CN103249952B - For the device of pump monitoring - Google Patents
For the device of pump monitoring Download PDFInfo
- Publication number
- CN103249952B CN103249952B CN201180050630.4A CN201180050630A CN103249952B CN 103249952 B CN103249952 B CN 103249952B CN 201180050630 A CN201180050630 A CN 201180050630A CN 103249952 B CN103249952 B CN 103249952B
- Authority
- CN
- China
- Prior art keywords
- centrifugal pump
- equipment
- rotary type
- monitoring
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 4
- 239000002986 polymer concrete Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 239000012491 analyte Substances 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005288 electromagnetic effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention describes for monitoring centrifugal pump or comprising the apparatus and method of the rotary type component in the equipment of centrifugal pump, described device is by the first module (1) be fixedly linked with component to be monitored and be made up of second unit (9), described first module (1) at least comprises a sensor for detection member characteristic (2), for the analytic unit (4) of analyte sensors signal, for analysis result being transferred to transmitter unit (5) and the energy supply source (6) of the receiver be spatially separated with monitored component, described second unit (9) comprises receiving element (10), the analytical equipment (11) of the signal transmitted and the display unit (8) of elements characteristic detected and/or retransmission unit (13), the wherein transmission sound type ground of analysis result, namely carry out by means of sound wave.
Description
Technical field
The present invention relates to for monitoring centrifugal pump or comprising the apparatus and method of the rotary type component in the equipment of centrifugal pump.
Background technique
Centrifugal pump uses in large number quipments, under centrifugal pump is placed in the condition of very severe sometimes in such devices.Therefore, the state of centrifugal pump, especially impeller must accurately be monitored according to application, to avoid the damage of centrifugal pump or whole equipment.
DE4005503A1 shows the device by means of optical transmitting set (Lichtsender) and optical probe monitoring impeller.Optical transmitting set and sensor are centered in the leading edge of the wing by these monitoring substantive requirements of form regularly.But this monitoring method is only suitable for the centrifugal pump of medium transparent on feeding optical.
By the known a kind of vacuum pump with pump stator and pump rotor of DE102008019472A1, wherein this pump rotor contains transceiver.Additionally be furnished with the sensor, microcontroller and the storage that are connected with transceiver in the rotor.Layout tag reader in the stator reads the sensing data of rotor from transceiver.The electromagnetic compatibility of this monitor mode to vacuum pump proposes very high requirement.
Summary of the invention
Task of the present invention realizes for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, fed sheet of a media that is that this device can be applicable to any liquid or that load solid and do not depend on electromagnetic boundary conditions.
This solution is provided with for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, wherein Signal transmissions sound type ground, namely carry out by means of sound wave.This makes it possible to the signal transmitting monitored rotary type component simply and reliably.
In expansion scheme of the present invention, that first module, i.e. transmitter unit and second unit, transmission distance namely between receiving element arrange liquid with acoustic conductive media that is solid.At this advantageously, sound can along path and the characteristic in this path can clearly determine.The phase transitions of sound between solid dielectric and liquid medium can be considered when transmitting.The corresponding encoded of signal considers the loss at phase transitions place.
By first module, there is rating value storage, in this rating value storage, store the comparison value for measured sensor signal, obtain another advantage.The threshold value compared with measured value can be stored in this rating value storage.If reach threshold value, so corresponding signal can be sent to receiving element.
By selecting information transmission frequency with having deviation with System noise frequency, prevent the deterioration of transmitted signal.Centrifugal pump and all sound emissions of component be connected with it should be understood to System noise.Especially the combination of different component result in system, the natural frequency that depends on the distinct configuration of equipment specially.The explanation of error when analyzing the signal received is prevented by this measure.In Signal Matching situation targetedly, described transmission is insensitive for the interference caused by said system noise.
In order to by the ambient noise inputted from outside, namely come to the signal distinguishing that acoustic impacts and the sound type of centrifugal pump or equipment transmit, the sonic sensor for measuring ambient noise can be arranged in second unit.The signal of ambient noise with transmission can be separated by means of suitable wave filter, improve signal message whereby.
The launcher be fixedly linked with centrifugal pump impeller uses usually in the environment of very severe for electrical assembly.Therefore, advantageously first module is integrated in component, and especially first module is cast in this component.Launcher is protected in the surface of this component therefore simultaneously.Due to sound type transmission, it is possible for first module being integrated in metal construction, because sound type Signal transmissions in a metal does well.The second unit comprising receiving element to be integrated in metal shell or from externally-arranged be possible equally to housing.
This first module is equipped with energy supply device, wherein relates to storage battery in the simplest case at this.Can also arrange generator, described generator is from the motion of component, from vibrating or obtaining electric energy temperature gradient.To the autonomous supplying energy of first module especially when this first module packaged type be embedded in component time very important.Need in this case to guarantee energy supply in the length of life of component.
In expansion scheme of the present invention, the sensor of first module is designed to the elements characteristic detecting centrifugal pump or equipment, and such as machine temperature, mechanical pressure or stress or component rupture.Whereby, to each component targetedly monitoring be possible.Particularly component fracture is determined in a straightforward manner by corresponding rupture sensors, and this rupture sensors is embodied as the wire extended through component, because interruption wiry is determined by simple short circuit wiry under component crack conditions.In addition, Operational Limits can be detected by sensor.In the case of a centrifugal pump, described Operational Limits is such as rotating speed, power demand or use endurance.This makes strongly to depend on that the other monitoring of the component of these parameters becomes possibility to its state.
It is possible that sensor detects the characteristic of fed sheet of a media in another expansion scheme.In the case, such as, can determine the viscosity of medium, temperature or concentration, they are then by microprocessor analysis.The analysis result of microprocessor is transferred to outside.
In addition, the method utilizing aforementioned means to monitor component should be described, in the method the inquiry of at least one sensor be carried out with the interval of periodically repeating.Measured sensing data compares with the rating value from rating value storage and sends signal when exceeding threshold value to receiving element.Alternatively it is possible that send signal constantly, the functional of launcher can be determined whereby.No longer sending signal when exceeding threshold value, showing there is interference whereby, it makes to need to check centrifugal pump or equipment.
Receiving element receive noise continuously and targetedly according to possible shot noise, given frequency and pulse shape can carry out filtering.If determine signal, so this signal is analyzed and or show over the display and/or be transmitted to higher level equipment control gear.
In another expansion scheme of this method, use the information considering the ambient noise of centrifugal pump or equipment when signal analysis.Error can be reduced whereby.
In addition, the present invention includes the impeller of centrifugal pump, this impeller is equipped with the device for means monitors.This simple and device of low cost makes it possible to contactlessly monitor impeller, in contactless or wireless Signal transmissions situation, wherein neither needs the characteristic considering fed sheet of a media, also do not need to consider the electromagnetic effect from centrifugal pump environment.
When impeller by polymer material, be especially made up of polymer-concrete or mineral casting time, be specially suitable for the device being used for means monitors is integrated in impeller.These materials are cold cast, and making does not need the special protection to poured into a mould first module.
Other mode of execution draws from the mode of execution combination illustrated up to now, does not therefore here further describe.
Accompanying drawing explanation
The embodiment of the present invention is shown in the drawings and be discussed in more detail below.
Embodiment
Fig. 1 shows for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, and this device is made up of the first module 1 be fixedly linked with component to be monitored.Except with except the layout of component direct neighbor, also there is possibility first module be directly combined in this component.This such as when this component by can at lower temperature time the mould material poured into a mould form time provide, this mould material is such as polymer material, especially polymer-concrete or mineral casting.For this reason, complete configuration, first module that is self-centered and wireless design is such as poured in centrifugal pump impeller.In order to this component of simplicity of illustration does not draw itself.
First module 1 comprises the sensor 2 for detection member characteristic, and this sensor 2 is connected with first module 1 at sensor connecting end 3 place.It is also possible that multiple sensor 2 is connected with first module 1.Such as temperature transducer, pressure transducer and/or material sensors or other sensors can be considered as sensor 2.Depict rupture sensors in the drawings, the wire extended by the region of risk of breakage that it passes component by least one forms.If in a formation crack, position on component, wire extends through this position, so wire ruptures and interrupts along this electrical conduction wiry under expansion situation is continued in crack.Crack can be detected simply in this way in component.In addition, the continuation can observing crack in multiple wire situation be connected in parallel expands.
Analysis result is also transmitted to transmitter unit 5 by the data recorded by sensor 2 for microprocessor 4 Direct Analysis of analyte sensors signal, and this transmitter unit 5 is for being transferred to the receiving element be spatially separated with monitored component.The frequency of sensor query depends on the probability of the event of expectation.This frequency obviously affects energy requirement.Less inspection frequency causes long battery and when the time-out internal conversion of this system between twice inquiry improves further to when energy saver mode or closedown.
According to the flexible program that the means monitors by sound type data transmission of the present invention is in the inner most safety of used structure and least cost.Signal 8 can be configured to comprise the voice message telegram of different frequency, pulse sequence or their combination.Erroneous transmissions can be avoided by repeating same signal.The enforcement forming the sound generator of transmitter unit 5 in the present embodiment depends on information waiting for transmission, the frequency used and fed sheet of a media around, strongly because this fed sheet of a media must be passed by signal 8.It should be noted that first this signal must leave this component when embedded first module in the case, wherein between solid element and liquid or the transmission medium with solid, transition occurs.When second unit is equally also integrated in solid element, such as integrated in the housing time, or when on the outside that second unit is placed in housing in sound action radius, there is the other transition of signal.In addition, first module 1 installs energy supply source 6.For this reason, as or obtained the device of energy from the impeller rotated from the temperature distribution in impeller, battery is equally also suitable for.
Fig. 1 further illustrates the second unit 9 being equipped with receiving element 10.When being used in centrifugal pump described second unit 9 to be arranged in pump case or on.Respectively according to being equipped with protection by the load of fed sheet of a media to receiving element.As provided in first module 1, second unit 9 is directly poured in pump case.Receiving element 10 is coordinated with transmitter 5 in its detectable frequency range.The signal detected is input in analytic unit 11.In the illustrated embodiment, analysis result directly in the display of pump place, can arrange corresponding display unit 12 for this reason.This display can be sound type or optical profile type carry out.Alternatively there is possibility analysis result being transmitted to higher level equipment control gear, connecting end 13 is set for this reason.
Reference numerals list
1 first module
2 sensors
3 sensor connecting ends
4 microprocessors
5 transmitter units
6 energy supply source
7 transmission distances
8 signals
9 second units
10 receiving elements
11 analytic units
12 display devices
13 connecting ends
Claims (16)
1. one kind for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, described device is made up of the first module (1) be fixedly linked with component to be monitored and second unit (9), described first module (1) comprises energy supply source (6), at least one sensor (2), microprocessor (4), for signal (8) being transferred to the transmitter unit (5) of the receiving element be spatially separated with monitored component, described second unit (9) comprises receiving element (10), for analyze transmitted signal (8) device (11) and for the device (12) that shows detected elements characteristic and/or the device (13) for forwarding detected elements characteristic, it is characterized in that, the transmission sound type ground of described signal (8), namely carry out by means of sound wave.
2. according to claim 1 for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, it is characterized in that, that the transmission distance (7) between described transmitter unit (5) and described receiving element (10) is arranged liquid with acoustic conductive media that is solid.
3. according to claim 1 and 2 for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, it is characterized in that, the microprocessor (4) of described first module (1) is containing rating value storage.
4. according to one of claim 1 to 2 Suo Shu for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, wherein the frequency of Signal transmissions and the frequency of phase place and System noise have deviation.
5. according to one of claim 1 to 2 Suo Shu for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, it is characterized in that, described second unit (9) place is provided with the sonic sensor for testing environment noise.
6. according to one of claim 1 to 2 Suo Shu for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, wherein said first module (1) is integrated in component.
7. according to claim 6 for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, wherein said first module (1) is poured in component.
8. according to one of claim 1 to 2 Suo Shu for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, wherein said sensor (2) detects the Operational Limits of centrifugal pump or equipment.
9. according to one of claim 1 to 2 Suo Shu for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, described sensor (2) detects the elements characteristic of centrifugal pump or equipment.
10. according to claim 9 for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, wherein said sensor (2) is rupture sensors.
11. according to one of claim 1 to 2 Suo Shu for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump, wherein said sensor (2) detects the characteristic of fed sheet of a media.
12. 1 kinds utilize the method according to the assembly monitor rotary type component one of claim 1 to 11 Suo Shu, it is characterized in that, the inquiry of at least one sensor (2) is carried out with the interval of periodically repeating, wherein sensing data compares with the rating value from rating value storage and sends signal (8) when exceeding threshold value to receiving element (10), wherein said receiving element (10) analyzes this signal (8), and shows described signal (8) over the display and/or described signal (8) is transmitted to higher level equipment control gear.
The method of 13. utilized device monitoring rotary type components according to claim 12, is characterized in that, use the information of the ambient noise considering centrifugal pump or equipment in order to analytic signal.
The runner of 14. 1 kinds of centrifugal pumps, is characterized in that, described runner be equipped with according to one of claim 1 to 11 Suo Shu for monitoring centrifugal pump or comprising the device of the rotary type component in the equipment of centrifugal pump.
15. runners according to claim 14, is characterized in that, described runner is made up of polymer material.
16. runners according to claim 15, is characterized in that, described runner is made up of polymer-concrete.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010049138.1 | 2010-10-22 | ||
| DE102010049138A DE102010049138A1 (en) | 2010-10-22 | 2010-10-22 | Device for pump monitoring |
| PCT/EP2011/066396 WO2012052246A1 (en) | 2010-10-22 | 2011-09-21 | Device for monitoring a pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103249952A CN103249952A (en) | 2013-08-14 |
| CN103249952B true CN103249952B (en) | 2016-01-20 |
Family
ID=44654120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180050630.4A Active CN103249952B (en) | 2010-10-22 | 2011-09-21 | For the device of pump monitoring |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20130230381A1 (en) |
| EP (1) | EP2630372B1 (en) |
| CN (1) | CN103249952B (en) |
| BR (1) | BR112013009576B1 (en) |
| DE (1) | DE102010049138A1 (en) |
| DK (1) | DK2630372T3 (en) |
| MX (1) | MX2013004444A (en) |
| PL (1) | PL2630372T3 (en) |
| RU (1) | RU2559104C2 (en) |
| WO (1) | WO2012052246A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013017828B4 (en) * | 2013-10-24 | 2015-05-13 | Fresenius Medical Care Deutschland Gmbh | Method and device for monitoring an in an extracorporeal blood circulation or arranged in a Dialysatkreislauf impeller pump and blood treatment device |
| WO2015160656A1 (en) * | 2014-04-16 | 2015-10-22 | Flsmidth A/S | Methods and apparatus for the continuous monitoring of wear in flotation circuits |
| DE102016121105A1 (en) * | 2016-11-04 | 2018-05-09 | Endress+Hauser Conducta Gmbh+Co. Kg | Interface for a transmitter |
| DE102017223189A1 (en) * | 2017-12-19 | 2019-06-19 | KSB SE & Co. KGaA | Multi-pump system and method for its operation |
| CN111237209B (en) * | 2020-02-17 | 2021-08-03 | 苏州欣皓信息技术有限公司 | Water pump rotating wheel stability monitoring method and device, electronic equipment and storage medium |
| AT17666U3 (en) * | 2020-03-31 | 2022-12-15 | Tdk Electronics Ag | Acoustic transmission system, primary circuit, secondary circuit, method of transmission and use of an acoustic transmission system |
| CN112879314B (en) * | 2021-01-21 | 2023-08-29 | 西北农林科技大学 | Rear pump cavity pressure analysis device of centrifugal pump |
| CN113295939B (en) * | 2021-03-29 | 2023-01-31 | 一汽奔腾轿车有限公司 | Vacuum pump electromagnetic compatibility test system and control method thereof |
| DE102022130126A1 (en) | 2022-11-15 | 2024-05-16 | KSB SE & Co. KGaA | Method for sensor-based monitoring of at least one rotating machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3753221A (en) * | 1971-08-05 | 1973-08-14 | Bertea Corp | Acoustic control system |
| EP0403806A1 (en) * | 1989-06-21 | 1990-12-27 | WILO GmbH | Centrifugal pump or fan |
| GB2377131A (en) * | 2001-04-23 | 2002-12-31 | Schlumberger Holdings | Subsea communications |
| DE102004010348A1 (en) * | 2004-03-03 | 2005-09-22 | Meri Entsorgungstechnik für die Papierindustrie GmbH | Paper recycling helical compactor blades have embedded transponders that are destroyed on reaching point of maximum allowable wear |
| DE102005041500A1 (en) * | 2005-09-01 | 2007-03-08 | Leybold Vacuum Gmbh | vacuum pump |
| CN2918811Y (en) * | 2006-02-24 | 2007-07-04 | 江苏新腾宇泵阀设备有限公司 | Magnetic pump with whole-course monitoring apparatus |
| DE102008019472A1 (en) * | 2008-04-17 | 2009-10-22 | Oerlikon Leybold Vacuum Gmbh | vacuum pump |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59190743A (en) * | 1983-04-13 | 1984-10-29 | Matsushita Seiko Co Ltd | Remote controller of wall type equipment |
| US4680584A (en) * | 1985-05-03 | 1987-07-14 | The United States Of America As Represented By The Secretary Of The Navy | Acoustic prelaunch weapon communication system |
| IT1228845B (en) | 1989-02-22 | 1991-07-05 | Nuovo Pignone Spa | CONTINUOUS CAVITATION DETECTOR-MEASURER IN DYNAMIC PUMPS. |
| RU2090853C1 (en) * | 1993-08-06 | 1997-09-20 | Павел Анатольевич Давыдов | Method of vibroacoustic diagnosis of machinery |
| DE19630990A1 (en) * | 1996-07-31 | 1998-02-19 | Siemens Ag | Control and instrumentation system for control and information processing of HV and MV switchgear |
| DE19947129A1 (en) * | 1999-09-30 | 2001-04-05 | Siemens Ag | Diagnosis system, especially for control |
| US6435810B1 (en) * | 2000-10-20 | 2002-08-20 | Delphi Technologies, Inc. | Wear resistant fuel pump |
| US6626042B2 (en) * | 2001-06-14 | 2003-09-30 | Honeywell International Inc. | Communication for water distribution networks |
| DE102007038419B4 (en) * | 2007-08-14 | 2012-08-23 | Epcos Ag | Device and method for transmitting measured data |
| RU2353925C1 (en) * | 2007-09-27 | 2009-04-27 | Борис Максович Бржозовский | Device for contactless high-precision measurement of object physical and technical parameters |
| US7696893B2 (en) * | 2007-10-05 | 2010-04-13 | General Electric Company | Apparatus and related method for sensing cracks in rotating engine blades |
-
2010
- 2010-10-22 DE DE102010049138A patent/DE102010049138A1/en not_active Withdrawn
-
2011
- 2011-09-21 PL PL11758208T patent/PL2630372T3/en unknown
- 2011-09-21 WO PCT/EP2011/066396 patent/WO2012052246A1/en active Application Filing
- 2011-09-21 BR BR112013009576-8A patent/BR112013009576B1/en active IP Right Grant
- 2011-09-21 RU RU2013123455/06A patent/RU2559104C2/en active
- 2011-09-21 EP EP11758208.0A patent/EP2630372B1/en active Active
- 2011-09-21 CN CN201180050630.4A patent/CN103249952B/en active Active
- 2011-09-21 MX MX2013004444A patent/MX2013004444A/en active IP Right Grant
- 2011-09-21 DK DK11758208.0T patent/DK2630372T3/en active
-
2013
- 2013-04-19 US US13/866,664 patent/US20130230381A1/en not_active Abandoned
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3753221A (en) * | 1971-08-05 | 1973-08-14 | Bertea Corp | Acoustic control system |
| EP0403806A1 (en) * | 1989-06-21 | 1990-12-27 | WILO GmbH | Centrifugal pump or fan |
| GB2377131A (en) * | 2001-04-23 | 2002-12-31 | Schlumberger Holdings | Subsea communications |
| DE102004010348A1 (en) * | 2004-03-03 | 2005-09-22 | Meri Entsorgungstechnik für die Papierindustrie GmbH | Paper recycling helical compactor blades have embedded transponders that are destroyed on reaching point of maximum allowable wear |
| DE102005041500A1 (en) * | 2005-09-01 | 2007-03-08 | Leybold Vacuum Gmbh | vacuum pump |
| CN101253332A (en) * | 2005-09-01 | 2008-08-27 | 厄利孔莱博尔德真空技术有限责任公司 | Vacuum pump |
| CN2918811Y (en) * | 2006-02-24 | 2007-07-04 | 江苏新腾宇泵阀设备有限公司 | Magnetic pump with whole-course monitoring apparatus |
| DE102008019472A1 (en) * | 2008-04-17 | 2009-10-22 | Oerlikon Leybold Vacuum Gmbh | vacuum pump |
Also Published As
| Publication number | Publication date |
|---|---|
| PL2630372T3 (en) | 2016-05-31 |
| BR112013009576B1 (en) | 2021-06-29 |
| BR112013009576A8 (en) | 2018-07-31 |
| US20130230381A1 (en) | 2013-09-05 |
| RU2559104C2 (en) | 2015-08-10 |
| RU2013123455A (en) | 2014-11-27 |
| BR112013009576A2 (en) | 2016-07-12 |
| EP2630372B1 (en) | 2015-11-18 |
| WO2012052246A1 (en) | 2012-04-26 |
| EP2630372A1 (en) | 2013-08-28 |
| CN103249952A (en) | 2013-08-14 |
| MX2013004444A (en) | 2013-07-29 |
| DE102010049138A1 (en) | 2012-04-26 |
| DK2630372T3 (en) | 2016-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103249952B (en) | For the device of pump monitoring | |
| US7624800B2 (en) | System and method for sensing parameters in a wellbore | |
| CN105089718B (en) | Embedded type wireless sensing device for turbine components defect inspection | |
| US10677699B2 (en) | Wear sensor and the corresponding wear element, assembly and use | |
| US8604776B2 (en) | Power transmission monitoring and maintenance systems and methods | |
| CN205992042U (en) | For monitoring the state monitoring apparatus of motor | |
| EP2508364A1 (en) | Improvements in or relating to micro-power systems for a self-powered monitoring sensor | |
| ES2875505T3 (en) | Sensor assembly, device and method for determining vibrations of a measurement object, and measurement object that has at least one sensor assembly of this type | |
| CN107192555A (en) | The detection means and method of bearing | |
| US10215012B2 (en) | Apparatus and method of monitoring a rod pumping unit | |
| US11073149B2 (en) | Pressure pump connecting rod monitoring | |
| AU2020395182B9 (en) | Operational condition monitoring system | |
| CN207123598U (en) | Configurable state monitoring apparatus | |
| CN207832226U (en) | State monitoring apparatus | |
| KR101999432B1 (en) | System and Method for Magnetic Field to Flutter Measurement of A Turbine Blade | |
| US20160125719A1 (en) | Rfid enabled machine condition indicator and associated system for monitoring a health status of a bearing | |
| EP3379208B1 (en) | Magnetic field communication system and method | |
| CN103782360B (en) | For handling the motor-driven system of shunting switch | |
| KR101357207B1 (en) | Real time monitoring system for the rotating component in the motor | |
| CN206906025U (en) | The detection means of bearing | |
| CN206974689U (en) | For monitoring the state monitoring apparatus of motor | |
| US20230115742A1 (en) | Transmission belt | |
| EP4080409A1 (en) | Conduit with radio frequency identification (rfid) enabled sensor | |
| EP3007372B1 (en) | Transmission of information over a functional structure having a different function | |
| AU2023254955A1 (en) | Conveyor Pulley Lagging Wear Monitoring System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |