CN106871962A - A kind of integrated form is detecting device integrated and detection method - Google Patents
A kind of integrated form is detecting device integrated and detection method Download PDFInfo
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- CN106871962A CN106871962A CN201710084658.9A CN201710084658A CN106871962A CN 106871962 A CN106871962 A CN 106871962A CN 201710084658 A CN201710084658 A CN 201710084658A CN 106871962 A CN106871962 A CN 106871962A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
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Abstract
The present invention provides that a kind of integrated form is detecting device integrated and detection method, described device includes the data acquisition module, data processing module, CAN communication interface circuit and the power supply module that are integrated on pcb board, data acquisition module includes multiple sensing probes, each sensing probe is electrically connected with data processing module, data processing module is connected by CAN communication interface circuit with host computer, and power supply module is connected with data acquisition module, data processing module and CAN communication interface circuit respectively.Be integrated on pcb board all of circuit by the present invention, and whole detection means is integrally formed formula structure, and integrated level is high, and small volume is low in energy consumption, using flexible, and is communicated using CAN, overcomes the shortcomings of isolated sensor wiring is cumbersome, purposes is single；Every ambient parameter to gathering carries out the parameter that Data Fusion obtains characterizing current climate situation, and the parameter can more reflect current climate situation, more accuracy compared to single ambient parameter.
Description
Technical field
The present invention relates to sensor detecting field, more particularly, to a kind of integrated form it is detecting device integrated and
Detection method.
Background technology
Greenhouse be on the basis of various natural resources are made full use of, by change some envirment factors (temperature, illumination,
Wind speed etc.) create suitable crop growth, and the artificial climate environment unrelated with season, so as to increase make produce
Amount, improving quality, growth regulation cycle, a kind of agricultural facility for increasing economic efficiency.
The ambient parameters such as wind speed, illumination, rainfall, temperature in greenhouse outdoor environment, have very big shadow to the growth of crop
Ring.Accordingly, it would be desirable to the change of the various crop growth environment parameters of dynamic realtime ground monitoring, wants according to crop to growing environment
Ask, realize automatically controlling for greenhouse, crop is reached best match, Jin Ershi in different each envirment factors of growth phase
The increasing both production and income of existing crop, therefore the acquisition of greenhouse Outdoor Air Parameters information is particularly important.
At present, for the acquisition of greenhouse Outdoor Air Parameters information, mainly realized by sensor, sensor
Use, substantially increase the automatization level in greenhouse, also to a certain extent, having ensured the growing environment parameter of crops has
Effect is obtained.But the outdoor climate detection for using at home at present be all by the independent sensor of each maturation, according to point
Come what is completed, their wirings are cumbersome, bulky, without integration and data amalgamation, purposes for the vertical weather station for placing composition
It is single.
The content of the invention
The present invention provides a kind of integrated form integration inspection for overcoming above mentioned problem or solving the above problems at least in part
Survey device and method.
According to an aspect of the present invention, there is provided a kind of integrated form is detecting device integrated, including：
Including the data acquisition module, data processing module, CAN communication interface circuit, the power supply supply that are integrated on pcb board
Module, it is integrally formed formula structure, the data acquisition module, including multiple sensing probes, each described sensing probe with
The data processing module electrical connection, the data processing module is connected by the CAN communication interface circuit with host computer, institute
State power supply module and be connected power supply with data acquisition module, data processing module and CAN communication interface circuit respectively；
Each described sensing probe, for gathering outdoor corresponding ambient parameter value, and the ambient parameter value is sent out
Deliver to data processing module；
The data processing module, each ambient parameter value for being sent to each sensing probe is entered again after pre-processing
Row data fusion, obtains characterizing the final ambient parameter value of current climate situation；
The CAN communication interface circuit, for the final ambient parameter value hair for being calculated the data processing module
Give host computer.
According to another aspect of the present invention, a kind of integrated form integrated detection method is additionally provided, including：
S1, the multiple sensing probes being integrated on pcb board gather the respective environment parameter value of outdoor respectively, and send to number
According to processing module；
S2, data are carried out after each ambient parameter value pretreatment that data processing module sends to each sensing probe again
Fusion, obtains characterizing the final ambient parameter value of current climate situation, and by final ambient parameter value by CAN communication interface electricity
Road is sent to host computer.
Beneficial effects of the present invention are：All of circuit is integrated on pcb board, it is integrally formed formula structure, entirely
The integrated level of detection means is high, and small volume is low in energy consumption, using flexible, and is communicated using CAN, overcomes separate type
The shortcomings of sensor wiring is cumbersome, purposes is single；Device inside carries out data containing the every ambient parameter to gathering simultaneously
Fusion treatment, obtains characterizing the parameter of current climate situation, and the parameter can more reflect currently at once compared to single ambient parameter
Climate condition, is that manager provides Reference Services online.
Brief description of the drawings
Fig. 1 is the detecting device integrated schematic diagram of integrated form of one embodiment of the invention；
Fig. 2 is air velocity transducer circuit connection diagram；
Fig. 3-a are rainfall sensing probe the first plate electrode piece schematic diagram；
Fig. 3-b are rainfall sensing probe the second plate electrode piece schematic diagram；
Fig. 3-c are the first plate electrode piece and the second plate electrode piece scheme of installation；
Fig. 4 is the integrated form integrated detection method flow chart of another embodiment of the present invention；
Fig. 5 is every ambient parameter weighted average calculation schematic diagram.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the invention is described in further detail.Hereinafter implement
Example is not limited to the scope of the present invention for illustrating the present invention.
It is that the integrated form of one embodiment of the invention is detecting device integrated, including be integrated in same pcb board referring to Fig. 1
On data acquisition module, data processing module, CAN communication interface circuit, power supply module, it is integrally formed formula structure,
The data acquisition module includes multiple sensing probes, and each sensing probe is electrically connected with data processing module, data processing
Module is connected by CAN communication interface circuit with host computer, power supply module respectively with data acquisition module, data processing mould
Block and the connection power supply of CAN communication interface circuit.Power supply module therein can be adapted to respectively by the way that 220V alternating currents are converted to
It is its power supply after the direct current of individual circuit, such as, is generally converted to the alternating current of 220V after the direct current of 5V as each circuit
Power supply.
Wherein, each sensing probe, for gathering outdoor corresponding ambient parameter value, and by ambient parameter value send to
Data processing module；Data processing module, for the ambient parameter value that each sensing probe sends is filtered shaping and
Data fusion, obtains characterizing the final ambient parameter value of current climate situation；CAN communication interface circuit, for by data processing
The final ambient parameter value that module is calculated is sent to host computer, so that host computer is adjusted according to final ambient parameter value
Section.
Wherein, multiple sensing probes include temperature sensing probe, wind speed sensing probe, illumination sensing probe and rainfall sensing
Probe, data acquisition module also includes multiple filter amplification circuits, and temperature sensing probe, wind speed sensing probe, illumination sensing are visited
Head and rainfall sensing probe are electrically connected by a corresponding filter amplification circuit with data processing module respectively.TEMP is visited
Head, for the temperature signal outside Real-time Collection room；Wind speed sensing probe, for the wind velocity signal outside Real-time Collection room；Illumination is passed
Sense probe, for the luminance signal outside Real-time Collection room；Rainfall sensing probe, for the rainfall signal outside Real-time Collection room；Often
One filter amplification circuit, for being filtered shaping to temperature signal or wind velocity signal or luminance signal or rainfall signal, and
By the signal transmission after filter shape to the data processing module.
In the present embodiment, wind speed sensing probe, as sensing element, is heated using nickel filament using K-type thermocouple to it,
The change of wind speed can cause the change of thermocouple output voltage, thus just can set up wind speed with output voltage according to bridge
Relational model, the measurement of wind speed is carried out using K-type thermocouple, can be prevented effectively from three cup type anemobiagraph mechanical parts and easily be ground
The shortcomings of damaging, there is rotary inertia, cold snap and easily freeze, its detection circuit theory diagrams are as shown in Figure 2.Wherein, wind speed is passed
Sensor detection circuit includes nickel network electric-heating-wire-heating constant-current source circuit 1 and thermojunction type wind speed measuring circuit 2, the nickel network electric heating
Silk heating constant-current source circuit 1 includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, electric capacity C1, amplifier U1, three poles
Pipe Q1 and heating wire ab.One end of resistance R1 is connected with power supply VCC, the other end and resistance R2, resistance R3 and the electric capacity of resistance R1
The common port connection of C1, the other end of resistance R3 and the other end ground connection of electric capacity C1, another termination amplifier U1 of resistance R2
Positive input, the negative input of amplifier U1 is connected by resistance R4 with the emitter stage of resistance R5 and triode Q1,
The other end ground connection of resistance R5, the base stage of the output termination triode Q1 of amplifier U1, the colelctor electrode of triode Q1 passes through electric heating
Silk ab meets power supply VCC.
Thermojunction type wind speed measuring circuit 2 includes thermocouple probe cd, resistance R6, resistance R7, resistance R8, resistance R9, electricity
Resistance R10, resistance R11, resistance R12, resistance R13, electric capacity C2, amplifier U2 and diode D1.One end of resistance R6 and resistance R7
A termination power VCC, the other end of resistance R6 is grounded by the cd ends of thermocouple probe and resistance R9, the other end of resistance R7
It is grounded by resistance R8 and resistance R10, the common port of resistance R7 and resistance R8 is connected with the positive pole of diode D1, diode D1's
The other end is connected by resistance R11 with the positive input of amplifier U2, and the common port of resistance R8 and resistance R10 passes through resistance
R12 is connected with the negative input of amplifier U2, the common port of thermocouple probe cd and resistance R9 and the negative pole phase of diode D1
Even, one end of electric capacity C2 connects the positive input of amplifier U2, the other end ground connection of electric capacity C2, one end connection of resistance R13
The negative input of amplifier U2, the output end of the other end connection amplifier U2 of resistance R13.
Ab is heating nickel filament in electric-heating-wire-heating constant-current source circuit 1, and its circuit theory is：R1With R3It is proportional, by
Voltage division formulas can obtain amplifier U1 homophase input terminal voltages, short by void and empty breaking can obtain n point voltages and flow through nickel chromium triangle and add so as to trying to achieve
The stabling current of heated filament ab.Thermojunction type wind speed measuring circuit 2, c and d are K-type thermocouple, R6≈R7+R8And R9=R10=R11=
R12.The operation principle of thermojunction type wind speed measuring circuit is：When heater strip a and b ends are input into constant heated current, to supply K
, now, there is corresponding thermoelectrical potential at K-type thermocouple c and d two ends in 200 DEG C or so operating ambient temperatures of type thermocouple one.When
When environment temperature is 20 DEG C and in still air (wind speed is zero), thermoelectrical potential is a fixed value, and measured data is about
8.139mV, by Rational choice resistance value, now Ucd=UR8=8.139mV；It is distinguished and admirable to make the work of thermocouple when wind speed is measured
Make environment temperature decline, the thermoelectrical potential at c and d two ends changes, its value is the function of wind speed.Therefore by the measurement of thermoelectrical potential
Corresponding air speed value can be calculated.Diode D1Effect be when K-type thermocouple occur open circuit when, D1 is turned on and by R7→
D1→R11For amplifier in-phase input end is powered, it is to avoid amplifier is burnt because instantaneous power is amplified.C1, C2 are used to enter to amplifying model
Row filtering.
Based on actual demands of engineering, illumination sensing probe is to utilize silicon photocell sensor in the present embodiment, can be by light
Electric energy can be converted directly into.
Rainfall sensing probe employs capacitive rain quantity sensor, and capacitive rain quantity sensor includes the first plate electrode
Piece, the second plate electrode piece and fixing device, the first plate electrode piece include the donut of multiple different radiis, multiple concentric
It is fixedly connected between annulus, hollow out between each two adjacent rings, the radius of the radius of maximum annulus and the second plate electrode piece
Identical, the first plate electrode piece and the second plate electrode parallel fixed rear-inclined of piece spacing preset distance are installed on the fixed dress
Put, wherein, the first plate electrode piece is located at the top of the second plate electrode piece.Multiple donuts of the first plate electrode piece
When being fixedly connected, several holes can be opened on each donut, the hole line between different annular is in radial direction, is passed through
With the hole on each annulus be fixed together in the center of circle of donut by multigroup fixture, and then causes the first plate electrode piece
Multiple donuts between be fixed as one.Wherein, Fig. 3-a are the first plate electrode piece schematic diagram, and Fig. 3-b are the second flat board
Electrode slice schematic diagram.First plate electrode and the second parallel fixed rear-inclined of plate electrode spacing preset distance are installed on solid
Determine on device, such as the first plate electrode piece and the scheme of installation of the second plate electrode piece of Fig. 3-c.In the present embodiment, first
The distance between plate electrode piece and the second plate electrode piece are maintained between 2-10mm, and incline peace in 15 ° after parallel fixation
Quickly slid loaded on rainwater in fixing device, is allow.Stainless steel substrates electrode (i.e. the first plate electrode piece) in top has
Two annular holes, rainwater can be fallen between two electrodes easily.When two interelectrode raindrop numbers not grade is connected across, electricity
The capacitance of interpolar, just can obtain real-time rainfall size accordingly.The rain sensor small volume, pace of change is fast, knot
Structure stabilization, the shortcoming that optical profile type rain sensor can be avoided easily to be influenceed by illumination and ray it also avoid variable resistance type rainfall
The shortcoming of the easy temperature influence of sensor.
Temperature sensing probe uses platinum resistance temperature sensor, and its principle is closed into certain function using RTD and temperature
System measures ambient temperature.Due to the stability of characteristics of platinum, will not cause because of high/low temperature and physically or chemically change, meanwhile,
The features such as it has small volume, simple structure, therefore be non-convention by the temperature sensing probe that RTD is applied to the present embodiment
The selection thought.
Above-mentioned data processing module includes the A/D change-over circuits and single-chip computer AT89C52 that are made up of ADC0809 chips,
A/D change-over circuits respectively with each filter amplification circuit and monolithic mechatronics；A/D change-over circuits, for shape will to be simulated
The temperature signal of formula, wind velocity signal, luminance signal and rainfall signal are converted to temperature signal, wind velocity signal, the light of digital form
According to signal and rainfall signal, and transmit to the single-chip microcomputer；Single-chip microcomputer, for the temperature signal to digital form, wind velocity signal,
Luminance signal and rainfall signal carry out Data Fusion, obtain characterizing the final ambient parameter value of current climate situation, and will
The final ambient parameter for calculating is uploaded to host computer by CAN communication interface circuit.Host computer can according to the final ambient parameter,
By interval Auto-matching current climate suitability degree belonging to it, and environment is adjusted according to current climate suitability degree, with
To optimum climate, application portability of the invention is embodied.
Wherein, CAN communication interface circuit includes the CAN controller of SJA1000 models, the CAN of PCA82C250 models drives
Device and EBI, single-chip microcomputer pass sequentially through the CAN controller, CAN drivers and EBI and upper mechatronics.It is logical
The transmission data for crossing Single-chip Controlling CAN communication interface circuit and the receiving instruction of the task.The present embodiment is carried out using CAN
Communication, solves the problems such as decoupled sensor wiring is cumbersome, purposes is single.
It is the integrated form integrated detection method of another embodiment of the present invention referring to Fig. 4, including：S1, is integrated in same
Multiple sensor probes on pcb board gather the respective environment parameter value of outdoor respectively, and send to data processing module；S2,
Data fusion is carried out again after each ambient parameter value pretreatment that data processing module sends to each sensing probe, obtains table
The final ambient parameter value of current climate situation is levied, and final ambient parameter value is sent to by CAN communication interface circuit
Position machine.
Be integrated in multiple sensing probes on same pcb board by the present embodiment, is integrally formed formula structure so that whole detection
Device volume is smaller.Multiple sensing probes gather outdoor corresponding ambient parameter value respectively in step S1, and send to data
Reason module.In the present embodiment, sensing probe mainly includes wind speed sensing probe, rainfall sensing probe, illumination sensing probe and rain
Amount sensing probe, gathers wind velocity signal, rainfall signal, luminance signal and the temperature signal of outdoor respectively, and respectively to these letters
Number it is filtered shaping amplification.Due to sensing probe collection these signals for analog form, it is necessary to first by these analog forms
Signal be converted into the signal of digital form, in input to the single-chip microcomputer of data processing module.
Single-chip microcomputer in step S2 carries out Data Fusion to these environmental parameter signals, obtain one can characterize work as
The final ambient parameter of preclimax situation.The inspection that data fusion method is applied to Outdoor Air Parameters of the present embodiment novelty
Survey, carry out data fusion calculating again after wind speed, illumination, the four parameter pretreatments of rainfall and temperature that single-chip microcomputer will be collected, most
A parameter for sign current climate situation is drawn eventually.The integrated form considered involved by the present embodiment is detecting device integrated
Each side performance, and the single-chip microcomputer that is used of the device should not be applied to the requirement of more complicated data handling procedure,
Wind velocity signal, rainfall signal, luminance signal and temperature signal are merged in data set using weighted mean method, weighted average
There is method information to lose less, amount of calculation is small, be adapted to merge initial data.Weighted fusion algorithm is introduced below.
It is Data Fusion process referring to Fig. 5, before weighted fusion algorithm, due to the collection of multi-resources Heterogeneous sensor
The dimension of the signal of output is inconsistent, in order to effectively be merged to initial data, it is necessary to distinguish each signal parameter
Transformation calculations are done, each signal parameter is transformed in preset range, such as, the present embodiment becomes each signal parameter
The voltage signal changed between 0-5V, then carry out fusion calculation.
After by data simple process, using weighted mean method, its data fusion process is, by the measured value of each sensor point
It is not expressed as：
Z (k)=x (k)+n (k), k=1,2,3,4
In formula, z (k) is the actual value of sensor measurement, and n (k) is noise, and the mathematic expectaion of n (k) is E (n)=0.
Assuming that the measurement data of four parameters does not have deviation and separate, the then sensor output after being weighted merging
VoltageIt is represented by
In above formula, a (k) is the regulated value of each measured value, will z (k) be adjusted in preset range；W (k) is each
The weighted value of parameter value, the reasonable setting of a (k) can cause that fusion function becomes simplified.
Single-chip microcomputer has been carried out after data fusion to every ambient parameter, the final ambient parameter that will be obtained after fusion treatment
Host computer is uploaded to by CAN communication interface circuit, host computer can be according to final ambient parameter, according to automatic of its affiliated area
With current climate suitability degree.The method that the present embodiment is provided can be applied to by detecting the environment measuring outside greenhouse room, according to temperature
How the Climatic Suitability that environment outside the room of room comes in Auto-matching greenhouse room, i.e., adjust the parameters index in greenhouse room.
For the weights for determining every ambient parameter, the method for being currently known accepted opinion level Factor Weight really has expert analysis mode
Method, factor analysis and VC Method etc., in order to overcome the expert point rating methods such as Delphi methods subjective factor influence with
And the defect of information loss often occurred in factor analysis is avoided, the present embodiment takes VC Method to determine every ring
The weight of border parameter value.In the present embodiment, Beijing's meteorological statistics data of 1978-2015 years is chosen as analysis sample,
As shown in table 1.The present embodiment takes VC Method to determine that the weight of every ambient parameter value has main steps that：Calculate each list
Average, the standard deviation of item index；Calculate the coefficient of variation V of each single indexi, its formula is：
In formula：ViIt is i-th coefficient of variation of index, also referred to as coefficient of standard deviation；siIt is i-th standard deviation of index；xi
It is i-th average of index.
Finally apply formula：
Wind speed, illumination, rainfall, this four main climatic factor indexs of temperature are determined to the evaluation right of Climatic Suitability
Collection is again：A0={ 0.172,0.148,0.561,0.118 }, i.e. w (1)=0.172, w (2)=0.148, w (3)=0.561, w
(4)=0.118, wherein, w (1), w (2), w (3), w (4) represent the weight of wind speed, illumination, rainfall and temperature successively, by drawing
Weight can be seen that：Rainfall is maximum with the relation of plant growth, and its influence to crop climate suitability degree is in whole system
In occupy significant proportion；Temperature, wind speed and sunshine also have a certain impact, and it can ensure that crop is normal in suitable scope
Growth, metabolic function, Beijing's meteorological statistics data such as table 1 below of 1978-2015 years.
Table 1
The present invention provide a kind of integrated form is detecting device integrated and detection method, by each circuit mould of whole device
Block is integrated on same pcb board, and the process structure of integral type, whole test device body have been used together with each sensing probe
Product is small, while improve the stability of whole detection means and using flexibility, also reduces production cost and is safeguarded into installation
This；For greenhouse with integrated type sensor volume of transmitted data it is big the features such as, the application weighting method of average, by every ambient parameter in number
Merged according to level, the weight of every ambient parameter is determined using VC Method, finally shown that one can characterize currently
The parameter of climate condition, the parameter embodies administrative convenience by the interval current crop climate suitability degree of Auto-matching belonging to it
Property, it is easy to more accurately control greenhouse, can be widely applied to various types of agricultural greenhouse outdoor environment numbers
According to collection and the intelligent production of agricultural production；Communicated using CAN, solved decoupled sensor wiring cumbersome
Problem；The method for employing thermocouple survey wind speed of novelty, can be prevented effectively from three cup type anemobiagraph mechanical parts and easily grind
Damage, exist the shortcomings of rotary inertia, cold snap are easily freezed and apply side of the electric capacitance change with rainfall size variation
Method detects rainfall, its small volume, and pace of change is fast, and structure reliability, stable performance can avoid optical profile type rain sensor from easily receiving
Illumination and the shortcoming of ray influence, it also avoid the shortcoming of the easy temperature influence of variable resistance type rain sensor.
Finally, the present processes are only preferably embodiment, are not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc. should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of integrated form is detecting device integrated, it is characterised in that including the data acquisition module, the number that are integrated on pcb board
According to processing module, CAN communication interface circuit and power supply module, it is integrally formed formula structure, the data acquisition module bag
Multiple sensing probes are included, each described sensing probe is electrically connected with the data processing module, the data processing module leads to
The CAN communication interface circuit is crossed to be connected with host computer, the power supply module respectively with data acquisition module, data processing
Module and the connection power supply of CAN communication interface circuit；
Each described sensing probe, for gathering outdoor corresponding ambient parameter value, and by the ambient parameter value send to
Data processing module；
The data processing module, each ambient parameter value for being sent to each sensing probe enters line number again after pre-processing
According to fusion, obtain characterizing the final ambient parameter value of current climate situation；
The CAN communication interface circuit, the final ambient parameter value for the data processing module to be calculated is sent to
Host computer.
2. integrated form as claimed in claim 1 is detecting device integrated, it is characterised in that the multiple sensing probe includes temperature
Degree sensing probe, wind speed sensing probe, illumination sensing probe and rainfall sensing probe, the data acquisition module also include multiple
Filter amplification circuit, the temperature sensing probe, wind speed sensing probe, illumination sensing probe and rainfall sensing probe pass through respectively
Corresponding filter amplification circuit is electrically connected with the data processing module；
The temperature sensing probe, for the temperature signal outside Real-time Collection room；
The wind speed sensing probe, for the wind velocity signal outside Real-time Collection room；
The illumination sensing probe, for the luminance signal outside Real-time Collection room；
The rainfall sensing probe, for the rainfall signal outside Real-time Collection room；
Each described filter amplification circuit, for being filtered to temperature signal or wind velocity signal or luminance signal or rainfall signal
Ripple shaping, and by the signal transmission after filter shape to the data processing module.
3. integrated form as claimed in claim 2 is detecting device integrated, it is characterised in that the wind speed sensing probe is thermoelectricity
The sensor of even form, the illumination sensing probe is silicon photocell optical sensor, and the rainfall sensing probe is condenser type
Rain sensor, the temperature sensing probe is platinum resistance temperature sensor.
4. integrated form as claimed in claim 3 is detecting device integrated, it is characterised in that the data processing module includes A/
D change-over circuits and single-chip microcomputer, the A/D change-over circuits are electrically connected with filter amplification circuit each described and single-chip microcomputer respectively
Connect；
The A/D change-over circuits, for the temperature signal of analog form, wind velocity signal, luminance signal and rainfall signal to be changed
It is the temperature signal of digital form, wind velocity signal, luminance signal and rainfall signal, and transmits to the single-chip microcomputer；
The single-chip microcomputer, carries out data and melts for the temperature signal to digital form, wind velocity signal, luminance signal and rainfall signal
Conjunction is processed, and obtains characterizing the final ambient parameter value of current climate situation.
5. integrated form as claimed in claim 3 is detecting device integrated, it is characterised in that the capacitive rain quantity sensor bag
The first plate electrode piece, the second plate electrode piece and fixing device are included, the first plate electrode piece includes multiple different radiis
Donut, be fixedly connected between multiple donuts, hollow out between each two adjacent rings, first flat board electricity
Pole piece and the second plate electrode parallel fixed rear-inclined of piece spacing preset distance are installed in the fixing device, wherein, first
Plate electrode piece is located at the top of the second plate electrode piece.
6. integrated form as claimed in claim 1 is detecting device integrated, it is characterised in that the CAN communication interface circuit bag
Include CAN controller, CAN drivers and EBI, the single-chip microcomputer passes sequentially through the CAN controller, CAN drivers and total
Line interface and upper mechatronics.
7. a kind of integrated form integrated detection method, it is characterised in that including：
S1, the multiple sensor probes being integrated on pcb board gather the respective environment parameter value of outdoor respectively, and send to data
Processing module；
S2, data fusion is carried out after the ambient parameter value pretreatment that data processing module sends to each sensing probe again, is obtained
To the final ambient parameter value of sign current climate situation, and final ambient parameter value is sent by CAN communication interface circuit
To host computer.
8. integrated form integrated detection method as claimed in claim 7, it is characterised in that data processing mould in the step S2
Data fusion is carried out again after each ambient parameter value pretreatment that block sends to each sensing probe, obtains characterizing current climate
The final ambient parameter value of situation is further included：
The weights of every ambient parameter value are determined using VC Method, and then every ambient parameter value are weighted averagely,
Obtain the final ambient parameter value of the sign current climate situation after weighted average.
9. integrated form integrated detection method as claimed in claim 8, it is characterised in that the use VC Method determines
The weights of every ambient parameter value are further included：
The average value X of temperature signal, wind velocity signal, luminance signal and rainfall signal is calculated respectivelyiWith standard deviation si；
Average value X according to each detection signaliWith standard deviation siCalculate the coefficient of variation V of each signali, its formula is：
Wherein, ViIt is i-th coefficient of variation of signal, siIt is i-th standard deviation of signal, xiIt is i-th average of signal；
Then the weights of i-th signal are：
10. integrated form integrated detection method as claimed in claim 7, it is characterised in that also include before the step S2：
Every ambient parameter value is normalized so that every ambient parameter value is in preset range.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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