CN215521136U - Fault monitoring device of wind turbine generator - Google Patents
Fault monitoring device of wind turbine generator Download PDFInfo
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- CN215521136U CN215521136U CN202120520888.7U CN202120520888U CN215521136U CN 215521136 U CN215521136 U CN 215521136U CN 202120520888 U CN202120520888 U CN 202120520888U CN 215521136 U CN215521136 U CN 215521136U
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Abstract
The utility model discloses a fault monitoring device of a wind turbine generator, which comprises a supporting pipe, wherein the supporting pipe is connected with a case, a generator is arranged in the case, the generator is connected with a first rotating shaft, the first rotating shaft is connected with a gear box, the gear box is connected with a second rotating shaft, the second rotating shaft penetrates through the case and is connected with an installing head, the installing head is connected with a blade, the bottom of the case is provided with a blade rotating speed detection component, a vibration detection component is arranged in the case, the top of the case is provided with a wind speed detection component, and a noise detection component and a motor rotating speed detection component are arranged in the case; the vibration of the rotating shaft is detected through the vibration detection assembly, a signal is transmitted to an external terminal when abnormal vibration occurs, noise inside the case is detected through the noise detection assembly, whether faults exist inside the case is judged according to the noise, whether the faults of the blades and the generator occur is judged through respectively detecting the wind speed, the rotating speed of the blades and the rotating speed of a motor of the generator, and the fault monitoring effect on the wind turbine generator is good.
Description
Technical Field
The utility model relates to the technical field of wind turbine generator fault monitoring, in particular to a fault monitoring device of a wind turbine generator.
Background
With the change of wind power generation technology and the continuous shortage of domestic high-quality wind power resources, in recent years, wind generating sets of large-megawatt and low-wind-speed type are on the rise, and the research and development and production of offshore large-megawatt compact units are substantially advanced. The wind power generation power supply comprises a wind generating set, a tower frame for supporting the generating set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like; the wind generating set comprises a wind wheel and a generator; the wind wheel comprises blades, a hub, a reinforcing member and the like; it has the functions of wind driven blade rotation to generate electricity, generator head rotation, etc.
In the operation process of wind turbine generator system, some components and parts of wind turbine generator system may break down, if these troubles do not in time discover and maintain, can lead to wind turbine generator system's damage, among the prior art, generally detect wind turbine generator system whether have the trouble through regularly patrolling wind turbine generator system, not only need extravagant more manpower, also comparatively general to wind turbine generator system's fault detection effect simultaneously, comparatively inconvenient to wind turbine generator system's fault monitoring.
Based on the above, the utility model designs a fault monitoring device of a wind turbine generator set, so as to solve the above mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fault monitoring device of a wind turbine generator, which detects the vibration condition of a rotating shaft in a case through a vibration detection component, transmits a signal to an external terminal when abnormal vibration occurs, detects noise in the case through a noise detection component, judges whether a fault exists in the case according to noise decibels, detects the wind speed, the rotating speed of a blade and the rotating speed of a generator motor respectively, compares the wind speed, the rotating speed of the blade and the rotating speed of the generator motor, judges whether the blade and the generator are in fault, has good fault monitoring effect on the wind turbine generator, is very convenient to use, and solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a fault monitoring device of a wind turbine generator comprises a supporting pipe, wherein the top end of the supporting pipe is fixedly connected with a machine case, a generator is arranged on the right side in the case, a first rotating shaft is connected on the generator and is connected with a gear box, the gear box is connected with a second rotating shaft which passes through the left side of the case and is fixedly connected with an installing head, the mounting head is rotatably connected with the case, the mounting head is fixedly connected with a blade, the left side of the bottom of the case is provided with a blade rotating speed detection component, the top wall in the case is fixedly connected with an installation block, the bottom of the installation block is provided with a vibration detection component, the wind speed detection device is characterized in that a rotating sleeve is fixedly connected to the second rotating shaft and connected with a vibration detection assembly, a wind speed detection assembly is arranged at the top of the case, and a noise detection assembly and a motor rotating speed detection assembly are arranged in the case.
Preferably, the blade rotating speed detection assembly comprises a fixed plate, the fixed plate is fixedly connected with the bottom of the case, the blade rotating speed detector is installed on the left side of the fixed plate, the blade signal transmitter is installed on the right side of the fixed plate, and the blade rotating speed detector and the blade signal transmitter are electrically connected.
Preferably, the vibration detection assembly comprises an insulating shell, the insulating shell is connected with the installation block, a detection rod penetrates the bottom of the insulating shell, an embedding groove is formed in the bottom end of the detection rod, a ball is arranged in the embedding groove, the ball is contacted with the rotating sleeve, a metal sheet is fixedly connected to the top of the detection rod, a spring is fixedly connected to the bottom end of the metal sheet, the bottom end of the spring is connected with the inner bottom wall of the metal sheet, a first electric contact block is arranged on the left side of the upper portion in the insulating shell, and a second electric contact block is arranged on the right side of the upper portion in the insulating shell.
Preferably, the top wall is equipped with battery and vibrations signal transmitter in the insulating casing, the positive pole of battery is connected with electricity between vibrations signal transmitter and the first electric contact piece, the negative pole of battery is connected with electricity between the second electric contact piece.
Preferably, the wind speed detection assembly comprises a wind speed detector, a wind speed signal emitter and a telescopic rod, the wind speed detector, the wind speed signal emitter and the telescopic rod are fixedly connected with the top of the case, a rain shielding plate is fixedly connected to the top of the telescopic rod and located above the wind speed detector and the wind speed signal emitter, and the wind speed detector and the wind speed signal emitter are electrically connected.
Preferably, the telescopic link includes the outer pole, outer pole and quick-witted case top fixed connection, it has interior pole to peg graft in the outer pole, interior pole top and dash board bottom fixed connection, it has the multiunit draw-in groove to open on the interior pole, it has the bayonet lock to pass on the outer pole, bayonet lock and draw-in groove looks block.
Preferably, the noise detection assembly comprises a noise detector and a noise signal emitter, the noise detector and the noise signal emitter are both mounted on the left inner wall of the case, and the noise detector and the noise signal emitter are electrically connected.
Preferably, the motor speed detection assembly comprises a motor speed detector and a motor signal emitter, the motor speed detector is mounted on the top wall of the chassis and corresponds to the first rotating shaft, and the motor speed detector and the motor signal emitter are electrically connected.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model detects the vibration condition of the rotating shaft in the case through the vibration detection component, transmits a signal to an external terminal when abnormal vibration occurs, detects the noise in the case through the noise detection component, judges whether a fault exists in the case according to noise decibel, respectively detects the wind speed, the rotating speed of the blade and the rotating speed of the motor of the generator, compares the wind speed, the rotating speed of the blade and the rotating speed of the motor of the generator, judges whether the blade and the generator are in fault, has good fault monitoring effect on the wind turbine generator and is very convenient to use.
2. According to the utility model, the blades drive the second rotating shaft to rotate through the mounting head, the second rotating shaft drives the first rotating shaft to rotate through the gear box, the first rotating shaft drives the generator to work, the noise detector detects noise in the case, a detection result is transmitted to the external terminal through the noise signal transmitter, the external terminal judges whether a fault exists in the case according to noise decibels, the motor rotating speed detector detects the rotating speed of the first rotating shaft and transmits the detection result to the external terminal through the motor signal transmitter, and the external terminal compares the rotating speed of the motor with the wind speed and the rotating speed of the blades to judge whether the fault exists in the generator.
3. According to the utility model, when the amplitude of the second rotating shaft is too large, the second rotating shaft presses the ball through the rotating sleeve, the ball drives the metal sheet to move through the detection rod, the spring is stretched, the metal sheet is in contact with the first electric contact block and the second electric contact block, the vibration signal transmitter is electrified and started to transmit a signal to an external terminal, and a worker is reminded that the second rotating shaft is abnormally vibrated, possibly has faults and needs to be checked, so that the larger faults of the wind turbine generator can be avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the case according to the present invention;
FIG. 3 is a schematic view of a vibration detecting assembly according to the present invention;
FIG. 4 is a schematic view of the telescopic rod of the present invention;
FIG. 5 is a block diagram of the detection process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution of a fault monitoring device for a wind turbine generator: comprises a supporting tube 1, the top end of the supporting tube 1 is fixedly connected with a machine case 2, the right side in the machine case 2 is provided with a generator 17, a first rotating shaft 16 is connected to the generator 17, a gear box 13 is connected to the first rotating shaft 16, the gear box 13 is connected with a second rotating shaft 9, the second rotating shaft 9 penetrates through the left side of the case 2 and is fixedly connected with a mounting head 5, the mounting head 5 is rotatably connected with the case 2, the mounting head 5 is fixedly connected with the blade 3, the left side of the bottom of the case 2 is provided with a blade rotating speed detection component 4, the top wall in the case 2 is fixedly connected with an installation block 8, the bottom of the mounting block 8 is provided with a vibration detection component 7, the second rotating shaft 9 is fixedly connected with a rotating sleeve 10, the rotating sleeve 10 is connected with the vibration detection assembly 7, the wind speed detection assembly 6 is arranged at the top of the case 2, and the noise detection assembly and the motor rotating speed detection assembly are arranged in the case 2.
Blade rotational speed determine module 4 includes fixed plate 41, fixed plate 41 and quick-witted case 2 bottom fixed connection, blade rotational speed detector 43 is installed in fixed plate 41 left side, blade signal transmitter 42 is installed on fixed plate 41 right side, the electricity is connected between blade rotational speed detector 43 and the blade signal transmitter 42, and under the effect of wind force, blade 3 begins to rotate, and blade rotational speed detector 43 detects the blade 3 rotational speed, and the testing result passes through blade signal transmitter 42 and transmits for external terminal.
The vibration detection assembly 7 comprises an insulating shell 71, the insulating shell 71 is connected with the mounting block 8, a detection rod 72 penetrates through the bottom of the insulating shell 71, an embedding groove 73 is formed in the bottom end of the detection rod 72, a ball 74 is arranged in the embedding groove 73, the ball 74 is in contact with the rotating sleeve 10, a metal sheet 76 is fixedly connected to the top of the detection rod 72, a spring 75 is fixedly connected to the bottom end of the metal sheet 76, the bottom end of the spring 75 is connected with the bottom wall of the metal sheet 76, a first electrical contact block 77 is arranged on the left side of the upper portion in the insulating shell 71, and a second electrical contact block 78 is arranged on the right side of the upper portion in the insulating shell 71; the roof is equipped with battery 79 and shock signal transmitter 710 in insulating casing 71, the electricity is connected between positive pole and shock signal transmitter 710 and the first electric contact piece 77 of battery 79, electricity is connected between negative pole and the second electric contact piece 78 of battery 79, when second pivot 9 amplitude is too big, second pivot 9 oppresses ball 74 through changeing cover 10, ball 74 passes through check rod 72 and drives sheetmetal 76 motion, spring 75 is stretched, sheetmetal 76 contacts with first electric contact piece 77 and second electric contact piece 78, shock signal transmitter 710 circular telegram starts, gives external terminal with signal transmission, remind staff's second pivot 9 unusual vibrations appear, there is the trouble probably, need inspect.
The wind speed detection assembly 6 comprises a wind speed detector 62, a wind speed signal emitter 64 and an expansion link 61, the wind speed detector 62, the wind speed signal emitter 64 and the expansion link 61 are all fixedly connected with the top of the case 2, the top end of the expansion link 61 is fixedly connected with a rain shield 63, the rain shield 63 is positioned above the wind speed detector 62 and the wind speed signal emitter 64, the wind speed detector 62 and the wind speed signal emitter 64 are electrically connected, the wind speed detector 62 detects wind speed, a detection result is emitted to an external terminal through the wind speed signal emitter 64, the external terminal judges whether the rotating speed of the blade 3 is normal or not according to the difference between the wind speed and the rotating speed of the blade 3, and judges whether the blade 3 has a fault or not; the telescopic rod 61 comprises an outer rod 611, the outer rod 611 is fixedly connected with the top of the case 2, an inner rod 612 is inserted in the outer rod 611, the top end of the inner rod 612 is fixedly connected with the bottom of the rain shielding plate 63, a plurality of groups of clamping grooves 613 are formed in the inner rod 612, a clamping pin 614 penetrates through the outer rod 611, the clamping pin 614 is clamped with the clamping grooves 613, the clamping pin 614 is pulled out according to use requirements, the length of the telescopic rod 61 is adjusted, therefore, the position height of the rain shielding plate 63 is adjusted, and the rain shielding plate 63 can play a rain shielding effect under the condition that the use of the wind speed detector 62 is not affected.
The noise detection assembly comprises a noise detector 11 and a noise signal emitter 12, the noise detector 11 and the noise signal emitter 12 are both installed on the left inner wall of the case 2, the noise detector 11 is electrically connected with the noise signal emitter 12, the noise detector 11 detects noise in the case 2, a detection result is transmitted to an external terminal through the noise signal emitter 12, and the external terminal judges whether a fault exists inside the case 2 according to noise decibels.
The motor speed detection assembly comprises a motor speed detector 14 and a motor signal emitter 15, the motor speed detector 14 is installed on the top wall of the machine case 2, the motor speed detector 14 corresponds to the first rotating shaft 16, the motor speed detector 14 is electrically connected with the motor signal emitter 15, the motor speed detector 14 detects the rotating speed of the first rotating shaft 16, a detection result is transmitted to an external terminal through the motor signal emitter 15, the external terminal compares the motor speed with the wind speed and the rotating speed of the blade 3, and whether a fault exists in the generator 17 is judged.
The specific working principle is as follows:
s1, before use, the clamping pin 614 is pulled out according to use requirements, and the length of the telescopic rod 61 is adjusted, so that the position height of the rain shielding plate 63 is adjusted, and the rain shielding plate 63 can play a rain shielding effect under the condition that the use condition of the wind speed detector 62 is not influenced;
s2, under the action of wind force, the blade 3 starts to rotate, the blade rotating speed detector 43 detects the rotating speed of the blade 3, the detection result is transmitted to an external terminal through the blade signal transmitter 42, the wind speed detector 62 detects the wind speed, the detection result is transmitted to the external terminal through the wind speed signal transmitter 64, the external terminal judges whether the rotating speed of the blade 3 is normal or not according to the difference value between the wind speed and the rotating speed of the blade 3, and whether the blade 3 has a fault or not is judged;
s3, the blade 3 drives the second rotating shaft 9 to rotate through the mounting head 5, the second rotating shaft 9 drives the first rotating shaft 16 to rotate through the gear box 13, the first rotating shaft 16 drives the generator 17 to work, the generator 17 generates electricity, the noise detector 11 detects noise in the case 2, a detection result is transmitted to an external terminal through the noise signal transmitter 12, the external terminal judges whether a fault exists in the case 2 according to noise decibels, the motor rotating speed detector 14 detects the rotating speed of the first rotating shaft 16 and transmits the detection result to the external terminal through the motor signal transmitter 15, and the external terminal compares the rotating speed of the motor with the wind speed and the rotating speed of the blade 3 to judge whether the fault exists in the generator 17;
s4, when the amplitude of the second rotating shaft 9 is too large, the second rotating shaft 9 presses the ball 74 through the rotating sleeve 10, the ball 74 drives the metal sheet 76 to move through the detection rod 72, the spring 75 is stretched, the metal sheet 76 is in contact with the first electric contact block 77 and the second electric contact block 78, the vibration signal emitter 710 is powered on and started, signals are emitted to an external terminal, and a worker is reminded that the second rotating shaft 9 is abnormally vibrated, possibly has faults and needs to be checked.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a fault monitoring device of wind turbine generator system, includes stay tube (1), its characterized in that: the top end of the supporting tube (1) is fixedly connected with a case (2), a generator (17) is arranged on the right side in the case (2), a first rotating shaft (16) is connected onto the generator (17), the first rotating shaft (16) is connected with a gear box (13), a second rotating shaft (9) is connected onto the gear box (13), the second rotating shaft (9) penetrates through the left side of the case (2) and is fixedly connected with an installing head (5), the installing head (5) is rotatably connected with the case (2), blades (3) are fixedly connected onto the installing head (5), a blade rotating speed detecting component (4) is arranged on the left side of the bottom of the case (2), an installing block (8) is fixedly connected onto the inner top wall of the case (2), a vibration detecting component (7) is installed at the bottom of the installing block (8), and a rotating sleeve (10) is fixedly connected onto the second rotating shaft (9), the rotating sleeve (10) is connected with the vibration detection assembly (7), the wind speed detection assembly (6) is arranged at the top of the case (2), and the noise detection assembly and the motor rotating speed detection assembly are arranged in the case (2).
2. The fault monitoring device of the wind turbine generator according to claim 1, wherein: blade rotational speed determine module (4) is including fixed plate (41), fixed plate (41) and quick-witted case (2) bottom fixed connection, blade rotational speed detector (43) are installed in fixed plate (41) left side, blade signal transmitter (42) are installed on fixed plate (41) right side, electricity is connected between blade rotational speed detector (43) and blade signal transmitter (42).
3. The fault monitoring device of the wind turbine generator according to claim 1, wherein: vibrations determine module (7) include insulating casing (71), be connected between insulating casing (71) and installation piece (8), insulating casing (71) bottom has test rod (72) to pass, open test rod (72) bottom has caulking groove (73), be equipped with ball (74) in caulking groove (73), contact between ball (74) and rotating sleeve (10), test rod (72) top fixedly connected with sheetmetal (76), sheetmetal (76) bottom fixedly connected with spring (75), spring (75) bottom is connected with bottom wall in sheetmetal (76), upper portion left side is equipped with first electric contact piece (77) in insulating casing (71), upper portion right side is equipped with second electric contact piece (78) in insulating casing (71).
4. The fault monitoring device of the wind turbine generator according to claim 3, wherein: the inner top wall of the insulating shell (71) is provided with a storage battery (79) and a vibration signal emitter (710), the anode of the storage battery (79) is electrically connected with the vibration signal emitter (710) and the first electric contact block (77), and the cathode of the storage battery (79) is electrically connected with the second electric contact block (78).
5. The fault monitoring device of the wind turbine generator according to claim 1, wherein: wind speed detection subassembly (6) include wind speed detector (62), wind speed signal transmitter (64) and telescopic link (61), wind speed detector (62), wind speed signal transmitter (64) and telescopic link (61) all with quick-witted case (2) top fixed connection, telescopic link (61) top fixedly connected with dash board (63), dash board (63) are located wind speed detector (62) and wind speed signal transmitter (64) top, the electricity is connected between wind speed detector (62) and the wind speed signal transmitter (64).
6. The fault monitoring device of the wind turbine generator according to claim 5, wherein: the telescopic rod (61) comprises an outer rod (611), the outer rod (611) is fixedly connected with the top of the case (2), an inner rod (612) is inserted into the outer rod (611), the top end of the inner rod (612) is fixedly connected with the bottom of the rain shielding plate (63), a plurality of groups of clamping grooves (613) are formed in the inner rod (612), a clamping pin (614) penetrates through the outer rod (611), and the clamping pin (614) is clamped with the clamping grooves (613).
7. The fault monitoring device of the wind turbine generator according to claim 1, wherein: the noise detection assembly comprises a noise detector (11) and a noise signal emitter (12), wherein the noise detector (11) and the noise signal emitter (12) are both installed on the left inner wall of the case (2), and the noise detector (11) and the noise signal emitter (12) are electrically connected with each other.
8. The fault monitoring device of the wind turbine generator according to claim 1, wherein: the motor speed detection assembly comprises a motor speed detector (14) and a motor signal emitter (15), the motor speed detector (14) is installed on the inner top wall of the case (2), the motor speed detector (14) corresponds to the first rotating shaft (16), and the motor speed detector (14) and the motor signal emitter (15) are electrically connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120520888.7U CN215521136U (en) | 2021-03-12 | 2021-03-12 | Fault monitoring device of wind turbine generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120520888.7U CN215521136U (en) | 2021-03-12 | 2021-03-12 | Fault monitoring device of wind turbine generator |
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| CN215521136U true CN215521136U (en) | 2022-01-14 |
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| CN202120520888.7U Expired - Fee Related CN215521136U (en) | 2021-03-12 | 2021-03-12 | Fault monitoring device of wind turbine generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153650A (en) * | 2021-03-12 | 2021-07-23 | 中国大唐集团新能源科学技术研究院有限公司 | Fault monitoring device of wind turbine generator and using method thereof |
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2021
- 2021-03-12 CN CN202120520888.7U patent/CN215521136U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153650A (en) * | 2021-03-12 | 2021-07-23 | 中国大唐集团新能源科学技术研究院有限公司 | Fault monitoring device of wind turbine generator and using method thereof |
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Granted publication date: 20220114 |