CN104464933A - High-voltage transmission power cable - Google Patents
High-voltage transmission power cable Download PDFInfo
- Publication number
- CN104464933A CN104464933A CN201410755551.9A CN201410755551A CN104464933A CN 104464933 A CN104464933 A CN 104464933A CN 201410755551 A CN201410755551 A CN 201410755551A CN 104464933 A CN104464933 A CN 104464933A
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- CN
- China
- Prior art keywords
- resistance
- wire
- core
- unit
- power cable
- 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.)
- Granted
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 239000011241 protective layer Substances 0.000 claims description 22
- 230000004888 barrier function Effects 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/328—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising violation sensing means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a high-voltage transmission power cable. The high-voltage transmission power cable comprises a first cable core, a second cable core, a first insulating layer, a second insulating layer, a shielding layer and a protecting layer. The section of the first cable core is annular, and the section of the second cable core is round. The second cable core is arranged in the first cable core. The first insulating layer is arranged between the first cable core and the second cable core. The second insulating layer, the shielding layer and the protecting layer are sequentially arranged outside the second cable core from inside to outside. The high-voltage transmission power cable further comprises a first wire, a second wire and a third wire. The external diameters of the first wire, the second wire and the third wire are tangent in pairs. The first wire, the second wire and the third wire are arranged in the protecting layer and parallel to the cable cores respectively. By the adoption of the high-voltage transmission power cable, a theft place can be immediately known the moment a thief steals the protecting layer of the power cable.
Description
Technical field
The present invention relates to a kind of high voltage power transmission power cable, belong to high voltage power transmission technical field.
Background technology
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 and the cable product distributing high-power power in the basic routing line of electric power system, comprising 1-500KV and above various electric pressure, and the power cable of various insulation.
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 cause 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.
By above description, can find just can find at once when theft power cable overcoat for robber and the place navigating to theft is the problem highly studied.
Existing single-core power cables all only has a core, once there is power cable breaking problem, is difficult to search, and because open circuit trouble-shoots is cumbersome, large area user therefore can be caused to have a power failure.
Summary of the invention
The technical problem to be solved in the present invention is: first, robber is difficult to be found when stealing the overcoat of high voltage power transmission power cable, leave very large potential safety hazard to transmission line, just can't find theft place at once when robber steals high voltage power transmission power cable overcoat at present.The second, existing single-core power cables all only has a core, once there is power cable breaking problem, is difficult to search, and because open circuit trouble-shoots is cumbersome, large area user therefore can be caused to have a power failure.
In order to realize solving above technical problem, the technical solution adopted in the present invention is: high voltage power transmission power cable, is characterized in that, comprises the first core, the second core, the first insulating barrier, the second insulating barrier, screen, protective layer; The first described core cross section is annular, and the second described core cross section is rounded; The second described core is arranged at First Line core inner; First insulating barrier is set between the first core and the second core; The outside of the second core sets gradually the second insulating barrier, screen, protective layer from inside to outside;
Also comprise the first wire, the second wire, privates; The external diameter of the first described wire, the second wire, privates is tangent between two; The first described wire, the second wire, privates are arranged in protective layer; The first described wire, the second wire, privates are parallel with core respectively;
Also comprise the first resistance, the second resistance, the 3rd resistance, an AD unit, the 2nd AD unit, the 3rd AD unit, controller, display unit, alarm unit, the first DC power supply, the second DC power supply;
The left end of the first described wire is electrically connected one end of the first resistance, the other end of the first resistance is electrically connected the positive terminals of the first DC power supply, the negative terminals of the first DC power supply are electrically connected one end of the second resistance, and the other end of the second resistance is electrically connected the left end of the second wire;
The negative terminals of the first DC power supply are electrically connected the positive terminals of the second DC power supply simultaneously; One end of negative terminals electrical connection the 3rd resistance of the second DC power supply, the left end of the other end electrical connection privates of the 3rd resistance;
The right-hand member of the first described wire, the second wire, privates does not contact each other, and is provided with insulation protective jacket;
The voltage signal at the first resistance two ends is input to controller by the one AD unit;
The voltage signal at the second resistance two ends is input to controller by the 2nd AD unit;
The voltage signal at the 3rd resistance two ends is input to controller by the 3rd AD unit;
The input of display unit is connected with the display output port of controller;
The input of alarm unit is connected with the alarm signal output ends mouth of controller.
Further, the resistance of the first described resistance, the second resistance and the 3rd resistance is equal.
Further, the resistance of the first described resistance, the second resistance and the 3rd resistance is 1 ohm.
Further, the external diameter of the first described wire, the second wire and privates is equal, and thickness of insulating layer is all less than 3mm.
Further, the thickness of insulating layer of the first described wire, the second wire and privates is 1mm.
Further, the first described DC power supply is equal with the voltage of the second DC power supply, thus is convenient to analytical calculation theft point.
Further, described controller adopts AT89S52 chip microcontroller.
Further, described display unit adopts LCD1864 display screen, and the theft of being calculated by controller point shows.
Further, described alarm unit adopts buzzer warning.Robber can be had at theft power cable like this by sound prompting.
Further, a described AD unit, the 2nd AD unit, the 3rd AD unit all adopt ADC0809 chip.
Compared with prior art, the invention has the advantages that: high voltage power transmission power cable provided by the invention, when the place just immediately can knowing theft that time that robber steals power cable overcoat, effectively protect the safety of transmission line; Meanwhile, because robber wants to steal core, first must destroying protective layer, so power cable of the present invention also effectively prevent robber steal power cable core, and not consuming electric energy when not yet forming closed-loop path.Meanwhile, the core of single-core power cables of the present invention is hollow, is provided with again core for subsequent use in hollow cavity, once there is power cable breaking problem, can adopt core for subsequent use, would not occur large-area power-cuts problem like this.
Accompanying drawing explanation
Fig. 1 is the structural representation of high voltage power transmission power cable of the present invention.
Wherein, 1 is core; 2 is insulating barriers; 3 is screens; 4 is protective layers.
Fig. 2 is three tangent schematic diagrames of wire in protective layer.
Wherein, 5 is first wires; 6 is second wires; 7 is privates; 8 is protective layers.
Fig. 3 is the theft point Real-Time Monitoring circuit theory schematic diagram that the present invention relates to.
Embodiment
Below in conjunction with accompanying drawing, invention is described in further detail.
With reference to Fig. 1,2,3, high voltage power transmission power cable, comprises the first core, the second core, the first insulating barrier, the second insulating barrier, screen, protective layer; The first described core cross section is annular, and the second described core cross section is rounded; The second described core is arranged at First Line core inner; First insulating barrier is set between the first core and the second core; The outside of the second core sets gradually the second insulating barrier, screen, protective layer from inside to outside; Also comprise the first wire, the second wire, privates; The external diameter of the first described wire, the second wire, privates is tangent between two; The first described wire, the second wire, privates are arranged in protective layer; The first described wire, the second wire, privates are parallel with core respectively; Also comprise the first resistance, the second resistance, the 3rd resistance, an AD unit, the 2nd AD unit, the 3rd AD unit, controller, display unit, alarm unit, the first DC power supply, the second DC power supply; The left end of the first described wire is electrically connected one end of the first resistance, the other end of the first resistance is electrically connected the positive terminals of the first DC power supply, the negative terminals of the first DC power supply are electrically connected one end of the second resistance, and the other end of the second resistance is electrically connected the left end of the second wire; The negative terminals of the first DC power supply are electrically connected the positive terminals of the second DC power supply simultaneously; One end of negative terminals electrical connection the 3rd resistance of the second DC power supply, the left end of the other end electrical connection privates of the 3rd resistance; The right-hand member of the first described wire, the second wire, privates does not contact each other, and is provided with insulation protective jacket; The voltage signal at the first resistance two ends is input to controller by the one AD unit; The voltage signal at the second resistance two ends is input to controller by the 2nd AD unit; The voltage signal at the 3rd resistance two ends is input to controller by the 3rd AD unit; The input of display unit is connected with the display output port of controller; The input of alarm unit is connected with the alarm signal output ends mouth of controller.
Wherein, described controller adopts AT89S52 chip microcontroller.Described display unit adopts LCD1864 display screen, and described alarm unit adopts buzzer warning, can have robber at theft power cable like this, and shown by LCD1864 display screen in the theft place of calculating by sound prompting.A described AD unit, the 2nd AD unit, the 3rd AD unit all adopt ADC0809 chip.
Wherein, the external diameter of the first described wire, the second wire and privates is 3cm, and wherein the thickness of insulating layer of wire is 1mm.
In the present embodiment, the length of power cable is 2000 meters, so the first wire, the second wire, the length of privates is also just respectively 2000 meters, the first wire, the second wire, the resistance of privates is respectively 10 ohm, and the voltage of the first DC power supply and the second DC power supply all selects 30V, the first resistance, second resistance, 3rd resistance is 1 ohm, thus ensure that the first resistance, the second resistance, the voltage at the 3rd resistance two ends can not more than 5V, and such AD unit could normal work.
The present invention can realize the principle stealing some Real-Time Monitoring: no matter robber steals the core of power cable, or (overcoat comprises insulating barrier to the overcoat of theft power cable, screen and protective layer), so all need first to destroy protective layer, because protective layer is durable, generally be not easy to destroy, therefore robber must adopt metal shear to cut off protective layer, and inside protective layer, be provided with the first wire, second wire, privates, due to the first wire, second wire, the external diameter of privates is tangent between two and the insulating barrier of wire is all very thin, in time adopting scissors to cut off protective layer, be bound to the first wire, second wire, privates is also cut off, exactly at scissors by the first wire, second wire, privates is cut off at that moment, first wire, second wire, the conductor of privates inside is connected to one piece by metal shear, the conductor at least having two wires can be electrically connected by metal shear, also the conductor of possibility three wires all can be electrically connected by metal shear.
At this time, the circuit in the present invention just defines closed-loop path, is likely that the first wire and the second wire form closed-loop path, is also likely that the second wire and privates form closed-loop path, also likely forms two closed-loop paths simultaneously.Once controller detects the first resistance, the second resistance or the 3rd resistance two ends have voltage just can judge have robber to steal power cable.
If just the first wire and the second wire define closed-loop path;
First, by the voltage at the first resistance two ends divided by the resistance of the first resistance, the electric current of closed-loop path is obtained;
Secondly, the voltage of the first DC power supply is divided by the electric current of closed-loop path, and calculated the all-in resistance of closed-loop path, all-in resistance deducts the resistance of the first resistance and the second resistance, namely obtains the total resistance value of the first wire and the second wire;
Finally, by formula R=ρ L/S, thus calculate theft place.(ρ and S is known parameters).
Claims (10)
1. high voltage power transmission power cable, is characterized in that, comprises the first core, the second core, the first insulating barrier, the second insulating barrier, screen, protective layer; The first described core cross section is annular, and the second described core cross section is rounded; The second described core is arranged at First Line core inner; First insulating barrier is set between the first core and the second core; The outside of the second core sets gradually the second insulating barrier, screen, protective layer from inside to outside;
Also comprise the first wire, the second wire, privates; The external diameter of the first described wire, the second wire, privates is tangent between two; The first described wire, the second wire, privates are arranged in protective layer; The first described wire, the second wire, privates are parallel with core respectively;
Also comprise the first resistance, the second resistance, the 3rd resistance, an AD unit, the 2nd AD unit, the 3rd AD unit, controller, display unit, alarm unit, the first DC power supply, the second DC power supply;
The left end of the first described wire is electrically connected one end of the first resistance, the other end of the first resistance is electrically connected the positive terminals of the first DC power supply, the negative terminals of the first DC power supply are electrically connected one end of the second resistance, and the other end of the second resistance is electrically connected the left end of the second wire;
The negative terminals of the first DC power supply are electrically connected the positive terminals of the second DC power supply simultaneously; One end of negative terminals electrical connection the 3rd resistance of the second DC power supply, the left end of the other end electrical connection privates of the 3rd resistance;
The right-hand member of the first described wire, the second wire, privates does not contact each other, and is provided with insulation protective jacket;
The voltage signal at the first resistance two ends is input to controller by the one AD unit;
The voltage signal at the second resistance two ends is input to controller by the 2nd AD unit;
The voltage signal at the 3rd resistance two ends is input to controller by the 3rd AD unit;
The input of display unit is connected with the display output port of controller;
The input of alarm unit is connected with the alarm signal output ends mouth of controller.
2. high voltage power transmission power cable according to claim 1, is characterized in that, the resistance of the first described resistance, the second resistance and the 3rd resistance is equal.
3. high voltage power transmission power cable according to claim 2, is characterized in that, the resistance of the first described resistance, the second resistance and the 3rd resistance is 1 ohm.
4. high voltage power transmission power cable according to claim 1, is characterized in that, the external diameter of the first described wire, the second wire and privates is equal, and thickness of insulating layer is all less than 3mm.
5. high voltage power transmission power cable according to claim 4, is characterized in that, the thickness of insulating layer of the first described wire, the second wire and privates is 1mm.
6. high voltage power transmission power cable according to claim 1, is characterized in that, the first described DC power supply is equal with the voltage of the second DC power supply.
7. high voltage power transmission power cable according to claim 1, is characterized in that, described controller adopts AT89S52 chip microcontroller.
8. high voltage power transmission power cable according to claim 1, is characterized in that, described display unit adopts LCD1864 display screen.
9. high voltage power transmission power cable according to claim 1, is characterized in that, described alarm unit adopts buzzer warning.
10. high voltage power transmission power cable according to claim 1, is characterized in that, a described AD unit, the 2nd AD unit, the 3rd AD unit all adopt ADC0809 chip.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180586.3A CN105632632A (en) | 2014-12-10 | 2014-12-10 | Power cable for high-voltage power transmission |
| CN201610179854.XA CN105609190A (en) | 2014-12-10 | 2014-12-10 | High-voltage power transmission cable |
| CN201610178770.4A CN105845250A (en) | 2014-12-10 | 2014-12-10 | High-voltage power transmission cable |
| CN201610178846.3A CN105632631A (en) | 2014-12-10 | 2014-12-10 | High-voltage power transmission power cable |
| CN201410755551.9A CN104464933B (en) | 2014-12-10 | 2014-12-10 | High voltage power transmission power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410755551.9A CN104464933B (en) | 2014-12-10 | 2014-12-10 | High voltage power transmission power cable |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610178846.3A Division CN105632631A (en) | 2014-12-10 | 2014-12-10 | High-voltage power transmission power cable |
| CN201610180586.3A Division CN105632632A (en) | 2014-12-10 | 2014-12-10 | Power cable for high-voltage power transmission |
| CN201610178770.4A Division CN105845250A (en) | 2014-12-10 | 2014-12-10 | High-voltage power transmission cable |
| CN201610179854.XA Division CN105609190A (en) | 2014-12-10 | 2014-12-10 | High-voltage power transmission cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104464933A true CN104464933A (en) | 2015-03-25 |
| CN104464933B CN104464933B (en) | 2016-09-14 |
Family
ID=52910858
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610179854.XA Pending CN105609190A (en) | 2014-12-10 | 2014-12-10 | High-voltage power transmission cable |
| CN201610178770.4A Pending CN105845250A (en) | 2014-12-10 | 2014-12-10 | High-voltage power transmission cable |
| CN201410755551.9A Active CN104464933B (en) | 2014-12-10 | 2014-12-10 | High voltage power transmission power cable |
| CN201610178846.3A Pending CN105632631A (en) | 2014-12-10 | 2014-12-10 | High-voltage power transmission power cable |
| CN201610180586.3A Pending CN105632632A (en) | 2014-12-10 | 2014-12-10 | Power cable for high-voltage power transmission |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610179854.XA Pending CN105609190A (en) | 2014-12-10 | 2014-12-10 | High-voltage power transmission cable |
| CN201610178770.4A Pending CN105845250A (en) | 2014-12-10 | 2014-12-10 | High-voltage power transmission cable |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610178846.3A Pending CN105632631A (en) | 2014-12-10 | 2014-12-10 | High-voltage power transmission power cable |
| CN201610180586.3A Pending CN105632632A (en) | 2014-12-10 | 2014-12-10 | Power cable for high-voltage power transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN105609190A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104766671A (en) * | 2015-04-30 | 2015-07-08 | 国家电网公司 | Theftproof high-voltage transmission power cable for electric system |
| CN105590688A (en) * | 2015-12-30 | 2016-05-18 | 广安金侑达电业科技有限公司 | Cable with constant voltage power supply antitheft device |
| CN105609188A (en) * | 2015-12-30 | 2016-05-25 | 广安金侑达电业科技有限公司 | Grounded special waterproof anti-theft cable |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389344B (en) * | 2018-04-24 | 2019-09-17 | 贵州首为电线电缆有限公司 | Anti-theft type wire and cable |
| CN108765816A (en) * | 2018-05-08 | 2018-11-06 | 国网山东省电力公司青岛供电公司 | The anti-external force breaking plant of cable based on mobile communication |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258525Y (en) * | 1994-09-30 | 1997-07-30 | 吕杰 | Alarm rope lock |
| CN2277554Y (en) * | 1996-12-30 | 1998-04-01 | 上海摩恩电气有限公司 | Five-core power cable |
| CN201117323Y (en) * | 2007-08-29 | 2008-09-17 | 王世祥 | Anti-theft cable |
| CN101221834A (en) * | 2007-12-14 | 2008-07-16 | 吴江市盛信电缆有限责任公司 | Transverse connecting cable of railway slip road |
| JP4989693B2 (en) * | 2009-08-03 | 2012-08-01 | 日立電線株式会社 | cable |
| CN101989470A (en) * | 2009-08-06 | 2011-03-23 | 广东科能通用电气有限公司 | Anti-theft cable |
| CN201868142U (en) * | 2010-10-20 | 2011-06-15 | 申祥龙 | Burglar alarm power cable |
| WO2012058357A2 (en) * | 2010-10-27 | 2012-05-03 | Erico International Corporation | Anti-theft sensor system |
-
2014
- 2014-12-10 CN CN201610179854.XA patent/CN105609190A/en active Pending
- 2014-12-10 CN CN201610178770.4A patent/CN105845250A/en active Pending
- 2014-12-10 CN CN201410755551.9A patent/CN104464933B/en active Active
- 2014-12-10 CN CN201610178846.3A patent/CN105632631A/en active Pending
- 2014-12-10 CN CN201610180586.3A patent/CN105632632A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104766671A (en) * | 2015-04-30 | 2015-07-08 | 国家电网公司 | Theftproof high-voltage transmission power cable for electric system |
| CN105590688A (en) * | 2015-12-30 | 2016-05-18 | 广安金侑达电业科技有限公司 | Cable with constant voltage power supply antitheft device |
| CN105609188A (en) * | 2015-12-30 | 2016-05-25 | 广安金侑达电业科技有限公司 | Grounded special waterproof anti-theft cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105632631A (en) | 2016-06-01 |
| CN105609190A (en) | 2016-05-25 |
| CN105632632A (en) | 2016-06-01 |
| CN105845250A (en) | 2016-08-10 |
| CN104464933B (en) | 2016-09-14 |
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