CN104459471A - Arc fault detection device based on POE technology - Google Patents
Arc fault detection device based on POE technology Download PDFInfo
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- CN104459471A CN104459471A CN201410785076.XA CN201410785076A CN104459471A CN 104459471 A CN104459471 A CN 104459471A CN 201410785076 A CN201410785076 A CN 201410785076A CN 104459471 A CN104459471 A CN 104459471A
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Abstract
The invention provides an arc fault detection device based on a POE technology. The device comprises a fault detection module, a data processing module, a POE power supply module, a CPU processor, an Ethernet communication module, a key module and a display module. The fault detection module is connected with the CPU processor through the data processing module, and the CPU processor is connected with the POE power supply module, the Ethernet communication module, the key module and the display module. The arc fault detection device has the advantages that firstly, the device can be obtained by improving a common Ethernet, needed cost is low, and the device is easy to build; secondly, compared with an arc fault detector scheme of a traditional 485 digital signal transmission mode, the device meets requirements of modern large-scale networking better; thirdly, the device can be suitable for different voltage levels and has good adaptability; fourthly, voltage in use is safe voltage, electric shock accidents of people can not occur, and on-site security is improved; fifthly, power consumption is low, and a lot of resources can be saved.
Description
Technical field
The invention belongs to low voltage electrical apparatus technology field, particularly relate to a kind of arc fault detection device based on POE technology.
Background technology
Along with the development of prior art, traditional miniature circuit breaker more and more can not meet the demand under various environment, especially the becoming increasingly complex of consumer in modernization building, causes the danger of electrical fire increasing, thus orders about the birth of arc fault detector.
The working power of traditional arc fault detector takes from point being monitored circuit often, but this arc fault detector often can only detect the electric pressure of several standard, can not adapt to the demand of the export market of different electric pressure.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide a kind of arc fault detection device based on POE technology.
In order to achieve the above object, the arc fault detection device based on POE technology provided by the invention comprises: fault detection module, data processing module, POE power supply module, CPU processor, ethernet communication module, key-press module, display module; Wherein: fault detection module is connected with CPU processor by data processing module, CPU processor is connected with display module with POE power supply module, ethernet communication module, key-press module respectively.
Described fault detection module is arc fault monitoring modular, is arranged in distribution line, mainly comprises current transformer and peripheral components thereof.
Described ethernet communication module is connected with upstream Ethernet switch by Ethernet, and the signal transmission that fault detection module is collected by ethernet communication module and Ethernet by CPU processor is in the Ethernet switch of upstream.
Described POE power supply module is connected with Ethernet.
The present invention has following technique effect:
1, arc fault detector solution of the present invention can by realizing common Ethernet transformation, and expense used is less, easily builds.
2, the present invention is compared with the arc fault detector scheme of 485 traditional digital data transmission modes, is more suitable for the requirement of modern large-scale network-estabilishing.
3, arc fault detector solution of the present invention is compared with traditional arc fault detector, can adapt to different electric pressures, has good adaptability.
4, the present invention adopts POE technology, and the voltage used is safe voltage, accident of human electric shock can not occur, and adds on-the-spot security.
5, provided by the invention have lower power consumption based on POE technology arc fault detector, can save a large amount of resources.
Accompanying drawing explanation
Fig. 1 is the composition frame chart of the arc fault detection device based on POE technology provided by the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the arc fault detection device based on POE technology provided by the invention is described in detail.
POE (active Ethernet) refers to when existing Ethernet Cat.5 wiring architecture does not make any changes, while for some IP-based terminals (as IP telephone machine, wireless local network connecting point AP, web camera etc.) transmission of data signals, the technology of direct current supply can also be provided by kind equipment for this reason.POE technology can ensure the normal operation of existing network while guaranteeing existing structureization wiring safety, reduces costs to greatest extent.
As shown in Figure 1, the arc fault detection device based on POE technology provided by the invention comprises: fault detection module 1, data processing module 2, POE power supply module 3, CPU processor 4, ethernet communication module 5, key-press module 6, display module 7; Wherein: fault detection module 1 is connected with CPU processor 4 by data processing module 2, CPU processor 4 is connected with display module 7 with POE power supply module 3, ethernet communication module 5, key-press module 6 respectively.
Described fault detection module 1 is arc fault monitoring modular, is arranged in distribution line, mainly comprises current transformer and peripheral components thereof.
Described ethernet communication module 5 is connected with upstream Ethernet switch by Ethernet, and the signal transmission that fault detection module 1 is collected by ethernet communication module 5 and Ethernet by CPU processor 4 is in the Ethernet switch of upstream.
Described POE power supply module 3 is connected with Ethernet, it utilizes the idle line in Ethernet netting twine to be transferred to this device by electric energy from Ethernet switch, the electric energy wherein transmitted in Ethernet netting twine is 48V voltage, peak power is no more than 10W, must ensure the electrical safety insulation of 1500V Rms between the input and output of POE power supply module 3.The output voltage of POE power supply module 3 is 3.3V, provides working power for giving whole arc fault detection device.
The principle of work of the arc fault detection device based on POE technology provided by the invention is as follows:
The fault detection module 1 be arranged in distribution line gathers the current signal in distribution line by the current transformer it is connected in distribution line, then above-mentioned current signal be converted into voltage signal that data processing module 2 can receive and send data processing module 2 to, and realizing the function of isolation.The voltage signal received is carried out a series of wavelet analysis by data processing module 2, is converted into multiple time domain and frequency-region signal and is transferred to CPU processor 4.The signal that CPU processor 4 just receives carries out correlation computations, thus judges the failure message in distribution line, and fault is shown on display module 7, and the signal simultaneously transmitted key-press module 6 makes corresponding judgement.The insulating power supply that the Power convert that Ethernet switch is provided by the ethernet line that utilization is idle by POE power supply module 3 is 3.3V, and be used for powering to whole arc fault detection systems.The signal that CPU processor 4 is collected by fault detection module 1 is delivered in the Ethernet switch of upstream by Ethernet by ethernet communication module 5.
Power supply and the signal of the arc fault detection device based on POE technology provided by the invention are all transmitted by Ethernet, and wherein power supply is delivered to this device in downstream from upstream switches by the netting twine of Ethernet; The signal that simultaneous faults detection module 1 detects is delivered in the upstream switches of upstream by the netting twine of Ethernet.
Provided by the invention based in POE power supply module 3 in the arc fault detection device of POE technology without any level translation components and parts, it is by receiving the electric energy from Ethernet, just electric energy is supplied to whole device after only making simple process to electrostatic interference and surge interference.
Described upstream Ethernet switch is according to the related request detailed rules and regulations of IEEE 802.3af, respectively the positive-negative power line of power supply is used in idle ethernet line, be used for transmitting the work energy of this device, namely, in described ethernet line, utilize circuit idle in ethernet line to serve as the positive-negative power line of this device power supply.
Arc fault detection device based on POE technology provided by the invention itself is charged pool and other energy-storage travelling wave tubes not, the power supply of whole system is delivered in arc fault detection device by Ethernet switch by netting twine, and the signal that arc fault detection device collects simultaneously is also delivered in Ethernet switch by Ethernet.
Arc fault detection device based on POE technology provided by the invention is by the power over ethernet signal system of one, achieve the mutual transmission of electric energy and signal simultaneously, both avoid the problem that antijamming capability that conventional analog signal transmission mode brings is low, turn avoid the problem that common 485 digital data transmission modes need additionally to set up supply line.
Claims (4)
1. based on an arc fault detection device for POE technology, it is characterized in that: the described arc fault detection device based on POE technology comprises: fault detection module (1), data processing module (2), POE power supply module (3), CPU processor (4), ethernet communication module (5), key-press module (6), display module (7); Wherein: fault detection module (1) is connected with CPU processor (4) by data processing module (2), CPU processor (4) is connected with display module (7) with POE power supply module (3), ethernet communication module (5), key-press module (6) respectively.
2. the arc fault detection device based on POE technology according to claim 1, it is characterized in that: described fault detection module (1) is arc fault monitoring modular, be arranged in distribution line, mainly comprise current transformer and peripheral components thereof.
3. the arc fault detection device based on POE technology according to claim 1, it is characterized in that: described ethernet communication module (5) is connected with upstream Ethernet switch by Ethernet, the signal transmission that fault detection module (1) is collected by ethernet communication module (5) and Ethernet by CPU processor (4) is in the Ethernet switch of upstream.
4. the arc fault detection device based on POE technology according to claim 1, is characterized in that: described POE power supply module (3) is connected with Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785076.XA CN104459471A (en) | 2014-12-17 | 2014-12-17 | Arc fault detection device based on POE technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785076.XA CN104459471A (en) | 2014-12-17 | 2014-12-17 | Arc fault detection device based on POE technology |
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| CN104459471A true CN104459471A (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410785076.XA Pending CN104459471A (en) | 2014-12-17 | 2014-12-17 | Arc fault detection device based on POE technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696607A (en) * | 2018-12-12 | 2019-04-30 | 云南电网有限责任公司电力科学研究院 | A kind of endoscope and image processing device applied to the diagnosis of arc extinguishing Experimental Optical |
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| CN201601466U (en) * | 2009-12-31 | 2010-10-06 | 南京弘毅电气自动化有限公司 | Feeder line protecting device |
| CN102298106A (en) * | 2011-05-19 | 2011-12-28 | 河海大学 | FPGA (field programmable gate array)-based arc monitoring system in valve hall |
| CN102593816A (en) * | 2012-03-06 | 2012-07-18 | 深圳市海鹏信电子股份有限公司 | Surge protection device of gigabit active Ethernet |
| CN204330954U (en) * | 2014-12-17 | 2015-05-13 | 施耐德万高（天津）电气设备有限公司 | A kind of arc fault detection device based on POE technology |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1917320A (en) * | 2005-08-19 | 2007-02-21 | 珠海格力电器股份有限公司 | Protection circuit for fault electric arc, and method for detecting fault electric arc |
| CN201601466U (en) * | 2009-12-31 | 2010-10-06 | 南京弘毅电气自动化有限公司 | Feeder line protecting device |
| CN102298106A (en) * | 2011-05-19 | 2011-12-28 | 河海大学 | FPGA (field programmable gate array)-based arc monitoring system in valve hall |
| CN102593816A (en) * | 2012-03-06 | 2012-07-18 | 深圳市海鹏信电子股份有限公司 | Surge protection device of gigabit active Ethernet |
| CN204330954U (en) * | 2014-12-17 | 2015-05-13 | 施耐德万高（天津）电气设备有限公司 | A kind of arc fault detection device based on POE technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696607A (en) * | 2018-12-12 | 2019-04-30 | 云南电网有限责任公司电力科学研究院 | A kind of endoscope and image processing device applied to the diagnosis of arc extinguishing Experimental Optical |
| CN109696607B (en) * | 2018-12-12 | 2021-03-02 | 云南电网有限责任公司电力科学研究院 | Endoscopic device applied to optical diagnosis of arc extinction experiment |
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Application publication date: 20150325 |
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| RJ01 | Rejection of invention patent application after publication |