CN202189269U - System for monitoring and managing states of grounding wires - Google Patents

System for monitoring and managing states of grounding wires Download PDF

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Publication number
CN202189269U
CN202189269U CN2011203064562U CN201120306456U CN202189269U CN 202189269 U CN202189269 U CN 202189269U CN 2011203064562 U CN2011203064562 U CN 2011203064562U CN 201120306456 U CN201120306456 U CN 201120306456U CN 202189269 U CN202189269 U CN 202189269U
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China
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ground wire
information
unit
microcontroller
handheld terminal
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CN2011203064562U
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高强
罗春雷
何钰江
罗久明
喻建波
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Chongqing electric power design institute
State Grid Corp of China SGCC
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Chongqing electric power design institute
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

The utility model discloses a system for monitoring and managing the states of grounding wires to prevent the occurrence of the switching-on accident of the electrified hung grounding wire and the electrified grounding wire. The system comprises grounding wire identifying units, a handheld terminal and a grounding wire managing unit; the grounding wire identifying units correspond to the grounding wires one by one and is used for storing the information of the grounding wires; the handheld terminal is used for receiving the indication information of the grounding wires, setting the states of the grounding wires, writing and reading the information of the grounding wires to the grounding wire identifying units and sending the read information of the grounding wires to the grounding wire managing unit; the grounding wire managing unit is used for receiving and storing the information, deciding the grounding wires corresponding to the information according to the received ID of the grounding wire identifying units and the code information of the grounding wires, carrying out logic operation according to the state information of the grounding wires and the connection relation of circuits to generate locking information and sending the locking information to an anti-misoperation locking system.

Description

A kind of system of docking state of ground wire monitoring and management
Technical field
The utility model relates to power system monitoring and management domain, particularly relates to a kind of system of docking state of ground wire monitoring and management.
Background technology
In the electric system,, heavy losses have been caused to people's lives and properties because artificial misdeed causes the unplanned or improper stoppage in transit of power-supply unit through regular meeting.For guaranteeing the operation of power grid security; Method at present commonly used is to adopt the five-defence block device, and when taking a certain operation to cause electrical hazard to high-tension switch gear or element, this device can adopt computer technology; Take measures to forbid the carrying out of this operation, to prevent the generation of work accident.The five-defence block device possesses five anti-functions: prevent that mistake from dividing, mistake is closed isolating switch 2. and prevented that on-load drawing disconnector 3. from preventing that charged hanging earthing conductor 4. from preventing that switching on earth wire 5. from preventing mistakenly entering charged chamber 1..Its use good restraining the generation of multiple electric misoperation behavior.The basis of existing five-defence block device operation must be that transforming plant primary equipment has complete electric blocking, but in actual motion, not all equipment all possesses electric operating and corresponding electric blocking function.Ground wire is as interim use equipment, and its status information can't monitored and manage to the five-defence block device just, thereby causes charged hanging earthing conductor and the generation of being with ground wire combined floodgate accident.
The utility model content
The purpose of the utility model is to provide a kind of system of docking state of ground wire monitoring and management; Can dock state of ground wire monitors and manages; Thereby generate locking information, combine to prevent charged hanging earthing conductor and the generation of being with ground wire combined floodgate accident with anti-error locking system.
The utility model also provides a kind of system of docking state of ground wire monitoring and management, comprising:
The ground wire identify unit, be used for corresponding one by one with ground wire, and storage ground wire information;
Handheld terminal is used to receive the indication information to ground wire, and the ground wire state is set, and reads and writes ground wire information to the ground wire identify unit, and the information that reads is sent to the ground wire administrative unit;
The ground wire administrative unit; Be used to receive said information stores; Confirm the ground wire that information is corresponding according to ground wire identify unit ID that receives and ground wire coded message, and carry out sending to anti-error locking system after logical operation generates locking information according to the status information of this ground wire and the annexation of circuit.
Preferably, said ground wire identify unit is realized based on mifare S50 radio-frequency card.
Preferably, said handheld terminal comprises:
The peripherals of microcontroller and microcontroller; Said peripherals comprises: RFID read-write cell and GPRS wireless communication unit;
Microcontroller through its own interfaces expansion peripherals, is used to receive the ground wire state indication is set, and the ground wire state is set, and carries out information transmission through corresponding bus protocol and its peripherals;
The RFID read-write cell by micro controller I/O pin expansion, is used for reading ground wire identify unit ID, ground wire coded message and ground wire status information according to the read signal that microcontroller sends to the ground wire identify unit; With the logical microcontroller that is sent to of the said information that reads;
The GPRS wireless communication unit by the serial ports expansion of microcontroller, is used for the said information that microcontroller receives is sent to the ground wire administrative unit.
Preferably, said handheld terminal also comprises Tip element, and the peripheral hardware bus expansion by microcontroller is used for receiving operating process information from microcontroller, and exports information with this.
Preferably, said handheld terminal prompts for voice suggestion or liquid crystal display to operating process.
Preferably; Said handheld terminal also comprises the GPS positioning unit; By the serial ports expansion of microcontroller, be used for ground wire is positioned, and record ground wire positional information; Through the GPRS wireless communication unit said information is sent to the ground wire administrative unit, just the ground wire administrative unit utilizes the GIS map that ground wire is monitored.
Preferably; Said handheld terminal also comprises timing unit; By the expansion of micro controller I/O pin, be used for the ground wire working time is carried out record, this information is provided with information with the ground wire state is written into reading and sending to ground wire administrative unit behind the ground wire identify unit.
Preferably, the storage organization of said mifare S50 radio-frequency card is:
The piece 0 of sector 0 is used to deposit ground wire identify unit ID; The piece 1 of sector 0 is used to deposit the ground wire coding, and the ground wire coding adopts ASCII character, with 16 byte-identifiers;
The piece 1 and fast 2 of sector 1 is used to preserve ground wire information and ground wire working time information is set;
The piece 2 of sector 1 is used to preserve the ground wire status information;
2~sector, sector 15 can be preserved the recorded information that ground wire is operated as required.
Preferably, said handheld terminal also comprises storage unit, is used for operating process information is stored.
Preferably, said handheld terminal also comprises ciphering unit, is used for linking to each other with microcontroller, and the data that are transferred to the ground wire administrative unit are carried out cryptographic calculation.
A kind of system of docking state of ground wire monitoring and management that the utility model provides.Through reading ground wire identify unit ID, ground wire coded message and ground wire status information to the ground wire identify unit that has write the ground wire status information; And said information is sent to the ground wire administrative unit; So that the ground wire administrative unit receives said information stores; Confirm the ground wire that information is corresponding according to ground wire identify unit ID and ground wire coded message, and carry out sending to anti-error locking system after logical operation generates locking information according to the status information of this ground wire and the annexation of circuit.Realized monitoring and management, effectively prevented the generation of charged hanging earthing conductor and band ground wire combined floodgate accident ground wire.
Description of drawings
Fig. 1 is the structural drawing of the said system of the utility model
Fig. 2 is the utility model embodiment two hand-held terminal structure figure
Fig. 3 is the utility model embodiment three handheld terminal structural drawing
Fig. 4 is the utility model embodiment four handheld terminal structural drawing
Embodiment
The utility model discloses the system of a kind of ground wire status monitoring and management.For the purpose, technical scheme and the advantage that make the utility model is clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the utility model is explained further details.
The utility model provides a kind of system of docking state of ground wire monitoring and management, and referring to Fig. 1, this system comprises:
The ground wire identify unit, be used for corresponding one by one with ground wire, its stored ground wire information;
Handheld terminal is used for reading ground wire information to the ground wire identify unit, and the information that reads is sent to the ground wire administrative unit;
The ground wire administrative unit is used to receive said information stores, according to the ground wire information that receives and the relation that is connected of circuit, carries out logical operation, obtains locking information, and locking information is sent to anti-error locking system.
In the utility model, the ground wire identify unit adopts the unit based on radio-frequency technique, can canned data, and with the corresponding one by one use of ground wire.Be stored with the coded message of self-ID information and corresponding ground wire.The uniqueness of ground wire has been guaranteed in ground wire coded message and ground wire identify unit ID combination.Be characterized in the information that to be written into, also can read information from it.
Among the embodiment one of the utility model, the ground wire identify unit is selected mifare S50 radio-frequency card for use.Mifare S50 radio-frequency card is divided into 16 sectors, and each sector comprises 4 pieces, and every 16 bytes are access unit with the piece; There are independently one group of password and access control in each sector.
Preferably, in the foregoing description of the utility model, handheld terminal comprises:
The peripherals of microcontroller and microcontroller; Said peripherals comprises: RFID read-write cell and GPRS wireless communication unit;
Microcontroller through its own interfaces expansion peripherals, is used to receive operating personnel's indication, the ground wire state is set, and carries out information transmission through corresponding bus protocol and its peripherals;
The RFID read-write cell by micro controller I/O pin expansion, is used for writing the ground wire status information according to the write signal that microcontroller sends to the ground wire identify unit; The read signal that sends according to microcontroller reads ground wire identify unit ID, ground wire coded message and ground wire status information to the ground wire identify unit; The said information that reads is sent to the ground wire administrative unit through the GPRS wireless communication unit;
The GPRS wireless communication unit by the serial ports expansion of microcontroller, is used for the information that is read by the RFID read-write cell that microcontroller receives is sent to the ground wire administrative unit.
The GPRS wireless communication unit is a kind of wireless, packet-switched technology, and end-to-end, wireless IP connection is provided, and has the advantages such as wide, that cost is low that cover.And, when wireless communication is not smooth, launch GSM note transmission mode as the continuity of GSM.
Referring to Fig. 2, in the embodiment two of the utility model, when finding that ground wire goes wrong, rush for the work place rapidly for making things convenient for the staff, accurately locate target, can the ground wire of monitoring be positioned.Therefore the handheld terminal of the said system of the utility model also comprises the GPS positioning unit.This unit links to each other with microcontroller through common serial ports, and the ground wire location is obtained the ground wire positional information.After said handheld terminal writes the ground wire identify unit with this positional information, read and be sent to the ground wire administrative unit through the GPRS wireless communication unit with other information.The ground wire administrative unit can utilize the GIS map that ground wire is monitored.When ground wire went wrong, the staff can be known the positional information of ground wire from the ground wire administrative unit.
Referring to Fig. 3; In the embodiment three of the utility model; Operating process and information are analyzed for convenient, the said handheld terminal of the utility model also comprises storage unit afterwards, and the information record of ground wire status information and ground wire installing/dismantling operation is preserved in this unit through the I2C bus.Through can diagnosing out maloperation to occur on which link, any the bar ground wire to the analysis of recorded information, thereby analyze wrong reason,, avoid wrong appearance once more so that improve and perfect in the future.
Referring to Fig. 4, in the embodiment four of the utility model, owing to select for use the GPRS wireless communication unit to carry out data transmission, GPRS is a public network, and security is not high, for guaranteeing data transmission safety, needs the transmission data are encrypted.Therefore the said handheld terminal of this system also comprises ciphering unit, is used for linking to each other with microcontroller, to carrying out cryptographic calculation through the data of GPRS wireless communication unit transmission, to guarantee to transmit safety of data.
When communication data is carried out cryptographic calculation, not only to consider the validity of encrypting, also to take into account the factor such as computing power and resource-constrained of micro controller system, so the miniature AES of the preferred TEA of AES.With 128 secret key encryptions, its key length is the twice of DES algorithm commonly used to this algorithm, so Cipher Strength is higher than the DES algorithm to 64 block of plaintext data.And this algorithm for encryption speed is three times of the DES algorithm, in microcontroller LPC2368, carries out the encryption and decryption computing, and is consuming time about 2ms, therefore less to system's influence on system operation, can guarantee the real-time of system.
The realization of this cryptographic calculation method has multiple mode, in the utility model, selects for use the C language to realize.
In the embodiment five of the utility model, consider that in operating process the installing of ground wire and dismounting still need artificial the completion.Therefore under operating personnel's distraction, situation such as surrounding environment light is dark or environment is noisy, maloperation appears easily.Can point out operating process this, make operating personnel can understand the process and the state of operation constantly, avoid the generation of maloperation.Therefore, said handheld terminal also comprises: Tip element, the peripheral hardware bus expansion by microcontroller is used for receiving operating process information from microcontroller, and exports information with this.
In the above-described embodiments, for avoiding because of light is too dark, maloperation appears in the unintelligible or staff's distraction of device identification, can carry out voice suggestion to operating process.Therefore the described Tip element of this handheld terminal is selected voice alerting unit for use, links to each other with microcontroller through spi bus, receives the RFID read-write cell through the ground wire relevant information that microcontroller sends, and is converted into voice messaging output, as prompt tone.
In this embodiment, the preferred XFS3031CN chipspeech of voice alerting unit.Integrated 7 first prompt tones in this chip can receive information through the UART interface, and information closed are called voice output, are used for the voice suggestion of different occasions.
In embodiment five, when environment was more noisy around, voice suggestion often can not be brought into play too big effect.Can carry out liquid crystal display to operating process for making things convenient for the staff to understand current operating process.Therefore the described Tip element of this handheld terminal is selected liquid crystal display for use, links to each other with microcontroller through the I/O pin, receives the RFID read-write cell and also shows through the ground wire relevant information that microcontroller sends.
For guaranteeing the understanding of staff to operating process; Can in the utility model, select for use voice alerting unit and liquid crystal display simultaneously as Tip element, avoid causing when only selecting a kind of unit for use can be because of light the too dark or noisy Tip element that causes of surrounding environment can not play a role.
In the embodiment six of the utility model,,, can carry out record to the working time of ground wire so that it is being analyzed in the future for more detailed record is carried out in operating process and ground wire state.Therefore said handheld terminal also comprises timing unit; By micro controller I/O pin expansion; Be used for the ground wire working time is carried out record; And the temporal information of record is provided with information with the ground wire state and writes the ground wire identify unit,, the ground wire identify unit is sent to the ground wire administrative unit after reading.
This moment, the storage organization of mifare S50 radio-frequency card was:
The piece 0 of sector 0 is used to deposit ground wire identify unit ID; The piece 1 of sector 0 is used to deposit the ground wire coding, and the ground wire coding adopts ASCII character, with 16 byte-identifiers;
The piece 1 and fast 2 of sector 1 is used to preserve ground wire information and ground wire working time information is set;
The piece 2 of sector 1 is used to preserve the ground wire status information;
2~sector, sector 15 can be preserved the recorded information that ground wire is operated as required.
In above-mentioned arbitrary embodiment, the preferred ARM microcontroller of microcontroller LPC2368, this micro controller function rich interface is suitable for the occasion that links to each other with multi-functional unit.
In above-mentioned arbitrary embodiment; The preferred MFRC522 chip of RFID read-write cell; This chip is a contactless low power consumption read-write the core of the card sheet, has utilized advanced modulation and demodulation notion, fully-integrated all types of passive contactless communication modes and agreement under the 13.56MHz; And its volume is little, is applicable to portable hand-held terminal device.
In above-mentioned arbitrary embodiment, for avoiding in observation process, having obscured different ground wires, handheld terminal also can be verified ground wire.When receiving a ground wire, can carry out record to this ground wire and the ground wire identify unit corresponding with this ground wire.Only preserve ground wire identify unit ID and ground wire coded message in the ground wire identify unit this moment, and promptly the ground wire identify unit is in init state.The RFID read-write cell of handheld terminal reads ground wire identify unit ID and ground wire coded message, and whether preceding with it information recorded is identical to verify it.Be the process after further guaranteeing; Also can this information be sent to the ground wire administrative unit through the GPRS wireless communication unit; The ground wire administrative unit is to this affirmation and preservation, and the ground wire information that receives after being used to verify is the status information of the ground wire received at first.
In another embodiment of the utility model, the ground wire administrative unit sends to managerial personnel with relevant information, grasps field data when making at that time, in order to avoid operational order under the mistake.
The preferred embodiment that the above is merely the utility model should be pointed out that for those skilled in the art, and under the prerequisite that does not break away from the utility model, some improvement and the retouching made also should be regarded as the protection domain of the utility model.

Claims (10)

1. a system of docking state of ground wire monitoring and management is characterized in that, comprising:
The ground wire identify unit, be used for corresponding one by one with ground wire, and storage ground wire information;
Handheld terminal is used to receive the indication information to ground wire, and the ground wire state is set, and reads and writes ground wire information to the ground wire identify unit, and the information that reads is sent to the ground wire administrative unit;
The ground wire administrative unit; Be used to receive said information stores; Confirm the ground wire that information is corresponding according to ground wire identify unit ID that receives and ground wire coded message, and carry out sending to anti-error locking system after logical operation generates locking information according to the status information of this ground wire and the annexation of circuit.
2. the system of butt joint state of ground wire monitoring according to claim 1 and management is characterized in that said ground wire identify unit is realized based on mifare S50 radio-frequency card.
3. the system of butt joint state of ground wire monitoring according to claim 1 and management is characterized in that said handheld terminal comprises:
The peripherals of microcontroller and microcontroller; Said peripherals comprises: RFID read-write cell and GPRS wireless communication unit;
Microcontroller through its own interfaces expansion peripherals, is used to receive the ground wire state indication is set, and the ground wire state is set, and carries out information transmission through corresponding bus protocol and its peripherals;
The RFID read-write cell by micro controller I/O pin expansion, is used for reading ground wire identify unit ID, ground wire coded message and ground wire status information according to the read signal that microcontroller sends to the ground wire identify unit; With the logical microcontroller that is sent to of the said information that reads;
The GPRS wireless communication unit by the serial ports expansion of microcontroller, is used for the said information that microcontroller receives is sent to the ground wire administrative unit.
4. the system of butt joint state of ground wire monitoring according to claim 2 and management is characterized in that said handheld terminal also comprises:
Tip element, the peripheral hardware bus expansion by microcontroller is used for receiving operating process information from microcontroller, and exports information with this.
5. the system of butt joint state of ground wire monitoring according to claim 4 and management is characterized in that said handheld terminal prompts for voice suggestion or liquid crystal display to operating process.
6. the system of butt joint state of ground wire monitoring according to claim 2 and management is characterized in that said handheld terminal also comprises:
The GPS positioning unit; By the serial ports expansion of microcontroller, be used for ground wire is positioned, and record ground wire positional information; Through the GPRS wireless communication unit said information is sent to the ground wire administrative unit, just the ground wire administrative unit utilizes the GIS map that ground wire is monitored.
7. the system of butt joint state of ground wire monitoring according to claim 2 and management is characterized in that said handheld terminal also comprises:
Timing unit by the expansion of micro controller I/O pin, is used for the ground wire working time is carried out record, this information is provided with information with the ground wire state is written into reading and sending to ground wire administrative unit behind the ground wire identify unit.
8. the system that the butt joint state of ground wire of stating according to claim 7 is monitored and managed is characterized in that the storage organization of said mifare S50 radio-frequency card is:
The piece 0 of sector 0 is used to deposit ground wire identify unit ID; The piece 1 of sector 0 is used to deposit the ground wire coding, and the ground wire coding adopts ASCII character, with 16 byte-identifiers;
The piece 1 and fast 2 of sector 1 is used to preserve ground wire information and ground wire working time information is set;
The piece 2 of sector 1 is used to preserve the ground wire status information;
2~sector, sector 15 can be preserved the recorded information that ground wire is operated as required.
9. the system of butt joint state of ground wire monitoring according to claim 2 and management is characterized in that said handheld terminal also comprises:
Storage unit is used for operating process information is stored.
10. the system of butt joint state of ground wire monitoring according to claim 2 and management is characterized in that said handheld terminal also comprises:
Ciphering unit is used for linking to each other with microcontroller, and the data that are transferred to the ground wire administrative unit are carried out cryptographic calculation.
CN2011203064562U 2011-08-22 2011-08-22 System for monitoring and managing states of grounding wires Expired - Lifetime CN202189269U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102298379A (en) * 2011-08-22 2011-12-28 重庆电力设计院 Ground wire status monitoring and management method, device and system
CN103366142A (en) * 2013-05-30 2013-10-23 刘腾飞 Monitoring system
CN105337770A (en) * 2015-11-02 2016-02-17 国网福建省电力有限公司 Method for realizing ground line memorization of distribution network DMS by using mobile intelligent terminal
CN108287351A (en) * 2018-01-30 2018-07-17 李旭光 A kind of ground wire positioning monitoring system
CN109870955A (en) * 2019-02-26 2019-06-11 国网山东省电力公司莒县供电公司 A kind of power construction grounded monitoring system and monitoring method
CN110110868A (en) * 2019-05-05 2019-08-09 南京正浩电气科技有限公司 A kind of ground wire management system of combination ZigBee technology and GPRS global-positioning technology
CN112037431A (en) * 2020-07-31 2020-12-04 国家电网有限公司 Grounding clamp management system and method
CN112180203A (en) * 2019-07-01 2021-01-05 安徽森度科技有限公司 Transmission line overhauls uses localization tracking system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102298379A (en) * 2011-08-22 2011-12-28 重庆电力设计院 Ground wire status monitoring and management method, device and system
CN102298379B (en) * 2011-08-22 2014-05-28 重庆电力设计院 Ground wire status monitoring and management method, device and system
CN103366142A (en) * 2013-05-30 2013-10-23 刘腾飞 Monitoring system
CN105337770A (en) * 2015-11-02 2016-02-17 国网福建省电力有限公司 Method for realizing ground line memorization of distribution network DMS by using mobile intelligent terminal
CN108287351A (en) * 2018-01-30 2018-07-17 李旭光 A kind of ground wire positioning monitoring system
CN109870955A (en) * 2019-02-26 2019-06-11 国网山东省电力公司莒县供电公司 A kind of power construction grounded monitoring system and monitoring method
CN109870955B (en) * 2019-02-26 2021-09-07 国网山东省电力公司莒县供电公司 Electric power construction grounding monitoring system and monitoring method
CN110110868A (en) * 2019-05-05 2019-08-09 南京正浩电气科技有限公司 A kind of ground wire management system of combination ZigBee technology and GPRS global-positioning technology
CN112180203A (en) * 2019-07-01 2021-01-05 安徽森度科技有限公司 Transmission line overhauls uses localization tracking system
CN112037431A (en) * 2020-07-31 2020-12-04 国家电网有限公司 Grounding clamp management system and method

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Owner name: STATE GRID CORPORATION OF CHINA

Effective date: 20121207

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Effective date of registration: 20121207

Address after: Chongqing City, Yubei District Qingfeng Road No. 20 Phoenix Tower D

Patentee after: Chongqing Electric Power Design Institute

Patentee after: State Grid Corporation of China

Address before: Chongqing City, Yubei District Qingfeng Road No. 20 Phoenix Tower D

Patentee before: Chongqing Electric Power Design Institute

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Granted publication date: 20120411

CX01 Expiry of patent term