Wind generating set tower drum load test data acquisition equipment

Abstract

The utility model relates to the technical field of tower drum load data acquisition, in particular to wind generating set tower drum load test data acquisition equipment, which comprises a main control cabinet, a signal conditioner is connected to the side surface of the main control cabinet, and a resistance strain gauge is connected to the side surface of the signal conditioner; a wireless communication device is installed on one side of the protection box, and a solar panel is installed above the protection box; the device has the beneficial effects that the whole protection box is installed at a proper position, then the two groups of resistance strain gauges are installed on the surface of the wind generating set tower drum to be detected, the stress state of the tower drum can be reflected in real time through the resistance strain gauges, then the signal conditioner amplifies, filters and conditions electric signals output by the sensor, and the detection accuracy is improved. According to the utility model, the accuracy and stability of signals are ensured, data are acquired, processed and transmitted through the main control cabinet, the acquisition result can be transmitted to the land through the wireless communication device, and the solar panel on the protection box can continuously provide energy for the device for a long time.

Description

Technical Field

[0001] This utility model relates to the field of tower load data acquisition technology, specifically a wind turbine tower load test data acquisition device. Background Technology

[0002] The acquisition of test data on the load of wind turbine towers is crucial, as it directly affects the safety and reliability of the unit. Accurate data acquisition can comprehensively reflect the stress on the tower under various working conditions, ensuring that its structural design is reasonable, avoiding potential safety hazards, and accurate test data can help optimize tower design, improve material utilization, reduce construction costs, and extend service life.

[0003] In existing technologies, traditional data acquisition devices for testing wind turbine tower loads mainly consist of a testing device, a data acquisition unit, and a power supply. The testing device measures stress, the data acquisition unit collects and transmits signals, and the power supply module provides stable power. These components work together to ensure accurate load data acquisition.

[0004] However, when using traditional wind turbine tower load test data acquisition devices, the high installation position and fixed power capacity of the device, which cannot be replenished automatically, result in a short operating time. To address this issue, this invention proposes a wind turbine tower load test data acquisition device. Utility Model Content

[0005] The purpose of this invention is to provide a data acquisition device for testing the load on the tower of a wind turbine generator set, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a wind turbine tower load test data acquisition device, the wind turbine tower load test data acquisition device comprising: a main control cabinet, a signal conditioner connected to the side of the main control cabinet, and a resistance strain gauge connected to the side of the signal conditioner;

[0007] The protective box has a wireless communication device installed on one side and a solar panel installed on the top.

[0008] Preferably, the protective box has a rectangular parallelepiped structure, with fixed plates fixedly installed on both sides of the protective box. Several fixing holes are opened on the surface of the fixed plates, and a square groove is opened on the surface of the protective box. A protective door is installed on the surface of the protective box, and an installation groove is opened on the surface of the protective door. A viewing panel is fixedly installed in the installation groove.

[0009] Preferably, a plurality of solar panels are installed in the square groove in a linearly equidistant arrangement, and a transparent protective plate is fixedly installed at the upper end of the square groove, with the transparent protective plate located directly above the solar panels. The solar panels are electrically connected to the main control cabinet.

[0010] Preferably, the main control cabinet has a rectangular parallelepiped structure and is fixedly installed on the inner surface of the protective box. A slot is provided on one side of the main control cabinet, in which a wireless communication device is inserted. The main control cabinet is electrically connected to a power supply, which is fixedly installed inside the protective box. A mounting bracket is installed on one side of the main control cabinet.

[0011] Preferably, the mounting bracket is fixedly installed on the inner wall surface of the protective box. The surface of the mounting bracket is provided with a sliding groove, and a hole is provided at the upper end of the sliding groove. A fixing nut is fixedly installed in front of the hole, and a fixing screw is screwed into the fixing nut.

[0012] Preferably, the signal conditioner has a clamping plate fixedly installed at both ends. The clamping plate is clamped in the slide groove and can move up and down in the slide groove. One side of the signal conditioner is electrically connected to the resistance strain gauge and the other side of the signal conditioner is electrically connected to the main control cabinet.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This invention proposes a data acquisition device for testing the load on a wind turbine tower. In use, the protective housing is installed in a suitable location, and two sets of resistance strain gauges are then installed on the surface of the wind turbine tower to be tested. The strain gauges reflect the stress state of the tower in real time. A signal conditioner amplifies, filters, and conditions the electrical signals output from the sensors to ensure accuracy and stability. The main control cabinet then collects, processes, and transmits the data. Simultaneously, the data can be transmitted to land via a wireless communication device. Furthermore, the solar panels on the protective housing provide continuous power to the device for extended periods, enabling continuous and stable data acquisition and avoiding the problem of short battery life in traditional data acquisition devices. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the structural signal conditioner of this utility model;

[0018] Figure 4 This is a schematic diagram of the back structure of this utility model.

[0019] In the diagram: 1. Main control cabinet; 2. Signal conditioner; 3. Resistance strain gauge; 4. Protective box; 5. Wireless communication device; 6. Solar panel; 7. Fixing hole; 8. Protective door; 9. Visible panel; 10. Square groove; 11. Transparent protective plate; 12. Power supply; 13. Mounting bracket; 14. Slide; 15. Fixing nut; 16. Fixing screw; 17. Fixing plate. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] Example 1: Please refer to Figures 1 to 4 This utility model provides a technical solution: a wind turbine tower load test data acquisition device, the wind turbine tower load test data acquisition device includes: a main control cabinet 1, a signal conditioner 2 connected to the side of the main control cabinet 1, and a resistance strain gauge 3 connected to the side of the signal conditioner 2.

[0022] The protective box 4 has a wireless communication device 5 installed on one side and a solar panel 6 installed on the top of the protective box 4.

[0023] In use, the protective box 4 is installed in a suitable position, and then two sets of resistance strain gauges 3 are installed on the surface of the wind turbine tower to be tested. The resistance strain gauges 3 can reflect the stress state of the tower in real time. Then, the signal conditioner 2 amplifies, filters and conditions the electrical signal output by the sensor to ensure the accuracy and stability of the signal. The main control cabinet 1 collects, processes and transmits the data. At the same time, the data collection results can be transmitted to the ground through the wireless communication device 5. The solar panel 6 on the protective box 4 can continuously provide energy to the device for a long time, thereby achieving continuous and stable data collection. This avoids the problem of short battery life of the data collection device.

[0024] Example 2: Based on Example 1, in order to provide the device with long-term battery life, a square slot 10 is provided. Several solar panels 6 are installed in the square slot 10 in a linear and equidistant arrangement. A transparent protective plate 11 is fixedly installed at the upper end of the square slot 10. The transparent protective plate 11 is located directly above the solar panels 6. The solar panels 6 are electrically connected to the main control cabinet 1.

[0025] The protective box 4 has a rectangular structure. Fixing plates 17 are fixedly installed on both sides of the protective box 4. Several fixing holes 7 are opened on the surface of the fixing plates 17. A square groove 10 is opened on the surface of the protective box 4. A protective door 8 is installed on the surface of the protective box 4. An installation groove is opened on the surface of the protective door 8. A visible panel 9 is fixedly installed in the installation groove.

[0026] When in use, a solar panel 6 is installed in the square slot 10 at the top of the protective box 4. When the device is running, the solar panel 6 can continuously provide energy to the device and can also supplement the power supply 12.

[0027] Example 3: Based on Example 2, a main control cabinet 1 is provided for the convenience of the device. The main control cabinet 1 is a rectangular structure. The main control cabinet 1 is fixedly installed on the inner surface of the protective box 4. A slot is opened on one side surface of the main control cabinet 1, and a wireless communication device 5 is inserted into the slot. The main control cabinet 1 is electrically connected to the power supply 12. The power supply 12 is fixedly installed in the protective box 4. A mounting bracket 13 is installed on one side of the main control cabinet 1.

[0028] To make it easier for staff to collect data, the device processes and analyzes the data collected by the acquisition device through the main control cabinet 1, and then transmits the results to the monitoring center or other relevant equipment on land through the wireless communication device 5, thereby facilitating the overall use of the device.

[0029] The signal conditioner 2 has a clamp plate fixedly installed at both ends. The clamp plate is clamped in the slide groove 14 and can move up and down in the slide groove 14. One side of the signal conditioner 2 is electrically connected to the resistance strain gauge 3, and the other side of the signal conditioner 2 is electrically connected to the main control cabinet 1.

[0030] Mounting bracket 13 is fixedly installed on the inner wall surface of protective box 4. Mounting bracket 13 has a sliding groove 14 on its surface. A hole is opened at the upper end of the sliding groove 14. A fixing nut 15 is fixedly installed in front of the hole. A fixing screw 16 is screwed into the fixing nut 15.

[0031] During installation, the operator can insert the signal conditioner 2 into the slide 14 and use the fixing screw 16 to lock the wireless communication device 5 into the slide 14, thereby facilitating the installation and replacement of the signal conditioner 2.

[0032] Working principle: In actual use, the protective box 4 is installed in a suitable position. Then, two sets of resistance strain gauges 3 are installed on the surface of the wind turbine tower to be tested. The resistance strain gauges 3 can reflect the stress state of the tower in real time. Then, the signal conditioner 2 amplifies, filters and conditions the electrical signal output by the sensor to ensure the accuracy and stability of the signal. The main control cabinet 1 collects, processes and transmits the data. At the same time, the data collection results can be transmitted to the ground through the wireless communication device 5. The solar panel 6 on the protective box 4 can continuously provide energy to the device for a long time, thereby achieving continuous and stable data collection. This avoids the problem of short battery life of the data collection device.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A data acquisition device for testing the load on the tower of a wind turbine generator set, characterized in that: The wind turbine tower load test data acquisition equipment includes: a main control cabinet (1), a signal conditioner (2) connected to the side of the main control cabinet (1), and a resistance strain gauge (3) connected to the side of the signal conditioner (2). The protective box (4) has a wireless communication device (5) installed on one side and a solar panel (6) installed on the top of the protective box (4).

2. The wind turbine tower load test data acquisition device according to claim 1, characterized in that: The protective box (4) is a rectangular box with fixed plates (17) on both sides. The fixed plates (17) have several fixing holes (7) on their surface. The protective box (4) has a square groove (10) on its surface. The protective box (4) has a protective door (8) on its surface. The protective door (8) has an installation groove on its surface. A viewing panel (9) is fixedly installed in the installation groove.

3. The wind turbine tower load test data acquisition device according to claim 2, characterized in that: The square groove (10) is equipped with several solar panels (6) arranged linearly and equidistantly. A transparent protective plate (11) is fixedly installed at the upper end of the square groove (10). The transparent protective plate (11) is located directly above the solar panels (6). The solar panels (6) are electrically connected to the main control cabinet (1).

4. The wind turbine tower load test data acquisition device according to claim 1, characterized in that: The main control cabinet (1) has a rectangular structure. The main control cabinet (1) is fixedly installed on the inner surface of the protective box (4). A slot is opened on one side of the main control cabinet (1), and a wireless communication device (5) is inserted into the slot. The main control cabinet (1) is electrically connected to the power supply (12). The power supply (12) is fixedly installed in the protective box (4). A mounting bracket (13) is installed on one side of the main control cabinet (1).

5. The wind turbine tower load test data acquisition device according to claim 4, characterized in that: The mounting bracket (13) is fixedly installed on the inner wall surface of the protective box (4). A sliding groove (14) is provided on the surface of the mounting bracket (13). A hole is provided at the upper end of the sliding groove (14). A fixing nut (15) is fixedly installed in front of the hole. A fixing screw (16) is screwed into the fixing nut (15).

6. The wind turbine tower load test data acquisition device according to claim 1, characterized in that: The signal conditioner (2) has a card plate fixedly installed at both ends. The card plate is inserted into the slide groove (14) and can move up and down in the slide groove (14). One side of the signal conditioner (2) is electrically connected to the resistance strain gauge (3) and the other side of the signal conditioner (2) is electrically connected to the main control cabinet (1).

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