CN111239435A - Wind speed and wind direction integrated detection sensor - Google Patents
Wind speed and wind direction integrated detection sensor Download PDFInfo
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- CN111239435A CN111239435A CN202010074295.2A CN202010074295A CN111239435A CN 111239435 A CN111239435 A CN 111239435A CN 202010074295 A CN202010074295 A CN 202010074295A CN 111239435 A CN111239435 A CN 111239435A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
The invention provides a wind speed and wind direction integrated detection sensor, which comprises a shell, a wind cup/wind direction fan blade connected with the shell, and a non-contact magnetic rotary encoder arranged in the shell; the non-contact magnetic rotary encoder comprises a shaft lever and two-pole magnets at the lower end of the shaft lever, wherein a magnetic induction chip is arranged below the two-pole magnets; the wind cup/wind direction fan blade drives the shaft lever and the magnet to synchronously rotate, the magnetic induction chip senses the change of the magnetic field, the relative angle position of the magnet is measured, and a wind speed/wind direction value is obtained through calculation. The wind speed sensor and the wind direction sensor uniformly adopt a non-contact magnetic rotary encoder on the collection principle, the two-pole magnets rotate at the center of the chip, the magnetic rotary encoder can measure the relative angle position of the magnets, the precision can reach 1 degree, and a wind speed value and a wind direction value are obtained through calculation; the wind cup fan blades and the wind direction fan blades can be replaced according to the needs of customers, a circuit and other accessories are shared, the production and the processing are more convenient, and the cost is greatly saved.
Description
Technical Field
The invention relates to the technical field of wind power detection, in particular to a wind speed and direction integrated detection sensor.
Background
For a construction site and meteorological measurement work related to great personal safety, when wind speed and wind direction need to be detected simultaneously, a wind speed sensor and a wind sensor need to be used for detecting respectively; a single detection format does not satisfy the accuracy and reliability of data measurement.
The existing wind speed sensor uses a photoelectric coded disc structure, a wind cup drives a toothed lightproof coded disc to enable an infrared geminate transistor to be switched on and off, the rotating speed of the wind cup is converted into square waves with different frequencies, and a processor collects pulse frequency and converts the pulse frequency into wind speed. The sensor has simple structure, low cost, single form and poor reliability, so the sensor is widely applied to fields with low precision requirement.
The existing wind direction sensor usually uses hall sensors, generally adopts 8 hall sensors, respectively represents east, west, south, north, southeast, northeast, southwest, and northwest, and the wind vane drives the magnet to rotate, and when the magnet is close to the hall sensor in the corresponding position, the processor acquires the output of the hall sensor to obtain the wind direction position.
Therefore, the existing wind speed sensor and the existing wind direction sensor have different signal acquisition modes and are realized by using different circuits, and the installation difficulty of the sensors is higher.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the wind speed and direction integrated detection sensor, the circuit of the main structure is common, the same main structure can simultaneously realize the detection of the wind speed and the wind direction, and the detection precision is high.
The wind speed and wind direction integrated detection sensor comprises a shell, a wind cup/wind direction fan blade connected with the shell, and a non-contact magnetic rotary encoder arranged in the shell;
the non-contact magnetic rotary encoder comprises a shaft lever and two-pole magnets at the lower end of the shaft lever, wherein a magnetic induction chip is arranged below the two-pole magnets; the wind cup/wind direction fan blade drives the shaft lever and the magnet to synchronously rotate, the magnetic induction chip senses the change of the magnetic field, the relative angle position of the magnet is measured, and a wind speed/wind direction value is obtained through calculation.
Preferably, a heating unit is further arranged in the shell, the heating unit comprises a temperature sensing head, a controller and a heating resistor, the temperature sensing head detects the external temperature and transmits a signal to the controller, and the controller receives the external temperature lower than a set value and controls the heating resistor to heat; the controller receives that the outside temperature is higher than a set value to control the heating resistor to stop heating.
Preferably, the wind cup/wind direction fan blade is connected by a cylindrical connecting cover with one end sealed and the other end open, and a connecting cap used for being connected with the rotating rod is arranged at the center of the inner bottom of the connecting cover.
Preferably, the shell is formed by detachably sleeving an upper shell and a lower shell; the non-contact magnetic rotary encoder is arranged in the upper shell, and the bottom of the lower shell is sleeved with the base.
Preferably, the upper shell comprises a connecting part connected with the connecting cover and a conical barrel-shaped mounting cavity connected with the connecting part and used for mounting the heating unit;
the upper shell is internally provided with an installation cylinder with openings at two ends, the installation cylinder extends into the conical barrel-shaped installation cavity from the connecting part, the shaft lever penetrates through two ends of the installation cylinder, one end of the shaft lever is connected with the connecting cap, and the other end of the shaft lever extends out of the installation cylinder and is connected with the two-pole magnet; the circuit board is arranged below the two-pole magnet, the magnetic induction chip and the controller are integrated on the circuit board, and the magnetic induction chip is located under the two-pole magnet.
Preferably, a plurality of mounting seats are arranged on the periphery of the mounting barrel extending into the cone-barrel-shaped mounting cavity in a spaced mode, and each mounting seat is connected with the mounting barrel through a connecting plate.
Preferably, a fixing plate is arranged in the lower shell, a mounting column matched with the mounting seat, a temperature sensing head for detecting temperature and a power plug are arranged on the fixing plate, and the assembly type mounting column is sleeved in the mounting seat;
the cavity below the fixed plate is internally provided with a base which is clamped in the space below the fixed plate of the lower shell.
Preferably, the shaft rod is formed by a middle section and two step sections connected with the two ends of the middle section, wherein the outer wall of one step section is provided with a notch, the step section with the notch is connected with the connecting cap, and the end part of the other step section is connected with the two-pole magnet; the connecting position of the middle section of the shaft lever and the two step sections is provided with a bearing.
Preferably, the periphery of the connecting cap is provided with a first arc-shaped ring and a second arc-shaped ring which are concentric with the connecting cap at intervals and have sequentially increased radiuses, the first arc-shaped ring extends towards the opening end of the sealing cover along the width, and the width of the first arc-shaped ring is larger than that of the second arc-shaped ring; the width of the connecting cap is larger than that of the first arc-shaped ring.
Preferably, the periphery of the connecting cap is provided with a reinforcing plate in a radiating manner, and the reinforcing plate penetrates through the first arc-shaped ring and the second arc-shaped ring; the heating resistor sleeve is of a hollow structure and is sleeved outside the first arc-shaped ring.
Compared with the prior art, the invention has the following beneficial effects:
1. the wind speed sensor and the wind direction sensor uniformly adopt a non-contact magnetic force rotary encoder on the collection principle, only a simple two-pole magnet is needed, when the wind speed sensor and the wind direction sensor are used, the non-contact magnetic force rotary encoder rotates at the central position of a magnetic induction chip, the relative angle position of the magnet can be measured by the non-contact magnetic force rotary encoder, the precision can reach 1 degree, and a wind speed value and a wind direction value are obtained through calculation; the fan blades of the wind cup and the fan blades of the wind direction can be replaced according to the needs of customers, a circuit and other accessories are shared, the production and the processing are more convenient, and the cost is greatly saved;
2. the heating resistor is installed, and the power output of the heating resistor is controlled by collecting the ambient temperature through the controller, so that the deicing and antifreezing functions are achieved;
3. the fan blade is of a labyrinth structure, so that moisture and dust are prevented from entering; according to the invention, through the matching of the wind cup, the inlet bearing and accessories thereof, the flow speed/wind direction of wind is converted into mechanical rotation speed, and then is converted into an electric signal through internal non-contact magnetic sensing, so that the electric signal detection of the wind speed/wind direction is realized, and the measurement accuracy is greatly improved;
4. the shell is formed by injection molding of improved engineering plastics, and has the advantages of elegant appearance, heat resistance, low temperature resistance, water resistance, corrosion resistance and excellent electrical performance; the method is widely applied to the fields of railways, ports, docks, power plants, cableways, environments, cultivation, agriculture, energy-saving monitoring, engineering machinery and the like;
5. in the production installation, the same circuit and structure can satisfy the wind speed and measure and also can satisfy the wind direction and measure, only need to change the flabellum and can accomplish the switching of wind speed to wind direction, increase the suitability of product, practiced thrift the cost greatly.
Drawings
FIG. 1 is a schematic structural diagram of the present invention for measuring wind direction;
FIG. 2 is a schematic view of the structure of the present invention for measuring wind speed;
FIG. 3 is a schematic diagram of the internal structure of the wind speed/direction measuring device of the present invention;
FIG. 4 is a schematic view of the structure of the connecting cover of the present invention;
FIG. 5 is a schematic view of the assembly of the hinge and the connection cover according to the present invention;
FIG. 6 is a schematic view of an assembly structure of the heating unit and the lower case according to the present invention;
FIG. 7 is a schematic view of the assembly of the lower housing and the base of the present invention;
fig. 8 is a schematic structural view of the upper case.
In the figure: the wind-sensing device comprises a shell 1, a wind cup 2, a wind-direction fan blade 21, a base 3, a connecting cover 4, a shaft lever 5, a heating resistor 6, a bearing 7, two-pole magnets 8, a circuit board 9, a magnetic induction chip 10, a temperature sensing head 11, a plug 12, a lower shell 31, a fixing plate 32, a fixing column 33, an upper shell 34, an installation cylinder 35, an installation seat 36, a connecting plate 37, a connecting part 38, a connecting cap 41, a first arc-shaped ring 42, a second arc-shaped ring 43 and a reinforcing plate 44.
Detailed Description
In order to achieve the purpose, the invention adopts the following technical scheme:
referring to fig. 1-8, the wind speed and direction integrated detection sensor comprises a shell 1, a wind cup 2/wind direction fan blade 21 connected with the shell, and a non-contact magnetic rotary encoder arranged in the shell 1; the non-contact magnetic rotary encoder comprises a shaft lever 5 and two-pole magnets 8 at the lower end of the shaft lever, wherein a magnetic induction chip 10 is arranged below the two-pole magnets 8; the wind cup 2/wind direction fan blade drives the shaft lever 5 and the magnet to synchronously rotate, the magnetic induction chip 10 senses the change of the magnetic field, the relative angle position of the magnet is measured, and the wind speed/wind direction value is obtained through calculation. The wind speed sensor and the wind direction sensor uniformly adopt a non-contact magnetic force rotary encoder on the collection principle, only one dipolar magnet 8 is needed, and the dipolar magnet is required to rotate at the center of a chip, the magnetic force rotary encoder can measure the relative angle position of the magnet, the precision can reach 1 degree, and a wind speed value and a wind direction value are obtained through calculation; the fan blades of the wind cup 2 and the wind direction fan blades can be replaced according to the needs of customers, a circuit and other accessories are shared, the production and the processing are more convenient, and the cost is greatly saved. Because the non-contact magnetic rotary encoder can accurately measure a complete 360 degrees, only the simple two-pole magnet 8 needs to rotate at the center of the magnetic induction chip 10, the non-contact magnetic rotary encoder can indicate the relative position of the magnet relative to the magnetic induction chip 10, 360 degrees of a circle is divided into 1024 equal angles inside the magnetic induction chip 10, and the angle of the magnet relative to the chip is calculated through the value of the equal angles. When the magnetic induction chip 10 is installed, the 0-degree direction faces the north and the south, and the wind vane drives the magnet to rotate, so that the azimuth angle of the wind direction can be measured.
When measuring the wind speed, the three-blade wind cup 2 is used for driving the magnet to rotate, the MCU reads the position of the magnet relative to the non-contact magnetic rotary encoder, the angular speed of the three-blade wind cup 2 is obtained by dividing the angular difference of two times by the time of two times of sampling, and the relation of the wind speed of the angular speed is established according to the relation of the rotating speed of the three-blade wind cup 2 and the wind speed, so that the wind speed is obtained.
The heating unit is arranged in the shell 1 and comprises a temperature sensing head 11, a controller and a heating resistor 6, the temperature sensing head 11 detects the external temperature and transmits a signal to the controller, and the controller receives the external temperature lower than a set value and controls the heating resistor 6 to heat; the controller receives that the outside temperature is higher than a set value to control the heating resistor 6 to stop heating. A heating resistor is installed, and the controller collects the ambient temperature to control the power output of the heating resistor, so that the deicing and antifreezing functions are achieved; the heating resistor is a heating copper sheet.
Preferably, the wind cup 2/the wind direction fan blade 21 are connected by a cylindrical connecting cover 4 with one end sealed and the other end open, and a connecting cap 41 for connecting with the rotating rod is arranged at the central position of the inner bottom of the connecting cover 4. A first arc-shaped ring 42 and a second arc-shaped ring 43 which are concentric with the connecting cap 41 and have sequentially increased radiuses are arranged at intervals on the periphery of the connecting cap 41, the first arc-shaped ring 42 extends towards the opening end of the sealing cover along the width, and the width of the first arc-shaped ring is larger than that of the second arc-shaped ring 43; the connecting cap 41 is wider than the first arcuate ring 42. A reinforcing plate 44 is radially arranged on the periphery of the connecting cap 41, and the reinforcing plate 44 penetrates through the first arc-shaped ring 42 and the second arc-shaped ring 43; the heating resistor 6 is of a hollow structure and is sleeved outside the first arc-shaped ring 42.
The upper shell 34 comprises a connecting part 38 connected with the connecting cover 4 and a conical barrel-shaped mounting cavity connected with the connecting part 38 and used for mounting the heating unit; an installation barrel 35 with openings at two ends is arranged in the upper shell 34, the installation barrel 35 extends into the cone-barrel-shaped installation cavity from the connecting part 38, the shaft lever 5 penetrates through two ends of the installation barrel 35, one end of the shaft lever is connected with the connecting cap 41, and the other end of the shaft lever extends out of the installation barrel 35 and is connected with the two-pole magnet 8; a circuit board 9 is arranged below the bipolar magnet 8, the magnetic induction chip 10 and the controller are integrated on the circuit board 9, and the magnetic induction chip 10 is positioned under the bipolar magnet 8. The periphery of the mounting barrel 35 extending into the cone-barrel-shaped mounting cavity is provided with a plurality of mounting seats 36 at intervals, and each mounting seat 36 is connected with the mounting barrel 35 through a connecting plate 37. A fixing plate 32 is arranged in the lower shell 31, an installation column matched with the installation seat 36, a temperature sensing head 11 for detecting temperature and a power plug 12 are arranged on the fixing plate 32, and the assembly type installation column is sleeved in the installation seat 36; the base 3 is arranged in the cavity below the fixing plate 32, and the base 3 is clamped in the space below the fixing plate 32 of the lower shell 31.
According to the invention, the wind cup 2 is matched with the inlet bearing 7 and accessories thereof, so that the flow speed of wind is converted into mechanical rotation speed, and then is converted into an electric signal through internal non-contact magnetic sensing, so that the electric signal detection of the wind speed is realized, and the measurement accuracy is greatly improved. The shell 1 is formed by injection molding of improved engineering plastics, and has the advantages of elegant appearance, heat resistance, low temperature resistance, water resistance, corrosion resistance and excellent electrical performance; the method is widely applied to the fields of railways, ports, docks, power plants, cableways, environments, cultivation, agriculture, energy-saving monitoring, engineering machinery and the like.
The shaft lever 5 is formed by a middle section and two step sections connected with the two ends of the middle section, wherein the outer wall of one step section is provided with a notch, the step section with the notch is connected with the connecting cap 41, and the end part of the other step section is connected with the two-pole magnet 8; the connecting position of the middle section of the shaft lever 5 and the two step sections is provided with a bearing 7.
During installation, the shaft lever 5 penetrates through the installation cylinder 35, the stepped section with the notch of the shaft lever 5 penetrates through the upper end of the installation cylinder 35 and is arranged in the connecting part 38, the bearing 7 is sleeved at the connecting part of the stepped section with the notch and the middle section, and the shaft lever 5 is fixed in the installation cylinder 35; the other step section extends to the lower end of the mounting cylinder 35 and is fixed through the shaft lever 5; the bipolar magnet 8 is connected to the lower end of the other step. The circuit board 9 is arranged in a mounting cavity below the two-pole magnet 8 in the upper shell 34, the magnetic induction chip 10 and the controller are integrated on the circuit board 9, and the magnetic induction chip 10 is fixed at the same time; directly below the bipolar magnet 8, the shaft 5 rotates, and the bipolar magnet 8 rotates directly above the magnetic induction chip 10. The lower shell 31 is connected with the upper shell 34 and then fixedly sleeved with the fixing column 33 through the fixing seat; the base 3 is fixed in the cavity of the lower case 31. The connecting cover 4 is connected with the connecting part 38, and a connecting cap 41 in the connecting cover 4 is connected with the stepped section with the notch on the shaft lever 5.
When the wind direction is measured, the fan blades rotate to enable the connecting cover 4 to drive the shaft lever 5 to rotate, the shaft lever 5 drives the two-pole magnet 8 to rotate at the center of the magnetic induction line chip, the magnetic induction chip 10 senses the change of a magnetic field, and the relative angle position of the magnet is measured. Because the non-contact magnetic rotary encoder can accurately measure a complete 360 degrees, only the simple two-pole magnet 8 needs to rotate at the center of the magnetic induction chip 10, the non-contact magnetic rotary encoder can indicate the relative position of the magnet relative to the magnetic induction chip 10, 360 degrees of a circle is divided into 1024 equal angles inside the magnetic induction chip 10, and the angle of the magnet relative to the chip is calculated through the value of the equal angles. When the magnetic induction chip 10 is installed, the 0-degree direction faces the north and the south, and the wind vane drives the magnet to rotate, so that the azimuth angle of the wind direction can be measured.
When the wind speed is measured, the three-blade wind cup 2 is used for driving the magnet to rotate, the MCU reads the position of the magnet relative to the non-contact magnetic rotary encoder, the angular speed of the three-blade wind cup 2 is obtained by dividing the angular difference of two times by the time of two times of sampling, and then the relation of the wind speed of the angular speed is established through the relation of the rotating speed of the three-blade wind cup 2 and the wind speed, so that the wind speed is obtained.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. Wind speed and wind direction integrated detection sensor, its characterized in that: the wind-driven generator comprises a shell (1), a wind cup (2)/a wind direction fan blade (21) connected with the shell, and a non-contact magnetic rotary encoder arranged in the shell (1);
the non-contact magnetic rotary encoder comprises a shaft lever (5) and two-pole magnets (8) arranged at the lower end of the shaft lever, wherein a magnetic induction chip (10) is arranged below the two-pole magnets (8); the wind cup (2)/the wind direction fan blade (21) drives the shaft lever (5) and the magnet to synchronously rotate, the magnetic induction chip (10) senses the change of the magnetic field, the relative angle position of the magnet is measured, and a wind speed/wind direction value is obtained through calculation.
2. The wind speed and direction integrated detection sensor according to claim 1, wherein: the heating unit is further arranged in the shell (1) and comprises a temperature sensing head (11), a controller and a heating resistor (6), the temperature sensing head (11) detects the external temperature and transmits a signal to the controller, and the controller receives the external temperature lower than a set value and controls the heating resistor (6) to heat; the controller receives that the outside temperature is higher than a set value to control the heating resistor (6) to stop heating.
3. The wind speed and wind direction integrated detection sensor according to claim 1 or 2, wherein: the wind cup (2)/the wind direction fan blades (21) are connected through a cylindrical connecting cover (4) with one sealed end and one open end, and a connecting cap (41) used for being connected with the rotating rod is arranged at the center of the inner bottom of the connecting cover (4).
4. The wind speed and direction integrated detection sensor according to claim 3, wherein: the shell (1) is formed by detachably sleeving an upper shell (34) and a lower shell (31); the non-contact magnetic rotary encoder is arranged in the upper shell (34), and the base (3) is sleeved at the bottom of the lower shell (31).
5. The wind speed and direction integrated detection sensor according to claim 4, wherein: the upper shell (34) comprises a connecting part (38) connected with the connecting cover (4) and a conical barrel-shaped mounting cavity connected with the connecting part (38) and used for mounting the heating unit;
an installation barrel (35) with openings at two ends is arranged in the upper shell (34), the installation barrel (35) extends into the conical barrel-shaped installation cavity from the connecting part (38), the shaft lever (5) penetrates through two ends of the installation barrel (35), one end of the shaft lever is connected with the connecting cap (41), and the other end of the shaft lever extends out of the installation barrel (35) and is connected with the two-pole magnet (8); a circuit board (9) is arranged below the bipolar magnet (8), a magnetic induction chip (10) and a controller are integrated on the circuit board (9), and the magnetic induction chip (10) is located right below the bipolar magnet (8).
6. The wind speed and direction integrated detection sensor according to claim 5, wherein: the periphery of the installation barrel (35) extending into the cone-barrel-shaped installation cavity is provided with a plurality of installation seats (36) at intervals in a surrounding mode, and each installation seat (36) is connected with the installation barrel (35) through a connecting plate (37).
7. The wind speed and direction integrated detection sensor according to claim 6, wherein: a fixing plate (32) is arranged in the lower shell (31), a mounting column matched with the mounting seat (36), a temperature sensing head (11) for detecting temperature and a power plug (12) are arranged on the fixing plate (32), and the assembly type mounting column is sleeved in the mounting seat (36);
the base (3) is arranged in a cavity below the fixing plate (32), and the base (3) is clamped in a space below the fixing plate (32) of the lower shell (31).
8. The wind speed and direction integrated detection sensor according to claim 3, wherein: the shaft lever (5) is formed by a middle section and two step sections connected with the two ends of the middle section, wherein the outer wall of one step section is provided with a notch, the step section with the notch is connected with the connecting cap (41), and the end part of the other step section is connected with the two-pole magnet (8); the connecting position of the middle section of the shaft lever (5) and the two step sections is provided with a bearing (7).
9. The wind speed and direction integrated detection sensor according to claim 3, wherein: first arc-shaped rings (42) and second arc-shaped rings (43) which are concentric with the connecting cap (41) and have sequentially increased radiuses are arranged at intervals on the periphery of the connecting cap, the first arc-shaped rings (42) extend towards the opening end of the sealing cover along the width, and the width of the first arc-shaped rings is larger than that of the second arc-shaped rings (43); the width of the connecting cap (41) is larger than that of the first arc-shaped ring (42).
10. The wind speed and direction integrated detection sensor according to claim 9, wherein: a reinforcing plate (44) is arranged on the periphery of the connecting cap (41) in a radiating manner, and the reinforcing plate (44) penetrates through the first arc-shaped ring (42) and the second arc-shaped ring (43);
the heating resistor (6) is sleeved in a hollow structure and sleeved outside the first arc-shaped ring (42).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010074295.2A CN111239435A (en) | 2020-01-22 | 2020-01-22 | Wind speed and wind direction integrated detection sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010074295.2A CN111239435A (en) | 2020-01-22 | 2020-01-22 | Wind speed and wind direction integrated detection sensor |
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| CN111239435A true CN111239435A (en) | 2020-06-05 |
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| CN202010074295.2A Pending CN111239435A (en) | 2020-01-22 | 2020-01-22 | Wind speed and wind direction integrated detection sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112730889A (en) * | 2020-12-25 | 2021-04-30 | 深圳市恒辉达电子有限公司 | Novel wind direction measuring system |
| CN113514086A (en) * | 2020-12-31 | 2021-10-19 | 上海凯恺机电科技发展有限公司 | Small-stroke absolute encoder and rotating device |
| CN115144616A (en) * | 2022-09-01 | 2022-10-04 | 山东省气象局大气探测技术保障中心(山东省气象计量站) | Wind direction indication value calibrating device and method for ocean anemometer |
| CN117347655A (en) * | 2023-12-04 | 2024-01-05 | 华电(福建)风电有限公司 | Marine wind farm speed measuring device and integrated comprehensive monitoring system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730889A (en) * | 2020-12-25 | 2021-04-30 | 深圳市恒辉达电子有限公司 | Novel wind direction measuring system |
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| CN113514086A (en) * | 2020-12-31 | 2021-10-19 | 上海凯恺机电科技发展有限公司 | Small-stroke absolute encoder and rotating device |
| CN115144616A (en) * | 2022-09-01 | 2022-10-04 | 山东省气象局大气探测技术保障中心(山东省气象计量站) | Wind direction indication value calibrating device and method for ocean anemometer |
| CN117347655A (en) * | 2023-12-04 | 2024-01-05 | 华电(福建)风电有限公司 | Marine wind farm speed measuring device and integrated comprehensive monitoring system |
| CN117347655B (en) * | 2023-12-04 | 2024-04-12 | 华电(福建)风电有限公司 | Marine wind farm speed measuring device and integrated comprehensive monitoring system |
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Application publication date: 20200605 |