CN105575533A - Heat-radiating oil-filled cable - Google Patents
Heat-radiating oil-filled cable Download PDFInfo
- Publication number
- CN105575533A CN105575533A CN201510531796.8A CN201510531796A CN105575533A CN 105575533 A CN105575533 A CN 105575533A CN 201510531796 A CN201510531796 A CN 201510531796A CN 105575533 A CN105575533 A CN 105575533A
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- China
- Prior art keywords
- radiating tube
- oil
- cable
- heat
- order end
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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.)
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Classifications
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- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
- Insulated Conductors (AREA)
Abstract
The invention relates to a heat-radiating oil-filled cable. The heat-radiating oil-filled cable comprises conductive wire cores, internal protective layers, an insulting oil layer and an external protective layer. The internal protective layers respectively wrap the external parts of all the conductive wire cores. All the conductive wire cores are twisted and coiled and then installed in the insulating oil layer. The insulating oil layer is externally wrapped by the external protective layer. A heat-radiating tube extending along the conductive wire cores is fixed on the external wall of the external protective layer. The heat-radiating tube comprises a hollow tube wall which is communicated with the insulating oil layer. The insulating oil layer and the hollow tube wall are internally filled with insulating oil. The two ends of the heat-radiating tube are exposed out of the ground and the two ends are different in height. The cable has a novel structure, can effectively prevent generation of air gaps in the cable, has a great heat radiation effect and can effectively reduce the probability of breakdown of the cable caused by overheating.
Description
Technical field
The present invention relates to a kind of cable, especially, is a kind of oil-filled cable.
Background technology
The similar rope of profile of cable, normally forms by organizing wire stranding more, and often organize mutually insulated between wire, and be often twisted into round a center, whole outside is surrounded by the cover layer of high-insulation; Multi rack is located at aerial or is contained in underground, the bottom, for telecommunication or electric power conveying; In order to ensure the normal, stable of cable work, be often filled with insulating oil in the cable, it can effectively eliminate the air gap produced because of load variations in insulating barrier, thus improves the work field intensity of cable; Due to the thermal effect of electric current, cable can produce amount of heat when long-time use, and this will make cable temperature raise, and too high temperature accelerates the aging of insulating barrier, so that insulating barrier is breakdown; Particularly during the broiling summer, cable more easily breaks down; Meanwhile, traditional oil-filled cable structure not science, insulation oil reservoir can hinder the heat spreader of cable inside; easily make cable accumulated inside amount of heat; further lifting cable temperature, accelerates the aging of cable covering, thus the probability that increase cable breaks down.
Summary of the invention
For the problems referred to above, the invention provides a kind of heat radiation oil-filled cable, this construction of cable is novel, effectively can prevent cable internal air gap from producing, have good radiating effect simultaneously, effectively can reduce cable because of overheated breakdown probability.
For solving the problem, the technical solution adopted in the present invention is: this heat radiation oil-filled cable includes wire stylet, inner protective layer, insulation oil reservoir and external protection; Described inner protective layer is wrapped in the outside of each described wire stylet respectively, is arranged in described insulation oil reservoir, has external protection in the outer wrap of described insulation oil reservoir after each described wire stylet screws up winding; The outer wall of described external protection is fixed with the radiating tube extended along described wire stylet, and described radiating tube includes hollow tube wall, and described hollow tube wall is connected with described insulation oil reservoir; Insulating oil is filled with in described insulation oil reservoir and described hollow tube wall; Basset in the two ends of described radiating tube and the height at two ends is different.
The invention has the beneficial effects as follows: basset in the two ends of radiating tube and the height at two ends is different, according to fluid mechanics, the port wind speed of high order end is comparatively large, and the air-flow therefore in radiating tube can flow out from high order end; Simultaneously because surface temperature is higher, low order end place air pressure is lower, and gas can be poured into from low order end; Therefore the radiating airflow flowing to high order end from low order end is had in radiating tube all the time; The operation principle of this radiating tube can analogy stack effect; The heat of insulating oil in hollow tube wall can be taken away by radiating airflow in the process flowed out from radiating tube, the insulating oil heat release therefore in hollow tube wall, cooling; Heat conduction in oil-filled cable is constantly lost to radiating tube by thermal convection effect by insulating oil, thus realizes the real-time heat radiation of oil-filled cable.
Compared to traditional oil-filled cable, heat abstractor is placed in Exterior cable by this heat radiation oil-filled cable, and the air breakdown of cable can not be caused to discharge, and therefore overall structure is safer; External protection is close to by radiating tube in the present invention, Stability Analysis of Structures and do not take larger volume, can not increase difficulty of construction; In addition, due to the oil storage space having hollow tube wall, when expanding with heat and contract with cold, insulating oil can be more timely, sufficient supplements in cable for cable, thus stop the generation of air gap further, improves the fail safe of cable further.
As preferably, the low order end of described radiating tube is placed in earth's surface, and high order end upwards extends and higher than low order end more than 15 meters; Low order end is positioned at earth's surface, and port temperature is higher, and high order end is positioned at overhead, and temperature is lower, so that make radiating tube two ends form larger draught head, thus promotes the flow at high speed of radiating airflow in radiating tube.
As further preferably, be separately installed with moistureproof net at described low order end and described high order end; So that obstruct rainwater, steam enter radiating tube, thus keep the drying in radiating tube.
As preferably, be equidistantly provided with the annular impeller coaxial with described radiating tube in described radiating tube, described annular impeller can relative to radiating tube around own axis; In the process that annular impeller rotates, described annular impeller and described radiating tube remain oil sealing state; The outer ring surface of described annular impeller is equidistantly fixed with moving tooth, the inner ring surface of described annular impeller is equidistantly fixed with guide vane.
Accompanying drawing explanation
Fig. 1 is the structural representation of this heat radiation oil-filled cable embodiment.
Fig. 2 is the end face structure for amplifying schematic diagram of middle cable embodiment illustrated in fig. 1.
Embodiment
Embodiment
In the embodiment shown in Fig. 1, Fig. 2, this heat radiation oil-filled cable includes wire stylet 1, inner protective layer 2, insulation oil reservoir 3 and external protection 4; Described inner protective layer 2 is wrapped in the outside of each described wire stylet 1 respectively, is arranged in described insulation oil reservoir 3, has external protection 4 in the outer wrap of described insulation oil reservoir 3 after each described wire stylet 1 screws up winding; The outer wall of described external protection 4 is fixed with the radiating tube 5 extended along described wire stylet 1, and described radiating tube 5 includes hollow tube wall 51, and described hollow tube wall 51 is connected with described insulation oil reservoir 3; Insulating oil is filled with in described insulation oil reservoir 3 and described hollow tube wall 51; Basset in the two ends of described radiating tube 5 and the height at two ends is different; The low order end 52 of described radiating tube 5 is placed in earth's surface, and high order end 53 upwards extends and higher than low order end 52 20 meters; Moistureproof net 54 is separately installed with at described low order end 52 and described high order end 53; In described radiating tube 5, be equidistantly provided with the annular impeller 6 coaxial with described radiating tube 5, described annular impeller 6 can relative to radiating tube 5 around own axis; In the process that annular impeller 6 rotates, described annular impeller 6 remains oil sealing state with described radiating tube 5; The outer ring surface of described annular impeller 6 is equidistantly fixed with moving tooth 61, the inner ring surface of described annular impeller 6 is equidistantly fixed with guide vane 62.
Basset in the two ends of radiating tube 5 and the height at two ends is different, and according to fluid mechanics, the port wind speed of high order end 53 is comparatively large, and the air-flow therefore in radiating tube 5 can flow out from high order end 53; Simultaneously because surface temperature is higher, low order end 52 place air pressure is lower, and gas can be poured into from low order end 52; Therefore the radiating airflow flowing to high order end 53 from low order end 52 is had all the time in radiating tube 5; The operation principle of this radiating tube 5 can analogy stack effect, and in the present embodiment, high order end 53 is higher than low order end 52 20 meters, therefore can produce swiftly flowing radiating airflow in radiating tube 5; The heat of insulating oil in hollow tube wall 51 can be taken away by radiating airflow in the process flowed out from radiating tube 5, promotes the insulating oil heat release in hollow tube wall 51, cooling; Heat conduction in oil-filled cable is constantly lost to radiating tube 5 by thermal convection effect by insulating oil, thus realizes the real-time heat radiation of oil-filled cable; In addition, swiftly flowing radiating airflow promotes described annular impeller 6 quick rotation, and the moving tooth 61 on annular impeller 6 outer ring surface constantly stirs the insulating oil in hollow tube wall 51, and then promotes the cold and hot exchange of insulating oil, accelerates the radiating effect of insulating oil.
The moistureproof net 54 being arranged on radiating tube 5 two ends in the present embodiment effectively can intercept rainwater and enter radiating tube 5, keeps the drying of radiating tube 5, thus extends the whole service life of cable.
Compared to traditional oil-filled cable, this heat radiation oil-filled cable utilizes stack effect effectively to improve the heat radiation of cable; Heat abstractor is placed in Exterior cable by the present invention, and the air breakdown of cable can not be caused to discharge, and reduce the probability of cable fire, therefore overall structure is safer; External protection 4 is close to by radiating tube 5 in the present invention, Stability Analysis of Structures and do not take larger volume, can not increase difficulty of construction; In addition, owing to adding the oil storage space of hollow tube wall 51, in load variations and when expanding with heat and contract with cold, insulating oil can be quicker, sufficient supplements into cable inside for cable, thus stop the generation of air gap further, improves the fail safe of cable further.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. dispel the heat an oil-filled cable, and this heat radiation oil-filled cable includes wire stylet (1), inner protective layer (2), insulation oil reservoir (3) and external protection (4); Described inner protective layer (2) is wrapped in the outside of each described wire stylet (1) respectively, is arranged in described insulation oil reservoir (3), has external protection (4) in the outer wrap of described insulation oil reservoir (3) after each described wire stylet (1) screws up winding; It is characterized in that: on the outer wall of described external protection (4), be fixed with the radiating tube (5) extended along described wire stylet (1), described radiating tube (5) includes hollow tube wall (51), and described hollow tube wall (51) is connected with described insulation oil reservoir (3); Insulating oil is filled with in described insulation oil reservoir (3) and described hollow tube wall (51); Basset in the two ends of described radiating tube (5) and the height at two ends is different.
2. heat radiation oil-filled cable according to claim 1, is characterized in that: the low order end (52) of described radiating tube (5) is placed in earth's surface, and high order end (53) upwards extends and higher than low order end more than (52) 15 meters.
3. heat radiation oil-filled cable according to claim 2, is characterized in that: be separately installed with moistureproof net (54) at described low order end (52) and described high order end (53).
4. heat radiation oil-filled cable as claimed in any of claims 1 to 3, it is characterized in that: in described radiating tube (5), be equidistantly provided with the annular impeller (6) coaxial with described radiating tube (5), described annular impeller (6) can relative to radiating tube (5) around own axis; In the process that annular impeller (6) rotates, described annular impeller (6) and described radiating tube (5) remain oil sealing state; The outer ring surface of described annular impeller (6) is equidistantly fixed with moving tooth (61), the inner ring surface of described annular impeller (6) is equidistantly fixed with guide vane (62).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459996.6A CN107068283B (en) | 2015-08-27 | 2015-08-27 | Radiate oil-filled cable and its working method |
| CN201710459995.1A CN107274994B (en) | 2015-08-27 | 2015-08-27 | The higher heat dissipation oil-filled cable of safety and its working method |
| CN201510531796.8A CN105575533B (en) | 2015-08-27 | 2015-08-27 | Radiate oil-filled cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510531796.8A CN105575533B (en) | 2015-08-27 | 2015-08-27 | Radiate oil-filled cable |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710459995.1A Division CN107274994B (en) | 2015-08-27 | 2015-08-27 | The higher heat dissipation oil-filled cable of safety and its working method |
| CN201710459996.6A Division CN107068283B (en) | 2015-08-27 | 2015-08-27 | Radiate oil-filled cable and its working method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105575533A true CN105575533A (en) | 2016-05-11 |
| CN105575533B CN105575533B (en) | 2017-11-03 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510531796.8A Active CN105575533B (en) | 2015-08-27 | 2015-08-27 | Radiate oil-filled cable |
| CN201710459996.6A Active CN107068283B (en) | 2015-08-27 | 2015-08-27 | Radiate oil-filled cable and its working method |
| CN201710459995.1A Active CN107274994B (en) | 2015-08-27 | 2015-08-27 | The higher heat dissipation oil-filled cable of safety and its working method |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710459996.6A Active CN107068283B (en) | 2015-08-27 | 2015-08-27 | Radiate oil-filled cable and its working method |
| CN201710459995.1A Active CN107274994B (en) | 2015-08-27 | 2015-08-27 | The higher heat dissipation oil-filled cable of safety and its working method |
Country Status (1)
| Country | Link |
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| CN (3) | CN105575533B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461174A (en) * | 2017-02-17 | 2018-08-28 | 本特勒尔汽车技术有限公司 | Electric conductor arrangement system and motor vehicle |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878027A (en) * | 2018-06-28 | 2018-11-23 | 怀宁宜庆电线电缆有限公司 | A kind of new-energy automobile tensile cable |
| CN111999437A (en) * | 2019-12-03 | 2020-11-27 | 日照金慧科技信息咨询有限公司 | Safety auxiliary device and method for south sea marine environment monitoring equipment |
| CN111816355B (en) * | 2020-07-21 | 2022-03-22 | 山东青江线缆有限公司 | Two-state temperature-variable cold-proof and anti-freezing cable |
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| JPS585907A (en) * | 1981-07-01 | 1983-01-13 | 中部電力株式会社 | Hot spot cooler for power cable |
| JP2881074B2 (en) * | 1992-07-07 | 1999-04-12 | 産機電業株式会社 | Water cooling cable |
| JP2007080623A (en) * | 2005-09-13 | 2007-03-29 | Auto Network Gijutsu Kenkyusho:Kk | Shield conductor and manufacturing method of shield conductor |
| JP2007157435A (en) * | 2005-12-02 | 2007-06-21 | Auto Network Gijutsu Kenkyusho:Kk | Shield conductor |
| CN204288913U (en) * | 2015-01-09 | 2015-04-22 | 重庆宝丰线缆有限公司 | A kind of from cooling energy-saving environment-friendly cable |
| CN204348401U (en) * | 2014-11-28 | 2015-05-20 | 和县电力电线电缆有限责任公司 | A kind of cable of certainly lowering the temperature with persistent loop structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1877225A (en) * | 2004-09-15 | 2006-12-13 | 刘凤鸣 | Refrigerator with air flow as medium and application thereof |
| CN102080857B (en) * | 2009-11-30 | 2013-04-17 | 中国移动通信集团四川有限公司 | System and method for adjusting indoor temperature |
| EP2439750A1 (en) * | 2010-10-07 | 2012-04-11 | Nexans | Assembly with an electric energy cable |
| CN102478325A (en) * | 2010-11-29 | 2012-05-30 | 翟爱民 | High-pressure siphon terrestrial heat system |
| CN104867605A (en) * | 2015-06-10 | 2015-08-26 | 江苏省电力公司金湖县供电公司 | Power cable with groove-type heat radiation performance |
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2015
- 2015-08-27 CN CN201510531796.8A patent/CN105575533B/en active Active
- 2015-08-27 CN CN201710459996.6A patent/CN107068283B/en active Active
- 2015-08-27 CN CN201710459995.1A patent/CN107274994B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585907A (en) * | 1981-07-01 | 1983-01-13 | 中部電力株式会社 | Hot spot cooler for power cable |
| JP2881074B2 (en) * | 1992-07-07 | 1999-04-12 | 産機電業株式会社 | Water cooling cable |
| JP2007080623A (en) * | 2005-09-13 | 2007-03-29 | Auto Network Gijutsu Kenkyusho:Kk | Shield conductor and manufacturing method of shield conductor |
| JP2007157435A (en) * | 2005-12-02 | 2007-06-21 | Auto Network Gijutsu Kenkyusho:Kk | Shield conductor |
| CN204348401U (en) * | 2014-11-28 | 2015-05-20 | 和县电力电线电缆有限责任公司 | A kind of cable of certainly lowering the temperature with persistent loop structure |
| CN204288913U (en) * | 2015-01-09 | 2015-04-22 | 重庆宝丰线缆有限公司 | A kind of from cooling energy-saving environment-friendly cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461174A (en) * | 2017-02-17 | 2018-08-28 | 本特勒尔汽车技术有限公司 | Electric conductor arrangement system and motor vehicle |
| CN108461174B (en) * | 2017-02-17 | 2020-07-07 | 本特勒尔汽车技术有限公司 | Electrical conductor arrangement system and motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107068283B (en) | 2019-04-12 |
| CN107068283A (en) | 2017-08-18 |
| CN107274994B (en) | 2019-05-31 |
| CN107274994A (en) | 2017-10-20 |
| CN105575533B (en) | 2017-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: He Pengju Inventor before: Gu Yufeng |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170920 Address after: 5, 24, 445000 Avenue, Enshi, Hubei (Airport Road, Agricultural Bank of China) Applicant after: Enshi Jie Rui Electric Power Engineering Co., Ltd. Address before: Suzhou Wuzhong District City, Jiangsu province 215000 Soochow road name 125 Yu Business Plaza No. 3 Building 7 floor Applicant before: Gu Yufeng |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |