CN1664621A - Intelligent type atmospheric parametric synthesis measurement apparatus - Google Patents
Intelligent type atmospheric parametric synthesis measurement apparatus Download PDFInfo
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- CN1664621A CN1664621A CN 200510020226 CN200510020226A CN1664621A CN 1664621 A CN1664621 A CN 1664621A CN 200510020226 CN200510020226 CN 200510020226 CN 200510020226 A CN200510020226 A CN 200510020226A CN 1664621 A CN1664621 A CN 1664621A
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Abstract
An intelligent type pneumatic parameter integrated measuring apparatus, it comprises sensor component, multiplexer, signal processing apparatus, and satellite-positioning apparatus and intelligentize measuring apparatus. Sensor component comprises: temperature sensor 1, humidity sensor 2, baroceptor 3, wind speed and direction sensor 4; multiplexer is also programmed multiplexer switch 5, signal processing apparatus comprises signal modulator 6 and A/D converter 7, the output of the signal modulator 6 links to the input of the A/D converter 7; satellite positioning apparatus is also satellate-based global-positioning module 8; intelligentize measuring apparatus comprises: single chip computer 9, keyboard 10, digital display unit 11, data outlet terminal 12; keyboard 10, digital display unit 11 and data outlet terminal 12 separately connects to the single chip computer 9.
Description
Technical field
The present invention relates to a kind of instrument that atmospheric parametric synthesis is measured that is used for, (as high-altitude, ocean) implements the instrument accurately measured under the condition to geographic factors such as important environmental parameters such as the wind speed/wind direction of impact point to be measured, air pressure, temperature, humidity and the residing positions of target especially in the open air.
Technical background
Wind speed and direction is being represented the moving situation of general circulation, is indicating the diffusion and the prevalence of pollutant to a great extent, and therefore, wind speed/wind direction measurement is the important parameter of atmosphere environment supervision, also is very important meteorological element.Environment temperature, humidity, air pressure are very important meteorological elements, have described the atmospheric environment situation, also are the important parameters of atmosphere environment supervision.
At present, traditional measuring method falls behind, and function singleness, generally can only be used for the measurement of face of land atmospheric environmental parameters.The instrument of energy measurement wind speed is called measuring wind speed instrument (abbreviation anemoscope), mainly contains cup anemometer, oar blade type anemometer, heating power formula anemometer etc.The instrument of energy measurement wind direction is called wind direction measuring instrument (claim weathervane again, be called for short weathercock).The instrument of energy measurement temperature is called temperature measurer (claiming thermometer again), and the instrument of energy measurement humidity is called moisture apparatus (claiming hygrometer again), and the atmospheric instrument of energy measurement is called barometer.In actual applications, if only need measure, only need select for use corresponding a kind of instrument to get final product certainly to certain parameter; But, monitor a plurality of atmospheric environmental parameters if desired simultaneously, must select a plurality of corresponding instruments simultaneously for use, so just seem very uneconomical, not only waste lot of manpower and material resources, and can influence the accuracy and the confidence level of measurement result.
The existing method that can survey high-altitude air pressure, temperature, humidity, wind direction and wind speed mainly contains airplane sounding, rocket sounding and satellite remote sensing and ground remote sensing detection etc., but this measuring method is costly.
The intelligent degree of existing atmospheric environmental parameters surveying instrument is low, and complicated operation is easy to cause personal error, influences measuring accuracy.
In sum, present existing atmospheric environmental parameters is measured, and has measuring method backwardness, function singleness, intelligent degree is low, accuracy is low and many drawbacks such as costly.
Summary of the invention
The objective of the invention is to avoid above-mentioned deficiency of the prior art, proposed a kind of " intelligent atmospheric parametric synthesis measurement apparatus " of the composite measurement pattern based on atmospheric parameter.
In this general measuring instrument, each sensor and metering circuit that atmospheric parameters such as measuring atmospheric temperature, humidity, air pressure, wind direction and wind velocity is arranged, can be simultaneously atmospheric parameters such as the temperature of atmosphere, humidity, air pressure, wind direction and wind velocity be measured in real time, this and existing surveying instrument (function singleness) contrast, this instrument has the characteristic of multiple parameter being carried out composite measurement, therefore, the composite measurement pattern is an important innovations point of the present invention.The present invention proposes " target timing of atmospheric parameter/location survey pattern ", in this general measuring instrument, timer and global position system are arranged, can accurately determine the geographic position of impact point to be measured and the time that records atmospheric parameter, promptly to the realization of the when and where that records atmospheric parameter automatic assignment, therefore timing/location survey pattern is an important innovations point of the present invention.The present invention proposes " the intelligent measuring pattern of atmospheric parameter ", the course of work of this general measuring instrument by the unified control of single-chip microcomputer, has realized the intellectuality that atmospheric parametric synthesis is measured.The present invention proposes " to having/the wireless data transmission pattern of measurement result ", the user can select wired or wireless data-transmission mode according to actual needs, and test result is delivered to special test center.If closely test can be selected the cable data transmission mode for use; If Distance Test, (as places such as the hilltop, high-altitude, oceans) can select the wireless data transmission pattern for use especially in the open air.
The present invention is based on above-mentioned measurement pattern and data-transmission mode, developed the composite measurement instrument of atmospheric parameters such as a kind of energy measurement atmospheric temperature, humidity, air pressure, wind direction and wind velocity, be referred to as: intelligent atmospheric parametric synthesis measurement apparatus.
The invention provides and a kind ofly can carry out composite measurement the atmospheric parameter (as temperature, humidity, air pressure, wind direction and wind velocity etc.) of certain impact point in certain zone, and the atmospheric parameter (or meteorological element) that observes carried out data processing, and have to measurement result show, functions such as storage, printing and data transmission.
Intelligent type atmospheric parametric synthesis measurement apparatus involved in the present invention is made up of sensor module, multiplexing unit, signal processing apparatus, satellite positioning device, intelligent measuring device.Sensor module is made up of temperature sensor 1, humidity sensor 2, baroceptor 3, wind direction and wind velocity sensor 4; Multiplexing unit is program control multicircuit switch 5; Signal processing apparatus is made up of signal conditioner 6, A/D converter 7, and the output of signal conditioner 6 links to each other with the input of A/D converter 7; Satellite positioning device is a global positioning satellite module 8; The intelligent measuring device is made up of single-chip microcomputer 9, keyboard 10, digital display unit 11 and data outlet terminal 12, and keyboard 10, digital display unit 11 and data output 12 link to each other with single-chip microcomputer 9 respectively.
The output of temperature sensor 1, humidity sensor 2, baroceptor 3, wind direction and wind velocity sensor 4 links to each other with the input of program control multicircuit switch 5 respectively, and the output of program control multicircuit switch 5 links to each other with the input of signal conditioner 6; The delivery outlet of the delivery outlet of A/D converter 7 and global positioning satellite module 8 links to each other with the data input port of single-chip microcomputer 9 simultaneously, program control multicircuit switch 5, global positioning satellite module 8 and keyboard 10 link to each other with the control mouth of single-chip microcomputer 9 respectively, and digital display unit 11 and data outlet terminal 12 link to each other with the data output of single-chip microcomputer 9 simultaneously.
Description of drawings:
Fig. 1 is the theory of constitution block diagram of intelligent atmospheric parametric synthesis measurement apparatus.
Fig. 2 is the principle of work block diagram of intelligent atmospheric parametric synthesis measurement apparatus.
Fig. 3 is the V-T performance plot of thermometric PN junction.
Fig. 4 is thermometric PN junction constant current bias circuit figure.
Fig. 5 is provided with circuit diagram for temperature.
Fig. 6 is the Temperature Scaling circuit diagram.
Wherein: 1 is temperature sensor, and 2 is humidity sensor, and 3 is baroceptor, 4 wind direction and wind velocity sensors, 5 is program control multicircuit switch, and 6 is signal conditioner, and 7 is A/D converter, 8 global positioning satellite modules, 9 is single-chip microcomputer, and 10 is keyboard, 11 digital display unit, 12 data outlet terminals.
The present invention compared with prior art has following advantage:
1 can be simultaneously measures in real time to atmospheric parameters such as the temperature of atmosphere, humidity, air pressure, wind direction and wind velocities, This and existing measuring instrument (function singleness) contrast, and this instrument has the spy who many kinds of parameters is carried out composite measurement Look has promoted the multifunction development of atmospheric parameter measuring technique.
2 can accurately determine the geographical position of impact point to be measured and the time that records atmospheric parameter, namely to recording The realization of the when and where of atmospheric parameter automatic assignment, this is that existing atmospheric parameter measuring instrument is incomparable .
