CN108734935A - Universal Multiple Source Sensor wireless data sending platform circuitry and number transmission method - Google Patents
Universal Multiple Source Sensor wireless data sending platform circuitry and number transmission method Download PDFInfo
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
Universal Multiple Source Sensor wireless data sending platform circuitry and number transmission method, belong to Internet of Things field, a kind of this data is only handled for solving sensor and its a series of corresponding processing systems, and, each working sensor voltage is different, operating condition difference causes the problem that data cannot be unified, main points to be：It is made of power supply input circuit, power-switching circuit, core MCU circuits and peripheral circuit；The power-switching circuit includes that mainboard 24V turns 12V power supply circuits, mainboard 12V turns 5V power supply circuits, mainboard 5V turns 3.3V power supply circuits, and the peripheral circuit includes that serial ports one divides more circuits, data access selecting module, serial ports RBS232 level shifting circuits, RS485 data imput output circuit, AD data input modules, clock circuit, Zigbee interface circuits, usb data output module, SD card data storage circuitry, LED debugging display circuits；The power supply input circuit is connected to power-switching circuit, and power-switching circuit connects core MCU circuits, and the peripheral circuit is connected to core MCU circuits.
Description
Technical field
The invention belongs to Internet of Things field, are related to a kind of number biography platform circuitry.
Background technology
Nowadays agriculture Internet of Things is a combination sensor, collaborative perception, cooperative information processing, wireless communication and net
The integrated information system of the multiple technologies such as network, integrated information service is related to crop growth environment information (soil, light intensity, air
Deng), the monitorings such as growth information.Since Agricultural Information obtains particularity, it is related to that sensor is various, complicated mechanism, is typical
Multi-source, isomeric data, sensor assembly can be followed in product design without unified standard, while expensive price seriously constrains agriculture
Industry technology of Internet of things is applied and the rapid development of industry.Instantly agriculture Internet of product, product form structure is single, Er Qiexian
Applied in agricultural electronic monitoring and environment harvester only have the function of oneself, such as aerial temperature and humidity acquisition and transmission it is aobvious
Show that system, soil moisture acquisition and transfer display system etc. are only integrated with required system in the function of their own, humiture is adopted
Collection and analysis system, are acquired epidemic disaster data by temperature and moisture sensors, data are passed to core by Transmission system
Manage device, processor is by data processing or is packaged into and is transmitted to host computer and handles, and gives processor to send letter again after analyzing processing
Breath, processor controls corresponding module according to the corresponding signal generated after analyzing and processing data, with reach information collection,
Analyzing processing, the purpose for taking corresponding measure.This kind of sensor and its a series of corresponding processing systems only handle this
Kind data, also, each working sensor voltage is different, and operating condition difference causes data that cannot unify.
In traditional agriculture Internet of things system, often do not have the adaptivity of multisensor transmission integrated platform, only
The single data single treatment of energy or certain several same type transmission data are handled simultaneously, do not have versatility；Data sheet one transmits
Cannot very well and reconcile, do not have data transmission storage etc. amalgamation；Network transmission is single unstable, is not suitable for once meeting with
External condition or system itself go wrong can lead to network paralysis so that total system failure, do not have network
Robustness and robustness.
Invention content
Interface is uploaded to establish unified standardised networks in order to realize, it is different to dissimilar sensor classification design
Interface circuit and front-end circuit, and to the purpose that front-end circuit is integrated, the present invention proposes following scheme：
A kind of universal Multiple Source Sensor wireless data sending platform circuitry, by power supply input circuit, power-switching circuit, core
MCU circuits and peripheral circuit composition；
The power-switching circuit includes that mainboard 24V turns 12V power supply circuits, mainboard 12V turns 5V power supply circuits, mainboard 5V turns
3.3V power supply circuit；
The peripheral circuit includes that serial ports one divides more circuits, data access selecting module, serial ports RBS232 level conversion electricity
Road, RS485 data imput output circuit, AD data input modules, clock circuit, Zigbee interface circuits, usb data export mould
Block, SD card data storage circuitry, LED debug display circuit；
The power supply input circuit is connected to power-switching circuit, and power-switching circuit connects core MCU circuits, and described
Peripheral circuit is connected to core MCU circuits.
Further, the power supply input circuit, bipod input terminal is as DC3.3V power input lines and ground input line
Input, DC3.3V power input lines are filtered into the platform circuitry by 0 ohm of magnetic bead and put forward supply input, and ground input line is passed through
Two in parallel 0 ohm magnetic beads are filtered into DC and input with providing, and power input line is by resistance connection light emitting diode and is grounded
Input line.
Further, the mainboard 24V turns 12V power supply circuits, by chip LM2596S-12 and 8 bipod input terminals
It constitutes, the access of 24V voltages is grounded through two shunt capacitances；1 foot of chip LM2596S-12 accesses 24V voltages, and passes through 680uF electricity
Hold ground connection, 3,5, the 6 feet ground connection of chip LM2596S-12,4 feet of chip LM2596S-12 divide two-way, pass through 9.1K resistance all the way
12V output voltages are connect, another way is divided into two through 1K resistance, and a ground connection, another connect with 1N5825 and take back 2 feet, and
The tie point of the branch and 1N5825 connect one end of 68uH inductance, and the other end of inductance is divided into two, and one connects 12V voltages, another
Branch is through 220uF capacity earths；2 feet of 8 bipod input terminals are grounded, wherein 1 foot of 1,2 terminals connects 24V voltages；3-
1 foot of 8 terminals connects 12V voltages.
Further, mainboard 12V turns 5V power supply circuits it is made of chip LM2596S-ADJ and 5 bipod input terminals,
The access of 12V voltages is grounded through two shunt capacitances；1 foot of chip LM2596S-ADJ accesses 12V voltages, and is connect by 470uF capacitances
Ground, 3,5, the 6 feet ground connection of chip LM2596S-ADJ, 4 feet of chip LM2596S-ADJ divide two-way, are connect all the way by 3.1K resistance
12V output voltages, another way are divided into two through 1K resistance, and a ground connection, another 1N5822 connects and take back 2 feet, and the branch
One end of 68uH inductance is connect with the tie point of 1N5822, the other end of inductance is divided into two, and one meets 5V voltages, another Zhi Jing
220uF capacity earths；1 foot of 5 bipod input terminals connects 5V voltages, 2 feet ground connection.
Further, the mainboard 5V turns 3.3V power supply circuits, by chip LM2937-3.3 and 4 bipod input terminals
It constitutes, the access of 5V voltages is grounded through two shunt capacitances, and 5V access voltages are isolated to 5V input voltages, chip by 0 ohm of magnetic bead
1 foot of LM2937-3.3 connects 12V input voltages, and passes through 0.1uF capacity earths；2,4 feet of chip LM2937-3.3 are grounded；
Tri- tunnels 3 Jiao Fen of chip LM2937-3.3, all the way by 470pF capacitive feedbacks to 1 foot, two shunt capacitance of the second tunnel is grounded,
Third road is divided into two, and one connects light emitting diode through 3K resistance and is grounded, and second is grounded through 10 Ohmic resistances；Described 4
1 foot of a bipod input terminal connects 3.3V voltages, 2 feet ground connection.
Further, the core MUC circuits include chip MCU-AT32UCB0256,1,23,49 feet ground connection；3,4 foot
Distinguish connecting resistance, light emitting diode, power supply successively；8 feet pass through three capacity earths in parallel；9, when 10,11 feet are separately connected
5,6,7 feet of the DS1302 chips of clock circuit；12,13 feet be separately connected serial ports one divide multicircuit VK3214 chips 10 feet and
8 feet；15, two input terminals of 16 feet respectively as AD data input modules；17 feet are grounded, and 18,19 feet connect, two shunt capacitances
One end be all connected with 17 feet, the other end of the shunt capacitance is all connected with the connecting pin of 18,19 feet, and the connecting pin of 18,19 feet with
3.3V voltages are connect on line between two shunt capacitances；
One connecting pin of five capacitances in parallel be the ends A, another connecting pin be the ends B, the 20 of chip MCU-AT32UCB0256
Foot connects the ends A by 0 Ohmic resistance, 23 feet connect the ends A, the ends B ground connection；21 feet connect 0 Ohmic resistance by two capacitances in parallel and connect
3.3V power supply；32 feet pass through two capacity earths in parallel；33 feet draw both ends, and a termination 10K resistance is followed by power supply, the other end
0.1uF capacitances are connect, the 0.1uF capacitances are in parallel with micro-touch button and are grounded；35,34,43-47 feet connect LED debugging display electricity respectively
The LED1-LED6 on road；36,37,41,42 feet connect 1,5,7,2 feet of SD card data storage circuitry respectively；39, it is accessed between 40 feet
The both ends of the crystal oscillator of 12MHz, crystal oscillator connect 22pF capacitances and are grounded respectively；61,62 feet connect serial ports one divide it is mostly electric
3,5 feet on road；57,58 feet connect 1,4 feet of RS485 data imput output circuits respectively, and 59,47 feet connect data access selection respectively
3,1 foot of module, and 59,47 feet also connect 7,5 feet of data access selecting module respectively；48 feet are connected on three capacitances in parallel
Another connecting pin of one connecting pin, three capacitances in parallel connects power supply by 0 Ohmic resistance；50,51 feet pass through 39 Europe respectively
Nurse resistance connects the 1 of usb data output module, 2 feet, and 52 feet connect 3 feet of usb data output module；55 feet connect the input of RS485 data
3 feet of output circuit；56 feet connect four capacitances in parallel and ground connection；63 feet draw both ends, and a termination 10K resistance is followed by power supply,
Another termination capacitor, the capacitance is in parallel with micro-touch button and is grounded；64 feet are through two capacity earths in parallel；3.3V power supplys pass through
0.1uF capacity earths.
Further, the serial ports one divides more circuits to include chip VK3214,1,2,13 feet ground connection；9,18 feet connect electricity
Source；3,5,8,10 feet are separately connected 61,62,13,12 feet on the AT32UCB0256 chips of core MCU circuits, and 10 feet also pass through
5.1K resistance connects electricity；6,7 feet are connected to the bipod of a three foot input terminals, and 12,11 feet are connected to a three foot input terminals
Bipod, 17,16 feet are connected to the bipod of a three foot input terminals, the third foot ground connection of each three feet input terminal；14,15
Foot is connected to 10,9 feet on the MAX3232 chips of serial ports RBS232 level shifting circuits by 1K resistance respectively；19,20 feet are indirect
Enter the crystal oscillator of 7.3728MHz, the both ends of crystal oscillator connect 22pF capacitances and are grounded respectively；
The data access selecting module is made of 4*2 double-row needles and four foot input terminals, and four foot input terminals, 1 foot connects electricity
Source；2 feet are grounded；3,4 feet are separately connected the 2 of 4*2 double-row needles, 4 feet；Connected 1 of 4*2 double-row needles, 5 foot connecting pins, it is connected
3, the connecting pin of 7 feet is connected respectively to 47,59 feet on the AT32UCB0256 chips of core MUC circuits；6,8 feet connect respectively
7,9 feet of Zigbee interface circuits ZP1 row's seats；
The serial ports RBS232 level shifting circuits are made of MAX3232 chips and serial ports head DB9, MAX3232 chips
1,3 foot is respectively connected to 0.1uF capacitances between 4,5 feet；2,6 feet are respectively through 0.1uF capacity earths；7,8 feet connect the 3 of DB9,2 respectively
Foot；9,10 feet are connected to 15,14 feet that serial ports one divides on multicircuit VK3214 chips by 1K resistance respectively；The 5 of 15 feet and DB9
Foot is grounded；16 feet connect power supply, and also through 0.1uF capacity earths；
The RS485 data imput output circuit is made of MAX3485 and three foot input terminals, MAX3485 chips 1,
The connecting pin of 2 and 3 connected feet, 4 feet connect 57,55,58 feet on the AT32UCB0256 chips of core MUC circuits, and 1 respectively
The connecting pin of the foot of foot, connected 2 and 3,4 feet connect power supply through 10K resistance respectively；5 feet are grounded；8 feet connect power supply；6,7 feet connect respectively
2,3 feet of three foot input terminals, and be connected through 120 Ohmic resistances between 6,7 bipods, also through 20K resistance eutral groundings, 5 feet also pass through 6 feet
20K resistance connects power supply；1 foot of three foot input terminals is grounded；
The clock circuit uses DS1302 chips, 1 foot to connect power supply, and also through 0.1uF capacity earths；2,3 feet are indirect
Enter the crystal oscillator and 6pF capacitance parallel circuits of a 32.368KHz, the both ends of parallel circuit connect 4pF capacitances and connect respectively
Ground；4 feet are grounded；5,6,7 feet connect 9,10,11 feet on core MUC circuit AT32UCB0256 chips respectively；8 feet connect stand-by power supply
Anode, power cathode ground connection, and through 0.1uF capacity earths；
The AD data input modules are made of two three foot input terminals, and 1 foot of two terminals connects electricity, and 2 feet connect respectively
15,16 feet of core MCU circuits, 3 feet ground connection；
Two 2*10 double cabs ZP1, ZP2 are arranged to be directly embedded into CC2430 modules, power supply in the Zigbee interface circuits
Line and ground wire respectively through 0 ohm of magnetic bead with being filtered into Z power supplys, Z；ZP1 arranges seat 1,19 feet ground connection；7,9 feet connect data access respectively
6,8 feet of selecting module 4*2 double-row needles；6,13 feet distinguish sending and receiving optical diode, 470 Ohmic resistances, Z power supplys successively；ZP2 arranges seat
7 feet connect Z power supplys, and with meeting Z through 100pF capacitances；9 feet connect Z power supplys, and 15 feet connect micro-touch button and with meeting Z；
1,2 feet of the usb data output module connect 50,51 feet of core MCU circuits by 39 Ohmic resistances respectively, and 52
Foot connects 3 feet of core MCU circuits, 4 feet ground connection；
1,5,7,2 feet of the SD card data storage circuitry connect 36,37,41,42 feet of core MUC circuits respectively, and 1,
5,10,12 feet connect power supply through 100K resistance；3,6,11 feet are grounded, and 4 feet connect power supply；
The LED0-LED6 of LED debugging display circuit connects 3K resistance respectively, then sending and receiving optical diode and connects power supply.
The present invention does not often have multisensor transmission integrated platform to solve in traditional agriculture Internet of things system
Adaptivity, can only single data single treatment or certain several same type transmission data handle simultaneously, do not have versatility
The problem of；And data sheet one transmission cannot very well and reconcile, do not have data transmission storage etc. confluent problem；And network
Transmit it is single unstable, once meet with unsuitable external condition or system itself go wrong can cause network paralysis so that
In the failure of total system, do not have the problem of robustness and robustness of network.
The present invention also proposes the wireless data sending method of a universal Multiple Source Sensor, including the sending method of transmitting terminal and
The method of reseptance of receiving terminal：
The sending method of the transmitting terminal includes the following steps：
S1, system configuration power on：DC3.3V is obtained using DC24V conversion circuits, is accessed circuit power input circuit
Platform is passed to the number to power on；
S2, initialization simultaneously debug core MCU circuits, and core MCU circuits are started to work after the power is turned on, data access selecting module
1,2 feet are connected with jumper cap, 3,4 feet connect debugging end by computer and carry out the external debugging to entire core MCU so that is whole
A core MCU normal works；
S3, alias simultaneously access data terminal：Jumper cap shifts to 5,6 feet, and the connection of 7,8 feet makes Zigbee interface circuits connect
Enter core circuit, press the reset key of core MUC circuits, initialize whole modules and circuit, clock module work starts to count
When, constructing local network is carried out after the initialization of Zigbee interface circuits, networking object is receiving terminal Zigbee interface circuits or relaying
Router, and data collection terminal is accessed, data collection terminal includes SPI, I2C, RS485, analog signal interface；
S4, it data acquisition, is packaged, storage：The signal that each channel is acquired carries out step-by-step packing, is packaged as a frame number
According to the data are made of+three road 232 data of serial ports of the opinion 485 data+two-way AD data of frame head+3+postamble, at this point, being deposited to SD card
Store up data, which includes time, data frame, sending method, sending destination, by the packing framing of each signal data and
Storage；
S5, data are sent：While storage, a packed frame data are sent to Zigbee interface circuits by core MCU,
For Zigbee to next node transmission data, data are sent successfully and next node has been received, and can receive within ten minutes
To an ack signal, Zigbee interface circuits give core MCU electronic feedbacks, and continuing to execute data transmission after receiving is sent to road
By device or staging computers, distant place control terminal is being sent to by Ethernet, the transmission of next frame data is then being carried out, recycles past
It is multiple；If not receiving the feedback of ack signal after 10 minutes also, then it represents that Zigbee network transmission failure, network paralysis, at this time
MCU sends this data to the GPRS module of RS485 controls again, while SD card records again, is directly transmitted using GPRS-4G nets
Afield control terminal, so far a frame data be sent completely, system has carried out an overall work；
Receiving terminal includes the following steps：
S1, system configuration power on：DC3.3V is obtained using DC24V conversion circuits, is accessed circuit power input circuit
Platform is passed to the number to power on；
S2, initialization simultaneously debug core MCU circuits, and core MCU circuits are started to work after the power is turned on, data access selecting module
1,2 feet are connected with jumper cap, 3,4 feet connect debugging end by computer and carry out the external debugging to entire core MCU so that is whole
A core MCU can be worked normally；
S3, alias Zigbee networkings：Jumper cap shifts to 5,6 feet, and the connection of 7,8 feet makes Zigbee interface circuits access core
The reset key of core MUC circuits is pressed on electrocardio road, initializes whole modules and circuit, and clock module work starts timing,
Constructing local network is carried out after the initialization of Zigbee interface circuits, networking object is to send Zigbee interface circuits；
S4, data receiver：After networking success, the reception of data is carried out, when receiving a frame data, number is stored to SD card
According to the data include the time, data frame, reception mode, receive source, while transferring data to core MCU circuits, and upwards
One Zigbee node sends ack signal；
S5, data are sent：Data frame is sent to staging computers by usb data output module by core MCU circuits, together
When SD card store data, the data include the time, data frame, USB send, sending destination, if failing to receive data,
Zigbee network is paralysed, then data are directly sent to by receiving terminal without response, after ten minutes a upper node circuit by GPRS-4G
Distant place control terminal.
Advantageous effect：In the present invention, power-switching circuit provides a variety of supply voltages, also, includes serial ports one in scheme
Divide more circuits, data access selecting module, serial ports RBS232 level shifting circuits, RS485 data imput output circuit, AD data
Input module establishes a unified standardised networks and uploads interface, the different interface of dissimilar sensor classification design
Circuit (such as SPI, I2C, RS485, analog signal interface), it is convenient for the unification of data transmission.
Description of the drawings
Fig. 1 is the circuit diagram of power supply input circuit；
Fig. 2 is the circuit diagram that mainboard 24V turns 12V power supply circuits；
Fig. 3 is the circuit diagram that mainboard 12V turns 5V power supply circuits；
Fig. 4 is the circuit diagram that mainboard 5V turns 3.3V power supply circuits；
Fig. 5 is the circuit diagram of core MUC circuits；
Fig. 6 is that serial ports one divides multicircuit circuit diagram；
Fig. 7 is the circuit diagram of data access selecting module；
Fig. 8 is the circuit diagram of serial ports RBS232 level shifting circuits；
Fig. 9 is the circuit diagram of RS485 data imput output circuits；
Figure 10 is the circuit diagram of clock circuit；
Figure 11 is the circuit diagram of AD data input modules；
Figure 12 is the circuit diagram of Zigbee interface circuits；
Figure 13 is the circuit diagram of usb data output module；
Figure 14 is the circuit diagram of SD card data storage circuitry；
Figure 15 is the circuit diagram of LED debugging display circuits；
Figure 16 is the flow chart of the wireless data sending method of universal Multiple Source Sensor；
Specific implementation mode
Embodiment 1：A kind of universal Multiple Source Sensor wireless data sending platform circuitry is converted by power supply input circuit, power supply
Circuit, core MCU circuits and peripheral circuit composition；
The power-switching circuit includes that mainboard 24V turns 12V power supply circuits, mainboard 12V turns 5V power supply circuits, mainboard 5V turns
3.3V power supply circuit；
The peripheral circuit includes that serial ports one divides more circuits, data access selecting module, serial ports RBS232 level conversion electricity
Road, RS485 data imput output circuit, AD data input modules, clock circuit, Zigbee interface circuits, usb data export mould
Block, SD card data storage circuitry, LED debug display circuit；
The power supply input circuit is connected to power-switching circuit, and power-switching circuit connects core MCU circuits, and described
Peripheral circuit is connected to core MCU circuits.
The power supply input circuit, input of the bipod input terminal as DC3.3V power input lines and ground input line,
DC3.3V power input lines are filtered into the platform circuitry by 0 ohm of magnetic bead and put forward supply input, and ground input line passes through two simultaneously
0 ohm of magnetic bead of connection is filtered into DC and inputs with providing, and power input line is by resistance connection light emitting diode and is grounded input line.
The mainboard 24V turns 12V power supply circuits, is made of chip LM2596S-12 and 8 bipod input terminals, 24V
Voltage access is grounded through two shunt capacitances；1 foot of chip LM2596S-12 accesses 24V voltages, and by 680uF capacity earths,
3,5,6 feet of chip LM2596S-12 are grounded, and 4 feet of chip LM2596S-12 divide two-way, and it is defeated to meet 12V by 9.1K resistance all the way
Go out voltage, another way is divided into two through 1K resistance, a ground connection, and another connect with 1N5825 and take back 2 feet, and the branch and
The tie point of 1N5825 connects one end of 68uH inductance, and the other end of inductance is divided into two, and one meets 12V voltages, another Zhi Jing
220uF capacity earths；2 feet of 8 bipod input terminals are grounded, wherein 1 foot of 1,2 terminals connects 24V voltages；The ends 3-8
1 foot of son connects 12V voltages.
Mainboard 12V turns 5V power supply circuits, and it is made of chip LM2596S-ADJ and 5 bipod input terminals, and 12V voltages connect
Enter and is grounded through two shunt capacitances；1 foot of chip LM2596S-ADJ accesses 12V voltages, and passes through 470uF capacity earths, chip
3,5,6 feet of LM2596S-ADJ are grounded, and 4 feet of chip LM2596S-ADJ divide two-way, connect 12V outputs by 3.1K resistance all the way
Voltage, another way are divided into two through 1K resistance, and a ground connection, another 1N5822 connects and take back 2 feet, and the branch and 1N5822
Tie point connect one end of 68uH inductance, the other end of inductance is divided into two, and one connects 5V voltages, and another through 220uF capacitances
Ground connection；1 foot of 5 bipod input terminals connects 5V voltages, 2 feet ground connection.
The mainboard 5V turns 3.3V power supply circuits, is made of chip LM2937-3.3 and 4 bipod input terminals, 5V electricity
It crimps and is grounded into through two shunt capacitances, 5V access voltages are isolated to 5V input voltages, chip LM2937-3.3 by 0 ohm of magnetic bead
1 foot connect 12V input voltages, and pass through 0.1uF capacity earths；2,4 feet of chip LM2937-3.3 are grounded；Chip
Tri- tunnels 3 Jiao Fen of LM2937-3.3 pass through 470pF capacitive feedbacks to 1 foot, two shunt capacitance of the second tunnel ground connection, third all the way
Road is divided into two, and one connects light emitting diode through 3K resistance and is grounded, and second is grounded through 10 Ohmic resistances；Described 4 two
1 foot of foot input terminal connects 3.3V voltages, 2 feet ground connection.
The core MUC circuits include chip MCU-AT32UCB0256,1,23,49 feet ground connection；3,4 feet are distinguished successively
Connecting resistance, light emitting diode, power supply；8 feet pass through three capacity earths in parallel；9,10,11 feet are separately connected clock circuit
5,6,7 feet of DS1302 chips；12,13 feet are separately connected 10 feet and 8 feet that serial ports one divides multicircuit VK3214 chips；15,
Two input terminals of 16 feet respectively as AD data input modules；17 feet are grounded, and 18,19 feet connect, one end of two shunt capacitances
17 feet are all connected with, the other end of the shunt capacitance is all connected with the connecting pin of 18,19 feet, and the connecting pin of 18,19 feet is in parallel with two
3.3V voltages are connect on line between capacitance；
One connecting pin of five capacitances in parallel be the ends A, another connecting pin be the ends B, the 20 of chip MCU-AT32UCB0256
Foot connects the ends A by 0 Ohmic resistance, 23 feet connect the ends A, the ends B ground connection；21 feet connect 0 Ohmic resistance by two capacitances in parallel and connect
3.3V power supply；32 feet pass through two capacity earths in parallel；33 feet draw both ends, and a termination 10K resistance is followed by power supply, the other end
0.1uF capacitances are connect, the 0.1uF capacitances are in parallel with micro-touch button and are grounded；35,34,43-47 feet connect LED debugging display electricity respectively
The LED1-LED6 on road；36,37,41,42 feet connect 1,5,7,2 feet of SD card data storage circuitry respectively；39, it is accessed between 40 feet
The both ends of the crystal oscillator of 12MHz, crystal oscillator connect 22pF capacitances and are grounded respectively；61,62 feet connect serial ports one divide it is mostly electric
3,5 feet on road；57,58 feet connect 1,4 feet of RS485 data imput output circuits respectively, and 59,47 feet connect data access selection respectively
3,1 foot of module, and 59,47 feet also connect 7,5 feet of data access selecting module respectively；48 feet are connected on three capacitances in parallel
Another connecting pin of one connecting pin, three capacitances in parallel connects power supply by 0 Ohmic resistance；50,51 feet pass through 39 Europe respectively
Nurse resistance connects the 1 of usb data output module, 2 feet, and 52 feet connect 3 feet of usb data output module；55 feet connect the input of RS485 data
3 feet of output circuit；56 feet connect four capacitances in parallel and ground connection；63 feet draw both ends, and a termination 10K resistance is followed by power supply,
Another termination capacitor, the capacitance is in parallel with micro-touch button and is grounded；64 feet are through two capacity earths in parallel；3.3V power supplys pass through
0.1uF capacity earths.
The serial ports one divides more circuits to include chip VK3214,1,2,13 feet ground connection；9,18 feet connect power supply；3,5,8,10
Foot is separately connected 61,62,13,12 feet on the AT32UCB0256 chips of core MCU circuits, and 10 feet also connect through 5.1K resistance
Electricity；6,7 feet are connected to the bipod of a three foot input terminals, and 12,11 feet are connected to the bipod of a three foot input terminals, 17,
16 feet are connected to the bipod of a three foot input terminals, the third foot ground connection of each three feet input terminal；14,15 feet pass through respectively
1K resistance is connected to 10,9 feet on the MAX3232 chips of serial ports RBS232 level shifting circuits；19, it is accessed between 20 feet
The both ends of the crystal oscillator of 7.3728MHz, crystal oscillator connect 22pF capacitances and are grounded respectively；
The data access selecting module is made of 4*2 double-row needles and four foot input terminals, and four foot input terminals, 1 foot connects electricity
Source；2 feet are grounded；3,4 feet are separately connected the 2 of 4*2 double-row needles, 4 feet；Connected 1 of 4*2 double-row needles, 5 foot connecting pins, it is connected
3, the connecting pin of 7 feet is connected respectively to 47,59 feet on the AT32UCB0256 chips of core MUC circuits；6,8 feet connect respectively
7,9 feet of Zigbee interface circuits ZP1 row's seats；
The serial ports RBS232 level shifting circuits are made of MAX3232 chips and serial ports head DB9, MAX3232 chips
1,3 foot is respectively connected to 0.1uF capacitances between 4,5 feet；2,6 feet are respectively through 0.1uF capacity earths；7,8 feet connect the 3 of DB9,2 respectively
Foot；9,10 feet are connected to 15,14 feet that serial ports one divides on multicircuit VK3214 chips by 1K resistance respectively；The 5 of 15 feet and DB9
Foot is grounded；16 feet connect power supply, and also through 0.1uF capacity earths；
The RS485 data imput output circuit is made of MAX3485 and three foot input terminals, MAX3485 chips 1,
The connecting pin of 2 and 3 connected feet, 4 feet connect 57,55,58 feet on the AT32UCB0256 chips of core MUC circuits, and 1 respectively
The connecting pin of the foot of foot, connected 2 and 3,4 feet connect power supply through 10K resistance respectively；5 feet are grounded；8 feet connect power supply；6,7 feet connect respectively
2,3 feet of three foot input terminals, and be connected through 120 Ohmic resistances between 6,7 bipods, also through 20K resistance eutral groundings, 5 feet also pass through 6 feet
20K resistance connects power supply；1 foot of three foot input terminals is grounded；
The clock circuit uses DS1302 chips, 1 foot to connect power supply, and also through 0.1uF capacity earths；2,3 feet are indirect
Enter the crystal oscillator and 6pF capacitance parallel circuits of a 32.368KHz, the both ends of parallel circuit connect 4pF capacitances and connect respectively
Ground；4 feet are grounded；5,6,7 feet connect 9,10,11 feet on core MUC circuit AT32UCB0256 chips respectively；8 feet connect stand-by power supply
Anode, power cathode ground connection, and through 0.1uF capacity earths；
The AD data input modules are made of two three foot input terminals, and 1 foot of two terminals connects electricity, and 2 feet connect respectively
15,16 feet of core MCU circuits, 3 feet ground connection；
Two 2*10 double cabs ZP1, ZP2 are arranged to be directly embedded into CC2430 modules, power supply in the Zigbee interface circuits
Line and ground wire respectively through 0 ohm of magnetic bead with being filtered into Z power supplys, Z；ZP1 arranges seat 1,19 feet ground connection；7,9 feet connect data access respectively
6,8 feet of selecting module 4*2 double-row needles；6,13 feet distinguish sending and receiving optical diode, 470 Ohmic resistances, Z power supplys successively；ZP2 arranges seat
7 feet connect Z power supplys, and with meeting Z through 100pF capacitances；9 feet connect Z power supplys, and 15 feet connect micro-touch button and with meeting Z；
1,2 feet of the usb data output module connect 50,51 feet of core MCU circuits by 39 Ohmic resistances respectively, and 52
Foot connects 3 feet of core MCU circuits, 4 feet ground connection；
1,5,7,2 feet of the SD card data storage circuitry connect 36,37,41,42 feet of core MUC circuits respectively, and 1,
5,10,12 feet connect power supply through 100K resistance；3,6,11 feet are grounded, and 4 feet connect power supply；
The LED0-LED6 of LED debugging display circuit connects 3K resistance respectively, then sending and receiving optical diode and connects power supply.
The number transmission method of the wireless data sending platform circuitry of universal Multiple Source Sensor described in the present embodiment, including transmitting terminal
Sending method and receiving terminal method of reseptance,
The sending method of the transmitting terminal includes the following steps：
S1, system configuration power on：DC3.3V is obtained using DC24V conversion circuits, is accessed circuit power input circuit
Platform is passed to the number to power on；
S2, initialization simultaneously debug core MCU circuits, and core MCU circuits are started to work after the power is turned on, data access selecting module
1,2 feet are connected with jumper cap, 3,4 feet connect debugging end by computer and carry out the external debugging to entire core MCU so that is whole
A core MCU normal works；
S3, alias simultaneously access data terminal：Jumper cap shifts to 5,6 feet, and the connection of 7,8 feet makes Zigbee interface circuits connect
Enter core circuit, press the reset key of core MUC circuits, initialize whole modules and circuit, clock module work starts to count
When, constructing local network is carried out after the initialization of Zigbee interface circuits, networking object is receiving terminal Zigbee interface circuits or relaying
Router, and data collection terminal is accessed, data collection terminal includes SPI, I2C, RS485, analog signal interface；
S4, it data acquisition, is packaged, storage：The signal that each channel is acquired carries out step-by-step packing, is packaged as a frame number
According to the data are made of+three road 232 data of serial ports of the opinion 485 data+two-way AD data of frame head+3+postamble, at this point, being deposited to SD card
Store up data, which includes time, data frame, sending method, sending destination, by the packing framing of each signal data and
Storage；
S5, data are sent：While storage, a packed frame data are sent to Zigbee interface circuits by core MCU,
For Zigbee to next node transmission data, data are sent successfully and next node has been received, and can receive within ten minutes
To an ack signal, Zigbee interface circuits give core MCU electronic feedbacks, and continuing to execute data transmission after receiving is sent to road
By device or staging computers, distant place control terminal is being sent to by Ethernet, the transmission of next frame data is then being carried out, recycles past
It is multiple；If not receiving the feedback of ack signal after 10 minutes also, then it represents that Zigbee network transmission failure, network paralysis, at this time
MCU sends this data to the GPRS module of RS485 controls again, while SD card records again, is directly transmitted using GPRS-4G nets
Afield control terminal, so far a frame data be sent completely, system has carried out an overall work；
Receiving terminal includes the following steps：
S1, system configuration power on：DC3.3V is obtained using DC24V conversion circuits, is accessed circuit power input circuit
Platform is passed to the number to power on；
S2, initialization simultaneously debug core MCU circuits, and core MCU circuits are started to work after the power is turned on, data access selecting module
1,2 feet are connected with jumper cap, 3,4 feet connect debugging end by computer and carry out the external debugging to entire core MCU so that is whole
A core MCU can be worked normally；
S3, alias Zigbee networkings：Jumper cap shifts to 5,6 feet, and the connection of 7,8 feet makes Zigbee interface circuits access core
The reset key of core MUC circuits is pressed on electrocardio road, initializes whole modules and circuit, and clock module work starts timing,
Constructing local network is carried out after the initialization of Zigbee interface circuits, networking object is to send Zigbee interface circuits；
S4, data receiver：After networking success, the reception of data is carried out, when receiving a frame data, number is stored to SD card
According to the data include the time, data frame, reception mode, receive source, while transferring data to core MCU circuits, and upwards
One Zigbee node sends ack signal；
S5, data are sent：Data frame is sent to staging computers by usb data output module by core MCU circuits, together
When SD card store data, the data include the time, data frame, USB send, sending destination, if failing to receive data,
Zigbee network is paralysed, then data are directly sent to by receiving terminal without response, after ten minutes a upper node circuit by GPRS-4G
Distant place control terminal.
Embodiment 2：A kind of universal Multiple Source Sensor wireless data sending platform circuitry, Integrated Agriculture Internet of Things are sensed in multi-source
Device interface circuit standardizes switch technology, the Data fusion technique of Multiple Source Sensor detection data, high density sensing node condition
Under the key technologies such as transmitting technology, pass through and build general agriculture Internet of Things multi-source sensing platform, integrated electronic, computer
With network mature technology, application of the agriculture Internet of Things multi-source sensing platform in agriculture Internet of Things is realized.It is by power input electricity
(mainboard 24V turns 12V power supply circuits, mainboard 12V turns 5V power supply circuits, mainboard 5V turns 3.3V power supply electricity for road, power-switching circuit
Road), (serial ports one divides more circuits, data access selecting module, serial ports RBS232 level conversions for core MCU circuits and peripheral circuit
Circuit, RS485 data imput output circuit, AD data input modules, clock circuit, Zigbee interface circuits, usb data output
Module, SD card data storage circuitry, LED debug display circuit), the structure of circuit is：
Power-switching circuit：
Mainboard 24V turns 12V power supply circuits：This electricity router chip LM2596S-12 and 8 bipod input terminals constitute (1-
8), the access of 24V voltages is through two shunt capacitance (E1:22uF,C3:0.47uF) it is grounded；1 foot of chip accesses 24V voltages, passes through simultaneously
680uF capacity earths；3,5,6 feet are grounded；4 feet divide two-way, connect 12V output voltages by 9.1K resistance all the way, another way is through 1K
Resistance divides two-way, is grounded all the way, and another way returns 2 feet, while this connection termination 68uH inductance, another termination of inductance by 1N5825
12V voltages, while through 220uF capacity earths；The 2 feet ground connection (power-switching circuit of all bipod input terminals：GND
Line)；1,2 terminal, 1 foot connects 24V voltages；1 foot of 3-8 terminals connects 12V voltages.
Mainboard 12V turns 5V power supply circuits：This electricity router chip LM2596S-ADJ and 5 bipod input terminals are constituted, 12V
Plant-grid connection is through two shunt capacitance (E2:22uF,C6:0.47uF) it is grounded；1 foot of chip accesses 12V voltages, while passing through 470uF
Capacity earth；3,5,6 feet are grounded；4 feet divide two-way, connect 12V output voltages by 3.1K resistance all the way, another way is through 1K resistance point
Two-way is grounded all the way, and another way returns 2 feet, while this connection termination 68uH inductance by 1N5822, and another termination of inductance is electric, together
When through C5:220uF capacity earths；All 1 feet of bipod input terminal connect 5V voltages, 2 feet ground connection.
Mainboard 5V turns 3.3V power supply circuits：This electricity router chip LM2937-3.3 and 4 bipod input terminals are constituted, 5V electricity
Source is accessed through two shunt capacitance (E4:22uF,C10:0.47uF) it is grounded；5V accesses voltage, and by 0 ohm of magnetic bead to be isolated to 5V defeated
Enter voltage, 1 foot of chip connects 12V input voltages, while passing through 0.1uF capacity earths；2,4 feet are grounded；Tri- tunnels 3 Jiao Fen, all the way
By 470pF capacitive feedbacks to 1 foot, another way is grounded through two shunt capacitances (22uF, 0.01uF), and third road connects by 3K resistance
Light emitting diode is grounded again, while this third road 10 Ohmic resistance ground connection；1 foot of all bipod input terminals connects 3.3V electricity
Pressure, 2 feet ground connection.
Power supply input circuit：Bipod input terminal is inputted as DC3.3V power input lines and ground input line, 3.3V power supplys
Input line is filtered into whole system by 0 ohm of magnetic bead and puies forward supply input (DC3.3V power cords), and ground input line passes through two simultaneously
0 ohm of magnetic bead of connection is filtered into whole system and inputs (DGNG ground wires) with providing, this module is also equipped with power input line by electricity
Resistance connection light emitting diode is grounded input line circuit, the indicating module as system power supply.
Core MUC circuits：This circuit core module MCU-AT32UCB0256, its 1,23,49 feet ground connection；3,4 feet are distinguished
Connecting resistance, light emitting diode, power supply successively, as indicator light；8 feet pass through three capacitance (C18 in parallel:0.1uF,C19:
2.7nF,C20:33nF) it is grounded；9,10,11 feet control 5,6,7 feet of clock module DS1302 chips respectively；12,13 feet are distinguished
Control serial ports one divides 10 feet and 8 feet of more circuit VK3214 chips；15,16 feet are defeated respectively as two of AD data input modules
Enter end；17 feet are grounded, and meet two capacitance (C26 in parallel:0.1uF,C25:33nF) one end, the other end are connected with 18,19 feet
It connects, and connects 3.3V power supplys,；Define five capacitance (C29 in parallel:470pF,C30:2.2nF,C31:0.1uF,C32:2.7nF,
C33:One end 33nF) is the ends A, and the other end is the ends B, and 20 feet connect the ends A by 0 Ohmic resistance, 23 feet connect the ends A, the ends B ground connection；；21
Foot passes through two capacitance (C22 in parallel:0.1uF,C23:It 33nF) connects 0 Ohmic resistance and connects 3.3V power supplys；32 feet by two simultaneously
Capacitance (the C28 of connection:0.1uF,C27:33nF) it is grounded；33 feet draw both ends, and a termination 10K resistance is followed by power supply, another termination
0.1uF capacitances, the 0.1uF capacitances are in parallel with micro-touch button and are grounded；35,34,43-47 feet connect LED debugging display circuits respectively
LED1-LED6；36,37,41,42 feet connect 1,5,7,2 feet of SD card data storage circuitry respectively；39,12MHz is accessed between 40 feet
Crystal oscillator, the both ends of crystal oscillator connect 22pF capacitances and are grounded respectively；, 61,62 feet connect serial ports one divide it is multicircuit
3,5 foot；57,58 feet connect 1,4 feet of RS485 data imput output circuits respectively, and 59,47 feet connect data access selecting module respectively
3,1 foot, while 59,47 feet connect the 7 of data access selecting module, 5 feet respectively；48 feet pass through three capacitance (C14 in parallel:
4.7uF,C15:0.1uF,C16:33nF) one end connects power supply using 0 Ohmic resistance；50,51 feet pass through 39 Ohmic resistances respectively
1,2 feet of usb data output module are connect, 52 feet connect 3 feet of usb data output module；55 feet connect RS485 data input and output electricity
3 feet on road；56 feet pass through four capacitance (C1 in parallel:2.2nF,C2:0.1uF,C3:2.7nF,C4:33nF) it is grounded；63 feet draw
Go out both ends, a termination 10K resistance is followed by power supply, another termination C9:4.7uF capacitances, C9 capacitances are in parallel with micro-touch button and are grounded；
64 feet pass through two capacitance (C13 in parallel:0.1uF,C12:33nF) it is grounded；3.3V power supplys (writing exactly) pass through C8:0.1uF capacitances
Ground connection.
Peripheral circuit
1) serial ports one divides more circuits：This circuit core chip VK3214,1,2,13 feet ground connection；9,18 feet connect power supply；3,5,
8,10 feet are separately connected 61,62,13,12 feet on core MCU circuit AT32UCB0256 chips, while 10 feet pass through 5.1K electricity
Resistance connects electricity；6,7 feet are connected to the bipod of a three foot input terminals, and 12,11 feet are connected to the bipod of a three foot input terminals,
17,16 feet are connected to the third foot ground connection of each three feet input terminal of bipod of a three foot input terminals；14,15 feet lead to respectively
Cross 10,9 feet that 1K resistance is connected on serial ports RBS232 level shifting circuit MAX3232 chips；19, it is accessed between 20 feet
The both ends of the crystal oscillator of 7.3728MHz, crystal oscillator connect 22pF capacitances and are grounded respectively.
2) data access selecting module：This module is made of 4*2 double-row needles and four foot input terminals, four foot input terminals 1
Foot connects power supply；2 feet are grounded；3,4 feet are separately connected the 2 of 4*2 double-row needles, 4 feet；Connected 1 of 4*2 double-row needles, 5 feet, it is connected
3,7 feet are connected respectively to 47,59 feet on core MUC circuit AT32UCB0256 chips；6,8 feet connect Zigbee interface electricity respectively
Road ZP1 arranges 7,9 feet of seat.
3) serial ports RBS232 level shifting circuits：This circuit is made of MAX3232 chips and serial ports head DB9, MAX3232 cores
1,3 feet of piece are respectively connected to 0.1uF capacitances between 4,5 feet；2,6 feet pass through 0.1uF capacity earths respectively；7,8 feet connect respectively
3,2 feet of DB9；9,10 feet are connected to 15,14 feet that serial ports one divides on more circuit VK3214 chips by 1K resistance respectively；15 feet and
5 feet of DB9 are grounded；16 feet connect power supply and by 0.1uF capacity earths.
4) RS485 data imput output circuit：This circuit is made of MAX3485 and three foot input terminals, MAX3485 chips
1,2 and 3 connected feet, 4 feet connect 57,55,58 feet on core MUC circuit AT32UCB0256 chips respectively, while 1 foot, being connected
2 and 3 feet, 4 feet power supply is connect by 10K resistance respectively；5 feet are grounded；8 feet connect power supply；6,7 feet connect three foot input terminals respectively
2,3 foot, while being connected by 120 Ohmic resistances between 6,7 bipods, 6 feet are connect by 20K resistance eutral groundings, 5 feet by 20K resistance
Power supply；1 foot of three foot input terminals is grounded.
5) clock circuit：This circuit uses DS1302 chips, and 1 foot connects power supply, and passes through 0.1uF capacity earths；2, between 3 feet
The crystal oscillator and 6pF capacitance parallel circuits of a 32.368KHz are accessed, the both ends of parallel circuit connect 4pF capacitances simultaneously respectively
Ground connection；4 feet are grounded；5,6,7 feet connect 9,10,11 feet on core MUC circuit AT32UCB0256 chips respectively；8 feet connect standby electricity
Source anode, power cathode ground connection, and pass through 0.1uF capacity earths.
6) AD data input modules：There are two three foot input terminals to constitute for this module, and 1 foot of two terminals connects electricity；2 feet point
15,16 feet of core MCU circuits are not connect；3 feet are grounded.
7) Zigbee interface circuits：Two 2*10 double cabs (being divided into ZP1, ZP2) are arranged to be directly embedded into this circuit
CC2430 modules, power and ground pass through 0 ohm of magnetic bead with being filtered into Z power supplys, Z respectively；ZP1 arranges seat 1,19 feet ground connection；7,9
Foot connects 6,8 feet of data access selecting module 4*2 double-row needles respectively；6,13 feet distinguish sending and receiving optical diode, 470 ohm of electricity successively
Resistance, Z power supplys；ZP2 row's 7 feet of seat connect Z power supplys, and with meeting Z by 100pF capacitances；9 feet connect Z power supplys, and 15 feet connect micro-touch by bonded Z
Ground.
8) usb data output module：1,2 feet connect 50,51 feet of core MCU circuits, 52 feet by 39 Ohmic resistances respectively
Connect 3 feet of core MCU circuits；4 feet are grounded.
9) SD card data storage circuitry：1,5,7,2 feet connect 36,37,41,42 feet of core MUC circuits respectively, at the same 1,5,
10,12 feet connect electricity by 100K resistance；3,6,11 feet are grounded；4 feet connect power supply.
10) LED debugs display circuit：Six tunnels (LED0-LED6) connect 3K resistance respectively, then sending and receiving optical diode and connect electricity
Source.
Operation principle：
Transmitting terminal：24V input voltages are depressurized to 12V, 5V, 3.3V by three steps of power conversion module point；It is converted by power supply
The DC3.3V of module access powers to core circuit, and core MCU circuits are started to work after the power is turned on, and data access selecting module is jumped
Line cap connects 1,2 feet, and 3,4 feet carry out the external debugging to entire core MCU, after debugging, jumper cap is shifted to 5,6 feet,
7,8 feet connect, and so that Zigbee interface circuits is accessed core circuit, press 63 feet on core MUC circuit AT32UCB0256 chips
The whole modules of micro-touch button (reset key) initialization and circuit connected, clock module work start timing, and Zigbee connects
Constructing local network (networking object is another Zigbee interface circuits or relay router etc.) is carried out after mouth circuit initialization, with this
Simultaneously A/D module, three tunnel serial port modules, (this core board RS485 data imput output circuits pass through industry to three tunnels, 485 module
485HUB carries out branch, one point of four tunnel, wherein road is transmitted in three tunnels as data receiver, connects 485 turns of GPRS of industry all the way and exists
Zigbee network paralyse when carry out transmission data) carry out data transmission, data be collected after through processing be packaged as a frame number
According to (+three road 232 data of serial ports of the opinion 485 data+two-way AD data of frame head+3+postamble【Believe when place channel no data transmits
Breath is " 0 " MCU automatic processing analysis】), at this point, same to SD card storage data (time data frame sending method sending destination)
When to Zigbee interface circuit transmission datas, data are sent out by Zigbee interface circuits, and wait it is to be coordinated its return ACK letter
Number, confirm data whether receive, continue to execute data transmission after receiving, be sent to router or staging computers, by with
Too net is sent to distant place control terminal, if not receiving ack signal then Zigbee network transmission failure, network paralysis after 10 minutes also
Paralysis, MCU sends this data to the GPRS module of RS485 controls again at this time, while SD card records again, utilizes GPRS-4G nets
Afield control terminal is directly transmitted, so far a frame data are sent completely, remaining working cycles is reciprocal.
Receiving terminal：24V input voltages are depressurized to 12V, 5V, 3.3V by three steps of power conversion module point；It is converted by power supply
The DC3.3V of module access powers to core circuit, and core MCU circuits are started to work after the power is turned on, and data access selecting module is jumped
Line cap connects 1,2 feet, and 3,4 feet carry out the external debugging to entire core MCU, after debugging, jumper cap is shifted to 5,6 feet,
7,8 feet connect, and so that Zigbee interface circuits is accessed core circuit, press 63 feet on core MUC circuit AT32UCB0256 chips
The whole modules of micro-touch button (reset key) initialization and circuit connected, clock module work start timing, and Zigbee connects
Constructing local network (networking object is another Zigbee interface circuits or relay router etc.), networking are carried out after mouth circuit initialization
After success, the reception of data is carried out, when receiving a frame data, (time data frame receives mode and connects to SD card storage data
By source) while core MCU circuits are transferred data to, and a upward Zigbee node sends ack signal, then by core
Data frame is sent to staging computers by MCU circuits by usb data output module, while SD card stores data (time data frame
USB sends sending destination), if failing to receive data, Zigbee network paralysis, then receiving terminal is without response, after ten minutes
Data are directly sent afield control terminal by a upper node circuit by GPRS-4G.So far one of a frame data sends, receives
End cycle.
The number transmission method of the wireless data sending platform of the universal Multiple Source Sensor is that transmitting terminal includes the following steps：
S1, system configuration power on；
The DC3.3V obtained using the DC24V conversion circuits from design is accessed circuit power input circuit to entire
System electrification.
S2, initialization simultaneously debug core MCU circuits (debugging need to only be used when first use or MCU are broken down)；
Core MCU circuits are started to work after the power is turned on, and data access selecting module jumper cap connects 1,2 feet, and 3,4 feet lead to
It crosses computer connection debugging end (outer debugging end is wired to four foot input terminals) and carries out the external debugging to entire core MCU so that
Entire core MCU can be worked normally.
S3, alias simultaneously access data terminal；
Jumper cap shifts to 5,6 feet, and the connection of 7,8 feet makes Zigbee interface circuits access core circuit, presses core MUC electricity
The reset key on road initializes whole modules and circuit, and clock module work starts timing, after the initialization of Zigbee interface circuits
Constructing local network (networking object is receiving terminal Zigbee interface circuits or relay router etc.) is carried out, and accesses data collection terminal
(such as SPI, I2C, RS485, analog signal interface).
S4, it data acquisition, is packaged, storage；
The signal that each channel is acquired carries out step-by-step packing, and being packaged as a frame data, (frame head+3 discusses 485 data+two
+ three road 232 data of serial ports of road AD data+postamble【Information is that " 0 " MCU is automatically processed point when place channel no data transmits when
Analysis】) at this point, to SD card storage data (time data frame sending method sending destination), just accomplish in this way by each signal
The packing framing of data and storage.
S5, data are sent；
While storage, a packed frame data are sent to Zigbee interface circuits by core MCU, and Zigbee is to next
Node transmission data, data are sent successfully and next node has been received, and will receive an ACK letter within ten minutes
Number, Zigbee interface circuits give core MCU electronic feedbacks, and data transmission is continued to execute after receiving and is sent to router or relaying
Computer is being sent to distant place control terminal by Ethernet, is then carrying out the transmission of next frame data, move in circles；If 10 points
The feedback of ack signal is not received after clock also, then it represents that Zigbee network transmission fails, network paralysis, and MCU again counts this at this time
According to the GPRS module for being sent to RS485 controls, while SD card records again, is directly transmitted using GPRS-4G nets and is afield controlled
End, so far a frame data are sent completely, and system has carried out an overall work.
Receiving terminal includes the following steps：
S1, system configuration power on；
The DC3.3V obtained using the DC24V conversion circuits from design is accessed circuit power input circuit to entire
System electrification.
S2, initialization simultaneously debug core MCU circuits (debugging need to only be used when first use or MCU are broken down)；
Core MCU circuits are started to work after the power is turned on, and data access selecting module jumper cap connects 1,2 feet, and 3,4 feet lead to
It crosses computer connection debugging end (outer debugging end is wired to four foot input terminals) and carries out the external debugging to entire core MCU so that
Entire core MCU can be worked normally.
S3, alias Zigbee networkings；
Jumper cap shifts to 5,6 feet, and the connection of 7,8 feet makes Zigbee interface circuits access core circuit, presses core MUC electricity
The reset key on road initializes whole modules and circuit, and clock module work starts timing, after the initialization of Zigbee interface circuits
Carry out constructing local network (networking object is to send Zigbee interface circuits).
S4, data receiver；
After networking success, the reception of data is carried out, when receiving a frame data, data (time data is stored to SD card
Frame receives mode and receives source) while core MCU circuits are transferred data to, and a upward Zigbee node sends ACK letters
Number.
S5, data are sent；
Data frame is sent to staging computers by usb data output module by core MCU circuits, while SD card stores number
According to (time data frame USB send sending destination), if failing to receive data, Zigbee network paralysis, then receiving terminal without
It responds, data are directly sent afield control terminal by a upper node circuit by GPRS-4G after ten minutes.
Platform circuitry described in the present embodiment and method analyze agriculture Internet of Things typical case system, with agricultural comprehensively
Internet of Things Multiple Source Sensor system is application, studies unified multi-source sensing data model and sensing data describes agreement,
The sensing data coding mode towards wireless transmission under unified sensing data model is explored, it is effective to improve data receiver effect
Rate.
The biography centered on agriculture Internet of Things Multiple Source Sensor node is gradually established from conceptual model, engineering model etc.
Feel data model, determine model coded representation mode --- sensing data describes agreement, form the static description of sensing data
Frame design method.The method that research is suitable for agriculture Internet of Things bottom data collaboration, compression, fusion, standardize bottom-up information
Model is handled, the data transmission efficiency in wireless sense network is effectively improved, reduces the redundancy in WSN, reduces node energy
Consumption.
For a variety of typical reading intelligent agriculture sensor node radio transmitting methods, studies, designs between various sensing nodes
The steady type transmission means for interconnecting and cooperating, to meet height of the sensor network under mixed networking, isomerous environment
Effect, reliability transmission.Building dual-mode wireless transmission method is：ZigBee+4G networks.The transmission side data of the double net fusions of structure
Formula on time, selects applicable network on demand, carries out efficient, reliable multi-source heat transfer agent wireless transmission.
The various sensor interfaces of sensing node are different in existing agricultural Internet of Things, lead to a kind of every sensor of increase
Use, be required for developing the software and hardware of node again.The present embodiment is directed to the typical biography that agriculture Internet of Things is related to
Sensor develops the standardization multi-source sensor-based system for meeting agriculture internet of things sensors interface specification, to analog interface, different type
Digital interface sensor be standardized adaptation processing, core processing is connected to by bus to different types of output signal
Device.Developing operation applies middleware on sensor node, supports the data interaction of isomeric data type.Complete sensor section
The standardization conversion designs of point interface circuit, the various sensors for solving agriculture Internet of Things acquisition of information automatically configure and active set
It is problematic.
(1) Multiple Source Sensor nuclear interface standardizing adaptation module designs：It is to establish unified standardised networks upload interface
Target, interface circuit (such as SPI, the I different to dissimilar sensor classification design2C, RS485, analog signal interface etc.) and
Front-end circuit, and front-end circuit is integrated.Time data is carried out to effective Sensing interface by embedded microprocessor
Acquisition, forms complete data flow by unified data encoding and is sent to network transmission module, to realize Multiple Source Sensor
Standard functions.
(2) agriculture internet of things sensors node various protocols docking platform design：For in agriculture Internet of Things application system
Various sensors automatically configure with effective integration problem, agriculture Internet of Things standardize adaptation module on the basis of, design towards
The Multiple Source Sensor network transmission protocol docking platform of wireless network transmissions is established and supports SPI, I2C, RS485 etc. general
The agreement docking platform of transport protocol, the seamless reception for realizing sensing data, the effective communication with wireless-transmission network.
For a variety of typical reading intelligent agriculture sensor node radio transmitting methods, studies, designs between various sensing nodes
The steady type transmission means for interconnecting and cooperating, to meet height of the sensor network under mixed networking, isomerous environment
Effect, reliability transmission.Building dual-mode wireless transmission method is：ZigBee+4G networks.The transmission side data of the double net fusions of structure
Formula on time, selects applicable network on demand, carries out efficient, reliable multi-source heat transfer agent wireless transmission.
Reliability transmission method under the conditions of high density sensing node is studied, mixing, heterogeneous network condition are solved
Lower dual-mode wireless transmitting selective and Switchability problem lay the foundation for the reliability wireless transmission of multi-source sensing node.
In the present embodiment, the platform and method have the following advantages that：First, adaptivity, this platform is referred to as universal
Multiple Source Sensor wireless data sending platform, you can with data receiver (such as SPI, I of general compatible industry sensor2C、
RS485, analog signal interface etc.)；Second, data fusion, which packs the data to a frame, is packaged as a frame data (opinion of frame head+3
+ three road 232 data of serial ports of 485 data+two-way AD data+postamble【Information is " 0 " MCU when place channel no data transmits when
Automatic processing analysis】) sent, analyzed and handled；Third, the robustness and robustness of network, are passed by Zigbee+4G
It is defeated, the data transfer mode of double net fusions is built, on time, selects applicable network on demand, carries out efficient, reliable multi-source sensing letter
Breath wireless transmission.
The preferable specific implementation mode of the above, only the invention, but the protection domain of the invention is not
It is confined to this, any one skilled in the art is in the technical scope that the invention discloses, according to the present invention
The technical solution of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection domain it
It is interior.
Claims (8)
1. a kind of universal Multiple Source Sensor wireless data sending platform circuitry, which is characterized in that converted by power supply input circuit, power supply
Circuit, core MCU circuits and peripheral circuit composition；
The power-switching circuit includes that mainboard 24V turns 12V power supply circuits, mainboard 12V turns 5V power supply circuits, mainboard 5V turns 3.3V
Power supply circuit；
The peripheral circuit include serial ports one divide more circuits, data access selecting module, serial ports RBS232 level shifting circuits,
RS485 data imput output circuit, AD data input modules, clock circuit, Zigbee interface circuits, usb data output module,
SD card data storage circuitry, LED debug display circuit；
The power supply input circuit is connected to power-switching circuit, and power-switching circuit connects core MCU circuits, and the periphery
It is electrically connected to core MCU circuits.
2. universal Multiple Source Sensor wireless data sending platform circuitry as described in claim 1, which is characterized in that the power supply is defeated
Enter circuit, input of the bipod input terminal as DC3.3V power input lines and ground input line, DC3.3V power input lines pass through 0
Ohm magnetic bead is filtered into the platform circuitry and puies forward supply input, and ground input line is filtered into DC by two in parallel 0 ohm magnetic beads
Ground input is provided, power input line is by resistance connection light emitting diode and is grounded input line.
3. universal Multiple Source Sensor wireless data sending platform circuitry as described in claim 1, which is characterized in that the mainboard
24V turns 12V power supply circuits, is made of chip LM2596S-12 and 8 bipod input terminals, and the access of 24V voltages is through two parallel connections
Capacity earth；1 foot of chip LM2596S-12 accesses 24V voltages, and by 680uF capacity earths, chip LM2596S-12's
3,5,6 feet are grounded, and 4 feet of chip LM2596S-12 divide two-way, connect 12V output voltages, another way warp by 9.1K resistance all the way
1K resistance is divided into two, and a ground connection, another connect with 1N5825 and take back 2 feet, and the tie point of the branch and 1N5825 connect
The other end of one end of 68uH inductance, inductance is divided into two, and one connects 12V voltages, and another through 220uF capacity earths；It is described
8 bipod input terminals 2 feet ground connection, wherein 1 foot of 1,2 terminals connects 24V voltages；1 foot of 3-8 terminals connects 12V voltages.
4. universal Multiple Source Sensor wireless data sending platform circuitry as described in claim 1, which is characterized in that mainboard 12V turns
It is made of 5V power supply circuits chip LM2596S-ADJ and 5 bipod input terminals, and the access of 12V voltages connects through two shunt capacitances
Ground；1 foot of chip LM2596S-ADJ accesses 12V voltages, and by 470uF capacity earths, and 3,5, the 6 of chip LM2596S-ADJ
Foot is grounded, and 4 feet of chip LM2596S-ADJ divide two-way, connects 12V output voltages by 3.1K resistance all the way, another way is through 1K electricity
Resistance is divided into two, and a ground connection, another 1N5822 connects and take back 2 feet, and the tie point of the branch and 1N5822 connect 68uH electricity
The other end of one end of sense, inductance is divided into two, and one connects 5V voltages, and another through 220uF capacity earths；Described 5 two
1 foot of foot input terminal connects 5V voltages, 2 feet ground connection.
5. universal Multiple Source Sensor wireless data sending platform circuitry as described in claim 1, which is characterized in that the mainboard 5V
Turn 3.3V power supply circuits, be made of chip LM2937-3.3 and 4 bipod input terminals, 5V voltages are accessed through two shunt capacitances
Ground connection, 5V access voltage and are isolated to 5V input voltages, the 1 foot connection 12V input electricity of chip LM2937-3.3 by 0 ohm of magnetic bead
Pressure, and pass through 0.1uF capacity earths；2,4 feet of chip LM2937-3.3 are grounded；Tri- tunnels 3 Jiao Fen of chip LM2937-3.3, one
Road is divided into two by 470pF capacitive feedbacks to 1 foot, two shunt capacitance of the second tunnel ground connection, third road, and one connects through 3K resistance
Sending and receiving optical diode is simultaneously grounded, and second is grounded through 10 Ohmic resistances；1 foot of 4 bipod input terminals connects 3.3V voltages,
2 feet are grounded.
6. universal Multiple Source Sensor wireless data sending platform circuitry as described in claim 1, which is characterized in that the core
MUC circuits include chip MCU-AT32UCB0256,1,23,49 feet ground connection；3,4 feet distinguish connecting resistance, light-emitting diodes successively
Pipe, power supply；8 feet pass through three capacity earths in parallel；9,10,11 feet be separately connected the DS1302 chips of clock circuit 5,6,
7 feet；12,13 feet are separately connected 10 feet and 8 feet that serial ports one divides multicircuit VK3214 chips；15,16 feet are respectively as AD numbers
According to two input terminals of input module；17 feet are grounded, and 18,19 feet connect, and one end of two shunt capacitances is all connected with 17 feet, the parallel connection
The other end of capacitance is all connected with the connecting pin of 18,19 feet, and is connect on the line between the connecting pin and two shunt capacitances of 18,19 feet
3.3V voltage；
One connecting pin of five capacitances in parallel is the ends A, and another connecting pin is the ends B, and 20 feet of chip MCU-AT32UCB0256 pass through
Cross that 0 Ohmic resistance connects the ends A, 23 feet connect the ends A, the ends B ground connection；21 feet connect 0 Ohmic resistance by two capacitances in parallel and meet 3.3V
Power supply；32 feet pass through two capacity earths in parallel；33 feet draw both ends, and a termination 10K resistance is followed by power supply, another termination
0.1uF capacitances, the 0.1uF capacitances are in parallel with micro-touch button and are grounded；35,34,43-47 feet connect LED debugging display circuits respectively
LED1-LED6；36,37,41,42 feet connect 1,5,7,2 feet of SD card data storage circuitry respectively；39,12MHz is accessed between 40 feet
Crystal oscillator, the both ends of crystal oscillator connect 22pF capacitances and are grounded respectively；61,62 feet connect serial ports one divide multicircuit 3,
5 feet；57,58 feet connect 1,4 feet of RS485 data imput output circuits respectively, and 59,47 feet connect data access selecting module respectively
3,1 foot, and 59,47 feet also connect 7,5 feet of data access selecting module respectively；48 feet are connected on a connection of three capacitances in parallel
End, another connecting pin of three capacitances in parallel connects power supply by 0 Ohmic resistance；50,51 feet pass through 39 Ohmic resistances respectively
1,2 feet of usb data output module are connect, 52 feet connect 3 feet of usb data output module；55 feet connect RS485 data input and output electricity
3 feet on road；56 feet connect four capacitances in parallel and ground connection；63 feet draw both ends, and a termination 10K resistance is followed by power supply, the other end
Capacitance is connect, the capacitance is in parallel with micro-touch button and is grounded；64 feet are through two capacity earths in parallel；3.3V power supplys pass through 0.1uF
Capacity earth.
7. universal Multiple Source Sensor wireless data sending platform circuitry as described in claim 1, which is characterized in that the serial ports one
It includes chip VK3214,1,2,13 feet ground connection to divide more circuits；9,18 feet connect power supply；3,5,8,10 feet are separately connected core MCU
61,62,13,12 feet on the AT32UCB0256 chips of circuit, and 10 feet also connect electricity through 5.1K resistance；6,7 feet are connected to one
The bipod of three foot input terminals, 12,11 feet are connected to the bipod of a three foot input terminals, and 17,16 feet are connected to three feet
The bipod of input terminal, the third foot ground connection of each three feet input terminal；14,15 feet are connected to serial ports by 1K resistance respectively
10,9 feet on the MAX3232 chips of RBS232 level shifting circuits；19, the crystal oscillator of 7.3728MHz is accessed between 20 feet,
The both ends of crystal oscillator connect 22pF capacitances and are grounded respectively；
The data access selecting module is made of 4*2 double-row needles and four foot input terminals, and four foot input terminals, 1 foot connects power supply；2
Foot is grounded；3,4 feet are separately connected the 2 of 4*2 double-row needles, 4 feet；Connected 1 of 4*2 double-row needles, 5 foot connecting pins, connected 3,7 feet
Connecting pin be connected respectively to 47,59 feet on the AT32UCB0256 chips of core MUC circuits；6,8 feet meet Zigbee and connect respectively
7,9 feet of mouth circuit ZP1 row's seats；
The serial ports RBS232 level shifting circuits are made of MAX3232 chips and serial ports head DB9, and 1, the 3 of MAX3232 chips
Foot is respectively connected to 0.1uF capacitances between 4,5 feet；2,6 feet are respectively through 0.1uF capacity earths；7,8 feet connect the 3 of DB9,2 feet respectively；
9,10 feet are connected to 15,14 feet that serial ports one divides on multicircuit VK3214 chips by 1K resistance respectively；5 feet of 15 feet and DB9
Ground connection；16 feet connect power supply, and also through 0.1uF capacity earths；
The RS485 data imput output circuit is made of MAX3485 and three foot input terminals, MAX3485 chips 1, be connected
The connecting pins of 2 and 3 feet, 4 feet connect 57,55,58 feet on the AT32UCB0256 chips of core MUC circuits, and 1 foot, phase respectively
The connecting pin of 2 and 3 feet even, 4 feet connect power supply through 10K resistance respectively；5 feet are grounded；8 feet connect power supply；6, it is defeated to connect three feet respectively for 7 feet
Enter 2,3 feet of terminal, and be connected through 120 Ohmic resistances between 6,7 bipods, 6 feet are also through 20K resistance eutral groundings, and 5 feet are also through 20K electricity
Resistance connects power supply；1 foot of three foot input terminals is grounded；
The clock circuit uses DS1302 chips, 1 foot to connect power supply, and also through 0.1uF capacity earths；2, one is accessed between 3 feet
The crystal oscillator and 6pF capacitance parallel circuits of a 32.368KHz, the both ends of parallel circuit connect 4pF capacitances and are grounded respectively；4
Foot is grounded；5,6,7 feet connect 9,10,11 feet on core MUC circuit AT32UCB0256 chips respectively；8 feet are connecing stand-by power supply just
Pole, power cathode ground connection, and through 0.1uF capacity earths；
The AD data input modules are made of two three foot input terminals, and 1 foot of two terminals connects electricity, and 2 feet connect core respectively
15,16 feet of MCU circuits, 3 feet ground connection；
Two 2*10 double cabs ZP1, ZP2 are arranged to be directly embedded into CC2430 modules in the Zigbee interface circuits, power cord and
Ground wire respectively through 0 ohm of magnetic bead with being filtered into Z power supplys, Z；ZP1 arranges seat 1,19 feet ground connection；7,9 feet connect data access selection respectively
6,8 feet of module 4*2 double-row needles；6,13 feet distinguish sending and receiving optical diode, 470 Ohmic resistances, Z power supplys successively；ZP2 arranges 7 foot of seat
Z power supplys are connect, and with meeting Z through 100pF capacitances；9 feet connect Z power supplys, and 15 feet connect micro-touch button and with meeting Z；
1,2 feet of the usb data output module connect 50,51 feet of core MCU circuits by 39 Ohmic resistances respectively, and 52 feet connect
3 feet of core MCU circuits, 4 feet ground connection；
1,5,7,2 feet of the SD card data storage circuitry connect 36,37,41,42 feet of core MUC circuits respectively, and 1,5,10,
12 feet connect power supply through 100K resistance；3,6,11 feet are grounded, and 4 feet connect power supply；
The LED0-LED6 of LED debugging display circuit connects 3K resistance respectively, then sending and receiving optical diode and connects power supply.
8. the wireless data sending method of a universal Multiple Source Sensor, includes the recipient of the sending method of transmitting terminal and receiving terminal
Method, which is characterized in that
The sending method of the transmitting terminal includes the following steps：
S1, system configuration power on：DC3.3V is obtained using DC24V conversion circuits, is accessed circuit power input circuit to institute
Number biography platform is stated to power on；
S2, initialization simultaneously debug core MCU circuits, and core MCU circuits are started to work after the power is turned on, and data access selecting module is jumped
Line cap connects 1,2 feet, and 3,4 feet connect debugging end by computer and carry out the external debugging to entire core MCU so that entire core
Heart MCU normal works；
S3, alias simultaneously access data terminal：Jumper cap shifts to 5,6 feet, and the connection of 7,8 feet makes Zigbee interface circuits access core
The reset key of core MUC circuits is pressed on electrocardio road, initializes whole modules and circuit, and clock module work starts timing,
Constructing local network is carried out after the initialization of Zigbee interface circuits, networking object is receiving terminal Zigbee interface circuits or transistroute
Device, and data collection terminal is accessed, data collection terminal includes SPI, I2C, RS485, analog signal interface；
S4, it data acquisition, is packaged, storage：The signal that each channel is acquired carries out step-by-step packing, is packaged as a frame data,
The data are made of+three road 232 data of serial ports of the opinion 485 data+two-way AD data of frame head+3+postamble, at this point, storing number to SD card
According to the data include time, data frame, sending method, sending destination, by the packing framing of each signal data and are deposited
Storage；
S5, data are sent：While storage, a packed frame data are sent to Zigbee interface circuits by core MCU,
For Zigbee to next node transmission data, data are sent successfully and next node has been received, and can receive within ten minutes
To an ack signal, Zigbee interface circuits give core MCU electronic feedbacks, and continuing to execute data transmission after receiving is sent to road
By device or staging computers, distant place control terminal is being sent to by Ethernet, the transmission of next frame data is then being carried out, recycles past
It is multiple；If not receiving the feedback of ack signal after 10 minutes also, then it represents that Zigbee network transmission failure, network paralysis, at this time
MCU sends this data to the GPRS module of RS485 controls again, while SD card records again, is directly transmitted using GPRS-4G nets
Afield control terminal, so far a frame data be sent completely, system has carried out an overall work；
Receiving terminal includes the following steps：
S1, system configuration power on：DC3.3V is obtained using DC24V conversion circuits, is accessed circuit power input circuit to institute
Number biography platform is stated to power on；
S2, initialization simultaneously debug core MCU circuits, and core MCU circuits are started to work after the power is turned on, and data access selecting module is jumped
Line cap connects 1,2 feet, and 3,4 feet connect debugging end by computer and carry out the external debugging to entire core MCU so that entire core
Heart MCU can be worked normally；
S3, alias Zigbee networkings：Jumper cap shifts to 5,6 feet, and the connection of 7,8 feet makes Zigbee interface circuits access core electricity
The reset key of core MUC circuits is pressed on road, initializes whole modules and circuit, and clock module work starts timing, Zigbee
Constructing local network is carried out after interface circuit initialization, networking object is to send Zigbee interface circuits；
S4, data receiver：After networking success, the reception of data is carried out, when receiving a frame data, data are stored to SD card,
The data include the time, data frame, reception mode, receive source, while transferring data to core MCU circuits, and upward one
A Zigbee nodes send ack signal；
S5, data are sent：Data frame is sent to staging computers, while SD by usb data output module by core MCU circuits
Card storage data, which includes time, data frame, USB transmissions, sending destination, if failing to receive data, Zigbee
Network paralysis, then receiving terminal is without response, and a upper node circuit is directly afield controlled data by GPRS-4G transmissions after ten minutes
End processed.
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| CN108734936B (en) | 2020-09-01 |
| CN108734936A (en) | 2018-11-02 |
| CN108734935B (en) | 2023-11-07 |
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