CN106774111A - Task processing method, device and PLC system in PLC system - Google Patents
Task processing method, device and PLC system in PLC system Download PDFInfo
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- CN106774111A CN106774111A CN201611071767.9A CN201611071767A CN106774111A CN 106774111 A CN106774111 A CN 106774111A CN 201611071767 A CN201611071767 A CN 201611071767A CN 106774111 A CN106774111 A CN 106774111A
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- task
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- safe
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- master controller
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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
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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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
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Programmable Controllers (AREA)
Abstract
The invention discloses the task processing method in a kind of PLC system, device and PLC system.Wherein, the method includes：Obtain the pending task of whole in the master controller of PLC system；All pending tasks are isolated according to the default free isolated operation system for carrying in the host controller, obtains safe task set and non-security task set；Perform the task in the task and non-security task set in safe task set respectively by master controller.The present invention solves the technical problem higher of the Expenses Cost for needed for the security of guarantee PLC system present in prior art.
Description
Technical field
The present invention relates to PLC control fields, in particular to the task processing method in a kind of PLC system, device with
And PLC system.
Background technology
In safety PLC (programmable logic controller (PLC), Programmable Logic Controller) system design,
Controller (also known as master controller) have important effect, as shown in figure 1, controller need be responsible for I/O (input/output,
Input/output port) board data collection, computing and output, in addition it is also necessary to the communication being responsible between safety PLC system so as to
Safety return circuit is constituted between multisystem, controller solves the function referred to as security function that the demand has.When safety PLC system
System is when being applied to oil and gas pipeline, the distance between system relatively far away from, in order to ensure the quick exchange of data, data transfer one
As need based on ethernet standard TCP/IP (Transmission Control Protocol/Internet Protocol,
Transmission control/Internet Interconnection) agreement, communicated by interchanger or router.
But, the ICP/IP protocol of current standard does not have a secure version, thus measured ICP/IP protocol communication
Function is simultaneously dangerous.This problem is solved, the current general security protocol complicated using individually exploitation, or using single
The mode of multiple controllers is set in safety PLC system, so that security function and non-safety function are real on the different processors
It is existing, but, it is also required to communicate with one another between the multiple controllers under this kind of mode, design also complex.Therefore, aforesaid way
There is defect with high costs, that design is responsible.To sum up, exist for ensureing the required consumption of security of PLC system in the prior art
Costly technical problem higher.
For above-mentioned problem, effective solution is not yet proposed at present.
The content of the invention
A kind of task processing method in PLC system, device and PLC system are the embodiment of the invention provides, with least
Solve the technical problem higher of the Expenses Cost for needed for the security of guarantee PLC system present in prior art.
A kind of one side according to embodiments of the present invention, there is provided the task processing method in PLC system, the method bag
Include：Obtain the pending task of whole in the master controller of PLC system；According to the default isolation being mounted in above-mentioned master controller
Operating system is isolated to the pending task of above-mentioned whole, obtains safe task set and non-security task set；By upper
State the task in task and above-mentioned non-security task set that master controller is performed in above-mentioned safe task set respectively.
Further, the above-mentioned default free isolated operation system in above-mentioned master controller is to the pending task of above-mentioned whole
Isolated, obtaining safe task set and non-security task set includes：Obtain each in the pending task of above-mentioned whole
The task attribute of task；Judge whether above-mentioned task is safe according to above-mentioned task attribute；Will determine that result is safe above-mentioned
Business and judged result are that non-security above-mentioned task is isolated, so as to obtain above-mentioned safe task set and above-mentioned non-security
Business set.
Further, above-mentioned default free isolated operation system is μ C/OS-II operating systems.
Further, above-mentioned safe task set includes：Data entry tasks, data operation task and data output are appointed
Business；Above-mentioned non-security task set includes communication task.
Another aspect according to embodiments of the present invention, additionally provides the Task Processing Unit in a kind of PLC system, the device
Including：Acquiring unit, for the pending task of whole in the master controller for obtaining PLC system；Isolated location, takes for basis
The default free isolated operation system being loaded in above-mentioned master controller is isolated to the pending task of above-mentioned whole, obtains safe task
Set and non-security task set；Processing unit, in performing above-mentioned safe task set respectively by above-mentioned master controller
Task and above-mentioned non-security task set in task.
Further, above-mentioned isolated location includes：Subelement is obtained, it is every in the pending task of above-mentioned whole for obtaining
The task attribute of individual task；Judgment sub-unit, for judging whether above-mentioned task is safe according to above-mentioned task attribute；Separaant list
Unit, for will determine that result is safe above-mentioned task and judged result is that non-security above-mentioned task is isolated, so that
To above-mentioned safe task set and above-mentioned non-security task set.
Further, above-mentioned default free isolated operation system is μ C/OS-II operating systems.
Further, above-mentioned safe task set includes：Data entry tasks, data operation task and data output are appointed
Business；Above-mentioned non-security task set includes communication task.
Another aspect according to embodiments of the present invention, additionally provides a kind of PLC system, and the system is included with above-mentioned any
A kind of Task Processing Unit in PLC system.
Further, above-mentioned PLC system is by one or more targets PLC in router or interchanger and communication network
System is connected.
In embodiments of the present invention, by the way of the pending task of whole in the master controller for obtaining PLC system, root
All pending tasks isolate according to the default free isolated operation system for carrying in the host controller and obtains safe task set
With non-security task set, the task and non-security task performed respectively by the master controller in safe task set have been reached
The purpose of the task in set, it is achieved thereby that performing safe task and non-security task, lifting in same master controller
Tasks carrying efficiency, security, the technique effect of reduces cost of PLC system are improved, and then solve and exist in the prior art
The security to ensure PLC system needed for Expenses Cost technical problem higher.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 (a) is that the flow of the task processing method in a kind of optional PLC system according to embodiments of the present invention is illustrated
Figure；
Fig. 1 (b) is the structural representation of the task processing method in a kind of optional PLC system according to embodiments of the present invention
Figure；
Fig. 2 is the schematic flow sheet of the task processing method in a kind of optional PLC system according to embodiments of the present invention；
Fig. 3 is the structural representation of the Task Processing Unit in a kind of optional PLC system according to embodiments of the present invention；
Fig. 4 is the structural representation of the task processing system in a kind of optional PLC system according to embodiments of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or other intrinsic steps of equipment or unit.
Embodiment 1
According to embodiments of the present invention, there is provided a kind of embodiment of the task processing method in PLC system is, it is necessary to explanation
It is that can be performed in the such as one group computer system of computer executable instructions the step of the flow of accompanying drawing is illustrated,
And, although logical order is shown in flow charts, but in some cases, can be performed with different from order herein
Shown or described step.
Fig. 1 (a) is the schematic flow sheet of the task processing method in PLC system according to embodiments of the present invention, such as Fig. 1
A shown in (), the method comprises the following steps：
Step S102, obtains the pending task of whole in the master controller of PLC system；
Step S104, according to carry default free isolated operation system in the host controller all pending tasks are carried out every
From obtaining safe task set and non-security task set；
Step S106, in performing the task and non-security task set in safe task set respectively by master controller
Task.
In embodiments of the present invention, by the way of the pending task of whole in the master controller for obtaining PLC system, root
All pending tasks isolate according to the default free isolated operation system for carrying in the host controller and obtains safe task set
With non-security task set, the task and non-security task performed respectively by the master controller in safe task set have been reached
The purpose of the task in set, it is achieved thereby that performing safe task and non-security task, lifting in same master controller
Tasks carrying efficiency, security, the technique effect of reduces cost of PLC system are improved, and then solve and exist in the prior art
The security to ensure PLC system needed for Expenses Cost technical problem higher.
Alternatively, the PLC system of the application is programmable logic control system, for example, the PLC system can be safety
PLC system, multiple safety PLC systems can constitute safe control loop.
Fig. 1 (b) is the structural representation of the task processing method in a kind of optional PLC system according to embodiments of the present invention
Figure, shown in such as Fig. 1 (b), the default free isolated operation system for setting in the host controller can be to pending in the master controller
Business is isolated, and so as to obtain safe task set and non-security task set, the safe task set at least includes Fig. 1 (b)
In safe task 1, safe task 2 and safe task 3, the non-security task set at least includes non-security in Fig. 1 (b)
Business 1.By the way of the default untreated device in the master controller for being arranged on PLC system carries out fully task isolation, can be with
Ensure that non-security task does not interfere with the execution of safe task, so that safety PLC system reaches the safety required by sector application
Rank.
Alternatively, during the master controller can simultaneously perform the task and non-security task set in safe task set
During task, it is also possible to successively perform or performed according to pre-set priority, the application is not limited and repeats herein.
Alternatively, Fig. 2 is the flow of the task processing method in a kind of optional PLC system according to embodiments of the present invention
Schematic diagram, as shown in Fig. 2 step S104, according to the default free isolated operation system for carrying in the host controller to all pending
Task is isolated, and obtaining safe task set and non-security task set includes：
Step S202, obtains the task attribute of each task in all pending tasks；
Step S204, judges whether task is safe according to task attribute；
Step S206, will determine that result is safe task and judged result is that non-security task is isolated, so that
Obtain safe task set and non-security task set.
Alternatively, task attribute can be including the task type of each task, task generation time, duty cycle etc., can
Determine whether the task is safe with according to the task type of each task, if for example, the task type of certain task please for input
Ask, then can determine the tasks secure；If the task type of certain task is communication request between system, the task can be determined
It is dangerous.After judged result is obtained, task can be identified and be isolated, it is to avoid task conflict.
Alternatively, it is μ C/OS-II operating systems to preset free isolated operation system.Specifically, μ C/OS-II operating systems are one
Individual portable, it is curable, can cut, Preemptive multitasking real-time kernel, it be applied to various microprocessors, microcontroller
And digital processing chip.Meanwhile, the system source code opens, clean and tidy, consistent, annotates detailed, suitable system exploitation.Therefore, the μ
C/OS-II operating systems can be used for isolating the task in master controller.It should be noted that the default isolated operation
System can be through the μ C/OS-II operating systems of TUV safety certifications.
Alternatively, safe task set includes：Data entry tasks, data operation task and data output task；Non- peace
Full set of tasks includes communication task.
Specifically, master controller is responsible for collection, computing and the output of the I/O board data in PLC system, additionally, also needing
It is responsible for constituting safety return circuit between PLC system, the above-mentioned attainable function of master controller belongs to its security function.Work as PLC
Distant between system and system when system is applied to oil and gas pipeline, in order to ensure the quick exchange of data, data are passed
It is defeated to use the ICP/IP protocol based on ethernet standard, communicated by interchanger or router, due to current standard
ICP/IP protocol does not have secure version, therefore, the communication task general security between system is not enough, is considered as non-security task.
Alternatively, above-described embodiment based on the application, can be by the logical of non-security measured ICP/IP protocol
Interrogate task run in the host controller, and the security protocol without going exploitation complicated again.
In embodiments of the present invention, by the way of the pending task of whole in the master controller for obtaining PLC system, root
All pending tasks isolate according to the default free isolated operation system for carrying in the host controller and obtains safe task set
With non-security task set, the task and non-security task performed respectively by the master controller in safe task set have been reached
The purpose of the task in set, it is achieved thereby that performing safe task and non-security task, lifting in same master controller
Tasks carrying efficiency, security, the technique effect of reduces cost of PLC system are improved, and then solve and exist in the prior art
The security to ensure PLC system needed for Expenses Cost technical problem higher.
Embodiment 2
Other side according to embodiments of the present invention, additionally provides the Task Processing Unit in a kind of PLC system, such as schemes
Shown in 3, the device includes：Acquiring unit 301, isolated location 303 and processing unit 305.
Wherein, acquiring unit 301, for the pending task of whole in the master controller for obtaining PLC system；Isolated location
303, for being isolated to all pending tasks according to the default free isolated operation system for carrying in the host controller, pacified
Full set of tasks and non-security task set；Processing unit 305, for performing safe task set respectively by master controller in
Task and non-security task set in task.
Alternatively, isolated location 303 can include：Subelement is obtained, for obtaining each in all pending tasks
The task attribute of task；Judgment sub-unit, for judging whether task is safe according to task attribute；Isolation subelement, for inciting somebody to action
Judged result is safe task and judged result is that non-security task is isolated, so as to obtain safe task set and non-
Safe task set.
Alternatively, default free isolated operation system can be μ C/OS-II operating systems.
Alternatively, safe task set can include：Data entry tasks, data operation task and data output task；
Non-security task set can include communication task.
In embodiments of the present invention, by the way of the pending task of whole in the master controller for obtaining PLC system, root
All pending tasks isolate according to the default free isolated operation system for carrying in the host controller and obtains safe task set
With non-security task set, the task and non-security task performed respectively by the master controller in safe task set have been reached
The purpose of the task in set, it is achieved thereby that performing safe task and non-security task, lifting in same master controller
Tasks carrying efficiency, security, the technique effect of reduces cost of PLC system are improved, and then solve and exist in the prior art
The security to ensure PLC system needed for Expenses Cost technical problem higher.
Embodiment 3
Another aspect according to embodiments of the present invention, additionally provides the task processing system in a kind of PLC system, such as schemes
Shown in 4, the system is included with the Task Processing Unit in the above-mentioned PLC system of any one.
Alternatively, as shown in figure 4, PLC system is by one or more mesh in router or interchanger and communication network
Mark PLC system connection.For example, the safety PLC system 1 in Fig. 4 can be by the peace in router or interchanger and communication network
Full PLC system 2, safety PLC system 3 and safety PLC system 4 are connected respectively, so as to carry out the communication between system.Thus, system
Between communication task be non-security task by each safety PLC isolation of system, have no effect in the master controller of PLC system and pacify
The execution of full task, thus the security of each PLC system will not be weakened.
In embodiments of the present invention, by the way of the pending task of whole in the master controller for obtaining PLC system, root
All pending tasks isolate according to the default free isolated operation system for carrying in the host controller and obtains safe task set
With non-security task set, the task and non-security task performed respectively by the master controller in safe task set have been reached
The purpose of the task in set, it is achieved thereby that performing safe task and non-security task, lifting in same master controller
Tasks carrying efficiency, security, the technique effect of reduces cost of PLC system are improved, and then solve and exist in the prior art
The security to ensure PLC system needed for Expenses Cost technical problem higher.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be by other
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-On ly Memory), arbitrary access
Memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. the task processing method in a kind of PLC system, it is characterised in that including：
Obtain the pending task of whole in the master controller of PLC system；
The pending task of the whole is isolated according to the default free isolated operation system being mounted in the master controller, is obtained
To safe task set and non-security task set；
In performing the task and the non-security task set in the safe task set respectively by the master controller
Task.
2. method according to claim 1, it is characterised in that the basis be mounted in the master controller it is default every
The pending task of the whole is isolated from operating system, obtaining safe task set and non-security task set includes：
Obtain the task attribute of each task in the pending task of the whole；
Judge whether the task is safe according to the task attribute；
Will determine that result is the safe task and judged result is that the non-security task is isolated, so as to obtain
State safe task set and the non-security task set.
3. method according to claim 1, it is characterised in that the default free isolated operation system is that μ C/OS-II operate system
System.
4. method according to claim 1, it is characterised in that the safe task set includes：Data entry tasks, number
According to processor active task and data output task；The non-security task set includes communication task.
5. the Task Processing Unit in a kind of PLC system, it is characterised in that including：
Acquiring unit, for the pending task of whole in the master controller for obtaining PLC system；
Isolated location, for according to being mounted in default free isolated operation system in the master controller to pending of the whole
Business is isolated, and obtains safe task set and non-security task set；
Processing unit, for performing the task in the safe task set and described non-security respectively by the master controller
Task in set of tasks.
6. device according to claim 5, it is characterised in that the isolated location includes：
Obtain subelement, the task attribute for obtaining each task in the pending task of the whole；
Judgment sub-unit, for judging whether the task is safe according to the task attribute；
Isolation subelement, for will determine that result is the safe task and judged result is that the non-security task is carried out
Isolation, so as to obtain the safe task set and the non-security task set.
7. device according to claim 5, it is characterised in that the default free isolated operation system is that μ C/OS-II operate system
System.
8. device according to claim 5, it is characterised in that the safe task set includes：Data entry tasks, number
According to processor active task and data output task；The non-security task set includes communication task.
9. a kind of PLC system, it is characterised in that including the task in the PLC system as any one of claim 5 to 8
Processing unit.
10. system according to claim 9, it is characterised in that the PLC system passes through router or interchanger and communication
One or more target PLC systems connection in network.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611071767.9A CN106774111B (en) | 2016-11-28 | 2016-11-28 | task processing method and device in PLC system and PLC system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611071767.9A CN106774111B (en) | 2016-11-28 | 2016-11-28 | task processing method and device in PLC system and PLC system |
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| CN106774111B CN106774111B (en) | 2019-12-13 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6154684A (en) * | 1997-06-14 | 2000-11-28 | Rockwell Technologies, Llc | Template language for industrial controller programming |
| CN1942839A (en) * | 2004-04-19 | 2007-04-04 | 倍福电气有限公司 | Safety-oriented control system |
| CN102436190A (en) * | 2011-10-17 | 2012-05-02 | 广东亚仿科技股份有限公司 | Controller |
| CN102473109A (en) * | 2009-07-23 | 2012-05-23 | 英派尔科技开发有限公司 | Scheduling of threads by batch scheduling |
| CN104520815A (en) * | 2014-03-17 | 2015-04-15 | 华为技术有限公司 | Method, device and equipment for task scheduling |
| US20150205698A1 (en) * | 2014-01-23 | 2015-07-23 | Bernecker + Rainer Industrie-Elektronik Ges.M.B.H | Method for verifying the processing of software |
-
2016
- 2016-11-28 CN CN201611071767.9A patent/CN106774111B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6154684A (en) * | 1997-06-14 | 2000-11-28 | Rockwell Technologies, Llc | Template language for industrial controller programming |
| CN1942839A (en) * | 2004-04-19 | 2007-04-04 | 倍福电气有限公司 | Safety-oriented control system |
| CN102473109A (en) * | 2009-07-23 | 2012-05-23 | 英派尔科技开发有限公司 | Scheduling of threads by batch scheduling |
| CN102436190A (en) * | 2011-10-17 | 2012-05-02 | 广东亚仿科技股份有限公司 | Controller |
| US20150205698A1 (en) * | 2014-01-23 | 2015-07-23 | Bernecker + Rainer Industrie-Elektronik Ges.M.B.H | Method for verifying the processing of software |
| CN104520815A (en) * | 2014-03-17 | 2015-04-15 | 华为技术有限公司 | Method, device and equipment for task scheduling |
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| CN106774111B (en) | 2019-12-13 |
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