WO2005100757A1 - 運動機関 - Google Patents
運動機関 Download PDFInfo
- Publication number
- WO2005100757A1 WO2005100757A1 PCT/JP2004/016524 JP2004016524W WO2005100757A1 WO 2005100757 A1 WO2005100757 A1 WO 2005100757A1 JP 2004016524 W JP2004016524 W JP 2004016524W WO 2005100757 A1 WO2005100757 A1 WO 2005100757A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- oscillation circuit
- fluid
- oscillation
- monitoring device
- magnetic material
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 claims abstract description 249
- 239000000696 magnetic material Substances 0.000 claims abstract description 79
- 238000012937 correction Methods 0.000 claims abstract description 68
- 239000012530 fluid Substances 0.000 claims abstract description 64
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000012806 monitoring device Methods 0.000 claims description 107
- 238000005259 measurement Methods 0.000 claims description 96
- 239000000126 substance Substances 0.000 claims description 81
- 230000008859 change Effects 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 9
- 230000000386 athletic effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 230000005856 abnormality Effects 0.000 abstract description 30
- 239000010687 lubricating oil Substances 0.000 description 66
- 238000001514 detection method Methods 0.000 description 35
- 238000012545 processing Methods 0.000 description 21
- 239000000843 powder Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 16
- 239000002184 metal Substances 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 15
- 230000035945 sensitivity Effects 0.000 description 14
- 230000006866 deterioration Effects 0.000 description 12
- 238000005299 abrasion Methods 0.000 description 11
- 238000012986 modification Methods 0.000 description 11
- 230000004048 modification Effects 0.000 description 11
- 239000003921 oil Substances 0.000 description 9
- 238000007689 inspection Methods 0.000 description 8
- 230000001050 lubricating effect Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/10—Indicating devices; Other safety devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Specific substances contained in the oils or fuels
- G01N33/2858—Metal particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2250/00—Measuring
- F16N2250/32—Inductive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
Definitions
- the present invention relates to a motion engine such as a sliding engine and a rotary engine.
- a moving engine such as a sliding engine including a cylinder liner and a piston and a rotating engine including a shaft and a bearing lubricate a sliding portion and a rotating portion with lubricating oil. ing.
- Such sliding parts and rotating parts are usually in contact with each other via an oil film, but if any abnormality occurs, first, the metals of the constituent parts come into contact with each other in a small area to generate abrasion powder.
- the concentration of the wear powder (magnetic substance) in the lubricant increases due to the mixing of the wear powder into the lubricating oil, and the contact range between the metals increases.
- a decrease in the seal performance of the piston ring due to an increase in the contact range between the metals causes combustion gas to blow through, and the temperature of the cylinder liner increases, and There is a problem that the moving part is deteriorated and vibration is generated.
- Patent Document 1 JP-A-2002-276323
- the present invention has been made in view of such circumstances, and has as its object to provide an exercise institution that can monitor abnormalities of exercise means with high accuracy and can detect the abnormality at an early stage.
- the present invention is a motion engine provided with a monitoring device for monitoring a state of a motion means lubricated by a fluid, wherein the monitoring device is an actual measurement LC for measuring a concentration of a magnetic substance in the fluid. It is an engine that has an oscillation circuit and an LC oscillation circuit for correction, and is configured to judge the state of the exercise means based on the concentration of the magnetic substance in the fluid.
- the concentration of the magnetic substance in the fluid is measured by the LC oscillation circuit for measurement and the LC oscillation circuit for correction. Since the force in such a state can be monitored, abnormality of the moving means can be detected at an early stage, and as a result, replacement or repair of parts can be suppressed.
- the state of the moving means can be monitored in real time by the LC oscillation circuit for measurement and the LC oscillation circuit for correction, the supply amount of fluid can be appropriately reduced, and the operating cost can be reduced.
- the monitoring device can be configured by an LC oscillation circuit for actual measurement and an LC oscillation circuit for correction, a cheap and inexpensive device configuration can be provided for a moving engine, and the device can be suitably used.
- a second flow path that branches to a flow path of a fluid may be provided, and a monitoring device may be provided in the second flow path.
- the monitoring device is newly attached to the existing exercise engine by attaching the second flow path. As a result, installation of the monitoring device can be facilitated and versatility can be improved.
- the present invention may include a temperature monitoring device that monitors a temperature, and the temperature monitoring device may be configured to determine a state of the exercise means based on the temperature.
- the temperature monitoring device can be combined with the monitoring device that monitors the concentration of the magnetic material. Since the force of the exercise means can be monitored in any state, abnormality of the exercise means can be suitably and early detected.
- the monitoring device includes an actual measurement LC oscillation circuit that disposes the first coil near or in the fluid so as to detect a change in frequency corresponding to the magnetic substance concentration in the fluid;
- An LC oscillation circuit for correction that arranges the second coil at a position that is not affected by the magnetic material in the fluid or a position that is less affected by the magnetic material in the fluid,
- the difference between the measured data and the oscillation frequency of the LC oscillation circuit for measurement and the oscillation frequency of the LC oscillation circuit for correction may be used to determine the difference between the measured data, remove disturbance, and convert the difference to the concentration of the magnetic substance.
- the measurement data is processed and converted into the concentration of the magnetic substance from the oscillation frequency for measurement and the oscillation frequency for correction by the respective LC oscillation circuits.
- the disturbance can always be removed and corrected, and the concentration of the magnetic substance can be measured continuously.
- the concentration of the magnetic substance can be measured with a resolution on the order of several ppm.
- the second coil of the LC oscillation circuit for correction is placed at a position that is not affected by the magnetic substance in the fluid or at a position that is less affected by the magnetic substance in the fluid, and the difference between the respective measurement data is obtained.
- the temperature change but also other disturbances such as magnetic noise can be appropriately eliminated, and the measurement of the concentration of the magnetic material can be performed with a simple configuration.
- the configuration of the LC oscillation circuit can be easily configured without being affected by the arrangement of the piping through which the fluid passes. Can be placed.
- the difference between the measured data and the amount of change due to the influence of the magnetic material are compared based on the difference between the oscillation frequencies of the actual measurement LC oscillation circuit and the correction LC oscillation circuit.
- the apparent numerical ratio of the amount of change due to the influence of the magnetic material is increased, the detection sensitivity of the magnetic material is improved, and as a result, even if the concentration of the magnetic material is very small, it is possible to suitably measure.
- the monitoring device includes an actual measurement LC oscillation circuit that arranges the first coil near or in the fluid so as to detect a change in frequency corresponding to the magnetic substance concentration in the fluid;
- An LC oscillation circuit for correction that arranges the second coil at a position that is not affected by the magnetic material in the fluid or a position that is less affected by the magnetic material in the fluid, and that is not affected by the magnetic material in the fluid The influence of the magnetic substance in the position or fluid is small! /
- the difference between the measured data is determined from the oscillation frequency of the LC oscillation circuit for measurement and the oscillation frequency of the LC oscillation circuit for comparison, and is used as the first data.
- the oscillation frequency of the LC oscillation circuit for correction and the LC oscillation for comparison are determined.
- a configuration may be adopted in which the difference between the measured data from the oscillation frequency of the circuit is obtained as second data, and the difference is obtained from the first data and the second data to remove disturbance and convert to a magnetic substance concentration. ! ⁇ .
- the data difference is calculated based on the data difference obtained by taking twice the difference between the oscillation frequencies of the actual measurement LC oscillation circuit, the correction LC oscillation circuit, and the comparison LC oscillation circuit. Since the amount of change due to the influence of the magnetic material is compared, the apparent numerical ratio of the amount of change due to the effect of the magnetic material is greatly increased, and the detection sensitivity of the magnetic material is improved. Can be measured more suitably. Further, since the processing is performed by taking the difference twice, it is possible to easily adjust the data difference in comparison with the amount of change due to the influence of the magnetic material. Furthermore, since the data difference is calculated from the first data and the second data and converted into the concentration of the magnetic material, disturbances such as noise due to temperature change of the magnetic material force in the fluid are further removed by the oscillation frequency for comparison. Correction can be made correctly.
- the concentration of the abrasion powder in the fluid is measured by measuring the concentration of the magnetic substance in the fluid using the LC oscillation circuit for measurement and the LC oscillation circuit for correction. Since it is possible to guess, it is possible to monitor the state of the means of exercise and detect abnormalities at an early stage! / ⁇ ⁇ Excellent various effects can be achieved.
- FIG. 1 is a flowchart showing the occurrence of an abnormality in a sliding portion in a conventional sliding engine.
- FIG. 2 is a flowchart showing the occurrence of an abnormality in a rotating part in a conventional rotary engine.
- FIG. 3 is a schematic view showing a first embodiment of the present invention.
- FIG. 4 is a schematic diagram showing a modification of the first embodiment of the present invention.
- FIG. 5 is a conceptual diagram of a monitoring device according to the first embodiment of the present invention.
- FIG. 6 is a schematic diagram showing a specific example of a monitoring device in a first embodiment of the present invention.
- FIG. 7 is a flowchart showing processing of the monitoring device according to the first embodiment of the present invention.
- FIG. 9 is a conceptual diagram of a modified example of the monitoring device in the first embodiment of the present invention.
- FIG. 10 is a schematic diagram showing a specific example of a modification of the monitoring device in the first embodiment of the present invention.
- FIG. 11 is a schematic view showing a second embodiment of the present invention.
- FIG. 12 is a schematic diagram showing a modification of the second embodiment of the present invention.
- FIG. 13 is a flowchart showing processing of the monitoring device according to the second embodiment of the present invention.
- Fig. 14 is a flowchart showing processing when a temperature monitoring device is provided in the second embodiment of the present invention.
- Fig. 15 is a schematic view showing a third embodiment of the present invention.
- FIG. 16 is a schematic view showing a modification of the third embodiment of the present invention.
- FIG. 3 is a schematic diagram showing a first embodiment of the present invention
- FIG. 4 is a schematic diagram showing a modification of the first embodiment of the present invention
- FIG. 5 is a conceptual diagram of a monitoring device in the first embodiment of the present invention.
- FIG. 6 shows a monitoring device according to the first embodiment of the present invention.
- FIG. 7 is a schematic diagram showing a specific example, and FIG. 7 is a flowchart showing processing of the monitoring device according to the first embodiment of the present invention.
- the moving engine according to the first embodiment is a sliding engine 1 having an engine power.
- the sliding engine 1 is disposed at an upper end of a cylinder liner 3 supported at an upper portion of a cylinder block 2 and at an upper end of the cylinder liner 3.
- a combustion chamber 7 is provided with a cylinder head 5 provided with an exhaust knob 4 and a piston 6 sliding in the cylinder liner 3.
- the cylinder block 2 supporting the cylinder liner 3 forms an internal space 8 so as to surround the cylinder liner 3 from a middle position to a lower portion.
- a plurality of bistone rings 9 are provided on the outer periphery of the piston 6 so as to slide on the inner wall surface 3a of the cylinder liner 3, and a vertical movement of the piston 6 is provided below the piston 6 by a crank mechanism. It has a piston rod 11 that communicates to 10. Here, the piston rod 11 also extends to the piston 6 through the bottom of the internal space 8 with the force of the crank mechanism 10.
- An upper part of the side of the cylinder liner 3 is provided with an introduction passage 12 through which a fluid lubricating oil can be introduced so as to lubricate the piston ring 9, and the side of the cylinder block 2 is lubricated with the piston ring 9. It has a discharge channel 13 from which lubricating oil can be discharged.
- the lubricating oil flowing into the cylinder liner 3 from the introduction flow path 12 flows down from the lower end of the cylinder liner 3 to the internal space 8, and is further discharged through the discharge flow path 13.
- a monitoring device 14 for monitoring the concentration of metal abrasion powder (magnetic material) contained in the lubricating oil is provided at an intermediate position of the discharge channel 13.
- a second flow path 15 that branches off as shown in FIG. 4 may be provided in a middle part of the discharge flow path 13, and a monitoring device 14 may be provided in the second flow path 15.
- the monitoring device 14 includes an actual measurement LC oscillation circuit 21, a correction LC oscillation circuit 22, and data processing means 23.
- the actual measurement LC oscillation circuit 21 The first coil 25 is arranged near the pipe 24 of the discharge channel 13 or in the pipe 24 of the discharge channel 13, and is configured to oscillate a predetermined oscillation frequency (oscillation wave) by a circuit configuration including the first coil 25. Have been.
- the LC oscillation circuit 22 for correction is located at a position not affected by the magnetic substance in the fluid or the magnetic substance in the fluid by passing a predetermined distance from the pipe 24 of the discharge flow path 13 through which the lubricating oil of the fluid flows.
- the second coil 26 is arranged at a position where the influence of the second coil 26 is small, and the circuit configuration including the second coil 26 is configured to oscillate a predetermined oscillation frequency (oscillation wave). It is.
- the actual measurement LC oscillation circuit 21 and the correction LC oscillation circuit 22 may be configured to have different frequencies within the range of several tens of%, or may be configured to have the same frequency.
- the circuit configuration of the LC oscillation circuit 21 for actual measurement and the circuit configuration of the LC oscillation circuit 22 for correction may be any configuration such as a collector type, a Hartley type, and a Colpitts type. Is preferred.
- the oscillation frequency f is changed by changing the inductance L of each coil.
- the frequency f is changed by changing the inductance L of each coil.
- the data processing means 23 is connected to the LC oscillation circuit 21 for actual measurement and the LC oscillation circuit 22 for correction, and calculates the difference between the oscillation frequencies of both (a beat period due to the superposition of both oscillation waves).
- the preceding processor 27 to be obtained an FZV converter (frequency-voltage conversion) 28 that is connected to the preceding processor 27 and converts the frequency into a voltage signal, and is connected to the FZV converter 28 and has the concentration and voltage of the magnetic material in advance.
- the apparatus includes a processor 29 at the subsequent stage to which comparison data indicating a correlation between values is input, and a magnetic substance concentration indicator 30 connected to the processor 29 at the subsequent stage and capable of displaying a screen.
- the first-stage processor 27, the FZV converter 28, the second-stage processor 29, and the magnetic substance concentration indicator 30 constituting the processing means 23 may be collectively constituted by one device, They may be configured separately or in a predetermined combination.
- the processing unit 27 at the preceding stage may be a connecting means of one circuit composed of a plurality of paths and resistors.
- the combination of the processor 27 and the FZV converter 28 in the preceding stage is combined with the LC oscillation circuit 21 for actual measurement.
- a second FZV converter (not shown) connected to the LC oscillation circuit 22 for correction and converting the frequency to a voltage signal.
- a processor (not shown) that is connected to the first FZV converter and the second FZV converter and obtains a difference between the two voltage values (difference in measurement data). Further, the combination of the processor 27 and the FZV converter 28 in the preceding stage is connected to an LC oscillation circuit 21 for actual measurement, a first pulse power counter (not shown) for converting a frequency into a numerical value, and an LC oscillation circuit for correction. A second pulse counter (not shown) connected to the circuit 22 for converting a frequency into a numerical value, and a difference between the two values (difference in measured data) connected to the first pulse counter and the second pulse counter. ) With a processor (not shown) It may be.
- the lubricating oil is discharged and discarded by lubricating the cylinder liner 3 and the piston ring 9 (means of movement). If the liner 3 and the piston ring 9 come into contact with metal in a small area as shown in the flow chart in Fig. 7, metal dust is generated by mixing of the wear powder into the lubricating oil. The concentration of powder (magnetic material) increases.
- the monitoring device 14 continuously measures and monitors the concentration of the magnetic substance contained in the lubricating oil in the discharge passage 13, and when the concentration of the magnetic substance becomes a predetermined value or more. First, determine that the cylinder liner 3 and piston ring 9 (sliding part) have an abnormality due to wear or deterioration, remove the cause of the abnormality through various inspections, and continue operation. On the other hand, when the concentration of the magnetic substance does not exceed the predetermined value, the concentration of the magnetic substance is continuously monitored.
- the concentration of the magnetic material may be integrated, and the total amount of the magnetic material due to the abrasion powder may be measured. Note that, in FIG. 7, a portion indicated by a virtual line is a flow showing the occurrence of an abnormality in a conventional sliding portion.
- the monitoring device 14 includes an actual measurement LC oscillation circuit 21 as shown in FIGS.
- an oscillation frequency (oscillation wave) including a signal due to the influence of a magnetic material is oscillated along with disturbances such as magnetic noise, electromagnetic noise, temperature change, and electrical noise, and at the same time, the LC oscillation circuit 22 for correction Oscillation frequency (oscillation wave) including disturbances such as magnetic noise, electromagnetic wave noise, temperature change, and electrical noise is oscillated and sent to the processor 27 in the preceding stage.
- the rate of change (detection sensitivity) due to the detection of a magnetic substance in the actual measurement LC oscillation circuit 21 will be described using numerical values assuming the frequency. If the oscillation frequency of the actual measurement LC oscillation circuit 21 is 50 KHz, When the oscillation frequency of the LC oscillation circuit 22 for correction is 45 KHz and the LC oscillation circuit 21 for actual measurement has a variation due to a magnetic substance of 10 Hz, the LC oscillation circuit 21 for actual measurement The rate of change (detection sensitivity) due to the detection of magnetic material is about 0.02% from 10HzZ (50KHz + 10Hz)
- the difference between the two frequencies is obtained by a beat obtained by superimposing the oscillation wave of the LC oscillation circuit 21 for measurement and the oscillation wave of the LC oscillation circuit 22 for correction.
- the difference is determined by the beat period (waveform), and the disturbance is removed.
- the processor 27 compares the amount of change due to the influence of the magnetic material on the basis of the beat period (waveform).
- the rate of change (detection sensitivity) due to the detection of a magnetic substance based on the beat period which is the difference between the two frequencies (the difference between the measurement data) is explained using numerical values based on the assumed frequency.
- the difference between the two frequencies is (50KHz + 10Hz)-45KHz to 5KHz + 10Hz, and the rate of change (detection sensitivity) due to the detection of the magnetic material is approximately 0 2%.
- the beat period (waveform) is sent to the FZV converter 28, which converts the beat period (waveform) into a voltage signal and sends it to a subsequent processor 29.
- comparison data indicating the correlation between the concentration of the magnetic substance and the voltage value is compared with the voltage signal, and the result is converted into the concentration of the magnetic substance, and the magnetic substance concentration indicator 30 displays the concentration of the magnetic substance in the fluid. Is displayed.
- the monitoring means 14 uses the actual measurement LC oscillation circuit 21 and the correction LC oscillation circuit 22 to move the sliding means (moving hand) such as the cylinder liner 3 and the piston ring 9.
- the force of the sliding means (moving means) can be monitored.
- the LC oscillation circuit 21 for actual measurement and the LC oscillation circuit 22 for Can be monitored, so that the supply amount of the lubricating oil can be reduced appropriately and safely, and the operating cost can be reduced.
- the monitoring device 14 can be constituted by the LC oscillation circuit 21 for measurement and the LC oscillation circuit 22 for correction, the monitoring device 14 can be equipped with a moving engine, can be inexpensively configured, and can be suitably used. .
- a second flow path 15 branching into the discharge flow path 13 is provided, and a monitoring device 14 is provided in the second flow path 15. Since the second flow path 15 is attached and the monitoring device 14 is provided, the attachment of the monitoring device 14 is facilitated, and the versatility can be improved.
- the measurement data is processed from the oscillation frequency for measurement and the oscillation frequency for correction by the respective LC oscillation circuits 21 and 22, and is converted into the concentration of the magnetic substance. Therefore, the disturbance can be always removed and corrected by the signal of the magnetic force in the lubricating oil of the fluid, and the concentration of the magnetic material can be continuously measured. Also, since the oscillation frequency oscillated by each of the LC oscillation circuits 21 and 22 is changed by a very small amount of magnetic material, the concentration of the magnetic material can be measured with a resolution on the order of several ppm.
- the second coil 26 of the LC oscillation circuit 22 for correction is arranged at a position where the magnetic material in the lubricating oil is not affected or at a position where the magnetic material in the lubricating oil is less affected. Therefore, not only temperature changes but also other disturbances such as magnetic noise can be appropriately eliminated, and the concentration measurement of the magnetic material can be performed with a simple configuration. Furthermore, when the first coil 25 of the LC oscillation circuit 21 for measurement is arranged near or in the lubricating oil, the first coil 25 for the actual measurement is not affected by the arrangement of the pipe 24 through which the lubricating oil passes. The configuration of the LC oscillation circuit 21 can be easily arranged.
- the detection sensitivity of the magnetic substance is improved, and as a result, even if the concentration of the magnetic substance is very small, it can be suitably measured.
- the difference between the measurement data is determined, if the difference between the measurement data is determined by detecting the period of the beat generated by superimposing the oscillating waves, a small difference in the frequency can be detected. Even a minute change in the measurement data such as one thousandth of the frequency can be detected appropriately, and the concentration of the magnetic substance can be accurately measured.
- the frequency is converted to a voltage signal by an FZV converter and the difference in the measured data is obtained based on the difference in the voltage value, it can be configured by combining commercially available equipment, so that the cost can be further reduced. it can. Further, if the frequency is converted into a numerical value by a pulse counter and the difference between the measured data is obtained by calculation, the cost can be further reduced because it can be configured by combining generally commercially available devices.
- FIG. 8 is a flowchart showing processing when a temperature monitoring device is provided in the first embodiment of the present invention.
- the temperature monitoring device (not shown) is provided in the first embodiment provided with the monitoring device 14, and includes a temperature sensor (not shown) disposed at a detection position such as the cylinder liner 3 and a temperature sensor. A warning alarm (not shown) connected to the sensor is provided.
- the detection position at which the temperature sensor is disposed is not particularly limited as long as the temperature can be suitably measured. Further, the temperature monitoring device may be linked with the magnetic material monitoring device 14.
- the concentration of the magnetic substance contained in the lubricating oil in the discharge passage 13 is continuously measured and monitored in substantially the same manner as in the first embodiment.
- concentration of the magnetic material exceeds a specified value, it is determined that the cylinder liner 3 and the piston ring 9 (sliding part) have abnormalities due to wear and deterioration, etc. And operate continuously.
- concentration of the magnetic substance does not exceed the predetermined value, the concentration of the magnetic substance is continuously monitored.
- the concentration of the magnetic substance is integrated, and the total amount of the magnetic substance due to the abrasion powder is measured. It may be measured.
- the contact range between the cylinder liner 3 and the piston ring 9 increases due to the increase in the concentration due to the wear powder in the lubricating oil, and the temperature at the detection position of the cylinder liner 3 and the like increases.
- the temperature monitoring device measures and monitors the temperature rise or temperature change at the detection position of the cylinder liner 3 or the like, and when the temperature rise or the temperature change exceeds a predetermined temperature, The cylinder liner 3 and piston ring 9 (sliding part) are judged to have abnormal force S due to wear or deterioration, etc., and are warned by a warning alarm. The cause of the abnormality is removed through various inspections, etc. Drive. On the other hand, when the temperature rise or the temperature change does not exceed the predetermined temperature (the second arrow direction of NO in FIG. 8), the temperature rise or the temperature change of the cylinder liner 3 is continuously monitored. In FIG. 8, a portion indicated by a virtual line is a flow indicating occurrence of an abnormality in a conventional sliding portion.
- the temperature monitoring device that monitors the temperature is provided, and when the temperature monitoring device is configured to determine the state of the moving means based on the temperature at the detection position, the monitoring device monitors the concentration of the magnetic material. Since the force of the exercise means can be monitored in combination with 14, the abnormality of the exercise means can be suitably and early detected.
- FIG. 9 is a conceptual diagram of a modified example of the monitoring device in the first embodiment of the present invention
- FIG. 10 is a schematic diagram showing a specific example of a modified example of the monitoring device in the first embodiment of the present invention.
- the monitoring device 14a of another example includes an actual measurement LC oscillation circuit 31, a correction LC oscillation circuit 32, a comparison LC oscillation circuit 33, and data processing means 34.
- the LC oscillation circuit 31 has a first coil 36 disposed in the vicinity of or in the pipe 35 of the discharge passage 13 through which the fluid lubricating oil flows, and has a circuit configuration including the first coil 36. It is configured to oscillate a predetermined oscillation frequency (oscillation wave). Further, the LC oscillation circuit 32 for correction passes through a predetermined distance from the pipe 35 of the discharge flow path 13 through which the lubricating oil of the fluid flows, so that the position or the position thereof is not affected by the magnetic substance in the lubricating oil.
- the second coil 37 is arranged at a position where the influence of the magnetic substance in the lubricating oil is small, and a predetermined power is generated by the circuit configuration including the second coil 37. It is configured to oscillate oscillation frequency (oscillation wave). Further, the LC oscillation circuit 33 for comparison is substantially the same as the LC oscillation circuit 32 for correction by passing a predetermined distance from the pipe 35 of the discharge passage 13 through which the fluid lubricating oil flows.
- the third coil 38 is placed in a position that is not affected by the magnetic material or in a position that is less affected by the magnetic material in the lubricating oil, and a predetermined oscillation frequency (oscillation wave) is oscillated by the circuit configuration including the third coil 38.
- the actual measurement LC oscillation circuit 31, the correction LC oscillation circuit 32, and the comparison LC oscillation circuit 33 may be configured so that their frequencies are different from each other within a range of several tens of%, or the same. May be configured.
- the circuit configuration may be any type such as collector type, Hartley type, Colpitts type, etc.However, the LC oscillation circuit 31 for measurement and the LC oscillation circuit 32 for correction should be the same type. In particular, it is preferable that all three be of the same type.
- Such an LC oscillation circuit 31 for measurement, an LC oscillation circuit 32 for correction, and an LC oscillation circuit 33 for comparison are
- the oscillation frequency f is changed by changing the inductance L of each coil.
- the frequency f and the impedance Z are not correlated.
- the data processing means 34 is connected to the LC oscillation circuit 31 for actual measurement and the LC oscillation circuit 33 for comparison, and obtains a difference between the two oscillation frequencies (a beat caused by superposition of both oscillation waves). It is connected to the first processor 39 of the previous stage, the LC oscillation circuit 32 for correction, and the LC oscillation circuit 33 for comparison, and calculates the difference between the two oscillation frequencies (the beat due to the superposition of both oscillation waves).
- the second processor 40, the first processor 39 in the previous stage, and the second process in the previous stage Is connected to the processor 40 and calculates the difference between the two waveforms (a beat due to the superposition of the two oscillating waves).
- the processor 41 is connected to the middle processor 41 and converts the frequency to a voltage signal.
- the first processor 39 at the front stage, the second processor 40 at the front stage, the middle processor 41, the FZV converter 42, the latter processor 43, the magnetic substance concentration indicator constituting the processing means 34 44 may be constituted by one device collectively, may be constituted separately, or may be constituted by a predetermined combination. Further, the first processing device 39 and the second processing device 40 may be connection means of one circuit configured by a plurality of paths and resistors.
- the combination of the first processor 39, the second processor 40, the middle processor 41, and the FZV converter 42 is connected to an actual measurement LC oscillation circuit 31 to convert a frequency into a voltage signal.
- One FZV converter (frequency / voltage converter), a second FZV converter (not shown) connected to the LC oscillation circuit 32 for correction and converting the frequency to a voltage signal, and an LC oscillation circuit 33 for comparison.
- a second processor (not shown) in the preceding stage for calculating the difference between the two voltage values (difference in measurement data) and a second processor in the preceding stage Processor and connected to a second processor of the previous stage determines the difference of both voltage values (the difference between the measurement data) middle processor may be a combination of a (not shown). Furthermore, a combination of the first processor 39, the second processor 40, the middle processor 41, and the FZV converter 42 is connected to an actual measurement LC oscillation circuit 31 to convert a frequency into a numerical value.
- a pulse counter (not shown), a second pulse counter (not shown) connected to an LC oscillation circuit 32 for correction to convert a frequency into a numerical value, and an LC oscillation circuit 33 for comparison
- a third pulse counter (not shown) and a fourth pulse counter (not shown) for converting the frequency to a numerical value, and a first pulse counter and a third pulse counter.
- the second processor (not shown) in the previous stage for calculating the difference (measurement data difference) and the first processor in the previous stage and the second processor in the previous stage that are connected to The difference may be determined in combination with a middle processing unit (not shown).
- the monitoring device 14a continuously measures and monitors the concentration of the magnetic substance contained in the lubricating oil in the discharge flow path 13, substantially in the same manner as in the first embodiment.
- the body concentration exceeds a specified value, it is determined that there is an abnormality due to wear or deterioration of the cylinder liner 3 and the piston ring 9 (sliding part), and the cause of the abnormality is determined through various inspections. Remove and operate continuously.
- the concentration of the magnetic substance does not exceed the predetermined value, the concentration of the magnetic substance is continuously monitored.
- the concentration of the magnetic substance may be integrated and the total amount of the magnetic substance due to the abrasion powder may be measured.
- the monitoring device 14a may be used in combination with a temperature monitoring device.
- the monitoring device 14a uses an actual measurement LC oscillation circuit 31 to measure magnetic noise, electromagnetic noise, An oscillation frequency (oscillation wave) including a signal due to the influence of the magnetic material along with disturbances such as temperature change and electric noise is oscillated and sent to the first processor 39 in the preceding stage, and an LC oscillation circuit 32 for correction is provided.
- an oscillation frequency (oscillation wave) including disturbances such as magnetic noise, electromagnetic wave noise, temperature change, and electrical noise is oscillated and sent to the second processor 40 in the preceding stage, and at the same time, the LC for comparison is used.
- the oscillating circuit 33 oscillates an oscillating frequency (oscillation wave) including disturbance such as noise and sends the oscillating frequency to the first processor 39 and the second processor 40 in the preceding stage.
- the rate of change (detection sensitivity) due to the detection of a magnetic substance in the actual measurement LC oscillation circuit 31 is calculated as the number of assumed frequencies.
- the oscillation frequency of the LC oscillation circuit 31 for measurement is ⁇
- the oscillation frequency of the LC oscillation circuit 32 for correction is 99 KHz
- the oscillation frequency of the LC oscillation circuit 33 for comparison is 90 KHz.
- the first processor 39 in the preceding stage of the processing means 34 two frequencies are obtained by a beat obtained by superimposing the oscillation wave of the LC oscillation circuit 31 for measurement and the oscillation wave of the LC oscillation circuit 33 for comparison.
- a beat cycle (waveform) which is the difference between the measured data (difference in measured data) is obtained and sent to the middle processor 41 as first data.
- the beat of the oscillation of the LC oscillation circuit 32 for correction and the oscillation of the LC oscillation circuit 33 for comparison are superposed, and the difference between the two frequencies (
- the beat cycle (waveform) which is the difference between the measurement data, is obtained and sent to the middle-stage processor 41 as second data.
- the rate of change (detection sensitivity) due to the detection of the magnetic substance in the first processor 39 will be described using numerical values based on the assumption of the frequency.
- the difference between the two frequencies Is from ( ⁇ + ⁇ ) -90KHz to 10KHz + 10Hz
- the rate of change (detection sensitivity) due to the detection of magnetic material is about 0.1% from 10HzZ (10KHz + 10Hz).
- the frequency difference (measurement data difference) in the second processor 40 is from 9KHz-90KHz to 9KHz.
- the processor 41 in the middle stage obtains a beat cycle of the difference between the two frequencies (data difference) by superimposing the waveform of the first data and the waveform of the second data, and removes the disturbance.
- the middle processor 41 compares the amount of change due to the influence of the magnetic material on the basis of the beat period of the difference (data difference) between the two frequencies.
- the change rate (detection sensitivity) due to the detection of the magnetic substance based on the beat period, which is the difference (data difference) between the two frequencies, in the processor 41 in the middle stage will be described using numerical values assuming the frequency.
- the difference (data difference) between the two frequencies is ( ⁇ + ⁇ ) —9 KHz to ⁇ + ⁇ , and the rate of change (detection sensitivity) due to the detection of the magnetic material is 10 ⁇ (1 ⁇ + 10 ⁇ ). ) Is about 1.0%.
- the beat cycle (waveform) is sent to the FZV converter 42.
- the FZV converter 42 converts the beat cycle (waveform) into a voltage signal and sends it to the subsequent processor 43, where it is sent to the subsequent processor 43.
- comparison data indicating the correlation between the concentration of the magnetic substance and the voltage value is compared with the voltage signal to convert it into the concentration of the magnetic substance, and the magnetic substance concentration indicator 44 displays the concentration of the magnetic substance in the lubricating oil. Find and display the density.
- an actual measurement LC oscillation circuit 31, a correction LC oscillation circuit 32, and a comparison LC oscillation circuit 32 are used.
- the circuit 33 measures the concentration of the magnetic substance in the lubricating oil that increases due to wear and deterioration of the sliding means (moving means) such as the cylinder liner 3 and the piston ring 9, and determines what kind of sliding means (moving means) Since the state force can be monitored, abnormality of the sliding means (moving means) can be detected at an early stage, and as a result, replacement or repair of parts can be suppressed.
- the actual state of the sliding means can be monitored in real time by the LC oscillation circuit 31 for measurement, the LC oscillation circuit 32 for correction, and the LC oscillation circuit 33 for comparison. Can be reduced suitably and safely, and the operating cost can be reduced. Further, since the monitoring device 14a can be constituted by the LC oscillation circuit 31 for actual measurement, the LC oscillation circuit 32 for correction, and the LC oscillation circuit 33 for comparison, an inexpensive device configuration that can be equipped with a moving engine is provided. It can be used suitably.
- the oscillation frequency of the LC oscillation circuit 31 for measurement is processed and converted into the concentration of the magnetic material, the disturbance is always removed and corrected by the signal from the magnetic material in the lubricating oil, so that the concentration of the magnetic material can be continuously measured.
- the oscillation frequency oscillated by the LC oscillation circuit 31 for actual measurement, the LC oscillation circuit 32 for correction, and the LC oscillation circuit 33 for comparison is changed by a very small amount of magnetic material. It can be suitably measured with a resolution of.
- the second coil 37 of the LC oscillation circuit 32 for correction and the third coil 38 of the LC oscillation circuit 33 for comparison are connected to the position or the magnetic material in the lubricating oil without being affected by the magnetic material in the lubricating oil. Since it is located at the position where the influence is small, disturbance such as magnetic noise can be appropriately eliminated, and the concentration measurement of the magnetic material can be performed with a simple configuration.
- the first coil 36 of the actual measurement LC oscillation circuit 31 is arranged near the piping 35, the actual measurement LC oscillation circuit is not affected by the arrangement of the piping 35 through which the lubricating oil passes.
- the configuration of the circuit 31 can be easily arranged.
- the data difference and the magnetic material are determined based on the data difference obtained by taking twice the difference between the oscillation frequencies of the LC oscillation circuit 31 for measurement, the LC oscillation circuit 32 for correction, and the LC oscillation circuit 33 for comparison. Since the amount of change due to the influence of the magnetic material is compared, the apparent numerical ratio of the amount of change due to the effect of the magnetic material is greatly increased (100 times in the case of the above assumed value), and the detection sensitivity of the magnetic material is improved. As a result, even if the concentration of the magnetic substance is very small, it can be measured more suitably. Furthermore, since the processing is performed by taking the difference twice, it is possible to easily adjust the data difference in comparison with the variation due to the influence of the magnetic material.
- the beat generated by superimposing the oscillation waves is measured to determine the difference between the measurement data, so that a small difference in the frequency can be detected. Even a minute change in measurement data such as several tenths of a minute can be suitably measured, and the concentration of the magnetic substance can be accurately measured. Also, if the frequency is converted to a voltage signal by an FZV converter and the difference in the measured data is obtained from the difference in the voltage value, it is possible to combine generally commercially available devices, so that the cost can be further reduced. . Further, if the frequency is converted into a numerical value by a pulse counter and the difference between the measured data is obtained by calculation, it can be configured by combining commercially available devices, so that the cost can be further reduced.
- FIG. 11 is a schematic diagram of the second embodiment of the present invention
- FIG. 12 is a schematic diagram showing a modification of the second embodiment of the present invention
- FIG. 13 shows the processing of the monitoring device in the second embodiment of the present invention. It is a flow.
- the moving engine of the second embodiment is a rotating engine 51 that also generates engine power.
- the rotating engine 51 includes a cylinder liner 53 supported on the upper portion of a cylinder block 52,
- a combustion chamber 58 is formed by a cylinder head 56 having a valve 54 and an intake valve 55, and a piston 57 sliding in a cylinder liner 53.
- a plurality of piston rings 59 are provided on the outer periphery of the piston 57 so as to slide on the inner wall surface 53a of the cylinder liner 53, and a lower part of the piston 57 converts the vertical movement of the piston 57 into a rotational movement.
- a crankshaft 61 is provided via a crank mechanism 60 as shown in FIG.
- the side of the cylinder block 52 is provided with an introduction flow path 62 for introducing fluid lubricating oil around the crankshaft 61 so as to lubricate the crankshaft 61, and a lower part of the cylinder block 52 is provided.
- the oil chamber 63 has an oil chamber 63 below the crankshaft 61 for storing lubricating oil.
- the oil chamber 63 has a discharge channel 64 at the bottom thereof for discharging lubricating oil.
- the discharge passage 64 and the introduction passage 62 are connected by a circulation passage 65 so as to circulate the lubricating oil.
- the circulation passage 65 includes a circulation pump 66 and is included in the lubricating oil.
- a second flow path 67 branched as shown in FIG. 12 may be provided in a middle part of the circulation flow path 65 so as to be attachable, and the monitoring device 14 may be provided in the second flow path 67.
- the monitoring device 14 is configured substantially in the same manner as in the first embodiment, and may include an actual measurement LC oscillation circuit 21 and a correction LC oscillation circuit 22, or may include the other monitoring device 14a.
- An LC oscillation circuit 31 for measurement, an LC oscillation circuit 32 for correction, and an LC oscillation circuit 33 for comparison may be provided.
- lubricating oil is discharged and circulated by lubricating the cylinder block 52 and the crankshaft 61 (moving means).
- the lubricating oil is in contact with the cylinder block via an oil film. 52 and crankshaft 61 force If metal contact occurs in a small area and metal wear powder is generated, the concentration of metal wear powder (magnetic material) in the lubricating oil will increase due to mixing of the wear powder into the lubricating oil. Ascend.
- the lubricating oil lubricates the cylinder liner 53 and the piston ring 59 by lubricating the crankshaft 61 and simultaneously lubricating the crankshaft 61 and lubricating the oil through a hole provided in the piston 57.
- the monitoring device 14 continuously measures and monitors the concentration of the magnetic substance contained in the lubricating oil in the discharge flow path 64 in substantially the same manner as in the first embodiment. If the concentration exceeds a predetermined value, it is determined that there is an abnormality such as wear or deterioration of the cylinder block 52 and the crankshaft 61 (rotating part) or the cylinder liner 53 and the piston ring 59, and various inspections are performed. Eliminate the cause of the problem through the system and continue operation. On the other hand, when the concentration of the magnetic substance does not exceed the predetermined value, the concentration of the magnetic substance is continuously monitored. In FIG. 13, the imaginary line is 9 is a flowchart showing the occurrence of an abnormality in a conventional rotating part.
- rotation means such as the cylinder block 52 and the crankshaft 61 are provided by the actual measurement LC oscillation circuit 21 and the correction LC oscillation circuit 22 of the monitoring device 14.
- the concentration of the magnetic substance in the lubricating oil which increases due to wear and deterioration of the motor, it is possible to monitor the force of the rotating means (moving means) in any state. And, as a result, replacement or repair of parts can be suppressed.
- the state of the rotating means (moving means) can be monitored in real time by the actual measurement LC oscillation circuit 21 and the correction LC oscillation circuit 22, so that the lubricating oil supply amount can be reduced appropriately and safely, and the operating cost can be reduced.
- the monitoring device 14 can be constituted by the LC oscillation circuit 21 for the actual measurement and the LC oscillation circuit 22 for the correction, an inexpensive device configuration that can be provided for the exercise engine can be obtained, and the device can be suitably used.
- a second flow path 67 branching into a circulation flow path 65 is provided, and a monitoring device 14 is provided in the second flow path 67. Since the monitoring device 14 is provided by attaching the two flow paths 67, the mounting of the monitoring device 14 can be facilitated and the versatility can be improved.
- FIG. 14 is a flow chart showing processing when a temperature monitoring device is provided in the second embodiment of the present invention.
- the temperature monitoring device is provided in the second embodiment provided with the monitoring device 14, and includes a temperature sensor (not shown) disposed at a detection position near the crankshaft 61 or the like, and a temperature sensor (not shown). And a warning alarm (not shown) connected to the power supply.
- the detection position at which the temperature sensor is disposed is not particularly limited as long as the temperature can be suitably measured.
- the temperature monitoring device may be linked with the magnetic material monitoring device 14.
- the concentration of the magnetic substance contained in the lubricating oil in the discharge flow passage 64 is continuously measured and monitored in substantially the same manner as in the second embodiment. If the concentration of the magnetic material becomes higher than the specified value, it is determined that the cylinder block 52 and the crankshaft 61 (rotating part) have an abnormality due to wear or deterioration, and the cause of the abnormality is determined through various inspections. Remove, continuous Driving. On the other hand, when the concentration of the magnetic substance does not exceed the predetermined value, the concentration of the magnetic substance is continuously monitored. In FIG. 14, the imaginary line is a flow indicating the occurrence of an abnormality in the conventional rotating part.
- the temperature monitoring device measures and monitors the temperature rise or the temperature change at the detection position, and when the temperature rise or the temperature change becomes equal to or higher than a predetermined temperature, the cylinder block 52 and the crank are detected.
- the shaft 61 rotating part
- the shaft 61 has an abnormality due to wear or deterioration
- warn by a warning alarm remove the cause of the abnormality through various inspections, etc., and continue operation.
- the temperature rise or the temperature change does not exceed the predetermined temperature (in the direction of the second NO arrow in FIG. 14)
- the temperature rise or the temperature change at the detection position is continuously monitored.
- the temperature monitoring device when the temperature monitoring device is provided to monitor the temperature, and the temperature monitoring device is configured to determine the state of the moving means based on the temperature at the detection position, the monitoring device monitors the concentration of the magnetic material. Since the force of the exercise means can be monitored in combination with 14, the abnormality of the exercise means can be suitably and early detected.
- FIG. 15 is a schematic diagram showing a third embodiment of the present invention
- FIG. 16 is a schematic diagram showing a modification of the third embodiment of the present invention.
- the moving engine of the third embodiment is a rotating engine 71 that also generates other engine power.
- the rotating engine 71 includes a shaft 73 having a plurality of turbine blades 72 and a bearing 74 that supports the shaft 73.
- the bearing portion 74 is provided with an introduction flow passage 75 for introducing a fluid lubricating oil between the shaft portion 73 and the bearing portion 74 so as to lubricate the shaft portion 73, and a discharge passage for discharging the fluid lubricating oil. It has 76.
- the discharge passage 76 and the introduction passage 75 are connected by a circulation passage 77 so as to circulate the lubricating oil.
- the circulation passage 77 includes a circulation pump 78 and is included in the lubricating oil.
- a monitoring device 14 for monitoring the concentration of metal abrasion powder (magnetic material) is provided.
- a second channel 7 branched as shown in FIG. 9 may be provided so as to be attachable, and the monitoring device 14 may be provided in the second channel 79.
- the monitoring device 14 has substantially the same configuration as that of the first embodiment, and may include an actual measurement LC oscillation circuit 21 and a correction LC oscillation circuit 22, or may include a monitoring device 14a.
- An LC oscillation circuit 31 for measurement, an LC oscillation circuit 32 for correction, and an LC oscillation circuit 33 for comparison may be provided. Further, the monitoring device 14 may be used in combination with a temperature monitoring device.
- the athletic engine according to the third embodiment can obtain substantially the same operation and effect as the second embodiment.
- the motion engine of the present invention is not limited to only the above-described embodiment and modified examples. It is not limited to engines, sliding engines and rotating engines are not limited to the above embodiments and modifications, and if lubricating the moving means, the fluid is limited to lubricating oil Other solutions such as water, water, gas, etc. may be used. If the concentration of the magnetic substance can be corrected using the frequency of the LC oscillation circuit, any combination of devices may be used. It is needless to say that the calculation process may be replaced with another method, and that various changes can be made without departing from the scope of the present invention.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004115151A JP3682460B1 (ja) | 2004-04-09 | 2004-04-09 | 運動機関 |
JP2004-115151 | 2004-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005100757A1 true WO2005100757A1 (ja) | 2005-10-27 |
Family
ID=34909533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/016524 WO2005100757A1 (ja) | 2004-04-09 | 2004-11-08 | 運動機関 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP3682460B1 (ja) |
WO (1) | WO2005100757A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012506513A (ja) * | 2008-10-22 | 2012-03-15 | トータル・ラフィナージュ・マーケティング | 潤滑剤の質を制御するための装置および潤滑剤を使用する工業的機器の運転を制御するための方法 |
US20230175994A1 (en) * | 2021-12-06 | 2023-06-08 | Nippon Pillar Packing Co., Ltd. | Oil state detection apparatus |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5129974B2 (ja) * | 2006-04-28 | 2013-01-30 | 株式会社ディーゼルユナイテッド | 導電体濃度計測装置及び磁性体濃度計測装置 |
WO2007129462A1 (ja) * | 2006-04-28 | 2007-11-15 | Diesel United, Ltd. | 導電体濃度計測装置及び磁性体濃度計測装置 |
CN101460836B (zh) * | 2006-05-30 | 2012-04-18 | 株式会社柴油机联合 | 磁性体浓度计测装置以及磁性体浓度计测方法 |
JP5165269B2 (ja) * | 2006-05-30 | 2013-03-21 | 株式会社ディーゼルユナイテッド | 磁性体濃度計測装置及び磁性体濃度計測方法 |
SG174603A1 (en) | 2009-04-06 | 2011-11-28 | Waertsilae Nsd Schweiz Ag | Monitoring device and monitoring method for monitoring a state of wear of a component of a reciprocating internal combustion engine |
JP5502601B2 (ja) * | 2010-06-02 | 2014-05-28 | Jfeスチール株式会社 | 軸受け状態管理方法および軸受け状態管理装置 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5838162U (ja) * | 1981-09-09 | 1983-03-12 | 株式会社リコー | トナ−濃度検出回路 |
JPS62203915A (ja) * | 1986-01-27 | 1987-09-08 | ゼネラル モ−タ−ズ コ−ポレ−シヨン | エンジン・オイル交換の必要性を表示する方法 |
JPH03123926U (ja) * | 1990-03-29 | 1991-12-17 | ||
JPH05264495A (ja) * | 1992-03-18 | 1993-10-12 | Ngk Spark Plug Co Ltd | オイル劣化検出装置 |
JPH0742128Y2 (ja) * | 1984-04-03 | 1995-09-27 | エルサグ・インターナショナル・ビー・ブイ | ガス中の酸素濃度測定用の酸素検出器 |
JP2579413Y2 (ja) * | 1992-01-21 | 1998-08-27 | ティーディーケイ株式会社 | 磁気的検知装置 |
JP2847788B2 (ja) * | 1989-08-11 | 1999-01-20 | 日本電気株式会社 | セメント混合物中のセメント量の測定装置 |
JP2001153844A (ja) * | 1999-11-30 | 2001-06-08 | Tokico Ltd | 濃度計及び混合装置 |
JP2002005892A (ja) * | 2000-04-10 | 2002-01-09 | Randox Lab Ltd | 磁性粒子検出 |
JP2002276323A (ja) * | 2001-03-16 | 2002-09-25 | Man B & W Diesel As | 往復ピストン式内燃機関及びその運転方法 |
-
2004
- 2004-04-09 JP JP2004115151A patent/JP3682460B1/ja not_active Expired - Fee Related
- 2004-11-08 WO PCT/JP2004/016524 patent/WO2005100757A1/ja active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5838162U (ja) * | 1981-09-09 | 1983-03-12 | 株式会社リコー | トナ−濃度検出回路 |
JPH0742128Y2 (ja) * | 1984-04-03 | 1995-09-27 | エルサグ・インターナショナル・ビー・ブイ | ガス中の酸素濃度測定用の酸素検出器 |
JPS62203915A (ja) * | 1986-01-27 | 1987-09-08 | ゼネラル モ−タ−ズ コ−ポレ−シヨン | エンジン・オイル交換の必要性を表示する方法 |
JP2847788B2 (ja) * | 1989-08-11 | 1999-01-20 | 日本電気株式会社 | セメント混合物中のセメント量の測定装置 |
JPH03123926U (ja) * | 1990-03-29 | 1991-12-17 | ||
JP2579413Y2 (ja) * | 1992-01-21 | 1998-08-27 | ティーディーケイ株式会社 | 磁気的検知装置 |
JPH05264495A (ja) * | 1992-03-18 | 1993-10-12 | Ngk Spark Plug Co Ltd | オイル劣化検出装置 |
JP2001153844A (ja) * | 1999-11-30 | 2001-06-08 | Tokico Ltd | 濃度計及び混合装置 |
JP2002005892A (ja) * | 2000-04-10 | 2002-01-09 | Randox Lab Ltd | 磁性粒子検出 |
JP2002276323A (ja) * | 2001-03-16 | 2002-09-25 | Man B & W Diesel As | 往復ピストン式内燃機関及びその運転方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012506513A (ja) * | 2008-10-22 | 2012-03-15 | トータル・ラフィナージュ・マーケティング | 潤滑剤の質を制御するための装置および潤滑剤を使用する工業的機器の運転を制御するための方法 |
US20230175994A1 (en) * | 2021-12-06 | 2023-06-08 | Nippon Pillar Packing Co., Ltd. | Oil state detection apparatus |
EP4191243A3 (en) * | 2021-12-06 | 2023-08-23 | Nippon Pillar Packing Co., Ltd. | Oil state detection apparatus |
Also Published As
Publication number | Publication date |
---|---|
JP3682460B1 (ja) | 2005-08-10 |
JP2005299459A (ja) | 2005-10-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10711802B2 (en) | Pump monitoring | |
KR101579282B1 (ko) | 베어링의 내구성을 시험하기 위한 베어링의 시험 장치 | |
US8171797B2 (en) | Sideband energy ratio method for gear mesh fault detection | |
JP5968217B2 (ja) | すべり軸受の診断方法および診断装置 | |
JP4373350B2 (ja) | 軸振動監視システム | |
JP6136048B2 (ja) | レシプロ式機械装置の状態監視システムとその方法とそのプログラム | |
WO2005100757A1 (ja) | 運動機関 | |
JP5740208B2 (ja) | 軸受診断方法及びシステム | |
JP4767148B2 (ja) | 正常データベースを用いた転がり軸受の余寿命診断方法、余寿命診断システム及び余寿命診断に用いるコンピュータプログラム | |
JPS62226033A (ja) | メカニカルシ−ル摺動状態評価装置 | |
JP2016053308A (ja) | 液圧ポンプの故障診断装置 | |
JP5467857B2 (ja) | 粒子の濃度検出方法およびその装置 | |
JP3624289B2 (ja) | ポンプ振動監視方法および装置 | |
JP2002181038A (ja) | 異常診断装置 | |
JP2002188411A (ja) | 異常診断装置 | |
JP2011180082A (ja) | すべり軸受の診断方法および診断装置 | |
JP2006317251A (ja) | 磁性体濃度計測装置 | |
JP6987280B2 (ja) | 診断システム及び冷凍サイクル装置 | |
JP2002181525A (ja) | ポンプ用羽根車の間隔測定装置及び異常判断方法 | |
JPS628023A (ja) | 回転機械の診断方法 | |
JP2006046955A (ja) | 流体回転機械の診断方法 | |
JPH10333742A (ja) | 回転体振動診断装置 | |
JPH01199126A (ja) | 回転機械の診断装置 | |
JPS63152715A (ja) | Lngポンプのベアリング摩耗検出装置 | |
JPH06307843A (ja) | 水車ランナ摩耗量自動測定装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |