CN203561385U - Power transmission line on-line parameter monitoring system based on fiber-electromechanical sensor - Google Patents
Power transmission line on-line parameter monitoring system based on fiber-electromechanical sensor Download PDFInfo
- Publication number
- CN203561385U CN203561385U CN201320694250.0U CN201320694250U CN203561385U CN 203561385 U CN203561385 U CN 203561385U CN 201320694250 U CN201320694250 U CN 201320694250U CN 203561385 U CN203561385 U CN 203561385U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- micro
- unit
- transmission line
- electricity
- 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
Images
Abstract
The utility model relates to a power transmission line on-line multi-parameter monitoring system based on a fiber-electromechanical (MEMS) sensor technology. The system comprises a measuring module, a transmission mode, a data processing module and a monitoring host that are connected in order and arranged on a power transmission line. The measuring module includes a fiber-electromechanical sensor unit. The transmission module includes a wavelength division multiplexing device and an optical fiber composite overhead ground wire optical cable that are mutually connected. The data processing module includes an optical path unit, a photoelectric switching circuit unit, a digital signal processing unit and an acousto-optic electric alarming unit that are connected in order. The monitoring system collects signals of multiple parameters about running states of a power transmission line via a fiber-electromechanical sensor in a real-time manner, transmits data through a fiber, and then the data is converted, received and processed by a data processing unit. The monitoring system with properties of high integration, miniaturization and lower power consumption has monitoring and early warning functions.
Description
Technical field:
The utility model relates to a kind of on-line monitoring system, more specifically relates to a kind of online multi-parameter monitoring system of transmission line of electricity based on optical fiber-micro electronmechanical (MEMS) sensor technology.
Background technology:
Powerline ice-covering, aeolian vibration, wave can cause that power transmission line passing load, conductor galloping, shaft tower are toppled over, the accident such as insulator chain icing flashover, short circuit tripping operation and overload, cause huge economic loss and serious social influence.Carry out the effective monitoring of transmission of electricity icing and can obtain in real time powerline ice-covering situation, carry out in advance disaster prevention, in addition transmission line wire temperature is monitored, can provide technical support for electric load dynamic compatibilization, there is obvious economic worth and social effect.Therefore, sophistication means are carried out on-line monitoring effectively to transmission line of electricity running status, grasp in real time transmission line of electricity running status, realize early stage disaster alarm, reduce loss of outage, avoid serious accident to occur and improve the safe and reliable operation targets such as transmission of electricity load, the on-line monitoring of transmission line of electricity running status is the development trend of transmission line of electricity safe operation.
Existing monitoring transmission line icing technology mainly contains: electric power line ice-covering thickness on-Line Monitor Device, transmission line of electricity aeolian vibration on-Line Monitor Device, transmission line galloping on-Line Monitor Device, the devices such as transmission line of electricity aeolian vibration on-Line Monitor Device and transmission line of electricity microclimate on-Line Monitor Device, these types of devices adopt mechanical type more, electric, the sensing modes such as optical fiber type, the device of this type exists measurement device single, volume is excessive, be subject to electromagnetic interference (EMI), accuracy and poor reliability, confidentiality is poor, power unreliable, the problems such as data communication delay and obliterated data, limited greatly the application of on-line monitoring system in transmission line of electricity monitoring running state.
Fibre Optical Sensor has excellent insulation performance, without external power supply, powers, is not subject to the advantages such as electromagnetic interference (EMI) and strong security, has very large advantage in transmission line of electricity on-line monitoring.In addition, micro photo-electro-mechanical MEMS process technology has the outstanding features such as little, the responsive sensing element integrated level of size is high, low in energy consumption, cost is low, reliability is high, and under transmission line of electricity rugged surroundings, application has unique advantage.On-Line Monitor Device based on sensing modes such as fiber grating and micro photo-electro-mechanical mems accelerometers has started application at present, but technology application is perfect not enough, sensor performance is excellent not, and the online multi-parameter monitoring system of a kind of transmission line of electricity based on optical fiber-micro electronmechanical MEMS sensor of the utility model application can address the above problem.
Utility model content:
The purpose of this utility model is to provide a kind of online multi-parameter monitoring system of transmission line of electricity based on optical fiber-micro electronmechanical (MEMS) sensor technology, and this monitoring system can realize monitoring and the early warning of high integration, microminiaturization and low-power consumption.
For achieving the above object, the utility model is by the following technical solutions: a kind of transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors, and described system comprises measurement module, transport module, data processing module and the monitoring host computer on described transmission line of electricity that be arranged on connecting successively; Described measurement module comprises optical fiber-micro-electro-mechanical sensors unit; Described transport module comprises interconnective wavelength division multiplexer and Optical Fiber composite overhead Ground Wire optical cable; Described data processing module comprises optical path unit, photoelectric switching circuit unit, the digital signal processing unit harmony photoelectric alarm unit connecting successively.
A kind of transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors that the utility model provides, described optical fiber-micro-electro-mechanical sensors unit comprises optical fiber-micro electronmechanical temperature sensor unit, optical fiber-micro electronmechanical vibration transducer unit, optical fiber-micro electronmechanical pulling force sensor unit, optical fiber-micro electronmechanical obliquity sensor unit, optical fiber-micro electronmechanical temperature sensor unit, optical fiber-micro electronmechanical environment temperature sensor unit, optical fiber-micro electronmechanical wind speed wind direction sensor unit, optical fiber-micro electronmechanical humidity sensor unit and optical fiber-micro electronmechanical baroceptor unit.
A kind of transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors that the utility model provides, the output terminal of described optical fiber-micro-electro-mechanical sensors unit is all connected with described wavelength division multiplexer.
A kind of transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors that the utility model provides, described Optical Fiber composite overhead Ground Wire optical cable is connected with described optical path unit.
Another preferred a kind of transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors that the utility model provides, described digital signal processing unit is connected with described monitoring host computer.
Another preferred a kind of transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors that the utility model provides, described optical path unit comprises high frequency swept light source and light signal classification modulation, described light signal classification modulation comprises optoisolator, light dispenser, fiber F-P wave filter, photo-coupler and grating, described grating comprises comb filter grating, transmission-type grating and reflection grating, and the signal of described comb filter grating and transmission-type grating output is for demarcating described reflection grating signal.
Another preferred a kind of transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors that the utility model provides, described photoelectricity dress changes circuit unit and comprises SOA image intensifer, photoelectric tube and voltage amplifier.
Another preferred a kind of transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors that the utility model provides, described digital signal processing unit comprises AD conversion chip, DSP and on-site programmable gate array FPGA unit; Described DSP and on-site programmable gate array FPGA unit adopt serial communication interface to carry out corresponding digital filtering and Algorithm Analysis to electric signal.
Another preferred a kind of transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors that the utility model provides, described acousto-optic-electric alarm unit comprises P type triode and power relay.
Another preferred a kind of transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors that the utility model provides, described optical fiber-micro electronmechanical wire temperature sensor cellular installation is on transmission pressure, for monitoring transmission line wire temperature; Optical fiber-micro electronmechanical vibration transducer cellular installation leading, the tired dangerous point of ground wire (containing OPGW), for monitoring the aeolian vibration situation of transmission of electricity electric wire; Optical fiber-micro electronmechanical pulling force sensor cellular installation is monitored wire tension in positions such as transmission of electricity electric wire, insulator chains, for monitoring electric power line ice-covering thickness, conducting wire sag and line oscillation; Optical fiber-micro electronmechanical obliquity sensor cellular installation is monitored wire tension in positions such as transmission of electricity electric wire, insulator chains, for monitoring electric power line ice-covering thickness, conducting wire sag and line oscillation; Optical fiber-micro electronmechanical environment temperature sensor unit, optical fiber-micro electronmechanical wind speed wind direction sensor unit, optical fiber-micro electronmechanical humidity sensor unit and optical fiber-micro electronmechanical baroceptor cellular installation are on transmission tower, for monitoring the parameters such as transmission line of electricity ambient air temperature, wind speed, wind direction, humidity and air pressure.
With immediate prior art ratio, the utility model provides technical scheme to have following excellent effect
1, the sensor designing in conjunction with the comprehensive advantage of Fibre Optical Sensor and MEMS process technology in the utility model, the comprehensive advantage with optical fiber and MEMS technology, makes the measuring accuracy of this sensor high, stability and good reliability, micro-power consumption, volume is small and exquisite, integrated level is high and the feature such as passive measurement;
2, the utility model adopts the micro electronmechanical distributed measurement technology of optical fiber-MEMS, Digital Signal Processing and integrated circuit technique is combined, and can monitor a plurality of transmission lines of electricity monitored area simultaneously, greatly reduces system cost;
3, the utlity model has optical fiber demodulating equipment, without independently Photoelectrical detector and optical fiber (FBG) demodulator, can adopt multiprocessing method to carry out demodulation to light signal, have that measurement result accuracy is high, scalability good and the feature such as volume is small and exquisite;
4, the utility model Application of Monitoring System optical fiber-MEMS sensor carries out live signal collection to transmission line of electricity running status multiparameter, by optical fiber, carry out data transmission, at data processing unit, data are changed and received and process, realize monitoring and the early warning of high integration, microminiaturization and low-power consumption.
Accompanying drawing explanation
Fig. 1 is the monitoring system schematic diagram of the utility model on-line monitoring multiparameter;
Fig. 2 is the utility model on-line monitoring system structural representation.
Embodiment
Below in conjunction with embodiment, utility model is described in further detail.
Embodiment 1:
As shown in Figure 1-2, the on-line parameter monitoring system based on optical fiber-micro electronmechanical (MEMS) sensor technology of this routine utility model comprises measurement module, transport module, data processing module and the monitoring host computer connecting successively; Described measurement module comprises optical fiber-MEMS micro-electro-mechanical sensors unit, and described transport module comprises interconnective wavelength division multiplexer and OPGW Optical Fiber composite overhead Ground Wire optical cable, and described wavelength division multiplexer adopts the intensive light wavelength division multiplexing of 200GHz channel spacing.Described data processing module comprises that optical path unit, photoelectricity dress change circuit unit, digital signal processing unit harmony photoelectric alarm unit; Described Optical Fiber composite overhead Ground Wire optical cable is connected with described optical path unit, and described digital signal processing unit is connected with described monitoring host computer.
Described measurement module, the light signal transmitting for receiving optical fiber, and the optical signal transmission after reflection is arrived to described transport module.Described transport module, for transmitting the light signal of incident optical signal and reflection.Described data processing module, for receiving the rear light signal of reflection, carries out demodulation to the wavelength of light signal, and the data after demodulation is processed and analyzed.
Described optical fiber-MEMS micro photo-electro-mechanical sensor unit comprises the micro electronmechanical temperature sensor of optical fiber-MEMS unit, the micro electronmechanical vibration transducer of optical fiber-MEMS unit, the micro electronmechanical pulling force sensor of optical fiber-MEMS unit, the micro electronmechanical obliquity sensor of optical fiber-MEMS unit, the micro electronmechanical temperature sensor of optical fiber-MEMS unit, the micro electronmechanical environment temperature sensor of optical fiber-MEMS unit, the micro electronmechanical wind speed wind direction sensor of optical fiber-MEMS unit, optical fiber-MEMS micro electronmechanical humidity sensor unit and the micro electronmechanical baroceptor of optical fiber-MEMS unit.
Wherein, the micro electronmechanical pulling force sensor of described optical fiber-MEMS unit, the micro electronmechanical obliquity sensor of optical fiber-MEMS unit, the micro electronmechanical environment temperature sensor of optical fiber-MEMS unit, the micro electronmechanical wind speed wind direction sensor of optical fiber-MEMS unit, optical fiber-MEMS micro electronmechanical humidity sensor unit and the micro electronmechanical baroceptor of optical fiber-MEMS unit, for measure traverse line tension force and environment weather parameter, calculate the ice covering thickness of transmission pressure according to model.
Described optical fiber-micro electronmechanical wire temperature sensor cellular installation is on transmission pressure, for monitoring transmission line wire temperature; Optical fiber-micro electronmechanical vibration transducer cellular installation leading, the tired dangerous point of ground wire (containing OPGW), for monitoring the aeolian vibration situation of transmission of electricity electric wire; Optical fiber-micro electronmechanical pulling force sensor cellular installation is monitored wire tension in positions such as transmission of electricity electric wire, insulator chains, for monitoring electric power line ice-covering thickness, conducting wire sag and line oscillation; Optical fiber-micro electronmechanical obliquity sensor cellular installation is monitored wire tension in positions such as transmission of electricity electric wire, insulator chains, for monitoring electric power line ice-covering thickness, conducting wire sag and line oscillation; Optical fiber-micro electronmechanical environment temperature sensor unit, optical fiber-micro electronmechanical wind speed wind direction sensor unit, optical fiber-micro electronmechanical humidity sensor unit and optical fiber-micro electronmechanical baroceptor cellular installation are on transmission tower, for monitoring the parameters such as transmission line of electricity ambient air temperature, wind speed, wind direction, humidity and air pressure.
Described optical path unit comprises high frequency swept light source and light signal classification modulation, described light signal classification modulation comprises optoisolator, light dispenser, fiber F-P wave filter, photo-coupler and grating, described grating comprises comb filter grating, transmission-type grating and reflection grating, and the signal of described comb filter grating and transmission-type grating output is for demarcating described reflection grating signal.
Described photoelectricity dress changes circuit unit and comprises SOA image intensifer, photoelectric tube and voltage amplifier.
Described digital signal processing unit comprises ADI24 position AD conversion chip, TIC6000 series DSP and XILINX Spartan2 series on-site programmable gate array FPGA unit, and described DSP and on-site programmable gate array FPGA unit adopt serial communication interface to carry out corresponding digital filtering and Algorithm Analysis to signal.
Described acousto-optic-electric alarm unit comprises P type triode and power relay.
Before native system is used, according to the technical requirement of transmission line of electricity on-line monitoring multi-parameter monitoring, in digital signal processing unit, set the parameters such as pulling force parameter, dip angle parameter, conductor temperature parameter, vibration parameters, wind speed and direction parameter, environment temperature parameter, humidity parameter and pneumatic parameter, for the signal of different parameters, process.Optical fiber sends the light signal of different wave length, different wave length is used for distinguishing pulling force parameter, dip angle parameter, conductor temperature parameter, vibration parameters, wind speed and direction parameter, environment temperature parameter, humidity parameter and air pressure parameter sensors, optical fiber-MEMS sensor is converted to above-mentioned parameter the variation of corresponding reflection wave wavelength, wavelength division multiplexer is received in the output unification of described optical fiber-MEMS sensor, realization is incorporated into an optical fiber by multi beam measuring-signal, utilize OPGW to carry out signal transmission, optical path unit and photoelectric switching circuit unit carry out sending into after signal conversion that signal processing unit carries out Wavelength demodulation and corresponding signal is processed, data after processing are delivered on monitoring host computer, when operational factor reaches early warning value, automatically carry out sound, light is reported to the police, realize abnormal prompt.
The sensing mode that the utility model adopts is optical fiber-MEMS sensor technology, this technology has the comprehensive advantage of optical fiber and MEMS technology, makes that designed sensor has that measuring accuracy is high, frequency response good, stability and good reliability, micro-power consumption, volume is small and exquisite, integrated level is high and the feature such as passive measurement.
The utility model adopts optical fiber-MEMS micro photo-electro-mechanical distributed measurement technology, Digital Signal Processing and integrated circuit technique is combined, without independently Photoelectrical detector and optical fiber (FBG) demodulator, can adopt multiprocessing method to carry out demodulation to light signal, have that measurement result accuracy is high, scalability good and the feature such as volume is small and exquisite, can monitor a plurality of transmission lines of electricity monitored area simultaneously, greatly reduce system cost.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement embodiment of the present utility model, and do not depart from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of this claim scope.
Claims (10)
1. the transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors, described system comprises measurement module, transport module, data processing module and the monitoring host computer on described transmission line of electricity that be arranged on connecting successively; It is characterized in that: described measurement module comprises optical fiber-micro-electro-mechanical sensors unit; Described transport module comprises interconnective wavelength division multiplexer and Optical Fiber composite overhead Ground Wire optical cable; Described data processing module comprises optical path unit, photoelectric switching circuit unit, the digital signal processing unit harmony photoelectric alarm unit connecting successively.
2. the transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors as claimed in claim 1, it is characterized in that: described optical fiber-micro-electro-mechanical sensors unit comprises optical fiber-micro electronmechanical temperature sensor unit, optical fiber-micro electronmechanical vibration transducer unit, optical fiber-micro electronmechanical pulling force sensor unit, optical fiber-micro electronmechanical obliquity sensor unit, optical fiber-micro electronmechanical wire temperature sensor unit, optical fiber-micro electronmechanical environment temperature sensor unit, optical fiber-micro electronmechanical wind speed wind direction sensor unit, optical fiber-micro electronmechanical humidity sensor unit and optical fiber-micro electronmechanical baroceptor unit.
3. the transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors as claimed in claim 1, is characterized in that: the output terminal of described optical fiber-micro-electro-mechanical sensors unit is all connected with described wavelength division multiplexer.
4. the transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors as claimed in claim 1, is characterized in that: described digital signal processing unit is connected with described monitoring host computer.
5. the transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors as claimed in claim 4, is characterized in that: described Optical Fiber composite overhead Ground Wire optical cable is connected with described optical path unit.
6. the transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors as claimed in claim 5, it is characterized in that: described optical path unit comprises high frequency swept light source and light signal classification modulation, described light signal classification modulation comprises optoisolator, light dispenser, fiber F-P wave filter, photo-coupler and grating, described grating comprises comb filter grating, transmission-type grating and reflection grating, and the signal of described comb filter grating and transmission-type grating output is for demarcating described reflection grating signal.
7. the transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors as claimed in claim 1, is characterized in that: described photoelectricity dress changes circuit unit and comprises SOA image intensifer, photoelectric tube and voltage amplifier.
8. the transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors as claimed in claim 1, is characterized in that: described digital signal processing unit comprises AD conversion chip, DSP and on-site programmable gate array FPGA unit; Described DSP and on-site programmable gate array FPGA unit adopt serial communication interface to carry out corresponding digital filtering and Algorithm Analysis to electric signal.
9. the transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors as claimed in claim 1, is characterized in that: described acousto-optic-electric alarm unit comprises P type triode and power relay.
10. the transmission line of electricity on-line parameter monitoring system based on optical fiber-micro-electro-mechanical sensors as claimed in claim 2, is characterized in that: described optical fiber-micro electronmechanical wire temperature sensor cellular installation is on transmission pressure, for monitoring the temperature of wire; Optical fiber-micro electronmechanical aeolian vibration sensor unit is arranged on the tired Dangerous Place of transmission pressure, ground wire, for monitoring lead wire and earth wire aeolian vibration situation; Optical fiber-micro electronmechanical pulling force sensor cellular installation goes out at terminal, for measuring the tension force of lead wire and earth wire; Optical fiber-micro electronmechanical obliquity sensor cellular installation, on transmission pressure or shaft tower, for monitoring the inclination angle of wire or shaft tower, is applicable to equivalent ice covering thickness monitoring, conducting wire sag monitoring, wire windage yaw monitoring and shaft tower and tilts to monitor; Optical fiber-micro electronmechanical environment temperature sensor cellular installation, on shaft tower, is monitored for transmission line of electricity environment temperature; Optical fiber-micro electronmechanical wind speed wind direction sensor cellular installation, on shaft tower, is monitored for transmission line of electricity ambient wind velocity; Optical fiber-micro electronmechanical humidity sensor unit and optical fiber-micro electronmechanical baroceptor cellular installation, on shaft tower, is respectively used to transmission line of electricity ambient humidity and atmospheric pressure monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320694250.0U CN203561385U (en) | 2013-11-05 | 2013-11-05 | Power transmission line on-line parameter monitoring system based on fiber-electromechanical sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320694250.0U CN203561385U (en) | 2013-11-05 | 2013-11-05 | Power transmission line on-line parameter monitoring system based on fiber-electromechanical sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203561385U true CN203561385U (en) | 2014-04-23 |
Family
ID=50511100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320694250.0U Expired - Lifetime CN203561385U (en) | 2013-11-05 | 2013-11-05 | Power transmission line on-line parameter monitoring system based on fiber-electromechanical sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203561385U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459438A (en) * | 2014-12-05 | 2015-03-25 | 国网浙江奉化市供电公司 | Insulation performance detecting system for metal sheath of power cable |
| CN104597347A (en) * | 2015-01-16 | 2015-05-06 | 国网上海市电力公司 | Power transmission line power-frequency parameter testing device based on optical fiber and portable computer |
| CN105953940A (en) * | 2016-04-21 | 2016-09-21 | 北京卫星环境工程研究所 | Temperature, humidity and wind speed integrated sensing system of fiber grating |
| CN106373370A (en) * | 2016-11-22 | 2017-02-01 | 陕西诺维北斗信息科技股份有限公司 | Intelligent wireless power transmission line status monitoring system |
| CN107421625A (en) * | 2017-06-30 | 2017-12-01 | 中光华研电子科技有限公司 | A kind of distributed optical fiber sensing system suitable for power transmission line swaying monitoring |
| CN108645372A (en) * | 2018-06-05 | 2018-10-12 | 华南理工大学 | A kind of large span power transmission conducting wire suspension crawl bending strain measurement method |
| CN110319880A (en) * | 2019-06-20 | 2019-10-11 | 永州电力勘测设计院有限公司 | Transmission line online monitoring system based on quasi-distributed sensor data |
| CN112050860A (en) * | 2020-09-22 | 2020-12-08 | 国家电网有限公司 | Monitoring and analyzing method for overhead transmission line element |
| CN112345128A (en) * | 2020-09-22 | 2021-02-09 | 国家电网有限公司 | Mechanical force monitoring and analyzing method for ground wire of overhead transmission line |
| CN112484758A (en) * | 2020-11-27 | 2021-03-12 | 内蒙古电力（集团）有限责任公司乌兰察布电业局 | Application of MEMS-based targeted gas-sensitive optical fiber sensing in state detection of oil-poor equipment |
| CN115112036A (en) * | 2022-06-28 | 2022-09-27 | 上海拜安传感技术有限公司 | Monitoring system of battery module |
-
2013
- 2013-11-05 CN CN201320694250.0U patent/CN203561385U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459438A (en) * | 2014-12-05 | 2015-03-25 | 国网浙江奉化市供电公司 | Insulation performance detecting system for metal sheath of power cable |
| CN104597347A (en) * | 2015-01-16 | 2015-05-06 | 国网上海市电力公司 | Power transmission line power-frequency parameter testing device based on optical fiber and portable computer |
| CN105953940A (en) * | 2016-04-21 | 2016-09-21 | 北京卫星环境工程研究所 | Temperature, humidity and wind speed integrated sensing system of fiber grating |
| CN105953940B (en) * | 2016-04-21 | 2018-03-30 | 北京卫星环境工程研究所 | Temperature, humidity and the wind speed integration composite sensing system of fiber grating |
| CN106373370A (en) * | 2016-11-22 | 2017-02-01 | 陕西诺维北斗信息科技股份有限公司 | Intelligent wireless power transmission line status monitoring system |
| CN107421625A (en) * | 2017-06-30 | 2017-12-01 | 中光华研电子科技有限公司 | A kind of distributed optical fiber sensing system suitable for power transmission line swaying monitoring |
| CN108645372A (en) * | 2018-06-05 | 2018-10-12 | 华南理工大学 | A kind of large span power transmission conducting wire suspension crawl bending strain measurement method |
| CN108645372B (en) * | 2018-06-05 | 2020-06-19 | 华南理工大学 | Large-span transmission conductor suspension point dynamic bending strain measurement method |
| CN110319880A (en) * | 2019-06-20 | 2019-10-11 | 永州电力勘测设计院有限公司 | Transmission line online monitoring system based on quasi-distributed sensor data |
| CN112050860A (en) * | 2020-09-22 | 2020-12-08 | 国家电网有限公司 | Monitoring and analyzing method for overhead transmission line element |
| CN112345128A (en) * | 2020-09-22 | 2021-02-09 | 国家电网有限公司 | Mechanical force monitoring and analyzing method for ground wire of overhead transmission line |
| CN112484758A (en) * | 2020-11-27 | 2021-03-12 | 内蒙古电力（集团）有限责任公司乌兰察布电业局 | Application of MEMS-based targeted gas-sensitive optical fiber sensing in state detection of oil-poor equipment |
| CN115112036A (en) * | 2022-06-28 | 2022-09-27 | 上海拜安传感技术有限公司 | Monitoring system of battery module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203561385U (en) | Power transmission line on-line parameter monitoring system based on fiber-electromechanical sensor | |
| CN101614602B (en) | Method and device for monitoring power transmission line | |
| CN203163769U (en) | Overhead line safety monitoring system based on distributed fiber sensors | |
| US10608830B2 (en) | Power over fiber enabled sensor system | |
| CN201885824U (en) | Online distributing cable temperature monitoring device | |
| CN102141434A (en) | Online monitoring system for power transmission line oscillation | |
| CN203705085U (en) | Distributed optical fiber temperature measurement device and system | |
| CN111238573A (en) | Optical fiber type multi-parameter cable terminal detection system | |
| CN202511922U (en) | Oppc optical cable stress and carrying capacity measuring and calculating system | |
| CN102680131A (en) | Distributed fiber grating temperature measurement sensing device | |
| CN206932067U (en) | A kind of transmission line of electricity provided with distributed fiberoptic sensor | |
| CN201955411U (en) | Cable current carrying capacity monitoring system based on distributed optical fiber temperature measuring method | |
| CN103259609B (en) | Point type high-voltage transmission line optical fiber detection network | |
| CN103323056B (en) | A kind of power equipment DC current temperature, pressure monitoring device | |
| CN203203611U (en) | Quasi-distributed high voltage transmission line optical fiber monitoring network | |
| CN206057508U (en) | A kind of primary cut-out on-line monitoring system | |
| CN201269789Y (en) | Electric system switch cabinet parameter on-line monitoring apparatus based on optical fiber sensor technique | |
| CN206540618U (en) | The distributed power transmission line windburn monitoring system communicated based on 4G | |
| CN206192371U (en) | A on -line monitoring system for transmission cable based on optical fiber sensing | |
| CN114235017A (en) | Photoelectric fusion long-distance monitoring device and method for power transmission line | |
| CN101387560A (en) | Switch cabinet parameter on-line monitoring device for electrical power system based on fiber optic sensor technology | |
| CN209659007U (en) | Grid power transmission route ice covering monitoring system | |
| CN204740078U (en) | Composite fiber -optic overhead ground wi distributing type icing on -line monitoring system | |
| CN203908587U (en) | Optical cable splice box temperature and humidity wireless detecting system | |
| CN203259266U (en) | Smart power grid plastic optical fiber temperature sensing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |