CN104766662A - Antitheft high voltage transmission power cable for power supply system - Google Patents
Antitheft high voltage transmission power cable for power supply system Download PDFInfo
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- CN104766662A CN104766662A CN201510217648.9A CN201510217648A CN104766662A CN 104766662 A CN104766662 A CN 104766662A CN 201510217648 A CN201510217648 A CN 201510217648A CN 104766662 A CN104766662 A CN 104766662A
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Abstract
The invention discloses an antitheft high voltage transmission power cable for a power supply system. The antitheft high voltage transmission power cable comprises three cable cores, an insulation layer, a shielding layer and a protection layer. The three cable cores are tangent pairwise, and insulation and isolation layers are arranged between the cable cores. The insulation layer, the shielding layer and the protection layer are arranged outside the three cable cores in sequence. The outer portions of the three cable cores are fixed together through a fixing rope. A certain distance is kept among the insulation layer and the cable cores, and the cable cores and the insulation layer are fixed through a supporting support so that the cable cores cannot slide. A wire, a first direct-current power source, a second direct-current power source, a first current detection unit, a second current detection unit, a field controller unit, a first wireless communication unit, a second wireless communication unit and a far end controller unit are further included. The voltages of the two ends of the first direct-current power source are equal to the voltages of the two ends of the second direct-current power source. The antitheft high voltage transmission power cable effectively protects the safety of power transmission lines.
Description
Technical field
The present invention relates to a kind of anti-theft high-voltage transmission of electricity power cable, belong to high voltage power transmission technical field.
Background technology
Wires and cables industry is the second largest industry that China is only second to automobile industry, and product variety Service Efficiency and domestic market occupation rate are all more than 90%.Worldwide, the Chinese electric wire gross output value exceedes the U.S., becomes first electric wire producing country in the world.Along with Chinese wires and cables industry high speed development, creation of new enterprise quantity constantly rises, and industry overall technology level is largely increased.Along with the fast development of national economy, as the consumption of the aortal power cable of national economy and the scope of application increasing.Power cable is the cable for transmitting and distribute electric energy.Be usually used in Urban Underground electrical network, the lead line in power station, the in-line power of industrial and mining enterprises and cross river, excessively extra large submarine transmission line.In power circuit, the proportion shared by power cable increases just gradually.Power cable is in order to transmission with distribute the cable product of high-power power in the basic routing line of electric power system, comprising the power cable of 1-500KV and the various insulation of above various electric pressure.The basic structure of power cable is made up of core (conductor), insulating barrier, screen and protective layer four part.Core is the current-carrying part of power cable, is used for transmission of electric energy, is the major part of power cable.Insulating barrier is isolated from each other between core and the earth and out of phase core on electrically, and ensureing power delivery, is indispensable part in power cable structure.Screen, because the current ratio that electric power cable passes through is comparatively large, can produce magnetic field around electric current, in order to not affect other element, and can this electromagnetic-field-shielded in cable so add screen.The effect of protective layer is protection power cable from the intrusion of introduced contaminants and moisture, and prevents external force from directly damaging power cable.
Power cable can be divided into core and overcoat (overcoat refers to insulating barrier, screen and protective layer) two large divisions structure; be positioned at the core of innermost layer for electric energy transmitting; the overcoat be rolled in outside core has sandwich construction, realizes the functions such as shielding, insulation, anti-outside destroy respectively.At high pressure and above defeated, power distribution network; because voltage is higher, theft live electric cable often can cause thief's injures and deaths, therefore; it is not the copper material aiming at wire that present robber steals power circuit, has occurred the stolen event of a lot of 10kV power cable overcoat in this year.Because cable laying is hidden, and the anti-system of prison is not set, therefore cable shield is stolen does not cause power failure and being not easily found of short circuit accident, but leaves very large potential safety hazard.After some cable shield are stolen, although temporarily do not occur to have a power failure or personnel casualty accidents, but cable insulation degree of protection declines to a great extent, switching overvoltage, lightning overvoltage, harmonic wave overvoltage, personnel trample, damaged by rats all will trigger short circuit, a certain phase short circuit blast often causes many feeder lines short circuit simultaneously of laying in one ditch, cause large-area power-cuts, as can be seen here, robber has buried the serious potential safety hazard in many places to electric power system.Due to many overcoats stolen after cable be imbedded in underground, power department does not have the security situation of special monitoring of equipment cable so far, cannot learn that the overcoat of power cable is destroyed, thus can not adopt remedial measures in time, make the safety of electric power system and periphery personnel and environment be subject to serious threat.
Existing high-power three core power cable radiating effects are very poor, and how solving high-power electric cable dissipate heat problem is very valuable research topic.
By above description, can find just can know have theft being a problem highly studied at once when theft power cable overcoat for robber.
Summary of the invention
The technical problem to be solved in the present invention is: be difficult to be found when stealing the overcoat of high voltage power transmission power cable for current robber, leave very large potential safety hazard to transmission line, just can't know have theft to occur at once when robber steals anti-theft high-voltage transmission of electricity power cable overcoat at present.Existing high-power three core power cable radiating effects are poor.
In order to solve above technical problem, the technical solution adopted in the present invention is: electric power system anti-theft high-voltage is transmitted electricity power cable, comprises three cores, insulating barrier, screen, protective layers; Three cores are tangent between two, arrange dielectric isolation layer between core and core; The outside of three cores sets gradually insulating barrier, screen, protective layer; Three core outsides are fixed together by static line; Maintain a certain distance between insulating barrier and core, between core and insulating barrier, fixedly make core to slide by bracing frame;
Also comprise wire, the first DC power supply, the second DC power supply, the first current detecting unit, the second current detecting unit, field controller unit, the first wireless communication unit, the second wireless communication unit, remote controller unit, alarm unit, display unit; The voltage at the first DC power supply two ends equals the voltage at the second DC power supply two ends;
Described wire is arranged in protective layer, and the two ends of wire lay respectively at the two ends of described anti-theft high-voltage transmission of electricity power cable;
One end of wire is electrically connected the positive pole of the first DC power supply, and the negative electricity of the first DC power supply connects one end of the first current detecting unit, and the other end of the first current detecting unit is used for ground connection;
The other end of wire is electrically connected the positive pole of the second DC power supply, and the negative electricity of the second DC power supply connects one end of the second current detecting unit, and the other end of the second current detecting unit is used for ground connection;
The digital signal output end of the first current detecting unit is connected the IO port of field controller unit respectively with the digital signal output end of the second current detecting unit;
First wireless communication unit is electrically connected with field controller unit;
Second wireless communication unit is electrically connected with remote controller unit;
Field controller unit is by the first wireless communication unit, the second wireless communication unit and remote controller unit communication;
Alarm unit, display unit are electrically connected with remote controller unit respectively.
Further, described alarm unit adopts sound and light alarm.
Further, described display unit adopts LED display.
Further, the first current detecting unit, the second current detecting unit all adopt the digital DC table with digital output port.
Further, the first described wireless communication unit, the second wireless communication unit adopt GPRS module.
Further, field controller unit, remote controller unit all adopt ATmega16 single-chip microcomputer.
Compared with prior art, the invention has the advantages that: first, anti-theft high-voltage transmission of electricity power cable provided by the invention, that time of stealing power cable overcoat as robber just immediately can know have theft to occur, and protects the safety of transmission line effectively and timely; Meanwhile, because robber wants to steal core, first protective layer must be destroyed, so power cable of the present invention also effectively prevent robber steal power cable core.The second, the circuit of guarding portion of the present invention was do not consume electric energy before wire is not stolen.3rd, three core power cable radiating effects of the present invention are very good.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric power system anti-theft high-voltage of the present invention transmission of electricity power cable.
Fig. 2 is that the present invention steals an observation circuit principle schematic.
Wherein, 1 is core, and 2 is insulating barriers, and 3 is screens, and 4 is protective layers, and 5 is wires.
Embodiment
Below in conjunction with accompanying drawing, invention is described in further detail.
Specific embodiment 1: with reference to Fig. 1,2, a kind of anti-theft high-voltage transmission of electricity power cable, comprises three cores, insulating barrier, screen, protective layers; Three cores are tangent between two, arrange dielectric isolation layer between core and core; The outside of three cores sets gradually insulating barrier, screen, protective layer; Three core outsides are fixed together by static line; Maintain a certain distance between insulating barrier and core, between core and insulating barrier, fixedly make core to slide by bracing frame; Also comprise wire, the first DC power supply, the second DC power supply, the first current detecting unit, the second current detecting unit, field controller unit, the first wireless communication unit, the second wireless communication unit, remote controller unit, alarm unit, display unit; The voltage at the first DC power supply two ends equals the voltage at the second DC power supply two ends;
Described wire is arranged in protective layer, and the two ends of wire lay respectively at the two ends of described anti-theft high-voltage transmission of electricity power cable; One end of wire is electrically connected the positive pole of the first DC power supply, and the negative electricity of the first DC power supply connects one end of the first current detecting unit, and the other end of the first current detecting unit is used for ground connection; The other end of wire is electrically connected the positive pole of the second DC power supply, and the negative electricity of the second DC power supply connects one end of the second current detecting unit, and the other end of the second current detecting unit is used for ground connection; The digital signal output end of the first current detecting unit is connected the IO port of field controller unit respectively with the digital signal output end of the second current detecting unit; First wireless communication unit is electrically connected with field controller unit; Second wireless communication unit is electrically connected with remote controller unit; Field controller unit is by the first wireless communication unit, the second wireless communication unit and remote controller unit communication; Alarm unit, display unit are electrically connected with remote controller unit respectively.
Wherein, alarm unit adopts sound and light alarm.Display unit adopts LED display.First current detecting unit, the second current detecting unit all adopt the digital DC table with digital output port.First wireless communication unit, the second wireless communication unit adopt GPRS module.Field controller unit, remote controller unit all adopt ATmega16 single-chip microcomputer.
Specific embodiment 2: display unit, alarm unit, the second wireless communication unit and remote controller unit can adopt a smart mobile phone to realize.
The principle that the present invention can realize stealing some monitoring illustrates: no matter robber steals the core of power cable; or the overcoat (overcoat comprises insulating barrier, screen and protective layer) of theft power cable; so all need first to destroy protective layer, be bound to destroy wire once destroy protective layer.Two ends due to wire are all the positive pole of connection first DC power supply and the second DC power supply respectively, and the voltage of the first DC power supply and the second DC power supply is equal, so can not generation current in wire, once robber steals the words of power cable, first can cut off wire, wire is cut off in a flash at use metal scissors, be equivalent to cut off a little by metal scissors and human body grounding (because the protective layer of power cable generally have employed a lot of linen-cotton and elastomeric material etc., so be difficult to destroy, therefore robber must use metal shear, and metal scissors is generally naked function).At this time, originally the wire of generation current in a flash can generation current at this, and the sense of current is pointed to by the first DC power supply, the second DC power anode and cuts breakpoint direction.The moment of cutting off, first current detecting unit and the second current detecting unit all can detect electric current, after field controller unit inspection to wire generation current, distally controller unit sends alarm signal at once, after remote controller unit receives alarm signal, control alarm unit and send sound and light alarm.The wire of power cable protective layer inside of the present invention, is equivalent to ground connection in a flash what cut off, according to the voltage of the resistivity of wire, wire diameter and the electric current detected and DC power supply, can be easy to calculate the positional distance cut off a little.So the present invention not only can know the very first time have theft in generation, theft place can be calculated the very first time simultaneously.
Claims (6)
1. electric power system anti-theft high-voltage is transmitted electricity power cable, it is characterized in that, comprises three cores, insulating barrier, screen, protective layers; Three cores are tangent between two, arrange dielectric isolation layer between core and core; The outside of three cores sets gradually insulating barrier, screen, protective layer; Three core outsides are fixed together by static line; Maintain a certain distance between insulating barrier and core, between core and insulating barrier, fixedly make core to slide by bracing frame;
Also comprise wire, the first DC power supply, the second DC power supply, the first current detecting unit, the second current detecting unit, field controller unit, the first wireless communication unit, the second wireless communication unit, remote controller unit, alarm unit, display unit; The voltage at the first DC power supply two ends equals the voltage at the second DC power supply two ends;
Described wire is arranged in protective layer, and the two ends of wire lay respectively at the two ends of described anti-theft high-voltage transmission of electricity power cable;
One end of wire is electrically connected the positive pole of the first DC power supply, and the negative electricity of the first DC power supply connects one end of the first current detecting unit, and the other end of the first current detecting unit is used for ground connection;
The other end of wire is electrically connected the positive pole of the second DC power supply, and the negative electricity of the second DC power supply connects one end of the second current detecting unit, and the other end of the second current detecting unit is used for ground connection;
The digital signal output end of the first current detecting unit is connected the IO port of field controller unit respectively with the digital signal output end of the second current detecting unit;
First wireless communication unit is electrically connected with field controller unit;
Second wireless communication unit is electrically connected with remote controller unit;
Field controller unit is by the first wireless communication unit, the second wireless communication unit and remote controller unit communication;
Alarm unit, display unit are electrically connected with remote controller unit respectively.
2. electric power system anti-theft high-voltage according to claim 1 is transmitted electricity power cable, it is characterized in that, described alarm unit adopts sound and light alarm.
3. electric power system anti-theft high-voltage according to claim 1 is transmitted electricity power cable, it is characterized in that, described display unit adopts LED display.
4. electric power system anti-theft high-voltage according to claim 1 is transmitted electricity power cable, and it is characterized in that, the first current detecting unit, the second current detecting unit all adopt the digital DC table with digital output port.
5. electric power system anti-theft high-voltage according to claim 1 is transmitted electricity power cable, it is characterized in that, the first described wireless communication unit, the second wireless communication unit adopt GPRS module.
6. electric power system anti-theft high-voltage according to claim 1 is transmitted electricity power cable, and it is characterized in that, field controller unit, remote controller unit all adopt ATmega16 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510217648.9A CN104766662B (en) | 2015-04-30 | 2015-04-30 | Electric power system anti-theft high-voltage is transmitted electricity power cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510217648.9A CN104766662B (en) | 2015-04-30 | 2015-04-30 | Electric power system anti-theft high-voltage is transmitted electricity power cable |
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| CN104766662A true CN104766662A (en) | 2015-07-08 |
| CN104766662B CN104766662B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510217648.9A Expired - Fee Related CN104766662B (en) | 2015-04-30 | 2015-04-30 | Electric power system anti-theft high-voltage is transmitted electricity power cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161204A (en) * | 2015-08-11 | 2015-12-16 | 国家电网公司 | Theftproof high-voltage transmission power cable for electric system |
| CN108182995A (en) * | 2017-12-27 | 2018-06-19 | 宁波隆锐机械制造有限公司 | Power cord with earth leakage detection functions |
| CN108389344A (en) * | 2018-04-24 | 2018-08-10 | 贵州首为电线电缆有限公司 | Anti-theft type electric wire |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2247899Y (en) * | 1995-06-05 | 1997-02-19 | 淄博电器厂 | Communication cable theftproof positioning alarm device |
| CN201285577Y (en) * | 2008-09-02 | 2009-08-05 | 泉州万华科技有限公司 | Anti-theft alarm sub-machine system for road lamp electric cable |
| US20140112614A1 (en) * | 2012-10-23 | 2014-04-24 | Nexans | Electrical line for a motor vehicle |
| CN204537746U (en) * | 2015-04-30 | 2015-08-05 | 国家电网公司 | Electric power system anti-theft high-voltage is transmitted electricity power cable |
-
2015
- 2015-04-30 CN CN201510217648.9A patent/CN104766662B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2247899Y (en) * | 1995-06-05 | 1997-02-19 | 淄博电器厂 | Communication cable theftproof positioning alarm device |
| CN201285577Y (en) * | 2008-09-02 | 2009-08-05 | 泉州万华科技有限公司 | Anti-theft alarm sub-machine system for road lamp electric cable |
| US20140112614A1 (en) * | 2012-10-23 | 2014-04-24 | Nexans | Electrical line for a motor vehicle |
| CN204537746U (en) * | 2015-04-30 | 2015-08-05 | 国家电网公司 | Electric power system anti-theft high-voltage is transmitted electricity power cable |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161204A (en) * | 2015-08-11 | 2015-12-16 | 国家电网公司 | Theftproof high-voltage transmission power cable for electric system |
| CN105161204B (en) * | 2015-08-11 | 2017-03-01 | 国家电网公司 | Electric power system anti-theft high-voltage is transmitted electricity power cable |
| CN108182995A (en) * | 2017-12-27 | 2018-06-19 | 宁波隆锐机械制造有限公司 | Power cord with earth leakage detection functions |
| CN108389344A (en) * | 2018-04-24 | 2018-08-10 | 贵州首为电线电缆有限公司 | Anti-theft type electric wire |
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| CN104766662B (en) | 2017-03-08 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Geng Bin Inventor after: Zhang Zhijun Inventor after: Yan Jiafeng Inventor after: Liu Dening Inventor after: Liu Yi Inventor after: Lu Xiangyang Inventor before: Geng Bin Inventor before: Zhang Zhijun Inventor before: Yan Jiafeng |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161027 Address after: 224005 Yancheng City Jiefang South Road, Jiangsu, No. 189 Applicant after: Yancheng Power Supply Company of Jiangsu Electric Power Company Applicant after: Funing Power Supply Company of Jiangsu Electric Power Company Applicant after: FUNING HENGYUAN ELECTRICAL INDUSTRIAL CO., LTD. Applicant after: Jiangsu Electric Power Company Applicant after: State Grid Corporation of China Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Applicant before: State Grid Corporation of China Applicant before: Jiangsu Electric Power Company Applicant before: Funing Power Supply Company of Jiangsu Electric Power Company Applicant before: FUNING HENGYUAN ELECTRICAL INDUSTRIAL CO., LTD. |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20180430 |