KR20170100300A - anemoscope and anemometer therewith - Google Patents
anemoscope and anemometer therewith Download PDFInfo
- Publication number
- KR20170100300A KR20170100300A KR1020160022694A KR20160022694A KR20170100300A KR 20170100300 A KR20170100300 A KR 20170100300A KR 1020160022694 A KR1020160022694 A KR 1020160022694A KR 20160022694 A KR20160022694 A KR 20160022694A KR 20170100300 A KR20170100300 A KR 20170100300A
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- Prior art keywords
- wind
- vane
- plate
- wind deflector
- rotary
- Prior art date
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/02—Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
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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
- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
- G01P5/06—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0005—Geometrical arrangement of magnetic sensor elements; Apparatus combining different magnetic sensor types
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
The present invention relates to a weather vane having a simple structure and easy to manufacture and capable of sensing a more reliable wind direction, and an anemometer having the wind vane, wherein the weather vane comprises a wind direction plate rotating by wind and indicating the wind direction; A magnet disposed in the middle of the wind deflector; And a magnetic sensor for sensing a direction of the magnet in accordance with the change of direction of the wind deflector, wherein the anemometer has a weather vane configured as described above, and the rotation of the rotating body sensed by the rotation sensing means And a plurality of guide vanes formed radially around the center of the plurality of rotary blades constituting the rotary body and having at least one arc shape in plan view, Is more effectively transmitted to the rotary vane, thereby preventing foreign matter from entering into the rotary vane.
Description
The present invention relates to a weather vane, and more particularly, to a vane weather vane having a simple structure and easy to manufacture and capable of sensing a more reliable wind direction.
Various instruments are used for meteorological observations, and one of these various weather observation instruments is a weather vane.
A conventional weather vane is constituted so as to be in contact with a circuit board by constituting a copper foil on a shaft connected to a wind direction vane. The copper foil layer of the circuit board is directly contacted with the copper foil.
Such a conventional weather vane has a problem that it is difficult to measure the accurate wind direction due to the occurrence of a trouble due to moisture and snow when the wind and wind are blowing, and the service life is shortened.
In addition, the conventional weather vane is received as a very fine signal with respect to the wind direction and is represented by data, and measurement errors are also severe with respect to a small defect of the device.
Various weather vanes have been developed to overcome such disadvantages, and Patent literatures 1 to 3 are examples thereof.
Patent Document 1 discloses a propeller and a rudder; A cylindrical rotating support body having a body rotation shaft as a rotation center and transmitting rotation of the body; A gear type coupling body in which the rotation of the propeller is transmitted as it is; A cylindrical support pipe extending from the inside of the turning support body; A sensing sensor positioned directly under the gear type coupling member which is the upper end of the cylindrical support; A control circuit unit receiving an electrical signal sensed by the sensing sensor; A gear engagement member coupled to an end of the pivotal support; And an encoder sensor which receives the movement of the main body transmitted by the gear combination and senses the rotation angle of the main body and transmits it to the control circuit part,
Patent Document 2 discloses an ultrasonic diagnostic apparatus that includes a single transmitting sensor for generating ultrasonic waves of a predetermined period and size and a plurality of receiving means for receiving ultrasonic waves generated from the transmitting sensor, An ultrasonic sensor module including a sensor; A transmission circuit for amplifying a square wave of a predetermined period and size and providing the same to the transmission sensor; And a receiving circuit unit that receives a received signal received from a plurality of receiving sensors, measures a phase difference between the received signals, and calculates a wind speed and a wind direction based on a vector sum of a velocity of each direction, wherein the ultrasonic sensor module includes: The transmission sensor is provided so as to transmit ultrasonic waves toward the lower plate at the center of the upper plate and the lower sensor is provided on the lower plate with a predetermined angle And a plurality of receiving sensors are provided so as to be spaced apart by a predetermined distance. The upper plate and the lower plate are discs of the same size. The receiving circuit includes a plurality of amplifiers receiving and amplifying received signals received from the plurality of receiving sensors, respectively. A plurality of filters for respectively filtering received signals amplified by the plurality of amplifiers to remove noise; A plurality of comparators each converting a plurality of received signals output from the plurality of filters into square waves; And the phase difference between square waves of two reception sensors disposed on the same axis among a plurality of square waves input from a plurality of comparators, respectively, calculates velocities in each axis through a phase difference, and calculates a vector sum of velocities in each axis And a microcontroller for calculating a wind direction and a wind speed through the microcomputer,
Patent Document 3 discloses a wind-exposed sensor that generates an electric signal based on wind speed and direction; And an electronic calculation unit for calculating the velocity and direction of the wind based on the signal, wherein the wind exposing sensor is supported by the base and is supported by the base as a whole Wherein the plurality of support elements support the cover on the base around the wind exposure sensor and the support elements extend from the base to the cover such that the support elements are spaced apart from each other in a direction different from a right angle between the base and the cover .
Among such conventional weather vanes, Patent Document 1 is difficult to measure the minute wind direction by sensing the rotation angle of the gear combination with an encoder, and Patent Document 2 uses a phase difference between two ultrasonic sensors, There is a problem that frequent breakdown occurs due to the use of the sensor. However, Patent Document 3 can improve the wind direction and wind speed sensing performance by structurally modifying the cover and the base, but it is difficult to manufacture due to the complicated structure .
The present invention has been developed in order to solve the problems of the prior art as described above, and it is an object of the present invention to provide a weather vane which is simple in structure and easy to manufacture and can prevent a residual trouble.
It is also an object of the present invention to provide a weather vane capable of providing more precise weather information and an anemometer having the vane.
In order to achieve the above object, the weather vane of the present invention comprises: a wind direction plate which is rotated by the wind to indicate the wind direction; A magnet disposed in the middle of the wind deflector; And a magnetic sensor for sensing the direction of the magnet according to the change of direction of the wind deflector.
The magnetic sensor may use a magnetic rotary encoder.
The wind deflector is installed at the center of the bottom plate so as to be rotatable by a bearing, the magnet is installed at the center of the upper end, and the magnetic sensor is installed at the center of the top plate to serve as a roof of the wind deflector desirable.
Further, a plurality of supports are provided at the edges of the bottom plate and the top plate to keep the gap between the two plates and to prevent foreign substances from flowing inward.
The bottom plate forms an inclined surface from the center toward the magnetic field and gradually decreases to allow the snow or rain to flow outward and the end of the top plate extends outside the end portion of the wind board to protect the wind board from rain or snow desirable.
The wind deflector includes an eccentric wing portion that is pivoted by a bearing and rotates in a wind direction by being pushed by a wind at one end with a rotation axis coupled to the bottom plate as a center and an eccentric wing portion formed on the opposite side of the eccentric wing portion A balance maintaining portion formed to be short in length, and a balance maintaining portion extending toward the balance holding portion about the rotation axis and having a short length, and a hoop balancing portion for matching the center of gravity of the reverberation wing portion.
According to another aspect of the present invention, there is provided an anemometer for detecting an air speed according to the number of revolutions of a rotating body sensed by a rotation sensing unit sensing rotation of a rotating body, A plurality of guide blades formed radially around a center of a plurality of rotary blades constituting the entirety and having at least one arc shape in plan view, so that the wind is more effectively transmitted to the rotary blades, And is prevented from flowing into the rotary blades.
The rotating blades constituting the rotating body are formed into a bow shape bent in the direction of the inflow of wind so as to be able to react to the wind privately.
It is also preferable that the guide vane is guided at an acute angle with the center line passing through the center of the rotating body so as to face the inside of the arc-shaped rotary vane of the rotating body, and both surfaces form arc-shaped surfaces.
Preferably, the rotation sensing means uses an optical sensor comprising light emitting means for irradiating light to a light transmitting hole formed in a rotary shaft of the rotating body, and light receiving means for sensing light passing through the light transmitting hole irradiated by the bladder means .
The guide vane may be integrally formed on one surface of the support plate and the opposite end may be integrated with an upper plate or a lower plate constituting the vane.
As described above, the anemometer according to the present invention has a simple structure and is easy to manufacture, and also has an effect of preventing a residual trouble.
In addition, it is composed of a magnetic sensor that detects the direction of a magnet installed on the wind direction plate, and can sense a minute magnetic change sensed by the magnetic sensor to sense a direction, thereby sensing a minute wind direction.
1 is an exploded perspective view of an example of a weather vane according to the present invention;
2 is a perspective view of an example of a weather vane according to the present invention.
Fig. 3 is a side view of the weather vane according to the present invention,
4 is an exploded perspective view of the wind direction plate and the magnetic sensor constituting the weather vane according to the present invention.
5 is a perspective view of an anemometer with a weather vane according to the present invention.
6 is an exploded perspective view of an anemometer with a weather vane according to the present invention.
While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Like reference numerals are used for like elements in describing each drawing. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.
The present invention can provide a weather vane which is simple in structure and easy to manufacture, and can sense a more precise wind direction.
The weather vane according to the present invention includes a
A
Of course, the weather vane of the present invention configured as above may further include a computer having a program capable of calculating the wind direction by reminding the change of the top detected by the
That is, when the
The
The
As shown in the enlarged view of FIG. 4, the
It is preferable that the
However, when the
A thick
The
1 and 4, the
2, 3 and 5, the
In addition, the
A plurality of
The weather vane configured as described above can protect the
The weather vane configured as described above may be used alone, but it is preferably used in combination with an anemometer.
Accordingly, the weather vane of the present invention can be constructed in combination with an anemometer, and such an
The anemometer with the weather vane according to another aspect of the present invention is provided with a weather vane configured as described above and detects the wind speed by the number of rotations of the rotating body sensed by the rotation sensing means for sensing the rotation of the
The technique related to such an anemometer is disclosed in patent application No. 1142553 filed and registered by the applicant of the present invention, but brief description will be made below for the understanding of the present invention.
6, the rotating
By forming the
Further, the
The rotation sensing means (not shown) may be modified in various ways, but preferred examples thereof include light emitting means for emitting light to a light transmitting hole formed in a rotating shaft of the rotating body 6, And an optical sensor composed of a light receiving means for sensing light passing through the optical fiber.
That is, when the rotating shaft rotates by the rotation of the rotating body, when the light emitted from the light emitting means meets the light transmitting hole, the light passes through the light transmitting hole and is incident on the light receiving means. The light receiving means senses the incident light, And the speed of the computer can be detected. The computation program of the computer can calculate the wind speed from the sensed number of light senses and the interval.
The
A
10: wind direction plate
10a: echo wings
10b:
10s: rotating shaft
10g:
11: Bearings
20: Magnet
30: magnetic sensor
40: bottom plate
45: Support
50:
51: cover plate 52: indicator light
60: Anemometer
61: Rotating blade
62: arched guide blade
Claims (11)
A magnet 20 disposed in the middle of the wind deflector;
And a magnetic sensor (30) for sensing the direction of the magnet according to the direction change of the wind deflector.
Wherein the magnetic sensor (30) is a magnetic rotary encoder.
The wind deflector plate 10 is rotatably installed at the center of a bottom plate 40 by a bearing 11 and the magnet 20 is installed at an upper center of the wind deflector plate 10, And the upper plate serves as a roof of the wind deflector.
A plurality of supports (45) are installed at the edges of the bottom plate (40) and the top plate (50) to maintain the gap between the two plates and prevent the foreign substances from flowing inward.
The bottom plate 40 forms an inclined surface so as to be gradually lowered from the center toward the magnetic field position so that the snow or rain flows outward and the end of the top plate 50 extends outside the end portion of the wind deflector plate 10, The weather vane is characterized in that it can be protected against rain or snow.
The wind deflector 10 includes an eccentric wing 10a that is pivoted by a wind and rotates in the direction of the wind at one end about a rotary shaft 10s coupled to the bottom plate 40 so as to be flickerable by a bearing, A balancing portion 10b formed on the opposite side of the wing portion and formed to be shorter than the echoing wing portion and a balancing portion 10b extending toward the balancing portion 10c around the rotation axis 10s and having a short length, (10g). ≪ / RTI >
A plurality of guide vanes 62 formed radially about the center of the plurality of vanes constituting the rotating body 61 and having at least one arcuate shape in plan view, So that foreign matter is prevented from flowing into the rotary vane.
Wherein the rotary vane (61w) constituting the rotary body (61) is formed in a shape of a bow bent in a direction in which wind is introduced.
Wherein the guide vane (62) has a wind vane which is guided at an acute angle with a center line passing through the center of the rotating body (61) so as to face inside the arc-shaped rotary vane of the rotating body, One anemometer.
Wherein the rotation sensing means is an optical sensor comprising light emitting means for emitting light to a light emitting hole formed in a rotary shaft of the rotating body and light receiving means for emitting light emitted by the bladder means and for sensing light passing through the light emitting hole, .
Wherein the guide vane (62) is integrally formed on one surface of the support plate (63), and the opposite end of the guide vane (62) is coupled with an upper plate or a lower plate constituting the vane.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020160022694A KR101790937B1 (en) | 2016-02-25 | 2016-02-25 | anemoscope and anemometer therewith |
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KR1020160022694A KR101790937B1 (en) | 2016-02-25 | 2016-02-25 | anemoscope and anemometer therewith |
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KR20170100300A true KR20170100300A (en) | 2017-09-04 |
KR101790937B1 KR101790937B1 (en) | 2017-10-26 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110244084A (en) * | 2019-07-29 | 2019-09-17 | 杭州佐格通信设备有限公司 | Wind sensor test device |
KR102025081B1 (en) * | 2019-07-04 | 2019-09-25 | 대한민국 | Cover for protecting anemometer coupled to outer frame mounted on vehicle |
KR102192422B1 (en) * | 2019-08-27 | 2020-12-16 | (주)씨앤케이산업 | Airflow measuring equipment |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102109346B1 (en) | 2018-03-06 | 2020-05-12 | 장혜영 | An anemometer including corner reflector and anemometry system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101142553B1 (en) * | 2012-01-09 | 2012-05-09 | 김준규 | A wind gauge with wind induced pathway |
KR101406239B1 (en) * | 2013-01-17 | 2014-06-12 | 코엔펌 주식회사 | A anemovane |
-
2016
- 2016-02-25 KR KR1020160022694A patent/KR101790937B1/en active IP Right Grant
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102025081B1 (en) * | 2019-07-04 | 2019-09-25 | 대한민국 | Cover for protecting anemometer coupled to outer frame mounted on vehicle |
US11112281B2 (en) * | 2019-07-04 | 2021-09-07 | National Institute of Meteorological Sciences | Covering device for protecting anemometer engaged with external frame mounted on vehicle |
CN110244084A (en) * | 2019-07-29 | 2019-09-17 | 杭州佐格通信设备有限公司 | Wind sensor test device |
KR102192422B1 (en) * | 2019-08-27 | 2020-12-16 | (주)씨앤케이산업 | Airflow measuring equipment |
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KR101790937B1 (en) | 2017-10-26 |
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