CN106878157A - For the gateway that underlying device in industry internet is communicated - Google Patents
For the gateway that underlying device in industry internet is communicated Download PDFInfo
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- CN106878157A CN106878157A CN201510916637.XA CN201510916637A CN106878157A CN 106878157 A CN106878157 A CN 106878157A CN 201510916637 A CN201510916637 A CN 201510916637A CN 106878157 A CN106878157 A CN 106878157A
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- China
- Prior art keywords
- underlying device
- gateway
- service request
- main frame
- industry internet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides a kind of gateway communicated for underlying device in industry internet, including：First communication interface modules, connects underlying device, is suitable to send and receive data according to the interface communications protocol of underlying device；Second communication interface modules, connection is suitable to carry out underlying device the main frame of direct control, is suitable to send and receive network data；Gateway controller, at least include that the message with height two-stage priority sends receiving queue unit, the service request including priority sent by the second communication interface modules Receiving Host, service request is sent to underlying device by first interface module according to priority order from high to low, and the response of underlying device received by first interface module and is passed through second interface module and is reported to main frame, wherein, for half-duplex data communicates between underlying device and main frame, invention can greatly improve upstream rate and have good downward compatibility.
Description
Technical field
It is more particularly to a kind of to be communicated for underlying device in industry internet the present invention relates to industry internet technical field
Gateway.
Background technology
At present under the fast-developing overall background of Internet of Things, this 2 years intelligent gateways and industrial gateway and related derivative product constantly gush
Existing, corresponding product technology achieves huge achievement with system development, using also gradually deeply, but has also spilt it cruelly simultaneously
Be applied to complexity industry spot and the cumbersome cross complaint that is difficult to really to interconnect phenomenon.Be directed to safety, stabilization and with
When be likely to occur the industry spot of information data change, industry internet and play a related industrial gateway and arise at the historic moment, industrial 4.0
Middle industrial gateway is in high speed development, innovation and systems technology and breaks through.
Especially, in existing intelligent gateway technology, come in the speed uplink of data transfer and the timely feedback of industry spot
See, it is difficult to adapt to complicated and changeable industrial environment, also there is further improved space.
The content of the invention
The shortcoming of prior art, underlying device in industry internet is used for it is an object of the invention to provide one kind in view of the above
The gateway for being communicated, for solving the problems, such as that gateway is inefficient in uplink and downward compatibility is weaker in the prior art.
In order to achieve the above objects and other related objects, the present invention provides following technical scheme：
A kind of gateway communicated for underlying device in industry internet, including：First communication interface modules, connects bottom
Equipment, is suitable to send and receive data according to the interface communications protocol of the underlying device；Second communication interface modules, connection is suitable
In the main frame for carrying out the underlying device direct control, it is suitable to send and receive data；Gateway controller, at least including having
The message of height two-stage priority sends receiving queue unit, by including that the second communication interface modules Receiving Host sends
The service request of priority, is sent the service request by the first interface module according to priority order from high to low
To underlying device, and the response of the underlying device is received by the first interface module and is passed through second interface module
Main frame is reported to, wherein, for half-duplex data communicates between the underlying device and main frame.
Preferably, the gateway controller also includes：Clock synchronization unit, is carried out using Manchester's code to clock and data
Coding, is suitable to generate Manchester's code by the phase of voltage jump, wherein, low level intermediate time saltus step presentation code
0, the saltus step presentation code 1 of high level intermediate time.
Preferably, the gateway controller also includes：Request timed out processing unit, is suitable in setting time not receive correspondence
During the response of service request, service request is sent according to priority order from high to low.
Preferably, the gateway controller also includes：Idle processing unit, is suitable to when message sends receiving queue unit free
The idle request for reported data is sent to underlying device.
Preferably, the gateway controller also includes：Link timeout treatment unit, receiving underlying device please in the treatment business
The Temporary Response sent during time-out is sought, link connection is kept according to the Temporary Response and place is not reported to the Temporary Response
Reason.
As described above, the invention has the advantages that：This hair of the invention is applied to the bottom gateway of industry internet, is used to
Changeable in complexity, the industry spot of potential safety hazard collects industrial data, parsing conversion, management interface, safe power supply, high speed
Safe up-downgoing data command.Compared to current intelligent gateway, upstream rate is substantially improved, and can in time feed back industry spot feelings
Condition, allows upper end to be made and correctly operates effectively control according to specific circumstances.
Brief description of the drawings
Fig. 1 is shown as a kind of principle schematic of the gateway communicated for underlying device in industry internet.
Fig. 2 is shown as an implementation principle figure of gateway controller.
Component label instructions
1 gateway
11 first communication interface modules
12 second communication interface modules
13 gateway controllers
131 message send receiving queue unit
132 clock synchronization units
133 request timed out processing units
134 idle processing units
135 link timeout treatment units
Specific embodiment
Embodiments of the present invention are illustrated below by way of specific instantiation, those skilled in the art can be as disclosed by this specification
Content understand other advantages of the invention and effect easily.The present invention can also add by way of a different and different embodiment
To implement or apply, the various details in this specification can also be based on different viewpoints and application, without departing from essence of the invention
Various modifications or alterations are carried out under god.It should be noted that, in the case where not conflicting, the feature in following examples and embodiment
Can be mutually combined.
It should be noted that the diagram provided in following examples only illustrates basic conception of the invention in a schematic way, scheme then
Component count, shape and size when only display is with relevant component in the present invention rather than according to actual implementation in formula are drawn, in fact
The kenel of each component, quantity and ratio can be a kind of random change when border is implemented, and its assembly layout kenel be likely to it is more multiple
It is miscellaneous.
Fig. 1 is referred to, is a kind of principle schematic of the gateway communicated for underlying device in industry internet, such as figure institute
Show, the gateway 1 can include：First communication interface modules 11, connects underlying device, is suitable to connecing according to the underlying device
Port communications agreement sends and receives data；Second communication interface modules 12, connection is suitable to directly control the underlying device
Main frame, be suitable to send and receive network data；Gateway controller 13, at least sends out including the message with height two-stage priority
Receiving queue unit 131 is sent, the service request including priority sent by the Receiving Host of the second communication interface modules 12,
The service request is sent to underlying device, Yi Jitong by the first interface module according to priority order from high to low
Cross the response of the first interface module reception underlying device and passed through second interface module and report to main frame, wherein,
For half-duplex data communicates between the underlying device and main frame.
Such scheme can be used to realize industry spot underlying device to one-level gateway monitors distributing is digital control and on-scene communication
Network, wherein, underlying device can be intelligence instrument.
In specific implementation, second interface module can be ethernet network interface, for access network based on ethernet, realize and be connected to
The communication between main frame on Ethernet.
It is an implementation principle figure of gateway controller, as illustrated, in gateway control please in conjunction with Fig. 2 in specific implementation
Clock synchronization unit 132 can also be included in device 13, Manchester's code is suitable for use with and clock and data are encoded, and by
The phase of voltage jump generates Manchester's code, wherein, low level intermediate time saltus step presentation code 0, in high level
Between the moment saltus step presentation code 1.The synchronous loss of clock can be prevented by such scheme, or from low frequency displacements poor
The simulation link bit-errors of weary compensation so that gateway has more preferable synchronizing capacity for bottom industry spot instrument (naked table) system
With more preferable interference free performance, so as to increased the compatibility of gateway.
In specific implementation, please in conjunction with Fig. 2, the gateway controller 13 can also include a request timed out processing unit 133,
When being suitable to not received in setting time the response of correspondence service request, industry is sent according to priority order from high to low
Business request.Such that it is able to the upstream rate of data communication is substantially improved.
In specific implementation, please in conjunction with Fig. 2, gateway controller 13 can also include an idle processing unit 134, be suitable to
Message sends the idle request for reported data to underlying device when sending the free time of receiving queue unit 131.So can be in master
When machine is not asked, actively allow underlying device to carry out data and report so that whole scene communication is unlikely to be in a passive work
Make in state, improve gateway by the up speed of bottom field data.
In specific implementation, please in conjunction with Fig. 2, gateway controller 13 can also include link timeout treatment unit 135, be suitable to
The Temporary Response that reception sends in underlying device response timeout, link connection is kept according to the Temporary Response and is faced described
When response do not report treatment, so as to avoid link overtime, Temporary Response does not report the main frame would not to be made to whole Business Processing yet
Into influence.
Further, the present invention is based on the cumbersome of intelligent gateway of Internet of Things, unitary function and mostly relative to current main flow
From the point of view of only supporting the technology of individual event manipulation or the manipulation of simple feedback of the information, the bottom data that the present invention can be substantially improved it is up
Speed, can allow end main frame to receive the situation change at scene in time and make and accurately judge and operate.
Additionally, the present invention has preferable downward compatibility, Manchester's code is employed in the gateway architecture that this patent is illustrated
(manchester) synchronised clock coding techniques.In Manchester's code, 1 is distinguished with the phase difference of voltage jump
With 0,1 is represented with negative voltage jump, 0 is represented with positive voltage jump.The rule of Manchester's code level saltus step is：It is low
The intermediate time saltus step of level represents ' 0 ', and ' 1 ' is represented with the saltus step of high level intermediate time.Prevented by such mode
The synchronous loss of clock, or simulation from low frequency displacements in poor compensation links bit-errors.This causes gateway for bottom work
Industry field instrument (naked table) system has more preferable synchronizing capacity and more preferable interference free performance, so as to increased the compatibility of gateway.
In sum, this hair of the invention is applied to the bottom gateway of industry internet, changeable in complexity, potential safety hazard
Industry spot collects industrial data, parsing conversion, management interface, safe power supply, high-speed secure up-downgoing data command.Compare
In current intelligent gateway, upstream rate is substantially improved, and can in time feed back industry spot situation, allows upper end according to specific circumstances
Make and correctly operate effectively control.So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial profit
With value.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any to be familiar with this skill
The personage of art all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Therefore, such as
Those of ordinary skill in the art completed under without departing from disclosed spirit and technological thought all etc.
Effect modifications and changes, should be covered by claim of the invention.
Claims (5)
1. a kind of gateway communicated for underlying device in industry internet, it is characterised in that including：
First communication interface modules, connects underlying device, is suitable to send and connect according to the interface communications protocol of the underlying device
Receive data；
Second communication interface modules, connection is suitable to carry out the underlying device main frame of direct control, is suitable to send and receive
Data；
Gateway controller, at least sends receiving queue unit, by described second including the message with height two-stage priority
The service request including priority that communication interface modules Receiving Host sends, will be described according to priority order from high to low
Service request is sent to underlying device by the first interface module, and receives the bottom by the first interface module
The response of layer equipment is simultaneously passed through second interface module and is reported to main frame, wherein, it is half between the underlying device and main frame
Duplex data communication.
2. the gateway communicated for underlying device in industry internet according to claim 1, it is characterised in that the net
Gateway controller also includes：
Clock synchronization unit, is encoded using Manchester's code to clock and data, is suitable to be come by the phase of voltage jump
Generation Manchester's code, wherein, low level intermediate time saltus step presentation code 0, the saltus step table of high level intermediate time
Show coding 1.
3. the gateway communicated for underlying device in industry internet according to claim 1, it is characterised in that the net
Gateway controller also includes：
Request timed out processing unit, when being suitable to not received in setting time the response of correspondence service request, according to priority
Order from high to low sends service request.
4. the gateway communicated for underlying device in industry internet according to claim 1, it is characterised in that the net
Gateway controller also includes：
Idle processing unit, is suitable to be sent for reported data to underlying device when message sends receiving queue unit free
Idle request.
5. the gateway communicated for underlying device in industry internet according to claim 1, it is characterised in that the net
Gateway controller also includes：
Link timeout treatment unit, receives the Temporary Response that underlying device sends when the service request time-out is processed, foundation
The Temporary Response keeps link connection and does not report treatment to the Temporary Response.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510916637.XA CN106878157A (en) | 2015-12-10 | 2015-12-10 | For the gateway that underlying device in industry internet is communicated |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510916637.XA CN106878157A (en) | 2015-12-10 | 2015-12-10 | For the gateway that underlying device in industry internet is communicated |
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| Publication Number | Publication Date |
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| CN106878157A true CN106878157A (en) | 2017-06-20 |
Family
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| CN201510916637.XA Pending CN106878157A (en) | 2015-12-10 | 2015-12-10 | For the gateway that underlying device in industry internet is communicated |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101741770A (en) * | 2009-12-23 | 2010-06-16 | 上海电器科学研究所（集团）有限公司 | Ethernet/IP communication gateway and implementation method thereof |
| US20110310743A1 (en) * | 2010-06-22 | 2011-12-22 | Kuriyan George W | Method and system using wireless packet data networks architecture for remote process control and process monitoring applications |
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Application publication date: 20170620 |