CN201885794U - Intelligent external-force-damage prevention online monitoring device for transmission lines - Google Patents
Intelligent external-force-damage prevention online monitoring device for transmission lines Download PDFInfo
- Publication number
- CN201885794U CN201885794U CN2010206213901U CN201020621390U CN201885794U CN 201885794 U CN201885794 U CN 201885794U CN 2010206213901 U CN2010206213901 U CN 2010206213901U CN 201020621390 U CN201020621390 U CN 201020621390U CN 201885794 U CN201885794 U CN 201885794U
- Authority
- CN
- China
- Prior art keywords
- control center
- centralized control
- end equipment
- vibration
- outside destroy
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 11
- 238000012806 monitoring device Methods 0.000 title abstract 2
- 230000002265 prevention Effects 0.000 title abstract 2
- 238000012545 processing Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 7
- 238000004458 analytical method Methods 0.000 claims description 2
- 238000007405 data analysis Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 230000006378 damage Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000005236 sound signal Effects 0.000 abstract description 2
- 230000003321 amplification Effects 0.000 abstract 1
- 238000005311 autocorrelation function Methods 0.000 abstract 1
- 238000013500 data storage Methods 0.000 abstract 1
- 230000005284 excitation Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013144 data compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000003909 pattern recognition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Landscapes
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses an intelligent external-force-damage prevention online monitoring device for transmission lines, which comprises front-end equipment, a centralized control center and clients. A vibration sensor acquires information of mechanical vibration on a tower generated by external force damage behavior. Vibration, which is caused by the damage behavior such as striking, cutting, sawing, screw twisting and the like, of internal media of materials is converted into analog electric signals changing according to movement amplitudes and frequencies, and the analog electric signals are outputted after micro-signal amplification. False alarm caused by environment noise is filtered by the aid of a short-time energy method, excitation characteristics are extracted by the aid of a linear prediction method, mode identification is realized by the aid of cycles of an autocorrelation function, alarm signals are generated according to judgment results, background software complete waveform fitting according to inputted vibration characteristic parameters, finally, the judgment results, synthesized audio signals and judicially approved data are transmitted to the centralized control center for secondary judgment, and the functions of data storage and inquiry are completed simultaneously.
Description
Technical field
The utility model belongs to automatic monitoring electronic equipment, the anti-outside destroy on-Line Monitor Device of particularly a kind of transmission line of electricity intelligence.
Background technology
Along with Chinese national economy grows continuously and fast, the construction of electric power network is like a raging fire, yet a fact that can not be ignored but is to comprise that disaster and artificial pilferage wait outside destroy that the construction of electric power network and the threat of development are also increased day by day, especially electric power pylon tower material is regular suffers artificial outside destroy, cause economic loss serious, and become one of principal element that influences electric power netting safe running, national economy order and people's normal production and living have greatly been disturbed, show according to the national grid statistics, since 2008, artificial pilferage behavior (comprises that gravity knocks, cutting, behavior such as dragsaw and the turn of the screw) proportion that accounts for outside destroy has reached more than 80%, therefore guarantees the safety of electric power " lifeline " and has unimpededly become instant social concern.The anti-outside destroy on-Line Monitor Device of current electric power pylon mainly realizes based on picture, video frequency monitoring method, because picture, the video data volume are big, the information redundance height, the information mining method complexity is difficult to satisfy the real-time requirement of device, cause expensive communication cost simultaneously, thereby this method has the alert rate height of mistake, defectives such as real-time is poor, power consumption is big, intellectuality is low, communication cost height, unfavorable with on-line monitoring technique marketing and popularize the urgent need technology innovation replacement.
Summary of the invention
In order to improve the detection accuracy rate and the real-time of electric power pylon on-Line Monitor Device, reduce device power consumption, reduce communication cost, improve the intelligent level of on-Line Monitor Device simultaneously, the utility model provides a kind of transmission line of electricity intelligence anti-outside destroy on-Line Monitor Device.
