CN215375473U

CN215375473U - Anemoscope with online calibration function

Info

Publication number: CN215375473U
Application number: CN202120529753.7U
Authority: CN
Inventors: 龚正; 陈涛; 蔡宏忱; 沈奇; 王元升; 武莹莹
Original assignee: Tianjin Zhiyi Times Technology Development Co ltd
Current assignee: Tianjin Zhiyi Times Technology Development Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-12-31
Anticipated expiration: 2031-03-15

Abstract

The utility model discloses a wind direction indicator with an online calibration function, which comprises a shell, a circuit board arranged in the shell, a rotatable direction indicator arranged at the top of the shell, a wind direction measuring rod connected with the direction indicator, a microprocessor integrated on the circuit board and used for calibrating wind direction information, a wind direction sensor in communication connection with the microprocessor and used for detecting current wind direction information, a 485 communication module used for transmitting the calibrated wind direction information outwards, and a FALSH memory used for storing the wind direction information for wind direction calibration. The anemoscope disclosed by the utility model adopts a mechanical structure, is simple and light in structure and high in accuracy, and can accurately reflect wind direction information.

Description

Anemoscope with online calibration function

Technical Field

The utility model relates to the technical field of anemometers, in particular to an anemometer with an online calibration function.

Background

Ordinary anemoscope is generally by casing and circuit board, and the direction indicator is constituteed, and when the direction indicator rotated under the effect of wind force, formed the signal of telecommunication with the cooperation of the wind direction inductive transducer on the circuit board, obtained the back by the treater calculation by the wind direction inductive transducer of circuit board to obtain wind direction data, realize detecting the wind direction, nevertheless current anemoscope is inconvenient to be used, consequently, needs the improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wind direction indicator with an online calibration function aiming at the technical defects in the prior art.

The technical scheme adopted for realizing the purpose of the utility model is as follows:

the utility model provides a anemoscope with online calibration function, includes the casing and installs circuit board in the casing, installs the rotatable direction indicator at the casing top, direction indicator connection wind direction measuring stick, integrated on the circuit board has the microprocessor that is used for calibrating wind direction information, with microprocessor communication connection's the wind direction sensor that is used for detecting current wind direction information, be used for carrying out 485 communication module, the FALSH memory that is used for storing the wind direction information of wind direction calibration usefulness of transporting away to the outside with the wind direction information after calibrating.

Preferably, the wind direction sensor adopts a three-axis hall sensor.

Preferably, the casing includes upper housing and lower casing, upper housing and lower casing pass through the screw connection of circumference interval arrangement, the upper end of upper housing be formed with be used for with the hollow portion of cup jointing of the perpendicular sleeve normal running fit of direction indicator.

Preferably, a cavity structure is formed inside the vertical sleeve of the direction indicator, a wind direction measuring rod is inserted into the cavity structure, a magnet in induction fit with the wind direction sensor is installed at the bottom of the wind direction measuring rod, and the wind direction measuring rod is led into the shell from the inside of the sleeving part.

Preferably, the circuit board is manufactured to form a circular disc-shaped structure, and the pressing column at the bottom of the upper shell is pressed on the upper part in the lower shell.

Preferably, a plurality of fixing screw holes are formed at intervals on the outer side of the bottom of the lower shell.

The anemoscope disclosed by the utility model adopts a mechanical structure, is simple and light in structure and high in accuracy, and can accurately reflect wind direction information.

Drawings

FIG. 1 is a front view of a anemoscope of the present invention with on-line calibration;

FIG. 2 is an isometric view of the lower housing of the anemoscope of the present invention with on-line calibration;

FIG. 3 is an isometric view of the upper housing of the anemoscope of the present invention with on-line calibration;

FIG. 4 is an isometric view of a vane machine with on-line calibration of the present invention without the direction indicator;

FIG. 5 is a schematic diagram of the installation of the direction indicator and the circuit board of the anemoscope with online calibration function according to the present invention;

FIG. 6 is an isometric view of a direction indicator of a anemoscope having an online calibration function of the present invention;

FIG. 7 is a schematic circuit diagram of a anemoscope with online calibration of the present invention;

FIG. 8 is a calibration flow chart of a anemoscope with online calibration;

FIG. 9 is a circuit diagram of a microprocessor;

fig. 10-11 are circuit diagrams of the transceiver and the transient suppression diode unit of the 485 communication module, respectively;

fig. 12 is a circuit diagram of the wind direction sensing.

Detailed Description

The utility model is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in the figure, the anemoscope with the online calibration function comprises a shell 1, a circuit board 4 installed in the shell, a rotatable direction indicator 2 installed at the top of the shell, the direction indicator is connected with a wind direction measuring rod 3, a microprocessor (STM32F030F4P6) used for calibrating wind direction information is integrated on the circuit board 4, a 485 communication module (SP3485EN-L/TR, 3.3V low-power-consumption half-duplex RS-485 transceiver) which is in communication connection with the microprocessor (STM32F030F4P6) and used for detecting current wind direction information and used for transmitting the calibrated wind direction information outwards is integrated on the circuit board 4, and a FALSH memory used for storing the wind direction information for wind direction calibration.

Preferably, the wind direction sensor adopts a three-axis hall sensor.

Specifically, the casing includes upper housing 11 and lower casing 12, upper housing and lower casing pass through the screw connection of circumference interval arrangement, the upper end of upper housing is formed with be used for with the hollow portion of cup jointing 18 of the rotatory complex of direction indicator's perpendicular sleeve 7. Specifically, the outside of going up the casing be formed with first screw hole 13, for a plurality of, the outside of casing forms a plurality of spliced poles 14 that correspond down, the upper end of spliced pole forms corresponding screw hole to conveniently fix last casing, lower casing together with the screw.

Preferably, a cavity structure is formed inside the vertical sleeve 7 of the direction indicator, as shown in fig. 6, a jack in interference fit is formed in the center of the cavity structure so as to be conveniently inserted with a wind direction measuring rod, a magnet 5 in inductive fit with the wind direction sensor is installed at the bottom of the wind direction measuring rod, and the wind direction measuring rod 3 is inserted into the casing 1 from the inside of the sleeve part 18.

Preferably, the circuit board 4 is manufactured to form a circular disk-shaped structure, and is pressed by a plurality of pressing columns 17 at the bottom of the upper shell to the upper part in the lower shell 12.

Preferably, a plurality of fixing screw holes 16 are formed at intervals outside the bottom of the lower case, forming the bottom of the recess 15 of the outer surface of the lower case, as shown in fig. 1.

The direction indicator 2 comprises a horizontal rod 8 which is in cross connection with a vertical sleeve 7, one end of the horizontal rod is connected with a balancing weight 6, and the other end of the horizontal rod is a guide plate of the direction indicator.

Furthermore, the wind direction instrument also comprises a power supply module (not shown) for supplying power for the work of the wind direction instrument, such as a microprocessor and a wind direction sensor, a 485 communication module, a FLASH memory and the like.

The 485 communication module further includes a U6(PSM712, transient suppression diode unit), as shown in fig. 10-11, connected to SP3485EN-L/TR, i.e. 3.3V low power consumption half duplex RS-485 transceiver through A, B, and its 485-B, 485-a pins are connected to the connection terminal P to transmit data.

The wind direction instrument adopts the MLX90363 wind direction sensor, when wind blows, one end of the direction indicator, which generates large resistance to air flow, can rotate along with the wind, so that the MLX90363 wind direction sensor can send the rotating angle to the microprocessor, and the microprocessor can transmit accurate wind direction information through 485 after calibration calculation.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a anemoscope with online calibration function, includes the casing and installs circuit board in the casing, installs the rotatable direction indicator at the casing top, direction indicator connection wind direction measuring stick, its characterized in that, integrated on the circuit board has the microprocessor that is used for calibrating wind direction information, with microprocessor communication connection's the wind direction sensor that is used for detecting current wind direction information, be used for carrying out 485 communication module, the FALSH memory that is used for storing the wind direction information of wind direction calibration usefulness of transporting away to the outside with the wind direction information after the calibration.

2. The anemoscope with on-line calibration function according to claim 1, wherein the wind direction sensor is a three-axis hall sensor.

3. The anemoscope with the online calibration function according to claim 2, wherein the housing comprises an upper housing and a lower housing, the upper housing and the lower housing are connected through screws arranged at intervals in the circumferential direction, and a hollow sleeve portion for rotationally matching with the vertical sleeve of the direction indicator is formed at the upper end of the upper housing.

4. The anemoscope with the online calibration function according to claim 3, wherein a cavity structure is formed inside the vertical sleeve of the direction indicator, a wind direction measuring rod is inserted into the cavity structure, a magnet in inductive fit with the wind direction sensor is installed at the bottom of the wind direction measuring rod, and the wind direction measuring rod is led into the shell from the inside of the sleeve part.

5. The anemoscope with on-line calibration function according to claim 3, wherein the circuit board is fabricated to form a circular disk-shaped structure, and is pressed by the pressing column at the bottom of the upper housing to the upper portion in the lower housing.

6. The anemoscope with the online calibration function according to claim 3, wherein a plurality of fixing screw holes are formed at intervals outside the bottom of the lower housing.