CN203595827U - Supersonic wind measuring and temperature measuring instrument - Google Patents
Supersonic wind measuring and temperature measuring instrument Download PDFInfo
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- CN203595827U CN203595827U CN201320727158.XU CN201320727158U CN203595827U CN 203595827 U CN203595827 U CN 203595827U CN 201320727158 U CN201320727158 U CN 201320727158U CN 203595827 U CN203595827 U CN 203595827U
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Abstract
The utility model discloses a supersonic wind measuring and temperature measuring instrument. The instrument comprises an AT89C51 single-chip microcomputer, a supersonic transmission-reception processing module, a numeric display module, an interface module, a power supply module, a switch button and a transparent plastic isolation shield. The supersonic transmission-reception processing module includes a transmission driving reception circuit and a supersonic sensor module. The supersonic sensor module is composed of four supersonic probes in two groups. The transmission driving reception circuit includes a signal amplifying and gaining circuit and a high-reliability high-sensitivity chip. The numeric display module includes a timer, a clock and an LED display, using a 4-digit common-anode numeric display. The switch button is used for switching the functions of temperature measurement and wind measurement according to the requirements of the measurement. The beneficial effects of the utility model are that the supersonic wind measuring and temperature measuring instrument has relatively high sensitivity, and relatively high shielding capacity for external magnetic fields; an integrated design is adopted, and the functions can be switched as required, thereby obtaining simplicity in operation and practicality; and the measurements are carried out by using a variable control method, so that the measuring data is accurate and the precision is high.
Description
Technical field
The utility model relates to wind speed and direction measurement, temperature survey and art of ultrasound, relate in particular to a kind of take ultrasonic range finder module as system development platform, embed AT89C51 single-chip computer control system, use 4 common anode charactron light-emitting diode displays, recycling MATLAB carries out precision to related data to be processed, obtain fitting formula, then be embedded into a kind of ultrasound wave wind-temperature meter on hardware platform.
Background technology
The wind measuring system occurring on market is now divided into two kinds, and one is mechanical type vane surveying instrument, and another kind is 2D ultrasound bearing.Mechanical type vane surveying instrument cost is low, easy to use, but rotating part exists wearing and tearing, easily produces mechanical wear, meets dust storm bite and salt air corrosion, and has startup wind speed, and wind speed is less than cannot Measurement accuracy while starting wind speed.2D type ultrasound bearing is to utilize ultrasonic propagation velocity measure of the change wind speed and wind direction in wind field.Formed by 4 ultrasonic transmitter-receivers, be divided into orthogonal two pairs.In two vertical direction, carry out two groups and independently measure, in the square area that so just can form at ultrasound wave, obtain the vector value of wind speed, so just can calculate the angle of wind direction.This anemometer can be widely used in automatic weather station, wind breath data acquisition and the monitoring of the occasions such as Portable Automatic Weather Station.
And current ultrasonic thermometry is mainly used in commercial production and laboratory, two kinds of methods that wherein adopt in commercial production are respectively the ultrasound warm therapy of ultrasound resonance thermometry and apply pulse technology.The physical basis of ultrasound wave temperature measuring set is the relation based on temperature and the velocity of sound in gas-liquid-solid three-state ature of coal, its main technological thought is that ultrasonic sensor is put into while needing the environment measured or temperature sensor internal temperature and environment temperature to reach thermal equilibrium, just can utilize the relation of ultrasonic propagation velocity and temperature to carry out temperature survey.
Summary of the invention
For addressing the above problem, the invention discloses a kind of take ultrasonic range finder module as system development platform, embed AT89C51 single-chip computer control system, use 4 common anode charactron light-emitting diode displays, recycling MATLAB carries out precision to related data to be processed, obtain fitting formula, then be embedded into a kind of ultrasound wave wind-temperature meter on hardware platform, realize the accurate measurement to region wind speed and direction and medial temperature.
In order to achieve the above object, the invention provides following technical scheme:
A kind of ultrasound wave wind-temperature meter, comprises that AT89C51 single-chip microcomputer, ultrasound wave receive a processing module, numerical value display module, interface module, power module, switch key and transparent plastic cage; Described ultrasound wave receives a processing module and comprises that transmission drives receiving circuit and ultrasonic sensor module; Described ultrasonic sensor module comprise two groups mutually vertically, totally 4 ultrasonic probes; Described transmission drives receiving circuit to comprise signal amplification and gain circuitry and chip; Described numerical value display module comprises that timer, clock and LED show, use 4 common anode charactrons; The switching of described switch key for surveying wind and temp sensing function; Described AT89C51 single-chip microcomputer receives a processing module, numerical value display module, interface module, power module and switch key with ultrasound wave respectively and is connected; Described transparent plastic cage receives a processing module for cover ultrasound wave in the time of thermometric.
The utility model is selected AT89C51 single-chip microcomputer, and this single-chip microcomputer is carried out 8 of speed CMOS fast low in energy consumption, in system, the programming of application section, does not take user's resource.Signal amplifies and the gain control of gain circuitry for amplifying emission signal waveform and reception signal, and chip has higher anti-interference, and there is to very strong screening ability in peripheral magnetic field, can meet the designing requirement of native system.Ultrasonic sensor module practical two groups mutually vertically, totally 4 ultrasonic probes, so just can in the square area of ultrasound wave formation, obtain the vector value of wind speed, conveniently calculate the angle of wind direction.Numerical value display module is selected 4 common anode charactrons, has the feature stable, brightness stability that shows.Be provided with transparent plastic cage outward at each parts, during for thermometric, ultrasound wave received to a processing module and cover, avoid the impact of this factor of wind speed for result.The switching of described switch key for surveying wind and temp sensing function.Switch key is for realizing thermometric and the switching of surveying wind function according to what measure.
Described interface module comprises serial communication interface and FLASH interface.Serial communication interface cost is low, is applicable to the transmission between local device.
Described power module comprises computer USB interface and analog switching circuit.Computer USB level is antilogical level, so need to add an analog switching circuit on power module.
Described AT89C51 single-chip microcomputer is also connected with reset key.Reset key is for allowing system restart the powered-down not in the situation that.
The beneficial effect that the utility model provides is: (1) sensitivity is higher, and there is to very strong screening ability in peripheral magnetic field; (2) adopt integrated design, handoff functionality according to demand, practicality simple to operate; (3) adopt control variate method to measure respectively, measurement data is accurate, degree of accuracy is high.
Accompanying drawing explanation
Fig. 1, structured flowchart of the present utility model.
Embodiment
Technical scheme the utility model being provided below with reference to specific embodiment is elaborated, and should understand following embodiment and only be not used in restriction scope of the present utility model for the utility model is described.
A kind of ultrasound wave wind-temperature meter, comprises that AT89C51 single-chip microcomputer, ultrasound wave receive a processing module, numerical value display module, interface module, power module, switch key and transparent plastic cage; Described ultrasound wave receives a processing module and comprises that transmission drives receiving circuit and ultrasonic sensor module; Described ultrasonic sensor module comprise two groups mutually vertically, totally 4 ultrasonic probes; Described transmission drives receiving circuit to comprise signal amplification and gain circuitry and chip; Described numerical value display module comprises that timer, clock and LED show, use 4 common anode charactrons; Described AT89C51 single-chip microcomputer receives a processing module, numerical value display module, interface module, power module and switch key with ultrasound wave respectively and is connected; Described transparent plastic cage receives a processing module for cover ultrasound wave in the time of thermometric.Drive in receiving circuit in transmission, signal amplifies the circuit with gain circuitry use 74LS04, and highly reliable, highly sensitive chip is selected CX20106A chip; Numerical value display module uses 4 common anode charactrons, adopts 11.0592 crystal oscillators, and LCD1602 display is selected in LED demonstration.
In interface module, serial communication interface adopts RS232, and FLASH interface adopts USB interface.RS232 is the most frequently used a kind of interface, and cost is low, can be used for the communication between local device; FLASH interface adopts USB interface, and USB interface can hot plug, and standard is unified.
Power module comprises computer USB interface and MAX323 circuit.Computer USB level is antilogical level, so need to add a MAX323 circuit on power module.
Need to survey wind time, first opening power, circuit preliminary work, switch key is pushed and surveys wind position, and now circuit is started working, and by AT89C51 single-chip microcomputer, the data that obtain is carried out to precision and processes, obtain fitting formula, finally record wind speed and direction value sometime; In the time that needs carry out thermometric, ultrasonic sensor module is covered with transparent plastic cage, switch key is pushed to thermometric position, to measure, image data, finally obtains temperature value sometime.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned embodiment, also comprises the technical scheme being made up of above technical characterictic combination in any.
Claims (4)
1. a ultrasound wave wind-temperature meter, is characterized in that: comprise that AT89C51 single-chip microcomputer, ultrasound wave receive a processing module, numerical value display module, interface module, power module, switch key and transparent plastic cage; Described ultrasound wave receives a processing module and comprises that transmission drives receiving circuit and ultrasonic sensor module; Described ultrasonic sensor module comprise two groups mutually vertically, totally 4 ultrasonic probes; Described transmission drives receiving circuit to comprise signal amplification and gain circuitry and chip; Described numerical value display module comprises that timer, clock and LED show, use 4 common anode charactrons; The switching of described switch key for surveying wind and temp sensing function; Described AT89C51 single-chip microcomputer receives a processing module, numerical value display module, interface module, power module and switch key with ultrasound wave respectively and is connected; Described transparent plastic cage receives a processing module for cover ultrasound wave in the time of thermometric.
2. a kind of ultrasound wave wind-temperature meter according to claim 1, is characterized in that: described interface module comprises serial communication interface and FLASH interface.
3. a kind of ultrasound wave wind-temperature meter according to claim 1, is characterized in that: described power module comprises computer USB interface and analog switching circuit.
4. a kind of ultrasound wave wind-temperature meter according to claim 1, is characterized in that: described AT89C51 single-chip microcomputer is also connected with reset key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727158.XU CN203595827U (en) | 2013-11-18 | 2013-11-18 | Supersonic wind measuring and temperature measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727158.XU CN203595827U (en) | 2013-11-18 | 2013-11-18 | Supersonic wind measuring and temperature measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203595827U true CN203595827U (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320727158.XU Expired - Fee Related CN203595827U (en) | 2013-11-18 | 2013-11-18 | Supersonic wind measuring and temperature measuring instrument |
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| Country | Link |
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| CN (1) | CN203595827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259369A (en) * | 2015-10-27 | 2016-01-20 | 国家海洋技术中心 | Wind speed and direction measurement instrument |
-
2013
- 2013-11-18 CN CN201320727158.XU patent/CN203595827U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259369A (en) * | 2015-10-27 | 2016-01-20 | 国家海洋技术中心 | Wind speed and direction measurement instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140514 Termination date: 20151118 |
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| EXPY | Termination of patent right or utility model |