The technical scheme that its technical matters that solves the utility model adopts is,
The anti-outside destroy on-Line Monitor Device of a kind of transmission line of electricity intelligence.By front-end equipment, centralized control center and client constitute, the centralized control center is connected with front-end equipment, the centralized control center is connected with client, front-end equipment is gathered the vibration information that outside destroy produces electric power pylon, carry out intellectual analysis and judgement, the type and the characteristic quantity of output outside destroy behavior also produces warning message, the output information of centralized control center's receiving front-end equipment, client receives automatic warning message by the centralized control center, front-end equipment is by vibration transducer, signal processing unit, communication unit and power supply unit constitute, vibration transducer is gathered the vibration signal that outside destroy produces electric power pylon and is converted electric signal to, the signal processing unit input connects vibration transducer, connected mode is RS485, and output connects communication unit, and connected mode is USB/RJ45, communicate by communication unit and centralized control center, signal processor is finished the Intelligent treatment function, comprises data analysis, behavior is differentiated and is reported to the police automatically, and power supply unit provides the power supply supply for all unit in the front-end equipment.
The centralized control center is connected with front-end equipment by GSM/GPRS/3G/Ethernet/WiMax, and the centralized control center is connected with client by GSM/GPRS/3G/Ethernet/WiFi.
Front-end equipment is installed on the electric power tower, wherein vibration transducer and electric power tower are rigidly connected by nut, guarantee the accurate collection of the vibration information that outside destroy causes iron tower, the vibration transducer type comprises velocity profile, acceleration type and displacement type, and device can be selected type, quantity and the corresponding installation site of vibration transducer according to actual needs.
The beneficial effects of the utility model are:
(1) use vibration transducer to gather the artificial destruction pumping signal, greatly get rid of the vibration noise of propagating along air dielectric, improve input data degree of purity and precision, according to the far and near of installation site with sensitivity is required different can adaptive selection sensitivity higher acceleration type vibration transducer and the lower velocity profile vibration transducer of sensitivity.
(2) adopt three judging process greatly to reduce false-alarm and false dismissal probability, judgement for the first time refers to the false-alarm that neighbourhood noises such as the lower vehicle of threshold judgement filtering energy based on short-time energy passes through cause, be difficult for producing false dismissal simultaneously, judgement for the second time refers to the false-alarm that weather conditions such as the pattern-recognition filtering wind, rain, hail based on Characteristic Extraction cause, judgement for the third time refers to that inspection center manually confirms to get rid of fully the false-alarm possibility to the warning of monitoring system generation, reduces to false-alarm and false dismissal probability extremely low by three judgements.
(3) transmission mode can be selected Ethernet, GSM, 3G, WiFi or WiMax according to actual conditions, and device adaptability is strong, and mode of operation is flexible.
Description of drawings
Fig. 1 is the structure drawing of device of utility model.
Fig. 2 is the modular structure figure of front-end equipment signal processing unit among Fig. 1.
Fig. 3 is a front-end equipment signal processing unit workflow diagram among Fig. 1.
Below in conjunction with accompanying drawing content of the present utility model is described in further detail.
Embodiment
Shown in Figure 1, the anti-outside destroy on-Line Monitor Device of transmission line of electricity intelligence comprises front-end equipment 1, centralized control center 2 and client 3, centralized control center 2 is connected with front-end equipment 1 by GSM/GPRS/3G/Ethernet/WiMax, centralized control center 2 is connected with client 3 by GSM/GPRS/3G/Ethernet/WiFi, front-end equipment 1 is responsible for gathering the vibration information that outside destroy produces electric power tower, simultaneously the vibration information of input is done feature extraction and intelligent distinguishing processing, and the feature discriminant information sent to the steering order that centralized control center 2 receives centralized control center 2 simultaneously, the characteristic quantity of centralized control center's 2 receiving front-end equipment and differentiation result, and do secondary discrimination with this, client 3 is browsed by centralized control center 2, the differentiation result of inquiry outside destroy receives automatic warning message.
Wherein front-end equipment 1 is made of vibration transducer, signal processing unit, communication unit and power supply unit, vibration transducer comprises velocity profile vibration transducer, acceleration vibration transducer and displacement vibration transducer, these sensors are installed on the electric power tower tower material in the mode of being rigidly connected with nut, main being responsible for gathered the vibration information that outside destroy causes iron tower, and sensor type, quantity and installation site are determined by actual conditions.The signal processing unit input connects vibration transducer, output then connects communication unit, signal processing unit adopts dedicated multimedia processing IC chip DM6446, this chip has ARM+DSP double-core framework, DSP nuclear is responsible for proprietary algorithm processes, ARM nuclear is responsible for system applies, and signal processing unit is responsible for the vibration information of gathering is carried out Characteristic Extraction, intelligent decision and data compression.Communication unit comprises the WiMax module and the Ethernet module of USB interface GSM/GPRS module and 3G module and RJ45 interface, device is according to the adaptively selected communication mode of actual conditions, the main communication function of being responsible for front-end equipment and centralized control center (2) comprises the transmission of discriminative information, warning message and the reception of client Long-distance Control information.Power supply unit is taked solar powered mode, and direct current 12V, 5V and 3.3V can be provided three kinds of voltage outputs.
Shown in Figure 2, the signal processing unit in the front-end equipment 1 comprises terminal detection module, linear prediction and cepstrum coefficient extraction module, vibration period extraction module, behavior type identification module, voice data fitting module and the data compressing module of judging based on short-time energy.Wherein the terminal detection module of judging based on short-time energy detects the energy of the vibration information of input, energy threshold according to prior setting is judged, if energy surpasses thresholding, it then is the outside destroy behavior, otherwise be not for further processing, this mode can be rejected the vibration that causes false-alarm, comprise automobile by, behavior such as rain, be not intended to knock.Linear prediction cepstrum coefficient extraction module and vibration period extraction module then extract the cepstrum coefficient and the period of motion of outside destroy vibration information respectively, characteristic quantity as vibration information, behavior classification identification module is according to the type of the characteristic quantity judgement outside destroy behavior of extracting, comprise and knock, cutting, dragsaw, turn round the screw destruction, the output court verdict also produces warning message, send to the server and client side of centralized control center by communication unit, carry out the secondary judgement.The voice data fitting module is then simulated the acoustic information of outside destroy behavior according to the period of motion of vibration information, data compressing module adopts the ADPCM compression method that the sound signal of match is carried out data compression and output.
Wherein the terminal detection module of judging based on short-time energy detects the starting and ending position of vibration signal, the filtering and the reduction false-alarm probability of garbage signal, adopt short-time energy, carry out real-time end-point detection in conjunction with zero-crossing rate, the energy threshold value that initiating terminal detects is definite through testing, when short-time energy exceeds, being judged to vibration begins, the detection of the time of end caps, be lower than 10% of maximum short-time energy in this segment signal for three times and determine according to whether short-time energy is continuous, front and back all keep 5 frame data, and the assurance vibrational waveform can be gathered fully.
Fig. 3 represents digital signal processing and Intelligent Recognition processing module workflow diagram.
In S301, initialization.
In S302,, finish data framing from the buffer zone read data.
In S303, calculate the short-time energy of vibration signal.
In S304, judge whether continuous three times short-time energy all greater than threshold value, if then change among the S305, otherwise in S302, read data again.
In S305, finish adaptive linear prediction.
In S306, utilize the residual sum correlation method of linear prediction to ask sequence period.
In S307, utilize the auto-correlation cycle to carry out pattern-recognition.
In S308, judge whether to be artificial outside destroy, if then change S309 over to, otherwise in the S302 read data again.In S309, produce alerting signal.
Claims (2)
1. a transmission line of electricity intelligence is prevented the outside destroy on-Line Monitor Device, it is characterized in that, by front-end equipment (1), centralized control center (2) and client (3) constitute, centralized control center (2) is connected with front-end equipment (1), centralized control center (2) is connected with client (3), front-end equipment (1) is gathered the vibration information that outside destroy produces electric power pylon, carry out intellectual analysis and judgement, the type and the characteristic quantity of output outside destroy behavior also produces warning message, the output information of centralized control center (2) receiving front-end equipment (1), client (3) receives automatic warning message by centralized control center (2), front-end equipment (1) is by vibration transducer, signal processing unit, communication unit and power supply unit constitute, vibration transducer is gathered the vibration signal that outside destroy produces electric power pylon and is converted electric signal to, the signal processing unit input connects vibration transducer, connected mode is RS485, output connects communication unit, connected mode is USB/RJ45, communicate by communication unit and centralized control center (2), signal processor is finished the Intelligent treatment function, comprise data analysis, behavior is differentiated and is reported to the police automatically, and power supply unit provides the power supply supply for all unit in the front-end equipment.
2. according to the anti-outside destroy on-Line Monitor Device of the described transmission line of electricity intelligence of claim 1, it is characterized in that, centralized control center (2) is connected with front-end equipment (1) by GSM/GPRS/3G/Ethernet/WiMax, and centralized control center (2) are connected with client (3) by GSM/GPRS/3G/Ethernet/WiFi.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206213901U CN201885794U (en) | 2010-11-24 | 2010-11-24 | Intelligent external-force-damage prevention online monitoring device for transmission lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206213901U CN201885794U (en) | 2010-11-24 | 2010-11-24 | Intelligent external-force-damage prevention online monitoring device for transmission lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201885794U true CN201885794U (en) | 2011-06-29 |
Family
ID=44183339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206213901U Expired - Lifetime CN201885794U (en) | 2010-11-24 | 2010-11-24 | Intelligent external-force-damage prevention online monitoring device for transmission lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201885794U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344850A (en) * | 2013-07-26 | 2015-02-11 | 南京理工大学常熟研究院有限公司 | Hydraulic automatic data acquisition system |
| CN107871374A (en) * | 2017-10-10 | 2018-04-03 | 国网浙江省电力公司杭州供电公司 | Backflow cable anti-theft alarm system |
| CN108875791A (en) * | 2018-05-25 | 2018-11-23 | 国网山西省电力公司电力科学研究院 | Transmission line of electricity external force based on radar destroys target identification method and system |
| CN112985575A (en) * | 2021-03-02 | 2021-06-18 | 暗物智能科技(广州)有限公司 | Knocking event detection method and device, electronic equipment and detection system |
-
2010
- 2010-11-24 CN CN2010206213901U patent/CN201885794U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344850A (en) * | 2013-07-26 | 2015-02-11 | 南京理工大学常熟研究院有限公司 | Hydraulic automatic data acquisition system |
| CN107871374A (en) * | 2017-10-10 | 2018-04-03 | 国网浙江省电力公司杭州供电公司 | Backflow cable anti-theft alarm system |
| CN108875791A (en) * | 2018-05-25 | 2018-11-23 | 国网山西省电力公司电力科学研究院 | Transmission line of electricity external force based on radar destroys target identification method and system |
| CN112985575A (en) * | 2021-03-02 | 2021-06-18 | 暗物智能科技(广州)有限公司 | Knocking event detection method and device, electronic equipment and detection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102023604A (en) | Intelligent online monitoring system capable of preventing external damage on transmission line | |
| CN102129752B (en) | System for online monitoring and alarming artificial destruction of outdoor facilities | |
| CA2823546C (en) | Sound abnormality detection system for power device and method thereof | |
| CN102148032A (en) | Abnormal sound detection method and system for ATM (Automatic Teller Machine) | |
| CN109616140B (en) | Abnormal sound analysis system | |
| CN201885794U (en) | Intelligent external-force-damage prevention online monitoring device for transmission lines | |
| CN203786851U (en) | Novel pickup alarm | |
| CN104309577B (en) | A kind of vehicle intelligent senses anti-infringement warning system | |
| CN203894911U (en) | Mud-rock flow infrasound monitoring alarm device | |
| CN103956164A (en) | Voice awakening method and system | |
| CN101835178A (en) | Method for realizing remote wireless monitoring and wireless monitoring device | |
| CN203535126U (en) | Portable electric field induction alarm device of electrical equipment | |
| CN203296804U (en) | Gas extraction safety hazard monitoring system | |
| CN106197536A (en) | A kind of monitoring system of communication iron tower | |
| CN112419686B (en) | Multistage judgment alarm and event recording system for bridge impact detection | |
| CN209044821U (en) | A kind of Urban Underground garage disaster monitoring early-warning system | |
| CN203601124U (en) | Car body scratch monitoring system based on vibration and acoustics recognition | |
| CN103513624B (en) | A kind of intelligent control method based on telepilot and system | |
| CN205281721U (en) | Intelligent monitoring system | |
| CN202083757U (en) | Sound abnormality detecting system for power equipment | |
| CN203039803U (en) | Power transmission line remote monitoring system | |
| CN103593929A (en) | Anti-theft tower monitoring system and method | |
| CN204136938U (en) | A kind of vehicle intelligent responds to anti-infringement warning | |
| CN110208848A (en) | Detection device of metal foreign body between a kind of generator stator-rotator | |
| CN109389994A (en) | Identification of sound source method and device for intelligent transportation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: SHAANXI ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140327 Owner name: SHAANXI ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140327 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710054 XI'AN, SHAANXI PROVINCE TO: 100761 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140327 Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Patentee after: State Grid Corporation of China Patentee after: Shaanxi Electric Power Research Institute Address before: 710054 No. 308 Youyi East Road, Shaanxi, Xi'an Patentee before: Shaanxi Electric Power Research Institute |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |