monitoring sensor to be assessed on conveyor drive arrangement, the head and the tail two ends of travelling belt are connected to form the loop structure of a sealing, open conveyor drive arrangement, drive travelling belt to start to do cycle operation;
5) record the quantity of the metallic particles that in evaluation process, the on-line monitoring sensor is flowed through to the detected average every circle of reality, calculate the ratio of the total amount of the metallic particles on this quantity and travelling belt, the gained ratio is the recall rate of this on-line monitoring sensor;
6) travelling belt is taken off from conveyor drive arrangement, from travelling belt, take the metallic particles that original particle size is consistent away;
7) be fixedly installed the metallic particles of different-grain diameter size on travelling belt, repeatedly install and the cycle operation travelling belt, until find out the minimum grain size of the metallic particles that can detect;
8) to the metallic particles recall rate of this on-line monitoring sensor and can detected metallic particles the performance of minimum grain size assessed.
Described conveyor drive arrangement comprises motor, driving shaft, active wheels and driven wheels, described supporting component comprises main backstop and auxiliary bracing frame, described active wheels are coupling on described main backstop, described driven wheels are arranged on described auxiliary bracing frame, described motor is connected with described active wheels by described driving shaft, described belt support is on described active wheels and described driven wheels, and described active wheels match with described driven wheels and drive described travelling belt cycle operation.
Described driving shaft comprises soft drive shaft and optical axis, one end of described soft drive shaft is connected with the rotating shaft of described motor, the other end of described soft drive shaft is connected with an end of described optical axis by shaft coupling, and the other end of described optical axis is connected with described active wheels.
Described active wheels comprise main drive wheel and advocate bearing up pulley, the other end of described optical axis is connected with described main drive wheel, described main drive wheel and described opinion bearing up pulley all are coupling on described main backstop, and described belt support is on described opinion bearing up pulley and described main drive wheel.
Described driven wheels comprise two end position-limited wheels, at least one is from driving wheel and at least one is from stretching pulley, described belt support is at described end position-limited wheel, described from driving wheel and described from stretching pulley, described auxiliary bracing frame is comprised of many auxiliary erection columns, described end position-limited wheel, described from driving wheel and describedly all be coupling at the top of described auxiliary erection column from stretching pulley, on-line monitoring installation of sensors to be assessed is on described installation of sensors platform, two described end position-limited wheels be positioned at the both sides of on-line monitoring sensor to be assessed and with on-line monitoring sensor to be assessed on the same straight line, describedly from driving wheel, at described opinion bearing up pulley with this, advocate between described end position-limited wheel that bearing up pulley is adjacent, described from stretching pulley described from driving wheel and and this described end position-limited wheel adjacent from driving wheel between.
Described is two from driving wheel, and described is two from stretching pulley, two described both sides that are arranged on described main drive wheel from driving wheel.Be arranged on the main drive wheel both sides strengthened the travelling belt running from driving wheel the time fluency, two increase the supporting dynamics of travelling belt from stretching pulley, have improved the stability of whole evaluation process.
Be provided with tensioning dynamics governor motion on described base plate, described tensioning dynamics governor motion comprises sliding stand and set bolt, described sliding stand has sliding tray, slidably be provided with the slider bar matched with described sliding tray in described sliding tray, be fixedly installed on described slider bar for the bottom that the described described auxiliary erection column from stretching pulley is installed, have the fixed orifice that a plurality of and described set bolt matches on described slider bar, described set bolt is fixed on described slider bar in described sliding tray through described fixed orifice.The convenient adjusting to the belt support dynamics of tensioning dynamics governor motion.
Described travelling belt is the sealing oil pipe, and a described metal fixed tablet sticks in described sealing oil pipe, and described metallic particles is arranged in order along described sealing oil pipe.
The two ends of described sealing oil pipe are provided with the sealing cock body, described sealing cock body is provided with connection chamber between the outermost end of described sealing oil pipe, be provided with the axle that is flexible coupling between two described connection chambers, the end of the described axle that is flexible coupling is stretched in described connection chamber, on the chamber wall of described connection chamber, normal direction is provided with the movable latch for the fixing described axle that is flexible coupling, the two ends of described movable latch are through the chamber wall of described connection chamber, and described movable latch is through the described axle that is flexible coupling.Sliding pin for the axle that fixedly is flexible coupling can be pulled out easily, takes out afterwards and seals more the changing jobs of metallic particles that cock body just can carry out different-grain diameter, easy to operate.
Described base plate is arranged on shaking table, and described shaking table is connected with the shaking table control box by the transmission control line, and vibrated control box of shaking table controlled and driven back plate vibration.Arranging of shaking table can make the environment that on-line monitoring sensor performance evaluation process to be assessed is arranged in to vibration carry out, and simulated the actual working environment when actual vibration environment especially flies, and the assessment result finally drawn is more tallied with the actual situation.
Compared with prior art, the invention has the advantages that conveyor drive arrangement drives the travelling belt cycle rotation, the metallic particles of fixed qty transmits the inner chamber through on-line monitoring sensor to be assessed by the travelling belt fixed cycles, the assessment of the performances such as minimum grain size of carrying out the recall rate of the metallic particles to flowing through and can detect, the assessment result obtained is accurately reliable, and metallic particles is fixed on travelling belt and transmits, only need external electric energy or mechanical energy that power is provided, save the energy, reduced assessed cost.
The accompanying drawing explanation
The perspective view that Fig. 1 is the apparatus for evaluating that uses in embodiment mono-;
The structure enlarged diagram that Fig. 2 is A place in Fig. 1;
The perspective view that Fig. 3 is the apparatus for evaluating that uses in embodiment bis-;
The planar structure schematic diagram that Fig. 4 is the apparatus for evaluating that uses in embodiment bis-.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
Embodiment mono-: as shown in Figure 1, a kind of appraisal procedure of flowing oil metal particle on-line monitoring sensor performance comprises the following steps:
1) on an existing shaking table 11, a base plate 1 is set, shaking table 11 is connected with shaking table control box 13 by transmission control line 12.
2) fixed installation supporting component and installation of sensors platform 2 on base plate, conveyor drive arrangement is installed on supporting component, supporting component comprises main backstop 6 and auxiliary bracing frame, auxiliary bracing frame is comprised of four auxiliary erection columns 74, and on-line monitoring sensor 21 to be assessed is fixedly installed on installation of sensors platform 2.
3) conveyor drive arrangement is installed: conveyor drive arrangement comprises motor 41, driving shaft, active wheels and driven wheels, initiatively wheels comprise a main drive wheel 51 and an opinion bearing up pulley 52, main drive wheel 51 and opinion bearing up pulley 52 all are pivoted on main backstop 6, driving shaft comprises soft drive shaft 42 and optical axis 44, one end of soft drive shaft 42 is connected with the rotating shaft of motor 41, the other end of soft drive shaft 42 is connected with an end of optical axis 44 by shaft coupling 43, the other end of optical axis 44 is connected with main drive wheel 51, driven wheels comprise two end position-limited wheels 71, one from driving wheel 72 and one from stretching pulley 73, end position-limited wheel 71, reach and all be coupling at the top of auxiliary erection column 74 from stretching pulley 73 from driving wheel 72, two end position-limited wheels 71 be positioned at the both sides of on-line monitoring sensor 21 to be assessed and with on-line monitoring sensor 21 to be assessed on the same straight line, advocating bearing up pulley 52 and advocating between end position-limited wheel 71 that bearing up pulley 52 is adjacent with this from driving wheel 72, from stretching pulley 73 from driving wheel 72 and and this end position-limited wheel 71 adjacent from driving wheel 72 between, be provided with tensioning dynamics governor motion on base plate 1, tensioning dynamics governor motion comprises sliding stand 81 and set bolt 82, sliding stand 81 has sliding tray 83, slidably be provided with the slider bar 84 matched with sliding tray 83 in sliding tray 83, be fixedly installed on slider bar 84 for installation from the bottom of the auxiliary erection column 74 of stretching pulley 73, have a plurality of fixed orifices 85 that match with set bolt 82 on slider bar 84, set bolt 82 is fixed on slider bar 84 in sliding tray 83 through fixed orifice 85.
4) be fixedly installed the metallic particles that number is fixed and particle size is consistent (figure does not show) on travelling belt, travelling belt is sealing oil pipe 3, the metallic particles secure attachment is in sealing oil pipe 3, metallic particles is arranged in order along sealing oil pipe 3, the two ends of sealing oil pipe 3 are provided with sealing cock body 31, sealing cock body 31 is provided with connection chamber 32 between the outermost end of sealing oil pipe 3, be provided with the axle 33 that is flexible coupling between two connection chambers 32, the be flexible coupling end of axle 33 is stretched in connection chamber 32, on the chamber wall of connection chamber 32, normal direction is provided with the movable latch 34 for the axle 33 that fixedly is flexible coupling, the two ends of movable latch 34 are through the chamber wall of connection chamber 32, movable latch 34 is through being flexible coupling axle 33.
5) will seal oil pipe 3 supporting be arranged on advocate bearing up pulley 52, main drive wheel 51, end position-limited wheel 71, from driving wheel 72 with from stretching pulley 73, and through the inner chamber of on-line monitoring sensor 21 to be assessed.
6) record the quantity of the metallic particles that in evaluation process, the detected average every circle of 21 pairs of reality of this on-line monitoring sensor to be assessed is flowed through, calculate the ratio of the total amount of the metallic particles on this quantity and travelling belt, the gained ratio is the recall rate of this on-line monitoring sensor 21 to be assessed.
7) will seal oil pipe 3 and take off from conveyor drive arrangement, from sealing oil pipe 3, take the metallic particles that original particle size is consistent away.
8) be fixedly installed the metallic particles of different-grain diameter size on sealing oil pipe 3, repeatedly install and cycle operation sealing oil pipe 3, until find out the minimum grain size of the metallic particles that can detect.
9) to this metallic particles recall rate of on-line monitoring sensor 21 to be assessed and can detected metallic particles the performance of minimum grain size assessed.
Embodiment bis-: as shown in Figure 3 and Figure 4, remainder is identical with embodiment mono-, its difference is to advocate that bearing up pulley 52 is two, main drive wheel 51 is advocated between bearing up pulley 52 at two, from driving wheel 72, it is two, from stretching pulley 73, it is two, auxiliary bracing frame is comprised of the auxiliary erection column 74 of the six roots of sensation, two both sides that are arranged on main drive wheel 51 from driving wheel 72, from driving wheel 72 at adjacent end position-limited wheel 71 and advocate between bearing up pulley 52, from stretching pulley 73 from driving wheel 72 and and this end position-limited wheel 71 adjacent from driving wheel 72 between.
Claims (10)
1. the appraisal procedure of a flowing oil metal particle on-line monitoring sensor performance is characterized in that comprising the following steps:
1) fixed installation supporting component and an installation of sensors platform on a base plate;
2) conveyor drive arrangement is installed on supporting component, on-line monitoring sensor to be assessed is fixedly installed on the installation of sensors platform;
3) prepare a travelling belt, be fixedly installed the metallic particles that number is fixed and particle size is consistent on this travelling belt;
4) belt support is arranged on to the inner chamber that also passes on-line monitoring sensor to be assessed on conveyor drive arrangement, the head and the tail two ends of travelling belt are connected to form the loop structure of a sealing, open conveyor drive arrangement, drive travelling belt to start to do cycle operation;
5) record the quantity of the metallic particles that in evaluation process, the on-line monitoring sensor is flowed through to the detected average every circle of reality, calculate the ratio of the total amount of the metallic particles on this quantity and travelling belt, the gained ratio is the recall rate of this on-line monitoring sensor;
6) travelling belt is taken off from conveyor drive arrangement, from travelling belt, take the metallic particles that original particle size is consistent away;
7) be fixedly installed the metallic particles of different-grain diameter size on travelling belt, repeatedly install and the cycle operation travelling belt, until find out the minimum grain size of the metallic particles that can detect;
8) to the metallic particles recall rate of this on-line monitoring sensor and can detected metallic particles the performance of minimum grain size assessed.
2. the appraisal procedure of a kind of flowing oil metal particle on-line monitoring sensor performance according to claim 1, it is characterized in that described conveyor drive arrangement comprises motor, driving shaft, active wheels and driven wheels, described supporting component comprises main backstop and auxiliary bracing frame, described active wheels are coupling on described main backstop, described driven wheels are arranged on described auxiliary bracing frame, described motor is connected with described active wheels by described driving shaft, described belt support is on described active wheels and described driven wheels, described active wheels match with described driven wheels and drive described travelling belt cycle operation.
3. the appraisal procedure of a kind of flowing oil metal particle on-line monitoring sensor performance according to claim 2, it is characterized in that described driving shaft comprises soft drive shaft and optical axis, one end of described soft drive shaft is connected with the rotating shaft of described motor, the other end of described soft drive shaft is connected with an end of described optical axis by shaft coupling, and the other end of described optical axis is connected with described active wheels.
4. the appraisal procedure of a kind of flowing oil metal particle on-line monitoring sensor performance according to claim 3, it is characterized in that described active wheels comprise main drive wheel and advocate bearing up pulley, the other end of described optical axis is connected with described main drive wheel, described main drive wheel and described opinion bearing up pulley all are coupling on described main backstop, and described belt support is on described opinion bearing up pulley and described main drive wheel.
5. the appraisal procedure of a kind of flowing oil metal particle on-line monitoring sensor performance according to claim 4, it is characterized in that described driven wheels comprise two end position-limited wheels, at least one is from driving wheel and at least one is from stretching pulley, described belt support is at described end position-limited wheel, described from driving wheel and described from stretching pulley, described auxiliary bracing frame is comprised of many auxiliary erection columns, described end position-limited wheel, described from driving wheel and describedly all be coupling at the top of described auxiliary erection column from stretching pulley, on-line monitoring installation of sensors to be assessed is on described installation of sensors platform, two described end position-limited wheels be positioned at the both sides of on-line monitoring sensor to be assessed and with on-line monitoring sensor to be assessed on the same straight line, describedly from driving wheel, at described opinion bearing up pulley with this, advocate between described end position-limited wheel that bearing up pulley is adjacent, described from stretching pulley described from driving wheel and and this described end position-limited wheel adjacent from driving wheel between.
6. the appraisal procedure of a kind of flowing oil metal particle on-line monitoring sensor performance according to claim 5, it is characterized in that described is two from driving wheel, described is two from stretching pulley, two described both sides that are arranged on described main drive wheel from driving wheel.
7. the appraisal procedure of a kind of flowing oil metal particle on-line monitoring sensor performance according to claim 6, it is characterized in that on described base plate being provided with tensioning dynamics governor motion, described tensioning dynamics governor motion comprises sliding stand and set bolt, described sliding stand has sliding tray, slidably be provided with the slider bar matched with described sliding tray in described sliding tray, be fixedly installed on described slider bar for the bottom that the described described auxiliary erection column from stretching pulley is installed, have the fixed orifice that a plurality of and described set bolt matches on described slider bar, described set bolt is fixed on described slider bar in described sliding tray through described fixed orifice.
8. the appraisal procedure of a kind of flowing oil metal particle on-line monitoring sensor performance according to claim 1, it is characterized in that described travelling belt is for the sealing oil pipe, described metallic particles secure attachment is in described sealing oil pipe, and described metallic particles is arranged in order along described sealing oil pipe.
9. the appraisal procedure of a kind of flowing oil metal particle on-line monitoring sensor performance according to claim 8, the two ends that it is characterized in that described sealing oil pipe are provided with the sealing cock body, described sealing cock body is provided with connection chamber between the outermost end of described sealing oil pipe, be provided with the axle that is flexible coupling between two described connection chambers, the end of the described axle that is flexible coupling is stretched in described connection chamber, on the chamber wall of described connection chamber, normal direction is provided with the movable latch for the fixing described axle that is flexible coupling, the two ends of described movable latch are through the chamber wall of described connection chamber, described movable latch is through the described axle that is flexible coupling.
10. the appraisal procedure of a kind of flowing oil metal particle on-line monitoring sensor performance according to claim 1, it is characterized in that described base plate is arranged on shaking table, described shaking table is connected with the shaking table control box by the transmission control line, and vibrated control box of shaking table controlled and driven back plate vibration.
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| CN201310416758.9A CN103471969B (en) | 2013-09-12 | 2013-09-12 | A kind of appraisal procedure of flowing oil metal particle on-line monitoring sensor performance |
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| CN201310416758.9A CN103471969B (en) | 2013-09-12 | 2013-09-12 | A kind of appraisal procedure of flowing oil metal particle on-line monitoring sensor performance |
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| CN103471969B CN103471969B (en) | 2016-01-06 |
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| CN103471969B (en) | 2016-01-06 |
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Denomination of invention: An evaluation method for the performance of an online monitoring sensor for metal particles in flowing oil Effective date of registration: 20231225 Granted publication date: 20160106 Pledgee: Haishu Sub branch of Bank of Ningbo Co.,Ltd. Pledgor: ZHEJIANG ZHONGXIN POWER MEASUREMENT AND CONTROL TECHNOLOGY Co.,Ltd. Registration number: Y2023980072971 |
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