CN109739287A - A kind of monitoring unit and its implementation - Google Patents
A kind of monitoring unit and its implementation Download PDFInfo
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- CN109739287A CN109739287A CN201910174164.9A CN201910174164A CN109739287A CN 109739287 A CN109739287 A CN 109739287A CN 201910174164 A CN201910174164 A CN 201910174164A CN 109739287 A CN109739287 A CN 109739287A
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Abstract
The invention discloses a kind of monitoring unit and its implementation, Supervisory Unit includes: battery, there is the warm and humid acquisition module of indicator light, temperature sense switch, pressure switch module, the 4th to the 7th pipe；The output of pressure switch module connects with the grid of the 5th pipe；The grid of 4th pipe is connected with warm and humid acquisition module；The grid of 6th pipe connects with the drain electrode of the 4th pipe；The drain electrode of 5th pipe connects with the grid of the 7th pipe, inputs from its connecting lead wire to warm and humid acquisition module；Warm and humid acquisition module with peripheral hardware by being wirelessly connected；String is in battery and warm and humid acquisition module power path after temperature sense switch and the 6th, the 7th pipe switch in parallel；Method is, warm and humid acquisition module when being responsive to the interruption application that pressure switch module is issued through the 5th pipe output, turning over storehouse or putting grain or grain is stolen by identification, upload has output information to peripheral hardware, and identify the identification code of passback, if storehouse/put grain identification code is turned over, light indicator light.
Description
Technical field
The invention belongs to the technical field of silo safety, specifically relate in end in silo monitoring management system
A kind of monitoring unit and its implementation.
Background technique
It is well known that being easy to be influenced by temperature, humidity and other factors during foodstuff preservation, in fact it could happen that fever,
The problems such as mildew, insect pest are bred.In order to reduce the loss during foodstuff preservation, the quality and quality of grain, silo prison are ensured
The temperature of grain and the concrete condition of humidity are adopted in the silo that control management system is uploaded according to the monitoring of the sensing device of endpoint node
Take corresponding measure, cooled down, hydrofuge or turn over storehouse processing.Currently, silo monitoring management system: according to the sensing of endpoint node
The concrete condition of temperature and humidity that device uploads, need to cool down and/or when hydrofuge can accomplish to be automatically performed, but need to turn over storehouse when must
There must be artificial participation, when the staff for turning over storehouse lacks a sense of responsibility, may turn over less, or even do not turn over, now without automatic detection means
Storehouse quality is turned in supervision, except the non-at-scene administrative staff for having supervision to turn over storehouse quality.
It is well known that end is used for antitheft sensing device node, generally human body infrared in silo monitoring management system
Sensor and/or camera, once other people break through infrared sensor of the human body and camera defence line, it is possible to grain are stolen.
And it is well known that foodstuff preservation majority uses stacked, grain accumulating amount, which is reduced, and/or the grain of accumulation collapses can cause grain
Pressure change in storehouse.When pilferage, grain accumulating amount will be reduced, or even the grain of accumulation is caused to collapse.It is current: in the antitheft phase
Between, no silo monitoring management system endpoint node assist for the sensing device of pressure change in stacked silo antitheft.
It is well known that the warm and humid sensing device node in stacked silo is arranged in end in silo monitoring management system,
It is required that distribution is arranged in grain heap, and warm and humid sensing device inserting knot horizontal direction ranks spacing is not more than 5 meters in grain heap, hangs down
Histogram is not more than 3 meters to spacing, and warm and humid sensing device node has wireless (such as based on the warm and humid of ZigBee technology from communication mode point
Sensing device node) and two kinds of wired (the warm and humid sensing device node of such as inserted-link type).The warm and humid sensing device of wired mode
Node power supply is convenient, but inconvenience is arranged into grain heap；And it is convenient in the warm and humid sensing device node embedment grain heap of wireless mode,
But power supply must be powered with wireless and/or battery, and be powered without battery, if warm and humid can not monitor in real time when transfiniting, i.e., can not on
Reach silo monitoring management system.The warm and humid sensing device of wired mode can be accomplished not only to facilitate silo monitoring management system fixed
When inspection, also conveniently accomplish not during inspection, warm and humid transfinite can be uploaded to silo monitoring management system in real time, because of wired side
It is convenient that the warm and humid sensing device of formula is powered, therefore the warm and humid sensing device of wired mode can at every moment be accomplished to be in live line work
State, but the warm and humid sensing device node of wired mode is inconvenient to be set in stacked silo；The warm and humid sensing of wireless mode
Device node can be accomplished to facilitate silo monitoring management system timing inspection, and the warm and humid sensing device node of wireless mode is set to
The warm and humid sensing device node of stacked silo internal ratio wired mode is convenient, but silo monitoring management system is during inspection,
If warm and humid transfinite need to be uploaded to silo monitoring management system in real time, the warm and humid sensing device node of wireless mode must carry power supply
Battery, because the electricity of battery is limited, therefore in the state that energy conservation must be taken into consideration, silo monitoring management system is not in the inspection phase
Between, if warm and humid transfinite is uploaded to silo monitoring management system in real time, while need to consider the problems of conveniently to supplement electricity to battery.Through
It looks into and is solved there is presently no good scheme for being uploaded to the wireless parties of silo monitoring management system in real time with warm and humid transfinite
The power saving of the warm and humid sensing device of formula, and solve its battery capacity supplementary question, once because wireless mode it is warm and humid
Sensing device is embedded in stacked silo, and it is inconvenient to take out, and warm and humid sensing device is just facilitated to take out when turning over storehouse or putting grain.
Well-known: temperature is higher, and the safety moisture content of grain will decline, and is looked into and increases 5 DEG C when grain heap temperature is every, grain
Safe storage moisture mutually reduces by 1 percentage point.To be increased when temperature, original moisture content is also kept, grain will be accelerated to become
Matter.Therefore when temperature is increased to the limit, real-time prompting is particularly important.
Summary of the invention
The technical issues of purpose of the present invention and solution is to deposit raw defect for the above prior art, proposes a kind of monitoring
Unit and its implementation are realized: 1. having inspection and overtemperature Realtime Alerts；2. collection turn over storehouse, pilferage behavior occur when prompt and
Alarm；3. battery is full of, inspection excitation signal, overtemperature turns over storehouse, puts grain, steals battery ability powered operation when any feelings row occurs.
In order to achieve the above purpose, the technical scheme is that
A kind of monitoring unit is set to the sensor monitoring unit in grain heap for silo monitoring management system end, passes through nothing
Excitation/charging the source module in same storehouse is arranged in silo monitoring management system for line mode and information transmit-receive controlling terminal is connected；
It is characterized in that, monitoring unit include: rectification module, demodulating and decoding control module, battery charging module, warm and humid acquisition module,
Temperature sense switch, pressure switch module, low-frequency antenna, battery, the first field-effect tube, the second field-effect tube, third field-effect tube,
Four field-effect tube, the 5th field-effect tube, the 6th field-effect tube, the 7th field-effect tube；Low-frequency antenna wirelessly with silo
Interior excitation/charging source module is connected, and receives excitation/charging source signal that excitation/charging source module is sent；Low-frequency antenna point
It is not connected with the input of rectification module and demodulating and decoding control module；The output of rectification module controls mould with demodulating and decoding respectively
The power input of block is connected with the source electrode of third field-effect tube, the drain electrode of third field-effect tube and the input of battery charging module
It is connected, the grid of third field-effect tube is connected with the drain electrode of the second field-effect tube, the grid of the second field-effect tube and demodulation
One output of decoding control block is connected, and the source electrode of the second field-effect tube is connected with the cathode of battery；Battery charging module
Charging output and pressure switch module input access battery mutually and after connecing anode；One signal of battery charging module 300
Output is connected with the input of warm and humid acquisition module, the output of another signal and the demodulating and decoding control module of battery charging module
Input is connected；The grid of first field-effect tube is connected with another output of demodulating and decoding control module, the first field-effect tube
Source electrode be connected with the cathode of battery；The output of pressure switch module is connected with the grid of the 5th field-effect tube；5th
The source electrode of effect pipe is connected with the cathode of battery；The grid of 4th field-effect tube is connected with the output of warm and humid acquisition module,
The source electrode of 4th field-effect tube is connected with the cathode of battery；The source electrode of the source electrode of 6th field-effect tube, the 7th field-effect tube
And temperature sense switch one end it is connected with each other after be connected with the anode of battery, the drain electrode of the 6th field-effect tube, the 7th field-effect tube
Drain electrode and temperature sense switch the other end it is connected with each other after the warm and humid acquisition module of access power input, the grid of the 6th field-effect tube
Pole and the drain electrode of the first field-effect tube and the drain electrode of the 4th field-effect tube are connected with each other；The drain electrode of 5th field-effect tube with the 7th
The grid of effect pipe is connected, and interruption input and numeral input from lead on its connecting line to warm and humid acquisition module；It is warm and humid
Acquisition module is wirelessly connected with information transmit-receive controlling terminal；The power cathode of rectification module, battery charging module
Power cathode, warm and humid acquisition module power cathode and the power cathode of pressure switch module and the cathode of battery be connected.
Above-described pressure switch module includes: first pressure acquiring unit, second pressure acquiring unit, third pressure
Acquiring unit, resistance R2；The first pressure acquiring unit, second pressure acquiring unit and third pressure acquiring unit are mutual
After parallel connection, the anode of input access battery, output is respectively connected to one end of resistance R2 and the grid of the 5th field-effect tube；Resistance
The cathode of the other end battery of R2 is connected.
Above-described pressure acquiring unit includes: resistance R1, stress button AN, capacitor C, diode D；Capacitor C is just
One end phase of pole and resistance R1 simultaneously access input terminal after connecing, after the normally opened contact of the other end concatenation stress button of resistance R1 with electricity
The cathode for holding C is connected；It is connected after the normally-closed contact of the cathode concatenation stress button of capacitor C with the anode of diode D, two poles
The cathode of pipe D accesses output end.
Above-described first field-effect tube, the second field-effect tube, the 4th field-effect tube and the 5th field-effect tube are N ditch
The enhanced metal-oxide-semiconductor in road；Third field-effect tube, the 6th field-effect tube and the 7th field-effect tube is P-channel enhancement type MOS
Pipe.
Above-described warm and humid acquisition module includes warm and humid detection processing control unit, wireless transmit/receive units, temperature sensing
Device, humidity sensor, high frequency antenna, indicator light；The warm and humid detection processing control unit is sequentially connected in series wireless transmit/receive units, height
Connection wirelessly is established with information transmit-receive controlling terminal after frequency antenna；Warm and humid detection processing control unit input is connected to temperature
Sensor, humidity sensor, the 5th FET drain and battery charging module；Warm and humid detection processing control unit output is connected to
The grid and indicator light of 4th field-effect tube；The interruption of 5th FET drain Yu the warm and humid detection processing control unit
Input is connected with numeral input.
Above-described silo monitoring management system includes set on the silo management information system of monitoring center and set on every
The information transmit-receive controlling terminal and monitoring unit of a silo and excitation/charging source module, and corresponding cooling, dehumidifying and ventilation
Equipment；The information transmit-receive controlling terminal of each silo is connected by communication network with silo management information system, information transmit-receive
Controlling terminal is connected by controlling signal with cooling, dehumidifying and ventilation equipment, and monitoring unit is by high frequency wireless mode and together
The information transmit-receive controlling terminal in cabin is connected, and excitation/charging source module is received by way of wirelessly or non-wirelessly with the information with cabin
Hair controlling terminal is connected, and excitation/charging source module is connected by low-frequency wireless mode with the monitoring unit in same cabin.
Above-described capacitor is leakage tantalum capacitor or niobium capacitor.
Above-described stress button is two-way contact switch, and all the way to be normally opened, another way is normally closed.
In order to achieve the above purpose, of the invention another solution is that
A kind of implementation method of monitoring unit, comprising the following steps:
(1) stress button stress surface stress is set are as follows: when stress is more than or equal to 5 kilogram, normally opened contact closure, normally closed touching
Point disconnects；When stress is less than 5 kilogram, normally opened contact is disconnected, normally-closed contact closure；
(2) monitoring unit is set in Carrier box, and three pressure obtain the stress surface of the stress button in list respectively at concave
On the panel in three directions of the coaxial stress of Carrier box；
(3) it is arranged when being responsive to the interruption application that pressure switch module is issued through the output of the 5th field-effect tube, assert current
It is turning over storehouse or is putting that grain or grain are stolen, and uploading pressure switch module has output information to information transmit-receive controlling terminal, and information is received
It sends out controlling terminal and corresponding identification code is returned according to current setting:
1. light indicator light: warm and humid detection processing control unit passes through when the identification code of passback is to turn over storehouse/put grain identification code
Numeral input mouth reads the output of the 5th field-effect tube, set detected to continuous 3 times recognize the output of the 5th field-effect tube from
High level is to low level, and continuous 3 time, less than 10 seconds, extinguish the indicator light lighted: output low level is imitated to the 4th
Should pipe grid, and enter dormant state, until warm and humid acquisition module power loss,
2. exporting the grid of low level to the 4th field-effect tube, and enter and stop when the identification code of passback is anti-theft mark code
Dormancy state, until warm and humid acquisition module power loss.
The utility model has the advantages that
A kind of monitoring unit of the invention and its implementation, 1. have inspection and overtemperature Realtime Alerts；2. have turn over storehouse,
It prompts and alarms when pilferage behavior occurs；3. battery is full of, inspection excitation signal, overtemperature, pressure switch module generates excitation letter
Number any feelings row occur after battery ability powered operation, to be conducive to battery energy-saving；4. pressure switch module generates excitation letter
Number can not only be used for turning over the signal of storehouse behavior generation, and the signal of pilferage behavior generation can be made, thus real time monitoring turn over storehouse behavior and
Pilferage behavior；5. lighting indicator light after turning over storehouse and putting wholesale grain store to occur, monitoring unit is found in the process convenient for turning over storehouse and putting grain,
Again it sets and puts monitoring unit；It is not required to consider the problems of stress surface towards to realize blind put when 6. being put into grain heap.
Detailed description of the invention
Fig. 1 is a kind of functional block diagram of monitoring unit of the invention；
Fig. 2 is set to the sensor monitoring list in grain heap using a kind of monitoring unit of the present invention as silo monitoring management system end
Member, excitation/charging source module and information transmit-receive controlling terminal connection relationship diagram with same storehouse；
Fig. 3 is the principle connection schematic diagram of pressure acquiring unit in the present invention；
In figure: 100. rectification modules, 200. demodulating and decoding control modules, 300. battery charging modules, 400. warm and humid acquisitions
Module, 500. temperature sense switch, 700. pressure switch modules, 600. low-frequency antennas, E. battery, Q1, Q2, Q3, Q4, Q5, Q6, Q7.
First to the 7th field-effect tube, 410. warm and humid detection processing control units, 420. wireless transmit/receive units, 430. temperature sensors,
440. humidity sensors, 450. high frequency antennas, 460. indicator lights, AN. stress button, C. capacitor, R1, R2. resistance, A1, A2,
An. monitoring unit, n. are the quantity that monitoring unit in a silo grain heap is arranged in, 701,702,703. pressure acquiring units, D.
Diode.
Specific embodiment
As depicted in figs. 1 and 2, a kind of monitoring unit, the sensing prison being set to for silo monitoring management system end in grain heap
Unit is surveyed, the excitation/charging source module and information transmit-receive in same storehouse are wirelessly set with silo monitoring management system
Controlling terminal is connected；Monitoring unit include: rectification module 100, demodulating and decoding control module 200, battery charging module 300,
Warm and humid acquisition module 400, temperature sense switch 500, pressure switch module 700, low-frequency antenna 600, battery E, the first field-effect tube Q1,
Second field-effect tube Q2, third field-effect tube Q3, the 4th field-effect tube Q4, the 5th field-effect tube Q5, the 6th field-effect tube Q6,
Seven field-effect tube Q7；Low-frequency antenna 600 is wirelessly connected with the excitation in silo/charging source module, and reception excitation/
Excitation/charging source signal that the source module that charges is sent；Low-frequency antenna 600 controls mould with rectification module 100 and demodulating and decoding respectively
The input of block 200 is connected；Rectification module 100 output respectively with the power input and third of demodulating and decoding control module 200
The source electrode of field-effect tube Q3 is connected, and the drain electrode of third field-effect tube Q3 is connected with the input of battery charging module 300, third
The grid of field-effect tube Q3 is connected with the drain electrode of the second field-effect tube Q2, the grid of the second field-effect tube Q2 and demodulating and decoding control
One output of molding block 200 is connected, and the source electrode of the second field-effect tube Q2 is connected with the cathode of battery E；Battery charging module
300 charging exports the anode that the input with pressure switch module 700 mutually and after connecing accesses battery E；Battery charging module 300
The output of one signal is connected with the input of warm and humid acquisition module 400, and the output of another signal and the solution of battery charging module 300 are reconciled
The input of code control module 200 is connected；The grid of first field-effect tube Q1 and another output of demodulating and decoding control module 200
It is connected, the source electrode of the first field-effect tube Q1 is connected with the cathode of battery E；The output of pressure switch module 700 with the 5th
The grid of effect pipe Q5 is connected；The source electrode of 5th field-effect tube Q5 is connected with the cathode of battery E；4th field-effect tube Q4's
Grid is connected with the output of warm and humid acquisition module 400, and the source electrode of the 4th field-effect tube Q4 is connected with the cathode of battery E；
One end of the source electrode of 6th field-effect tube Q6, the source electrode of the 7th field-effect tube Q7 and temperature sense switch 500 rear and battery E connected with each other
Anode be connected, drain electrode, the drain electrode of the 7th field-effect tube Q7 and the other end phase of temperature sense switch 500 of the 6th field-effect tube Q6
Mutually and after connecing access the power input of warm and humid acquisition module 400, the grid of the 6th field-effect tube Q6 and the first field-effect tube Q1's
Drain electrode and the drain electrode of the 4th field-effect tube Q4 are connected with each other；The drain electrode of 5th field-effect tube Q5 and the grid of the 7th field-effect tube Q7
It is connected, and from lead on its connecting line to the interruption input of warm and humid acquisition module 400 and numeral input；Warm and humid acquisition module
400 are wirelessly connected with information transmit-receive controlling terminal；The power cathode of rectification module 100, battery charging module 300
Power cathode, warm and humid acquisition module 400 power cathode and pressure switch module 700 power cathode and battery E cathode
It is connected.
Above-described first field-effect tube Q1, the second field-effect tube Q2, the 4th field-effect tube Q4 and the 5th field-effect tube
Q5 is the enhanced metal-oxide-semiconductor of N-channel；Above-described third field-effect tube Q3, the 6th field-effect tube Q6 and the 7th field-effect tube
Q7 is P-channel enhancement type metal-oxide-semiconductor.
Above-described silo monitoring management system includes set on the silo management information system of monitoring center, set on each
The information transmit-receive controlling terminal and monitoring unit of silo and excitation/charging source module and corresponding cooling and dehumidifying and ventilation
Equipment；The information transmit-receive controlling terminal of each silo is connected by communication network with silo management information system, information transmit-receive
Controlling terminal is connected by controlling signal with cooling, dehumidifying and ventilation equipment, and monitoring unit is by high frequency wireless mode and together
The information transmit-receive controlling terminal in cabin is connected, and excitation/charging source module is received by way of wirelessly or non-wirelessly with the information with cabin
Hair controlling terminal is connected, and excitation/charging source module is connected by low-frequency wireless mode with the monitoring unit in same cabin.
During grain heap collection, staff from bottom up on vertical 1.5 meters of thickness, every layer with the spacing less than 5 meters
Place monitoring unit, for monitor save during variation of the warm and humid and grain heap to its pressure in grain heap, supervisory systems, which passes through, to be set
Determine function, differentiates what behavior is grain heap be caused by the variation of monitoring unit pressure: when the function of the period is set as turning over
Storehouse then monitors the variation to monitoring unit pressure in the period, regard as turning over storehouse, supervisory systems is by being arranged in grain
The monitoring unit quantity that pressure change is monitored in heap calculates its ratio for accounting for all monitoring unit total amounts being arranged in grain heap
Rate turns over storehouse quality for differentiating, ratio is higher, and it is better that storehouse quality is turned in identification, otherwise on the contrary, can also use in the unit time
It monitors the monitoring unit quantity of pressure change, turns over storehouse efficiency to judge；When the function of the period is set as putting grain, then this when
Between variation to monitoring unit pressure is monitored in section, regard as putting grain, available units monitoring in time to pressure change
Monitoring unit quantity, put food speed to judge；When the function of the period is set as antitheft, then monitored in the period pair
The variation of monitoring unit pressure has been regarded as just stealing in people, and supervisory systems monitors pressure change by setting in grain heap
Monitoring unit quantity, calculate its ratio for accounting for all monitoring unit total amounts being arranged in grain heap, assert pilferage amount, and according to
Pilferage amount carries out classifying alarm, and pilferage amount is bigger, and the top level that setting increases the number of alarm and successively alarms upwards is higher,
Otherwise it is opposite.
Monitoring unit is installed in Carrier box, and it is single that monitoring grain heap is set to monitoring at concave to the stress surface of the variation of its pressure
On the panel of first Carrier box, i.e. the panel of the recessed Carrier box of stress surface, to be conducive to the transport in monitoring unit, off-duty storage
It does not influence triggering battery E power supply circuit vulnerable to external pressure in the process to be powered, to improve battery E service life.When being installed on
Monitoring unit in Carrier box when stress surface is arranged in a panel of Carrier box, when monitoring unit is put into grain heap, must only pay attention to
It is disposed at the stress surface direction for the variation for monitoring pressure on carrying box panel or is put into grain heap downward.The present invention is preferred:
The stress surface of a recessed carrying box panel is respectively arranged in the coaxial Impact direction of its Carrier box, i.e., is arranged in Carrier box upper and lower panel
One, front and back panel is arranged one, and left and right panel is arranged one, and is put into the monitoring unit in grain heap, monitors one of them
Stress surface has the variation of pressure, is considered as grain in silo and is turning over storehouse or putting grain or pilferage.To be conducive to monitoring unit
It is blind to be put in grain heap, that is, it not consider stress surface monitoring less than grain heap pressure change problem when being put into.
Above-described pressure switch module 700 includes: first pressure acquiring unit 701, second pressure acquiring unit
702, third pressure acquiring unit 703, resistance R2；The first pressure acquiring unit 701, second pressure acquiring unit 702
And after third pressure acquiring unit 703 is parallel with one another, the anode of input IN access battery E, output OUT is respectively connected to resistance R2
One end and the 5th field-effect tube Q5 grid；The cathode of the other end battery E of resistance R2 is connected.
As shown in figure 3, above-described first pressure acquiring unit 701 and second pressure acquiring unit 702 and third pressure
Power acquiring unit 703 by: resistance R1, stress button AN, capacitor C, diode D are constituted；The anode of capacitor C and the one of resistance R1
It holds phase and accesses input terminal IN after connecing, the cathode after the normally opened contact of the other end concatenation stress button AN of resistance R1 with capacitor C
It is connected；It is connected after the normally-closed contact of the cathode concatenation stress button AN of capacitor C with the anode (anode) of diode D, two poles
The cathode (cathode) of pipe D accesses output end OUT.
Above-described stress button AN is two-way contact switch, and all the way to be normally opened, another way is normally closed, and stress is arranged
Button AN stress surface stress are as follows: when stress is more than or equal to 5 kilogram, normally opened contact closure all the way, normally closed contact all the way is broken
It opens；When stress is less than 5 kilogram, normally opened contact all the way disconnects (maintaining a normally open), and normally closed contact closure all the way (keeps normal
It closes).I.e. when the stress surface stress of stress button AN be more than or equal to 5 kilogram when, normally opened contact closure all the way, it is normally closed all the way
Contact disconnects, and when the stress surface stress of stress button AN is less than 5 kilogram, normally opened contact all the way reverts to disconnection, normally closed
Contact all the way revert to connection (closure).
Monitoring unit is installed in Carrier box, first pressure acquiring unit 701 and second pressure acquiring unit 702 and third
The stress surface of stress button AN in pressure acquiring unit 703 is set on the panel of its Carrier box, i.e. stress button AN at concave
The recessed Carrier box of stress surface panel, thus be conducive to monitoring unit transport, off-duty storage during not vulnerable to outside press
Power influences triggering battery E power supply circuit and is powered, and improves battery E service life.And first pressure acquiring unit 701 and second pressure
The stress surface of three stress button AN is separately positioned on its Carrier box in acquiring unit 702 and third pressure acquiring unit 703
On the panel in three directions of coaxial stress, i.e., Carrier box upper and lower panel is arranged one, and front and back panel is arranged one, left and right panel
Setting one.If by the stress surface of stress button AN in first pressure acquiring unit 701 be set to the upper surface of Carrier box plate or under
On panel, the stress surface of stress button AN is set on the front panel or rear panel of Carrier box in second pressure acquiring unit 702, then
The stress surface of stress button AN is set in left panel or the right panel of Carrier box in third pressure acquiring unit 703.
The few capacitor of above-described capacitor C selection electric leakage, such as tantalum capacitor, niobium capacitor.
The first pressure acquiring unit 701 and second pressure acquiring unit 702 and third pressure of pressure switch module 700 obtain
Unit 703 is taken to export in parallel, and pressure acquiring unit output is connected to the diode D of isolation, makes to export between each other
It is unaffected, to realize and in three pressure acquiring units connecing, when one of them has output as long as have output, to three
A pressure acquiring unit is without ability when exporting without output.
In each pressure acquiring unit, by battery E successively after capacitor C, the normally-closed contact of stress button AN, diode D
Charge circuit is formed with resistance R2, the disconnection and connection for the charge circuit that each pressure acquiring unit and resistance R2 are formed are by its string
The normally-closed contact of the stress button AN connect controls, and the normally-closed contact of stress button AN disconnects, the capacitor C and resistance R2 being controlled by it
The charge circuit of formation disconnects, and the normally opened contact of stress button AN is connected, and the capacitor C being controlled by it is discharged by resistance R1.It protects
In the case where demonstrate,proving safety, resistance R1 is small as far as possible, when ensuring that the stress surface stress of stress button AN is more than or equal to 5 kilogram, i.e.,
After the normally opened contact of stress button AN is connected, capacitor C is discharged with the shorter time.Take three pressure acquiring unit parallel connections and electricity
After hindering R2 connection, the decompression on resistance R2 is the output signal of pressure switch module 700, leads to the grid of the 5th field-effect tube Q5
Pole.The normally-closed contact of stress button AN disconnects in three pressure acquiring units, and the decompression on resistance R2 is zero, and three pressure obtain
The normally-closed contact of stress button AN in unit is taken to be in connection, the capacitor C respectively controlled is each filled with, and the decompression on resistance R2 is
It is zero.The normally-closed contact number of ports of stress button AN is more in three pressure acquiring units, and the decompression on resistance R2 is greater than zero
Time is longer, otherwise opposite.
Battery E is formed in the charging process of charge circuit through capacitor C, the normally-closed contact of stress button AN and resistance R2, drop
Voltage on resistance R2 is gradually reduced from battery E voltage is equal to, is full of to capacitor C or corresponding with the charging of capacitor C
When the normally-closed contact of stress button AN disconnects, the decompression on resistance R2 is zero.The requirement that capacitor C and resistance R2 size are selected
It is: in three pressure acquiring units in the charging process of only one connection of the normally-closed contact of stress button AN, from resistance R2
What is obtained is more than or equal to the 5th field-effect tube Q5 cut-in voltage UGS(th)Control voltage, it is logical that warm and humid acquisition module 400 must be remained to
The 4th field-effect tube Q4 of electric control enters after on state from cut-off.
The conducting and cut-off of 5th field-effect tube Q5 is exported by pressure switch module 700 to be controlled, and pressure switch module 700 is defeated
It is more than or equal to the 5th field-effect tube Q5 cut-in voltage U outGS(th), the 5th field-effect tube Q5 conducting, otherwise the 5th field-effect tube Q5 is cut
Only；The conducting and cut-off of 7th field-effect tube Q7 is exported by the 5th field-effect tube Q5 to be controlled, the 5th field-effect tube Q5 conducting, and the 7th
Field-effect tube Q7 conducting；5th field-effect tube Q5 cut-off, the 7th field-effect tube Q7 cut-off.
The switch of 6th field-effect tube Q6, the 7th field-effect tube Q7 and temperature sense switch 500 is with parallel way: control battery E
To the power input access of warm and humid acquisition module 400.
Above-described excitation/charging source module be used for monitoring unit generate excitation and charging signal, contain by
The excitation signal program module and charging signals program module that the control of information transmit-receive controlling terminal is sent.Excitation/charging source module
Wirelessly it is connected with low-frequency antenna 600 in monitoring unit.Excitation/charging source module and with information transmit-receive controlling terminal
It is connected, excitation/charging source module signals to be controlled by information transmit-receive controlling terminal.When the output of information transmit-receive controlling terminal is patrolled
For prosecution information to excitation/charging source module, excitation/charging source module receives inspection control information, executes excitation signal journey
Sequence module issues excitation signal, encodes in the excitation signal issued containing excitation, and monitoring unit in the same silo is arranged
Middle excitation coding is consistent；When information transmit-receive controlling terminal output stopping inspection control information to excitation/charging source module, excite/
Charging source module, which receives, stops inspection control information, stops executing excitation signal program module, excitation/charging source end-of-module
Excitation signal issues.When information transmit-receive controlling terminal exports charge control information to excitation/charging source module, excitation/charging source
Module receives charge control information, executes charging signals program module, issues charging signals, contains in the charging signals issued
There is charging to encode, it is consistent that charging coding in monitoring unit is equally set in the same silo；When information transmit-receive controlling terminal exports
Stop charge control information to excitation/charging source module, excitation/charging source module, which receives, stops charge control information, stops
Charging signals program module is executed, excitation/charging source end-of-module charging signals issue.
The information transmit-receive controlling terminal is intermediate node, for specifically connecing to monitoring unit inspection in silo and in real time
It receives, and excitation/charging source module output signal is controlled, information transmit-receive controlling terminal is single by high frequency wireless mode and monitoring
Warm and humid acquisition module 400 is connected in member, and information transmit-receive controlling terminal passes through the silo agrment information system of network and monitoring center
System is connected, and is connected by wired or wireless with excitation/charging source module, controls signal extremely accordingly according to requiring to export
Excitation/charging source module；And information transmit-receive controlling terminal be also connected with to temperature adjustment, hydrofuge, ventilation equipment control signal, and
It is connected with infrared, camera shooting anti-theft end equipment.
When information transmit-receive controlling terminal requires to export inspection to monitoring unit inspection and control information to excitation/charging source mould
Block, information transmit-receive controlling terminal communicate to connect until establishing with 3 or more monitoring units in the silo of place, then export stopping inspection
Information is controlled to excitation/charging source module, and transmits the inspection information flag monitoring unit all into grain heap.
When information transmit-receive controlling terminal require in monitoring unit battery E supplement electricity, output charge control information to swash
Hair/charging source module, information transmit-receive controlling terminal is waiting to receive monitoring unit sending battery all in the silo of place full of letter
Number, output stops charge control information to excitation/charging source module.
When needing inspection in charging process, information transmit-receive controlling terminal exports immediately stops charge control information to exciting/fill
Power module and then exports inspection and controls information to excitation/charging source module.
600 pairs of excitations of the low-frequency antenna/charging source module signals to receive, and send the power supply of rectification module 100 defeated
Enter the signal input part at end and demodulating and decoding control module 200, the rectification module 100 is whole to the connect signal of low-frequency antenna 600
Pressure stabilizing output services voltage is flowed to the power input of demodulating and decoding control module 200 and the source of third field-effect tube Q3.
The demodulating and decoding control module 200 demodulates and decodes the connect signal of low-frequency antenna 600, and demodulating and decoding controls mould
Block 200 simultaneously has excitation coding and charging coding, and demodulating and decoding control module 200 compiles the coding solved with the excitation stored
Code and charging coding compare: when to excite coding, exporting high potential (more than or equal to the cut-in voltage of the first field-effect tube Q1
UGS(th)) to the grid of the first field-effect tube Q1, low potential is exported (less than the cut-in voltage U of the second field-effect tube Q2GS(th)) extremely
The grid of second field-effect tube Q2, the first field-effect tube Q1 conducting, the second field-effect tube Q2 cut-off；When being encoded for charging, output
Low potential is (less than the cut-in voltage U of the first field-effect tube Q1GS(th)) to the grid of the first field-effect tube Q1, it is (big to export high potential
In the cut-in voltage U for being equal to the second field-effect tube Q2GS(th)) to the grid of the second field-effect tube Q2, the first field-effect tube Q1 is cut
Only, the second field-effect tube Q2 is connected.Demodulating and decoding control module 200 does not receive its excitation coding and charging encoded signal, output
For low potential to the grid of the first field-effect tube Q1 and the second field-effect tube Q2, the first field-effect tube Q1 and the second field-effect tube Q2 are equal
Cut-off.
Demodulating and decoding control module 200 is controlling third field-effect tube Q3 conducting by the second field-effect tube Q2, rectifies mould
During the output of block 100 send battery charging module 300 to charge battery E through third field-effect tube Q3, demodulating and decoding control module
Whether the battery that 200 response battery charging modules 300 input is full of signal, and demodulating and decoding control module 200 is waiting to receive battery
The battery that charging module 300 inputs is full of signal, and demodulating and decoding control module 200 exports high potential to the first field-effect tube Q1's
Grid, the grid of output low potential to the second field-effect tube Q2, the first field-effect tube Q1 conducting, the second field-effect tube Q2 cut-off,
Demodulating and decoding control module 200 suspends corresponding charging signals, is delayed 3 seconds and exports the grid of low potential to the first field-effect tube Q1,
So that the first field-effect tube Q1 is entered cut-off, or be not delayed, decoding control block 200 to be demodulated terminates without working power, i.e. battery E
After being full of, demodulating and decoding control module 200 receives charging signals, still maintains output low potential to the second field-effect tube Q2's
Grid, and keep exporting constant to the control voltage of the grid of the first field-effect tube Q1.
200 unpowered of decoding control block to be demodulated, output to the first field-effect tube Q1 and the second field-effect tube Q2 grid
Voltage be zero, the first field-effect tube Q1 and the second field-effect tube Q2 cut-off, pause function disappears automatically.
During demodulating and decoding control module 200 suspends corresponding charging signals, demodulating and decoding control module 200 does not lose work electricity
Source, in the case of, it is waiting receive excitation coding after, release pause charge function, i.e., it is waiting receive excitation coding after, demodulating and decoding control
200 next time of molding block and corresponding charging signals.
Second field-effect tube Q2 cut-off, third field-effect tube Q3 cut-off；Second field-effect tube Q2 conducting, third field-effect tube
Q3 conducting.
The output of third field-effect tube Q3 cut-off, rectification module 100 cannot be charged through third field-effect tube Q3 by battery
Module 300 charges to battery E, i.e. third field-effect tube Q3 cut-off, the voltage that rectification module 100 exports stops through third field-effect
Pipe Q3 charges to battery E by battery charging module 300.Third field-effect tube Q3 conducting, the voltage warp that rectification module 100 exports
Third field-effect tube Q3 charges to battery E by battery charging module 300.
Battery charging module 300 includes whether to be full of observation circuit to battery E charging circuit and battery E.Battery charging
The charging output of module 300 is connected with the anode of battery E, and whether battery E is full of the output and demodulating and decoding control of observation circuit
The input of molding block 200 is connected with the input of warm and humid acquisition module 400.
When any field-effect tube is connected in the first field-effect tube Q1 and the 4th field-effect tube Q4, the 6th field-effect tube is added to
Voltage U is controlled between Q6 grid sourceGSLess than or equal to its cut-in voltage UGS(th), the 6th field-effect tube Q6 conducting.
When the first field-effect tube Q1 and the 4th field-effect tube Q4 are turned off, add between the 6th field-effect tube Q6 grid source and control
Voltage UGSGreater than its cut-in voltage UGS(th), the 6th field-effect tube Q6 cut-off.
The temperature sense switch 500 is used to open battery E power supply when overtemperature, realizes overtemperature Realtime Alerts.
The temperature sense switch 500 is passive physical contact switch, and contact is open type, it may be assumed that setting temperature sense switch 500 is felt
When should arrive temperature less than its set temperature, the contact of temperature sense switch 500, which is in, to be disconnected, normal operating conditions；Temperature sense switch 500 is felt
When should arrive temperature more than or equal to its set temperature, (closure) is connected in the contact of temperature sense switch 500, the temperature sense switch 500 after closure
Temperature to be sensed is less than its set temperature, and the contact of temperature sense switch 500 reverts to normal operating conditions, that is, disconnects.
Temperature requires to be maintained at 30 DEG C hereinafter, then the present invention uses setting for temperature sense switch 500 throughout the year in general silo grain heap
Determine temperature are as follows: 30 DEG C add 5 DEG C, i.e., when temperature sense switch 500 senses that temperature is more than or equal to 35 DEG C, battery E is through temperature sense switch
The 500 warm and humid acquisition modules 400 of access, warm and humid acquisition module 400 are powered on.
The warm and humid acquisition module 400, for it is specific it is warm and humid, antitheft, turn over storehouse, put the acquisitions such as grain, battery E electricity and read
And accordingly controlled up to information transmit-receive controlling terminal comprising warm and humid detection processing control unit 410, wireless transmit/receive units
420, temperature sensor 430, humidity sensor 440, high frequency antenna 450, indicator light 460；The warm and humid detection processing control is single
Member 410, which is sequentially connected in series after wireless transmit/receive units 420, high frequency antenna 450 wirelessly to establish with information transmit-receive controlling terminal, to be connected
It connects；The warm and humid input of detection processing control unit 410 is connected to temperature sensor 430, humidity sensor 440, the 5th field-effect tube Q5
Drain electrode and battery charging module 300；Warm and humid detection processing control unit 410 exports the grid for being connected to the 4th field-effect tube Q4 and refers to
Show lamp 460；The interruption input and numeral input of 5th field-effect tube the Q5 drain electrode and warm and humid detection processing control unit 410
It is connected, and sets warm and humid 410 low level of detection processing control unit and respond the 5th field-effect tube Q5 output and interrupt and apply.It is described
Warm and humid detection processing control unit 410 be carry out information processing control unit, processing is acquired to corresponding input signal
And upload, and should be controlled according to processing result by output phase, warm and humid detection processing control unit 410 include: central processing unit,
Input/output interface, the eeprom memory being adapted with input/output circuitry, and be equipped with corresponding ID and encode, and insertion
The program module that corresponding detection identification controls program module and communicates with information transmit-receive controlling terminal, the also response of insertion low level
The interrupt service routine module of 5th field-effect tube Q5 output；Electric voltage observation circuit also containing battery E.
When the output of pressure switch module 700 is greater than no-voltage, illustrate the normally-closed contact of three stress button AN at least
One in connecting, that is, illustrates at least one stress of the stress surface of three stress button AN less than 5 kilograms, and at normally-closed contact
The required time is full of in the capacitor C that is less than of turn-on time, it may also be said to which normally-closed contact connects the time maintained less than capacitor C
Full of the required time.When pressure switch module 700 output voltage closer to the end voltage of battery E, illustrate normally closed touching
It is just to have occurred that point, which is connected, and the voltage value that pressure switch module 700 exports is smaller, illustrates that normally-closed contact is connected and remains current
Time it is longer.When the output of pressure switch module 700 is equal to no-voltage, illustrate that the normally-closed contact of three stress button AN is equal
It is connected in disconnection or normally-closed contact and the current time is maintained to be greater than capacitor C full of the required time, i.e., when pressure is opened
When closing the output of module 700 equal to no-voltage, illustrate that the stress surface stress of the stress button AN of the monitoring unit in grain heap is greater than
Equal to 5 kilograms or/and illustrate that normally-closed contact is connected and maintains the current time remote.
It is usually the quiet state in place, and the time in static shape is far longer than it due to the monitoring unit being set in grain heap
The time full of needs of capacitor C, therefore monitoring unit is usually the quiet state in place in grain heap, regardless of the stress of its stress button AN
How is face stress size, when the output of pressure switch module 700 is equal to no-voltage.
Therefore the present invention, when set into grain heap into monitoring unit, upper layer must guarantee that the stress surface stress of its stress button AN is greater than
Equal to 5 kilograms.
Due to turn over storehouse and put grain and it is antitheft should be the current behavior of real-time capture, therefore interrupt service routine module of the present invention ring
During answering the 5th field-effect tube Q5 to export, it is set as low level response and interrupts, when the 5th field-effect tube Q5 of interrupt response is defeated
Out, then assert and currently turning over storehouse or to put grain or grain stolen；It is not responding to the 5th field-effect tube Q5 output, identification currently neither exists
It turns over storehouse and puts grain, grain is also without stolen.
In warm and humid acquisition module 400 at warm and humid 410 energization of detection processing control unit after beginningization, high level is exported extremely immediately
The grid of 4th field-effect tube Q4, the 4th field-effect tube Q4 conducting, so that the 6th field-effect tube Q6 be made to be connected/be held on；To
It exports to issue to the 5th field-effect tube Q5 and interrupts application, licenced pressure switch module 700 has output information, illustrates currently turning over
Storehouse puts that grain or grain are stolen, the interruption application of shielding the 5th field-effect tube Q5 output, and takes over and close to the 4th field-effect tube Q4
Disconnected control, uploading pressure switch module 700 has output information to information transmit-receive controlling terminal, and otherwise, identification had not both been turned over currently
Storehouse is not also stolen with grain, grain is put.
While responding the 5th field-effect tube Q5 output sending interruption application, shields warm and humid detection and battery is full of and identifies,
Until warm and humid 400 power loss of acquisition module.
Indicator light 460 for recognizing and just turning over storehouse in this position or put grain during turning over storehouse and putting grain, light by flashing, thus
It conveniently turns over storehouse and puts grain and find corresponding monitoring unit in the process.
The information transmit-receive controlling terminal, which is embedded with, turns over storehouse quality evaluation program module and according to pilferage amount classifying alarm
Program module.It is set as turning over storehouse when the period, execution turns over storehouse quality evaluation program module, is set as antitheft when the period, executes
According to pilferage amount classifying alarm program module.
There is output when warm and humid detection processing control unit 410 uploads pressure switch module 700 to information transmit-receive controlling terminal
After information, warm and humid 410 outstanding message of detection processing control unit transmitting-receiving controlling terminal is to the response message for having output information, when this
Period is set as turning over storehouse or puts grain, either turns over storehouse or puts grain, and it is single to corresponding monitoring that unified feedback turns over storehouse/put grain identification code
Warm and humid detection processing control unit 410 in member, and if to turn over the storehouse period, carry out turning over storehouse Quality estimation；It is set when the period
It is antitheft, feedback anti-theft mark code warm and humid detection processing control unit 410 into corresponding monitoring unit, and has carried out stealing report
Alert prompt；If the grain period is put, any evaluation is not done.
It is to turn over storehouse/put grain identification code that warm and humid detection processing control unit 410, which recognizes feedback, warm and humid detection processing control
Unit 410 lights indicator light 460.After warm and humid detection processing control unit 410 lights indicator light 460, warm and humid detection processing control
Unit 410 reads the output of the 5th field-effect tube Q5 by numeral input mouth, and setting recognizes the 5th effect to continuous 3 times detections
Should pipe Q5 output from high level to low level, and continuous 3 time less than 10 seconds, then warm and humid detection processing control unit
410 extinguish the indicator light 460 lighted, and otherwise, indicator light are kept to light 460；After extinguishing the indicator light 460 lighted, low electricity is exported
It puts down to the grid of the 4th field-effect tube Q4, and enters dormant state, until warm and humid 400 power loss of acquisition module.
It is anti-theft mark code that warm and humid detection processing control unit 410, which recognizes feedback, output low level to the 4th effect
Should pipe Q4 grid, and enter dormant state, until warm and humid 400 power loss of acquisition module.
When information transmit-receive controlling terminal its setting turn over the storehouse period, then carry out turning over storehouse Quality estimation: to the period
The monitoring unit that output information is transmitted through in interior grain heap is added up, and calculates it to account in grain heap set monitoring unit total
The ratio of amount, and by the ratio set are as follows: there is total accounting rate of output information, and sets using the total accounting rate for having output information
As the deliberated index for turning over storehouse quality, there is total accounting rate of output information higher, it is better that storehouse quality is turned in identification, otherwise on the contrary.
Present invention setting: when having total accounting rate of output information to reach more than or equal to 95%, it is outstanding that storehouse quality is turned in identification；There is output to believe
Total accounting rate of breath reaches more than or equal to 85%, and less than 95%, identification turns over storehouse quality as qualification；There is total accounting rate of output information
It is not achieved 85%, it is unqualified that storehouse quality is turned in identification.
When information transmit-receive controlling terminal is in the antitheft period of its setting, then carrying out alarming is classified judgement: when setting regulation
Between length, the monitoring unit that output information is transmitted through in stipulated time length is added up, and calculate it and account for institute in grain heap
The ratio of the monitoring unit total amount of setting, and by the ratio set are as follows: there is point accounting rate of output information, and sets defeated using having
The deliberated index for dividing accounting rate to be classified as alarm of information out, has point accounting rate of output information higher, recognizes in the short time
The top level stealing the number for seriously increasing alarm in the fixed time and successively alarming upwards is higher, otherwise opposite.Citing:
As assumed: lowest level is specific works personnel, and intermediate level is specific management level, and highest level is local government and this area
Citizen；It is 4 hours that stipulated time length, which is arranged, in the present invention, setting: having a point accounting rate for output information to be not achieved 1% and (and is greater than
0) it, only alarms to the specific works personnel of lowest level, and 2 times a day, until antitheft releasing；There is point accounting rate of output information
Reach and be more than or equal to 1%, less than 5%, then while alarm to lowest level specific works personnel, and to the specific of intermediate level
Management level alarm, the number of alarm, which increases, to be arrived 4 times a day, until antitheft releasing；Have a point accounting rate for output information reach greater than etc.
In 5%, except in addition to lowest level specific works personnel and the specific management level of intermediate level, also to the local government of highest level and
This area citizen alarm, the number of alarm, which increases, to be arrived 6 times a day, until antitheft releasing.Alarm can pass through mobile phone, TV, network etc.
Terminal is presented.
In monitoring unit after warm and humid the 4th field-effect tube Q4 of 400 power control of acquisition module conducting, wait respond the 5th effect
Should pipe Q5 output interruption application, then take over the control that turn off to the 4th field-effect tube Q4, control is whole by information transmit-receive control
What end returned turn over storehouse/put grain identification code and anti-theft mark code determines, otherwise, is determined by former function.The decision of former function is: to complete
After identifying full of label detection at temperature, humidity and battery E and upload task, the grid of output low level to the 4th field-effect tube Q4
Pole；After exporting low level to the grid of the 4th field-effect tube Q4, if the not power loss of warm and humid acquisition module 400, continues temperature
With Humidity Detection and upload, until warm and humid 400 power loss of acquisition module.
Information transmit-receive controlling terminal based on the received warm and humid information carry out processing and according to result carry out corresponding cooling and
Hydrofuge control.
Monitoring unit, which is distributed into grain heap process, is: being up put into prison the bottom of from during grain heap collection with vertical 1.5 meters of thickness
Unit is controlled, and is placed on every layer with the spacing less than 5 meters, and the monitoring unit corresponding ID for being specifically put into setting level is numbered
Typing silo management system.
Claims (9)
1. a kind of monitoring unit is set to the sensor monitoring unit in grain heap for silo monitoring management system end, by wireless
Excitation/charging the source module in same storehouse is arranged in silo monitoring management system for mode and information transmit-receive controlling terminal is connected；Its
It is characterized in that, monitoring unit includes: rectification module, demodulating and decoding control module, battery charging module, warm and humid acquisition module, temperature
Feel switch, pressure switch module, low-frequency antenna, battery, the first field-effect tube, the second field-effect tube, third field-effect tube, the 4th
Field-effect tube, the 5th field-effect tube, the 6th field-effect tube, the 7th field-effect tube；Low-frequency antenna is wirelessly and in silo
Excitation/charging source module be connected, receive excitation/charging source signal that excitation/charging source module is sent；Low-frequency antenna difference
It is connected with the input of rectification module and demodulating and decoding control module；The output of rectification module respectively with demodulating and decoding control module
Power input be connected with the source electrode of third field-effect tube, the drain electrode and the input phase of battery charging module of third field-effect tube
Connection, the grid of third field-effect tube are connected with the drain electrode of the second field-effect tube, and the grid and solution of the second field-effect tube are reconciled
One output of code control module is connected, and the source electrode of the second field-effect tube is connected with the cathode of battery；Battery charging module
Charging exports the anode that the input with pressure switch module mutually and after connecing accesses battery；One signal of battery charging module 300 is defeated
It is connected out with the input of warm and humid acquisition module, another signal of battery charging module exports defeated with demodulating and decoding control module
Enter to be connected；The grid of first field-effect tube is connected with another output of demodulating and decoding control module, the first field-effect tube
Source electrode is connected with the cathode of battery；The output of pressure switch module is connected with the grid of the 5th field-effect tube；5th effect
Should the source electrode of pipe be connected with the cathode of battery；The grid of 4th field-effect tube is connected with the output of warm and humid acquisition module, the
The source electrode of four field-effect tube is connected with the cathode of battery；The source electrode of 6th field-effect tube, the source electrode of the 7th field-effect tube and
Is connected with the anode of battery after one end of temperature sense switch is connected with each other, the drain electrode of the 6th field-effect tube, the 7th field-effect tube
The power input of the warm and humid acquisition module of access, the grid of the 6th field-effect tube after the other end of drain electrode and temperature sense switch is connected with each other
The drain electrode of drain electrode and the 4th field-effect tube with the first field-effect tube is connected with each other；The drain electrode of 5th field-effect tube and the 7th effect
Should the grid of pipe be connected, and interruption input and numeral input from lead on its connecting line to warm and humid acquisition module；It is warm and humid to adopt
Collection module is wirelessly connected with information transmit-receive controlling terminal；The power cathode of rectification module, battery charging module
The power cathode of power cathode, the power cathode of warm and humid acquisition module and pressure switch module is connected with the cathode of battery.
2. a kind of monitoring unit according to claim 1, which is characterized in that the pressure switch module includes: first
Pressure acquiring unit, second pressure acquiring unit, third pressure acquiring unit, resistance R2；The first pressure acquiring unit,
After second pressure acquiring unit and third pressure acquiring unit are parallel with one another, the anode of input access battery, output connects respectively
Enter one end of resistance R2 and the grid of the 5th field-effect tube；The cathode of the other end battery of resistance R2 is connected.
3. a kind of monitoring unit according to claim 2, which is characterized in that the pressure acquiring unit includes: resistance
R1, stress button AN, capacitor C, diode D；The anode of capacitor C and one end phase of resistance R1 simultaneously access input terminal, resistance after connecing
It is connected after the normally opened contact of the other end concatenation stress button of R1 with the cathode of capacitor C；The cathode of capacitor C concatenates stress button
Normally-closed contact after be connected with the anode of diode D, the cathode of diode D accesses output end.
4. a kind of monitoring unit according to claim 1, which is characterized in that first field-effect tube, second effect
Ying Guan, the 4th field-effect tube and the 5th field-effect tube are the enhanced metal-oxide-semiconductor of N-channel；The third field-effect tube, the 6th
Effect pipe and the 7th field-effect tube are P-channel enhancement type metal-oxide-semiconductor.
5. a kind of monitoring unit according to claim 1, which is characterized in that the warm and humid acquisition module includes warm and humid inspection
Survey processing and control element (PCE), wireless transmit/receive units, temperature sensor, humidity sensor, high frequency antenna, indicator light；The warm and humid inspection
Survey processing and control element (PCE), which is sequentially connected in series after wireless transmit/receive units, high frequency antenna, wirelessly to be established with information transmit-receive controlling terminal
Connection；Warm and humid detection processing control unit input is connected to temperature sensor, humidity sensor, the 5th FET drain and battery
Charging module；Warm and humid detection processing control unit output is connected to the grid and indicator light of the 4th field-effect tube；Described the 5th
The drain electrode of effect pipe is connected with the interruption input of warm and humid detection processing control unit and numeral input.
6. a kind of monitoring unit according to claim 1, which is characterized in that the silo monitoring management system includes setting
In monitoring center silo management information system and set on the information transmit-receive controlling terminal and monitoring unit of each silo and excitation/
Charge source module, and corresponding cooling, dehumidifying and ventilation equipment；The information transmit-receive controlling terminal of each silo passes through communication network
Network is connected with silo management information system, and information transmit-receive controlling terminal passes through control signal and cooling, dehumidifying and ventilation equipment
It is connected, monitoring unit is connected by high frequency wireless mode with the information transmit-receive controlling terminal in same cabin, excitation/charging source module
Be connected by way of wirelessly or non-wirelessly with the information transmit-receive controlling terminal in same cabin, excitation/charging source module by low frequency without
Line mode is connected with the monitoring unit in same cabin.
7. a kind of monitoring unit according to claim 3, which is characterized in that the capacitor is leakage tantalum capacitor or niobium electricity
Hold.
8. a kind of monitoring unit according to claim 3, which is characterized in that the stress button is that two-way contact is opened
It closes, all the way to be normally opened, another way is normally closed.
9. one kind is according to claim 1 to a kind of implementation method of monitoring unit described in 6 any one, which is characterized in that packet
Include following steps:
(1) stress button stress surface stress is set are as follows: when stress is more than or equal to 5 kilogram, normally opened contact closure, normally-closed contact breaks
It opens；When stress is less than 5 kilogram, normally opened contact is disconnected, normally-closed contact closure；
(2) monitoring unit is set in Carrier box, and the stress surface that three pressure obtain the stress button in list is set at concave respectively
On the panel in three directions of the coaxial stress of Carrier box；
(3) it is arranged when being responsive to the interruption application that pressure switch module is issued through the output of the 5th field-effect tube, assert currently
It turns over storehouse or puts that grain or grain are stolen, and uploading pressure switch module has output information to information transmit-receive controlling terminal, information transmit-receive control
Terminal processed returns corresponding identification code according to current setting:
1. light indicator light: warm and humid detection processing control unit passes through number when the identification code of passback is to turn over storehouse/put grain identification code
The output of the 5th field-effect tube is read in input port, sets and detects the output for recognizing the 5th field-effect tube to continuous 3 times from high electricity
Equal low level, and continuous 3 time less than 10 seconds, extinguish the indicator light lighted: output low level to the 4th field-effect tube
Grid, and enter dormant state, until warm and humid acquisition module power loss,
2. exporting the grid of low level to the 4th field-effect tube, and enter suspend mode shape when the identification code of passback is anti-theft mark code
State, until warm and humid acquisition module power loss.
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Also Published As
| Publication number | Publication date |
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| CN109814645A (en) | 2019-05-28 |
| CN109739287B (en) | 2020-09-29 |
| CN109814645B (en) | 2020-10-16 |
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