Laser radar wind measuring device based on electronic compass positioning
By introducing a water collection tank and a dehumidification mechanism into the lidar wind measurement device, rainwater is used to expel moisture, which solves the problem of component corrosion caused by moisture intrusion, improves measurement accuracy and stability, and extends the service life of the device.
Patent Information
- Application Number
- CN202423171568.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-23
AI Technical Summary
In harsh environments, especially during heavy rain, the heat dissipation holes and gaps of the lidar wind measurement device are prone to moisture intrusion, causing mold and corrosion of the components, affecting the measurement accuracy and stability.
A housing structure including a water collection tank, a dehumidification mechanism, and a dustproof net was designed. Rainwater is introduced into the water collection tank and the moisture is discharged through a dehumidification fan and a worm gear system to prevent moisture from entering electronic components and keep the inside of the device dry.
It effectively prevents moisture oxidation, improves measurement accuracy and stability, and extends the service life of electronic components.
Smart Images
Figure CN223681391U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of wind measuring equipment, and specifically relates to a laser radar wind measuring device based on electronic compass positioning. BACKGROUND
[0002] The laser radar wind measuring device based on electronic compass positioning is an equipment for realizing accurate measurement of wind field information by using electronic compass positioning in combination with the feedforward measurement technology of laser radar;
[0003] At present, the traditional laser radar wind measuring device based on electronic compass positioning is matched with the feedforward measurement technology of laser radar through an electronic compass positioning system, can calculate absolute wind direction angles, and then directly gives the values to a wind turbine main control system.
[0004] However, the working environment of part of the laser radar wind measuring devices is relatively poor, especially when it is raining, since the device is usually designed with heat dissipation holes and gaps to ensure normal heat dissipation of internal elements, the openings may become a channel for moisture intrusion in rainy days, once the moisture enters the internal device, if it cannot be discharged in time, a water film or water droplets will be formed on the surface of the electronic elements, and then mildew, corrosion or oxidation will be caused, the mildew will not only affect the electrical performance of the elements, but also may damage the structural integrity of the elements, and then affect the measurement accuracy and stability of the laser radar wind measuring device. UTILITY MODEL CONTENTS
[0005] To solve the problems in the background art, the utility model provides a laser radar wind measuring device based on electronic compass positioning.
[0006] To achieve the above object, the utility model provides the following technical scheme: a laser radar wind measuring device based on electronic compass positioning, comprising a shell;
[0007] A water collecting tank is fixedly connected to one side of the outer surface of the shell.
[0008] A moisture removal mechanism is arranged on one side of the inner cavity of the shell, and comprises a moisture removal hole, a mounting plate fixedly installed in the inside of the moisture removal hole, a moisture removal fan rotatably connected to the inside of the mounting plate, a worm wheel fixedly installed on one side of the moisture removal fan, a fixed shell fixedly installed on one side of the outer surface of the shell, an impeller rotatably connected to the inside of the fixed shell, a worm fixedly installed on one side of the impeller and engaged with the worm wheel, and a water inlet pipe fixedly installed at the top end of the fixed shell and fixedly connected to one end of the water collecting tank.
[0009] Preferably, the bottom end of the fixed shell is fixedly provided with a water outlet pipe, the inside of the mounting plate is rotationally connected with a limiting ring located on the surface of the dehumidification fan, the surface of the limiting ring is attached to the inner wall of the mounting plate, and the limiting ring is fixedly connected with the dehumidification fan.
[0010] Preferably, the inside of the dehumidification hole is fixedly provided with a dustproof net located on one side of the dehumidification fan, the surface of the dustproof net is provided with filter holes, and the dustproof net is located on the center of the shell and is designed longitudinally symmetrically.
[0011] Preferably, the inside of the water collecting groove is fixedly provided with a flow guide block, and the flow guide block is designed to be inclined.
[0012] Preferably, the bottom end of the shell is fixedly provided with a support, the surface of the support is provided with threaded holes, the number of the threaded holes is plural, and the threaded holes are arrayed on the surface of the support.
[0013] Preferably, one side of the shell is fixedly provided with a blocking shell located at the bottom end of the water collecting groove, and the blocking shell is designed to be inclined.
[0014] Preferably, one side of the shell is fixedly provided with a flow guide plate located at the top end of the water collecting groove, and the flow guide plate is designed to be inclined.
[0015] Compared with the prior art, the utility model has the advantages of the following:
[0016] The utility model discloses a shell is used for guiding rainwater into the inside of water collecting groove, then rainwater will pass through the water inlet pipe and enter the inside of fixed shell, and will drive the impeller and the worm to rotate, the worm will drive the worm wheel and the dehumidification fan to rotate, through the rotation of the dehumidification fan, the humidity in the inside of shell will be sucked, then the humidity that is sucked will be discharged from the inside of the dehumidification hole, finally the humidity in the inside of shell is discharged through the rotating impeller and the dehumidification fan, avoids causing the oxidation reaction in the inside of electronic element, improves the measuring accuracy and stability of the device. ACCURACY OF DRAWINGS
[0017] Figure 1 It is the structural schematic diagram of the utility model;
[0018] Figure 2 It is the schematic diagram of the oblique device of the utility model;
[0019] Figure 3 It is the schematic diagram of the sectional water collecting groove of the utility model;
[0020] Figure 4 It is the schematic diagram of the sectional shell of the utility model;
[0021] Figure 5 It is the schematic diagram of the sectional mounting plate of the utility model.
[0022] In the diagram: 1. Shell; 2. Water collection tank; 3. Exhaust hole; 4. Mounting plate; 5. Exhaust fan; 6. Worm gear; 7. Fixed shell; 8. Impeller; 9. Worm; 10. Water inlet pipe; 11. Water outlet pipe; 12. Limiting ring; 13. Dustproof net; 14. Guide block; 15. Bracket; 16. Threaded hole; 17. Block shell; 18. Guide plate. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] like Figures 1 to 5 As shown, this utility model provides a lidar wind measuring device based on electronic compass positioning, including a housing 1;
[0025] Water collection tank 2 is fixedly connected to one side of the outer surface of housing 1;
[0026] A dehumidification mechanism is located on one side of the inner cavity of the housing 1. The dehumidification mechanism includes a dehumidification hole 3, which is fixedly connected to one side of the inner cavity of the housing 1. An installation plate 4 is fixedly installed inside the dehumidification hole 3. A dehumidification fan 5 is rotatably connected inside the installation plate 4. A worm gear 6 is fixedly installed on one side of the dehumidification fan 5. A fixed shell 7 is fixedly installed on one side of the outer surface of the housing 1. An impeller 8 is rotatably connected inside the fixed shell 7. A worm 9 that meshes with the worm gear 6 is fixedly installed on one side of the impeller 8. A water inlet pipe 10 is fixedly installed at the top of the fixed shell 7, and one end of the water inlet pipe 10 is fixedly connected to one end of the water collection tank 2.
[0027] Using the above scheme: the operator fixes the device on the bracket, and then the electronic compass positioning system inside the housing 1, together with the feedforward measurement technology of the lidar, can calculate the absolute wind direction angle, and then give the value directly to the wind turbine main control system.
[0028] When the device works in a heavy rain, the rain will fall on the top of the shell 1, because the shell 1 is inclined design, and then the rain will fall in the water collecting tank 2, and the rain in the water collecting tank 2 will flow into the water inlet pipe 10, and the rain will flow through the water inlet pipe 10 into the fixed shell 7, and then the flowing rain will contact the fan blade on the surface of the impeller 8, thereby driving the impeller 8 to rotate, the impeller 8 drives the worm 9 to rotate, because the worm 9 is engaged with the worm wheel 6, and then the worm 9 drives the worm wheel 6 to rotate, the worm wheel 6 drives the exhaust fan 5 to rotate, through the rotation of the exhaust fan 5, the moisture in the shell 1 is absorbed, and then the absorbed moisture is discharged from the exhaust hole 3, finally the moisture in the shell 1 is discharged by the rotating impeller 8 and the exhaust fan 5, avoiding the oxidation reaction in the electronic components, improving the measurement accuracy and stability of the device.
[0029] As shown in Figure 2 , Figure 4 and Figure 5 , the bottom end of the fixed shell 7 is fixedly installed with a water outlet pipe 11, the inside of the mounting plate 4 is rotatably connected with a limiting ring 12 on the surface of the exhaust fan 5, the surface of the limiting ring 12 is matched with the inner wall of the mounting plate 4, and the limiting ring 12 is fixedly connected with the exhaust fan 5, and the inside of the exhaust hole 3 is fixedly installed with a dust screen 13 on one side of the exhaust fan 5, the surface of the dust screen 13 is provided with filter holes, and the dust screen 13 is located in the center of the shell 1 and is vertically symmetrical.
[0030] By the above scheme: through the design of the water outlet pipe 11 and the limiting ring 12, after the rain drives the impeller 8 to rotate, the rain in the fixed shell 7 can be discharged from the inside of the water outlet pipe 11, and when the exhaust fan 5 rotates, the limiting ring 12 will rotate, because the surface of the limiting ring 12 is matched with the inner wall of the mounting plate 4, and then when the limiting ring 12 rotates, the exhaust fan 5 can be limited, avoiding the position of the exhaust fan 5 from being deviated when it rotates, through the design of the dust screen 13 and the flow guide block 14, when the exhaust mechanism is not used, the external air can enter the inside of the shell 1 through the filter holes on the surface of the dust screen 13, thereby cooling the electronic components in the shell 1, and the dust screen 13 can isolate the dust in the air, thereby prolonging the service life of the electronic components.
[0031] As shown in Figure 2 and Figure 3 , the inside of the water collecting tank 2 is fixedly installed with a flow guide block 14, and the flow guide block 14 is inclined design, the bottom end of the shell 1 is fixedly installed with a support 15, the surface of the support 15 is provided with threaded holes 16, the number of the threaded holes 16 is multiple, and the threaded holes 16 are arrayed on the surface of the support 15.
[0032] Adopting the above scheme: through the design of the flow guide block 14, when the rainwater enters the inside of the water collecting groove 2, it will fall on the top end of the flow guide block 14, and since the flow guide block 14 is designed to be inclined, the flow guide block 14 will guide the rainwater into the inside of the water inlet pipe 10, thereby ensuring that the dehumidification mechanism can work normally, through the design of the support 15 and the threaded hole 16, the shell 1 can be placed on the support, and then the fixing bolt can be inserted into the inside of the threaded hole 16, thereby the device can be fixed on the support, improving the stability of the device, and the number of threaded holes 16 is multiple, thereby the fixing effect of the device can be increased.
[0033] As shown in Figure 2 and Figure 3 the side of the shell 1 is fixedly installed with the blocking shell 17 located at the bottom end of the water collecting groove 2, and the blocking shell 17 is designed to be inclined, and the side of the shell 1 is fixedly installed with the flow guide plate 18 located at the top end of the water collecting groove 2, and the flow guide plate 18 is designed to be inclined.
[0034] Adopting the above scheme: through the design of the blocking shell 17, since the blocking shell 17 wraps the dust screen 13, and the blocking shell 17 is designed to be inclined, the rainwater can be blocked, avoiding the rainwater from entering the inside of the shell 1 through the dust screen 13, through the design of the flow guide plate 18, since the flow guide plate 18 is designed to be inclined, when the rainwater flows at the top end of the shell 1, the flow guide plate 18 will guide the rainwater into the inside of the water collecting groove 2.
[0035] The working principle and use process of the utility model are as follows:
[0036] Firstly, the operator can place the shell 1 on the support, then insert the threaded hole 16 into the inside of the support 15, thereby the device can be fixed, then the electronic compass positioning system in the inside of the shell 1 cooperates with the feedforward measurement technology of the laser radar, can calculate the absolute wind direction angle, then the value is directly given to the wind turbine main control system;
[0037] When the device works in rainy weather, the rainwater will fall on the top end of the shell 1, then the shell 1 will guide the rainwater into the inside of the water collecting groove 2, then the rainwater will pass through the water inlet pipe 10 and enter the inside of the fixed shell 7, and will drive the impeller 8 and the worm 9 to rotate, the worm 9 will drive the worm gear 6 and the dehumidification fan 5 to rotate, through the rotation of the dehumidification fan 5, the humidity in the inside of the shell 1 will be sucked, and then the sucked humidity will be discharged from the inside of the dehumidification hole 3, thereby the service life of the device is improved, and finally the operation process is completed.
[0038] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0039] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A lidar wind measurement device based on electronic compass positioning, characterized in that: Includes the housing (1); Water collection tank (2) is fixedly connected to one side of the outer surface of the shell (1); A dehumidification mechanism is provided on one side of the inner cavity of the housing (1). The dehumidification mechanism includes a dehumidification hole (3). The dehumidification hole (3) is fixedly connected to one side of the inner cavity of the housing (1). An installation plate (4) is fixedly installed inside the dehumidification hole (3). A dehumidification fan (5) is rotatably connected inside the installation plate (4). A worm gear (6) is fixedly installed on one side of the dehumidification fan (5). A fixed shell (7) is fixedly installed on one side of the outer surface of the housing (1). An impeller (8) is rotatably connected inside the fixed shell (7). A worm (9) that meshes with the worm gear (6) is fixedly installed on one side of the impeller (8). A water inlet pipe (10) is fixedly installed at the top of the fixed shell (7), and one end of the water inlet pipe (10) is fixedly connected to one end of the water collection tank (2).
2. The lidar wind measurement device based on electronic compass positioning according to claim 1, characterized in that: A water outlet pipe (11) is fixedly installed at the bottom of the fixed shell (7). A limiting ring (12) located on the surface of the dehumidifying fan (5) is rotatably connected inside the mounting plate (4). The surface of the limiting ring (12) is in contact with the inner wall of the mounting plate (4), and the limiting ring (12) is fixedly connected to the dehumidifying fan (5).
3. The lidar wind measurement device based on electronic compass positioning according to claim 1, characterized in that: The dustproof net (13) located on one side of the exhaust fan (5) is fixedly installed inside the exhaust hole (3). The surface of the dustproof net (13) is provided with filter holes, and the dustproof net (13) is longitudinally symmetrically designed at the center of the housing (1).
4. The lidar wind measurement device based on electronic compass positioning according to claim 1, characterized in that: The water collection tank (2) is fixedly installed with a guide block (14), and the guide block (14) is designed to be inclined.
5. The lidar wind measurement device based on electronic compass positioning according to claim 1, characterized in that: A bracket (15) is fixedly installed at the bottom of the housing (1). The surface of the bracket (15) is provided with threaded holes (16). There are multiple threaded holes (16), and the threaded holes (16) are arranged in an array on the surface of the bracket (15).
6. The lidar wind measuring device based on electronic compass positioning according to claim 1, characterized in that: A baffle shell (17) is fixedly installed on one side of the housing (1) at the bottom of the water collection tank (2), and the baffle shell (17) is designed to be inclined.
7. The lidar wind measurement device based on electronic compass positioning according to claim 1, characterized in that: A guide plate (18) is fixedly installed on one side of the housing (1) at the top of the water collection tank (2), and the guide plate (18) is designed to be inclined.