CN109116781A - Ethernet high-speed data acquistion system - Google Patents
Ethernet high-speed data acquistion system Download PDFInfo
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- CN109116781A CN109116781A CN201811016695.7A CN201811016695A CN109116781A CN 109116781 A CN109116781 A CN 109116781A CN 201811016695 A CN201811016695 A CN 201811016695A CN 109116781 A CN109116781 A CN 109116781A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The invention proposes a kind of Ethernet high-speed data acquistion systems, data interaction is carried out including connecting intercommunication with single-chip microcontroller by Industrial Ethernet circuit, the transmission signal receiving end for sending signal enable end connection Industrial Ethernet circuit of single-chip microcontroller, the reading signal enable end connection single-chip microcontroller of Industrial Ethernet circuit reads signal receiving end, single-chip microcontroller carrier sense receiving end connection Industrial Ethernet circuit carrier listens to signal sending end, and single-chip microcontroller reference signal end connects Industrial Ethernet circuit reference signal end.
Description
Technical field
The present invention relates to electronic circuit field more particularly to a kind of Ethernet high-speed data acquistion systems.
Background technique
In car running process, chassis drive mechanism and stability constantly mentioned by professional person, belong to automobile
The essential sport technique segment of driving safety, but in the production process of chassis, cannot be stable acquire for production
The data on chassis, since data collection system is many kinds of, the unsuitable mass data transmission control of traditional communication modes,
This just needs those skilled in the art and solves corresponding technical problem.
Summary of the invention
The present invention is directed at least solve the technical problems existing in the prior art, especially innovatively propose a kind of for new
The Ethernet high-speed data acquistion system of energy automobile chassis production.
In order to realize above-mentioned purpose of the invention, the present invention provides a kind of Ethernet high-speed data acquistion systems, comprising:
The transmission signal receiving end for sending signal enable end connection Industrial Ethernet circuit of single-chip microcontroller, the reading of Industrial Ethernet circuit
Signal enable end connects single-chip microcontroller and reads signal receiving end, and single-chip microcontroller carrier sense receiving end connects Industrial Ethernet circuit carrier
Signal sending end is listened to, single-chip microcontroller reference signal end connects Industrial Ethernet circuit reference signal end.
Preferably, the Industrial Ethernet circuit includes: that 3.3V power supply connects the 1st resistance one end, and the 1st resistance other end connects
Industrial Ethernet chip power working end is connect, single-chip microcontroller sends signal enable end and connects the 2nd resistance one end, the 2nd resistance other end
It connects Industrial Ethernet chip and receives signal enable end, single-chip microcontroller the 1st sends signal end and connects the 3rd resistance one end, and the 3rd resistance is another
One end connects Industrial Ethernet chip the 1st and receives signal end, and single-chip microcontroller the 2nd sends signal end and connects the 4th resistance one end, the 4th electricity
It hindering other end connection Industrial Ethernet chip the 2nd and receives signal end, single-chip microcontroller the 1st receives signal end and connects the 5th resistance one end, the
The 5 resistance other ends connect Industrial Ethernet chip the 1st and send signal end, and single-chip microcontroller the 2nd receives signal end and connects the 6th resistance one
End, the 6th resistance other end connect Industrial Ethernet chip the 2nd and send signal end, and single-chip microcontroller receives the connection of signal mode control terminal
7th resistance one end, the 7th resistance other end connect Industrial Ethernet chip and send signal mode control terminal, Industrial Ethernet chip
Tranmitting data register signal end connects the 9th resistance one end, the 9th resistance other end connection zero resistance one end, and the zero resistance other end connects
Crystal oscillator working end is connect, one end connection Industrial Ethernet chip is anti-after the 1st capacitor, the 2nd capacitor, the 3rd capacitor, the 4th capacitor are in parallel
Feedback signal end, after the 1st capacitor, the 2nd capacitor, the 3rd capacitor and the 4th capacitor are in parallel the other end connect the 5th capacitor, the 6th capacitor and
One end after 7th capacitor is in parallel, the other end connects the 8th capacitor, the 9th electricity after the 5th capacitor, the 6th capacitor and the 7th capacitor are in parallel
In parallel latter of appearance, the 10th capacitor, the 11st capacitor, the 12nd capacitor, the 13rd capacitor, the 14th capacitor, the 15th capacitor and the 16th capacitor
End, RJ45 interfaces indicator light connect Industrial Ethernet chip operation signal end, the connection industry of RJ45 interface fault indicator light
Ethernet chip fault-signal end, 3.3 power ends are also connected with the 19th resistance one end, and the 19th resistance other end connects Industrial Ethernet
Chip operation signal end, 3.3 power ends are also connected with the 20th resistance one end, and the 20th resistance other end connects Industrial Ethernet chip net
Fast signal end, 3.3 power ends are also connected with the 21st resistance one end, and the 21st resistance other end connects Industrial Ethernet chip enable signal
End.
Preferably, the single-chip microcontroller is STM32F207.
Preferably, the single-chip microcontroller connects analogue quantity output circuit, and the analogue quantity output circuit includes: positive 15V electricity
Source connects the 28th resistance one end.Cathode 15V power end connects the 29th resistance one end, and the connection the 30th of the 28th resistance other end is adjustable
Resistance one end, the 29th resistance other end connect the 30th adjustable resistance other end, and the 30th adjustable resistance is adjustable, and end connects the 31st resistance
One end, the 31st resistance other end are separately connected the 32nd resistance one end and the 33rd resistance one end, and the 32nd resistance other end connects modulus
Conversion signal end, the 33rd resistance other end connect the 34th resistance one end, and the 34th resistance other end is separately connected the output of the 1st amplifier
End and the 36th resistance one end, the 32nd resistance one end are also connected with the 1st amplifier negative input, and the 1st amplifier anode input terminal connects
The 35th resistance one end, the 35th resistance other end ground connection are connect, the 36th resistance other end is separately connected the 38th resistance one end and the 2nd and puts
Big device negative input, the 3rd amplifier anode input terminal connect the 37th resistance one end, the 37th resistance other end ground connection, the 38th electricity
It hinders the other end and the 2nd amplifier out connects dac signal output end.
Preferably, comprising: setting variable-frequency motor switching value input circuit sends variable-frequency motor work letter by single-chip microcontroller
Number, the 39th resistance one end of connection and the 40th resistance one end after the conversion of digital-to-analogue analog-digital converter, the 39th resistance other end and the 40th
The resistance other end the 1st light emitting diode positive terminal of connection, the 1st light emitting diode cathode the 1st optocoupler electrode input end of connection, the 1st
Optocoupler negative input connection single-chip microcontroller variable-frequency motor work order end, the 41st resistance one end of the 1st optocoupler collector connection, the 41st
The resistance other end connects 5V power end, and the 41st resistance other end is also connected with variable-frequency motor working signal input terminal, the transmitting of the 1st optocoupler
Pole ground connection.
Preferably, comprising: setting variable-frequency motor switching value output circuit, variable-frequency motor working signal end connect the 3rd crystal
Pipe collector, the 3rd emitter connect single-chip microcontroller variable-frequency motor working instruction signal end, the 3rd transistor base connection the
46 resistance one end, the 46th resistance other end are separately connected the 45th resistance one end and the 44th resistance one end, and the 44th resistance other end connects
The 2nd optocoupler emitter is connect, the 2nd optocoupler collector connects 24V power end, and the 2nd optocoupler electrode input end connects the 42nd resistance one end
With the 43rd resistance one end, the 42nd resistance other end is separately connected the 43rd resistance other end and 5V power end, the input of the 2nd optocoupler cathode
The 3rd light emitting diode positive terminal of end connection, the 2nd light emitting diode negative pole end connect single-chip microcontroller frequency variation signal input terminal.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
Invention achieves targets, by using the indexs such as the reliability for the system that demonstrates in complex environment.Pass through
Wireless data transmission also may be implemented in wireless router, is suitble to be not easy arrangement and more dangerous occasion in route.Industrial ether
Network data acquisition controller will substitute the communication apparatus in original automatic control system, improve data transmission stability, protect
Demonstrate,prove data transmission security.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is Ethernet and single-chip microcontroller pin connection figure of the present invention；
Fig. 2 is general illustration of the present invention；
Fig. 3 is STM32 circuit diagram of the present invention；
Fig. 4 is PHY circuit schematic diagram of the present invention；
Fig. 5 is analog-digital converter circuit figure of the present invention；
Fig. 6 is modulus amount output circuit figure of the present invention；
Fig. 7 is switch value input interface schematic diagram of the present invention；
Fig. 8 is output switch parameter interface diagram of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
As shown in Figure 1,2 and 3, the present invention connects intercommunication with single-chip microcontroller by Industrial Ethernet circuit and carries out data interaction,
The transmission signal receiving end for sending signal enable end connection Industrial Ethernet circuit of single-chip microcontroller, the reading of Industrial Ethernet circuit
Signal enable end connects single-chip microcontroller and reads signal receiving end, and single-chip microcontroller carrier sense receiving end connects Industrial Ethernet circuit carrier
Signal sending end is listened to, single-chip microcontroller reference signal end connects Industrial Ethernet circuit reference signal end.
Modulus digital analog converter signal sending end, modulus digital-to-analogue conversion are connected by Industrial Ethernet circuit signal receiving end
Device signal receiving end connection switch amount output interface and switch value input interface obtain chassis production by switch value input interface
Detection data, including variable-frequency motor, rotating speed of transmission shaft sensor, loading head, driving head, lifting speed case and shaft coupling,
Middle loading head is arranged four, is used for simulated automotive wheel hub, driving head simulated engine,
Single-chip microcontroller realizes hunting of frequency by T1 crystal oscillator,
As shown in figure 4, Industrial Ethernet circuit includes: that 3.3V power supply connects the 1st resistance one end, the 1st resistance other end connects
Industrial Ethernet chip power working end is connect, single-chip microcontroller sends signal enable end and connects the 2nd resistance one end, the 2nd resistance other end
It connects Industrial Ethernet chip and receives signal enable end, single-chip microcontroller the 1st sends signal end and connects the 3rd resistance one end, and the 3rd resistance is another
One end connects Industrial Ethernet chip the 1st and receives signal end, and single-chip microcontroller the 2nd sends signal end and connects the 4th resistance one end, the 4th electricity
It hindering other end connection Industrial Ethernet chip the 2nd and receives signal end, single-chip microcontroller the 1st receives signal end and connects the 5th resistance one end, the
The 5 resistance other ends connect Industrial Ethernet chip the 1st and send signal end, and single-chip microcontroller the 2nd receives signal end and connects the 6th resistance one
End, the 6th resistance other end connect Industrial Ethernet chip the 2nd and send signal end, and single-chip microcontroller receives the connection of signal mode control terminal
7th resistance one end, the 7th resistance other end connect Industrial Ethernet chip and send signal mode control terminal, Industrial Ethernet chip
Tranmitting data register signal end connects the 9th resistance one end, the 9th resistance other end connection zero resistance one end, and the zero resistance other end connects
Crystal oscillator working end is connect, one end connection Industrial Ethernet chip is anti-after the 1st capacitor, the 2nd capacitor, the 3rd capacitor, the 4th capacitor are in parallel
Feedback signal end, after the 1st capacitor, the 2nd capacitor, the 3rd capacitor and the 4th capacitor are in parallel the other end connect the 5th capacitor, the 6th capacitor and
One end after 7th capacitor is in parallel, the other end connects the 8th capacitor, the 9th electricity after the 5th capacitor, the 6th capacitor and the 7th capacitor are in parallel
In parallel latter of appearance, the 10th capacitor, the 11st capacitor, the 12nd capacitor, the 13rd capacitor, the 14th capacitor, the 15th capacitor and the 16th capacitor
End prevents extraneous signal interference from causing signal to Industrial Ethernet chip by forming filter circuit after above-mentioned capacitor parallel connection
Transmission influences, and RJ45 interfaces indicator light connects Industrial Ethernet chip operation signal end, and RJ45 interface fault indicator light connects
Industrial Ethernet failure of chip signal end is connect, 3.3 power ends are also connected with the 19th resistance one end, the connection industry of the 19th resistance other end
Ethernet chip working signal end, 3.3 power ends are also connected with the 20th resistance one end, and the 20th resistance other end connects Industrial Ethernet
Chip network speed signal end, 3.3 power ends are also connected with the 21st resistance one end, and the 21st resistance other end connection Industrial Ethernet chip makes
Energy signal end,
It is a Shandong of National Semiconductor's production as shown in figure 4, selecting Industrial Ethernet chip DP83848C
10/100Mbps single channel physical layer (PHY) device that stick is good, function is complete, low in energy consumption.It support MII (Media Independent Interface) and
RMII (Media Independent Interface simplified) makes to design more simple and flexible；Meanwhile supporting 10BASE~T and 100BASE-TX ether
Net peripheral hardware has good compatibility and versatility to other standards ethernet solution.
Network portion uses RMII mode, and the company of PHY is reduced under the premise of holding physical layer device existing characteristic
Connect pin.RMII by reference clock REF_CLK, send enabled TX_EN, send data TXD [1:0], receive data RXD [1:0],
Carrier sense/effective CRS_DV of reception data and reception mistake RX_ER (optional signal) composition.On this basis, DP83848C
It also adds RX_DV and receives data valid signal.
As shown in figure 5,12 ADC of single-chip microcontroller STM32F207 are a successive approximation A/D converters, possess up to
19 multiplex channels allow to handle 16 externally input analog signals, 2 internal signals and Vbat (cell voltage) signal.
The conversion in all channels can be configured as single conversion mode, continuous translative mode, scan pattern and discontinuity detection mode.
Result after ADC conversion can be stored in 16 bit data registers an of left-justify or Right Aligns (being specifically configurable)
In.
Analog voltage watchdog function allows user that the analog voltage range simulated into channel is arranged in the application,
Once input voltage exceeds the upper limit or lower limit, interruption will be generated, program is can simplify in this way and improves detection efficiency.
As shown in Fig. 6,7 and 8, break common design form in this system design, it is multiple to have only used ADC portion inside one
With channel, the work in switch sampling channel is completed by external electrical switch form, utmostly reduces chip I/O in this way
Use, so that it is completed other more multiplexing functions.In practical implementation, analog input signal is positive and negative, passes through
The ingehious design of external circuit ensure that positive and negative signal resolution is all 4096.In hardware circuit design, it is contemplated that system can
By the Unpredictability of property and external signal, input signal increases 10% surplus in the range of standard input signal, in this way
The protection to system is reached.
STM32F207 have 2 12 bit switch analog output interface circuits, in engineering application simulation output interface be must not
It can lack.2 analog interfaces are drawn simultaneously in this system, 0-10V is converted the output by circuit design.Circuit design
In float voltage in view of zero in reality output, regulative mode is divided using potentiometer by calculating, superposition processing zero is floatd problem.
In power circuit, this system fully considers engineering practice in I/O port design, all uses to input, output
Photoelectric coupler isolation processing.Anti-interference ability and system stability have been greatly reinforced in this way.STM32F207 chip general purpose I/O
5V voltage can be born, but in order to more preferably protect system reliability, this system is converted 5V voltage using 74LVC4245A chip
For 3.3V voltage.Output interface considers the problems such as versatility, uses NPN interface mode, and maximum current ability to bear is
100mA。
As shown in fig. 6, sending variable-frequency motor, rotating speed of transmission shaft sensor, loading head, driving for the instruction of single-chip microcontroller
When head, lifting speed case and shaft coupling, signal transmission is carried out by analogue quantity output circuit, the output voltage of 15V can guarantee to believe
Number stability, anti-stop signal disturbs, and positive 15V power end connects the 28th resistance one end.Cathode 15V power end connection the
29 resistance one end, the 28th resistance other end connect the 30th adjustable resistance one end, and the 29th resistance other end connects the 30th adjustable resistance
The other end, the 30th adjustable resistance is adjustable, and end connects the 31st resistance one end, and the 31st resistance other end is separately connected the 32nd resistance one end
With the 33rd resistance one end, the 32nd resistance other end connects analog-to-digital conversion signal end, and the 33rd resistance other end connects the 34th resistance one
End, the 34th resistance other end are separately connected the 1st amplifier out and the 36th resistance one end, and the 32nd resistance one end is also connected with the 1st
Amplifier negative input, the 1st amplifier anode input terminal connect the 35th resistance one end, and the 35th resistance other end is grounded, and the 36th
The resistance other end is separately connected the 38th resistance one end and the 2nd amplifier negative input, the 3rd amplifier anode input terminal connection the
37 resistance one end, the 37th resistance other end ground connection, the 38th resistance other end and the 2nd amplifier out connect dac signal
Output end.
As shown in fig. 7, setting variable-frequency motor switching value input circuit, sends variable-frequency motor working signal by single-chip microcontroller,
The 39th resistance one end of connection and the 40th resistance one end, the 39th resistance other end and the 40th resistance after the conversion of digital-to-analogue analog-digital converter
The other end connects the 1st light emitting diode positive terminal, and the 1st light emitting diode cathode connects the 1st optocoupler electrode input end, the 1st optocoupler
Negative input connects single-chip microcontroller variable-frequency motor work order end, and the 1st optocoupler collector connects the 41st resistance one end, the 41st resistance
The other end connects 5V power end, and the 41st resistance other end is also connected with variable-frequency motor working signal input terminal, and the 1st optocoupler emitter connects
Ground,
As shown in figure 8, variable-frequency motor switching value output circuit includes: that variable-frequency motor working signal end connects the 3rd transistor
Collector, the 3rd emitter connect single-chip microcontroller variable-frequency motor working instruction signal end, the 3rd transistor base connection the 46th
Resistance one end, the 46th resistance other end are separately connected the 45th resistance one end and the 44th resistance one end, the connection of the 44th resistance other end
2nd optocoupler emitter, the 2nd optocoupler collector connect 24V power end, the 2nd optocoupler electrode input end connect the 42nd resistance one end and
43rd resistance one end, the 42nd resistance other end are separately connected the 43rd resistance other end and 5V power end, the input of the 2nd optocoupler cathode
The 3rd light emitting diode positive terminal of end connection, the 2nd light emitting diode negative pole end connect single-chip microcontroller frequency variation signal input terminal,
Rotating speed of transmission shaft sensor switching value input circuit is set, rotating speed of transmission shaft is sent by single-chip microcontroller and senses work letter
Number, connection 39-1 resistance one end and 40-1 resistance one end after the conversion of digital-to-analogue analog-digital converter, the 39-1 resistance other end
1-1 light emitting diode positive terminal is connected with the 40th resistance other end, 1-1 light emitting diode cathode is connecting 1-1 optocoupler just
Pole input terminal, 1-1 optocoupler negative input connect single-chip microcontroller rotating speed of transmission shaft and sense work order end, 1-1 optocoupler current collection
Pole connects 41-1 resistance one end, and the 41-1 resistance other end connects 5V power end, and the 41-1 resistance other end is also connected with transmission
Axis revolution speed sensing working signal input terminal, the 1st optocoupler emitter ground connection,
Rotating speed of transmission shaft sensitive switch amount output circuit includes: that rotating speed of transmission shaft sensing working signal end connects the 3rd crystal
Pipe collector, the 3rd emitter connect single-chip microcontroller variable-frequency motor working instruction signal end, the 3rd transistor base connection the
46-1 resistance one end, the 46-1 resistance other end are separately connected 45-1 resistance one end and 44-1 resistance one end, 44-1 electricity
It hinders the other end and connects 2-1 optocoupler emitter, 2-1 optocoupler collector connects 24V power end, 2-1 optocoupler electrode input end
42-1 resistance one end and 43-1 resistance one end are connected, the 42-1 resistance other end is separately connected the 43-1 resistance other end
With 5V power end, 2-1 optocoupler negative input connects 3-1 light emitting diode positive terminal, 2-1 light emitting diode negative pole end
Single-chip microcontroller rotating speed of transmission shaft transducing signal input terminal is connected,
Loading head switching value input circuit is set, loading head working signal, digital-to-analogue analog-digital converter are sent by single-chip microcontroller
Connection 39-2 resistance one end and 40-2 resistance one end, the 39-2 resistance other end and 40-2 resistance are another after conversion
End connection 1-2 light emitting diode positive terminal, 1-2 light emitting diode cathode connect 1-2 optocoupler electrode input end, 1-2
Optocoupler negative input connects single-chip microcontroller loading head work order end, and 1-2 optocoupler collector connects 41-2 resistance one end, the
The 41-2 resistance other end connects 5V power end, and the 41-2 resistance other end is also connected with loading head working signal input terminal, 1-2 light
Coupling emitter ground connection,
Loading head switching value output circuit includes: loading head working signal end connection 3-2 transistor collector, 3-2
Emitter connects single-chip microcontroller loading head working instruction signal end, and 3-2 transistor base connects 46-2 resistance one
End, the 46-2 resistance other end are separately connected 45-2 resistance one end and 44-2 resistance one end, and the 44-2 resistance other end connects
2-2 optocoupler emitter is connect, 2-2 optocoupler collector connects 24V power end, and 2-2 optocoupler electrode input end connects 42-2
Resistance one end and 43-2 resistance one end, the 42-2 resistance other end are separately connected the 43-2 resistance other end and 5V power end,
2-2 optocoupler negative input connects 3-2 light emitting diode positive terminal, and 2-2 light emitting diode negative pole end connects single-chip microcontroller
Loading head signal input part, the loading head switching value input circuit and output circuit are arranged four.
Driving head switching value input circuit is set, driving head working signal, digital-to-analogue analog-digital converter are sent by single-chip microcontroller
Connection 39-3 resistance one end and 40-3 resistance one end, the 39-3 resistance other end and 40-3 resistance are another after conversion
End connection 1-3 light emitting diode positive terminal, 1-3 light emitting diode cathode connect 1-3 optocoupler electrode input end, 1-3
Optocoupler negative input connects MCU driving head work order end, and 1-3 optocoupler collector connects 41-3 resistance one end, the
The 41-3 resistance other end connects 5V power end, and the 41-3 resistance other end is also connected with driving head working signal input terminal, 1-3 light
Coupling emitter ground connection,
Driving head switching value output circuit includes: driving head working signal end connection 3-3 transistor collector, 3-3
Emitter connects MCU driving head working instruction signal end, and 3-3 transistor base connects 46-3 resistance one
End, the 46-3 resistance other end are separately connected 45-3 resistance one end and 44-3 resistance one end, and the 44-3 resistance other end connects
2-3 optocoupler emitter is connect, 2-3 optocoupler collector connects 24V power end, and 2-3 optocoupler electrode input end connects 42-3
Resistance one end and 43-3 resistance one end, the 42-3 resistance other end are separately connected the 43-3 resistance other end and 5V power end,
2-3 optocoupler negative input connects 3-3 light emitting diode positive terminal, and 2-3 light emitting diode negative pole end connects single-chip microcontroller
Driving head signal input part,
Lifting speed case switching value input circuit is set, lifting speed case working signal is sent by single-chip microcontroller, digital-to-analogue modulus turns
Connection 39-4 resistance one end and 40-4 resistance one end, the 39-4 resistance other end and 40-4 resistance after parallel operation conversion
The other end connects 1-4 light emitting diode positive terminal, and 1-4 light emitting diode cathode connects the 1st optocoupler electrode input end, 1-
4 optocoupler negative inputs connect single-chip microcontroller lifting speed case work order end, and 1-4 optocoupler collector connects 41-4 resistance one
End, the 41-4 resistance other end connect 5V power end, and the 41-4 resistance other end is also connected with lifting speed case working signal input terminal,
1-4 optocoupler emitter ground connection,
Lifting speed case switching value output circuit includes: lifting speed case working signal end connection 3-4 transistor collector, the
3-4 emitter connects single-chip microcontroller lifting speed case working instruction signal end, and 3-4 transistor base connects 46-4 electricity
One end is hindered, the 46-4 resistance other end is separately connected 45-4 resistance one end and 44-4 resistance one end, and 44-4 resistance is another
End connection 2-4 optocoupler emitter, 2-4 optocoupler collector connect 24V power end, 2-4 optocoupler electrode input end connection the
42-4 resistance one end and 43-4 resistance one end, the 42-4 resistance other end are separately connected the 43-4 resistance other end and 5V power supply
End, 2-4 optocoupler negative input connect 3-4 light emitting diode positive terminal, and 2-4 light emitting diode negative pole end connects monolithic
Machine lifting speed case signal input part,
Shaft coupling switching value input circuit is set, shaft coupling working signal, digital-to-analogue analog-digital converter are sent by single-chip microcontroller
Connection 39-5 resistance one end and 40-5 resistance one end, the 39-5 resistance other end and 40-5 resistance are another after conversion
End connection 1-5 light emitting diode positive terminal, 1-5 light emitting diode cathode connect 1-5 optocoupler electrode input end, 1-5
Optocoupler negative input connects single-chip microcontroller shaft coupling work order end, and 1-5 optocoupler collector connects 41-5 resistance one end, the
The 41-5 resistance other end connects 5V power end, and the 41-5 resistance other end is also connected with shaft coupling working signal input terminal, 1-5 light
Coupling emitter ground connection,
Shaft coupling switching value output circuit includes: shaft coupling working signal end connection 3-5 transistor collector, 3-5
Emitter connects single-chip microcontroller shaft coupling working instruction signal end, and 3-5 transistor base connects 46-5 resistance one
End, the 46-5 resistance other end are separately connected 45-5 resistance one end and 44-5 resistance one end, and the 44-5 resistance other end connects
2-5 optocoupler emitter is connect, 2-5 optocoupler collector connects 24V power end, and 2-5 optocoupler electrode input end connects 42-5
Resistance one end and 43-5 resistance one end, the 42-5 resistance other end are separately connected the 43-5 resistance other end and 5V power end,
2-5 optocoupler negative input connects 3-5 light emitting diode positive terminal, and 2-5 light emitting diode negative pole end connects single-chip microcontroller
Shaft coupling signal input part.
The system includes following work step:
S1, the application communicated with other computers, the communication service of corresponding application program；
S2, defines data format and encryption, and FTP allows you to select to transmit with binary system or ASCII fromat；
The S2 includes: to carry out the setting operation of IP address initialization function return value, specifically, establishing the initial of IP address
Address, then establishes the gateway content of IP address and the generic domain initial value of IP address, initialization physical address be 0,0,0,0,
0,7 }, the physical address { 0,0,0,0,0,7 } is stored, setting common IP address is 192,168,0,8, gateway 255,255,
255,0, generic domain 192,168,0,1, real-time physical address is obtained according to network protocol, if the common IP address, net
Close, generic domain and the input of real-time physical address finish, data transfer instruction is executed, if the common IP address, gateway, logical
Failure, which is obtained, with domain and real-time physical address then re-starts acquisition operation,
Udp contiguous function is set, which initially sets up a new Udp control block, and then user binds local IP
Address and port numbers, user can be bundled on an arbitrary local ip address, can only be adjusted in function udp_new ()
It is connected to the network with udp return function is just capable of calling later, establishes the instruction of udp gateway functional link, it is wrong in case of connecting
Mistake then resets udp gateway function, if udp gateway function initial value is sky, by the IP address and udp gateway letter of mistake
Number interacts resetting, executes if error and solution and the sync server of udp gateway function is called to carry out data clawback, until
The success of udp gateway function setup.
In data receiver function udp_recv (), udp_connect () function is configured, the udp_connect
One specified connection (pcb) is connected to distance host by () function.Since udp communication is towards connectionless, so this is not
Any network flow of meeting parameter, network data transmitting-receiving are to be provided with an IP address and port numbers remotely connected；To udp_
Send () function is configured, which sends the data that pbuf is directed toward using udp agreement.It is needing to send
It is called when data, after transmission, which is not released.After calling the function, data packet will be sent to and be stored in
In currently assigned IP address and port numbers in pcb；Udp_disconnect () function is configured, the udp_
Disconnect () function closes the specified connection of parameter pcb, opposite with function udp_connect () effect.Since udp is logical
Letter so this function equally cannot participate in any network flow and network data transmitting-receiving, is deleted towards connectionless
The address of long-range connection；
S3, carry out data acquisition starts, controls and terminates a session, including to multiple two-way news control and pipe
Reason, to notify to apply in a part for only completing continuous meassage, thus the data for seeing expression layer be it is continuous,
If expression layer has received all data, expression layer is represented with data；
The S3 includes: when user end to server sends data, and analog input part, analog quantity turns digital quantity portion
Divide and be not used immediate data management access mode, but use traditional starting, reading manner, use immediate data pipe
When managing access mode, since excessive velocities will cause, data wild effect occurs and error is larger.Synthetical collection speed and essence
This system has used the acquisition mode of transmission after degree considers；
After analog acquisition, due to network-external signal environment and internal signal interference problem, by filtering algorithm into
Row processing obtains final network data result by digital averaging filtering+extreme value is gone to filter；Carry out analog quantity configuration, acquisition generation
Code, during analog quantity turns digital quantity, initialization data types value is carried out the automobile chassis creation data of initialization initial
Change structure setting, establish analog quantity and turn digital quantity general initialization type, single-chip microcontroller general data transfer interface GPIO into
The setting of row initialization type carries out analog input operation to the data that general data transfer interface GPIO is obtained, opens monolithic
Machine signal path, passes through
GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0；
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AIN；
GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL；
GPIO_Init(GPIOC,&GPIO_InitStructure)；
Above-mentioned work structuring carries out general data transfer interface GPIO setting, and transmits analog data, passes through simulation
The working method that amount turns digital quantity establishes general initialization structure
ADC_CommonInitStructure.ADC_Mode=ADC_Mode_Independent；
ADC_CommonInitStructure.ADC_Prescaler=ADC_Prescaler_Div6；
ADC_CommonInitStructure.ADC_DMAAccessMode=ADC_DMAAccessMode_
Disabled；
ADC_CommonInitStructure.ADC_TwoSamplingDelay=ADC_TwoSamplingDelay_
5Cycles；
ADC_CommonInit(&ADC_CommonInitStructure)；
By analog quantity turn digital quantity data structure setting carry out data scanning and extension, thus carry out data conversion and
Transmission:
ADC_StructInit(&ADC_InitStructure)；
ADC_InitStructure.ADC_Resolution=ADC_Resolution_12b；
ADC_InitStructure.ADC_ScanConvMode=DISABLE；
ADC_InitStructure.ADC_ContinuousConvMode=ENABLE；
ADC_InitStructure.ADC_ExternalTrigConvEdge=
ADC_ExternalTrigConvEdge_None；
ADC_InitStructure.ADC_DataAlign=ADC_DataAlign_Right；
ADC_InitStructure.ADC_NbrOfConversion=1；
ADC_Init(ADC3,&ADC_InitStructure)；
ADC_RegularChannelConfig(ADC3,ADC_Channel_10,1,
ADC_SampleTime_56Cycles)；
ADC_Cmd(ADC3,ENABLE)；
ADC_SoftwareStartConv(ADC3)；
The attended operation that data are carried out by VB6 connection code carries out udp gateway letter by the interface protocol of windows system
The initial ip address of distance host is arranged in several matchings, establishes the data port max-thresholds remotely connected, passes through local ethernet
It carries out the chassis-date acquisition of new-energy automobile and sends detection data, eventually by Industrial Ethernet circuit transmission to long-range whole
End carries out comprehensive collection and processing,
Winsock1.Protocol=sckUDPProtocol,
Winsock1.RemoteHost=" 192.168.0.8 "
Winsock1.RemotePort=7
Winsock1.LocalPort=7
Winsock1.Bind 7；
S4 selects Error Resiliency agreement or zero defect to restore agreement, and on the same host to the data of different application
The input of stream is multiplexed；
S5, end to end packet transmission are defined, identify the logical address of all nodes, also define the side of route implementing
The mode of formula and study；
How S6 transmits data on single chain road.Agreement interconnection is carried out by Ethernet protocol.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (7)
1. a kind of Ethernet high-speed data acquistion system characterized by comprising the transmission signal enable end of single-chip microcontroller connects work
The reading signal enable end connection single-chip microcontroller of the transmission signal receiving end of industrial Ethernet circuit, Industrial Ethernet circuit reads signal
Receiving end, single-chip microcontroller carrier sense receiving end connection Industrial Ethernet circuit carrier listen to signal sending end, and single-chip microcontroller is with reference to letter
Number end connection Industrial Ethernet circuit reference signal end.
2. Ethernet high-speed data acquistion system according to claim 1, which is characterized in that the Industrial Ethernet circuit
It include: that 3.3V power supply connects the 1st resistance one end, the 1st resistance other end connects Industrial Ethernet chip power working end, single-chip microcontroller
It sending signal enable end and connects the 2nd resistance one end, the 2nd resistance other end connects Industrial Ethernet chip and receives signal enable end,
Single-chip microcontroller the 1st sends signal end and connects the 3rd resistance one end, and the 3rd resistance other end connects Industrial Ethernet chip the 1st and receives signal
End, single-chip microcontroller the 2nd send signal end and connect the 4th resistance one end, and the 4th resistance other end connects Industrial Ethernet chip the 2nd and receives
Signal end, single-chip microcontroller the 1st receive signal end and connect the 5th resistance one end, and the 5th resistance other end connects Industrial Ethernet chip the 1st
Signal end is sent, single-chip microcontroller the 2nd receives signal end and connects the 6th resistance one end, and the 6th resistance other end connects Industrial Ethernet chip
2nd send signal end, single-chip microcontroller receive signal mode control terminal connect the 7th resistance one end, the 7th resistance other end connection industry with
Too steel wire rack piece sends signal mode control terminal, and Industrial Ethernet chip tranmitting data register signal end connects the 9th resistance one end, the 9th electricity
Other end connection zero resistance one end is hindered, the zero resistance other end connects crystal oscillator working end, the 1st capacitor, the 2nd capacitor, the 3rd electricity
Hold, one end connects Industrial Ethernet chip feedback signal terminal after the 4th capacitor is in parallel, the 1st capacitor, the 2nd capacitor, the 3rd capacitor and
After 4th capacitor is in parallel the other end connect the 5th capacitor, the 6th capacitor and the 7th capacitor it is in parallel after one end, the 5th capacitor, the 6th capacitor
The other end connects the 8th capacitor, the 9th capacitor, the 10th capacitor, the 11st capacitor, the 12nd capacitor, the 13rd electricity after in parallel with the 7th capacitor
One end after appearance, the 14th capacitor, the 15th capacitor and the 16th capacitor are in parallel, RJ45 interfaces indicator light connect Industrial Ethernet core
Piece working signal end, RJ45 interface fault indicator light connect Industrial Ethernet failure of chip signal end, and 3.3 power ends are also connected with the
19 resistance one end, the 19th resistance other end connect Industrial Ethernet chip operation signal end, and 3.3 power ends are also connected with the 20th resistance
One end, the 20th resistance other end connect Industrial Ethernet chip network speed signal end, and 3.3 power ends are also connected with the 21st resistance one end,
The 21st resistance other end connects Industrial Ethernet chip enable signal end.
3. Ethernet high-speed data acquistion system according to claim 1, which is characterized in that the single-chip microcontroller is
STM32F207。
4. Ethernet high-speed data acquistion system according to claim 1, which is characterized in that the single-chip microcontroller connection simulation
Output circuit is measured, the analogue quantity output circuit includes: that positive 15V power end connects the 28th resistance one end.Cathode 15V power end
The 29th resistance one end is connected, the 28th resistance other end connects the 30th adjustable resistance one end, and the 29th resistance other end connection the 30th can
The resistance other end is adjusted, the 30th adjustable resistance is adjustable, and end connects the 31st resistance one end, and the 31st resistance other end is separately connected the 32nd electricity
One end and the 33rd resistance one end are hindered, the 32nd resistance other end connects analog-to-digital conversion signal end, the 33rd resistance other end connection the 34th
Resistance one end, the 34th resistance other end are separately connected the 1st amplifier out and the 36th resistance one end, and the 32nd resistance one end also connects
The 1st amplifier negative input is connect, the 1st amplifier anode input terminal connects the 35th resistance one end, and the 35th resistance other end is grounded,
The 36th resistance other end is separately connected the 38th resistance one end and the 2nd amplifier negative input, and the 3rd amplifier anode input terminal connects
The 37th resistance one end, the 37th resistance other end ground connection are connect, the 38th resistance other end and the 2nd amplifier out connect digital-to-analogue conversion
Signal output end.
5. Ethernet high-speed data acquistion system according to claim 1 characterized by comprising setting variable-frequency motor
Switching value input circuit sends variable-frequency motor working signal, connection the 39th after the conversion of digital-to-analogue analog-digital converter by single-chip microcontroller
Resistance one end and the 40th resistance one end, the 39th resistance other end and the 40th resistance other end connect the 1st light emitting diode positive terminal,
1st light emitting diode cathode connects the 1st optocoupler electrode input end, and the 1st optocoupler negative input connects single-chip microcontroller variable-frequency motor work
Make command end, the 1st optocoupler collector connects the 41st resistance one end, and the 41st resistance other end connects 5V power end, and the 41st resistance is another
One end is also connected with variable-frequency motor working signal input terminal, the 1st optocoupler emitter ground connection.
6. Ethernet high-speed data acquistion system according to claim 1 characterized by comprising setting variable-frequency motor
Switching value output circuit, variable-frequency motor working signal end connect the 3rd transistor collector, and the 3rd emitter connects monolithic
Machine variable-frequency motor working instruction signal end, the 3rd transistor base connect the 46th resistance one end, and the 46th resistance other end is separately connected
45th resistance one end and the 44th resistance one end, the 44th resistance other end connect the 2nd optocoupler emitter, the connection of the 2nd optocoupler collector
24V power end, the 2nd optocoupler electrode input end connect the 42nd resistance one end and the 43rd resistance one end, the 42nd resistance other end difference
The 43rd resistance other end and 5V power end are connected, the 2nd optocoupler negative input connects the 3rd light emitting diode positive terminal, and the 2nd shines
Diode cathode end connects single-chip microcontroller frequency variation signal input terminal.
7. Ethernet high-speed data acquistion system according to claim 1, which is characterized in that the system includes following work
Step:
S1, the application communicated with other computers, the communication service of corresponding application program；
S2, defines data format and encryption, and FTP allows you to select to transmit with binary system or ASCII fromat；
The S2 includes: to carry out the setting operation of IP address initialization function return value, specifically, establishing IP address initially
Location, then establishes the gateway content of IP address and the generic domain initial value of IP address, initialization physical address be 0,0,0,0,0,
7 }, the physical address { 0,0,0,0,0,7 } is stored, setting common IP address is 192,168,0,8, gateway 255,255,255,
0, generic domain 192,168,0,1, real-time physical address is obtained according to network protocol, if the common IP address, gateway, logical
With domain and real-time physical address input finish, execute data transfer instruction, if the common IP address, gateway, generic domain and
Real-time physical address obtains failure and then re-starts acquisition operation,
Udp contiguous function is set, which initially sets up a new Udp control block, and then user binds local IP address
And port numbers, user can be bundled on an arbitrary local ip address, can only call it in function udp_new ()
It is just capable of calling udp return function afterwards to be connected to the network, establishes the instruction of udp gateway functional link, then in case of connection error
Reset udp gateway function, if udp gateway function initial value be sky, by mistake IP address and udp gateway function into
Row interaction resetting, executes if error and solution and the sync server of udp gateway function is called to carry out data clawback, until udp
The success of gateway function setup.
In data receiver function udp_recv (), udp_connect () function is configured, the udp_connect () function
One specified connection (pcb) is connected to distance host.Since udp communication is towards connectionless, so this will not parameter
Any network flow, network data transmitting-receiving are to be provided with an IP address and port numbers remotely connected；To udp_send
() function is configured, which sends the data that pbuf is directed toward using udp agreement.It is needing to send data
When call, after transmission, which is not released.After calling the function, data packet will be sent to and be stored in pcb
Currently assigned IP address and port numbers on；Udp_disconnect () function is configured, the udp_disconnect
() function closes the specified connection of parameter pcb, opposite with function udp_connect () effect.Since udp communication is towards nothing
Connection, so this function equally cannot participate in any network flow and network data transmitting-receiving, delete long-range connection
Address；
S3 carries out data acquisition and starts, controls and terminate a session, including the control and management to multiple two-way news, with
Just it can notify to apply in a part for only completing continuous meassage, so that the data for seeing expression layer are continuous, if
Expression layer has received all data, then represents expression layer with data；
The S3 includes: when user end to server sends data, and analog input part, analog quantity turns digital quantity part simultaneously
Unused immediate data management access mode, but traditional starting, the reading manner of use, are visited using immediate data management
When asking mode, since excessive velocities will cause, data wild effect occurs and error is larger.Synthetical collection speed and precision is examined
This system has used the acquisition mode of transmission after worry；
After analog acquisition, due to network-external signal environment and internal signal interference problem, at filtering algorithm
Reason obtains final network data result by digital averaging filtering+extreme value is gone to filter；Analog quantity configuration, acquisition code are carried out,
During analog quantity turns digital quantity, initialization data types value initializes the automobile chassis creation data of initialization
Structure setting establishes analog quantity and turns digital quantity general initialization type, carries out in the general data transfer interface GPIO of single-chip microcontroller
Initialization type setting carries out analog input operation to the data that general data transfer interface GPIO is obtained, opens single-chip microcontroller
Signal path passes through
GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0；
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AIN；
GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL；
GPIO_Init(GPIOC,&GPIO_InitStructure)；
Above-mentioned work structuring carries out general data transfer interface GPIO setting, and transmits analog data, is turned by analog quantity
The working method of digital quantity establishes general initialization structure
ADC_CommonInitStructure.ADC_Mode=ADC_Mode_Independent；
ADC_CommonInitStructure.ADC_Prescaler=ADC_Prescaler_Div6；
ADC_CommonInitStructure.ADC_DMAAccessMode=ADC_DMAAccessM ode_Disabled；
ADC_CommonInitStructure.ADC_TwoSamplingDelay=ADC_TwoSamp lingDelay_
5Cycles；
ADC_CommonInit(&ADC_CommonInitStructure)；
Turn the scanning and extension that the setting of digital quantity data structure carries out data by analog quantity, to carry out data conversion and biography
It is defeated:
ADC_StructInit(&ADC_InitStructure)；
ADC_InitStructure.ADC_Resolution=ADC_Resolution_12b；
ADC_InitStructure.ADC_ScanConvMode=DISABLE；
ADC_InitStructure.ADC_ContinuousConvMode=ENABLE；
ADC_InitStructure.ADC_ExternalTrigConvEdge=
ADC_ExternalTrigConvEdge_None；
ADC_InitStructure.ADC_DataAlign=ADC_DataAlign_Right；
ADC_InitStructure.ADC_NbrOfConversion=1；
ADC_Init(ADC3,&ADC_InitStructure)；
ADC_RegularChannelConfig(ADC3,ADC_Channel_10,1,
ADC_SampleTime_56Cycles)；
ADC_Cmd(ADC3,ENABLE)；
ADC_SoftwareStartConv(ADC3)；
The attended operation that data are carried out by VB6 connection code carries out udp gateway function by the interface protocol of windows system
The initial ip address of distance host is arranged in matching, establishes the data port max-thresholds remotely connected, is carried out by local ethernet
The chassis-date of new-energy automobile acquires and sends detection data, eventually by Industrial Ethernet circuit transmission to remote terminal into
Row comprehensive collection and processing,
Winsock1.Protocol=sckUDPProtocol,
Winsock1.RemoteHost=" 192.168.0.8 "
Winsock1.RemotePort=7
Winsock1.LocalPort=7
Winsock1.Bind 7；
S4 selects Error Resiliency agreement or zero defect to restore agreement, and on the same host to the data flow of different application
Input is multiplexed；
S5, end to end packet transmission be defined, identify the logical address of all nodes, also define route implementing mode and
The mode of study；
How S6 transmits data on single chain road.Agreement interconnection is carried out by Ethernet protocol.
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| Application Number | Priority Date | Filing Date | Title |
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