3 intellectualized technologies also are one of main characteristics of the present invention, whole system by the single-chip microcomputer unified management and Control, and have data processing, data analysis and data storage function, intelligent degree height, operation user Just.
This laser measuring apparatus can be simultaneously carries out composite measurement to the various atmospheric parameters of certain area, simultaneously, can give The geo-location parameter that goes out measured target namely positions target, and can analyze, calculate, store, show survey The amount result.
This atmospheric parametric synthesis measurement apparatus is widely used in the departments such as environmental protection, meteorological research, realizes atmosphere The isoparametric composite measurement of temperature, humidity, air pressure, wind direction and wind velocity, have wide market prospects.
Embodiment
The present invention is further described as follows below in conjunction with accompanying drawing:
The intelligence atmospheric parametric synthesis measurement apparatus is made up of sensor module, multiplexing unit, signal processing apparatus, satellite positioning device, intelligent measuring device, and its theory of constitution block diagram as shown in Figure 1.
The principle of work synoptic diagram of intelligence atmospheric parametric synthesis measurement apparatus as shown in Figure 2.Sensor module converts non electrical quantities such as atmospheric temperature, humidity, air pressure, wind direction and wind velocity to corresponding electric signal, send into the program control multicircuit switch of multiplexing unit respectively, program control multicircuit switch is under the programmed control of single-chip microcomputer, the signal that each sensor is obtained is sent into signal processing apparatus and is carried out that signal amplifies and mould/number conversion respectively, send into single-chip microcomputer again and handle, the measurement result after single-chip microcomputer is handled can directly be sent into the digital display unit and show or send into the data outlet terminal and carry out data transmission.In like manner, the positioning signal of satellite positioning device also is under the programmed control of single-chip microcomputer, sends into single-chip microcomputer, send demonstration or send into the data outlet terminal after single-chip microcomputer is handled.Total system co-ordination under the control of Single Chip Microcomputer (SCM) system 10.
Provide the embodiment of temperature measuring circuit below:
Consider from economy and practical angle, select for use the thermometric PN junction as temperature sensor.The junction voltage of thermometric PN junction rises with temperature and descends, and sensitivity is about :-mV/ ℃, its operating temperature range is about :-50 ℃～+ 200 ℃.Its V-T characteristic as shown in Figure 3.This thermometric PN junction is better at-50 ℃～100 ℃ temperature range internal linear degree, and this just in time satisfies the requirement of this system's thermometric.
Thermometric PN junction constant-current circuit as shown in Figure 4, reference voltage is provided by stabilivolt 2DW7C in the circuit, its voltage stabilizing value is about 6.2V.Hence one can see that, and its constant current value is (this is the best bias current value of this thermometric PN junction):
I
D＝U
W/R
1＝6.2/5.1K≈1.2mA (1)
In the formula (1), I
DBe the electric current of thermometric PN junction, U
WIt is the terminal voltage of voltage stabilizing diode 2DW7C.
As can be seen from Figure 4: when temperature variation, thermometric PN junction change in voltage, promptly the output end voltage of computing conditioner changes.Therefore, circuit D point voltage U
DBe thermometric voltage.
Therefore it should be noted that: when temperature was 0 ℃, PN junction voltage was not 0, will do following processing: if the starting potential when adding reference voltage and 0 ℃ is subtracted each other, cancel each other, be output as 0V in the time of just will making 0 ℃; Be output as positive voltage during greater than 0 ℃; Be output as negative voltage during less than 0 ℃, reading is just more directly perceived like this.For this reason, designed temperature and circuit has been set as shown in Figure 5.
Among Fig. 5, voltage reference is produced by voltage stabilizing diode DW2 and IC1B, and its size is:
V
O＝V
D(1+R
4/R
5)
(2)
＝6.2(1+?6.8K/10K?)≈10.3V
O point reference voltage is 10.3V among Fig. 5, and the B point send display, and the C point send comparer relatively.
Adopt field effect transistor IRF730 to improve circuit efficiency.Here, V
B=-V
C, its size 0～10.3V is adjustable (to transfer RW
1).RW
1For temperature is provided with potentiometer.
Be to solve the Temperature Scaling problem at last.During calibration, high and low end is calibrated respectively.At low side, be zero temperature with the mixture of ice and water temperature; High-end, be calibration temperature with the temperature of boiling water.The Temperature Scaling circuit as shown in Figure 6.
The D point is a thermometric diode terminal voltage among Fig. 6, and the O point is the reference voltage of 10.3V, and the A point is the thermometric voltage output end, and its output voltage is:
Consider V
D=V
0D-kt, V
0DBe the PN junction zero-point voltage, k is the temperature/voltage coefficient of PN junction, and t is a temperature, then has:
Therefore, at the freezing point place, regulate R
11, make
, determine zero point; At the high temperature place, regulate R
14, make
, determine the V-T rate of change thus, this belongs to a little tiltedly calibration.0.1v represent 1 ℃, then 90 ℃ is 9V.Because the voltage of thermometric PN junction changes with temperature linearity, therefore, video data and dut temperature have consistance.
In like manner, select for use corresponding humidity sensor, baroceptor, wind direction and wind velocity sensor etc. can design corresponding metering circuit.
Claims (1)
1 one kinds of intelligent type atmospheric parametric synthesis measurement apparatus, it is characterized in that: by sensor module, multiplexing unit, signal processing apparatus, satellite positioning device, the intelligent measuring device is formed, sensor module is by temperature sensor (1), humidity sensor (2), baroceptor (3), wind direction and wind velocity sensor (4) is formed, multiplexing unit is program control multicircuit switch (5), signal processing apparatus is by signal conditioner (6), A/D converter (7) is formed, the output of signal conditioner (6) links to each other with the input of A/D converter (7), satellite positioning device is global positioning satellite module (8), the intelligent measuring device is by single-chip microcomputer (9), keyboard (10), digital display unit (11) and data outlet terminal (12) are formed, keyboard (10), digital display unit (11) and data output (12) link to each other with single-chip microcomputer (9) respectively; Temperature sensor (1), humidity sensor (2), baroceptor (3), the output of wind direction and wind velocity sensor (4) links to each other with the input of program control multicircuit switch (5) respectively, the output of program control multicircuit switch (5) links to each other with the input of signal conditioner (6), the delivery outlet of the delivery outlet of A/D converter (7) and global positioning satellite module (8) links to each other with the data input port of single-chip microcomputer (9) simultaneously, program control multicircuit switch (5), global positioning satellite module (8) and keyboard (10) link to each other with the control mouth of single-chip microcomputer (9) respectively, and digital display unit (11) and data outlet terminal (12) link to each other with the data output of single-chip microcomputer (9) simultaneously.
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| CN 200510020226 CN1664621A (en) | 2005-01-19 | 2005-01-19 | Intelligent type atmospheric parametric synthesis measurement apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096117A (en) * | 2010-11-15 | 2011-06-15 | 蚌埠市双利电器有限责任公司 | Bus type multi-parameter environment parameter sensing and display equipment |
| CN102122002A (en) * | 2010-12-15 | 2011-07-13 | 东莞华仪仪表科技有限公司 | Multifunctional measuring instrument |
| CN102798497A (en) * | 2012-08-13 | 2012-11-28 | 国家海洋技术中心 | Intelligent atmospheric pressure measuring device |
| CN103940464A (en) * | 2013-01-21 | 2014-07-23 | 江苏理工学院 | Laboratory environment parameter comprehensive measuring instrument and method for measuring gravitational acceleration |
-
2005
- 2005-01-19 CN CN 200510020226 patent/CN1664621A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096117A (en) * | 2010-11-15 | 2011-06-15 | 蚌埠市双利电器有限责任公司 | Bus type multi-parameter environment parameter sensing and display equipment |
| CN102122002A (en) * | 2010-12-15 | 2011-07-13 | 东莞华仪仪表科技有限公司 | Multifunctional measuring instrument |
| CN102798497A (en) * | 2012-08-13 | 2012-11-28 | 国家海洋技术中心 | Intelligent atmospheric pressure measuring device |
| CN103940464A (en) * | 2013-01-21 | 2014-07-23 | 江苏理工学院 | Laboratory environment parameter comprehensive measuring instrument and method for measuring gravitational acceleration |
| CN103940464B (en) * | 2013-01-21 | 2017-02-08 | 江苏理工学院 | Laboratory environment parameter comprehensive measuring instrument and method for measuring gravitational acceleration |
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