CN201122456Y - High voltage power cable with embedded temperature-measuring optical fibre cable - Google Patents
High voltage power cable with embedded temperature-measuring optical fibre cable Download PDFInfo
- Publication number
- CN201122456Y CN201122456Y CNU2007201581483U CN200720158148U CN201122456Y CN 201122456 Y CN201122456 Y CN 201122456Y CN U2007201581483 U CNU2007201581483 U CN U2007201581483U CN 200720158148 U CN200720158148 U CN 200720158148U CN 201122456 Y CN201122456 Y CN 201122456Y
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- China
- Prior art keywords
- cable
- measuring optical
- temperature measuring
- layer
- optical cable
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- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a power cable, in particular to a power cable convenient for the internal temperature measurement. The power cable comprises an electric conductive wire core, and a semiconductive tape layer, a conductor shielding layer, an insulating layer, an insulating shielding layer, a buffering water-resisting layer, a welding corrugated aluminum sheath layer, an outer sheath layer and an electric conducting layer which are winded outside the electric conductive wire in sequence from inside to outside, and a temperature measuring optical cable arranged in the buffering water-resisting layer. During the running process of the cable of the utility model, the surface temperature in the cable length direction can be measured, the accuracy is high, and safe running of the circuit can be ensured effectively. In addition, the temperature measuring optical cable is positioned inside the power cable, the product is simpler and more practical, the laying cost is reduced, the reliability is high, and the power cable can be widely used for the power supply of high voltage and ultrahigh voltage cable lines.
Description
Technical field
The utility model relates to a kind of power cable, relates in particular to a kind of power cable of being convenient to measure internal temperature.
Background technology
Present employed high-tension cable (66kV-500kV) usually only can not be measured the actual temperature of cable operation by the power cable of design transmission one constant volume in running.The structure of high voltage power cable is made up of conductive copper wire core, insulating barrier, buffering water blocking layer, metallic sheath, outer jacket, conductive layer.Conductor wire core forms and presses circular by many annealed copper wires are stranded.The outside of conductor wire core extrudes conductor screen, insulation and insulation shielding, at wrapped buffer strip in the outside of insulation shielding or water blocking layer, again at the vertical alclad sheath in its outside, be welded into the circle of sealing with argon arc welding, carry out embossing simultaneously, last plastic sheath (PE or PVC) and the semi-conductive layer of extruding in the outside of corrugated aluminium sheath.Realize temperature survey, just need tighten by hand that labour intensity is big in the construction, and the accuracy of measuring system is had than mistake, has also increased operating expenses at optical cable of the artificial placement in the outside of cable when cable laying.
The utility model content
Effect of the present utility model can overcome above-mentioned defective, provides a kind of and can carry out electric energy transmitting safely, can measure the cable of the temperature of cable operation again in running in good time.
For achieving the above object, the utility model adopts following technical proposals: comprise conductor wire core, at the wrapped successively from inside to outside semiconductive belting layer in the conductor wire core outside, conductor shield, insulating barrier, insulation screen, buffering water blocking layer, welding corrugated aluminium sheath layer, external sheath layer and conductive layer, in the buffering water blocking layer, be provided with temperature measuring optical cable.
Conductor wire core is formed circle or many copper single lines is twisted into a watt shape in advance by the many stranded backs of pressing of copper single line, again with a watt formation cable composition cyclotomy shape conductor, coating one is the conductor shield of base-material in the outside of the semiconductive belting layer of conductor thread core with the polyolefin, and be that base-material is the crosslinked polyetylene insulated layer of crosslinking agent with the peroxide and is the insulation screen of base-material with the polyolefin with the low density polyethylene (LDPE), wrapped four layers of buffering water blocking layer that is composited by non-woven fabric of polyester fiber and high-absorbent material in the outside of insulation screen, the welding corrugated aluminium sheath of aluminium strip embossing after welding of making at buffering water blocking layer outside vertical bag one deck electrician aluminium again, last extrude one deck PE or PVC insulation level oversheath outside and be the conductive layer of base-material by polyolefin, when extruding, be coated with one deck pitch at welding corrugated aluminum sheath outermost heat.
Temperature measuring optical cable comprises sheath and is wrapped in sheath interior reinforcement and loose sleeve pipe, reinforcement is arranged on loose sleeve pipe periphery, be provided with optical fiber and optical fiber filling paste in the pine sleeve pipe, comprise 1-2 root temperature measuring optical cable in the every cable, temperature measuring optical cable is flat structure or circular configuration; Reinforcement adopts the annealed copper wire form, and its structure is that parallel placement is positioned at that loose sleeve pipe both sides are provided with two reinforcements or around loose one week of sleeve pipe multi reinforcements being set.The pine sleeve pipe is to be made by stainless steel tube or PBT material.
The utility model provides a kind of high voltage power cable with built-in temperature measuring optical cable, in the cable running, can measure the surface temperature on the cable length direction, and the accuracy height can guarantee the safe operation of circuit effectively.In addition temperature measuring optical cable is placed power cable inside, product is simple more, suitable, has reduced the expense of laying, and the reliability height, is widely used in the power supply of high pressure, extra-high-tension cable circuit.
Description of drawings
Below in conjunction with drawings and Examples structure of the present utility model is done explanation in further detail:
Fig. 1 is the cross-sectional structure schematic diagram of the utility model cable embodiment 1;
Fig. 2 is the cross sectional representation of the flat type optical cable among the utility model cable embodiment 1.
1, conductor wire core; 2, semiconductive belting layer; 3, conductor shield; 4, insulating barrier; 5, insulation screen; 6, temperature measuring optical cable; 7, buffering water blocking layer; 8, welding corrugated aluminium sheath; 9, oversheath; 10, conductive layer;
61, optical fiber; 62, optical fiber filling paste; 63, loose sleeve pipe; 64, reinforcement; 65, sheath.
Embodiment
With the high voltage power cable of built-in optical cable, the conveying rated voltage of this cable is 220kV, built-in temperature measuring optical cable 6; The conductor wire core 1 of power cable is the milliken conductor structure, at its wrapped two-layer semiconductive belting layer 2 in outside, disposable then conductor screen 3, insulating barrier 4, the insulation screen 5 of extruding; The thickness of conductor shield 3 is 2.0mm, and it is 24mm that insulating barrier 4 is made its thickness by the crosslinked polyethylene of ultra-clean, and the thickness of insulation shielding 5 is 1.5mm.Buffer water-blocking band 7 is wrapped in the outside of insulation screen 5, is that the zone of swelling that blocks water of 2.0mm is made by four layer thicknesses, and its composition is to add conductive carbon black and swelling agent is bonded in fiber material; Optical cable 6 is flat structure, and it comprises optical fiber 61, loose sleeve pipe 62, fills optical fiber filling paste 63 in loose sleeve pipe 62, and the reinforcement 64 that annealed copper wire is formed is placed on the both sides of loose sleeve pipe 62 then, extrudes sheath 65 jointly, and thickness is 0.5mm.Temperature measuring optical cable 6 is adopted wrapped technology mode, be wrapped in centre at buffer water-blocking band 7, again in the outside of buffer water-blocking band 7 vertical bag one layer thickness be 2.8mm be welded into the welding corrugated aluminium sheath layer 8 of aluminum pipe with argon arc welding, and, be coated with one deck pitch at welding corrugated aluminum sheath outermost heat through the embossing shaping.The last oversheath 9 of insulated type PVC plastics that two layer thicknesses are 5.0mm and the conductive layer 10 of 0.2mm of extruding simultaneously outside.
Claims (7)
1. high voltage power cable with built-in temperature measuring optical cable, comprise conductor wire core, at the wrapped successively from inside to outside semiconductive belting layer in the conductor wire core outside, conductor shield, insulating barrier, insulation screen, buffering water blocking layer, welding corrugated aluminium sheath layer, external sheath layer and conductive layer, it is characterized in that: in the buffering water blocking layer, be provided with temperature measuring optical cable.
2. the high voltage power cable with built-in temperature measuring optical cable according to claim 1, it is characterized in that temperature measuring optical cable comprises sheath and is wrapped in sheath interior reinforcement and loose sleeve pipe, reinforcement is arranged on loose sleeve pipe periphery, is provided with optical fiber and optical fiber filling paste in the loose sleeve pipe.
3. the high voltage power cable with built-in temperature measuring optical cable according to claim 2 is characterized in that temperature measuring optical cable is flat structure or circular configuration.
4. the high voltage power cable with built-in temperature measuring optical cable according to claim 2 is characterized in that reinforcement adopts the annealed copper wire form.
5. the high voltage power cable with built-in temperature measuring optical cable according to claim 1 is characterized in that comprising in the every cable 1-2 root temperature measuring optical cable.
6. the high voltage power cable with built-in temperature measuring optical cable according to claim 1 is characterized in that cushioning water blocking layer and is provided with four layers, and temperature measuring optical cable is arranged on the centre of buffering water blocking layer.
7. the high voltage power cable with built-in temperature measuring optical cable according to claim 1 is characterized in that being coated with one deck pitch at welding corrugated aluminum sheath outermost heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201581483U CN201122456Y (en) | 2007-11-30 | 2007-11-30 | High voltage power cable with embedded temperature-measuring optical fibre cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201581483U CN201122456Y (en) | 2007-11-30 | 2007-11-30 | High voltage power cable with embedded temperature-measuring optical fibre cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201122456Y true CN201122456Y (en) | 2008-09-24 |
Family
ID=40009692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201581483U Expired - Lifetime CN201122456Y (en) | 2007-11-30 | 2007-11-30 | High voltage power cable with embedded temperature-measuring optical fibre cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201122456Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074300A (en) * | 2011-03-07 | 2011-05-25 | 无锡市长城电线电缆有限公司 | 500kV extra-high voltage (EHV) power cable |
| CN102194546A (en) * | 2010-03-02 | 2011-09-21 | 上海欧忆智能网络有限公司 | Monophase electric optical fiber embedded power cable |
| CN102368404A (en) * | 2011-10-21 | 2012-03-07 | 乐星红旗电缆（湖北）有限公司 | Fiber composite high voltage power cable |
| CN102468008A (en) * | 2010-11-16 | 2012-05-23 | 杭州华新电力线缆有限公司 | Polyphase electric optical fiber composite power cable |
| CN103489523A (en) * | 2013-08-19 | 2014-01-01 | 广东电网公司电力科学研究院 | Photoelectric composite direct current submarine cable for +/- 160kV flexible power transmission |
| CN103489526A (en) * | 2013-09-16 | 2014-01-01 | 无锡市长城电线电缆有限公司 | Optical fiber composite aerial insulated cable |
| CN103824632A (en) * | 2014-02-14 | 2014-05-28 | 申环电缆科技有限公司 | Intelligent extra-high-voltage photoelectric composite cable with built-in optical fiber |
| CN106595900A (en) * | 2016-11-16 | 2017-04-26 | 国网山东省电力公司东营供电公司 | Extra-high-voltage cable fault monitoring system |
| US11788899B2 (en) | 2021-03-26 | 2023-10-17 | Airbus (Sas) | Apparatus and method for detection current imbalance |
-
2007
- 2007-11-30 CN CNU2007201581483U patent/CN201122456Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194546A (en) * | 2010-03-02 | 2011-09-21 | 上海欧忆智能网络有限公司 | Monophase electric optical fiber embedded power cable |
| CN102468008A (en) * | 2010-11-16 | 2012-05-23 | 杭州华新电力线缆有限公司 | Polyphase electric optical fiber composite power cable |
| CN102074300A (en) * | 2011-03-07 | 2011-05-25 | 无锡市长城电线电缆有限公司 | 500kV extra-high voltage (EHV) power cable |
| CN102368404A (en) * | 2011-10-21 | 2012-03-07 | 乐星红旗电缆（湖北）有限公司 | Fiber composite high voltage power cable |
| CN102368404B (en) * | 2011-10-21 | 2013-09-04 | 乐星红旗电缆（湖北）有限公司 | Fiber composite high voltage power cable |
| CN103489523A (en) * | 2013-08-19 | 2014-01-01 | 广东电网公司电力科学研究院 | Photoelectric composite direct current submarine cable for +/- 160kV flexible power transmission |
| CN103489526A (en) * | 2013-09-16 | 2014-01-01 | 无锡市长城电线电缆有限公司 | Optical fiber composite aerial insulated cable |
| CN103824632A (en) * | 2014-02-14 | 2014-05-28 | 申环电缆科技有限公司 | Intelligent extra-high-voltage photoelectric composite cable with built-in optical fiber |
| CN106595900A (en) * | 2016-11-16 | 2017-04-26 | 国网山东省电力公司东营供电公司 | Extra-high-voltage cable fault monitoring system |
| US11788899B2 (en) | 2021-03-26 | 2023-10-17 | Airbus (Sas) | Apparatus and method for detection current imbalance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080924 |