CN202202897U - Coal mine high-voltage line cable head failure pre-alarming system - Google Patents
Coal mine high-voltage line cable head failure pre-alarming system Download PDFInfo
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- CN202202897U CN202202897U CN2011200206114U CN201120020611U CN202202897U CN 202202897 U CN202202897 U CN 202202897U CN 2011200206114 U CN2011200206114 U CN 2011200206114U CN 201120020611 U CN201120020611 U CN 201120020611U CN 202202897 U CN202202897 U CN 202202897U
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Abstract
The utility model relates to a coal mine high-voltage line cable head failure pre-alarming system, which is capable of monitoring a cable head parameter in the real time and sending out a failure pre-alarming information. The coal mine high-voltage line cable head failure pre-alarming system comprises a wireless sensor (10), a data transponder (20) and a monitor host computer (30), characterized in that: the wireless sensor (10) used for sensing the power supply and provided with a power supply lead is mounted on a joint position of a cable joint, a cable and an aluminum stranded cable; an energy storage component (11) is arranged in the wireless sensor. The data transponder comprises two antennae of different frequencies, the power is supplied mainly by a solar energy or a wind energy (22), a build-in charging accumulator (21) is used as a back-up power supply. The voltage, current and temperature data of the cable head is sent to the data transponder and then processed and transferred to a special IP address on a mobile GSM public network, the background monitor host computer (30) accesses to the special IP address of the Internet to extract the operation parameter of the line and the operation parameter is displayed on a user LCD and simultaneously a line pre-alarming short message to a pre-set handset.
Description
Technical field
The utility model relates to a kind of colliery high-tension line cable head fault early warning system; Specifically a kind of have real-time monitoring high-tension line head voltage, electric current and temperature parameter, and can change the fault early warning system that before breaking down, sends the early warning short message function according to the circuit operational factor.Be widely used in the fault early prevention occasion of industry power supply special lines such as mine, metallurgy, chemical industry.
Background technology
At present, the power supply reliability of industries such as mine, metallurgy, chemical industry requires very high, and most of double loop spinning operation mode that adopts is to reduce the forced outage rate.But because reasons such as the consumer power of these industries is big, laod unbalance, device category is various, harmonic component is big and the quality of power supply is generally poor; Insulation breakdown to circuit is more much bigger than general civilian circuit; Although these industrial users have taked some insulation enhancements; But, produce little effect in default of effective monitoring means.
The down-hole of bargh ventilates and the reliability requirement especially strictness of drawing-off gas equipment to supplying power; Power off time reaches the gas accident that crisis life safety just will take place in several minutes; For a long time, the fault outage of supply line is a difficult problem that perplexs industry users such as mine always.
In sum; Develop a kind of working voltage, electric current and the temperature parameter that can monitor the high voltage supply circuit in real time; And the mathematical operation model through specific is handled these data; So that insulation descends and the unusual early warning information of just sending in early days of loading occurring at circuit, remind the timely grid switching operation of operations staff, avoid the fault early warning system of forced outage to have important practicality and safe value.
Field operation experiences shows that the weakest link of high pressure subscribers feeder is a cable head, and the line fault more than 90% all comes from cable head.Therefore the present invention is directed to this problem and designed high-voltgae pothead fault early warning system based on up-to-date intelligent grid science and technology.
Summary of the invention
A kind of ultra-high-tension power transmission line parameter acquisition and fault based on the public network Radio Transmission Technology of the utility model design judged early warning system in early days; At cable connector and the cable and the aluminum stranded conductor joint area of circuit, the wireless multiple parameter sensor (10) of inductive power supply is installed.Voltage, electric current and the temperature data of gathering the cable head position send to headend (20).Move on the GSM public network specific I P address through being sent to after transponder (20) processing.Background monitoring computer (30) extracts the circuit operational factor that headend (20) sends through this particular ip address of internet access.Be presented on the user LCD on the one hand, the process computer program calculates and judges whether the operation conditions of circuit is healthy on the other hand, and points out at the imminent sound and light alarm that gives in early days of fault, sends the early warning note to predefined mobile phone simultaneously.
The radio alarming frequency range of using be the public frequency range of radio committee permission to need not application.Not disturbed by environment (electromagnetic field, noise, human body),, do not have distance limit as long as the place that has public network GSM signal to cover can be monitored.
To achieve these goals, the technical scheme of the utility model employing is:
A kind of colliery high-tension line cable head fault early warning system comprises wireless senser (10), headend (20) and monitoring host computer (30).It is characterized in that having early stage alarm of ultra-high-tension power transmission line fault and trouble saving generation function.
Wireless senser (10) adopts integrated design, has integrated line voltage distribution, load current and three kinds of sensors of conductor temperature, and adopts the induction energy fetching technology, directly obtains electric energy as power supply from lead.Directly be articulated in during installation on the ultra-high-tension power transmission line cable head, it gathers real-time current, voltage and the temperature data at cable head position, and sends headend (20) to wireless mode.
Headend (20) has two effects, is used to realize the isolation of high pressure on the one hand, promptly through the data of wireless receiving from sensor (10), is not electrically connected again and between sensor (10), realizes the isolation fully of high-low pressure; On the other hand again with the cable head operational factor that receives through GSM or the wireless monitoring system data receiving platform that is forwarded to Surveillance center of 3G public network, realize the data long-distance transmissions.
Headend (20) will play the effect of teletransmission relaying, and it can accept a plurality of from wireless senser (10) data sent, and unified the transmission, thereby reduce investment outlay.
Monitoring host computer (30) is the important support environment of native system, also is one of core ingredient.It is made up of industrial computer (30), LCD display device (31), the broadband access equipment (32) that is connected to the internet, data and fault judgement software (33) and note transmitting apparatus (34).
Industrial computer (30) is the running background hardware environment of native system, requires to be fit to long-term high-speed computation.Broadband access equipment (32) can be common ADSL MODERM, Ethernet data special line or optical fiber MODERM., and which kind of access device all needs the broadband ISP that static ip address is provided.And provide the exclusive data port to supply this fault early warning system software to use.Data and fault judgement software (33) are the special-purpose softwares of native system, and based on DELPHI exploitation, it is realized based on the distance reception of the wireless public network data message from headend through the port of access internet specific I P address.Decoding back calculation process demonstrates real-time voltage, electric current and the temperature parameter at each cable head position on LCD, data processing software can constantly be analyzed the data of relatively accepting simultaneously, judges the fault that possibly occur according to data variation trend, triggers alert event.
Note transmitting apparatus (34) is connected to industrial control host, and it receives the instruction from data processing software (33), sends the early warning short message to predefined mobile phone.
Advantage of the present invention is:
Realize the digital intelligent management of industrial users' such as colliery high voltage supply circuit, let the attendant can grasp the real time data of each weak link of circuit in real time, effectively improve the electric power overhaul maintenance levels.
Early stage judgement of line fault and note early warning are innovations of electric power overhaul, can effectively the fault outage accident be eliminated in rudiment, effectively reduce the safety of coal mines hidden danger that improper power failure brings, and guarantee safe production, and guarantee personal safety.
Thereby present technique has improved power supply reliability owing to effectively reduce frequency of power cut simultaneously, practices thrift human and material resources, financial resources, reaches raising the output, synergy, purpose of safety, lets enterprise obtain good economic benefit and social benefit.
This patent have implement simple, processing ease, easy to use, improve track walker's the safety and the characteristics of operating efficiency, have very high practical and popularizing value.
To combine Figure of description and specific embodiment to explain further details below.
Description of drawings
Fig. 1 early warning system sketch map
Fig. 2 early warning system work block diagram
The specific embodiment
With reference to the block diagram of figure 1 colliery high-tension line cable head fault early warning system, whole early warning system is made up of wireless senser (10), headend (20) and monitoring host computer (30) three parts.
Select for use surface mount device and double-deck wiring board to install with reference to figure 2 wireless sensers (11), whole volume is controlled in the 450X450X600mm.Inner integrated micro voltage sensor, high magnetic conduction current transformer and digital temperature sensor.The voltage sensor precision is ± 1V that the current sensor precision is ± 0.5A that the temperature pick up precision is ± 0.1 ℃.The magnet ring of current transformer adopts open design, is convenient to install to line card.The sealing of whole sensor componentry is installed in the plastic chamber of an epoxy resin perfusion, and the wireless data transmission antenna adopts the little band design of printed board.The power supply design alternative dual power supply scheme of sensor is supplied power as energy-storage travelling wave tube by built-in high power lithium battery at ordinary times, when circuit has electricity, gives lithium cell charging by the current transformer induction energy fetching on the one hand as power supply, supplies power to sensor on the other hand.
Mainly form with reference to figure 2 devices headend (20): headend main frame (20), solar energy or wind energy change-over panel (22), battery (21) by three parts.Headend main frame (20) adopts wireless two-frequency operation pattern; Receiving unit is operated in the frequency range of 400MHz; Be used to receive the line parameter circuit value data that wireless senser (10) sends, transmitting section is operated in the mobile GSM public network frequency range of 900/1800MHz, realizes the data long-distance transmissions.
Headend (20) can be that 400MHz communication receiving/transmission module and GSM public network data transmission module combine; Also can be with plate PCB integrated design; Headend (20) power supply adopts the sealed lead-acid maintenance-free battery reserve power supply of 12V/10Ah; Main power supply adopts 18V/20W solar panel or wind energy converter to supply power to transponder, charges a battery simultaneously.
Form by Industrial Personal Computer (IPC) (30), LCD display (31), internet access facility (32), data processing software (33) and note cat (34) with reference to processing of figure 2 back-end datas and monitoring system.
Industrial Personal Computer (IPC) is selected the above double-core industrial computer of technical grade P4 for use, and what present embodiment was selected for use is DELL OPTIX bussiness class computer, is configured to P4/2.4GHZ CPU/2G internal memory/160G hard disk.
LCD display (31) is selected 22 o'clock high-resolution liquid crystal widescreen displays for use, is used to show the track data and the indicating fault interface that collect.
Internet access facility (32) can be the above ADSL of 2M, Ethernet data special line or wireless 3G network interface card, and what present embodiment was selected for use is the fixedly Ethernet data special line of IP of binding.
Data processing software (33) is based on the WINDOWS platform development; The storage of historical data and call the database that adopts Oracle; User's human-computer interaction interface adopts the DELPHI graphic programming, makes the user intuitively see voltage, electric current and the temperature data of every in circuit, draws enforcement and historical electric current, temperature curve simultaneously; The and then whether operation of assisted user grasp circuit is healthy, and the potential fault symptom of a trend.
Note cat (34) is adopted technical grade note transmit modulator, and per second can send 100 short message, the compatible UNICOM of messaging format, move, the GSM of telecommunications, realize that the compatible alarming short message breath of national whole network sends.
Claims (6)
1. colliery high-tension line cable head fault early warning system; Comprise wireless senser (10), headend (20) and monitoring host computer (30); It is characterized in that; At cable connector and the cable and the aluminum stranded conductor joint area of circuit, the wireless senser (10) of inductive power supply is installed, voltage, electric current and the temperature data of gathering the cable head position send to headend (20); Move on the GSM public network specific I P address through being sent to after transponder (20) processing; Whether healthy background monitoring main frame (30) extracts the circuit operational factor that headend (20) sends through this particular ip address of internet access, be presented on the user LCD on the one hand, simultaneously to predefined mobile phone transmitting line operation conditions early warning note.
2. colliery as claimed in claim 1 high-tension line cable head fault early warning system; It is characterized in that; Described wireless senser (10) is articulated on circuit or the cable head; Closely contact with test line or cable head, be provided with the power supply lead-in wire, and supply power to wireless senser as the energy from circuit induction power taking to be measured.
3. colliery as claimed in claim 1 high-tension line cable head fault early warning system; It is characterized in that; The built-in energy-storage travelling wave tube of described wireless senser (10) (11); When test line has a power failure, to the wireless senser power supply, guarantee it and when line outage, still can line parameter circuit value be passed to headend (20) by built-in energy-storage travelling wave tube (11).
4. colliery as claimed in claim 1 high-tension line cable head fault early warning system is characterized in that described headend (20) has the antenna of two different frequencies.
5. colliery as claimed in claim 1 high-tension line cable head fault early warning system is characterized in that, described headend (20) adopts the power supply of deciding of solar energy or wind energy (22), and built-in charging accumulator (21) is supplied power as calm or overcast and rainy reserve.
6. colliery as claimed in claim 1 high-tension line cable head fault early warning system is characterized in that the operation bare machine of described monitoring host computer (30) must be connected on the internet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200206114U CN202202897U (en) | 2011-01-24 | 2011-01-24 | Coal mine high-voltage line cable head failure pre-alarming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200206114U CN202202897U (en) | 2011-01-24 | 2011-01-24 | Coal mine high-voltage line cable head failure pre-alarming system |
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| Publication Number | Publication Date |
|---|---|
| CN202202897U true CN202202897U (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200206114U Expired - Fee Related CN202202897U (en) | 2011-01-24 | 2011-01-24 | Coal mine high-voltage line cable head failure pre-alarming system |
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| CN (1) | CN202202897U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104737028A (en) * | 2012-11-07 | 2015-06-24 | 伊顿公司 | Electrical joint monitoring device and system |
| CN105842565A (en) * | 2016-05-16 | 2016-08-10 | 上海欧忆智能网络有限公司 | Electrical apparatus heat fault on-line monitoring system and device |
| CN106370917A (en) * | 2016-11-02 | 2017-02-01 | 华电北瑞电气(北京)有限公司 | Intelligent detection system and method for current temperature signal |
-
2011
- 2011-01-24 CN CN2011200206114U patent/CN202202897U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104737028A (en) * | 2012-11-07 | 2015-06-24 | 伊顿公司 | Electrical joint monitoring device and system |
| CN105842565A (en) * | 2016-05-16 | 2016-08-10 | 上海欧忆智能网络有限公司 | Electrical apparatus heat fault on-line monitoring system and device |
| CN106370917A (en) * | 2016-11-02 | 2017-02-01 | 华电北瑞电气(北京)有限公司 | Intelligent detection system and method for current temperature signal |
| CN106370917B (en) * | 2016-11-02 | 2024-05-10 | 华电北瑞电气(北京)有限公司 | Intelligent detection system and method for current temperature signal |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20130124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |