CN203879692U - Impeller condition monitoring system - Google Patents
Impeller condition monitoring system Download PDFInfo
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- CN203879692U CN203879692U CN201420326510.3U CN201420326510U CN203879692U CN 203879692 U CN203879692 U CN 203879692U CN 201420326510 U CN201420326510 U CN 201420326510U CN 203879692 U CN203879692 U CN 203879692U
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- condition monitoring
- blade
- impeller
- vibration transducer
- monitoring system
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 81
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000246 remedial effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- Y02E10/722—
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model provides an impeller condition monitoring system. An impeller comprises a plurality of blades and a hub; the impeller condition monitoring system comprises at least one first vibration sensor arranged on every one of the plurality of blades and a state monitoring data acquisition unit arranged in the hub; the at least one first vibration sensor is electrically connected with the state monitoring data acquisition unit. The impeller condition monitoring system is used for monitoring the condition of the impeller by use of the vibration sensors arranged at the blades and the hub, thereby pre-warning a fault, or in case of a small fault, a remedial action is taken, and consequently, the operation and maintenance cost of a fan can be reduced.
Description
Technical field
The utility model relates to wind power technology field, relates in particular to a kind of impeller condition monitoring system.
Background technique
The impeller part of wind power generating set mainly comprises that blade and wheel hub, blade are the parts of the absorption wind energy of wind-driven generator, and wheel hub is for the parts of blade and blower variable-pitch mechanism are installed.From complete machine dynamics and loading analysis, impeller (comprising blade) part is being born more than 90% load of complete machine, stressed complexity, environmental working condition is severe, especially blade, is the most complicated stressed parts, and blade ceaselessly rotates, load has alternation and randomness, and various excitation forces are all to pass by blade.The ceaselessly rotation in fan operation process of the impeller part of wind power generating set, blade becomes oar with the size of wind speed simultaneously, this is all disadvantageous for signal transmission and collection, and prior art does not yet partly have reliable method to carry out Real-Time Monitoring to impeller.
Model utility content
Embodiment of the present utility model provides a kind of impeller condition monitoring system, realizes impeller is partly carried out to Real-Time Monitoring, reduces fan operation maintenance cost.
For achieving the above object, embodiment of the present utility model adopts following technological scheme:
A kind of impeller condition monitoring system, impeller comprises: a plurality of blades and wheel hub, this impeller condition monitoring system comprises: be arranged at least one first vibration transducer on each blade in described a plurality of blade, be arranged on the second vibration transducer in described wheel hub and be arranged on the Condition Monitoring Data collector in described wheel hub, described at least one first vibration transducer, described the second vibration transducer are electrically connected to described Condition Monitoring Data collector.
Further, described impeller condition monitoring system also comprises: be arranged on the second vibration transducer in described wheel hub, described the second vibration transducer is electrically connected to described Condition Monitoring Data collector.
Preferably, described at least one first vibration transducer is specially a three-way vibration sensor, and described three-way vibration sensor sticks on the blade root 1/3 length of blade place of the described blade of distance or the largest chord strong point of described blade.
Preferably, described at least one first vibration transducer is specially two single vibration sensors, described two single vibration sensors stick on the blade root 1/3 length of blade place of the described blade of distance or the largest chord strong point of described blade, and stick on two sides of described blade.
Preferably, described at least one first vibration transducer is specially one two to vibration transducer, and described two stick on the blade root 1/3 length of blade place of the described blade of distance or the largest chord strong point of described blade to vibration transducer.
Preferably, described Condition Monitoring Data collector is fixed on the center of described wheel hub.
Preferably, described the second vibration transducer sticks on the greatest circle inner side of described wheel hub.
Further, described at least one first vibration transducer is electrically connected to by anti-torsion cable with described Condition Monitoring Data collector.
Preferably, described anti-torsion cable is pressed curved cabling in described blade.
Further, described impeller condition monitoring system also comprises elastic mechanism, and described elastic mechanism is fixed on the joint of described blade and described wheel hub.
Preferably, described anti-torsion cable is wrapped on described elastic mechanism.
Further, described impeller condition monitoring system also comprises: data sink, is electrically connected to described Condition Monitoring Data collector.
Further, described data sink comprises: eliminator and wireless signal transmitting module, and described eliminator is electrically connected to described Condition Monitoring Data collector, and described wireless signal transmitting module is electrically connected to described eliminator.
The impeller condition monitoring system that model utility embodiment of the present invention provides, by the first vibration transducer being set at blade place, in wheel hub, the second vibration transducer being set monitors the state of blade and wheel hub respectively, thereby can give warning in advance to fault, or, when fault is lighter, adopt remedial measures, and then reduced fan operation maintenance cost.
Accompanying drawing explanation
The circuit structure diagram of the impeller condition monitoring system that Fig. 1 provides for embodiment of the utility model.
The circuit structure diagram of the impeller condition monitoring system that Fig. 2 provides for another embodiment of the utility model.
Fig. 3 is the plan view being arranged on impeller embodiment illustrated in fig. 2.
Fig. 4 is the right elevation being arranged on impeller embodiment illustrated in fig. 2.
The structural representation of the impeller condition monitoring system that Fig. 5 provides for another embodiment of the utility model.
Drawing reference numeral explanation:
10-blade; 20-wheel hub; 111-the first vibration transducer; 112-the first vibration transducer; 113-the second vibration transducer; 12-Condition Monitoring Data collector; 13-data sink; 131-eliminator; 132-wireless signal transmitting module; 14-anti-torsion cable; 15-elastic mechanism; 16-set engine room control cabinet; 17-customer equipment.
Embodiment
Impeller condition monitoring system the utility model embodiment being provided below in conjunction with accompanying drawing is described in detail.
The circuit structure diagram of the impeller condition monitoring system that Fig. 1 provides for embodiment of the utility model, as shown in Figure 1, impeller condition monitoring system comprises: at least one first vibration transducer (for example, the first vibration transducer 111, the first vibration transducer 112), the second vibration transducer 113, Condition Monitoring Data collector 12, the first vibration transducer 111, the first vibration transducer 112, the second vibration transducer 113 is electrically connected to Condition Monitoring Data collector 12, the second vibration transducer 113 is all arranged in wheel hub with Condition Monitoring Data collector 12, the first vibration transducer 111, the first vibration transducer 112 is specifically arranged on same blade.
The impeller condition monitoring system that the utility model embodiment provides, by vibration transducer being set (particularly at blade and wheel hub, the first vibration transducer 111, the first vibration transducer 112, the second vibration transducer 113) state of impeller is monitored, thereby can give warning in advance to fault, or, when fault is lighter, adopt remedial measures, and then reduced fan operation maintenance cost.
It will be understood by those skilled in the art that, can also be only by least the first vibration transducer be set on each blade in a plurality of blades, by at least one first vibration transducer, obtain the vibration data of blade, and the vibrational state of blade is carried out to Real-Time Monitoring.Or, can also only by the second vibration transducer is set in wheel hub, obtain the vibration data of wheel hub, thereby the vibrational state of wheel hub is carried out to Real-Time Monitoring.
Further, above-mentioned embodiment illustrated in fig. 1 in, the first vibration transducer 111, the first vibration transducer 112 are specifically as follows three-way vibration sensor, also can be for two to vibration transducer, if three-way vibration sensor, on blade, can only paste the first vibration transducer 111 or the first vibration transducer 112, or the first vibration transducer 111 and the first vibration transducer 112 all stick on blade, if the first vibration transducer 111 and the first vibration transducer 112 all stick on blade, the first vibration transducer 111, the first vibration transducer 112 can stick on respectively apart from the blade root 1/3 length of blade place of blade and the largest chord strong point of blade, for example, length of blade is 90 centimetres, the first vibration transducer 111, a vibration transducer in the first vibration transducer 112 can stick on distance blade root 30 centimeters on blade, due to the blade root 1/3 length of blade place apart from blade, this vibration transducer can get the vibration data from blade root and place, blade neutral position, therefore the utility model embodiment can avoid pasting respectively blade root and place, blade neutral position the vibration data that vibration transducer obtains this two place, reduced the usage quantity of vibration transducer, thereby can reduce costs, another one vibration transducer sticks on the largest chord strong point of blade, because the vibration of the largest chord strong point of blade is comparatively obvious, and vibration more easily causes leaf destruction, therefore by vibration transducer being sticked on to the largest chord strong point of blade, can get the more accurate vibration data of blade.In addition, in order to make vibration transducer get more accurate vibration data, can adopt a plurality of three-way vibration sensors, and stick on positions different on blade, for example, at the blade root place of blade, also paste three-way vibration sensor.If two to vibration transducer, bonding method is identical with the mode of above-mentioned three-way vibration sensor, does not repeat them here.
Alternatively, at least one first vibration transducer is specially two single vibration sensors, two single vibration sensors stick on the blade root 1/3 length of blade place of the described blade of distance or the largest chord strong point of described blade, and stick on two sides of described blade, thereby can get the shimmy direction of blade and wave the vibration data of direction by two unilateral transducers.Similarly, in order to make vibration transducer get more accurate vibration data, more single vibration sensors are pasted in position that can be different on blade, for example, at the blade root place of blade, also paste two single vibration sensors, and stick on two sides of blade, thereby can get the vibration data at blade root place.
The circuit structure diagram of the impeller condition monitoring system that Fig. 2 provides for another embodiment of the utility model; As shown in Figure 2, on above-mentioned basis embodiment illustrated in fig. 1, impeller condition monitoring system also comprises: data sink 13, and data sink 13 is electrically connected to Condition Monitoring Data collector 12, for receiving the oscillating signal from Condition Monitoring Data collector 12; Further, data sink 13 comprises: eliminator 131 and wireless signal transmitting module 132, and eliminator 131 is electrically connected to Condition Monitoring Data collector 12, and wireless signal transmitting module 132 is electrically connected to eliminator 131.Preferably, wireless signal transmitting module 132 is specifically as follows the wireless communication modules such as 3G network interface card, Wireless Fidelity (Wireless Fidelity, referred to as WIFI) network interface card.
On the basis of above-mentioned useful technique effect embodiment illustrated in fig. 1, the present embodiment is owing to having increased eliminator 131, thereby the vibration data that can collect by vibration transducer (the first vibration transducer 111, the first vibration transducer 112, the second vibration transducer 113) Condition Monitoring Data collector 12 carries out digital filtering denoising, by the vibration data after digital filtering being carried out to time-domain waveform analysis and Fourier transformation (FFT) frequency analysis, to determine whether blade and wheel hub have abnormal vibrations frequency and impact signal; By wireless signal transmitting module 132 is installed in data sink 13, thereby filtered vibration data can be transferred to customer equipment by wireless technology.
Fig. 3 is the plan view being arranged on impeller embodiment illustrated in fig. 2, and Fig. 4 is the right elevation being arranged on impeller embodiment illustrated in fig. 2; As shown in Figure 3 and Figure 4, impeller comprises: blade 10 and wheel hub 20; In one embodiment, on blade 10, can paste the first vibration transducer 111 and the first vibration transducer 112, and vibration transducer 111 and the first vibration transducer 112 are two to vibration transducer, a vibration transducer in the first vibration transducer 111 and the first vibration transducer 112 sticks on blade root 1/3 place of the described blade of distance, and another vibration transducer sticks on the largest chord strong point of described blade.The utility model embodiment only carries out exemplary illustration to be pasted with two two on blade to vibration transducer, in Fig. 1～Fig. 4 and a not shown three-way vibration sensor, it will be understood by those skilled in the art that, by giving an example in Fig. 1～Fig. 4, can design equally the circuit structure of a three-way vibration sensor.In addition, it will be understood by those skilled in the art that, in Fig. 3 and Fig. 4, only on blade 10, paste one or two vibration transducers and carry out exemplary illustration, the utility model embodiment is not subject to the restriction of the number of the vibration transducer of stickup on Fig. 3 and Fig. 4 Leaf 10.
Preferably, Condition Monitoring Data collector 12 is fixed on the center of wheel hub 20.By Condition Monitoring Data collector 12 being fixed on to the center of wheel hub 20; can make the suffered centrifugal force of Condition Monitoring Data collector 12 as far as possible little; avoid excessive centrifugal force to damage impeller condition monitoring system, thereby protection impeller condition monitoring system is not destroyed in the process of image data.Correspondingly, the second vibration transducer 113 sticks on the greatest circle inner side of wheel hub 20, because the greatest circle inner side of wheel hub 20 is the most responsive to the vibration of wheel hub 20, therefore the greatest circle inner side that the second vibration transducer 113 is arranged on to wheel hub 20 can obtain the vibrational state of wheel hub 20 more accurately, reduces the error of vibration data.
Further, the first vibration transducer 111, the first vibration transducer 112 are all electrically connected to by anti-torsion cable 14 with Condition Monitoring Data collector 12.Preferably, anti-torsion cable 14 is pressed curved cabling in blade 10, and this curved is specifically as follows " S " bent type.By anti-torsion cable 14 is pressed to curved cabling, can avoid blade 10 in swing process owing to being pullled and being out of shape by circuit, the circuit of the first vibration transducer 111, the first vibration transducer 112 is pulled apart, guarantee the normal work of whole circuit.
Further, impeller condition monitoring system also comprises elastic mechanism 15, and elastic mechanism 15 is fixed on the joint of blade 10 and wheel hub 20, and more specifically, one end of elastic mechanism 15 is connected to the root cover plate place of blade 10, and the other end is connected to wheel hub 20 places.Further, anti-torsion cable 14 is wrapped on elastic mechanism 15.In embodiments of the present invention, owing to there being the relative movement that becomes oar between blade 10 and wheel hub 20, in order to prevent the first vibration transducer 111, the first vibration transducer 112 is pulled because the motion of change oar causes sensor cable to be turned round in this link, by increasing elastic mechanism 15 in blade 10 and the joint of wheel hub 20, can be so that anti-torsion cable 14 leaves enough surpluses on elastic mechanism 15, because elastic mechanism 15 has stretchability, thereby the first vibration transducer 111 in the time of can avoiding blade 10 to become oar, the first vibration transducer 112 is turned round and is pulled, more specifically, elastic mechanism 15 is coil tension spring.
It will be understood by those skilled in the art that, the passage number of Condition Monitoring Data collector 12, sample frequency, antijamming capability, the selection of the above parameters such as the sensitivity of the first vibration transducer 111, the first vibration transducer 112, the second vibration transducer 113, maximum range, Hz-KHz, suitable environment, need consider according to the information of the design parameter of unit and wind field, select optimal equipment, the utility model is embodiment do not limit this.
The structural representation of the impeller condition monitoring system that Fig. 5 provides for another embodiment of the utility model, as shown in Figure 5, at blade 10, vibration transducer is set (particularly with wheel hub 20 places, the first vibration transducer 111, the first vibration transducer 112, the second vibration transducer 113) obtain the vibration data of blade 10 and wheel hub 20, Condition Monitoring Data collector 12 and the first vibration transducer 111, the first vibration transducer 112, the second vibration transducer 113 is electrically connected to, and gather from the first vibration transducer 111, the first vibration transducer 112, the vibration data of the second vibration transducer 113, data sink 13 is electrically connected to Condition Monitoring Data collector 12, and reception is from the vibration data of Condition Monitoring Data collector 12, vibration data is sent to customer equipment 17 by wired or wireless mode, customer equipment 17 can extract the vibration performance value of blade 10 and wheel hub 20 from the vibration data of a large amount of sign status monitorings, compressor emergency shutdown when the vibration of blade 10 and wheel hub 20 surpasses setting threshold values.In addition, set engine room control cabinet 16 is electrically connected to data sink 13, master control logic controller in set engine room control cabinet 16 obtains unit data, according to unit data, get rid of the abnormal vibrations obtaining in vibration data, particularly, utilize the quantity of state that becomes oar and driftage, get rid of the vibration and shock signal in set pitch control and driftage process, and this vibration and shock signal is sent to customer equipment 17, customer equipment 17 obtains after vibration data, carry out data analysis, utilize the vibration frequency variation of blade 10 and wheel hub 20 and the oscillating signal of time-domain diagram to carry out fault diagnosis, thereby can give warning in advance to fault, or, when fault is lighter, adopt remedial measures, and then reduced the maintenance cost of fan operation.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (13)
1. an impeller condition monitoring system, described impeller comprises: a plurality of blades and wheel hub, it is characterized in that, described impeller condition monitoring system comprises: be arranged at least one first vibration transducer on each blade in described a plurality of blade and be arranged on the Condition Monitoring Data collector in described wheel hub, described at least one first vibration transducer is electrically connected to described Condition Monitoring Data collector.
2. impeller condition monitoring system according to claim 1, it is characterized in that, described impeller condition monitoring system also comprises: be arranged on the second vibration transducer in described wheel hub, described the second vibration transducer is electrically connected to described Condition Monitoring Data collector.
3. impeller condition monitoring system according to claim 1, it is characterized in that, described at least one first vibration transducer is specially a three-way vibration sensor, and described three-way vibration sensor sticks on the blade root 1/3 length of blade place of the described blade of distance or the largest chord strong point of described blade.
4. impeller condition monitoring system according to claim 1, it is characterized in that, described at least one first vibration transducer is specially two single vibration sensors, described two single vibration sensors stick on the blade root 1/3 length of blade place of the described blade of distance or the largest chord strong point of described blade, and stick on two sides of described blade.
5. impeller condition monitoring system according to claim 1, it is characterized in that, described at least one first vibration transducer is specially one two to vibration transducer, and described two stick on the blade root 1/3 length of blade place of the described blade of distance or the largest chord strong point of described blade to vibration transducer.
6. impeller condition monitoring system according to claim 1, is characterized in that, described Condition Monitoring Data collector is fixed on the center of described wheel hub.
7. impeller condition monitoring system according to claim 1, is characterized in that, described the second vibration transducer sticks on the greatest circle inner side of described wheel hub.
8. impeller condition monitoring system according to claim 1, is characterized in that, described at least one first vibration transducer is electrically connected to by anti-torsion cable with described Condition Monitoring Data collector.
9. impeller condition monitoring system according to claim 8, is characterized in that, described anti-torsion cable is pressed curved cabling in described blade.
10. impeller condition monitoring system according to claim 8, is characterized in that, described impeller condition monitoring system also comprises elastic mechanism, and described elastic mechanism is fixed on the joint of described blade and described wheel hub.
11. impeller condition monitoring systems according to claim 10, is characterized in that, described anti-torsion cable is wrapped on described elastic mechanism.
12. according to the arbitrary described impeller condition monitoring system of claim 1～11, it is characterized in that, described impeller condition monitoring system also comprises: data sink, is electrically connected to described Condition Monitoring Data collector.
13. impeller condition monitoring systems according to claim 12, it is characterized in that, described data sink comprises: eliminator and wireless signal transmitting module, described eliminator is electrically connected to described Condition Monitoring Data collector, and described wireless signal transmitting module is electrically connected to described eliminator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326510.3U CN203879692U (en) | 2014-06-18 | 2014-06-18 | Impeller condition monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326510.3U CN203879692U (en) | 2014-06-18 | 2014-06-18 | Impeller condition monitoring system |
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| Publication Number | Publication Date |
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| CN203879692U true CN203879692U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420326510.3U Expired - Lifetime CN203879692U (en) | 2014-06-18 | 2014-06-18 | Impeller condition monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781118A (en) * | 2017-10-25 | 2018-03-09 | 西安锐益达风电技术有限公司 | Blade of wind-driven generator health status monitoring system based on multi-sensor information |
| CN107829885A (en) * | 2017-10-25 | 2018-03-23 | 西安锐益达风电技术有限公司 | A kind of blade of wind-driven generator vibration monitoring and system for considering ambient parameter amendment |
| CN110685869A (en) * | 2019-11-19 | 2020-01-14 | 中国船舶重工集团海装风电股份有限公司 | Fault diagnosis method, device and equipment for wind turbine generator |
| CN117646707A (en) * | 2024-01-30 | 2024-03-05 | 安徽容知日新科技股份有限公司 | Fan hub monitoring method, device, equipment and storage medium |
-
2014
- 2014-06-18 CN CN201420326510.3U patent/CN203879692U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781118A (en) * | 2017-10-25 | 2018-03-09 | 西安锐益达风电技术有限公司 | Blade of wind-driven generator health status monitoring system based on multi-sensor information |
| CN107829885A (en) * | 2017-10-25 | 2018-03-23 | 西安锐益达风电技术有限公司 | A kind of blade of wind-driven generator vibration monitoring and system for considering ambient parameter amendment |
| CN107781118B (en) * | 2017-10-25 | 2019-11-05 | 西安锐益达风电技术有限公司 | Blade of wind-driven generator health status monitoring system based on multi-sensor information |
| CN107829885B (en) * | 2017-10-25 | 2020-04-07 | 西安锐益达风电技术有限公司 | Wind driven generator blade vibration monitoring and system considering environmental parameter correction |
| CN110685869A (en) * | 2019-11-19 | 2020-01-14 | 中国船舶重工集团海装风电股份有限公司 | Fault diagnosis method, device and equipment for wind turbine generator |
| CN117646707A (en) * | 2024-01-30 | 2024-03-05 | 安徽容知日新科技股份有限公司 | Fan hub monitoring method, device, equipment and storage medium |
| CN117646707B (en) * | 2024-01-30 | 2024-04-19 | 安徽容知日新科技股份有限公司 | Fan hub monitoring method, device, equipment and storage medium |
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