A fan equipment status monitoring system and device
By designing a fan equipment status monitoring system, the bearing speed, offset and operating sound are monitored in real time, the problem of high damage rate of gearbox bearings is solved, and the reliability and maintenance efficiency of wind power generation equipment are improved.
Patent Information
- Application Number
- CN202210575963.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-05-24
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2042-05-24
AI Technical Summary
The gearbox bearings in wind power generation equipment have high damage rate, complex and difficult repair, which affects the normal operation of the equipment. The existing monitoring system is not enough to effectively monitor the bearing status.
A fan equipment status monitoring system is designed, including a central processor, a speed monitoring module, an offset monitoring module, a sound monitoring module and an alarm module. The speed, offset and operation sound of the bearing are monitored through the collector and sensor. The central processor processes information and alarms when abnormal.
Real-time monitoring of the bearing operation status and timely alarms are achieved, which improves the preventiveness and efficiency of equipment maintenance and reduces the risk of downtime caused by bearing failure.
Smart Images

Figure CN115234446B_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of wind power generation, and more specifically, to a fan equipment status monitoring system and device. Background Art
[0002] In a wind power transmission system, the gearbox is an important component. Whether the gearbox operates normally directly affects the operation of the entire mechanical system. The gearbox of a wind turbine often operates under harsh conditions such as high speed, heavy load, and special media, and requires high smoothness and reliability during operation. And the bearing is an important component of the gearbox, which has an important impact on the normal operation of wind power generation equipment. According to research, the damage rate of bearings inside the gearbox components is relatively high, and once it is damaged, the repair is extremely complex and difficult, which is also one of the factors affecting the normal operation of wind power generation equipment. Currently, the speed-increasing gearbox is widely used in wind power generation systems. The bearings of this type of gearbox are more prone to failure. If the bearings cannot operate normally, the wind power generation system cannot generate electricity normally. Therefore, a fan equipment status monitoring system and device are proposed. Summary of the Invention
[0003] In view of the above problems, this application proposes a fan equipment status monitoring system, which includes a central processor, a speed monitoring module, an offset monitoring module, a sound monitoring module, and an alarm module. The central processor receives and processes the information transmitted by the speed monitoring module, the offset monitoring module, and the sound monitoring module. The speed monitoring module is used to monitor the speed of the bearing. The offset monitoring module is used to monitor the offset of the bearing. The sound monitoring module is used to monitor the sound generated during the operation of the bearing. The alarm module is used to remind the staff that the bearing is operating abnormally.
[0004] Preferably, the speed monitoring module includes two signal collectors and a counter. The two signal collectors transmit the collected signals to the speed monitoring module. The speed monitoring module judges the speed of the bearing according to the interval time of the information transmitted by the same signal collector. And the speed monitoring module transmits the difference between the signals transmitted by the two signal collectors in the same cycle to the offset monitoring module. The counter records the number of signals transmitted by the signal collector.
[0005] Preferably, the offset monitoring module includes a pressure sensor. The pressure sensor transmits the detected pressure to the offset monitoring module. The offset monitoring module judges the offset of the rotating shaft according to the received signal, and then judges the motion state of the bearing.
[0006] Preferably, the sound monitoring module includes a sound collector. The sound collector converts the collected sound signal into an electrical signal and transmits the electrical signal to the sound monitoring module. The sound monitoring module judges the operation condition of the bearing according to the collected information.
[0007] A wind turbine equipment status monitoring device comprises a system placement box and a collection structure, wherein the collection structure comprises two half rings, a fixed ring and two pressure detection rings, wherein the two half rings are connected by a bolt and nut structure, wherein the half rings are located on the inner side of the fixed ring, and a reflector is inlaid in the middle of the outer surface of the half ring, wherein the fixed ring is clamped with the pressure detection ring, and both ends of the inner wall of the fixed ring are inlaid with a signal transmitter and receiver, wherein the inner wall of the pressure detection ring is connected with a buffer pad, and the inner wall of the buffer pad is in contact with the outer surface of the half ring, and a sound collector is fixedly connected to one of the pressure detection rings;
[0008] The nut structure includes a fixed plate 2 and a movable plate, and nuts are movably connected in the middle of the two ends of the inner side of the movable plate, and the two nuts are connected through a transmission belt. A push block is connected to the front of the transmission belt, and guide rods are connected to the four corners of the inner side of the movable plate. The four corners of the fixed plate 2 are provided with through holes movably connected to the guide rods.
[0009] Preferably, a clamping rod is connected to the bottom of the bolt, clamping holes adapted to the clamping rod are provided in the middle of the two ends of the fixing plate, the nut is in an I-shape, and the clamping rod is movably connected to the nut.
[0010] Preferably, the shape of the pressure detection ring is semicircular, and a fixing plate 1 is connected to the middle of the outer surface of the pressure detection ring. A clamping block is provided in the middle of the fixing plate 1, and clamping holes matching the clamping block are provided on one side of both ends of the fixing ring, and a threaded hole is provided in the middle of the other end of the fixing plate 1.
[0011] The present invention has the following beneficial effects:
[0012] The present application provides a fan equipment status monitoring system and device, which can detect the operating cycle, operating sound and offset of the bearing through the setting of a sound collector, a pressure detection ring and a signal transmitter and receiver. The monitoring system determines the operating status of the bearing based on the detection results, which is convenient for the staff to technically repair the bearing.
[0013] The present application provides a fan equipment status monitoring system and device. Through the setting of the nut structure, the user pushes the push block to drive the transmission belt, and the transmission belt drives the nut to rotate. The nut and the bolt can be quickly engaged or separated, which is convenient for the disassembly and assembly of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0015] Figure 1 Schematic diagram of the system flow of the present invention;
[0016] Figure 2 Front schematic diagram of the structure of the present invention;
[0017] Figure 3 Exploded schematic diagram of the acquisition structure of the present invention;
[0018] Figure 4 Exploded schematic diagram of the nut structure of the present invention;
[0019] Figure 5 Enlarged schematic diagram of the acquisition structure of the present invention.
[0020] In the figure: 1, system placement box; 2, acquisition structure; 3, sound collector; 4, fixing ring; 5, semi-ring; 6, reflector; 7, signal transceiver; 8, buffer pad; 9, pressure detection ring; 10, first fixing plate; 11, clamping block; 13, second fixing plate; 14, nut; 15, guide rod; 16, transmission belt; 17, push block; 18, bolt; 19, clamping rod; 20, movable plate. Specific embodiments
[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application.
[0022] Please refer to Figure 1 , a fan equipment status monitoring system, including a central processor, a speed monitoring module, an offset monitoring module, a sound monitoring module, and an alarm module. The central processor receives and processes the information transmitted by the speed monitoring module, the offset monitoring module, and the sound monitoring module. The speed monitoring module is used to monitor the speed of the bearing, the offset monitoring module is used to monitor the offset of the bearing, and the sound monitoring module is used to monitor the sound generated during the operation of the bearing; the alarm module is used to remind the staff that the bearing is operating abnormally.
[0023] The speed monitoring module includes two signal collectors and a counter. The two signal collectors transmit the collected signals to the speed monitoring module. The speed monitoring module determines the speed of the bearing based on the interval time of the same signal collector transmitting information. The speed monitoring module transmits the difference of the signals transmitted by the two signal collectors in the same period to the offset monitoring module, and the counter records the number of times the signal collector transmits the signal.
[0024] The offset monitoring module includes a pressure sensor, which transmits the detected pressure to the offset monitoring module. The offset monitoring module determines the offset of the shaft according to the received signal, and further determines the movement state of the bearing.
[0025] The sound monitoring module includes a sound collector, which converts the collected sound signals into electrical signals and transmits the electrical signals to the sound monitoring module. The sound monitoring module determines the operation status of the bearing based on the collected information.
[0026] See also Figures 2 to 5 A wind turbine equipment status monitoring device includes a system placement box 1 and a collection structure 2. Through the setting of the system placement box 1, a system compatible with the device can be placed. Through the setting of the collection structure 2, the signal used by the monitoring system can be collected. The collection structure 2 includes two half rings 5, a fixed ring 4 and two pressure detection rings 9. The two half rings 5 are connected by bolts 18 and a nut structure. Both ends of the two half rings 5 are provided with round holes compatible with the bolts 18. The bottom of the bolt 18 is fixedly connected with a clamping rod 19.
[0027] The nut structure includes a fixed plate 13 and a movable plate 20, and nuts 14 are movably connected to the middle parts of the two ends of the inner side of the movable plate 20, and the two nuts 14 are connected through a transmission belt 16, and a push block 17 is connected to the front of the transmission belt 16. The four corners of the inner side of the movable plate 20 are connected to the guide rod 15, and the four corners of the fixed plate 13 are provided with through holes movably connected to the guide rod 15. Through the arrangement of the fixed plate 13 and the movable plate 20, the user can push the push block 17 to rotate the nut 14, and the nut 14 can quickly engage with the two bolts 18, thereby improving the efficiency of disassembly and assembly of the device.
[0028] A clamping rod 19 is connected to the bottom of the bolt 18, and a clamping hole adapted to the clamping rod 19 is provided in the middle of the two ends of the fixing plate 13. The shape of the nut 14 is I-shaped. Through the setting of the clamping hole and the clamping rod 19, the position of the bolt 18 can be fixed, which facilitates the threaded connection between the nut 14 and the bolt 18, and the clamping rod 19 is movably connected to the nut 14, which facilitates the clamping connection between the clamping rod 19 and the clamping hole.
[0029] The semi-ring 5 is located inside the fixed ring 4. A reflective sheet 6 is inlaid in the middle of the outer surface of the semi-ring 5. The fixed ring 4 is snap-connected to the pressure detection ring 9. Signal transmitters and receivers 7 are inlaid at both ends of the inner wall of the fixed ring 4. Through the arrangement of the signal transmitters and receivers 7 and the reflective sheet 6, the rotation period of the rotating shaft adapted to the bearing seat can be detected.
[0030] The pressure detection ring 9 is semicircular in shape. A fixing plate one 10 is connected to the middle of the outer surface of the pressure detection ring 9. A clamping block 11 is provided in the middle of the fixing plate one 10. Clamping holes adapted to the clamping block 11 are provided on one side of both ends of the fixed ring 4. A threaded hole is provided in the middle of the other end of the fixing plate one 10. Through the arrangement of the fixing plate one 10, it is convenient to connect the pressure detection ring 9 to the bearing seat. A buffer pad 8 is connected to the inner wall of the pressure detection ring 9. The inner wall of the buffer pad 8 is in contact with the outer surface of the semi-ring 5. Through the arrangement of the buffer pad 8, the semi-ring 5 and the pressure detection ring 9 can be separated, which is convenient for the pressure detection ring 9 to detect the pressure exerted on it by the semi-ring 5. A sound collector 3 is fixedly connected to one pressure detection ring 9. Through the arrangement of the sound collector 3, the sound generated during the operation of the bearing can be collected.
[0031] In summary, during use, the user fixes the pressure detection ring 9 to the bearing seat of the bearing to be monitored with bolts, snap-connects the fixed ring 4 to the pressure detection ring 9, and fixes the two semi-rings 5 to the rotating shaft adapted to the bearing to be detected with bolts 18 and nut structures. When the rotating shaft rotates, it drives the semi-ring 5 to rotate, the semi-ring 5 drives the reflective sheet 6 to rotate, and the signal emitted by the signal transmitter and receiver 7 can be received only after being reflected by the reflective sheet 6. The signal transmitter and receiver 7 calculates the rotation speed of the rotating shaft according to the interval of the received signals. The sound collector 3 collects the sound during the operation of the bearing. The pressure detection ring 9 detects the pressure exerted on it by the semi-ring 5 and transmits the detected pressure to the system inside the device. The system judges the operating state of the bearing according to the received signals.
[0032] Finally, it should be noted that: The electrical components involved in this application are all available on the market and are all prior art. The above embodiments are only used to illustrate the technical solutions of this application, rather than to limit them; Although this application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: They can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; And these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.
Claims
1. A fan equipment status monitoring device, comprising a system placement box (1) and a collection structure (2), characterized in that, The collection structure (2) comprises two half rings (5), a fixed ring (4) and two pressure detection rings (9); the two half rings (5) are connected by bolts (18) and a nut structure; the half ring (5) is located on the inner side of the fixed ring (4); a reflector (6) is inlaid in the middle of the outer surface of the half ring (5); the fixed ring (4) is clamped with the pressure detection ring (9); both ends of the inner wall of the fixed ring (4) are inlaid with signal transmitters and receivers (7); the inner wall of the pressure detection ring (9) is connected with a buffer pad (8); the inner wall of the buffer pad (8) is in contact with the outer surface of the half ring (5); and one of the pressure detection rings (9) is fixedly connected with a sound collector (3); The nut structure comprises a second fixed plate (13) and a movable plate (20), the middle parts of the inner ends of the movable plate (20) are movably connected with nuts (14), the two nuts (14) are connected by a transmission belt (16), the front of the transmission belt (16) is connected with a push block (17), the four corners of the inner side of the movable plate (20) are connected with guide rods (15), and the four corners of the second fixed plate (13) are provided with through holes movably connected with the guide rods (15).
2. The state monitoring device for a fan equipment according to claim 1, characterized in that, The bottom of the bolt (18) is connected with a clamping rod (19), and the middle parts of the two ends of the second fixing plate (13) are provided with clamping holes adapted to the clamping rod (19), the shape of the nut (14) is an I-shaped, and the clamping rod (19) is movably connected to the nut (14).
3. The state monitoring device for a fan equipment according to claim 1, characterized in that The pressure detection ring (9) is semicircular in shape, and a fixing plate (10) is connected to the middle of the outer surface of the pressure detection ring (9), a clamping block (11) is provided in the middle of the fixing plate (10), and clamping holes matching the clamping block (11) are provided on one side of both ends of the fixing ring (4), and a threaded hole is provided in the middle of the other end of the fixing plate (10).
Citation Information
Patent Citations
Acoustic intelligent bearing and monitoring and diagnosis method thereof
CN113063594A
Fan gearbox bearing fault early warning method based on LSTM network
CN114509261A