CN101854083A - Adaptive device for realizing A/D conversion protocol of power equipment - Google Patents

Adaptive device for realizing A/D conversion protocol of power equipment Download PDF

Info

Publication number
CN101854083A
CN101854083A CN201010168655A CN201010168655A CN101854083A CN 101854083 A CN101854083 A CN 101854083A CN 201010168655 A CN201010168655 A CN 201010168655A CN 201010168655 A CN201010168655 A CN 201010168655A CN 101854083 A CN101854083 A CN 101854083A
Authority
CN
China
Prior art keywords
protocol
data
module
power equipment
translation
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
Application number
CN201010168655A
Other languages
Chinese (zh)
Inventor
王炅
林洁生
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.)
GUANGZHOU HELIZHENG COMMUNICATION NETWORK INTEGRATIOIN CO Ltd
Original Assignee
GUANGZHOU HELIZHENG COMMUNICATION NETWORK INTEGRATIOIN 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 GUANGZHOU HELIZHENG COMMUNICATION NETWORK INTEGRATIOIN CO Ltd filed Critical GUANGZHOU HELIZHENG COMMUNICATION NETWORK INTEGRATIOIN CO Ltd
Priority to CN201010168655A priority Critical patent/CN101854083A/en
Publication of CN101854083A publication Critical patent/CN101854083A/en
Pending legal-status Critical Current

Links

Images

Abstract

The invention provides an adaptive device for realizing the A/D conversion protocol of power equipment, and belongs to the field of adaptability of interface protocols of the power equipment of the intelligent grid. The adaptive device mainly comprises an SOC microprocessor module, a protocol database module and a protocol analysis module. The adaptive device improves the protocol conversion efficiency, provides convenience to data intercommunication for enterprises, reduces the application cost, realizes long-distance centralized automatic data acquisition and converts different communication protocols in a system into one standard communication protocol by cooperation of each modules.

Description

A kind of self-reacting device of realizing power equipment A/D translation-protocol
Technical field
The invention belongs to the adaptive technique field of intelligent grid power equipment interface protocol, particularly relate to a kind of self-reacting device that is applied to intelligent grid controller switching equipment data acquisition A/D translation-protocol.
Technical background
Along with the continuous development of computer technology and control technology, the power automation technology is rapidly developed.For guaranteeing to become the fail safe and the reliability of power distribution room equipment operation, the various parameters of electric power and the light current Control Parameter that become distribution machine room equipment operation all need wired or wireless mode to gather and upload to administrative center.In the data acquisition of the equipment of low voltage distribution field, the equipment of each producer has the disunity of common electric-control system at present: dissimilar, that different manufacturers is produced its communication interface of equipment and communication protocol disunity, and the communication channel difference of using; Monitored target is adopted distributed collection, disperse transmission manner to monitor, distinct device is monitored needs different communications terminals thus, and can take many communication channels, causes the maintenance cost of communication channel high, forms waste.Particularly the parameters of electric power measure and control device of each power equipment producer all adopts RS485, CAN, industrial bus (as PRoFIBus, Lonworks bus etc.) to carry out data output usually at present, the interface protocol of each producer and A/D conversion definition do not have unified standard, data compatible relatively poor, be unfavorable for the unified management of intelligent grid data acquisition, so the present invention has remedied the prior art deficiency.
Summary of the invention
The objective of the invention is to overcome the defective and the deficiency of prior art, a kind of self-reacting device of realizing power equipment A/D translation-protocol is provided, principle of the present invention adopts the SOC Embedded System Structure based on ARM+DSP, comprise the hardware adaptations platform, systems soft ware platform and application software, adopt the TF card memory as data server, set up database, the bus of different agreement realizes mutual protocol conversion by protocol analysis module accesses database, communication between data sharing and the networks of different protocol, carry general-purpose interface collection site power equipment and have the data of standard communication protocol equipment, running status to on-the-spot power equipment is back with various buses such as RS 485 by the A/D conversion, CAN, the frame structure of the data of transmission such as industrial bus is resolved, producer in the recognition data frame, model code, automatically call in the database transfer of data translation-protocol of each corresponding in agreement pond producer, data are changed into the data of the ICP/IP protocol of standard, again data are sent to data cache module and carry out buffer memory, call in order to outer remote.The invention of this device solves problems such as existing power controller switching equipment procotol is many, complex interfaces, can realize the conversion between existing most of agreement, provide comprehensive data transaction scheme from physical layer, data link layer to application layer, make the final application layer of electric power enterprise have only a single procotol, make things convenient for the data interchange of electric power enterprise, reduce application cost.
For realizing this present invention's purpose, the technical scheme of employing is as follows:
A kind of self-reacting device of realizing power equipment A/D translation-protocol, employing is based on the SOC Embedded System Structure of ARM+DSP, comprise hardware adaptations platform, systems soft ware platform and application software, this device is made up of following three parts: the SOC microprocessor module, the protocol data library module, the protocol analysis module.This device adopts the TF card memory as the protocol data library module, the bus of different agreement carries general-purpose interface collection site power equipment and has the data of standard communication protocol equipment by the communication between the realization of protocol analysis module accesses database mutual protocol conversion, data sharing and the networks of different protocol.
Described SOC microprocessor module also comprises microprocessor, RAM memory, clock circuit, reset circuit;
Described protocol data library module comprises protocol data library unit and Date Conversion Unit;
Described protocol data library unit the is built-in transfer of data translation-protocol of each producer calls the data of transmission such as resolving RS485, CAN bus, industrial bus in order to data resolution module;
Data after described Date Conversion Unit is resolved the data parsing module are carried out the ICP/IP protocol conversion, call in order to external interface;
Described protocol analysis module comprises protocol analysis unit and data buffer storage unit;
Resolve with the frame structure of the data of transmission such as various buses such as RS 485, CAN, industrial bus by A/D conversion back the running status of on-the-spot power equipment described protocol analysis unit, producer in the recognition data frame, model code, the transfer of data translation-protocol of each corresponding producer in the agreement pond in the automatic invocation protocol database module, output to data buffer storage unit again, call in order to data conversion module; Multitask mechanism is in real time also introduced in the protocol analysis unit, and operating system is that every kind of agreement distributed a real-time task, bears the control scheduling of the parsing of different agreement data message.
Described Date Conversion Unit is as the metadata cache between the data conversion module in data resolution module and the protocol data library module.
The self-reacting device of described power equipment A/D translation-protocol, the hardware adaptations platform adopts modular to divide, primary module is the SOC module, other separation modules comprise RS485 interface module, CAN bus interface module, industrial bus interface module, protocol analysis module, TF card storage module and data outputting module, intermodule communication using system bus interface is wherein used separately or a plurality of use with a kind of separation module.
The self-reacting device that described power equipment A/D conversion is assisted, it is characterized in that: the systems soft ware platform adopts operating system WINDOWSCE, driver under the WINDOWSCE comprises that CAN drives, network interface drives, the TF card drives, industrial bus, drives and file system.
The self-reacting device that described power equipment A/D conversion is assisted, concrete implementation step is as follows:
1) SOC microprocesser initialization;
2) WINDOWS CE operating system initialization;
3) read in CAN driving, RS-485 interface, the driving of industrial bus interface, network interface driving, the driving of TF card and file system;
4) difference initialization RS485 interface module, CAN bus interface module, industrial bus interface module,
5) start protocol database;
6) scanning RS485 interface, CAN bus interface, industrial bus interface are every type data and set up a real-time task in case receive legal text;
7) in the protocol analysis module invokes protocol Data Unit in the agreement pond transfer of data translation-protocol of each corresponding producer carry out data parsing, and deposit data in data buffer storage unit;
8) by Date Conversion Unit the data in the data buffer unit are changed, the normal data that converts TCP/IP to calls in order to external interface.
The self-reacting device that described power equipment A/D conversion is assisted is compared with the available data conversion equipment, has following outstanding characteristics and marked improvement:
1) the present invention proposes a general transformation model that is fit to most power distribution room power equipment producer popular protocol, can solve problems such as existing industry control network agreement is many, complex interfaces.
2) the present invention introduces multiple task operating system, sets up data respectively for every kind of different agreement and resolves convert task, makes a plurality of tasks can parallel running in single SOC system, has improved the efficient of protocol conversion.
3) the present invention can realize the conversion between existing most of agreement, provide comprehensive data transaction scheme from physical layer, data link layer to application layer, make the final application layer of enterprise have only a single procotol, make things convenient for the data interchange of enterprise, reduce application cost.
4) device provided by the invention can be widely used in the industries such as electric power, telecommunications, mine, building automatic, and in order to realize the remote centralized automatic data acquisition, the device translates that reaches the different communications protocol of an internal system is a kind of unified communications protocol.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an application schematic diagram of the present invention;
Fig. 3 is implementing procedure figure of the present invention.
Embodiment
The present invention is described further below in conjunction with accompanying drawing
Structural representation of the present invention is as shown in Figure 1: a kind of self-reacting device of realizing power equipment A/D translation-protocol comprises the SOC microprocessor module, protocol data library module, protocol analysis module.
Application schematic diagram of the present invention as shown in Figure 2, the hardware foundation of this device comprises that the SOC microprocessor module (comprises microprocessor, the RAM memory, clock circuit, reset circuit), TF card memory (protocol data library module), RS-485 interface module circuit, CAN bus interface module circuit, the industrial bus interface module, protocol analysis module, Ethernet interface etc.
SOC microprocessor module acp chip of the present invention is selected the AT91SAM9261 of atmel corp for use, this working frequency of chip is 200Mbps, integrated sdram controller and FLASH controller, 32M RAM memory and TF card memory have been extended out by system bus, connect Ethernet interface chip DM9000A by system bus, add corresponding Network Interface Module and set up the 10/100M mixed-media network modules mixed-media, connect RS-485 module, CAN bus module, industrial bus module by system bus.This apparatus system software platform adopts operating system WINDOWSCE, and the driver under the WINDOWSCE comprises CAN driving, network interface driving, the driving of TF card, industrial bus, driving and file system.
The protocol data library module of this invention comprises protocol data library unit and Date Conversion Unit.The protocol data library unit the is built-in transfer of data translation-protocol of each producer calls the data of transmission such as resolving RS485, CAN bus, industrial bus in order to data resolution module; Data after Date Conversion Unit is resolved the data parsing module are carried out the ICP/IP protocol conversion, call in order to external interface;
The protocol analysis module stores is in the TF card memory, this module comprises protocol analysis unit and data buffer storage unit, the protocol analysis unit can be resolved with the frame structure of the data of transmission such as various buses such as RS 485, CAN, industrial bus by A/D conversion back the running status of on-the-spot power equipment, producer in the recognition data frame, model code, the transfer of data translation-protocol of each corresponding producer in the agreement pond in the automatic invocation protocol database module, output to data buffer storage unit again, call in order to Date Conversion Unit; Multitask mechanism is in real time also introduced in the protocol analysis unit, and operating system is that every kind of agreement distributed a real-time task, bears the control scheduling of the parsing of different agreement data message.Date Conversion Unit is as the metadata cache between the data conversion module in data resolution module and the protocol data library module.
Power equipment A, power equipment B, the running status of power equipment C is back with various buses such as RS 485 by the A/D conversion, CAN, industrial bus etc. are transferred to the RS-485 interface module of this device, CAN bus interface module and industrial bus interface module, data parsing element circuit by data resolution module is resolved the frame structure of input data, producer in the recognition data frame, model code, automatically call in the database transfer of data translation-protocol of each corresponding in agreement pond producer, data are changed into the data of the ICP/IP protocol of standard, again data are sent to data cache module and carry out buffer memory, carry out far call by the 10M/100M mixed-media network modules mixed-media in order to external equipment.
Implementing procedure figure of the present invention as shown in Figure 3, the concrete implementation step of this example is as follows:
1) SOC microprocesser initialization;
2) WINDOWS CE operating system initialization;
3) read in the driving of CAN bus interface, RS-485 interface, industrial bus driving, network interface driving, the driving of TF card and file system;
4) difference initialization RS485 interface module, CAN bus interface module, industrial bus interface module;
5) start protocol database;
6) scanning RS485 interface, CAN bus interface, industrial bus interface are every type data and set up a real-time task in case receive legal text;
7) in the protocol analysis module invokes protocol Data Unit in the agreement pond transfer of data translation-protocol of each corresponding producer carry out data parsing, and deposit data in data buffer storage unit;
8) by Date Conversion Unit the data in the data buffer unit are changed, the normal data that converts TCP/IP to calls in order to external interface.

Claims (6)

1. self-reacting device of realizing power equipment A/D translation-protocol, its feature comprises: SOC microprocessor module, protocol data library module and protocol analysis module.
2. the self-reacting device of realization power equipment A/D translation-protocol according to claim 1 is characterized in that described SOC microprocessor module also comprises microprocessor, RAM memory, clock circuit, reset circuit.
3. the self-reacting device of realization power equipment A/D translation-protocol according to claim 1 is characterized in that described protocol data library module also comprises protocol data library unit and Date Conversion Unit.
4. the self-reacting device of realization power equipment A/D translation-protocol according to claim 1 is characterized in that described protocol analysis module also comprises protocol analysis unit and data buffer storage unit.
5. the self-reacting device of realization power equipment A/D translation-protocol according to claim 4, it is characterized in that described protocol analysis unit resolves with the frame structure of the data of various bus transfer by A/D conversion back, producer in the recognition data frame, model code, the transfer of data translation-protocol of each corresponding producer in the agreement pond in the automatic invocation protocol database module, output to data buffer storage unit again, call in order to data conversion module.
6. the self-reacting device of realization power equipment A/D translation-protocol according to claim 3 is characterized in that described Date Conversion Unit is as the metadata cache between the data conversion module in data resolution module and the protocol data library module.
CN201010168655A 2010-04-30 2010-04-30 Adaptive device for realizing A/D conversion protocol of power equipment Pending CN101854083A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010168655A CN101854083A (en) 2010-04-30 2010-04-30 Adaptive device for realizing A/D conversion protocol of power equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010168655A CN101854083A (en) 2010-04-30 2010-04-30 Adaptive device for realizing A/D conversion protocol of power equipment

Publications (1)

Publication Number Publication Date
CN101854083A true CN101854083A (en) 2010-10-06

Family

ID=42805395

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010168655A Pending CN101854083A (en) 2010-04-30 2010-04-30 Adaptive device for realizing A/D conversion protocol of power equipment

Country Status (1)

Country Link
CN (1) CN101854083A (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102457418A (en) * 2010-10-30 2012-05-16 乔焕平 Information system for complete equipment informatization
CN102546599A (en) * 2011-12-16 2012-07-04 深圳中兴网信科技有限公司 Method for implementing equivalent conversion of different protocol data
CN102779108A (en) * 2011-05-12 2012-11-14 上海联影医疗科技有限公司 Spectrometer external device connection module
CN103046962A (en) * 2013-01-17 2013-04-17 四川省安全科学技术研究院 Mine end data monitoring device for coal mines
CN103294631A (en) * 2013-06-14 2013-09-11 成都思迈科技发展有限责任公司 Buffer storage circuit used for balancing interface rates
CN103354562A (en) * 2013-07-04 2013-10-16 李远正 Energy consumption collector, energy consumption collecting system and energy consumption collecting method
CN103391282A (en) * 2013-06-25 2013-11-13 深圳市国电科技通信有限公司 Method for achieving data transmission of power consumption information collecting system in data link layer
CN103683496A (en) * 2013-11-25 2014-03-26 许继电气股份有限公司 Plug and play power equipment protocol changing method and device
CN105869385A (en) * 2016-05-17 2016-08-17 华南理工大学 Electrical power system data acquisition and transmission on-chip system supporting IEC61850
CN106209968A (en) * 2016-06-16 2016-12-07 西安佳信系统集成有限责任公司 A kind of Internet of Things data intelligence integration middleware
CN107390636A (en) * 2017-08-28 2017-11-24 德阳杰创科技有限公司 A kind of numerical control device operational monitoring method and maintaining method and system
CN107770022A (en) * 2017-10-20 2018-03-06 深圳益邦阳光有限公司 Collecting method, electronic equipment and storage medium based on rtu protocol
CN108234657A (en) * 2018-01-04 2018-06-29 江苏十月中宸科技有限公司 A kind of high performance information safe processing system based on Internet of Things
CN109143940A (en) * 2018-10-16 2019-01-04 苏州琅润达检测科技有限公司 A kind of universal data acquisition unit
CN111026022A (en) * 2019-12-26 2020-04-17 北京和利时智能技术有限公司 Hardware configuration method of editable logic controller and related device
CN115512508A (en) * 2022-10-20 2022-12-23 九江中船消防设备有限公司 Many detection unit compatible type marine fire alarm system
CN115791210A (en) * 2023-02-01 2023-03-14 江苏魔视智能科技有限公司 Vehicle testing method and device and electronic equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1697448A (en) * 2005-04-21 2005-11-16 上海大学 Multi protocol conversion method and device between MODBUS/TCP industry Ethernet and field bus device network as well as field bus of PRofibus DP
CN201118640Y (en) * 2007-07-20 2008-09-17 核工业理化工程研究院 Multi-interface communication protocol converter
CN101325565A (en) * 2008-07-30 2008-12-17 北京华电天仁电力控制技术有限公司 Unidirection insulation network brake with protocol conversion function
CN101626351A (en) * 2008-07-09 2010-01-13 青岛高校信息产业有限公司 Multiprotocol data acquisition gateway

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1697448A (en) * 2005-04-21 2005-11-16 上海大学 Multi protocol conversion method and device between MODBUS/TCP industry Ethernet and field bus device network as well as field bus of PRofibus DP
CN201118640Y (en) * 2007-07-20 2008-09-17 核工业理化工程研究院 Multi-interface communication protocol converter
CN101626351A (en) * 2008-07-09 2010-01-13 青岛高校信息产业有限公司 Multiprotocol data acquisition gateway
CN101325565A (en) * 2008-07-30 2008-12-17 北京华电天仁电力控制技术有限公司 Unidirection insulation network brake with protocol conversion function

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102457418A (en) * 2010-10-30 2012-05-16 乔焕平 Information system for complete equipment informatization
CN102779108A (en) * 2011-05-12 2012-11-14 上海联影医疗科技有限公司 Spectrometer external device connection module
CN102546599A (en) * 2011-12-16 2012-07-04 深圳中兴网信科技有限公司 Method for implementing equivalent conversion of different protocol data
CN103046962A (en) * 2013-01-17 2013-04-17 四川省安全科学技术研究院 Mine end data monitoring device for coal mines
CN103046962B (en) * 2013-01-17 2015-09-16 四川安信科创科技有限公司 A kind of colliery ore deposit end data supervising device
CN103294631A (en) * 2013-06-14 2013-09-11 成都思迈科技发展有限责任公司 Buffer storage circuit used for balancing interface rates
CN103391282A (en) * 2013-06-25 2013-11-13 深圳市国电科技通信有限公司 Method for achieving data transmission of power consumption information collecting system in data link layer
CN103354562B (en) * 2013-07-04 2017-04-12 李远正 Energy consumption collector, energy consumption collecting system and energy consumption collecting method
CN103354562A (en) * 2013-07-04 2013-10-16 李远正 Energy consumption collector, energy consumption collecting system and energy consumption collecting method
CN103683496A (en) * 2013-11-25 2014-03-26 许继电气股份有限公司 Plug and play power equipment protocol changing method and device
CN103683496B (en) * 2013-11-25 2016-02-03 许继电气股份有限公司 A kind of power equipment protocol variation of plug and play and device
CN105869385A (en) * 2016-05-17 2016-08-17 华南理工大学 Electrical power system data acquisition and transmission on-chip system supporting IEC61850
CN106209968A (en) * 2016-06-16 2016-12-07 西安佳信系统集成有限责任公司 A kind of Internet of Things data intelligence integration middleware
CN107390636A (en) * 2017-08-28 2017-11-24 德阳杰创科技有限公司 A kind of numerical control device operational monitoring method and maintaining method and system
CN107770022A (en) * 2017-10-20 2018-03-06 深圳益邦阳光有限公司 Collecting method, electronic equipment and storage medium based on rtu protocol
CN107770022B (en) * 2017-10-20 2021-08-06 深圳益邦阳光有限公司 Data acquisition method based on RTU protocol, electronic equipment and storage medium
CN108234657A (en) * 2018-01-04 2018-06-29 江苏十月中宸科技有限公司 A kind of high performance information safe processing system based on Internet of Things
CN109143940A (en) * 2018-10-16 2019-01-04 苏州琅润达检测科技有限公司 A kind of universal data acquisition unit
CN111026022A (en) * 2019-12-26 2020-04-17 北京和利时智能技术有限公司 Hardware configuration method of editable logic controller and related device
CN115512508A (en) * 2022-10-20 2022-12-23 九江中船消防设备有限公司 Many detection unit compatible type marine fire alarm system
CN115791210A (en) * 2023-02-01 2023-03-14 江苏魔视智能科技有限公司 Vehicle testing method and device and electronic equipment

Similar Documents

Publication Publication Date Title
CN101854083A (en) Adaptive device for realizing A/D conversion protocol of power equipment
CN101262473B (en) EPA industrial Ethernet and HART field bus interconnection method
CN101109951B (en) Transforming plant intelligent electronic equipment access system
CN103439951A (en) Information intelligent terminal system of EtherCAT field bus
CN108490251B (en) Satisfy digital electric energy metering device of 3/2 wiring
CN104767598B (en) A kind of data transmission system and its method between energy-accumulating power station field device
CN103034220A (en) Power plant integrated controller
CN201163782Y (en) Intelligent network gateway used for EPA/HART interconnection
CN101311959A (en) Preposing subsystem of electric power scheduling automatization system
CN101902380B (en) FF field bus control system based on ZigBee and protocol conversion method thereof
CN109274688A (en) A kind of design and implementation methods of substation's specification conversion function
CN101883036A (en) Method for converting multi-path RS485 bus into CAN (Controller Area Network) bus in the manner of self-adapting
CN202120103U (en) Distributed control system used for production process automation
CN201047986Y (en) Bus type automatically remote meter-reading system
CN202998165U (en) Electrical power monitoring and controlling communication converter
CN201819954U (en) 0.5-level single-phase electronic energy meter
CN201247522Y (en) System for monitoring electric force image and cooperating SCADA
CN209765325U (en) Industrial Internet control acquisition system
CN202331168U (en) Embedded controller for intelligent building terminal unit integration
CN107171440B (en) System for collecting electrical data of switch cabinet by intelligent transformer terminal and collecting method thereof
CN202906948U (en) Communication apparatus based on modbus_RTU bus
CN204856184U (en) But boiler intelligent system of remote monitoring
CN103457822A (en) Method for interconnection between CUDA loop network and H.265 protocol
CN102801801A (en) Real-time remote intelligent data transmission system of large-scale photovoltaic power station group
CN203455684U (en) Information intelligent terminal system of EtherCAT fieldbus

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C53 Correction of patent of invention or patent application
CB02 Change of applicant information

Address after: The 10 floor of a Golden Star Building, 510630 Guangdong city of Guangzhou province Tianhe District Wushan hanvision Road

Applicant after: Guangzhou Horizontal Information Technology Co., Ltd.

Address before: The 10 floor of a Golden Star Building, 510630 Guangdong city of Guangzhou province Tianhe District Wushan hanvision Road

Applicant before: Guangzhou Helizheng Communication Network Integratioin Co., Ltd.

COR Change of bibliographic data

Free format text: CORRECT: APPLICANT; FROM: GUANGZHOU HELIZHENG COMMUNICATION NETWORK INTEGRATIOIN CO., LTD. TO: GUANGZHOU HORIZONTAL INFORMATION TECHNOLOGY CO., LTD.

C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20101006