CN203385749U - Wind speed and wind direction measuring device of DSP-based miniature meteorological station - Google Patents
Wind speed and wind direction measuring device of DSP-based miniature meteorological station Download PDFInfo
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- CN203385749U CN203385749U CN201320475311.4U CN201320475311U CN203385749U CN 203385749 U CN203385749 U CN 203385749U CN 201320475311 U CN201320475311 U CN 201320475311U CN 203385749 U CN203385749 U CN 203385749U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model discloses a wind speed and wind direction measuring device of a DSP-based miniature meteorological station. The device is mainly composed of four components: a sensor, a signal conditioning circuit, a DSP system and a power supply module. The sensor is connected with the signal conditioning circuit; the signal conditioning circuit is connected with the DSP system; and the power supply module is connected with the sensor, the signal conditioning circuit and the DSP system. The DSP-based miniature meteorological station is a new design which is put forward by combining DSP operating principle, measuring methods of atmosphere parameters and the characteristics of the miniature meteorological station itself, so that the atmosphere parameters can be measured in real time, and the DSP-based miniature meteorological station has the advantages of being low in power consumption, good in portability and strong in anti-interference capability.
Description
Technical field
The utility model belongs to the weather monitoring technical field, relates in particular to a kind of small-sized weather station measuring wind based on DSP and the device of wind direction.
Background technology
The small-sized weather station that is used for carrying out the atmospheric parameter measurement is widely used in the fields such as Meteorological Services, atmosphere experiment, communication and agricultural, and the atmospheric parameter of measurement mainly comprises wind speed, wind direction, atmospheric humidity, atmospheric temperature and atmospheric pressure etc.Due to the own characteristic of atmospheric parameter, make small-sized weather station being easy to carry, the aspect such as measurement in real time, power consumption and antijamming capability higher requirement arranged.At digital signal processor (Digital Signal Processor, DSP) before occurring, small-sized weather station is mainly to take the data acquisition and processing (DAP) system that the MCS51 single-chip microcomputer is core, in the face of a large amount of weather datas, the deficiency of single-chip data fast throughput has exposed out, and DSP has made up the deficiency of single-chip microcomputer because the hardware configuration of himself makes it can carry out fast the data processing.
The utility model content
The purpose of this utility model is to provide a kind of small-sized weather station measuring wind based on DSP and the device of wind direction, is intended to solve the problem of single-chip data fast throughput deficiency.
A kind of small-sized weather station measuring wind based on DSP and the device of wind direction, described device mainly is comprised of sensor, signal conditioning circuit, dsp system and power module 4 parts;
Sensor connects signal conditioning circuit, and signal conditioning circuit connects dsp system, and power module is connected with sensor, signal conditioning circuit, dsp system respectively.
Further, the device of described measuring wind comprises: infrared light supply, light shielding block, infrared eye, I/V translation circuit, pulse amplitude stabilizing circuit;
Infrared light supply connects light shielding block;
Light shielding block connects infrared eye;
Infrared eye connects the I/V translation circuit, realizes wind speed is converted to the task of unit interval pulse output number;
The I/V translation circuit connects the pulse amplitude stabilizing circuit, and the weak current of infrared eye output is amplified;
The pulse amplitude stabilizing circuit connects dsp system.
Further, the device of described measuring wind also further comprises: weathercock, precision resistor, direct current four arm electrical bridge, voltage modulate circuit; Weathercock connects precision resistor; Precision resistor connects the direct current four arm electrical bridge, and wind direction is changed and converts resistance variations to; The direct current four arm electrical bridge connects the voltage modulate circuit, and resistance variations is converted to change in voltage; The voltage modulate circuit connects dsp system.
Further, the design of described measuring wind has selected Photoelectric infrared switch formula air velocity transducer and pulse amplitude to stablize modulate circuit.
Further, the device of described measurement wind direction has been selected the 020C type potentiometer type wind transducer of Met one company.
The small-sized weather station of the utility model based on DSP is the own characteristic of the measuring method of the principle of work that combines DSP, atmospheric parameter and small-sized weather station and a kind of new design that proposes, can carry out the real-time measurement of atmospheric parameter, and there are low in energy consumption, good portability and the strong characteristics of antijamming capability.
The accompanying drawing explanation
Fig. 1 is the principle of work block diagram of the small-sized weather station that provides of the utility model;
Fig. 2 is the structured flowchart of the wind speed measuring device that provides of the utility model;
Fig. 3 is the structured flowchart of the direction measuring apparatus that provides of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 has shown small-sized weather station measuring wind based on DSP that the utility model provides and the device of wind direction.For convenience of explanation, only show the part relevant to the utility model.
A kind of small-sized weather station measuring wind based on DSP and the device of wind direction, the weather station that carries out the atmospheric parameter measurement mainly is comprised of sensor, signal conditioning circuit, dsp system and power module 4 parts.
Sensor connects signal conditioning circuit; Signal conditioning circuit connects dsp system; Power module provides electric power for sensor, signal conditioning circuit, dsp system.
Because surveyed atmospheric parameter is all non electrical quantity, and measurement result is to be based upon electric signal is processed to obtain, so, in weather station, for each atmospheric parameter, adopted corresponding sensor to carry out the output of non electrical quantity to the conversion sensor of electric weight; It is different because its principle of work is different, the utility model according to the sensor design of actual selection different signal conditioning circuits, filtering is carried out in output to sensor targetedly, the I/V conversion, the multi-form conditionings such as pulse fixed ampllitude and voltage amplification, make the output of sensor meet the scope of the input analog voltage of A/D converter on dsp chip or the level requirement of I/O port after signal conditioning circuit.
Dsp system is comprised of the peripheral reset circuit of dsp chip, DSP, oscillatory circuit, reset circuit and serial communication port, dsp system mainly carry out analog input channel selection, A/D conversion, signal process, to the control of other ingredients of weather station and and host computer carry out serial communication.
Wind speed has reflected the liquidity of atmosphere, has very large randomness.Small-sized weather station is usually used in measuring wind speed near the ground, and measurement range is 1～60m/s, and resolution is 0.5m/s, and precision is ± 5%.As shown in Figure 2, according to the Liquified gas tanker of measuring wind speed, the utility model has selected Photoelectric infrared switch formula air velocity transducer and pulse amplitude to stablize modulate circuit, realizes wind speed is converted to the task of unit interval pulse output number.
The design of measuring wind comprises following part: infrared light supply, light shielding block, infrared eye, I/V translation circuit, pulse amplitude stabilizing circuit, dsp system and power module.
Infrared light supply connects light shielding block, and light shielding block connects infrared eye, and infrared eye connects the I/V translation circuit, and the I/V translation circuit connects the pulse amplitude stabilizing circuit, and the pulse amplitude stabilizing circuit connects dsp system; Power module provides electric power.
A light shielding block is carved with in the position that is r at distance wind wheel center, and when wind drive wind wheel rotates centered by central axis, wind wheel often rotates a circle, and light shielding block is through the horizontal line last time at infrared light supply and infrared eye place.When light shielding block is passed through the horizontal line at infrared light supply and infrared eye place, the light that infrared light supply sends is stopped by light shielding block, can not be radiated on infrared eye a pulse current of infrared eye output, the proportional relation of current impulse number N in wind speed v and unit interval.
Signal conditioning circuit carries out the I/V conversion after the weak current of infrared eye output is amplified, and then the amplitude of potential pulse is carried out sending into dsp system after the fixed ampllitude processing, carries out the data processing.
As shown in Figure 3, the design of measuring wind comprises following part: weathercock, precision resistor, direct current four arm electrical bridge, voltage modulate circuit, dsp system and power module.
Weathercock connects precision resistor, and precision resistor connects the direct current four arm electrical bridge, and the direct current four arm electrical bridge connects the voltage modulate circuit, and the voltage modulate circuit connects dsp system; Power module provides electric power.
In wind direction is measured, adopted precision resistor that wind direction is changed and converts resistance variations to, resistance and wind direction meet proportional relationship, then, again resistance variations is converted to change in voltage through the direct current four arm electrical bridge, because voltage is smaller, so, also need to use the voltage modulate circuit to realize analog to digital conversion, the result after conversion enters dsp system.
The utility model has been selected the 020C type potentiometer type wind transducer of Met one company, and the measurement range of this sensor is 0 °～360 °, and precision is ± 2 °, and resolution is ± 0.2 °.020C type potentiometer type wind transducer has an airfoil weathervane that deadweight is very light, it directly is connected with a precision resistor, and corresponding to the wind direction of 0 °～360 °, output voltage is 0～5V, after the voltage modulate circuit, can directly enter dsp system and carry out the A/D conversion.
The utility model, according to measurement requirement and the measuring method of wind speed and direction, in conjunction with the principle of work of DSP, has designed the measuring wind of a small-sized weather station and the part of direction.Experimental result shows: this system meets the demands, and can be used as measuring wind and direction and uses.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a small-sized weather station measuring wind based on DSP and the device of wind direction, is characterized in that, described device mainly is comprised of sensor, signal conditioning circuit, dsp system and power module 4 parts;
Sensor connects signal conditioning circuit, and signal conditioning circuit connects dsp system, and power module is connected with sensor, signal conditioning circuit, dsp system respectively.
2. the device of small-sized weather station measuring wind and wind direction as claimed in claim 1, is characterized in that, the device of described measuring wind comprises: infrared light supply, light shielding block, infrared eye, I/V translation circuit, pulse amplitude stabilizing circuit;
Infrared light supply connects light shielding block;
Light shielding block connects infrared eye;
Infrared eye connects the I/V translation circuit, realizes wind speed is converted to the task of unit interval pulse output number;
The I/V translation circuit connects the pulse amplitude stabilizing circuit, and the weak current of infrared eye output is amplified;
The pulse amplitude stabilizing circuit connects dsp system.
3. the device of small-sized weather station measuring wind and wind direction as claimed in claim 2, is characterized in that, the device of described measuring wind also further comprises: weathercock, precision resistor, direct current four arm electrical bridge, voltage modulate circuit; Weathercock connects precision resistor; Precision resistor connects the direct current four arm electrical bridge, and wind direction is changed and converts resistance variations to; The direct current four arm electrical bridge connects the voltage modulate circuit, and resistance variations is converted to change in voltage; The voltage modulate circuit connects dsp system.
4. the device of small-sized weather station measuring wind and wind direction as claimed in claim 2, is characterized in that, the design of described measuring wind has selected Photoelectric infrared switch formula air velocity transducer and pulse amplitude to stablize modulate circuit.
5. the device of small-sized weather station measuring wind and wind direction as claimed in claim 1, is characterized in that, the device of described measurement wind direction has been selected the 020C type potentiometer type wind transducer of Met one company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320475311.4U CN203385749U (en) | 2013-08-05 | 2013-08-05 | Wind speed and wind direction measuring device of DSP-based miniature meteorological station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201320475311.4U CN203385749U (en) | 2013-08-05 | 2013-08-05 | Wind speed and wind direction measuring device of DSP-based miniature meteorological station |
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| Publication Number | Publication Date |
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| CN203385749U true CN203385749U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320475311.4U Expired - Fee Related CN203385749U (en) | 2013-08-05 | 2013-08-05 | Wind speed and wind direction measuring device of DSP-based miniature meteorological station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083192A (en) * | 2019-06-13 | 2020-12-15 | 刘晴 | Wind direction measuring device utilizing unmanned aerial vehicle |
| CN114167477A (en) * | 2021-12-08 | 2022-03-11 | 电子科技大学 | Stroboscopic detection system based on thin film detector and design and manufacturing method |
-
2013
- 2013-08-05 CN CN201320475311.4U patent/CN203385749U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083192A (en) * | 2019-06-13 | 2020-12-15 | 刘晴 | Wind direction measuring device utilizing unmanned aerial vehicle |
| CN114167477A (en) * | 2021-12-08 | 2022-03-11 | 电子科技大学 | Stroboscopic detection system based on thin film detector and design and manufacturing method |
| CN114167477B (en) * | 2021-12-08 | 2023-04-28 | 电子科技大学 | Stroboscopic detecting system based on film detector and design and manufacturing method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20140805 |
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| EXPY | Termination of patent right or utility model |