Tower drum inclination monitoring device

Abstract

The invention provides a tower inclination monitoring device, and relates to the field of monitoring devices.The tower inclination monitoring device comprises a center rod, the center rod is arranged in a wind power tower, a detection assembly and a buffer assembly are arranged on the outer side of the center rod, a wireless transmission device is arranged on the upper side of the detection assembly, and the detection assembly comprises a fixing ring fixed to the outer side of the center rod; an inner cavity is formed in the fixing ring, a positioning ring is arranged in the middle of the inner cavity, a microswitch is installed on the outer side of the positioning ring, a trigger rod is arranged on the outer side of the microswitch, and a touch rod is arranged on the outer side of the trigger rod. The wind power tower inclination early warning device solves the problems that an existing wind power tower inclination early warning device has early warning misjudgment, and the device is affected by the external severe environment to cause use stability deviation.

Description

Technical Field

[0001] The invention relates to the technical field of monitoring devices, and in particular to a tower inclination monitoring device. Background Art

[0002] The wind turbine tower is the tower pole for wind power generation. The wind turbine tower is an important component of the wind turbine. It mainly plays a supporting role in the wind turbine generator set and absorbs the vibration of the unit.

[0003] After searching, the prior art (publication number: CN217950598U) records "a wind power tower tilt warning device, comprising a lower bearing body, an upper bearing body, a vertical holding assembly, a laser transmitter and a laser receiver, wherein the lower bearing body and the upper bearing body are arranged in parallel and spaced apart on the side of the tower, and both are in a horizontal state, the vertical holding assembly is arranged on the lower bearing body, the laser transmitter is arranged on the top surface of the vertical holding assembly, and the laser receiver is arranged on the bottom surface of the upper bearing body, and the laser transmitter is always kept vertical to the ground by the vertical holding assembly. When the tower tilts, the laser receiver also tilts, but the optical signal remains vertical to the horizontal plane. At this time, the optical signal received by the laser receiver is offset or interrupted, and it can be known that the tower tilts. The wind power tower tilt warning device provided by the present invention has the effect of monitoring whether the tower tilts." Although the wind turbine tower tilt warning device in the prior art has realized the tilt warning monitoring function, there are still some shortcomings: the arc-shaped body involved in the existing wind turbine tower tilt warning device is prone to swinging in windy weather, which will cause a tilt warning to be issued even when the tower is not tilted, which is easy to cause misjudgment. At the same time, it is set in the environment outside the tower, which makes it easy to be affected by rain and snow, which in turn causes the termination of the laser signal, so there is a stability deviation. Summary of the invention

[0004] In order to overcome the defects of the prior art, a tower tilt monitoring device is provided to solve the problems of false warnings in the existing wind turbine tower tilt warning devices and the device itself being affected by the harsh external environment, resulting in stability deviation in use.

[0005] To achieve the above-mentioned purpose, a tower inclination monitoring device is provided, comprising: a center pole, the center pole is arranged inside the wind turbine tower, and a detection component and a buffer component are provided on the outside of the center pole, and a wireless transmission device is provided on the upper side of the detection component, the detection component comprises a fixing ring fixed on the outside of the center pole, and an inner cavity is opened inside the fixing ring, and a positioning ring is provided in the middle of the inner cavity, a micro switch is installed on the outside of the positioning ring, and a trigger rod is provided on the outside of the micro switch, and a touch rod is provided on the outside of the trigger rod.

[0006] Furthermore, the touch rod is slidably inserted in the fixing ring, and the inner end of the touch rod is connected with a slide plate, and the slide plate is slidably connected in the inner cavity.

[0007] Furthermore, the outer end of the trigger rod is connected to the inner side of the slide plate, and a fixing plate is slidably connected to the outer side of the trigger rod, and the fixing plate is fixed in the inner cavity. At the same time, a spring is provided between the fixing plate and the slide plate and is sleeved on the outer side of the trigger rod.

[0008] Furthermore, the center of the positioning ring is connected with a vertical rod which vertically penetrates the ring body, and the vertical rod is arranged at the center of the inner cavity, and the micro switches are arranged at equal distances along the circumferential outer wall of the positioning ring.

[0009] Furthermore, the wireless transmission device includes a wireless signal sending module disposed inside, and the wireless transmission device is electrically connected to the micro switch.

[0010] Furthermore, a buffer component is provided on the outer side of the central rod, and the buffer components are arranged at equal intervals up and down, and the buffer component is located at the lower side of the detection component.

[0011] Furthermore, the buffer assembly includes a central block fixed on the outside of the central rod, a mounting tube is embedded in the interior of the central block, and a damping shock absorber is installed in the interior of the mounting tube.

[0012] Furthermore, the buffer assembly also includes a shock-absorbing column slidably inserted into the center block, and the inner end of the shock-absorbing column is connected to the damping shock absorber, and the outer end of the shock-absorbing column is connected to a support rod, and the outer end of the support rod is connected to a connecting block, and the connecting block is connected to the inner wall of the tower.

[0013] Furthermore, when the micro switch of the detection component is triggered, the trigger signal should be transmitted to the external monitoring device terminal through the wireless transmission device, and the signal encryption and error correction functions should be provided. The signal encryption should adopt an encryption algorithm that complies with industrial safety standards to ensure the security and confidentiality of signal transmission and prevent the signal from being maliciously intercepted and tampered with. The error correction function should be able to automatically identify and correct erroneous signals that occur during the transmission process to ensure that the monitoring personnel receive accurate tower tilt information.

[0014] Furthermore, the damping shock absorber in the buffer assembly should have the function of adjusting the damping coefficient. By adjusting the damping coefficient, the shock absorption effect of the buffer assembly can be flexibly adjusted according to different wind conditions and tower vibration conditions. When the wind force is strong, the damping coefficient can be appropriately increased to enhance the shock absorption effect and reduce the vibration of the tower; when the wind force is weak, the damping coefficient can be appropriately reduced to avoid excessive shock absorption affecting the normal operation of the tower. At the same time, the damping shock absorber should have good durability and reliability, and be able to maintain stable performance during long-term use to ensure that the buffer assembly can always effectively play a shock absorption role.

[0015] The beneficial effects of the present invention are: 1. By using the fixing ring included in the detection assembly, when the tower is tilted, the inner wall of the tower tilts toward the side of the touch rod and then touches the touch rod. At this time, the touch rod moves inward to drive the slide plate to squeeze the spring, and at the same time pushes the trigger rod inward, so that the trigger rod moves inward and touches the contact of the micro switch, and then the triggered model is sent out through the wireless transmission device, so that the monitoring personnel can find it in time; 2. By using the center pole and buffer assembly, when the center pole is fixed to the ground, the tower can be elastically supported and buffered on the inner wall of the tower under slight wind vibration from the outside through the connecting blocks, support rods, shock absorbing columns and damping shock absorbers, thereby further enhancing the tower's anti-wind vibration effect; 3. The detection components installed inside the wind turbine tower can avoid being disturbed by bad weather in the external environment, which may affect the working stability of the device, and avoid the phenomenon of misjudging the tilt caused by slight vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the internal structure of the tower of the detection component according to an embodiment of the present invention.

[0017] Figure 2 For the embodiment of the present invention Figure 1 Schematic diagram of the structure at point A in the middle.

[0018] Figure 3 For the embodiment of the present invention Figure 1 Schematic diagram of the structure at point B in the middle.

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the appearance of the detection component of an embodiment of the present invention.

