CN111813038B - Method and system for simultaneously supporting CCO and STA modes on PLC module - Google Patents

Method and system for simultaneously supporting CCO and STA modes on PLC module Download PDF

Info

Publication number
CN111813038B
CN111813038B CN202010661903.XA CN202010661903A CN111813038B CN 111813038 B CN111813038 B CN 111813038B CN 202010661903 A CN202010661903 A CN 202010661903A CN 111813038 B CN111813038 B CN 111813038B
Authority
CN
China
Prior art keywords
cco
sta
plc module
value
mode
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.)
Active
Application number
CN202010661903.XA
Other languages
Chinese (zh)
Other versions
CN111813038A (en
Inventor
谭小蕾
周国立
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Ailian Technology Co ltd
Original Assignee
Sichuan Ailian Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sichuan Ailian Technology Co ltd filed Critical Sichuan Ailian Technology Co ltd
Priority to CN202010661903.XA priority Critical patent/CN111813038B/en
Publication of CN111813038A publication Critical patent/CN111813038A/en
Application granted granted Critical
Publication of CN111813038B publication Critical patent/CN111813038B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)

Abstract

The invention relates to the field of microprocessor control, in particular to a method for simultaneously supporting CCO and STA modes on a PLC module, which can solve the problem that the current module can only support one mode at a time, if the current module needs to be modified, recompilation and re-burning are required, and can realize the switching of different equipment functions through a control end, thereby greatly improving the working efficiency. The scheme is summarized in that SDK functions corresponding to a CCO mode and an STA mode are respectively realized on a PLC module at a device end, in a configuration file config.xml, a STA burning address is modified to be not overlapped with the CCO, macros of the CCO and the STA functions are modified to be defined as a # if# else structure, partition instructions ATSTA and ATCCO are added in the SDK, an ATSTA instruction is used for writing the STA into the flash, a module is restarted, after the module is restarted, a value in the flash is read, if the value is the STA, the STA mode function is initialized, an ATCCO instruction is used for writing the CCO into the flash, after the module is restarted, the value in the flash is read, and if the value is the CCO, the CCO mode function is initialized. The method is suitable for PLC module control.

Description

Method and system for simultaneously supporting CCO and STA modes on PLC module
Technical Field
The invention relates to the field of microprocessor control, in particular to a method and a system for simultaneously supporting a CCO (main node module) mode and an STA (sub node module) mode on a PLC (programmable logic controller) module.
Background
With the development of semiconductor technology, especially microprocessor and microcomputer technology, PLC combines the advantages of perfect, flexible and general computer functions with the advantages of simplicity, easy operation, low price, etc. of relay control system, and the position in industrial automation control, especially sequential control, is not possible to replace in the foreseeable future. The depth and breadth of PLC applications has become one of the important markers of the national industry advancement today.
At present, the PLC module can only support one mode, i.e. CCO mode or STA mode, and if modification is needed, the PLC module must be recompiled and re-burned, which is very inconvenient to operate.
Disclosure of Invention
The invention aims to provide a method and a system for simultaneously supporting CCO and STA modes on a PLC module, which can solve the problem that the current module can only support one mode at a time, if the current module needs to be modified, recompilation and re-burning are needed, and can realize the switching of different equipment functions through a control end, thereby greatly improving the working efficiency.
The invention adopts the following technical scheme to realize the aim, and the method for simultaneously supporting the CCO and the STA modes is realized on the PLC module, which comprises the following steps:
step (1), realizing SDK (SoftwareDevelopmentKit) functions corresponding to a CCO mode and an STA mode on a PLC module at a device end respectively;
step (2), in the configuration file config. Xml, modifying the STA burning address to be not coincident with the CCO;
step (3), modifying macro definition configuring CCO and STA functions as a #if# else structure;
and (4) adding partition instructions ATSTA and ATCCO into the SDK, wherein the ATSTA instructions are used for writing the STA into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, initializing the STA mode function if the value is the STA, writing CCO into the flash area by the ATCCO instructions, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and initializing the CCO mode function if the value is the CCO.
Further, in order to realize flexible control at the control end, the method for simultaneously supporting the CCO and STA modes on the PLC module further comprises the following steps:
step (5), powering up the PLC module, detecting node information in the topology, and sending the node information to the control end;
step (6), the control end sends a control instruction to the PLC module according to the node information, if the control instruction is ATSTA, the PLC module automatically executes writing of the STA to the flash area, the PLC module is restarted, after the PLC module is restarted, the value in the flash area is read, if the value is STA, the STA mode function is initialized, and the STA mode state is returned to the control end; if the control instruction is ATCCO, automatically executing the write-in of CCO to the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and if the value is CCO, initializing a CCO mode function and returning a CCO mode state to the control end;
and (7) the control end sends a data transmission instruction to the PLC module according to the node information, the PLC module analyzes the data transmission instruction and sends the data transmission instruction to the MCU electric control board according to a corresponding communication protocol, and the MCU electric control board returns a device state value to the PLC module after the MCU electric control board performs the operation.
Further, in step (1), implementing SDK functions corresponding to the CCO mode and the STA mode on the PLC module of the device side includes:
A. in a source file general code block, obtaining topology node information, version information and a module restarting general function;
B. in a source file CCO code block, the first step realizes a channel forwarding function to support data interaction between a main device and a peer device, and the second step realizes a corresponding function demand instruction to support a client function demand;
C. and in the source file STA code block, corresponding function requirement instructions are realized, so that the client function requirements are supported.
A system for simultaneously supporting CCO and STA modes is realized on a PLC module, which comprises:
the SDK module is used for respectively realizing SDK functions corresponding to the CCO mode and the STA mode on the PLC module of the equipment end;
the configuration module is used for modifying the STA burning address to be misaligned with the CCO and modifying macro definition configuring the CCO and the STA functions to be a #if# else structure in the configuration file config.
The instruction module is used for adding partition instructions ATSTA and ATCCO in the SDK, the ATSTA instructions are used for writing the STA into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, initializing the STA mode function if the value is the STA, the ATCCO instructions are used for writing CCO into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and initializing the CCO mode function if the value is the CCO.
Firstly, respectively realizing SDK functions corresponding to a CCO mode and an STA mode on a PLC module at a device end, then in a config.xml configuration file, modifying a STA burning address to be not overlapped with the CCO, modifying macro definition of the CCO and the STA functions to be a # if# else structure, adding a partition instruction ATSTA and ATCCO in the SDK, enabling the ATSTA instruction to write the STA into a flash area, restarting the PLC module, reading a value in the flash area after the PLC module is restarted, and initializing the STA mode function if the value is the STA; the ATCCO instruction is used for writing CCO into the flash area, restarting the PLC module, reading a value in the flash area after the PLC module is restarted, initializing a CCO mode function if the value is CCO, powering on the PLC module after the steps are completed, detecting node information in topology, sending the node information to a control end, sending a control instruction to the PLC module by the control end according to the node information, triggering the PLC module to automatically execute writing of STA into the flash area if the control instruction is ATSTA, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and initializing the STA mode function and returning an STA mode state to the control end if the value is STA; if the control instruction is ATCCO, triggering automatic execution to write CCO into the flash area, restarting the PLC module, reading a value in the flash area after the PLC module is restarted, initializing a CCO mode function and returning a CCO mode state to a control end if the value is CCO, sending a data transmission instruction to the PLC module by the control end according to node information, analyzing the data transmission instruction by the PLC module, sending the data transmission instruction to an MCU electric control board according to a corresponding communication protocol, and returning a device state value to the PLC module after the MCU electric control board finishes operation; the problem that the current module can only support one mode at a time, and needs to be recompiled and re-burned if the current module needs to be modified is solved, and the switching of different equipment functions is realized through the control end, so that the working efficiency is greatly improved.
Drawings
Fig. 1 is a flow chart of the method of the present invention.
Fig. 2 is a flowchart of an embodiment method of the present invention for controlling at an APP control end.
Detailed Description
The method for simultaneously supporting CCO and STA modes on the PLC module is shown in figure 1, and comprises the following steps:
step 101: SDK functions corresponding to the CCO mode and the STA mode are respectively realized on a PLC module of the equipment end;
step 102: in the configuration file config.xml, modifying the STA burning address to be not coincident with the CCO;
step 103: modifying macro definition of CCO and STA functions as #if# else structure;
step 104: adding a partition instruction ATSTA and ATCCO into the SDK;
step 105: the ATCCO instruction is used for writing CCO into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and initializing a CCO mode function if the value is CCO;
step 106: and the ATSTA instruction is used for writing the STA into the flash area, restarting the PLC module, and reading the value in the flash area after the PLC module is restarted, and initializing an STA mode function if the value is the STA.
In step 101, specific method steps for implementing SDK functions corresponding to CCO mode and STA mode on PLC modules of a device side respectively include:
D. in a source file general code block, obtaining topology node information, version information and a module restarting general function;
E. in a source file CCO code block, the first step realizes a channel forwarding function to support data interaction between a main device and a peer device, and the second step realizes a corresponding function demand instruction to support a client function demand;
F. and in the source file STA code block, corresponding function requirement instructions are realized, so that the client function requirements are supported.
In order to realize flexible control at the control end, the method for simultaneously supporting the CCO and the STA modes on the PLC module further comprises the following steps:
G. powering up the PLC module, detecting node information in the topology, and sending the node information to the control end;
H. the control end sends a control instruction to the PLC module according to the node information, if the control instruction is ATSTA, the PLC module automatically executes writing of STA to the flash area, the PLC module is restarted, after the PLC module is restarted, the value in the flash area is read, if the value is STA, the STA mode function is initialized, and the STA mode state is returned to the control end; if the control instruction is ATCCO, automatically executing the write-in of CCO to the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and if the value is CCO, initializing a CCO mode function and returning a CCO mode state to the control end;
I. the control end sends a data transmission instruction to the PLC module according to the node information, the PLC module analyzes the data transmission instruction and sends the data transmission instruction to the MCU electric control board according to a corresponding communication protocol, and the MCU electric control board returns a device state value to the PLC module after the MCU electric control board performs operation.
A system for simultaneously supporting CCO and STA modes is realized on a PLC module, which comprises:
the SDK module is used for respectively realizing SDK functions corresponding to the CCO mode and the STA mode on the PLC module of the equipment end;
the configuration module is used for modifying the STA burning address to be misaligned with the CCO and modifying macro definition configuring the CCO and the STA functions to be a #if# else structure in the configuration file config.
The instruction module is used for adding partition instructions ATSTA and ATCCO in the SDK, the ATSTA instructions are used for writing the STA into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, initializing the STA mode function if the value is the STA, the ATCCO instructions are used for writing CCO into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and initializing the CCO mode function if the value is the CCO.
The flow chart of the embodiment method for controlling the APP control end is shown in fig. 2, a PLC module is electrified, node information in topology is detected and sent to the APP control end, the APP control end sends a control instruction to the PLC module according to the node information, if the control instruction is ATSTA, the PLC module automatically executes writing of STA into a flash area, the PLC module is restarted, after the PLC module is restarted, a value in the flash area is read, if the value is STA, an STA mode function is initialized, and an STA mode state is returned to the APP control end; if the control instruction is ATCCO, automatically executing the write-in of CCO to the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and if the value is CCO, initializing a CCO mode function and returning a CCO mode state to the APP control end; the APP control end sends a data transmission instruction to the PLC module according to the node information, the PLC module analyzes the data transmission instruction and sends the data transmission instruction to the MCU electric control board according to a corresponding communication protocol, and the MCU electric control board returns a device state value to the PLC module after the MCU electric control board performs operation.
In summary, the invention solves the problem that the current module can only support one mode at a time, if the current module needs to be modified, the current module needs to be recompiled and re-burned, and can realize the switching of different equipment functions through the control terminal, thereby greatly improving the working efficiency.

Claims (4)

  1. A method for simultaneously supporting CCO and STA modes on a PLC module is characterized by comprising the following steps:
    step (1), realizing SDK functions corresponding to a CCO mode and an STA mode on a PLC module at a device end respectively;
    step (2), in the configuration file config. Xml, modifying the STA burning address to be not coincident with the CCO;
    step (3), modifying macro definition configuring CCO and STA functions as a #if# else structure;
    and (4) adding partition instructions ATSTA and ATCCO into the SDK, wherein the ATSTA instructions are used for writing the STA into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, initializing the STA mode function if the value is the STA, writing CCO into the flash area by the ATCCO instructions, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and initializing the CCO mode function if the value is the CCO.
  2. 2. The method for implementing the method for simultaneously supporting CCO and STA modes on a PLC module according to claim 1, further comprising:
    step (5), powering up the PLC module, detecting node information in the topology, and sending the node information to the control end;
    step (6), the control end sends a control instruction to the PLC module according to the node information, if the control instruction is ATSTA, the PLC module automatically executes writing of the STA to the flash area, the PLC module is restarted, after the PLC module is restarted, the value in the flash area is read, if the value is STA, the STA mode function is initialized, and the STA mode state is returned to the control end; if the control instruction is ATCCO, automatically executing the write-in of CCO to the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and if the value is CCO, initializing a CCO mode function and returning a CCO mode state to the control end;
    and (7) the control end sends a data transmission instruction to the PLC module according to the node information, the PLC module analyzes the data transmission instruction and sends the data transmission instruction to the MCU electric control board according to a corresponding communication protocol, and the MCU electric control board returns a device state value to the PLC module after the MCU electric control board performs the operation.
  3. 3. The method for implementing the CCO mode and the STA mode simultaneously on the PLC module according to claim 1, wherein in step (1), implementing the SDK functions corresponding to the CCO mode and the STA mode on the PLC module of the device side includes:
    A. in a source file general code block, obtaining topology node information, version information and a module restarting general function;
    B. in a source file CCO code block, the first step realizes a channel forwarding function to support data interaction between a main device and a peer device, and the second step realizes a corresponding function demand instruction to support a client function demand;
    C. and in the source file STA code block, corresponding function requirement instructions are realized, so that the client function requirements are supported.
  4. A system for implementing a system for simultaneously supporting CCO and STA modes on a plc module, comprising:
    the SDK module is used for respectively realizing SDK functions corresponding to the CCO mode and the STA mode on the PLC module of the equipment end;
    the configuration module is used for modifying the STA burning address to be misaligned with the CCO and modifying macro definition configuring the CCO and the STA functions to be a #if# else structure in the configuration file config.
    The instruction module is used for adding partition instructions ATSTA and ATCCO in the SDK, the ATSTA instructions are used for writing the STA into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, initializing the STA mode function if the value is the STA, the ATCCO instructions are used for writing CCO into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and initializing the CCO mode function if the value is the CCO.
CN202010661903.XA 2020-07-10 2020-07-10 Method and system for simultaneously supporting CCO and STA modes on PLC module Active CN111813038B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010661903.XA CN111813038B (en) 2020-07-10 2020-07-10 Method and system for simultaneously supporting CCO and STA modes on PLC module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010661903.XA CN111813038B (en) 2020-07-10 2020-07-10 Method and system for simultaneously supporting CCO and STA modes on PLC module

Publications (2)

Publication Number Publication Date
CN111813038A CN111813038A (en) 2020-10-23
CN111813038B true CN111813038B (en) 2023-08-22

Family

ID=72843013

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010661903.XA Active CN111813038B (en) 2020-07-10 2020-07-10 Method and system for simultaneously supporting CCO and STA modes on PLC module

Country Status (1)

Country Link
CN (1) CN111813038B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112241141B (en) * 2020-11-12 2022-08-09 上海电气风电集团股份有限公司 Hardware configuration method, system, device and medium of PLC control system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2108735A (en) * 1981-05-01 1983-05-18 Pmjh Electronic Consultants Li Electronic control means
CN105959288A (en) * 2016-05-27 2016-09-21 姹や寒 Network protocol conversion method for power grid system and intercommunication method of power grid system
CN106737676A (en) * 2016-12-28 2017-05-31 南京埃斯顿机器人工程有限公司 It is a kind of based on script can secondary development industrial robot programing system
CN107003654A (en) * 2014-09-30 2017-08-01 霍尼韦尔国际公司 Safety and FPGA integrated system
CN107147428A (en) * 2017-05-23 2017-09-08 重庆物奇科技有限公司 A kind of PLC network platform area recognition methods and carrier communication module
CN111210606A (en) * 2020-01-15 2020-05-29 重庆邮电大学 Local micropower wireless interconnection and intercommunication test system in power consumption information acquisition system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7606199B2 (en) * 2005-07-14 2009-10-20 Sharp Laboratories Of America, Inc. Central coordinator selection, handover, backup and failure recovery
US20110010778A1 (en) * 2009-07-09 2011-01-13 Hank Risan Standalone solution for serial copy management system (scms) compliance

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2108735A (en) * 1981-05-01 1983-05-18 Pmjh Electronic Consultants Li Electronic control means
CN107003654A (en) * 2014-09-30 2017-08-01 霍尼韦尔国际公司 Safety and FPGA integrated system
CN105959288A (en) * 2016-05-27 2016-09-21 姹や寒 Network protocol conversion method for power grid system and intercommunication method of power grid system
CN106737676A (en) * 2016-12-28 2017-05-31 南京埃斯顿机器人工程有限公司 It is a kind of based on script can secondary development industrial robot programing system
CN107147428A (en) * 2017-05-23 2017-09-08 重庆物奇科技有限公司 A kind of PLC network platform area recognition methods and carrier communication module
CN111210606A (en) * 2020-01-15 2020-05-29 重庆邮电大学 Local micropower wireless interconnection and intercommunication test system in power consumption information acquisition system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
基于ARM-FPGA的PLC通讯与编译的设计;蒋玉新 等;微电子学与计算机;第30卷(第6期);全文 *

Also Published As

Publication number Publication date
CN111813038A (en) 2020-10-23

Similar Documents

Publication Publication Date Title
CN107168873B (en) Network testing system and method based on script
CN103595717A (en) Household appliance control protocol conversion method and control terminal
CN104317257A (en) System and method for controlling multiple sockets based on wireless internet control
US20140266592A1 (en) Network gateway system and method
CN103634169A (en) A household electrical appliance control system realized based on intelligent terminals
CN111813038B (en) Method and system for simultaneously supporting CCO and STA modes on PLC module
CN103067617A (en) Test terminal driving method and apparatus thereof, and terminal test method and system thereof
CN111818125A (en) Control method of whole-plant merchant RPA robot
CN102402203A (en) System and method for controlling numerical control machine
CN110568946A (en) Port control method, device and medium
CN104158709A (en) Optical module identification method and port extender
CN107222527B (en) Method for controlling internet of things equipment to operate in different modes through configuration file
CN102474195B (en) inverter system and inverter
CN102841634A (en) Server mainboard
CN108536458A (en) A kind of FPGA online upgradings method, apparatus, equipment and storage medium
CN114499700B (en) Method, device, processor and storage medium for realizing Bluetooth module production test and verification by AP intelligent terminal through serial port communication
EP2733887A1 (en) Communication control apparatus, information processing apparatus, and information processing system
CN103605328A (en) STC single chip microcomputer-based embedded programmable logic controller (PLC) industrial control board
CN104539493A (en) Intelligent terminal system and method of management and control over intelligent household electric appliances based on USB interface
CN116315168A (en) Battery management system information updating method and device
CN111414322B (en) Method, system, equipment and storage medium for adapting Nand flash interface working protocol
CN203745856U (en) Embedded PLC industrial control plate based on STC single-chip microcomputer
CN105245840A (en) Data forwarding method and device and camera
CN101625648A (en) Plug and play equipment, firmware upgrade method and firmware upgrade device
CN205375063U (en) Programmable logic controler and control system thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
CB02 Change of applicant information

Address after: 621000 Sichuan Ailian Technology Co.,Ltd., Anzhou Industrial Park, Mianyang City, Sichuan Province

Applicant after: Sichuan Ailian Technology Co.,Ltd.

Address before: 621000 Mianyang city of Sichuan Province, Sichuan Industrial Park, love science and Technology Co.

Applicant before: SICHUAN AI-LINK TECHNOLOGY Co.,Ltd.

CB02 Change of applicant information
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant