CN106130854A - Industrial process control system based on industry internet - Google Patents
Industrial process control system based on industry internet Download PDFInfo
- Publication number
- CN106130854A CN106130854A CN201610467002.0A CN201610467002A CN106130854A CN 106130854 A CN106130854 A CN 106130854A CN 201610467002 A CN201610467002 A CN 201610467002A CN 106130854 A CN106130854 A CN 106130854A
- Authority
- CN
- China
- Prior art keywords
- data
- processor
- signal
- address
- timeslice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40032—Details regarding a bus interface enhancer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of industrial process control system based on industry internet, including: the first Ethernet transducer, be converted to ethernet frame signal for the standard ethernet signal transmitted by category 5 twisted pair；Digital-to-analogue conversion parts, for by ethernet frame signal through digital-to-analogue conversion be electric power transmission digital format signal；Processing component, for digital format signal is carried out rectifying and wave-filtering amplification, obtains the signal after meeting broadband power line specification；Two wires cable, meets the signal of broadband power line specification at least one commercial plant connected for transmission.The industrial process control system based on industry internet that the present invention provides, it is not necessary to transformation industrial bus, can realize supporting ethernet technology on the cable of two wires.
Description
Technical field
The present invention relates to communication technical field, particularly relate to industrial process control system based on industry internet.
Background technology
At industrial control field, along with the development of ethernet communication technology, it gradually replaces traditional industrial field bus
Technology, transmits industrial control data.
Traditional industry in controlling more uses bus transfer technology (such as PROFIBUS (Process Field Bus, process
Fieldbus), Modbus (Modbus protocol, Modbus communications protocol), can (Controller Area Network,
Controller local area network) etc.) transmission data.And bus transfer technology many employings two-wire system network structure, and Ethernet generally makes
Data are transmitted with category 5 twisted pair.In order to by CSMA/CD technical transmission data, be necessarily required to transform two-wire system network structure
Become and meet the category 5 twisted pair of ethernet network structure, this transformation the most time-consumingly, the most laborious.
So, need a kind of new industrial process control system based on industry internet, it is possible to realize not by two-wire system
The network rebuilding becomes category 5 twisted pair.
Summary of the invention
Embodiments provide industrial process control system based on industry internet.In order to solve to presently, there are
If supporting the problem that industrial bus must be transformed into category 5 twisted pair by ethernet technology.
Embodiments provide a kind of industrial process control system based on industry internet, including:
First Ethernet transducer, the standard ethernet signal for being transmitted by category 5 twisted pair is converted to ethernet frame letter
Number；
Digital-to-analogue conversion parts, for being converted to the digital lattice of electric power transmission by ethernet frame signal through digital-to-analogue conversion parts
Formula signal；
Processing component, for carrying out rectifying and wave-filtering amplification by digital format signal, after obtaining meeting broadband power line specification
Signal；
Two wires cable, meets the signal of broadband power line specification at least one commercial plant connected for transmission.
Further, described system also includes:
Power line coupling circuit, can for being passed to by the programmable logic controller (PLC) waveform of the low-voltage high-frequency on the cable of two wires
Programmed logic controller AFE (analog front end)；
Programmable logic controller (PLC) AFE (analog front end), for filtering the signal received beyond PLC by band filter
Signal after pass to amplifilter；
Amplifilter, passes to ADC after being amplified signal, filtering；
Digital to analog converter, for being converted to digital signal and passing to the second Ethernet transducer by the signal of reception；
Second Ethernet transducer, for being converted to ethernet frame signal, and by ethernet frame signal by the signal of reception
Be converted to be suitable for the standard ethernet signal of category 5 twisted pair transmission.
Further, described two wires cable include following at least one: be applicable to the two wires cable of Profibus, suitable
For CAN two wires cable, be applicable to the two wires cable of Modbus, RS485 bus, be applicable to HART two wires cable, be suitable for
In FSK (Frequency-shift keying, frequency shift keying) two wires cable, be applicable to FF (Fieldbus
Foundation, foundation fieldbus) two wires cable.
Further, described system also includes:
First processor, is connected with described two wires cable, and the timeslice sent for receiving the second processor obtains request,
Described timeslice obtains request and includes the data volume of data to be transmitted；Data volume according to described data to be transmitted and not dividing
The timeslice joined, distributes timeslice for described data to be transmitted, it is thus achieved that timeslice distribution information；Information is distributed by described timeslice
It is sent to described second processor, so that described second processor distributes information according to described timeslice, sends described to be transmitted
Data；
Second processor, is connected with described two wires cable, obtains request to the first process for sending the timeslice of generation
Device；Described timeslice obtains request and includes the data volume of data to be transmitted；Receive the timeslice distribution that first processor sends
Information；Distribute information according to described timeslice, send described data to be transmitted.
Further, described first processor and the second processor, specifically include:
OFDM unit, is used for using orthogonal frequency division multiplexi to send data to be transmitted to described two wires line
Cable.
Further, described first processor, also include:
Type identification determines unit, after being used for obtaining pending configuration information, according to preset configuration information and type mark
The corresponding relation known, determines the type identification that described pending configuration information is corresponding, and described type identification is for representing at second
The device type of reason device；
Search unit, for search from preset three-dimensional corresponding relation the IP address corresponding with the type identification determined and
MAC Address；
Configuration information processing unit, for generate for the purpose of the MAC Address found MAC Address, with the IP found
IP for the purpose of address, and carry the message of described pending configuration information, and described message is sent to and the type mark determined
Know the second corresponding processor, so that described second processor performs corresponding configuration operation according to described configuration information.
Further, described first processor also includes:
Three-dimensional corresponding relation signal generating unit, for according to the described three-dimensional corresponding relation of following methods generation:
Receive the IP address acquisition request that the second processor sends；The request of described IP address acquisition includes at described second
The MAC Address of reason device and type identification；
Distribute IP address for described second processor, and generate the institute of described type identification, described MAC Address and distribution
State the three-dimensional corresponding relation between IP address.
Further, described second processor also includes:
Configuration information receives unit, for receiving the message carrying pending configuration information that first processor sends, institute
State message and include target MAC (Media Access Control) address and purpose IP address；
Dispensing unit, for determining that described target MAC (Media Access Control) address is identical with the MAC Address of self, and described IP address and oneself
When the IP address of body is identical, perform corresponding configuration operation according to described pending configuration information.
Further, described first processor also includes:
Host node receives unit, for receiving the data that data transmission set sends；
Host node detector unit, special for detecting at least one whether contained in described data in preset data feature database
Levy；
Host node the first processing unit, if the testing result for detection part is yes, then confirms that described data are legal
Data；
Host node the second processing unit, if the testing result for detection part is no, then alert.
Further, described second processor also includes:
From endpoint transceiver unit, for receiving the data that data transmission set sends；
From nodal test unit, special for detecting at least one whether contained in described data in preset data feature database
Levy；
From node the first processing unit, if the testing result for detection part is yes, then confirm that described data are legal
Data；
From node the second processing unit, if the testing result for detection part is no, then alert.The present invention
Having the beneficial effect that: in the embodiment of the present invention, the standard ethernet transmitted by category 5 twisted pair by the first Ethernet transducer is believed
Number be converted to ethernet frame signal, and obtain meeting the signal of broadband power line specification so that in two wires through a series of process
Cable transmits, so, just achieves without transforming traditional industry bus cable, it is also possible to support ethernet technology.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing briefly introduce, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for this
From the point of view of the those of ordinary skill in field, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 show the structural representation of industrial process control system based on industry internet described in the embodiment of the present invention
One of figure；
Fig. 2 show the structural representation of industrial process control system based on industry internet described in the embodiment of the present invention
The two of figure；
Fig. 3 show the structural representation of industrial process control system based on industry internet described in the embodiment of the present invention
The three of figure；
Fig. 4 show described in the embodiment of the present invention in industrial process control system based on industry internet first at
The structural representation of reason device；
Fig. 5 show described in the embodiment of the present invention in industrial process control system based on industry internet second at
The structural representation of reason device.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing the present invention made into
One step ground describes in detail, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole enforcement
Example.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
All other embodiments, broadly fall into the scope of protection of the invention.
As it is shown in figure 1, it is industrial process control system based on industry internet described in embodiment of the present invention offer
One of structural representation, including:
First Ethernet transducer 101, is converted to ethernet frame for the standard ethernet signal transmitted by category 5 twisted pair
Signal；
Digital-to-analogue conversion parts 102, for believing ethernet frame signal through the number format that digital-to-analogue conversion is electric power transmission
Number；
Processing component 103, for digital format signal is carried out rectifying and wave-filtering amplification, obtains meeting broadband power line specification
After signal；
Wherein, in one embodiment, broadband power line specification such as homeplug AV.Homeplug AV specification is one
Planting the broadband access technology being connected to family, it utilizes in existing AC distribution net, low-voltage power line, transmits and accesses because of spy
The wideband data of net.
Two wires cable 104, meets the signal of broadband power line specification at least one commercial plant connected for transmission.
Wherein, two wires cable 104 connects and has each equipment (including control equipment and data transmission set), so, two
Line cable 104 can transmit a signal to its at least one equipment connected.
So, in the embodiment of the present invention, the standard ethernet transmitted by category 5 twisted pair by the first Ethernet transducer is believed
Number be converted to ethernet frame signal, and obtain meeting the signal of broadband power line specification so that in two wires through a series of process
Cable transmits, so, just achieves without transforming traditional industry first processor bus cable, it is also possible to support Ethernet skill
Art.
The structure of the two-wire system data transmission network shown in Fig. 1 is for sending a signal to the equipment of lower company, such as Fig. 2 institute
Showing, for the two of the structural representation of this two-wire system data transmission network, this structure, for receiving the signal that lower attached device sends, has
Including of body:
Power line coupling circuit 105, for passing the programmable logic controller (PLC) waveform of the low-voltage high-frequency on the cable of two wires
To programmable logic controller (PLC) AFE (analog front end) 106；
Programmable logic controller (PLC) AFE (analog front end) 106, for by the signal received by band filter filter PLC with
Amplifilter is passed to after outer signal；
Amplifilter 107, passes to ADC after being amplified signal, filtering；
Digital to analog converter 108, for being converted to digital signal and passing to the second too network switch by the signal of reception；
Second Ethernet transducer 109, for the signal of reception is converted to ethernet frame signal, and believes ethernet frame
Number be converted to be suitable for the standard ethernet signal of category 5 twisted pair transmission.
Further, described two wires cable include following at least one: be applicable to the two wires cable of Profibus, suitable
For CAN two wires cable, be applicable to the two wires cable of Modbus, 485 buses, be applicable to the two wires cable of HART, be applicable to
The two wires cable of FSK, it is applicable to the two wires cable of FF.
So, be converted to be suitable for the standard ethernet signal reality that category 5 twisted pair transmits by PLC waveform by a series of process
It is now able to support that two line cable signal are transmitted by category 5 twisted pair so that the industrial control system in the embodiment of the present invention can
The outer net exchange with applicable category 5 twisted pair actively, so, just achieves without transforming traditional industry bus cable, it is also possible to
Support the ethernet technology mutual with outer net.
Wherein, in one embodiment, owing to using CSMA/CD technology in existing industrial control field so that arbitrary
Node must carry out collision detection when sending data, if detecting, conflict just can not send data, when needing to continue waiting for one section
Between, and the duration of the time that this section waits is uncertain, so causing CSMA/CD technology to there is the transmission time sending data
Uncertain.Especially when network burden is heavier, this uncertainty, it is difficult to be applicable to Industry Control, data transmission is sent out
Send the requirement of time determinability.In the embodiment of the present invention, in the present system, in order to ensure the time determinability of the data sent,
As it is shown on figure 3, described system also includes:
First processor 110, is connected with described two wires cable, and the timeslice sent for receiving the second processor obtains please
Asking, described timeslice obtains request and includes the data volume of data to be transmitted；Data volume according to described data to be transmitted and
Unappropriated timeslice, distributes timeslice for described data to be transmitted, it is thus achieved that timeslice distribution information；Described timeslice is distributed
Information is sent to described second processor, so that described second processor distributes information according to described timeslice, treats described in transmission
Transmission data；
Wherein, in one embodiment, the limited amount that a timeslice can be transmitted, according to the data of data to be transmitted
Amount may determine that distributes how long sheet.So, timeslice distribution information can include the timeslice of each timeslice of distribution
Mark, determines self to take which timeslice for the second processor.
Second processor 111, is connected with described two wires cable, asks to first for sending the timeslice acquisition of generation
Reason device；Described timeslice obtains request and includes the data volume of data to be transmitted；The timeslice receiving first processor transmission is divided
Join information；Distribute information according to described timeslice, send described data to be transmitted.
So, first processor obtains request according to the timeslice of the second processor, is the second processor distribution timeslice,
So that the second processor can send data to be transmitted according to the timeslice distributed for self.So, the second processor is according to the time
Sheet transmission data, it is also possible to ensure the time determinability of data transmission.
Wherein, in one embodiment, in order to realize important data to be transmitted prioritised transmission, described timeslice obtains please
Also include the Data Identification of described data to be transmitted in asking so that described first processor according to this Data Identification determine described in treat
The grade of transmission of transmission data.The grade of transmission corresponding by important data to be transmitted is the highest, the number that grade of transmission is high
According to preferentially distributing timeslice, thus realize important high priority data and send.So, as shown in Figure 4, described first processor can have
Body includes
Priority determining unit 401, for the corresponding relation according to the Data Identification prestored with transmission priority, determines institute
State the transmission priority that data to be transmitted mark is corresponding；
Wherein, in one embodiment, Data Identification can be the mark representing type of service, and such as, Data Identification is used
Distinguish pressure sensor data, temperature sensor data etc..As shown in table 1 showing for Data Identification and corresponding priority
Example, certainly, it should be noted that table 1, only for the embodiment of the present invention is described, is not intended to limit the present invention embodiment.
Table 1
| Data Identification | Priority | Explanation |
| 1 | High | Pressure transducer |
| 2 | Low | Device log |
Timeslice allocation unit 402, for according to the transmission priority determined, the data volume of described data to be transmitted and
Unappropriated timeslice, distributes timeslice for described data to be transmitted, it is thus achieved that timeslice distribution information.
Wherein, in one embodiment, industrial control data includes real-time data and non real-time nature data, wherein,
Real-time data is the data having transmission time determinability demand, rather than real-time data is without transmission time determinability demand
Data.In order to effective utilization processes resource, by real-time data prioritised transmission, in the embodiment of the present invention, second processes
Device may particularly include and obtains request with lower unit for generating described timeslice, as shown in Figure 5:
Timeslice obtains request signal generating unit 501, after being used for obtaining data to be transmitted, according to described data to be transmitted
Data Identification, determines whether described data to be transmitted is the data having time deterministic demand；The most then generate described timeslice
Obtain request.So, may determine which data needs to generate timeslice and obtains request, for this kind of number according to Data Identification
According to, obtain request to first processor to obtain timeslice by sending timeslice, it is ensured that the transmission time of such data
Determine that.And for non real-time nature data, it is not necessary to generate and send timeslice and obtain request, so the second process can be saved
The process resource of the i.e. first processor of device.
Wherein, in one embodiment, data are sent for the ease of the second processor according to the timeslice of distribution, it is ensured that number
According to the time determinability of transmission, as it is shown in figure 5, the second processor may particularly include:
Detector unit 502, is used for for each timeslice in described timeslice distribution information, when detecting whether to arrive this
Between triggered time of sheet；
Transmitting element 503, if the testing result for detector unit 502 is yes, then sends described to be passed in this timeslice
Transmission of data.
Wherein, in one embodiment, if detector unit 502 judged result is no, then detection can be continued, until judging
Trigger transmission parts when result is for being and perform operation.
Wherein, in one embodiment, for each second processor, when this second processor can not take all of
Between sheet (such as in 1 hour, part-time timeslice may be only had and be allocated to this node).So, in order to improve
The work efficiency of the second processor, also can send non real-time nature data in the time interval between the timeslice of distribution, this
In bright embodiment, the second processor can also include:
Process of aggregation unit 504, for adding to described timeslice distribution information in timeslice distribution information aggregate；
Detector unit 505, for monitoring the time whether current time is included in described timeslice distribution information aggregate
In sheet；
Transmission free time judging unit 506, if the judged result for detection part is no, then judges whether self locates
In transmission free time；
Wherein, so-called transmission free time, refer to this time predefines to transmit which data.That is, this time
Between the data that require of not free definitiveness need transmission.
Wherein, the most individual, it is judged that self whether being in transmission free time can be true according to prior art
Fixed, this is not repeated by the embodiment of the present invention.
Non real-time nature data transmission unit 507, if for being in transmission free time, then using CSMA/CD (Carrier
Sense Multiple Access with Collision Detection, csma/cd skill
Art) transmission non real-time nature data.
So, in the embodiment of the present invention, the second processor uses CSMA/CD to transmit non real-time nature number in transmission free time
According to (i.e. without transmitting the data of time determinability demand), transmit real-time data when there being timeslice, it is achieved reasonable arrangement is various
The transmission strategy of data, improves the efficiency of data transmission.
Wherein, in one embodiment, being also possible to the data produced due to accident in industrial stokehold, some is dashed forward
The data of the event of sending out need transmission in time, to this end, in the embodiment of the present invention, the second processor can also include:
Accident determines unit 508, after being used for obtaining data to be transmitted, according to the data mark of described data to be transmitted
Know, determine that whether described data to be transmitted is the data of preset accident；
Incident data transmitting element 509, if for the data of preset accident, then starts to transmit described preset
The data of accident.
So, in the embodiment of the present invention when running into the data of preset accident, the time no matter current time is corresponding
The data of sheet whether available for transmission, all preferential data sending preset accident, it is possible to ensure the number of important accident
According to prioritised transmission, it is ensured that industrial process first processor is smoothed out.
Wherein, in one embodiment, if not the data of preset accident, then request can be obtained by triggered time sheet
Generating unit 501 performs the Data Identification according to described data to be transmitted, determines whether described data to be transmitted is to have the time true
The data of qualitative demand；The most then generate described timeslice and obtain the operation of request.
Wherein, in one embodiment, as it is shown on figure 3, described first processor and the second processor, specifically include:
OFDM unit 112, is used for using orthogonal frequency division multiplexi to send data to be transmitted to described two wires
Cable.
Wherein, in one embodiment, for the ease of first processor, the second processor is carried out information configuration, this
In bright embodiment, as shown in Figure 4, described first processor, also include:
Type identification determines unit 403, after being used for obtaining pending configuration information, according to preset configuration information and type
The corresponding relation of mark, determines the type identification that described pending configuration information is corresponding, and described type identification is used for expression second
The device type of processor；
Search unit 404, for searching the IP ground corresponding with the type identification determined from preset three-dimensional corresponding relation
Location and MAC Address；
Configuration information processing unit 405, for generate for the purpose of the MAC Address found MAC Address, with find
IP for the purpose of IP address, and carry the message of described pending configuration information, and described message is sent to and the type determined
The second processor that mark is corresponding, so that described second processor performs corresponding configuration operation according to described configuration information.
Wherein, in one embodiment, device type e.g. temperature sensor, pressure transducer, flow transducer etc.
The terminal that can be used in industrial stokehold carry out configuring all is applicable to the embodiment of the present invention.
Wherein, in one embodiment, preset configuration information can be as shown in table 2 with the corresponding relation of type identification,
Certainly, table 2 is only used for the embodiment of the present invention is described, is not intended to limit the present invention embodiment.
Table 2
| Configuration information | Type identification | Explanation |
| ***** | 1-1 | Pressure transducer 1 |
| ***** | 1-2 | Pressure transducer 2 |
| ***** | 2 | Temperature sensor |
Certainly, when being embodied as, configuration information can carry type identification, then configuration information is right with type identification
Should be related to, be included in configuration information, be also applied for the embodiment of the present invention.
Wherein, three-dimensional corresponding relation refers to the three-dimensional corresponding relation between type identification, MAC Address and IP address three.
Wherein, three-dimensional corresponding relation in one embodiment, can be manually to set up, be such as manually each controlled end
Behind end configuration of IP address, set up three-dimensional corresponding relation.
Wherein, in one embodiment, in order to relative to manual allocation IP address, it is possible to increase the effect of distribution IP address
Rate, and realize automatically setting up three-dimensional corresponding relation, in the embodiment of the present invention, as shown in Figure 4, first processor also includes:
Three-dimensional corresponding relation signal generating unit 406, for generating described three-dimensional corresponding relation according to following methods: receive second
The IP address acquisition request that processor sends；The request of described IP address acquisition include the MAC Address of described second processor with
And type identification.Distribute IP address for described second processor, and generate described type identification, described MAC Address and distribution
Described IP address between three-dimensional corresponding relation.
Wherein, in one embodiment, the IP address acquisition request that the second processor sends, tool are received described in step A1
Body includes: receive the IP address acquisition request that the second processor sends according to DHCP.
Wherein, in one embodiment, first processor can process for described second according to DHCP
Device distribution IP address.
Wherein, in one embodiment, accordingly, configuration letter is sent for the ease of the second processor according to first processor
Breath configures, as it is shown in figure 5, described second processor also includes:
Configuration information receives unit 510, for receiving the message carrying pending configuration information that first processor sends,
Described message includes target MAC (Media Access Control) address and purpose IP address；
Dispensing unit 511, for determining that described target MAC (Media Access Control) address is identical with the MAC Address of self, and described IP address and
When the IP address of self is identical, perform corresponding configuration operation according to described pending configuration information.
Wherein, in one embodiment, three-dimensional corresponding relation is set up for the ease of first processor, in the embodiment of the present invention
Second processor can also send IP address acquisition and ask to described first processor；The request of described IP address acquisition includes institute
State MAC Address and the type identification of the second processor；So that described second processor distributes IP address and generates described type
Mark, three-dimensional corresponding relation between described MAC Address and the described IP address of distribution.
Wherein, in one embodiment, in prior art, in order to ensure the data safety of transmission, it is common that by passing
Defeated data are transmitted after being encrypted, and this ensure that data are not tampered with in transmitting procedure, but the initial data of encryption is
No safety there is no guarantee that.Such as, present sensor (such as pressure transducer, temperature sensor) is more and more intelligent, gathers
Data the most encrypted before by sensor distort (such as distorted by the rogue program in sensor, sensor abnormality will
Data tampering etc.).So, in order to improve the safety of transmission data further in the embodiment of the present invention, as shown in Figure 4, described
First processor also includes:
Host node receives unit 407, for receiving the data that data transmission set sends；
Host node detector unit 408, for detecting at least whether contained in described data in preset data feature database
Bar feature；
Host node the first processing unit 409, if the testing result for detection part is yes, then confirms that described data are for closing
Method data；
Host node the second processing unit 410, if the testing result for detection part is no, then alert.
Wherein, in one embodiment, if first processor confirms that described data are valid data, then can be to described master
Machine carries out subsequent treatment, such as, if these data need to be transferred to next equipment, then these data is sent.If desired basis
Self is controlled by these data, then carry out corresponding operating according to these data.
Wherein, in one embodiment, warning message can include the source of these data, in order to staff is according to this
Warning message carries out respective handling.
Wherein, in one embodiment, as shown in Figure 4, first processor can also include:
Host node preset data feature database sets up unit 411, for setting up described preset data characteristics according to following methods
Storehouse: gather at least one sample data for setting up preset data feature database from data transmission set, form sample data
Set；；According to sample data sets, obtain at least one in data below characteristic information: data transmission set sends data
Time data duration distribution characteristics, data transmission set sends the data volume distribution characteristics of data, data transmission set and sends out
That send data sends Time-distribution, the appointment numerical range feature of data, data transmission set mark, procotol letter
The type of service etc. that breath, described data are corresponding；According to the data characteristic information obtained, generate described preset data feature database.
Such as, if data transmission set includes pressure transducer, temperature sensor and flow transducer, then from these numbers
According to transmission equipment gathering corresponding data as sample data, formation sample data sets.
For ease of understanding, illustrate here and above-mentioned each data characteristic information illustrated:
(1), data duration distribution characteristics during data transmission set transmission data:
Such as, some data transmission set is different according to type of service, and when sending data, the time persistently sent is not every time
With, such as data transmission set A sends data duration 1 minute every time, and data transmission set B sends data every time and continues
30 seconds time.
(2), the data volume distribution characteristics of data transmission set transmission data:
Such as, data transmission set A sends data T1, data T2, and the data volume of data T1 is T1 ', the data of data T2
Amount is T2 '.Then data transmission set A data volume distribution characteristics is T1 ' and T2 '.During it is also preferred that the left this distribution characteristics can also include
Between section, such as time period 1 send data T1, then the data volume of time period 1 correspondence is T1 ', and in like manner, the time period 1 sends data T2,
Then the data volume of time period 2 correspondence is T2 '.
(3), data transmission set sends the transmission Time-distribution of data
Such as, data transmission set A, data are generally sent when time TIME1, TIME2, TIME3, TIME4.So connect
Receive data that data transmission set A sends at TIME5 just for abnormal data.
(4), the numerical range feature of appointment data:
Such as, the numerical value that pressure transducer detects is generally in the range of certain numerical value, then for the number of pressure transducer
According to, its data characteristics should be this numerical range.Certainly, more finely dividing, the numerical range of different pressures sensor can not
With.
(5), data transmission set mark:
This data transmission set mark is the mark that can uniquely identify this equipment, such as MAC (Media Access
Control, physical address) address, IP (Internet Protocol, the agreement of interconnection between network) address etc..
(6), network protocol message:
Such as, UDP (User Datagram Protocol, UDP), TCP (Transmission
Control Protocol, transmission control protocol) etc. procotol.
(7), the type of service that described data are corresponding:
This type of service e.g. flow detection, temperature detection, velocity measuring, pressure detecting etc..When being embodied as, user
Can define type of service according to actual needs, all be applicable to the embodiment of the present invention, this is not limited by the embodiment of the present invention.
Wherein, in one embodiment, as it is shown in figure 5, carry out feature for ease of second processor data to receiving
Detection, ensures data safety, and described second processor also includes:
From endpoint transceiver unit 512, for receiving the data that data transmission set sends；
From nodal test unit 513, for detecting at least whether contained in described data in preset data feature database
Bar feature；
From node the first processing unit 514, if the testing result for detection part is yes, then confirm that described data are for closing
Method data；
From node the second processing unit 515, if the testing result for detection part is no, then alert.
Wherein, in one embodiment, the second processor can also set up preset data feature database, its perform method and
First processor is identical, does not repeats them here.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an industrial process control system based on industry internet, it is characterised in that including:
First Ethernet transducer, is converted to ethernet frame signal for the standard ethernet signal transmitted by category 5 twisted pair；
Digital-to-analogue conversion parts, for by ethernet frame signal through digital-to-analogue conversion be electric power transmission digital format signal；
Processing component, for digital format signal is carried out rectifying and wave-filtering amplification, obtains the letter after meeting broadband power line specification
Number；
Two wires cable, meets the signal of broadband power line specification at least one commercial plant connected for transmission.
System the most according to claim 1, it is characterised in that described system also includes:
Power line coupling circuit, for passing to able to programme by the programmable logic controller (PLC) waveform of the low-voltage high-frequency on the cable of two wires
Logic controller AFE (analog front end)；
Programmable logic controller (PLC) AFE (analog front end), for filtering the letter beyond PLC by the signal received by band filter
Amplifilter is passed to after number；
Amplifilter, passes to ADC after being amplified signal, filtering；
Digital to analog converter, for being converted to digital signal and passing to the second too network switch by the signal of reception；
Second Ethernet transducer, for the signal of reception is converted to ethernet frame signal, and changes ethernet frame signal
The standard ethernet signal transmitted for applicable category 5 twisted pair.
System the most according to claim 1, it is characterised in that described two wires cable include following at least one: suitable
For Profibus two wires cable, be applicable to the two wires cable of CAN, be applicable to the two wires cable of Modbus, 485 buses, suitable
For HART two wires cable, be applicable to frequency shift keyed two wires cable, be applicable to the two wires cable of foundation fieldbus.
System the most according to claim 1, it is characterised in that described system also includes:
First processor, is connected with described two wires cable, and the timeslice sent for receiving the second processor obtains request, described
Timeslice obtains request and includes the data volume of data to be transmitted；Data volume according to described data to be transmitted and unappropriated
Timeslice, distributes timeslice for described data to be transmitted, it is thus achieved that timeslice distribution information；Described timeslice distribution information is sent
To described second processor, so that described second processor distributes information according to described timeslice, send described data to be transmitted；
Second processor, is connected with described two wires cable, obtains request to first processor for sending the timeslice of generation；Institute
State timeslice and obtain the data volume asking to include data to be transmitted；Receive the timeslice distribution information that first processor sends；
Distribute information according to described timeslice, send described data to be transmitted.
System the most according to claim 4, it is characterised in that described first processor and the second processor, specifically includes:
OFDM unit, is used for using orthogonal frequency division multiplexi to send data to be transmitted to described two wires cable.
System the most according to claim 4, it is characterised in that described first processor, also includes:
Type identification determines unit, after being used for obtaining pending configuration information, according to preset configuration information and type identification
Corresponding relation, determines the type identification that described pending configuration information is corresponding, and described type identification is for representing the second processor
Device type；
Search unit, for searching the IP address corresponding with the type identification determined and MAC from preset three-dimensional corresponding relation
Address；
Configuration information processing unit, for generate for the purpose of the MAC Address found MAC Address, with the IP address found
For the purpose of IP, and carry the message of described pending configuration information, and described message be sent to and the type identification pair determined
The second processor answered, so that described second processor performs corresponding configuration operation according to described configuration information.
System the most according to claim 6, it is characterised in that described first processor also includes:
Three-dimensional corresponding relation signal generating unit, for according to the described three-dimensional corresponding relation of following methods generation:
Receive the IP address acquisition request that the second processor sends；The request of described IP address acquisition includes described second processor
MAC Address and type identification；
Distribute IP address for described second processor, and generate the described IP of described type identification, described MAC Address and distribution
Three-dimensional corresponding relation between address.
System the most according to claim 6, it is characterised in that described second processor also includes:
Configuration information receives unit, for receiving the message carrying pending configuration information that first processor sends, described report
Literary composition includes target MAC (Media Access Control) address and purpose IP address；
Dispensing unit, for determining that described target MAC (Media Access Control) address is identical with the MAC Address of self, and described IP address and self
When IP address is identical, perform corresponding configuration operation according to described pending configuration information.
System the most according to claim 4, it is characterised in that described first processor also includes:
Host node receives unit, for receiving the data that data transmission set sends；
Host node detector unit, for detecting at least one feature whether contained in described data in preset data feature database；
Host node the first processing unit, if the testing result for detection part is yes, then confirms that described data are valid data；
Host node the second processing unit, if the testing result for detection part is no, then alert.
System the most according to claim 4, it is characterised in that described second processor also includes:
From endpoint transceiver unit, for receiving the data that data transmission set sends；
From nodal test unit, for detecting at least one feature whether contained in described data in preset data feature database；
From node the first processing unit, if the testing result for detection part is yes, then confirm that described data are valid data；
From node the second processing unit, if the testing result for detection part is no, then alert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467002.0A CN106130854A (en) | 2016-06-23 | 2016-06-23 | Industrial process control system based on industry internet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467002.0A CN106130854A (en) | 2016-06-23 | 2016-06-23 | Industrial process control system based on industry internet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106130854A true CN106130854A (en) | 2016-11-16 |
Family
ID=57269540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610467002.0A Pending CN106130854A (en) | 2016-06-23 | 2016-06-23 | Industrial process control system based on industry internet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106130854A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2316226A1 (en) * | 2008-08-08 | 2011-05-04 | Powermax Global LLC | Reliable, long-haul data communications over power lines for meter reading and other communications services |
| CN102833168A (en) * | 2012-08-31 | 2012-12-19 | 北京东土科技股份有限公司 | Data transmission method and device based on time triggering mechanism |
| CN103178873A (en) * | 2011-12-20 | 2013-06-26 | 西安迅腾科技有限责任公司 | Narrow-band high-speed communication system based on low-voltage power line carriers |
| CN103327508A (en) * | 2013-07-09 | 2013-09-25 | 武汉虹信通信技术有限责任公司 | Access system for transmitting wireless signals and Ethernet signals by power line |
| CN104079444A (en) * | 2013-03-27 | 2014-10-01 | 西门子公司 | Method and device for detecting depth of industrial Ethernet data frame |
-
2016
- 2016-06-23 CN CN201610467002.0A patent/CN106130854A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2316226A1 (en) * | 2008-08-08 | 2011-05-04 | Powermax Global LLC | Reliable, long-haul data communications over power lines for meter reading and other communications services |
| CN103178873A (en) * | 2011-12-20 | 2013-06-26 | 西安迅腾科技有限责任公司 | Narrow-band high-speed communication system based on low-voltage power line carriers |
| CN102833168A (en) * | 2012-08-31 | 2012-12-19 | 北京东土科技股份有限公司 | Data transmission method and device based on time triggering mechanism |
| CN104079444A (en) * | 2013-03-27 | 2014-10-01 | 西门子公司 | Method and device for detecting depth of industrial Ethernet data frame |
| CN103327508A (en) * | 2013-07-09 | 2013-09-25 | 武汉虹信通信技术有限责任公司 | Access system for transmitting wireless signals and Ethernet signals by power line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106209542B (en) | Industry internet field layer wideband bus architecture system | |
| CN105959195B (en) | Industrial internet field layer broadband bus technology implementation method | |
| US8639867B2 (en) | Method and device for bus arbitration, converter and production facility | |
| CN106155014A (en) | A kind of industry internet field layer wideband bus real-time implementation method | |
| WO2014144445A9 (en) | System and method for dynamic device discovery and address assignment | |
| CN105763410A (en) | HomePlug AV standard-based automatic relay networking method for power line broadband carrier band | |
| CN107959620B (en) | Fully mechanized mining equipment identification method, device, system, gateway and storage medium | |
| JP6355275B2 (en) | Realization method of broadband bus setting management in industrial Internet site | |
| CN105389278B (en) | A kind of slave serial communication method based on CAN bus | |
| CN106100955A (en) | A kind of industry internet field layer wideband bus data depth detection implementation method | |
| TW200929785A (en) | Remote control power distribution apparatus, power distribution system and method of remotely controlling types of power | |
| CN106125680A (en) | Industrial stokehold data safety processing method based on industry internet and device | |
| CN105978779B (en) | Real-time communication method, apparatus and system based on industry internet | |
| CN107205059B (en) | Method for managing meter equipment address, acquisition terminal and meter equipment | |
| CN106161595B (en) | Industrial Internet-based process control real-time communication method, device and system | |
| CN105897936A (en) | Method, device and system for processing control configuration information based on industrial internet | |
| CN106130854A (en) | Industrial process control system based on industry internet | |
| CN106130858B (en) | Data transmission method Internet-based, apparatus and system | |
| CN107634862A (en) | Wireless modbus systems based on Lora technologies | |
| CN205827222U (en) | Hydroelectric power plant's field device network | |
| Depari et al. | On the use of prime powerline communication in industrial applications: Modbus a first testcase | |
| CN211391299U (en) | Outdoor state monitoring equipment and system of frequency shift pulse track circuit | |
| CN110803188A (en) | Outdoor state monitoring equipment and system of frequency shift pulse track circuit | |
| CN103685001B (en) | Zigbee rolling code encryptings central control network closes and the method for rolling code encrypting wireless transmission | |
| Suganya et al. | Development of control application using power line communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |