CN104299717A - High-strength high-voltage transmission power cable - Google Patents
High-strength high-voltage transmission power cable Download PDFInfo
- Publication number
- CN104299717A CN104299717A CN201410610569.XA CN201410610569A CN104299717A CN 104299717 A CN104299717 A CN 104299717A CN 201410610569 A CN201410610569 A CN 201410610569A CN 104299717 A CN104299717 A CN 104299717A
- Authority
- CN
- China
- Prior art keywords
- switch
- conductor
- metal strip
- power cable
- protective layer
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 239000004020 conductor Substances 0.000 claims abstract description 104
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 239000011241 protective layer Substances 0.000 claims abstract description 37
- 239000000945 filler Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims description 42
- 239000002184 metal Substances 0.000 claims description 42
- 229910000838 Al alloy Inorganic materials 0.000 claims description 39
- 238000004891 communication Methods 0.000 claims description 23
- 230000004888 barrier function Effects 0.000 claims description 22
- 239000000956 alloy Substances 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- -1 cylindrical fixture Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 7
- 229910001182 Mo alloy Inorganic materials 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
- 229910052772 Samarium Inorganic materials 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 6
- CKAPSXZOOQJIBF-UHFFFAOYSA-N hexachlorobenzene Chemical compound ClC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl CKAPSXZOOQJIBF-UHFFFAOYSA-N 0.000 claims description 6
- 238000001192 hot extrusion Methods 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 239000011733 molybdenum Substances 0.000 claims description 6
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract 5
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
-
- 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
-
- 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
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
本发明公开了高强度高压输电电力电缆，包括3根导体、导体屏蔽层、绝缘层、保护层；导体屏蔽层设置在导体的外部，绝缘层设置在导体屏蔽层的外部，3根导体设置于保护层内；还包括圆柱形固定装置，圆柱形固定装置位于保护层内；所述的圆柱形固定装置的侧面等间距设置有3个圆弧形凹槽；所述的3根导体分别位于圆弧形凹槽；所述的导体、圆柱形固定装置、保护层之间形成的空腔填充绝缘填充物；还包括远端断点检测单元、N个终端断点检测单元；所述的N个终端断点检测单元等间距设置于高强度高压输电电力电缆线路上。本发明的电力电缆不会出现摩擦导致的短路问题；电力电缆一旦出现断路问题，可以很快判断出断路点，并且线芯硬度高，电阻率低。
The invention discloses a high-strength high-voltage transmission power cable, which comprises three conductors, a conductor shielding layer, an insulating layer and a protective layer; the conductor shielding layer is arranged outside the conductor, the insulating layer is arranged outside the conductor shielding layer, and the three conductors are arranged on the In the protective layer; also includes a cylindrical fixing device, the cylindrical fixing device is located in the protective layer; the side of the cylindrical fixing device is equidistantly provided with 3 arc-shaped grooves; the 3 conductors are respectively located in the circle arc-shaped groove; the cavity formed between the conductor, the cylindrical fixing device and the protective layer is filled with an insulating filler; it also includes a remote breakpoint detection unit and N terminal breakpoint detection units; the N pieces The terminal breakpoint detection units are equidistantly arranged on the high-strength and high-voltage transmission power cable lines. The power cable of the present invention does not have the problem of short circuit caused by friction; once the power cable has a problem of disconnection, the disconnection point can be quickly judged, and the core hardness is high and the resistivity is low.
Description
Technical field
The present invention relates to high voltage power transmission technical field, be specifically related to high-strength high-voltage transmission of electricity power cable.
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.
Existing three-phase electrical cable exists that a very large defect is exactly A phase, B phase, C phase conductor are all cylindrical, and between so each phase, easy sliding friction, of long duration, easily occurs short circuit between each phase.
Three-phase electrical cable also has a problem to be exactly, once there is open circuit problem, be very difficult to search trip point, thus can cause long-time large-area power-cuts phenomenon.
The core of existing power cable generally adopts aluminum alloy materials to prepare, and the hardness of aluminum alloy materials is not high enough, so just add other composition in aluminum alloy materials, hardness is improved, but resistivity can be caused significantly to rise.
Summary of the invention
, easily there is the phenomenon of sliding friction in the technical problem to be solved in the present invention: the first, of long duration having ground away once insulating barrier just there will be short circuit between the A phase of existing three-phase electrical cable, B phase, C phase; The second, power cable, once there is open circuit problem, is very difficult to search trip point, thus can cause long-time large-area power-cuts phenomenon.
3rd, the core of existing power cable generally adopts aluminum alloy materials to prepare, and the hardness of aluminum alloy materials is not high enough, so just add other composition in aluminum alloy materials, hardness is improved, but resistivity can be caused significantly to rise.
In order to solve above technical problem, technical scheme of the present invention is as follows:
High-strength high-voltage transmission of electricity power cable, comprises 3 conductors, conductor shield, insulating barrier, protective layers; Conductor shield is arranged on the outside of conductor, and insulating barrier is arranged on the outside of conductor shield, and 3 conductors are arranged in protective layer; It is characterized in that, also comprise cylindrical fixture, cylindrical fixture is positioned at protective layer; The side spaced set of described cylindrical fixture has 3 circular grooves; 3 described conductors lay respectively at circular groove; The cavity formed between described conductor, cylindrical fixture, protective layer fills insulation filler;
Also comprise far-end breaking point detection unit, N number of terminal breaking point detection unit; Described N number of terminal breaking point detection unit spaced set is on high-strength high-voltage transmission of electricity power cable line; N >=2;
Wherein, N number of terminal breaking point detection unit is from left end to right-hand member successively called after: the 1st terminal breaking point detection unit, the i-th terminal breaking point detection unit, N terminal breaking point detection unit; 1≤i≤N;
Described far-end breaking point detection unit comprises master controller unit, total wireless communication unit, keyboard unit, display unit; Total wireless communication unit, keyboard unit, display unit are connected with the I/O port of master controller unit respectively;
Described terminal breaking point detection unit comprises 3 conductiving metal strips, the first switch, second switch, the 3rd switch, controller unit, wireless communication unit;
Wherein, 3 conductor called afters: the first conductor, the second conductor, the 3rd conductor; 3 conductiving metal strip called afters: the first conductiving metal strip, the second conductiving metal strip, the 3rd conductiving metal strip;
First conductiving metal strip is through conductor shield, insulating barrier, protective layer, and one end of the first conductiving metal strip is electrically connected the first conductor, and the other end is positioned at the outside of protective layer and is electrically connected one end of the first switch and one end of second switch simultaneously;
Second conductiving metal strip is through conductor shield, insulating barrier, protective layer, and one end of the second conductiving metal strip is electrically connected the second conductor, and the other end is positioned at the outside of protective layer and is electrically connected the other end of the first switch and one end of the 3rd switch simultaneously;
3rd conductiving metal strip is through conductor shield, insulating barrier, protective layer, and one end of the 3rd conductiving metal strip is electrically connected the 3rd conductor, and the other end is positioned at the outside of protective layer and is electrically connected the other end of second switch and the other end of the 3rd switch simultaneously;
The outer surface of the first described conductiving metal strip, the second conductiving metal strip, the 3rd conductiving metal strip is provided with insulating barrier;
First switch, second switch, the 3rd switch are all containing control end, and the control end of the first switch, second switch, the 3rd switch is connected with the I/O port of controller unit respectively;
Controller unit and master controller unit communication.
Wherein, described conductor adopts aluminum alloy materials to be prepared from, and the weight proportion of this aluminum alloy materials is as follows: aluminium: 1000 parts; Samarium: 11-14 part; Molybdenum: 3-6 part;
After above-mentioned weight proportion preparation aluminium alloy stock, first, smelting temperature is 830 DEG C, and through stirring, hexachloro-benzene refinery by de-gassing, use conticaster direct casting, direct casting becomes the aluminium alloy cast ingot of Φ 120mm;
Then, extruder is adopted to make the aluminium alloy rod of Φ 35mm 420 DEG C of hot extrusions;
Subsequently, the annealing in process of 50 hours is carried out at 420 DEG C;
Finally, adopt drawing machine by the drawing of 8 times, be prepared into the aluminium samarium molybdenum alloy wire of Φ 4mm.
The technical scheme be more preferably, described total wireless communication unit, wireless communication unit all adopt gprs communication module.
The technical scheme be more preferably, described display unit adopts numeral method.
The technical scheme be more preferably, described master controller unit and controller unit all adopt MSP430 single-chip microcomputer.
The technical scheme be more preferably, the first described switch, second switch, the 3rd switch all adopt relay.
The technical scheme be more preferably, the first described switch, second switch, the 3rd switch all adopt controlled thyristor.
Compared with prior art, beneficial effect of the present invention: the first, power cable A phase of the present invention, B phase, C fix firmly, do not contact each other, there will not be the phenomenon of sliding friction, therefore there will not be the short circuit problem rubbing and cause; The second, power cable, once there is open circuit problem, can judge trip point very soon, solves the long-time large-area power-cuts problem caused because of power cable breaking.
3rd, the core conductor of power cable of the present invention adopts aluminum alloy materials preparation, and while hardness improves, resistivity reduces on the contrary.
Accompanying drawing explanation
Fig. 1 is the structural representation of power cable of the present invention.
Wherein, 1 is conductor, and 2 is conductor shields, and 3 is insulating barriers, and 4 is cylindrical fixture, 5 protective layers.
Fig. 2 is the connection diagram of power cable switch sections of the present invention.
Fig. 3 is the principle block diagram of far-end breaking point detection unit of the present invention and terminal breaking point detection unit.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1: high-strength high-voltage transmission of electricity power cable, comprises 3 conductors, conductor shield, insulating barrier, protective layers; Conductor shield is arranged on the outside of conductor, and insulating barrier is arranged on the outside of conductor shield, and 3 conductors are arranged in protective layer; Also comprise cylindrical fixture, cylindrical fixture is positioned at protective layer; The side spaced set of described cylindrical fixture has 3 circular grooves; 3 described conductors lay respectively at circular groove; The cavity formed between described conductor, cylindrical fixture, protective layer fills insulation filler; Also comprise far-end breaking point detection unit, 6 terminal breaking point detection unit; 6 described terminal breaking point detection unit spaced sets are on high-strength high-voltage transmission of electricity power cable line;
Wherein, 6 terminal breaking point detection unit are from left end to right-hand member successively called after: the 1st terminal breaking point detection unit, the 2nd terminal breaking point detection unit, the 3rd terminal breaking point detection unit, the 4th terminal breaking point detection unit, the 5th terminal breaking point detection unit, the 6th terminal breaking point detection unit;
Described far-end breaking point detection unit comprises master controller unit, total wireless communication unit, keyboard unit, display unit; Total wireless communication unit, keyboard unit, display unit are connected with the I/O port of master controller unit respectively;
Described terminal breaking point detection unit comprises 3 conductiving metal strips, the first switch, second switch, the 3rd switch, controller unit, wireless communication unit;
Wherein, 3 conductor called afters: the first conductor, the second conductor, the 3rd conductor; 3 conductiving metal strip called afters: the first conductiving metal strip, the second conductiving metal strip, the 3rd conductiving metal strip;
First conductiving metal strip is through conductor shield, insulating barrier, protective layer, and one end of the first conductiving metal strip is electrically connected the first conductor, and the other end is positioned at the outside of protective layer and is electrically connected one end of the first switch and one end of second switch simultaneously;
Second conductiving metal strip is through conductor shield, insulating barrier, protective layer, and one end of the second conductiving metal strip is electrically connected the second conductor, and the other end is positioned at the outside of protective layer and is electrically connected the other end of the first switch and one end of the 3rd switch simultaneously;
3rd conductiving metal strip is through conductor shield, insulating barrier, protective layer, and one end of the 3rd conductiving metal strip is electrically connected the 3rd conductor, and the other end is positioned at the outside of protective layer and is electrically connected the other end of second switch and the other end of the 3rd switch simultaneously;
The outer surface of the first described conductiving metal strip, the second conductiving metal strip, the 3rd conductiving metal strip is provided with insulating barrier;
First switch, second switch, the 3rd switch are all containing control end, and the control end of the first switch, second switch, the 3rd switch is connected with the I/O port of controller unit respectively;
Controller unit is by wireless communication unit and master controller unit communication;
Wherein, described total wireless communication unit, wireless communication unit all adopt gprs communication module; Display unit adopts numeral method; Master controller unit and controller unit all adopt MSP430 single-chip microcomputer.First switch, second switch, the 3rd switch all adopt relay.
Wherein, described conductor adopts aluminum alloy materials to be prepared from, and the weight proportion of this aluminum alloy materials is as follows: aluminium: 1000 parts; Samarium: 11 parts; Molybdenum: 3 parts;
After above-mentioned weight proportion preparation aluminium alloy stock, first, smelting temperature is 830 DEG C, and through stirring, hexachloro-benzene refinery by de-gassing, use conticaster direct casting, direct casting becomes the aluminium alloy cast ingot of Φ 120mm;
Then, extruder is adopted to make the aluminium alloy rod of Φ 35mm 420 DEG C of hot extrusions;
Subsequently, the annealing in process of 50 hours is carried out at 420 DEG C;
Finally, adopt drawing machine by the drawing of 8 times, be prepared into the aluminium samarium molybdenum alloy wire of Φ 4mm.
Embodiment 2:
On the basis of embodiment 1, the first switch, second switch, the 3rd switch all adopt controlled thyristor.
Wherein, described conductor adopts aluminum alloy materials to be prepared from, and the weight proportion of this aluminum alloy materials is as follows: aluminium: 1000 parts; Samarium: 12 parts; Molybdenum: 4 parts;
After above-mentioned weight proportion preparation aluminium alloy stock, first, smelting temperature is 830 DEG C, and through stirring, hexachloro-benzene refinery by de-gassing, use conticaster direct casting, direct casting becomes the aluminium alloy cast ingot of Φ 120mm;
Then, extruder is adopted to make the aluminium alloy rod of Φ 35mm 420 DEG C of hot extrusions;
Subsequently, the annealing in process of 50 hours is carried out at 420 DEG C;
Finally, adopt drawing machine by the drawing of 8 times, be prepared into the aluminium samarium molybdenum alloy wire of Φ 4mm.
Embodiment 3:
Other and embodiment 1 are just the same, and wherein, described conductor adopts aluminum alloy materials to be prepared from, and the weight proportion of this aluminum alloy materials is as follows:
Aluminium: 1000 parts; Samarium: 13 parts; Molybdenum: 5 parts;
After above-mentioned weight proportion preparation aluminium alloy stock, first, smelting temperature is 830 DEG C, and through stirring, hexachloro-benzene refinery by de-gassing, use conticaster direct casting, direct casting becomes the aluminium alloy cast ingot of Φ 120mm;
Then, extruder is adopted to make the aluminium alloy rod of Φ 35mm 420 DEG C of hot extrusions;
Subsequently, the annealing in process of 50 hours is carried out at 420 DEG C;
Finally, adopt drawing machine by the drawing of 8 times, be prepared into the aluminium samarium molybdenum alloy wire of Φ 4mm.
Embodiment 4:
Other and embodiment 1 are just the same, and wherein, described conductor adopts aluminum alloy materials to be prepared from, and the weight proportion of this aluminum alloy materials is as follows:
Aluminium: 1000 parts; Samarium: 14 parts; Molybdenum: 6 parts;
After above-mentioned weight proportion preparation aluminium alloy stock, first, smelting temperature is 830 DEG C, and through stirring, hexachloro-benzene refinery by de-gassing, use conticaster direct casting, direct casting becomes the aluminium alloy cast ingot of Φ 120mm;
Then, extruder is adopted to make the aluminium alloy rod of Φ 35mm 420 DEG C of hot extrusions;
Subsequently, the annealing in process of 50 hours is carried out at 420 DEG C;
Finally, adopt drawing machine by the drawing of 8 times, be prepared into the aluminium samarium molybdenum alloy wire of Φ 4mm.
In above 4 embodiments, the changing value of resistivity and hardness is as shown in table 1:
Table 1:
Can find that aluminium alloy conductor hardness of the present invention obviously promotes by above table 1, resistivity reduces on the contrary, so the power cable conductor performance that aluminium alloy conductor of the present invention is made obviously promotes.
Power cable of the present invention is adopted to search the method for trip point as follows: to suppose that N is even number.
1) successively high-strength high-voltage is transmitted electricity the first conductor of power cable left end and the second conductor, the first conductor and the 3rd conductor, the second conductor and the 3rd conductor end apply 120V direct voltage, a series connection DC ammeter in circuit simultaneously;
2) closed and ON-and OFF-command by the controller transmit button of keyboard unit control master controller unit to N/2 terminal breaking point detection unit; When 120V direct voltage is applied to the end of the first conductor and the second conductor, the controller of N/2 terminal breaking point detection unit controls closed first switch, and interval controls disconnection first switch in 10 seconds; When 120V direct voltage is applied to the end of the first conductor and the 3rd conductor, the controller of N/2 terminal breaking point detection unit controls closed second switch, and interval controls to disconnect second switch for 10 seconds; When 120V direct voltage is applied to the end of the second conductor and the 3rd conductor, the controller of N/2 terminal breaking point detection unit controls closed 3rd switch, and interval controls disconnection the 3rd switch in 10 seconds;
3) if DC ammeter has reading entirely, the right side of trip point at N/2 terminal breaking point detection unit is described; If DC ammeter is not entirely have reading, the left side of trip point at N/2 terminal breaking point detection unit is described;
4) if trip point is on the right side of N/2 terminal breaking point detection unit, then closed and ON-and OFF-command by the controller transmit button of keyboard unit control master controller unit to N/2+1 terminal breaking point detection unit; When 120V direct voltage is applied to the end of the first conductor and the second conductor, the controller of N/2+1 terminal breaking point detection unit controls closed first switch, and interval controls disconnection first switch in 10 seconds; When 120V direct voltage is applied to the end of the first conductor and the 3rd conductor, the controller of N/2+1 terminal breaking point detection unit controls closed second switch, and interval controls to disconnect second switch for 10 seconds; When 120V direct voltage is applied to the end of the second conductor and the 3rd conductor, the controller of N/2+1 terminal breaking point detection unit controls closed 3rd switch, and interval controls disconnection the 3rd switch in 10 seconds;
If trip point is in the left side of N/2 terminal breaking point detection unit, then closed and ON-and OFF-command by the controller transmit button of keyboard unit control master controller unit to N/2-1 terminal breaking point detection unit; When 120V direct voltage is applied to the end of the first conductor and the second conductor, the controller of N/2-1 terminal breaking point detection unit controls closed first switch, and interval controls disconnection first switch in 10 seconds; When 120V direct voltage is applied to the end of the first conductor and the 3rd conductor, the controller of N/2-1 terminal breaking point detection unit controls closed second switch, and interval controls to disconnect second switch for 10 seconds; When 120V direct voltage is applied to the end of the second conductor and the 3rd conductor, the controller of N/2-1 terminal breaking point detection unit controls closed 3rd switch, and interval controls disconnection the 3rd switch in 10 seconds;
5) according to step 3) with step 4) method, until find the position of trip point;
6) if when the first switch and second switch close, DC ammeter does not all have reading, illustrate that trip point is at the first conductor; If when the first switch and the 3rd switch close, DC ammeter does not all have reading, illustrate that trip point is at the second conductor; If when second switch and the 3rd switch close, DC ammeter does not all have reading, illustrate that trip point is at the 3rd conductor, thus find out trip point and be positioned at which root conductor.
Claims (6)
1. high-strength high-voltage transmission of electricity power cable, comprises 3 conductors, conductor shield, insulating barrier, protective layers; Conductor shield is arranged on the outside of conductor, and insulating barrier is arranged on the outside of conductor shield, and 3 conductors are arranged in protective layer; It is characterized in that, also comprise cylindrical fixture, cylindrical fixture is positioned at protective layer; The side spaced set of described cylindrical fixture has 3 circular grooves; 3 described conductors lay respectively at circular groove; The cavity formed between described conductor, cylindrical fixture, protective layer fills insulation filler;
Also comprise far-end breaking point detection unit, N number of terminal breaking point detection unit; Described N number of terminal breaking point detection unit spaced set is on high-strength high-voltage transmission of electricity power cable line; N >=2;
Described far-end breaking point detection unit comprises master controller unit, total wireless communication unit, keyboard unit, display unit; Total wireless communication unit, keyboard unit, display unit are connected with the I/O port of master controller unit respectively;
Described terminal breaking point detection unit comprises 3 conductiving metal strips, the first switch, second switch, the 3rd switch, controller unit, wireless communication unit;
Wherein, 3 conductor called afters: the first conductor, the second conductor, the 3rd conductor; 3 conductiving metal strip called afters: the first conductiving metal strip, the second conductiving metal strip, the 3rd conductiving metal strip;
First conductiving metal strip is through conductor shield, insulating barrier, protective layer, and one end of the first conductiving metal strip is electrically connected the first conductor, and the other end is positioned at the outside of protective layer and is electrically connected one end of the first switch and one end of second switch simultaneously;
Second conductiving metal strip is through conductor shield, insulating barrier, protective layer, and one end of the second conductiving metal strip is electrically connected the second conductor, and the other end is positioned at the outside of protective layer and is electrically connected the other end of the first switch and one end of the 3rd switch simultaneously;
3rd conductiving metal strip is through conductor shield, insulating barrier, protective layer, and one end of the 3rd conductiving metal strip is electrically connected the 3rd conductor, and the other end is positioned at the outside of protective layer and is electrically connected the other end of second switch and the other end of the 3rd switch simultaneously;
The outer surface of the first described conductiving metal strip, the second conductiving metal strip, the 3rd conductiving metal strip is provided with insulating barrier;
First switch, second switch, the 3rd switch are all containing control end, and the control end of the first switch, second switch, the 3rd switch is connected with the I/O port of controller unit respectively;
Controller unit is by wireless communication unit and master controller unit communication;
Wherein, described conductor adopts aluminum alloy materials to be prepared from, and the weight proportion of this aluminum alloy materials is as follows: aluminium: 1000 parts; Samarium: 11-14 part; Molybdenum: 3-6 part;
After above-mentioned weight proportion preparation aluminium alloy stock, first, smelting temperature is 830 DEG C, and through stirring, hexachloro-benzene refinery by de-gassing, use conticaster direct casting, direct casting becomes the aluminium alloy cast ingot of Φ 120mm;
Then, extruder is adopted to make the aluminium alloy rod of Φ 35mm 420 DEG C of hot extrusions;
Subsequently, the annealing in process of 50 hours is carried out at 420 DEG C;
Finally, adopt drawing machine by the drawing of 8 times, be prepared into the aluminium samarium molybdenum alloy wire of Φ 4mm.
2. high-strength high-voltage transmission of electricity power cable according to claim 1, it is characterized in that, described total wireless communication unit, wireless communication unit all adopt gprs communication module.
3. high-strength high-voltage transmission of electricity power cable according to claim 1, it is characterized in that, described display unit adopts numeral method.
4. high-strength high-voltage transmission of electricity power cable according to claim 1, it is characterized in that, described master controller unit and controller unit all adopt MSP430 single-chip microcomputer.
5. high-strength high-voltage transmission of electricity power cable according to claim 1, it is characterized in that, the first described switch, second switch, the 3rd switch all adopt relay.
6. high-strength high-voltage transmission of electricity power cable according to claim 1, it is characterized in that, the first described switch, second switch, the 3rd switch all adopt controlled thyristor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410610569.XA CN104299717B (en) | 2014-11-03 | 2014-11-03 | High-strength high-voltage transmission of electricity power cable |
| CN201610204206.5A CN105609209A (en) | 2014-11-03 | 2014-11-03 | High-strength high voltage transmission power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410610569.XA CN104299717B (en) | 2014-11-03 | 2014-11-03 | High-strength high-voltage transmission of electricity power cable |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610204206.5A Division CN105609209A (en) | 2014-11-03 | 2014-11-03 | High-strength high voltage transmission power cable |
| CN201610201825.9A Division CN105761815A (en) | 2014-11-03 | 2014-11-03 | High strength high voltage transmission power cable |
| CN201610204533.0A Division CN105655051A (en) | 2014-11-03 | 2014-11-03 | High-strength high-voltage transmission power cable |
| CN201610203657.7A Division CN105761819A (en) | 2014-11-03 | 2014-11-03 | High-strength high-voltage transmission power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104299717A true CN104299717A (en) | 2015-01-21 |
| CN104299717B CN104299717B (en) | 2016-07-06 |
Family
ID=52319409
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610204206.5A Pending CN105609209A (en) | 2014-11-03 | 2014-11-03 | High-strength high voltage transmission power cable |
| CN201410610569.XA Expired - Fee Related CN104299717B (en) | 2014-11-03 | 2014-11-03 | High-strength high-voltage transmission of electricity power cable |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610204206.5A Pending CN105609209A (en) | 2014-11-03 | 2014-11-03 | High-strength high voltage transmission power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105609209A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI651910B (en) * | 2017-07-27 | 2019-02-21 | 胡龍江 | Safe high voltage transmission system and equivalent current transmission cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04347532A (en) * | 1991-05-27 | 1992-12-02 | Nissin Electric Co Ltd | Method and device for detecting disconnected section of distribution line |
| JPH0529988A (en) * | 1991-07-17 | 1993-02-05 | Nec Corp | System for locating submarine cable broken location |
| CN201607987U (en) * | 2009-11-06 | 2010-10-13 | 上海骥德技术经纪有限公司 | Breakpoint self-detection cable |
| CN202204905U (en) * | 2011-09-02 | 2012-04-25 | 湖南中泰特种装备有限责任公司 | Device for detecting breaking points of electric wires and electric cables |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8080761B2 (en) * | 2004-08-17 | 2011-12-20 | Lincoln Global, Inc. | Hybrid powered welder |
| CN101418401B (en) * | 2008-12-05 | 2010-09-08 | 北京工业大学 | A kind of Al-Er alloy wire material and preparation method thereof |
| CN201812025U (en) * | 2010-09-20 | 2011-04-27 | 中铁十二局集团有限公司 | Failure detection device for power transmission line |
| CN203826115U (en) * | 2014-02-27 | 2014-09-10 | 安徽江淮电缆集团有限公司 | Improved computer cable |
-
2014
- 2014-11-03 CN CN201610204206.5A patent/CN105609209A/en active Pending
- 2014-11-03 CN CN201410610569.XA patent/CN104299717B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04347532A (en) * | 1991-05-27 | 1992-12-02 | Nissin Electric Co Ltd | Method and device for detecting disconnected section of distribution line |
| JPH0529988A (en) * | 1991-07-17 | 1993-02-05 | Nec Corp | System for locating submarine cable broken location |
| CN201607987U (en) * | 2009-11-06 | 2010-10-13 | 上海骥德技术经纪有限公司 | Breakpoint self-detection cable |
| CN202204905U (en) * | 2011-09-02 | 2012-04-25 | 湖南中泰特种装备有限责任公司 | Device for detecting breaking points of electric wires and electric cables |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI651910B (en) * | 2017-07-27 | 2019-02-21 | 胡龍江 | Safe high voltage transmission system and equivalent current transmission cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104299717B (en) | 2016-07-06 |
| CN105609209A (en) | 2016-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203760204U (en) | Butyronitrile insulating low-smoke halogen-free power cable | |
| CN104299715B (en) | High intensity low-resistivity high voltage power transmission power cable | |
| CN104407247B (en) | Two determination method and apparatus of parallel direct-burried cabling current-carrying capacity | |
| CN104299717A (en) | High-strength high-voltage transmission power cable | |
| CN105761818A (en) | High-strength low-resistivity high-voltage transmission power cable | |
| CN203760117U (en) | Cable with tinned aluminum wires for armoring and butyronitrile for insulation | |
| CN104319003B (en) | A kind of high voltage power transmission power cable system | |
| CN203377016U (en) | Waterproof control cable | |
| CN103106980A (en) | High-strength power cable | |
| CN104319002A (en) | High-voltage power transmission power cable system | |
| CN104299716A (en) | High-voltage transmission power cable | |
| CN105761815A (en) | High strength high voltage transmission power cable | |
| CN105761819A (en) | High-strength high-voltage transmission power cable | |
| CN203260362U (en) | High-voltage and extra-high voltage flexible direct-current power transmission fiber composite extrusion insulation power cable | |
| CN105655051A (en) | High-strength high-voltage transmission power cable | |
| CN105761816A (en) | high voltage transmission power cable | |
| CN105761814A (en) | High voltage power transmission power cable system | |
| CN105761817A (en) | High voltage power transmission power cable system | |
| CN105761820A (en) | High-strength low-resistivity high-voltage transmission power cable | |
| CN105655049A (en) | High-voltage transmission power cable | |
| CN203721320U (en) | Metallurgy electric power environmental protection flexible cable | |
| CN203721322U (en) | Aviation polyester fiber armor shield cable | |
| CN204315276U (en) | Heat radiating type cable | |
| CN105655050A (en) | High-strength low-resistance-rate high-voltage transmission power cable | |
| CN206441575U (en) | Times capacity midium voltage cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Chuang Inventor after: Wang Ruihong Inventor after: Qiao Guangwei Inventor after: Zhao Zhongliang Inventor after: Sun Wenjun Inventor after: Wu Jie Inventor after: Sun Weichun Inventor after: Wang Xingwu Inventor after: Gong Linguo Inventor after: Chen Gang Inventor before: Liang Long |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160615 Address after: 261000 Weicheng, Shandong, Dongfeng District, No. West Street, No. 425 Applicant after: STATE GRID SHANDONG ELECTRIC POWER COMPANY WEIFANG POWER SUPPLY Co. Applicant after: State Grid Corporation of China Address before: 210000, Jiangsu, Jiangning Nanjing general road, 9, Le Jia, Zhu neighbors, 4 neighbors, unit 1, 102 Applicant before: Xie Anjun |
|
| 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: 20160706 Termination date: 20211103 |