CN106249774A - A kind of humidity control system - Google Patents
A kind of humidity control system Download PDFInfo
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- CN106249774A CN106249774A CN201610786766.6A CN201610786766A CN106249774A CN 106249774 A CN106249774 A CN 106249774A CN 201610786766 A CN201610786766 A CN 201610786766A CN 106249774 A CN106249774 A CN 106249774A
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- 230000005540 biological transmission Effects 0.000 claims description 7
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- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 229910052681 coesite Inorganic materials 0.000 claims description 5
- 229910052906 cristobalite Inorganic materials 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
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- 229910052682 stishovite Inorganic materials 0.000 claims description 5
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- 230000006870 function Effects 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
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- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
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- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 239000005046 Chlorosilane Substances 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000007818 Grignard reagent Substances 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 238000012661 block copolymerization Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- RDHPKYGYEGBMSE-UHFFFAOYSA-N bromoethane Chemical compound CCBr RDHPKYGYEGBMSE-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 125000003963 dichloro group Chemical group Cl* 0.000 description 1
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 description 1
- YYLGKUPAFFKGRQ-UHFFFAOYSA-N dimethyldiethoxysilane Chemical compound CCO[Si](C)(C)OCC YYLGKUPAFFKGRQ-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
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- 239000012362 glacial acetic acid Substances 0.000 description 1
- 150000004795 grignard reagents Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
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- 210000002364 input neuron Anatomy 0.000 description 1
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- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
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- 238000009210 therapy by ultrasound Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D22/00—Control of humidity
- G05D22/02—Control of humidity characterised by the use of electric means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a kind of humidity control system, belong to monitoring system field.A kind of humidity control system of the present invention, the some humidity sensor unit connected including signal, MCU1 controller, some emitters, main receptor, MCU2 controller and monitoring PC main frame.A kind of humidity control system of the present invention has multipoint acquisition humidity delta data simultaneously, thus monitors the change of overall situation humidity, identifies that process is reliable, it is to avoid the phenomenon that certain or multiple label cannot be matched, identify occur, it is ensured that the feature of monitoring accuracy.
Description
Technical field
The present invention relates to a kind of system, particularly a kind of humidity control system.
Background technology
Humidity sensor is widely used in various fields, such as Industry Control, medicine production, agricultural planting, meteorological spy
Survey and food storage etc..Realize in these fields the measurement fast and accurately of humidity is had great importance.
RFID technique is a kind of non-contacting automatic identification technology, is automatically identified semantic object extraction number by radiofrequency signal
According to, the humidity of several end points can be monitored simultaneously and obtain the mean change of overall situation.But in actual applications due to electromagnetic wave
The impact of the factors such as interference, changes in environmental conditions, it may appear that the phenomenon that certain or multiple label cannot be matched, identify, thus
Cause part data to be detected, have a strong impact on the precision of Humidity Detection.
Summary of the invention
The goal of the invention of the present invention is: for the problem of above-mentioned existence, it is provided that a kind of multipoint acquisition humidity change simultaneously
Data, thus monitor the change of overall situation humidity, identify that process is reliable, it is to avoid occur that certain or multiple label cannot be matched, know
Other phenomenon, it is ensured that the moisture monitoring system of monitoring accuracy.
The technical solution used in the present invention is as follows:
One humidity control system of the present invention, the some humidity sensor unit connected including signal, MCU1 controller, send out
Emitter, main receptor, MCU2 controller and monitoring PC main frame；Described humidity sensor unit, including built-in active RFID tag
Humidity sensor apparatus, described humidity sensor apparatus gathers humidity data, and value is stored in active RFID tag；Described
MCU1 controller, it is possible to the RFID label tag of specific objective is written and read, and data be out to be temporarily stored in single-chip microcomputer internal memory；Described
Emitter, it is possible to by radio frequency transmitter chip wirelessly transmitting data；Described main receptor, it is possible to receive the nothing that emitter is launched
Line transmission data；Described MCU2 controller, it is possible to control to transfer data to monitor in PC main frame by serial ports；Described monitoring PC
Main frame, it is possible to data are shown, stores and computing.
Owing to have employed technique scheme, by less radio-frequency, the humidity collection data of each different end points are transferred to
In main frame, then data are analyzed, form humidity control system.
A kind of humidity control system of the present invention, described MCU1 controller includes judging with the communication process of RFID label tag
Journey, described judge process connects to be had the first matching process of parallel connection and remembers matching process, described judge process following steps,
Step one, RFID label tag is waited for, and sends solicited message to MCU1 controller, it may be judged whether receive MCU1
The acknowledgement command that controller sends, if not receiving the acknowledgement command that MCU1 controller sends, then continues to send solicited message, its
In, the distribution model in MCU1 controller isConstraints is xijIt is the value between label and controller, LijIt it is the distance between label and controller；
Step 2, if RFID label tag timing receives the acknowledgement command that MCU1 controller sends, it is judged that RFID label tag is successfully sent out
Send data times whether more than four times, if more than or equal to four times, enter memory matching process；If less than four times, enter first
Matching process.
Owing to have employed technique scheme, the process of request coupling is optimized, the allocation model of MCU1 is entered
Row optimizes, and improves success rate and the accuracy of coupling, it is ensured that in the transmission that the data of collection can be complete to main frame.
A kind of humidity control system of the present invention, described first matching process comprises the following steps,
Step one, RFID label tag sends data message to MCU1 controller, and MCU1 sends feedback information after receiving information；
Step 2, RFID label tag judges whether to receive feedback information；If RFID label tag receives feedback letter within a certain period of time
Breath then represents that data are successfully transmitted, and continues to gather humidity data；If RFID label tag is within a certain period of time for receiving feedback information,
Represent the unsuccessful transmission of data, continue to attempt to send data.
A kind of humidity control system of the present invention, described memory matching process comprises the following steps,
Step one, RFID label tag sends data message to MCU1 controller；
Step 2, continues after being sent completely to gather humidity data.
Owing to have employed technique scheme, when matching times is more than or equal to four times, MCU1 and specific RFID label tag
Set up stable transmission channel, it is not necessary to reversely confirming process before, reduce power attenuation.
A kind of humidity control system of the present invention, described humidity sensor apparatus includes that substrate, described substrate lower surface are covered
Having substrate layer, described upper surface of substrate to be provided with heater, described heater upper surface is provided with output layer, described output layer upper surface
Being covered with humidity sensing layer, be provided with protecting film between described heater and output layer, described output layer is L-shaped, described output layer vertical end
The bottom in face is connected with protecting film, between the horizontal end face of described output layer and protecting film between be separated with RFID label tag layer, described output
Layer is connected with some output ports.
Owing to have employed technique scheme, by heater just wetness sensor surface temperature constant in certain temperature
In the range of degree, make wetness sensor surface temperature higher than ambient temperature, it is to avoid wetness sensor surface condenses, thus ensures humidity
Sensor surface humidity sensing layer gathers the accuracy of data.Output layer is separated with heater by protecting film, it is to avoid Neng Goujin
One step ensures that even heat is distributed in humidity sensing surface surface, avoids the overheated normal work to output layer of heater surfaces to cause simultaneously
Impact.Output layer is made L-type and ensure that output layer is connected with protecting film, it is to avoid RFID label tag layer by output layer completely every
Open, enable to humidity sensing layer simultaneously and can touch the humidity change that level height is different, it is ensured that the accuracy of data.
A kind of humidity control system of the present invention, described heater includes three heating units, the most suitable
Sequence connects heating unit one, and heating unit two and heating unit three, described humidity sensing layer is L-shaped, and described humidity sensing layer is overlying on output layer
Upper surface, described humidity sensing layer is only located at heating unit two surface, and the thickness of described heating unit two lower substrates is single less than heating
Unit two and the thickness of heating unit three lower substrates.
A kind of humidity control system of the present invention, it is characterised in that: described heater (2) is snakelike heater,；Described add
Hot cell one is connected with electrode (5) with one end of heating unit three, and the other end is connected with the two ends of heating unit two；Described heating is single
Unit one arranges in the horizontal direction, and described heating unit one and heating unit three specular, described heating unit two is along vertically side
To layout.
Owing to have employed technique scheme, heating unit one and heating unit three heat in the both sides of humidity sensing layer so that
Even heat disperses, and heating unit two vertically direction is arranged, it is to avoid affects air circulation between heating unit, adopts humidity sensing layer
Collection data impact, and can effectively reduce sensor heat simultaneously and scatter and disappear.
A kind of humidity control system of the present invention, described heater is made up of platinum, and described substrate layer is by nano-TiO2Thin film
Making, described matrix is made up of silane alkynes block resin, and described silane alkynes block resin molecular formula is ABA, wherein
Owing to have employed technique scheme, thermal protection and the heat dispersion of heater, substrate layer and matrix have preferably
Balance, under conditions of variation of ambient temperature, character is still stable, it is possible to obtain the heats of optimum.
A kind of humidity sensor of the present invention, described humidity sensing layer is by graphene oxide/nanometer Al2O3/ polyimides is made.
Owing to have employed technique scheme, not only there is the heat conductivility of excellence, it is possible to greatly reduce humidity sensing layer surface
The gap of temperature, meanwhile, has good dispersibility and hydrophilic.Owing to moisture is keeping graphene oxide/nanometer Al2O3/
Playing a key effect in the layer structure of polyimides, moisture can be in oxygen and the moisture from the epoxy radicals crossing material surface
Reciprocal action between hydrogen bond and insert in material layer.Wherein, m (graphene oxide): m (nanometer Al2O3): m (polyimides)=
During 1:2.1:3, highly sensitive, it is in the range of 14%～91% at relative humidity, humidity hysteresis is 3.7%, response time and recovery
Time is respectively 5s and 12s.
A kind of humidity sensor of the present invention, described protecting film is by Na2O-SiC-SiO2Gel is made.
Owing to have employed technique scheme, the heat-conductive characteristic of protecting film is good, has certain thermostatic effect.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, multipoint acquisition humidity delta data simultaneously, thus monitor the change of overall situation humidity, identify that process is reliable, it is to avoid go out
The phenomenon that now certain or multiple label cannot be matched, identify, it is ensured that monitoring accuracy.
2, highly sensitive, it is in the range of 14%～91% at relative humidity, humidity hysteresis is 3.7%, response time and recovery
Time is respectively 5s and 12s, and the degree of accuracy gathering data is high, and under conditions of variation of ambient temperature, character is still stable.
Accompanying drawing explanation
Fig. 1 is a kind of humidity control system structure schematic diagram；
Fig. 2 is humidity sensor apparatus plan structure schematic diagram；
Fig. 3 is humidity sensor apparatus side-looking structural representation.
Labelling in figure: 1 is substrate, and 2 is heater, and 3 is humidity sensing layer, and 4 is output port, and 5 is electrode, and 6 is output layer, 7
For substrate layer, 8 is RFID label tag layer, and 9 is protecting film.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, to this
Invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Embodiment 1
As it is shown in figure 1, a kind of humidity control system, the some humidity sensor unit connected including signal, MCU1 controls
Device, some emitters, main receptor, MCU2 controller and monitoring PC main frame；Described humidity sensor unit, including built-in active
The humidity sensor apparatus of RFID label tag, described humidity sensor apparatus gathers humidity data, and value is stored in active RFID mark
In label；Described MCU1 controller, it is possible to the RFID label tag of specific objective is written and read, and data be out to be temporarily stored in single-chip microcomputer
In depositing；Described emitter, it is possible to by radio frequency transmitter chip wirelessly transmitting data；Described main receptor, it is possible to receive and launch
The wirelessly transmitting data that device is launched；Described MCU2 controller, it is possible to control to transfer data to monitor in PC main frame by serial ports；
Described monitoring PC main frame, it is possible to data are shown, stores and computing.
Described MCU1 controller includes judge process with the communication process of RFID label tag, and described judge process connects parallel connection
First matching process and memory matching process, described judge process following steps,
Step one, RFID label tag is waited for, and sends solicited message to MCU1 controller, it may be judged whether receive MCU1
The acknowledgement command that controller sends, if not receiving the acknowledgement command that MCU1 controller sends, then continues to send solicited message, its
In, the distribution model in MCU1 controller isConstraints is xijIt is the value between label and controller, LijIt it is the distance between label and controller；
Step 2, if RFID label tag timing receives the acknowledgement command that MCU1 controller sends, it is judged that RFID label tag is successfully sent out
Send data times whether more than four times, if more than or equal to four times, enter memory matching process；If less than four times, enter first
Matching process.
Described first matching process comprises the following steps,
Step one, RFID label tag sends data message to MCU1 controller, and MCU1 sends feedback information after receiving information；
Step 2, RFID label tag judges whether to receive feedback information；If RFID label tag receives feedback letter within a certain period of time
Breath then represents that data are successfully transmitted, and continues to gather humidity data；If RFID label tag is within a certain period of time for receiving feedback information,
Represent the unsuccessful transmission of data, continue to attempt to send data.
Described memory matching process comprises the following steps,
Step one, RFID label tag sends data message to MCU1 controller；
Step 2, continues after being sent completely to gather humidity data.
Embodiment 2
As shown in Figure 2 to Figure 3, humidity induction device includes that substrate 1, the thickness of substrate 1 are 400 μm, and substrate 1 lower surface covers
Having substrate layer 7, substrate 1 upper surface to be provided with heater 2, heater 2 upper surface is provided with output layer 6, and output layer upper surface is covered with sense
Wet layer 3.Heater 2 is snakelike heater, and heater 2 includes three heating units, and be the most respectively linked in sequence heating
Unit one, heating unit two and heating unit three；One end of heating unit one and heating unit three is connected with electrode 5, the other end with
The two ends of heating unit two are connected；Heating unit one is arranged in the horizontal direction, heating unit one and heating unit three specular,
Heating unit two is arranged in a vertical direction, and heater 2 and electrode 5 use photoetching process and magnetron sputtering to prepare at substrate surface.
Distance between electrode 5 and heating unit is 1.5mm, the width l of heating unit one1Length l with heating unit two2Identical, add
Length v of hot cell one1, heating unit two width v2, the knot of heating unit one is away from d1With the knot of heating unit two away from d2Meet with
Lower formula:Heating unit three with heating unit one specular, its length, width, knot away from
All identical with heating unit one.The electrode being connected with heating unit three is positioned at the upper left side of heating unit one, with heating unit one
The electrode being connected is positioned at the lower right of heating unit three.Being provided with protecting film 8 between heater 2 and output layer 6, output layer 6 is in L
Type, the bottom of the vertical end face of output layer 6 is connected with protecting film 8, between the horizontal end face of output layer 6 and protecting film 9 between be separated with RFID
Label layer 8, output layer 6 is connected with some output ports 4.Humidity sensing layer 3 is L-shaped, and humidity sensing layer 3 is overlying on output layer 6 upper surface, humidity sensing layer
3 are only located at heating unit two surface.The thickness of heating unit two lower substrates 1 is less than below heating unit two and heating unit three
The thickness of substrate 1.
Heater 2 is made up of platinum, and substrate layer 7 is by nano-TiO2Thin film is made, and matrix 1 is made up of silane alkynes block resin, and silane alkynes is embedding
Section molecular resin formula is ABA, wherein。
Humidity sensing layer 3 is by graphene oxide/nanometer Al2O3/ polyimides is made, wherein, and m (graphene oxide): m (nanometer Al2O3): m
(polyimides)=1:2.1:3.Protecting film 8 is by Na2O-SiC-SiO2Gel is made, wherein, and n (Na+): n (C4+): n (Si4+)=
3:1:2.5.
Embodiment 3
Silane alkynes block resin is prepared by the following method:
In four-hole boiling flask, add magnesium powder (6g, 0.25mol), and oxolane (40ml), under nitrogen atmosphere, drip bromine second
Alkane (25.92g, 0.24mol), after causing successfully, is incubated (45 DEG C) 1h；Under ice-water bath dropping between diacetylene-benzene (15.12g,
0.12mol), 67 DEG C of backflow 1h, under ice-water bath, drip the many siloxanes of dichloro (0.08mol) wherein, reflux 2h, obtains big list
Body Grignard reagent P1.Magnesium powder (2.16g, 0.09mol) and oxolane (40ml) is added in four-hole boiling flask, under nitrogen atmosphere,
Dropping bromoethane (8.64g, 0.08mol), after causing successfully, is incubated (45 DEG C) 1h；Diacetylene-benzene between dropping under ice-water bath
(5.04g, 0.04mol), reflux 1h, drips dimethyldichlorosilane (7.74g, 0.06mol) under ice-water bath wherein, backflow
2h, obtains polymeric monomer chlorosilane P2。
By P2It is slowly dropped to P1Reaction system in.Drip off and be heated to reflux about 2h.Oxolane is evaporated off, and is cooled to room
Wen Hou, under ice-water bath cools down, adds glacial acetic acid (3g) and the mixed solution of toluene (100ml), drips 2% dilute hydrochloric acid solution
(72ml) until separatory.It is washed to neutrality, adds anhydrous sodium sulfate and be dried.Filtering, decompression steams solvent, obtains block copolymerization
Thing, productivity is about 91%.
Synthetic route is as follows:
Embodiment 4
Graphene oxide/nanometer Al2O3/ polyimides is prepared by the following method:
At ambient temperature, utilize ultrasonic cleaner by a certain proportion of nano-aluminum hydroxide and graphene oxide difference
It is scattered in oxolane, also polyimides is dissolved in oxolane simultaneously, form uniform solution；First by the four of Graphene
Hydrogen tetrahydrofuran solution joins in the tetrahydrofuran solution of nano aluminium oxide, ultrasonic Treatment 1h, then by the tetrahydrochysene of polyimides
Tetrahydrofuran solution joins in above-mentioned mixed liquor, and stirring is lower adds tetraethyl orthosilicate and dibutyl tin laurate, and stirring is the most ultrasonic
Process 1h, gained mixed solution is spun on interdigitated electrode structure, evaporation of solvent, cold curing molding, prepares oxygen
Functionalized graphene/receive Al2O3/ polyimides finely dispersed humidity sensing layer thin film.
Embodiment 5
Na2O-SiC-SiO2Gel (n (Na+): n (C4+): n (Si4+)=3:1:2.5) it is prepared by the following method:
With ethanol as solvent, tetraethyl orthosilicate is dissolved in ethanol, regulates pH=2 with the hydrochloric acid that concentration is 35%,
In solution, it is proportionally added into carborundum, at a temperature of 20 DEG C, stirs 1h, in solution, add dimethyldiethoxysilane,
Continue stirring under conditions of 20 DEG C, react 1h, the most backward addition Sodium ethylate, then under conditions of 20 DEG C, react 1h, stop stirring
Mix, place at room temperature ageing 5～7d, obtain Na2O-SiC-SiO2Gel protecting film.
Embodiment 6
When carrying out hot simulation analysis, ambient temperature is chosen for+10～-10 DEG C.When ambient temperature is 0 DEG C, humidity sensor
The maximum temperature on device surface is 22.3 DEG C, and the mean temperature of effective feeling wetted surface is 22 DEG C, and the gap between minimax temperature is
0.7℃；When ambient temperature is 10 DEG C, the maximum temperature on temperature sensor surface is 23.2 DEG C, the average temperature of effective feeling wetted surface
Degree is 23 degrees Celsius, and the gap between minimax temperature is 0.4 DEG C；When ambient temperature is-10 DEG C, temperature sensor surface
Maximum temperature be 20.7 DEG C, the mean temperature of effective feeling wetted surface is 20 DEG C, and the gap between minimax temperature is 1.6 DEG C.
Embodiment 7
Humidity sensor apparatus is additionally provided with segmented compensation unit, and segmented compensation unit includes that PSO-BP neutral net error is mended
Repay.
PSO-BP Neural Networks Error Compensation comprises the following steps,
Step one, sets the relevant parameter of PSO-BP neutral net, goes out ingress 2, output node 1, hidden node 5
Individual, maximum iteration time is 1500, target error 1 × 10-6, learning rate 0.01, population scale is 40, and inertia weight is 1, its
The total number of weight threshold that middle PSO algorithm needs optimize is: N=(m+1) × n+ (n+1) × t, m is input neuron number, n
For hidden neuron number, t is output layer neuron number, and speed and position to particle carry out random initializtion；
Step 2, according to functionCalculate network output and sample desired output Error Absolute Value
Sum, in formula, k is learning sample, and y is the actual output of network, and J is sample output；
Step 3, compares the fitness function value of each particle with individual extreme value, if fitness function value is little,
Then this fitness function value becomes new individual extreme value；And new individual extreme value is compared with overall situation optimal adaptation angle value,
If new individual extreme value is little, then as current colony's extreme value；
Step 4, according to formulaWith
The position of more new particle and speed, in formula, ω is inertia weight；K is current iteration number of times；V is the speed of ion, and X is particle
Position, c1And c2For Studying factors；
Step 5, it is judged that global optimum's fitness value is the most secondary more than greatest iteration less than specification error or iterations
Number, if the condition of being unsatisfactory for, returns step 3；If meeting condition, then the BP god that the global optimum's particle position exported is extremely optimum
Through network weight threshold value；
Step 6, according to the neutral net corresponding to the weight threshold produced, calculates the error sum of squares of BP network, root
According to formula f (Xi)=E (Xi)-1Calculate the relevance grade of each individuality, according to formulaMeter
Calculate the object function of network, in formulaFor the output valve of kth output node during input jth training sample；pjkFor desired
Output valve；N is training sample number；M is the neuron number of output layer, i=1,2 ..., L, L are population scale.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (10)
1. a humidity control system, it is characterised in that: including some humidity sensor unit that signal connects, MCU1 controls
Device, some emitters, main receptor, MCU2 controller and monitoring PC main frame；
Described humidity sensor unit, including the humidity sensor apparatus of built-in active RFID tag, described humidity sensor fills
Put collection humidity data, and value is stored in active RFID tag；
Described MCU1 controller, it is possible to the RFID label tag of specific objective is written and read, and data be out to be temporarily stored in single-chip microcomputer
In depositing；
Described emitter, it is possible to by radio frequency transmitter chip wirelessly transmitting data；
Described main receptor, it is possible to receive the wirelessly transmitting data that emitter is launched；
Described MCU2 controller, it is possible to control to transfer data to monitor in PC main frame by serial ports；
Described monitoring PC main frame, it is possible to data are shown, stores and computing.
2. a kind of humidity control system as claimed in claim 1, it is characterised in that: described MCU1 controller and RFID label tag
Communication process includes judge process, and described judge process connects first matching process and the memory matching process having parallel connection, described
Judge process following steps,
Step one, RFID label tag is waited for, and sends solicited message to MCU1 controller, it may be judged whether receive MCU1 control
The acknowledgement command that device sends, if not receiving the acknowledgement command that MCU1 controller sends, then continuation transmission solicited message, wherein,
Distribution model in MCU1 controller isConstraints is xijIt is the value between label and controller, LijIt it is the distance between label and controller；
Step 2, if RFID label tag timing receives the acknowledgement command that MCU1 controller sends, it is judged that RFID label tag is successfully transmitted number
According to number of times whether more than four times, if more than or equal to four times, enter memory matching process；If less than four times, enter first coupling
Process.
3. a kind of humidity control system as claimed in claim 2, it is characterised in that: described first matching process includes following step
Suddenly,
Step one, RFID label tag sends data message to MCU1 controller, and MCU1 sends feedback information after receiving information；
Step 2, RFID label tag judges whether to receive feedback information；If RFID label tag receives feedback information within a certain period of time,
Represent that data are successfully transmitted, continue to gather humidity data；If RFID label tag for receiving feedback information, represents within a certain period of time
The unsuccessful transmission of data, continues to attempt to send data.
4. as claimed in claim 2 or claim 3 a kind of humidity control system, it is characterised in that: described memory matching process include with
Lower step,
Step one, RFID label tag sends data message to MCU1 controller；
Step 2, continues after being sent completely to gather humidity data.
5. a kind of humidity control system as claimed in claim 4, it is characterised in that: described humidity sensor apparatus includes substrate
(1), described substrate (1) lower surface is covered with substrate layer (7), and described substrate (1) upper surface is provided with heater (2), described heater
(2) upper surface is provided with output layer (6), and described output layer upper surface is covered with humidity sensing layer (3), described heater (2) and output layer (6)
Between be provided with protecting film (8), described output layer (6) is L-shaped, the bottom of described output layer (6) vertically end face and protecting film (8) phase
Even, between described output layer (6) horizontal end face and protecting film (9) between be separated with RFID label tag layer (8), described output layer (6) is connected with
Some output ports (4).
6. a kind of humidity control system as claimed in claim 5, it is characterised in that: described heater (2) includes three heating
Unit, be the most respectively linked in sequence heating unit one, and described humidity sensing layer (3) is L-shaped, and described humidity sensing layer (3) is overlying on defeated
Going out layer (6) upper surface, described humidity sensing layer (3) is only located at heating unit two surface, the thickness of described heating unit two lower substrates (1)
Degree is less than heating unit two and the thickness of heating unit three lower substrates (1).
7. a kind of humidity control system as described in claim 5 or 6, it is characterised in that: described heater (2) is snakelike heating
Device, heating unit two and heating unit three；Described heating unit one is connected with electrode (5), the other end with one end of heating unit three
It is connected with the two ends of heating unit two；Described heating unit one is arranged in the horizontal direction, described heating unit one and heating unit
Three specular, described heating unit two is arranged in a vertical direction.
8. a kind of humidity control system as claimed in claim 7, it is characterised in that: described heater (2) is made up of platinum, described
Substrate layer (7) is by nano-TiO2Thin film is made, and described matrix (1) is made up of silane alkynes block resin, described silane alkynes block tree
Fat molecular formula is ABA, wherein
9. humidity sensor as claimed in claim 8 a kind of, it is characterised in that: described humidity sensing layer (3) is by graphene oxide/receive
Rice Al2O3/ polyimides is made.
10. a kind of humidity sensor as described in claim 5 or 6 or 7, it is characterised in that: described protecting film (8) is by Na2O-
SiC-SiO2Gel is made.
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