[0020] In the figure: 1. center rod; 2. detection component; 21. fixing ring; 22. inner cavity; 23. positioning ring; 24. micro switch; 25. trigger rod; 26. fixing plate; 27. spring; 28. slide plate; 29. ​​touch rod; 3. wireless transmission device; 4. buffer component; 41. center block; 42. mounting tube; 43. connecting block; 44. support rod; 45. shock absorbing column; 46. damping shock absorber. DETAILED DESCRIPTION

[0021] Reference Figures 1 to 4As shown, the present invention provides a tower inclination monitoring device, comprising: a center pole 1, the center pole 1 is arranged inside the wind power tower, and a detection component 2 and a buffer component 4 are arranged on the outside of the center pole 1, and a wireless transmission device 3 is arranged on the upper side of the detection component 2, the detection component 2 comprises a fixing ring 21 fixed on the outside of the center pole 1, and an inner cavity 22 is opened inside the fixing ring 21, and a positioning ring 23 is arranged in the middle of the inner cavity 22, a micro switch 24 is installed on the outside of the positioning ring 23, and a trigger rod 25 is arranged on the outside of the micro switch 24, and a touch rod 29 is arranged on the outside of the trigger rod 25.

[0022] The center pole 1 serves as the core supporting component of the entire device. Its bottom is directly buried and fixed underground. The center pole 1 located inside the tower will not be affected by external wind force, thereby providing a stable installation foundation for the detection component 2 and the buffer component 4, ensuring that the entire monitoring device can accurately detect the inclination of the tower.

[0023] The fixing ring 21 in the detection assembly 2 is fixed to the outside of the central rod 1, and has an inner cavity 22. The fixing ring 21 is used to provide a mounting position and support for other components, and the inner cavity 22 provides space for the movement of the internal components.

[0024] The positioning ring 23 is located in the middle of the inner cavity 22, and a vertical rod is connected to the center of the positioning ring 23 and passes through the ring body vertically. The vertical rod is set at the center of the inner cavity 22, and the micro switches 24 are set equidistantly along the circumferential outer wall of the positioning ring 23. When the tower is tilted, the micro switches 24 can accurately sense and trigger the corresponding signal.

[0025] The trigger rod 25 is located outside the micro switch 24, and the touch rod 29 is located outside the trigger rod 25. The touch rod 29 is slidably inserted into the fixing ring 21, and the inner end of the touch rod 29 is connected to a slide plate 28, which is slidably connected in the inner cavity 22. The outer end of the trigger rod 25 is connected to the inner side of the slide plate 28, and the outer side of the trigger rod 25 is slidably connected to a fixing plate 26, which is fixed in the inner cavity 22. At the same time, a spring 27 is provided between the fixing plate 26 and the slide plate 28 and is sleeved on the outer side of the trigger rod 25. Under normal circumstances, there is a certain distance between the touch rod 29 and the inner wall of the tower. When the tower is tilted, the inner wall of the tower touches the touch rod 29, causing it to move inward, thereby driving the slide plate 28 to squeeze the spring 27 and push the trigger rod 25 to move inward to touch the contact of the micro switch 24.

[0026] The wireless transmission device 3 is located on the upper side of the detection component 2, including an internally arranged wireless signal sending module, and the wireless transmission device 3 is electrically connected to the micro switch 24. When the micro switch 24 is triggered, its trigger signal is transmitted to the external monitoring device terminal through the wireless transmission device 3. During the transmission process, the signal should have signal encryption and error correction functions. Signal encryption adopts an encryption algorithm that complies with industrial safety standards to ensure the security and confidentiality of signal transmission and prevent the signal from being maliciously intercepted and tampered with. The error correction function can automatically identify and correct erroneous signals that occur during the transmission process to ensure that the monitoring personnel receive accurate tower tilt information. The wireless transmission device 3 is remotely wirelessly connected to the external monitoring equipment terminal to realize remote monitoring of the tower, and an alarm device is set on the terminal device to facilitate timely notification of the tower maintenance personnel.

[0027] The buffer assembly 4 is located at the lower side of the detection assembly 2, and is arranged at equal intervals on the outer side of the center rod 1. The buffer assembly 4 includes a center block 41, a mounting tube 42, a damping shock absorber 46, a shock absorber column 45, a support rod 44 and a connecting block 43. The center block 41 is fixed on the outer side of the center rod 1, and a mounting tube 42 is embedded in the center block 41, and a damping shock absorber 46 is installed in the mounting tube 42. The shock absorber column 45 is slidably inserted into the center block 41, and the inner end of the shock absorber column 45 is connected to the damping shock absorber 46, the outer end of the shock absorber column 45 is connected to the support rod 44, the outer end of the support rod 44 is connected to the connecting block 43, and the connecting block 43 is connected to the inner wall of the tower. The damping shock absorber 46 is arranged horizontally and transversely, and the piston rod end of the damping shock absorber 46 is axially connected to the shock absorber column 45. The support rod 44 is set to a horizontal V-shaped structure, so that it forms an isosceles triangle structure with the connecting block 43 to enhance the stability of the structure. At the same time, the connecting block 43 is movably connected to the inner wall of the tower by a hinge. The multiple groups of damping shock absorbers 46 are set to achieve wind resistance and shock reduction effects in multiple directions of the tower.

[0028] When the tower is in a normal state, the touch rod 29 maintains a certain distance from the inner wall of the tower, the spring 27 is in a natural state, and the trigger rod 25 does not touch the micro switch 24. When the tower tilts, the inner wall of the tower tilts toward the touch rod 29 and touches the touch rod 29. The touch rod 29 moves inward to drive the slide 28 to squeeze the spring 27, and at the same time pushes the trigger rod 25 inward. The trigger rod 25 moves inward to touch the contact of the micro switch 24. After the micro switch 24 is triggered, the trigger signal is sent out through the wireless transmission device 3. Since the micro switch 24 is equidistantly arranged along the circumferential outer wall of the positioning ring 23, and the mutual movement between the multiple groups of slides 28 and springs 27 involved in the inner cavity 22 is not interfered with each other, it is possible to monitor the tilt of the tower in multiple directions.

[0029] When the center pole 1 is fixed to the ground, when the tower is subjected to external wind force, the inner wall of the tower interacts with the center pole 1 through the connecting block 43, the support rod 44, the shock absorbing column 45 and the damping shock absorber 46. Due to the existence of the damping shock absorber 46, when the wind force is small, the shock absorbing column 45, under the action of the damping shock absorber 46, enables the tower to have an elastic support and buffering effect on the inner wall of the tower under the slight wind vibration of the outside world, thereby reducing the vibration of the tower. When the wind force is large, the damping shock absorber 46 can absorb more energy, further enhancing the wind vibration resistance of the tower. At the same time, since the support rod 44 is set as a horizontal V-shaped structure, it forms an isosceles triangle structure with the connecting block 43, which enhances the stability of the structure, so that the buffer assembly 4 can play a better role.

[0030] By using the fixed ring 21 included in the detection assembly, when the tower is tilted, the inner wall of the tower touches the touch rod 29, and through a series of mechanical transmissions, the micro switch 24 is finally triggered, and the signal is accurately sent out through the wireless transmission device 3, so that the monitoring personnel can find the tilt of the tower in time. In addition, due to the equidistant arrangement of the micro switches 24 and the independent movement of multiple sets of slide plates 28 and springs 27, the tilt of the tower in multiple directions can be accurately detected.

[0031] By using the center pole 1 and the buffer assembly 4, when the center pole 1 is fixed to the ground, through the connecting block 43, the support rod 44, the shock absorbing column 45 and the damping shock absorber 46, the tower has an elastic support and buffering effect on the inner wall of the tower under slight wind vibration from the outside, further enhancing the wind vibration resistance of the tower. When the wind force is strong, the damping shock absorber 46 can better absorb energy and reduce the vibration of the tower. At the same time, the isosceles triangle structure formed by the support rod 44 and the connecting block 43 also enhances the stability of the buffer assembly 4.

[0032] By using the detection component 2 arranged inside the wind turbine tower, interference from bad weather in the external environment, such as the influence of rain and snow on the laser signal, which may affect the working stability of the device, is avoided. At the same time, the phenomenon of misjudging the tilt caused by slight vibration is also avoided, because only when the tower is actually tilted, the touch rod 29 will be touched, thereby triggering the micro switch 24.

[0033] When installing the center pole 1, make sure it is located at the center of the inner side of the tower, and the bottom is firmly buried and fixed underground to ensure its stability. The detection component 2 and the buffer component 4 must be accurately installed on the outside of the center pole 1 according to the design requirements. For the detection component 2, pay attention to the degree of fixation between the fixing ring 21 and the center pole 1, as well as the installation order and accuracy of each component in the inner cavity 22. For the buffer component 4, pay attention to the fixation of the center block 41 to the center pole 1, the embedding degree of the installation tube 42 and the center block 41, whether the damping shock absorber 46 is correctly installed in the installation tube 42, and the connection accuracy of the shock column 45, the support rod 44 and the connecting block 43.

[0034] After the installation is completed, debugging is required. First, check whether the connection between the wireless transmission device 3 and the external monitoring device terminal is normal to ensure that the signal can be transmitted normally. Then, check the trigger sensitivity of the micro switch 24 in the detection component 2, and observe whether the micro switch 24 can be accurately triggered by simulating the tilt of the tower. For the buffer component 4, check its shock absorption effect, and observe whether the vibration of the tower meets expectations by simulating different wind conditions. If problems are found, adjust and repair them in time.

[0035] Regularly check the tower inclination monitoring device. For the detection component 2, check whether the fixing ring 21 is loose, whether the components in the inner cavity 22 are damaged, whether the micro switch 24 is working properly, whether the trigger rod 25 and the touch rod 29 are deformed, etc. For the buffer component 4, check whether the center block 41 is loose, whether the installation cylinder 42 is damaged, whether the damping shock absorber 46 is working properly, whether the shock column 45 and the support rod 44 are deformed, etc. At the same time, check whether the wireless transmission device 3 is working properly and whether the signal transmission is normal.

[0036] If any problems are found during the inspection, troubleshooting should be carried out in a timely manner. For the detection component 2, if the fixing ring 21 is loose, it should be re-fixed; if the components in the inner cavity 22 are damaged, the corresponding components should be replaced; if the micro switch 24 is not working properly, check whether its circuit connection is normal, and replace the micro switch 24 if necessary; if the trigger rod 25 or the touch rod 29 is deformed, replace the corresponding components. For the buffer component 4, if the center block 41 is loose, it should be re-fixed; if the mounting cylinder 42 is damaged, replace the corresponding components; if the damping shock absorber 46 is not working properly, check whether its circuit connection is normal, and replace the damping shock absorber 46 if necessary; if the shock column 45 or the support rod 44 is deformed, replace the corresponding components. If the wireless transmission device 3 is not working properly, check whether its circuit connection is normal, and replace the wireless transmission device 3 if necessary.

[0037] Due to the complex environment in which the wind turbine tower is located, the device needs to have good environmental adaptability. In a cold environment, it is necessary to ensure that the components will not be damaged by low temperature, such as the spring 27 will not lose its elasticity due to low temperature, and the damping shock absorber 46 will not freeze due to low temperature. In a hot environment, it is necessary to ensure that the components will not be damaged by high temperature, such as the plastic components will not be deformed due to high temperature. In a humid environment, it is necessary to ensure that the components will not be corroded by humidity, such as the metal components will not rust due to humidity. In order to improve environmental adaptability, some special materials or protective measures can be used, such as galvanizing metal parts and using high-temperature and low-temperature resistant materials for plastic parts.

[0038] When designing and manufacturing tower tilt monitoring devices, cost-effectiveness should be considered. On the one hand, it is necessary to ensure that the performance of the device can meet the requirements, accurately detect the tilt of the tower, and have good wind resistance and shock absorption effects and stability. On the other hand, it is necessary to control costs and optimize material selection and manufacturing processes. For example, in material selection, materials with suitable performance and reasonable prices should be selected; in manufacturing processes, efficient and simple processes should be adopted to reduce unnecessary processes and costs. Through cost-effectiveness analysis, it can be ensured that the device has good economic benefits while meeting performance requirements.

Claims

1. A tower tilt monitoring device, include: A center pole (1), characterized in that: the center pole (1) is arranged inside a wind power tower, and a detection component (2) and a buffer component (4) are arranged outside the center pole (1), and a wireless transmission device (3) is arranged on the upper side of the detection component (2), the detection component (2) comprises a fixing ring (21) fixed to the outside of the center pole (1), and an inner cavity (22) is provided inside the fixing ring (21), and a positioning ring (23) is arranged in the middle of the inner cavity (22), a micro switch (24) is installed on the outer side of the positioning ring (23), a trigger rod (25) is arranged on the outer side of the micro switch (24), and a touch rod (29) is arranged on the outer side of the trigger rod (25).

2. A tower inclination monitoring device according to claim 1, It is characterized in that The touch rod (29) is slidably inserted into the interior of the fixing ring (21), and the inner end of the touch rod (29) is connected to a slide plate (28), and the slide plate (28) is slidably connected in the inner cavity (22).

3. A tower inclination monitoring device according to claim 1, It is characterized in that The outer end of the trigger rod (25) is connected to the inner side of the slide plate (28), and a fixing plate (26) is slidably connected to the outer side of the trigger rod (25), and the fixing plate (26) is fixed in the inner cavity (22). A spring (27) is provided between the fixing plate (26) and the slide plate (28) and is sleeved on the outer side of the trigger rod (25).

4. A tower inclination monitoring device according to claim 1, It is characterized in that The center of the positioning ring (23) is connected to a vertical rod that vertically penetrates the ring body, and the vertical rod is arranged at the center of the inner cavity (22), and the micro switches (24) are arranged at equal distances along the circumferential outer wall of the positioning ring (23).

5. A tower inclination monitoring device according to claim 1, It is characterized in that The wireless transmission device (3) comprises a wireless signal sending module arranged inside, and the wireless transmission device (3) is electrically connected to the micro switch (24).

6. A tower inclination monitoring device according to claim 1, It is characterized in that A buffer component (4) is provided on the outside of the central rod (1), and the buffer components (4) are arranged at equal intervals up and down, and the buffer component (4) is located at the bottom of the detection component (2).

7. A tower inclination monitoring device according to claim 6, It is characterized in that The buffer assembly (4) comprises a central block (41) fixed on the outside of the central rod (1), a mounting tube (42) is embedded in the interior of the central block (41), and a damping shock absorber (46) is installed in the interior of the mounting tube (42).

8. A tower inclination monitoring device according to claim 7, It is characterized in that The buffer assembly (4) further comprises a shock absorbing column (45) slidably inserted into the center block (41), wherein the inner end of the shock absorbing column (45) is connected to the damping shock absorber (46), and the outer end of the shock absorbing column (45) is connected to a support rod (44), and the outer end of the support rod (44) is connected to a connecting block (43), and the connecting block (43) is connected to the inner wall of the tower.

9. A tower inclination monitoring device according to claim 8, It is characterized in that When the micro switch (24) of the detection component (2) is triggered, the trigger signal is transmitted to the external monitoring device terminal via the wireless transmission device (3), and the signal encryption and error correction functions should be provided. The signal encryption should adopt an encryption algorithm that complies with industrial security standards to ensure the security and confidentiality of signal transmission and prevent the signal from being maliciously intercepted and tampered with. The error correction function should be able to automatically identify and correct erroneous signals that occur during the transmission process, ensuring that the monitoring personnel receive accurate tower tilt information.

10. A tower inclination monitoring device according to claim 9, It is characterized in that The damping shock absorber (46) in the buffer assembly (4) should have the function of adjusting the damping coefficient. By adjusting the damping coefficient, the shock absorption effect of the buffer assembly (4) can be flexibly adjusted according to different wind conditions and tower vibration conditions. When the wind force is strong, the damping coefficient can be appropriately increased to enhance the shock absorption effect and reduce the vibration of the tower; when the wind force is weak, the damping coefficient can be appropriately reduced to avoid excessive shock absorption affecting the normal operation of the tower. At the same time, the damping shock absorber (46) should have good durability and reliability, and be able to maintain stable performance during long-term use, ensuring that the buffer assembly (4) can always effectively play a shock absorption role.

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