CN103576056A - System for monitoring operating state of electric transmission line - Google Patents
System for monitoring operating state of electric transmission line Download PDFInfo
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- CN103576056A CN103576056A CN201310572224.5A CN201310572224A CN103576056A CN 103576056 A CN103576056 A CN 103576056A CN 201310572224 A CN201310572224 A CN 201310572224A CN 103576056 A CN103576056 A CN 103576056A
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- running state
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a system for monitoring the operating state of an electric transmission line. A terminal node collects the operating state information on the electric transmission line in a real-time mode, and sends the operating state information, wherein the electric transmission line is the place where the terminal node is located; a hand-held terminal is connected with the terminal node through the wireless network, receives the operating state information sent by the terminal node and judges whether the electric transmission line is normal or not according to the operating state information. As the terminal node collects the operating state information of the three-phase electric transmission line in a real-time mode, patrol personnel can clearly know the operating state of the current line when passing a monitored point.
Description
Technical field
The present invention relates to transmission line of electricity monitoring running state field, relate in particular to a kind of transmission line of electricity operating state monitoring system.
Background technology
On distribution overhead transmission line, because the network distribution transformer moving is now mainly pole type transformer, general pole type transformer does not have information about power harvester.Along with the development of technology, the monitoring equipment of the line current generally adopting is at present overhead transmission line Intellectualized Switchgear and line-failure indicator.
Use Intellectualized Switchgear to gather power matching network transmission line of electricity electric weight, Intellectualized Switchgear gathers electric current and magnitude of voltage by inner electric current and voltage transformer (VT), and by optical-fiber communication channel independently, information conveyance is displayed to background server.Equipment needs independent fiber plant transmission line, for line data-logging personnel, by optical fiber transmission line transmission information, is unfavorable for carrying out of the work of patrolling and examining.
On distribution overhead transmission line, using line-failure indicator, is mainly the effect of device fault alarm on transmission line of electricity, when various fault appears in circuit, can report to the police by the form of board turning and flashing light.Terminal device uploads to base station by wireless mode information, by base-station transmission, arrive background server, by line-failure indicator, gather the mode of the information on transmission line of electricity, then independent image data uploads to background server, does not have and the work of patrolling and examining combines.
In sum, no matter be adopt Intellectualized Switchgear or adopt line-failure indicator, all there is the problem that can not combine with the work of patrolling and examining.
Summary of the invention
In view of this, the invention provides a kind of transmission line of electricity operating state monitoring system, to solve the shortcoming that can not combine with the work of patrolling and examining in prior art, its concrete scheme is as follows:
An operating state monitoring system, comprising:
Be arranged on the terminal node on three phase line, described terminal node is connected with handheld terminal by wireless network;
Running state information described in described terminal node Real-time Collection on the transmission line of electricity at terminal node place, and send described running state information;
Described handheld terminal is connected with described terminal node by wireless network, receives the running state information that described terminal node sends, and judges according to described running state information whether described transmission line of electricity operation is normal.
Further, also comprise: the base station being connected with described terminal node, the server being connected with described base station,
Described base station is arranged on the shaft tower of described three phase line, receives the running state information that described terminal node sends, and described running state information is sent to described server;
Described server receives the running state information that described base station sends, and according to described running state information, monitors the running status of described three phase line.
Further, described terminal node specifically comprises:
Sensor assembly, the AD modular converter being connected with described sensor assembly, the signal processing unit being connected with described AD modular converter, the signal transmitting module being connected with described signal processing unit,
Described sensor assembly gathers running state information, electric power energy and the line temperature on the transmission line of electricity at described terminal node place, and described running state information is simulating signal, and described running state information is sent to described AD modular converter;
Described AD modular converter receives the running state information that described sensor assembly gathers, and the running state information of described simulating signal is converted to the running state information of digital signal, is sent to described signal processing unit;
Described signal processing unit receives the running state information of described digital signal, and is sent to described signal transmitting module after the described information receiving is processed;
Described signal transmitting module receives the running state information after described processing, and the running state information after described processing is amplified and sent.
Further, described sensor assembly comprises: current transformer, temperature sensor.
Further, also comprise: the power module being connected respectively with described sensor assembly, AD modular converter, signal processing unit and signal transmitting module,
Described power module receives the electric power energy that described sensor assembly gathers, and provides voltage for described AD modular converter, signal processing unit and signal transmitting module.
Further, described power module comprises: Voltage stabilizing module,
Described Voltage stabilizing module receives the electric power energy that described sensor assembly gathers, and is available electrical energy, for described AD modular converter, signal processing unit, signal transmitting module provide electric energy by the described electric power Conversion of Energy receiving.
Further, described power module also comprises: the of short duration energy-storage module being connected with described Voltage stabilizing module and signal processing unit,
Described of short duration energy-storage module receives the available electrical energy that described Voltage stabilizing module sends, when described signal processing unit detects available electrical energy that Voltage stabilizing module provides lower than default electric energy, enable described of short duration energy-storage module, and make described signal processing unit send warning message.
Further, described signal processing unit is processed the described information receiving specifically and is comprised: the described information receiving is encoded, encrypted.
Further, described terminal node is separately positioned on every transmission line of electricity on described three phase line.
Further, described base station receives the running state information that described terminal node sends and specifically comprises:
Described base station receives by wireless network the running state information that described terminal node sends.
Further, described base station receives the running state information that described terminal node sends, and described running state information is sent to described server specifically comprises:
Described base station receives the running state information that described terminal node sends, and by electric power wireless private network, described running state information is sent to described server.
From technique scheme, can find out, the running state information described in described terminal node Real-time Collection on the transmission line of electricity at terminal node place, and send described running state information; Described handheld terminal is connected with described terminal node by wireless network, receives the running state information that described terminal node sends, and judges according to described running state information whether described transmission line of electricity operation is normal.The present invention is the Real-time Collection to three phase line running state information by terminal node, makes patrol officer when through monitoring point, can clearly know the running status of current circuit.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed a kind of transmission line of electricity operating state monitoring system of the embodiment of the present invention;
Fig. 2 is the structural representation of the disclosed a kind of terminal node of the embodiment of the present invention;
Fig. 3 is the structural representation of the disclosed a kind of terminal node of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The structural representation of a kind of transmission line of electricity operating state monitoring system disclosed by the invention as shown in Figure 1, comprising:
Be arranged on the terminal node 11 on three phase line, the handheld terminal 12 being connected by wireless network with described terminal node 11.
Running state information described in described terminal node 11 Real-time Collections on the transmission line of electricity at terminal node 11 places, and described running state information is sent.
Described handheld terminal 12 receives the running state information that described terminal node 11 sends, and judges according to described running state information whether described transmission line of electricity operation is normal.
Wherein, terminal node 11 is all set respectively, so that respectively every transmission line of electricity is carried out to the monitoring of running status on every circuit on described three phase line.
The disclosed transmission line of electricity operating state monitoring system of the present embodiment, by the running state information on the transmission line of electricity at terminal node place described in terminal node Real-time Collection, and sends described running state information; Described handheld terminal is connected with described terminal node by wireless network, receives the running state information that described terminal node sends, and judges according to described running state information whether described transmission line of electricity operation is normal.The present embodiment is the Real-time Collection to three phase line running state information by terminal node, makes patrol officer when through monitoring point, can clearly know the running status of current circuit.
Further, the disclosed transmission line of electricity operating state monitoring system of the present embodiment can also comprise: the base station 13 being connected with described terminal node 11, the server 14 being connected with described base station 13.
Described base station 13 is arranged on the shaft tower of described three phase line, receives the running state information that described terminal node 11 sends, and described running state information is sent to described server 14.
Preferably, described terminal node 11 sends running state information, base station 13 receives by wireless network the running state information that described terminal node 11 sends, and wherein, the reception of the running state information that terminal node 11 is sent also can be realized by wired connection in base station 13.
Preferably, described base station 13 receives by wireless network the running state information that described terminal node 11 sends, in base station, 13 inside are converted to electric power wireless private network agreement by described wireless network protocol, and by electric power wireless private network, described running state information are sent to server 14.
The disclosed transmission line of electricity operating state monitoring system of the present embodiment, running state information terminal node being collected by base station is sent to server, thereby realize the remote monitoring to transmission line of electricity running status, reduced patrol officer's workload, improved work efficiency.
The present embodiment discloses a kind of concrete structure schematic diagram of terminal node, as shown in Figure 2, comprising:
Running state information, electric power energy and circuit running temperature on the transmission line of electricity at the terminal node place that described sensor assembly 21 collections are corresponding, described running state information is simulating signal, and described running state information is sent to and searches book AD modular converter 22.
Described AD modular converter 22 receives the running state information that described sensor assembly 21 sends, and by described for the running state information of simulating signal is converted to the running state information of digital signal, be sent to described signal processing unit 23.
Described signal processing unit 23 receives the running state information of described digital signal, and is sent to described signal transmitting module 24 after the described information receiving is processed, wherein, described information is processed to be specially information is encoded, is encrypted.
The running state information that described signal transmitting module 24 receives after described processing, amplifies the running state information after described processing send.
Preferably, described sensor assembly 21 comprises: high precision current transformer, temperature sensor.
Current transformer can provide accurate electric current metering to gather; Temperature sensor can provide accurate circuit running temperature.
Further, the disclosed terminal node of the present embodiment also comprises: the power module 25 being connected respectively with described sensor assembly 21, AD modular converter 22, signal processing unit 23 and signal transmitting unit 24.
Described power module 25 receives the electric power energy that described sensor assembly gathers, and is available electrical energy by described electric power Conversion of Energy, for described AD modular converter 22, signal processing module 23 and signal transmitting module 34 provide electric energy.
The disclosed terminal node of the present embodiment, by sensor assembly, AD modular converter, signal processing unit, signal transmitting unit and power module, realization is to the collection of transmission line of electricity running state information and transmission, for patrol officer's the work of patrolling and examining provides necessary signals collecting and delivering path, accurate Real-time Collection and the transmission of signal have been realized.
Further, the concrete structure of the disclosed a kind of terminal node of the present embodiment as shown in Figure 3, comprising:
The Voltage stabilizing module 251 being connected respectively with described sensor assembly 21, AD modular converter 22, signal processing unit 23 and signal transmitting module 24.
Described Voltage stabilizing module 251 receives the electric power energy that described sensor assembly 21 gathers, by the described electric power Conversion of Energy receiving, it is available electrical energy, for described AD modular converter 22, signal processing unit 23 and signal transmitting module 24 provide electric energy, make terminal node normal operation.
Further, the disclosed power module of the present embodiment can also comprise: the of short duration energy-storage module 252 being connected with described Voltage stabilizing module 251 and signal processing unit 23.
Described of short duration energy-storage module 252 receives the available electrical energy of described Voltage stabilizing module 251 transmittings, when signal processing module detects available electrical energy that Voltage stabilizing module 251 provides lower than default electric energy, enable described of short duration energy-storage module 252, and make described signal processing unit 23 send warning message.
Described of short duration energy-storage module 252 can be capacitive means, and Voltage stabilizing module 251, for of short duration energy-storage module 252 provides electric energy, is capacitive means charging, till being full of.When sensor assembly 21 detects circuit electric energy lower than certain value, can not provide sufficient energy for Voltage stabilizing module 251, Voltage stabilizing module 251 just can not provide energy for whole device.Now, signal processing unit 23 can detect the deficiency of energy, enables of short duration energy-storage module 252.Of short duration energy-storage module 252 provides of short duration energy to described signal processing unit 23, make described signal processing unit 23 send alerting signal, of short duration energy-storage module 252 also no longer can be for signal processing unit 23 provides electric energy afterwards, and whole power module is in dormant state.Until sensor assembly 21 detects circuit energy while reaching certain value, can provide sufficient energy for Voltage stabilizing module 251, when supply voltage reaches preset value, power module restarts work.
The disclosed power module of the present embodiment provides stable voltage by Voltage stabilizing module for each module, and of short duration energy-storage module provides alerting signal when voltage signal is less than predetermined value, has guaranteed the normal operation of terminal node.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed device of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part partly illustrates referring to method.
Professional can also further recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software is clearly described, composition and the step of each example described according to function in the above description in general manner.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
The software module that the method for describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to carry out, or the combination of the two is implemented.Software module can be placed in the storage medium of any other form known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a transmission line of electricity operating state monitoring system, is characterized in that, comprising:
Be arranged on the terminal node on three phase line, described terminal node is connected with handheld terminal by wireless network;
Running state information described in described terminal node Real-time Collection on the transmission line of electricity at terminal node place, and send described running state information;
Described handheld terminal is connected with described terminal node by wireless network, receives the running state information that described terminal node sends, and judges according to described running state information whether described transmission line of electricity operation is normal.
2. system according to claim 1, is characterized in that, also comprises: the base station being connected with described terminal node, and the server being connected with described base station,
Described base station is arranged on the shaft tower of described three phase line, receives the running state information that described terminal node sends, and described running state information is sent to described server;
Described server receives the running state information that described base station sends, and according to described running state information, monitors the running status of described three phase line.
3. system according to claim 1, is characterized in that, described terminal node specifically comprises:
Sensor assembly, the AD modular converter being connected with described sensor assembly, the signal processing unit being connected with described AD modular converter, the signal transmitting module being connected with described signal processing unit,
Described sensor assembly gathers running state information, electric power energy and the line temperature on the transmission line of electricity at described terminal node place, and described running state information is simulating signal, and described running state information is sent to described AD modular converter;
Described AD modular converter receives the running state information that described sensor assembly gathers, and the running state information of described simulating signal is converted to the running state information of digital signal, is sent to described signal processing unit;
Described signal processing unit receives the running state information of described digital signal, and is sent to described signal transmitting module after the described information receiving is processed;
Described signal transmitting module receives the running state information after described processing, and the running state information after described processing is amplified and sent.
4. system according to claim 3, is characterized in that, described sensor assembly comprises: current transformer, temperature sensor.
5. system according to claim 4, is characterized in that, also comprises: the power module being connected respectively with described sensor assembly, AD modular converter, signal processing unit and signal transmitting module,
Described power module receives the electric power energy that described sensor assembly gathers, and provides voltage for described AD modular converter, signal processing unit and signal transmitting module.
6. system according to claim 5, is characterized in that, described power module comprises: Voltage stabilizing module, and the of short duration energy-storage module being connected with described Voltage stabilizing module and signal processing unit,
Described Voltage stabilizing module receives the electric power energy that described sensor assembly gathers, and is available electrical energy, for described AD modular converter, signal processing unit, signal transmitting module provide electric energy by the described electric power Conversion of Energy receiving;
Described of short duration energy-storage module receives the available electrical energy that described Voltage stabilizing module sends, when described signal processing unit detects available electrical energy that Voltage stabilizing module provides lower than default electric energy, enable described of short duration energy-storage module, and make described signal processing unit send warning message.
7. system according to claim 6, is characterized in that, described signal processing unit is processed the described information receiving specifically and comprised: the described information receiving is encoded, encrypted.
8. system according to claim 1, is characterized in that, described terminal node is separately positioned on every transmission line of electricity on described three phase line.
9. system according to claim 2, is characterized in that, the running state information that described base station receives described terminal node transmission specifically comprises:
Described base station receives by wireless network the running state information that described terminal node sends.
10. system according to claim 9, is characterized in that, described base station receives the running state information that described terminal node sends, and described running state information is sent to described server specifically comprises:
Described base station receives the running state information that described terminal node sends, and by electric power wireless private network, described running state information is sent to described server.
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| CN201310572224.5A CN103576056B (en) | 2013-11-13 | 2013-11-13 | A kind of transmission line of electricity operating state monitoring system |
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| CN201310572224.5A CN103576056B (en) | 2013-11-13 | 2013-11-13 | A kind of transmission line of electricity operating state monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678256A (en) * | 2015-01-29 | 2015-06-03 | 杭州申昊科技股份有限公司 | On-line monitoring system for power distribution line fault |
| CN106443337A (en) * | 2016-09-26 | 2017-02-22 | 国网新疆电力公司电力科学研究院 | Power transmission circuit security early-warning system |
| CN107370240A (en) * | 2017-07-18 | 2017-11-21 | 深圳源广安智能科技有限公司 | A kind of aerial power transmission line intelligent monitor system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001004691A (en) * | 1999-06-21 | 2001-01-12 | Furukawa Electric Co Ltd:The | Failure zone locating system |
| CN201673234U (en) * | 2010-05-26 | 2010-12-15 | 西安兴汇电力科技有限公司 | Distribution line single-phase earth fault inspection device |
| CN202261389U (en) * | 2011-05-19 | 2012-05-30 | 天津市翔晟远电力设备实业有限公司 | Power transmission line operation and maintenance routing inspection management information system |
-
2013
- 2013-11-13 CN CN201310572224.5A patent/CN103576056B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001004691A (en) * | 1999-06-21 | 2001-01-12 | Furukawa Electric Co Ltd:The | Failure zone locating system |
| CN201673234U (en) * | 2010-05-26 | 2010-12-15 | 西安兴汇电力科技有限公司 | Distribution line single-phase earth fault inspection device |
| CN202261389U (en) * | 2011-05-19 | 2012-05-30 | 天津市翔晟远电力设备实业有限公司 | Power transmission line operation and maintenance routing inspection management information system |
Non-Patent Citations (1)
| Title |
|---|
| 杨威龙等: ""输电线路状态远程监测***设计"", 《北方工业大学学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678256A (en) * | 2015-01-29 | 2015-06-03 | 杭州申昊科技股份有限公司 | On-line monitoring system for power distribution line fault |
| CN106443337A (en) * | 2016-09-26 | 2017-02-22 | 国网新疆电力公司电力科学研究院 | Power transmission circuit security early-warning system |
| CN106443337B (en) * | 2016-09-26 | 2019-05-17 | 国网新疆电力公司电力科学研究院 | Transmission line safety early warning system |
| CN107370240A (en) * | 2017-07-18 | 2017-11-21 | 深圳源广安智能科技有限公司 | A kind of aerial power transmission line intelligent monitor system |
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|---|---|
| CN103576056B (en) | 2016-07-20 |
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Address after: 100070 Times Fortune Tiandi Building, No. 1 Hangfeng Road, Fengtai District, Beijing, 28 Floors Co-patentee after: Beijing Zhongdian Feihua Communications Co.,Ltd. Patentee after: BEIJING GUODIANTONG NETWORK TECHNOLOGY Co.,Ltd. Co-patentee after: STATE GRID CORPORATION OF CHINA Address before: 100070 Times Fortune Tiandi Building, No. 1 Hangfeng Road, Fengtai District, Beijing, 28 Floors Co-patentee before: Beijing Zhongdian Feihua Communications Co.,Ltd. Patentee before: BEIJING GUODIANTONG NETWORK TECHNOLOGY Co.,Ltd. Co-patentee before: State Grid Corporation of China |
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Effective date of registration: 20190522 Address after: 100070 Times Fortune Tiandi Building, No. 1 Hangfeng Road, Fengtai District, Beijing, 28 Floors Co-patentee after: STATE GRID CORPORATION OF CHINA Patentee after: BEIJING GUODIANTONG NETWORK TECHNOLOGY Co.,Ltd. Address before: 100070 Times Fortune Tiandi Building, No. 1 Hangfeng Road, Fengtai District, Beijing, 28 Floors Co-patentee before: Beijing Zhongdian Feihua Communications Co.,Ltd. Patentee before: BEIJING GUODIANTONG NETWORK TECHNOLOGY Co.,Ltd. Co-patentee before: STATE GRID CORPORATION OF CHINA |