CN105070389A - Transmission cable with self-feedback fault location function - Google Patents
Transmission cable with self-feedback fault location function Download PDFInfo
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- CN105070389A CN105070389A CN201510490577.XA CN201510490577A CN105070389A CN 105070389 A CN105070389 A CN 105070389A CN 201510490577 A CN201510490577 A CN 201510490577A CN 105070389 A CN105070389 A CN 105070389A
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- transmission cable
- fault location
- power transmission
- location function
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Abstract
The invention discloses a transmission cable with a self-feedback fault location function and belongs to the field of transmission cables. The transmission cable is used for rapidly locating faults and comprises conductor, a feedback circuit, a support skeleton, an inflaming retarding layer, an armor layer and a waterproof layer. An insulation layer covers the outer surface of each of the conductors. A shielding layer covers each of the insulation layers. The support skeleton comprises a hollow cavity,support frames and arc-shaped frames. The feedback circuit is arranged in the hollow cavity. Each of the conductors is arranged in fillers of adjacent support frames. A buffering layer is arranged between the hollow cavity and the shielding layer of the outer layer of each of the conductors. The inflaming retarding layer is arranged on the outer sides of the arc-shaped frames of the support skeleton. The armor layer is arranged on the outer side of the inflaming retarding layer. The waterproof layer is arranged on the outer side of the armor layer. According to the invention, the situation that the cable is damaged can be timely fed back, so it is convenient for a constructor to change or maintain the damaged cable, and loss to residential and enterprise electricity consumption around is reduced.
Description
Technical field
The invention belongs to power transmission cable field, specifically, particularly relate to a kind of power transmission cable with self feed back fault location function.
Background technology
In the laying of transmission line, often need to use power transmission cable, but along with socioeconomic fast development, power transmission cable is changed by the direction of making somebody a mere figurehead to provided underground gradually, and some nonstandard construction behaviors often cause the cable being in underground state dug disconnected or damage in Process of Urban Development, if and report not only can cause residential electricity consumption difficulty on the way not in time, the pause of plant produced also can be caused, causes unnecessary economic loss.
Summary of the invention
The object of the present invention is to provide a kind of power transmission cable with self feed back fault location function, it can realize when power transmission cable is destroyed, in time situation is fed back to power department control room, to change the cable damaged or to keep in repair, reduce the loss that residential electricity consumption and business electrical are on the way caused.
For achieving the above object, the present invention is achieved by the following technical solutions:
The power transmission cable with self feed back fault location function described in the present invention, comprise conductor, optical fiber modulating device, feedback controller, described optical fiber modulating device and feedback controller are positioned at cable two ends interface position, also comprise feedback line, support frame, flame-retardant layer, armour, water blocking layer, the outer surface of wherein said conductor is coated with insulating barrier, insulating barrier is coated with screen, described support frame comprises cavity, supporting bracket and arc frame, described feedback line is arranged in cavity, in the filler of conductor between adjacent supporting bracket; Resilient coating is provided with between described cavity and the outer field screen of conductor; Described flame-retardant layer is arranged on outside the arc frame of support frame, is provided with armour in the outside of flame-retardant layer, and the outside of armour is provided with water blocking layer.
Say further, have rectangular channel in the flame-retardant layer described in the present invention, described rectangular channel is embedded with pressure sensor.
Say further, the feedback line described in the present invention comprises fibre circuit, pressure sensing circuit, feedback line, and described pressure sensor and pressure sensing connection, fibre circuit is connected with optical fiber modulating device, and feedback line is connected with feedback controller.
Say further, the filler described in the present invention is made up of the composition of following weight portion: high density polyethylene (HDPE) 25 ~ 35 parts, low density polyethylene (LDPE) 15 ~ 2 parts, vulcanizing agent 3 ~ 4 parts, 2 ~ 4 parts, age resistor, paraffin oil 10 ~ 15 parts, silicon dioxide 3 ~ 4 parts, talcum powder 1 ~ 2 part, stabilizer 2 ~ 5 parts.
Say further, the age resistor described in the present invention adopts antioxidant 4010NA, and described stabilizer adopts lead orthoplumbate.
Say further, the conductor described in the present invention is made up of steel wire wire and aluminum conductor, and aluminum conductor is twisted in steel wire wire.
Say further, the armour described in the present invention comprises zinc-coated wire, polypropylene rope, pitch, and wherein zinc-coated wire and polypropylene rope are woven into network structure, network structure is coated with pitch and forms integument.
Say further, the screen described in the present invention comprises inner covering, copper wire layer and aluminium foil layer, and described aluminium foil layer is arranged between copper wire layer and inner covering, and inner covering is between aluminium foil layer and insulating barrier, and described inner covering adopts crosslinked polyethylene band.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is by built-in fibre circuit, pressure sensing circuit and feedback line, accurately and timely cable status can be fed back to Electric control department, when power transmission cable is subject to outside destroy or because after self structure reason causes damage, can determine in time to damage position, reduce malfunction elimination required time, precise and high efficiency completes fault restoration quickly, reduces the impact and loss that cause transmission line on the way resident and factory's electricity consumption.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, water blocking layer; 2, armour; 3, flame-retardant layer; 4, rectangular channel; 5, arc frame; 6, screen; 7, insulating barrier; 8, conductor; 9, supporting bracket; 10, resilient coating; 11, fibre circuit; 12, pressure sensing circuit; 13, feedback line; 14, cavity; 15, filler.
Embodiment
Below in conjunction with drawings and Examples, the technical scheme described in the application is described further.
Embodiment 1: a kind of power transmission cable with self feed back fault location function, comprise conductor 8, optical fiber modulating device, feedback controller, described optical fiber modulating device and feedback controller are positioned at cable two ends interface position, also comprise feedback line, support frame, flame-retardant layer 3, armour 2, water blocking layer 1, the outer surface of wherein said conductor 8 is coated with insulating barrier 7, insulating barrier 7 is coated with screen 6, described support frame comprises cavity 14, supporting bracket 9 and arc frame 5, described feedback line is arranged in cavity 14, in the filler 15 of conductor 8 between adjacent supporting bracket 9, resilient coating 10 is provided with between described cavity 14 and the outer field screen 6 of conductor 8, described flame-retardant layer 3 is arranged on outside the arc frame 5 of support frame, is provided with armour 2 in the outside of flame-retardant layer 3, and the outside of armour 2 is provided with water blocking layer 1.
Embodiment 2: a kind of power transmission cable with self feed back fault location function, comprise conductor 8, optical fiber modulating device, feedback controller, described optical fiber modulating device and feedback controller are positioned at cable two ends interface position, also comprise feedback line, support frame, flame-retardant layer 3, armour 2, water blocking layer 1, the outer surface of wherein said conductor 8 is coated with insulating barrier 7, insulating barrier 7 is coated with screen 6, described support frame comprises cavity 14, supporting bracket 9 and arc frame 5, described feedback line is arranged in cavity 14, in the filler 15 of conductor 8 between adjacent supporting bracket 9, resilient coating 10 is provided with between described cavity 14 and the outer field screen 6 of conductor 8, described flame-retardant layer 3 is arranged on outside the arc frame 5 of support frame, is provided with armour 2 in the outside of flame-retardant layer 3, and the outside of armour 2 is provided with water blocking layer 1.Have rectangular channel 4 in described flame-retardant layer 3, described rectangular channel 4 is embedded with pressure sensor.Described feedback line comprises fibre circuit 11, pressure sensing circuit 12, feedback line 13, and described pressure sensor is connected with pressure sensing circuit 12, and fibre circuit 11 is connected with optical fiber modulating device, and feedback line 13 is connected with feedback controller.
Embodiment 3:: described filler 15 is made up of the composition of following weight portion: high density polyethylene (HDPE) 25 ~ 35 parts, low density polyethylene (LDPE) 15 ~ 2 parts, vulcanizing agent 3 ~ 4 parts, 2 ~ 4 parts, age resistor, paraffin oil 10 ~ 15 parts, silicon dioxide 3 ~ 4 parts, talcum powder 1 ~ 2 part, stabilizer 2 ~ 5 parts.Described age resistor adopts antioxidant 4010NA, and described stabilizer adopts lead orthoplumbate.Described conductor 8 is made up of steel wire wire and aluminum conductor, and aluminum conductor is twisted in steel wire wire.Described armour 2 comprises zinc-coated wire, polypropylene rope, pitch, and wherein zinc-coated wire and polypropylene rope are woven into network structure, network structure is coated with pitch and forms integument.Described screen 6 comprises inner covering, copper wire layer and aluminium foil layer, and described aluminium foil layer is arranged between copper wire layer and inner covering, and inner covering is between aluminium foil layer and insulating barrier 7, and described inner covering adopts crosslinked polyethylene band.The structure of remainder is identical with embodiment 2.
Fibre circuit 11 described in the present invention is connected with the optical fiber modulating device being positioned at cable interface position, pressure sensing circuit 12, feedback line 13 are connected with the feedback controller being positioned at cable interface position, these signal processing apparatus being positioned at cable interface position all can realize the amplification of signal and the filtering of signal noise, realize the uninterrupted transmission to cable signal.And each signal processing apparatus is equipped with ad-hoc location coding, when cable breaks down, the circuit of at least one group must be had not feed back to signal in fibre circuit 11, pressure sensing circuit 12, feedback line 13, the signal that these do not return can process by signal processing apparatus in time that be positioned at cable interface position like this, and ad-hoc location coding is sent in electric control system, electric control system is allocated personnel in time and is carried out the inspection of the scene of a crime, and processes in time.
The rectangular channel 4 being positioned at flame-retardant layer 3 is embedded with pressure sensor, pressure sensor can the force value of environment residing for Real-Time Monitoring cable, if there is unstable situation in force value, just can be fed back in the signal processing apparatus of cable interface position by pressure sensing circuit, if feedback signal exceeds normal range (NR), these signals together can be fed back to electric control system together with ad-hoc location coding by signal processing apparatus.
Fiber optic cables described in the present invention are except realizing except the monitoring of cable status, and the communication that can also realize between adjacent power supply department is interconnected, and carry out the multi-faceted connection realizing power supply department by the laying of cable.
Support frame described in the present invention is except realizing the protection to fibre circuit 11, pressure sensing circuit 12, feedback line 13; the interference between these communication lines and conductor 8 can also be isolated; the electromagnetic wave produced for preventing conductor 8, to the interference of communication line, is also provided with the screen 6 producing electromagnetic signal for shielded conductor 8 except being provided with insulating barrier 7 in the periphery of conductor 8.In the present invention, support frame adopts in the cable and point to be spaced, and according to the quantity of cable type reasonable layout support frame and interval, can ensure the normal work of communicating circuit in skeleton, also can ensure the bearing capacity that cable is enough during production.
Filler 15 is made up of the composition of following weight portion: high density polyethylene (HDPE) 25 ~ 35 parts, low density polyethylene (LDPE) 15 ~ 2 parts, vulcanizing agent 3 ~ 4 parts, 2 ~ 4 parts, age resistor, paraffin oil 10 ~ 15 parts, silicon dioxide 3 ~ 4 parts, talcum powder 1 ~ 2 part, stabilizer 2 ~ 5 parts.Described age resistor adopts antioxidant 4010NA, described stabilizer adopts lead orthoplumbate composition, this can under the prerequisite ensureing filler insulation property, realizes the requirement of filler for resistance insulation rate, high temperature resistant, resistance to water and anti-flammability, realizes the lifting of cable life.
Material used in water blocking layer 1 described in the present invention, armour 2, flame-retardant layer 3, be material used in existing cable design, but it is to be noted, cable required in the present invention must comprise these Rotating fields, but be not restricted to described Rotating fields to realize the cable applications of some particular location, so as material of the prior art, these Rotating fields material type used in the present invention, can't be related to.
Claims (8)
1. the power transmission cable with self feed back fault location function, comprise conductor (8), optical fiber modulating device, feedback controller, described optical fiber modulating device and feedback controller are positioned at cable two ends interface position, it is characterized in that: also comprise feedback line, support frame, flame-retardant layer (3), armour (2), water blocking layer (1), the outer surface of wherein said conductor (8) is coated with insulating barrier (7), insulating barrier (7) is coated with screen (6), described support frame comprises cavity (14), supporting bracket (9) and arc frame (5), described feedback line is arranged in cavity (14), conductor (8) is positioned at the filler (15) between adjacent supporting bracket (9), resilient coating (10) is provided with between described cavity (14) and screen (6), described flame-retardant layer (3) is arranged on arc frame (5) outside of support frame, and be provided with armour (2) in the outside of flame-retardant layer (3), the outside of armour (2) is provided with water blocking layer (1).
2. the power transmission cable with self feed back fault location function according to claim 1, is characterized in that: have rectangular channel (4) in described flame-retardant layer (3), and described rectangular channel (4) is embedded with pressure sensor.
3. the power transmission cable with self feed back fault location function according to claim 2, it is characterized in that: described feedback line comprises fibre circuit (11), pressure sensing circuit (12), feedback line (13), described pressure sensor is connected with pressure sensing circuit (12), fibre circuit (11) is connected with optical fiber modulating device, and feedback line (13) is connected with feedback controller.
4. the power transmission cable with self feed back fault location function according to claim 3, it is characterized in that: described filler (15) is made up of the composition of following weight portion: high density polyethylene (HDPE) 25 ~ 35 parts, low density polyethylene (LDPE) 15 ~ 2 parts, vulcanizing agent 3 ~ 4 parts, 2 ~ 4 parts, age resistor, paraffin oil 10 ~ 15 parts, silicon dioxide 3 ~ 4 parts, talcum powder 1 ~ 2 part, stabilizer 2 ~ 5 parts.
5. the power transmission cable with self feed back fault location function according to claim 4, is characterized in that: described age resistor adopts antioxidant 4010NA, and described stabilizer adopts lead orthoplumbate.
6. the power transmission cable with self feed back fault location function according to claim 5, is characterized in that: described conductor (8) is made up of steel wire wire and aluminum conductor, and aluminum conductor is twisted in steel wire wire.
7. the power transmission cable with self feed back fault location function according to claim 6, it is characterized in that: described armour (2) comprises zinc-coated wire, polypropylene rope, pitch, wherein zinc-coated wire and polypropylene rope are woven into network structure, network structure are coated with pitch and form integument.
8. the power transmission cable with self feed back fault location function according to claim 7, it is characterized in that: described screen (6) comprises inner covering, copper wire layer and aluminium foil layer, described aluminium foil layer is arranged between copper wire layer and inner covering, inner covering is positioned between aluminium foil layer and insulating barrier (7), and described inner covering adopts crosslinked polyethylene band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510490577.XA CN105070389B (en) | 2015-08-12 | 2015-08-12 | Power transmission cable with self feed back fault location function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510490577.XA CN105070389B (en) | 2015-08-12 | 2015-08-12 | Power transmission cable with self feed back fault location function |
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| Publication Number | Publication Date |
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| CN105070389A true CN105070389A (en) | 2015-11-18 |
| CN105070389B CN105070389B (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510490577.XA Expired - Fee Related CN105070389B (en) | 2015-08-12 | 2015-08-12 | Power transmission cable with self feed back fault location function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298044A (en) * | 2016-10-14 | 2017-01-04 | 张家港市新邦电力科技有限公司 | A kind of reinforced copper Baogang signal cable |
| CN106653198A (en) * | 2016-12-09 | 2017-05-10 | 晋源电气集团股份有限公司 | High-connectivity power cable |
| CN108109736A (en) * | 2018-01-08 | 2018-06-01 | 温州包鹿新材料有限公司 | A kind of flame-proof environmental protection formula cable |
Citations (7)
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| JPH05274927A (en) * | 1992-03-27 | 1993-10-22 | Sumitomo Electric Ind Ltd | Power cable having built-in optical fiber |
| CN202134228U (en) * | 2011-06-01 | 2012-02-01 | 江苏亨通线缆科技有限公司 | Skeleton type composite cable |
| CN104123985A (en) * | 2014-04-02 | 2014-10-29 | 安徽复兴电缆集团有限公司 | Extruding-resistant and bending-resistant complex cable |
| CN203966600U (en) * | 2014-07-01 | 2014-11-26 | 安徽太平洋电缆股份有限公司 | Anti-tampering waterproof tensile mine soft cable |
| CN204155636U (en) * | 2014-11-06 | 2015-02-11 | 浙江秦山电缆有限公司 | Constitutionally stable cable |
| CN104575808A (en) * | 2014-12-29 | 2015-04-29 | 上海南大集团有限公司 | Intelligent maintenance-free cable |
| CN104751997A (en) * | 2013-12-25 | 2015-07-01 | 江苏亨通线缆科技有限公司 | Marine high-frequency data transmission cable |
-
2015
- 2015-08-12 CN CN201510490577.XA patent/CN105070389B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05274927A (en) * | 1992-03-27 | 1993-10-22 | Sumitomo Electric Ind Ltd | Power cable having built-in optical fiber |
| CN202134228U (en) * | 2011-06-01 | 2012-02-01 | 江苏亨通线缆科技有限公司 | Skeleton type composite cable |
| CN104751997A (en) * | 2013-12-25 | 2015-07-01 | 江苏亨通线缆科技有限公司 | Marine high-frequency data transmission cable |
| CN104123985A (en) * | 2014-04-02 | 2014-10-29 | 安徽复兴电缆集团有限公司 | Extruding-resistant and bending-resistant complex cable |
| CN203966600U (en) * | 2014-07-01 | 2014-11-26 | 安徽太平洋电缆股份有限公司 | Anti-tampering waterproof tensile mine soft cable |
| CN204155636U (en) * | 2014-11-06 | 2015-02-11 | 浙江秦山电缆有限公司 | Constitutionally stable cable |
| CN104575808A (en) * | 2014-12-29 | 2015-04-29 | 上海南大集团有限公司 | Intelligent maintenance-free cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298044A (en) * | 2016-10-14 | 2017-01-04 | 张家港市新邦电力科技有限公司 | A kind of reinforced copper Baogang signal cable |
| CN106653198A (en) * | 2016-12-09 | 2017-05-10 | 晋源电气集团股份有限公司 | High-connectivity power cable |
| CN108109736A (en) * | 2018-01-08 | 2018-06-01 | 温州包鹿新材料有限公司 | A kind of flame-proof environmental protection formula cable |
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| Publication number | Publication date |
|---|---|
| CN105070389B (en) | 2016-10-12 |
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