CN104950813A - Numerical control machine tool fault diagnosis system based on remote videos - Google Patents
Numerical control machine tool fault diagnosis system based on remote videos Download PDFInfo
- Publication number
- CN104950813A CN104950813A CN201510348591.6A CN201510348591A CN104950813A CN 104950813 A CN104950813 A CN 104950813A CN 201510348591 A CN201510348591 A CN 201510348591A CN 104950813 A CN104950813 A CN 104950813A
- Authority
- CN
- China
- Prior art keywords
- fault
- streaming media
- video
- numerical control
- machine tool
- 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.)
- Granted
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
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
Abstract
The invention discloses a numerical control machine tool fault diagnosis system based on remote videos. The system comprises a numerical control machine tool monitoring module, a video data management module and a fault diagnosis module, wherein the numerical control machine tool monitoring module comprises a camera, a streaming media server and a streaming media client; the video data management module comprises a data management unit and a fault data unit, the data management unit is used for receiving and storing video data recorded and forwarded by the streaming media server, and the fault data unit stores fault information about each kind of faults of a numerical control machine tool in advance and constructs a fault information base; the fault diagnosis module intelligently diagnoses the faults of the numerical control machine tool according to videos displayed by the streaming media client in real time and in combination with the fault information in the fault information base. The system solves the problem of poor timeliness of a traditional diagnosis method, can diagnose the faults of the numerical control machine tool timely and has higher stability, reliability and integrity.
Description
Technical field
The invention belongs to Repairing of Numerically Controlled Machine Tool system regions, more specifically, relate to a kind of Fault diagnosis system for CNC machine based on long-distance video.
Background technology
Along with the fast development of automatic control technology, mechanics of communication, computer technology and Internet technology, networking has become one of main trend of contemporary numerically-controlled machine control technology development, and the networking of numerical control equipment will greatly meet production line, manufacturing system, manufacturing enterprise to the demand of information integerated.Major part Mechanical Manufacturing Enterprises adopts machine tool equipment long-distance video maintenance service system to come processing operational process Real-Time Monitoring, to improve its market respond ability, manufacturing ability and synthesized competitiveness.
Current numerically controlled machine remote video maintenance service system is all based on the installation camera of numerically-controlled machine or digital control system, there is following shortcoming in this preliminary video monitoring: first, the long distance control system that different camera models uses is different, when different enterprises uses different camera, unified monitoring can not be carried out; Secondly, because the multidimensional of numerically-controlled machine is run, the monitoring function that current video monitoring system possesses can not carry out secondary development, can not well agree with the monitoring of numerically-controlled machine, and the management imperfection to video file, cannot modify to database, classify in backstage; Again, current video monitoring system cannot carry out deep intelligent diagnostics based on video file to numerically-controlled machine.These shortcomings make the function of existing remote video system be not fully utilized, and efficiency reduces greatly, affects the performance of enterprises.
Summary of the invention
For above defect or the Improvement requirement of prior art, the invention provides a kind of Fault diagnosis system for CNC machine based on long-distance video, native system is increased income based on VLC the monitoring remote video of player, solve different model camera monitoring system and be difficult to compatible problem, and utilize the video of monitoring in real time to realize the intelligent diagnostics of fault of numerical control machine tool in conjunction with failure message storehouse; In addition, the present invention has also carried out effective management by Data Management Unit to the video file collected, and is thus particularly useful for the inline diagnosis of fault of numerical control machine tool.
For achieving the above object, the present invention proposes a kind of Fault diagnosis system for CNC machine based on long-distance video, it is characterized in that, comprise numerically-controlled machine monitoring module, video data management module and fault diagnosis module, wherein:
This numerically-controlled machine monitoring module comprises the camera, streaming media server and the streaming media clients that are arranged on as on the numerically-controlled machine of object to be measured; Described streaming media server is for receiving and processing and record the video data from described camera, and the described video data after process sends to described streaming media clients, realizes the long-range real-time display of video with this;
This video data management module comprises Data Management Unit and fault data unit, described Data Management Unit records the rear video data forwarded for receiving and storing by described streaming media server, extract the characteristic in above-mentioned video data, and by it stored in tables of data, by calling to tables of data the classification and cleaning that realize video data; Described fault data unit is pre-stored with the failure message of all kinds of faults of numerically-controlled machine, sets up fault tree according to above-mentioned failure message, and then builds fault of numerical control machine tool information bank;
The video that this fault diagnosis module shows in real time according to described streaming media clients, simultaneously in conjunction with the failure message in described fault of numerical control machine tool information bank, realizes the on-line intelligence diagnosis of fault of numerical control machine tool.
Preferred further, between described camera and described streaming media server, and between described streaming media server and described streaming media clients, carried out the transmission of video data by RTSP stream media protocol.
Further preferred, described streaming media clients realizes the broadcasting of long-distance video, time-out, advance, retrogressing, rotation and zoom based on VLC player of increasing income.
Preferred further, described all kinds of fault comprises system display fault, system alarm fault, lathe is anxious stops fault and cutter fault.
Preferred further, export diagnostic result after the diagnosis of fault of numerical control machine tool on-line intelligence.
Preferred further, described characteristic comprises the numerically-controlled machine video record date, records size and fault type.
In general, the above technical scheme conceived by the present invention compared with prior art, mainly possesses following technological merit:
1. monitoring combines with data base administration by the diagnostic module in the present invention, the inquiry of history video data information is realized by Data Management Unit, and realize classification and the management of video data, simultaneously, present invention utilizes the logic reasoning of fault tree, construct failure message storehouse, combine by this failure message storehouse the intelligent diagnostics more comprehensively that the video shown in real time realizes digital control system.
2. video monitoring, video data management and fault diagnosis module are integrated in a system by the present invention, the advantage of video diagnostic mode is highlighted, the diagnosing malfunction to generation in numerically-controlled machine operation of simple, intuitive, and native system can carry out unlimited secondary development, the continuous research be conducive to for fault of numerical control machine tool adjusts.
3. monitoring module of the present invention utilizes VLC player of increasing income to develop, carry out communication by common RTSP stream media protocol, be applicable to the remote port monitoring of different enterprise, different camera, simultaneously, streaming media server and client can be integrated in one end by native system, conveniently administer and maintain.
Accompanying drawing explanation
Fig. 1 is the overall framework figure of the Fault diagnosis system for CNC machine based on long-distance video;
Fig. 2 is intelligent diagnostics reasoning from logic figure.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In addition, if below in described each embodiment of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
Numerically controlled machine remote video fault diagnosis system is equivalent to a long-range system seeing lathe running status and digital control system warning message in real time of energy, by Real-time video content flexecutive can check intuitively after numerically-controlled machine breaks down break down time the operation conditions of lathe and system panel warning message, and utilize the video data obtained, feature extraction and management are carried out to it, realizes the data management of history video and the intelligent trouble diagnosis of numerically-controlled machine.
Fig. 1 is a kind of Fault diagnosis system for CNC machine based on long-distance video of the present invention, and it is by a system integrated to numerically-controlled machine monitoring module, video data database management module and fault diagnosis module, wherein:
This numerically-controlled machine monitoring module comprises the camera be arranged on numerically-controlled machine, streaming media server and streaming media clients; Described streaming media server is equivalent to " terminal " of whole communication for receiving and processing the video data from described camera, and the described video data after process sends to described streaming media clients, realizes the long-range real-time display of video with this.Described streaming media server and streaming media clients are developed based on VLC player of increasing income, player self is utilized to play preferably and controlling functions, the feature of combining with digital control lathe multi-dimensional movement and historical data, carry out secondary development, realize numerically-controlled machine and the good monitoring of digital control system, effective control, to the broadcasting of long-distance video, recording, time-out, advance, retrogressing, rotation, zoom, the major function such as forwarding and The Cloud Terrace, realizes the tentative diagnosis of fault of numerical control machine tool with this.Between described camera and described streaming media server, and between described streaming media server and described streaming media clients, carried out the transmission of video data by RTSP stream media protocol.Described streaming media server and described streaming media clients can be on a port integrated.
This video data management module comprises Data Management Unit and fault data unit, described Data Management Unit adopts PostgreSQL database realizing to the storage of video data, classification and search function, it is mainly recorded according to streaming media server and is forwarded to local video file, then extract and useful characteristic is diagnosed to lathe, as numerically-controlled machine TRDA, record size, fault type etc., and by the tables of data of the above-mentioned video data based on different characteristic stored in PostgreSQL database, by to tables of data call and Logic judgment realizes the classification of local video information and periodic cleaning, and the management function such as retrieval and renewal to history video data, to inquire about and to alleviate the storage burden of database in this respect.Described PostgreSQL database, streaming media server and streaming media clients can not limit secondary secondary development.Described fault data unit is for storing the failure message of all kinds of fault of numerically-controlled machine, fault tree is set up according to above-mentioned failure message, and then build fault of numerical control machine tool information bank, its build need to be based upon certain fault experience Cumulate Sum standard basis on, in the present embodiment according to once occurred in the history maintenance record of numerically-controlled machine and lathe operation instructions or the failure message that can occur in theory build.In addition, the failure message that the numerically-controlled machine stored in PostgreSQL database breaks down also will send to fault data unit, to build complete failure message storehouse, make it comprise the failure message of all fault types.In the present embodiment, described all kinds of fault mainly comprises digital control system display fault, digital control system alarm failure, lathe is anxious stops fault, cutter fault, machine body operation troubles, cutting fluid ejection fault etc.
This fault diagnosis module is for realizing the on-line intelligence diagnosis of fault of numerical control machine tool, and its responsible following two kinds of methods are diagnosed: the real-time monitoring of numerically-controlled machine and the Logic judgment of fault data unit.The real-time monitoring of described numerically-controlled machine refers to that the video content of the real-time display that user sees according to streaming media clients judges fault of numerical control machine tool.The Logic judgment of described fault data unit refer to if intuitively video content cannot efficient diagnosis machine failure time, then utilize the failure message storehouse of fault data cell formation to carry out intelligent trouble diagnosis, it adopts the logic reasoning of fault tree to diagnose.Then diagnose end when realizing the diagnosis of numerically-controlled machine by real-time monitor video, if can not carry out fault diagnosis, then the logic reasoning in conjunction with failure message storehouse carries out intelligent trouble diagnosis, and sends fault diagnosis report.
The Fault diagnosis system for CNC machine based on long-distance video of the present invention is utilized to carry out the step of fault diagnosis as follows:
(1) video monitoring of numerically-controlled machine: by obtaining the form of the RTSP agreement that camera is supported, streaming media server inputs corresponding form and realizes the real-time viewing of video flowing at streaming media clients, wherein RTSP protocol format comprises the user name of camera, password, the IP address of place network and port numbers; Streaming media server, on the basis realizing monitoring in real time, can process video data, such as: being if desired kept at local video file can record it, and can control initial time and the duration of recording; If desired file size is changed, then can forward it.Streaming media server can also control camera simultaneously, when needing the running status closely observing certain position, can control rotation and the zoom of camera.
(2) management of video data: recorded and forwarded the video data got off by streaming media server 3, tables of data is built by manually deleting choosing and extracting characteristic, and tables of data is stored in PostgreSQL database, because PostgreSQL database is PostgreSQL database, so can carry out at any time building or developing, position ID corresponding to the database information built carries out calling, delete, revise or the function such as renewal, finally can realize classification and the retrieval of multiple history video information.
(3) inline diagnosis of fault: the method for diagnosis is based on the video file watched in real time and the intelligent trouble diagnosis based on failure message storehouse.Such as: flower screen or mess code after watching digital control system to power in real time by streaming media clients, this is the preliminary fault diagnosis of carrying out fault type or position, and the reason that this fault can occur by the failure message storehouse built further is analyzed, this fault may be because the interference that system file is destroyed, Installed System Memory is not enough or outside, then respective solution is provided for above-mentioned failure cause, by realizing the effective fault diagnosis of numerically-controlled machine the Logic judgment of database.Wherein, the Logic judgment process in failure message storehouse is as shown in Figure 2: the primary fault phenomenon seen at diagnosis end input video, then searches for the database mated with it, starts to judge, just terminate reasoning when inputted information is not mated with it, provide diagnostic result; When inputted information is mated with it, then judge whether further and multiple information match, if it is need conflict removal, exclusive PCR, if do not had or conflict removal, need to continue to determine whether bottom event, until reasoning terminates, provide diagnostic result.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. based on a Fault diagnosis system for CNC machine for long-distance video, it is characterized in that, comprise numerically-controlled machine monitoring module, video data management module and fault diagnosis module, wherein:
This numerically-controlled machine monitoring module comprises the camera, streaming media server and the streaming media clients that are arranged on as on the numerically-controlled machine of object to be measured; Described streaming media server is for receiving and processing and record the video data from described camera, and the described video data after process sends to described streaming media clients, realizes the long-range real-time display of video with this;
This video data management module comprises Data Management Unit and fault data unit, described Data Management Unit records the rear video data forwarded for receiving and storing by described streaming media server, extract the characteristic in above-mentioned video data, and by it stored in tables of data, by calling to tables of data the classification and cleaning that realize video data; Described fault data unit is pre-stored with the failure message of all kinds of faults of numerically-controlled machine, sets up fault tree according to above-mentioned failure message, and then builds fault of numerical control machine tool information bank;
The video that this fault diagnosis module shows in real time according to described streaming media clients, simultaneously in conjunction with the failure message in described fault of numerical control machine tool information bank, realizes the on-line intelligence diagnosis of fault of numerical control machine tool.
2. as claimed in claim 1 based on the Fault diagnosis system for CNC machine of long-distance video, it is characterized in that, between described camera and described streaming media server, and between described streaming media server and described streaming media clients, carried out the transmission of video data by RTSP stream media protocol.
3. as claimed in claim 1 or 2 based on the Fault diagnosis system for CNC machine of long-distance video, it is characterized in that, described streaming media clients realizes the broadcasting of long-distance video, time-out, advance, retrogressing, rotation and zoom based on VLC player of increasing income.
4. as claimed in claim 3 based on the Fault diagnosis system for CNC machine of long-distance video, it is characterized in that, described all kinds of fault comprises system display fault, system alarm fault, lathe is anxious stops fault and cutter fault.
5. as claimed in claim 4 based on the Fault diagnosis system for CNC machine of long-distance video, it is characterized in that, after the diagnosis of fault of numerical control machine tool on-line intelligence, export diagnostic result.
6. the Fault diagnosis system for CNC machine based on long-distance video as described in claim 4 or 5, is characterized in that, described characteristic comprises the numerically-controlled machine video record date, records size and fault type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510348591.6A CN104950813B (en) | 2015-06-23 | 2015-06-23 | A kind of Fault diagnosis system for CNC machine based on long-distance video |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510348591.6A CN104950813B (en) | 2015-06-23 | 2015-06-23 | A kind of Fault diagnosis system for CNC machine based on long-distance video |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104950813A true CN104950813A (en) | 2015-09-30 |
| CN104950813B CN104950813B (en) | 2017-03-08 |
Family
ID=54165537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510348591.6A Expired - Fee Related CN104950813B (en) | 2015-06-23 | 2015-06-23 | A kind of Fault diagnosis system for CNC machine based on long-distance video |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104950813B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553978A (en) * | 2015-12-14 | 2016-05-04 | 西安科技大学 | Belt conveyor visualization auxiliary maintenance system and interaction process of streaming media |
| CN105578132A (en) * | 2015-12-14 | 2016-05-11 | 西安科技大学 | Belt conveyer remote video maintenance auxiliary diagnosis system |
| CN106940554A (en) * | 2017-05-09 | 2017-07-11 | 上海应用技术大学 | The Digit Control Machine Tool real time data inspecting method for visualizing and system of page end |
| CN108805300A (en) * | 2018-05-30 | 2018-11-13 | 上海理工大学 | Numerically controlled machine remote live collaboration fault diagnosis and maintenance system |
| CN110609774A (en) * | 2019-09-09 | 2019-12-24 | 国网山东省电力公司德州供电公司 | Server fault auxiliary diagnosis system and method based on video image recognition |
| CN111734885A (en) * | 2020-06-30 | 2020-10-02 | 全球能源互联网研究院有限公司 | Converter valve on-line monitoring and evaluating method and system |
| CN116720055A (en) * | 2023-08-09 | 2023-09-08 | 北京合锐赛尔电力科技股份有限公司 | Environment-friendly gas-insulated ring main unit operation fault diagnosis and analysis system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699360A (en) * | 2009-10-30 | 2010-04-28 | 北京数码大方科技有限公司 | Method and system for remote diagnosis of numerical control machine tool |
| CN102830673A (en) * | 2012-08-21 | 2012-12-19 | 广西益江环保科技有限责任公司 | GPRS (General Packet Radio Service) communication-based remote online monitoring system and method for sewage treatment equipment |
| CN103048965A (en) * | 2012-12-17 | 2013-04-17 | 江苏省电力公司 | Visual centralized monitoring system for loading videos of dynamic machine rooms |
| CN103294016A (en) * | 2012-02-24 | 2013-09-11 | 上海庞源机械租赁股份有限公司 | Control center platform for engineering machinery remote monitoring and fault diagnosis |
| CN104570980A (en) * | 2013-10-23 | 2015-04-29 | 沈阳机床(集团)有限责任公司 | B/S-architecture-based cross-platform remote monitoring system for numerical control machining production line |
-
2015
- 2015-06-23 CN CN201510348591.6A patent/CN104950813B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699360A (en) * | 2009-10-30 | 2010-04-28 | 北京数码大方科技有限公司 | Method and system for remote diagnosis of numerical control machine tool |
| CN103294016A (en) * | 2012-02-24 | 2013-09-11 | 上海庞源机械租赁股份有限公司 | Control center platform for engineering machinery remote monitoring and fault diagnosis |
| CN102830673A (en) * | 2012-08-21 | 2012-12-19 | 广西益江环保科技有限责任公司 | GPRS (General Packet Radio Service) communication-based remote online monitoring system and method for sewage treatment equipment |
| CN103048965A (en) * | 2012-12-17 | 2013-04-17 | 江苏省电力公司 | Visual centralized monitoring system for loading videos of dynamic machine rooms |
| CN104570980A (en) * | 2013-10-23 | 2015-04-29 | 沈阳机床(集团)有限责任公司 | B/S-architecture-based cross-platform remote monitoring system for numerical control machining production line |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553978A (en) * | 2015-12-14 | 2016-05-04 | 西安科技大学 | Belt conveyor visualization auxiliary maintenance system and interaction process of streaming media |
| CN105578132A (en) * | 2015-12-14 | 2016-05-11 | 西安科技大学 | Belt conveyer remote video maintenance auxiliary diagnosis system |
| CN106940554A (en) * | 2017-05-09 | 2017-07-11 | 上海应用技术大学 | The Digit Control Machine Tool real time data inspecting method for visualizing and system of page end |
| CN108805300A (en) * | 2018-05-30 | 2018-11-13 | 上海理工大学 | Numerically controlled machine remote live collaboration fault diagnosis and maintenance system |
| CN110609774A (en) * | 2019-09-09 | 2019-12-24 | 国网山东省电力公司德州供电公司 | Server fault auxiliary diagnosis system and method based on video image recognition |
| CN110609774B (en) * | 2019-09-09 | 2023-04-11 | 国网山东省电力公司德州供电公司 | Server fault auxiliary diagnosis system and method based on video image recognition |
| CN111734885A (en) * | 2020-06-30 | 2020-10-02 | 全球能源互联网研究院有限公司 | Converter valve on-line monitoring and evaluating method and system |
| CN111734885B (en) * | 2020-06-30 | 2021-11-30 | 全球能源互联网研究院有限公司 | Converter valve on-line monitoring and evaluating method and system |
| CN116720055A (en) * | 2023-08-09 | 2023-09-08 | 北京合锐赛尔电力科技股份有限公司 | Environment-friendly gas-insulated ring main unit operation fault diagnosis and analysis system |
| CN116720055B (en) * | 2023-08-09 | 2023-10-24 | 北京合锐赛尔电力科技股份有限公司 | Environment-friendly gas-insulated ring main unit operation fault diagnosis and analysis system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104950813B (en) | 2017-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104950813A (en) | Numerical control machine tool fault diagnosis system based on remote videos | |
| CN103296755B (en) | Network online monitoring system for transformer substation | |
| CN107302466B (en) | Big data analysis platform and method for dynamic loop monitoring system | |
| CN103107601B (en) | Web of Things smart power grid operation and maintenance system | |
| CN109669406A (en) | A kind of remote online monitoring system and its workflow of industrial equipment | |
| WO2018064843A1 (en) | System and method for managing infrastructure of data center | |
| CN110728443A (en) | Motor full life cycle management and control system | |
| CN206322012U (en) | A kind of MES system for coal preparation plant | |
| CN103123484A (en) | Transformer substation state monitoring data standardized access system and transformer substation state monitoring data standardized access method | |
| CN103699967A (en) | Panoramic information platform based on electric network regulation and control integration | |
| CN101778264A (en) | Video monitoring method and video monitoring system | |
| CN103440367A (en) | Panoramic data modeling method for transformer substation | |
| CN104218679B (en) | A kind of transformer station's remote auto method for inspecting based on remote viewing system | |
| CN104794566A (en) | Transformer substation online monitoring and auxiliary equipment monitoring system uniform platform | |
| CN201035684Y (en) | Multilevel online monitoring alarm system | |
| CN107065813A (en) | A kind of workshop appliance data monitoring system and method | |
| CN102568147B (en) | Alarm method for software failure of semiconductor device | |
| CN109164720A (en) | Injection molding machine group of planes remote monitoring system and method based on IIoT | |
| CN103813141A (en) | Video comprehensive monitoring system and monitoring method based on stream media | |
| CN203104119U (en) | Internet of Things intelligent grid operation and maintenance system | |
| CN113111261A (en) | Data processing method of cloud platform, cloud platform and panoramic analysis system | |
| CN115480542A (en) | Production line running state and related process data acquisition system | |
| CN204291014U (en) | A kind of machine room monitoring system | |
| CN207488809U (en) | Pipe production line automatic information management system | |
| CN103353749A (en) | Oilfield paraffin removal operation equipment remote monitoring system based on the Internet of Things |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20180623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |