CN202443801U - Optical fiber composite intelligent medium-voltage power cable - Google Patents
Optical fiber composite intelligent medium-voltage power cable Download PDFInfo
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- CN202443801U CN202443801U CN 201220039903 CN201220039903U CN202443801U CN 202443801 U CN202443801 U CN 202443801U CN 201220039903 CN201220039903 CN 201220039903 CN 201220039903 U CN201220039903 U CN 201220039903U CN 202443801 U CN202443801 U CN 202443801U
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- cable core
- power cable
- optical fiber
- cable
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Abstract
The utility model discloses an optical fiber composite intelligent medium-voltage power cable which comprises a cable core, a wrapping belt and a sheath sequentially arranged outside the cable core as well as a padding positioned between the cable core and the wrapping belt, wherein the cable core comprises a force cable core, an on-line monitoring light unit and a communication light unit which are twisted together; the force cable core comprises a conductor positioned in the center, and the on-line monitoring light unit comprises a detection optical fiber positioned in the center; and the communication light unit comprises a fibre bundle positioned in the center. The optical fiber composite intelligent medium-voltage power cable provided by the utility model changes the structure of the existing medium voltage power cable, the cable core adopts the structure combing the force cable core, the on-line monitoring light unit and the communication light unit together; and therefore, the cable provided by the utility model can achieve the functions of power transmission, communication transmission, and on-line monitoring on temperature and deformation of a specific position, and realizes intelligent transmission and distibution network function in the real sense.
Description
Technical field
The utility model relates to a kind of medium-pressure power cable, particularly a kind of Optical Fiber Composite intelligence medium-pressure power cable.
Background technology
Fiber composite power cable is a kind of novel optical fiber composite rope that is used for power circuit; Function with common power cable, communications optical cable and on-line monitoring etc.; Can be used for carrying out the business such as " integration of three networks " of telecommunications network, radio network, internet content transmission and combining on-line monitoring electric power networks function, the final construction that realizes the big electrical network of intelligence.The Optical Fiber Composite cable mainly contains OPGW that is used for long Distance Transmission and the Optical Fiber Composite lv power cable that power optical fiber is registered one's residence in the market; And do not have as the mid portion product of built on stilts Optical Fiber Composite cable and the compound low-voltage cable of Drop cable, therefore can't form a complete intelligent cable system engineering.
In electric power system was built, long Distance Transmission was leaned on the aerial network network, and electric power is registered one's residence by low-voltage cable, and the mid portion power transmission and distribution are to lean on medium-pressure power cable.It is big that medium-pressure power cable has transmission capacity; Carry the long characteristics of radius; Generally belong to the mains electricity transmission; That is to say that medium-pressure power cable has the higher requirement of power circuit safe class, characteristics that maintenance cost is big, therefore need an on-line monitoring function be arranged to this circuit, this is extremely important for the mains electricity safe transmission.Way in the past is to lean on artificial inspection, and the labour that this mode expends is big and efficient is also very low, simultaneously because the risk of the big ignorance of labour intensity, omission is also very big.The medium-pressure power cable use occasion is generally the city electric power transfer, and land resource is more in short supply and expensive.For electric power and communication line, former way is two circuit parallel layings but mutually nonintervention: promptly built an electric power transfer passage, communicated the passage construction of circuit in the laying installation behind the cable again, and carry out the laying installation of optical cable.Land resource but also wasting manpower and material resources had so not only been wasted.
In view of present intelligent grid construction requirements; Urgent need wants one to possess electric power transfer, communications, the three-in-one composite cable of on-line monitoring simultaneously; To building a circuit in the passage; Have three functions simultaneously, can save land resource, manufacturing, installation, operating cost greatly, particularly improved the security of operation grade of cable greatly.
The research and development achievement of Optical Fiber Composite medium-pressure power cable also has announcement in patent documentation at present; Such as utility model patent ZL201120092927.4 disclosed " a kind of Optical Fiber Composite midium voltage cable "; Its structure is for comprising cable core, cable core belting layer and oversheath; Have the electric power transfer lead in the cable core and block water filler; Every electric power transfer lead is by coating conductor screen, insulating barrier, insulation screen, metal screen layer constitute successively outside conductor; Filling position is provided with by interior and establishes the loose sleeve pipe of optical fiber and outside loose sleeve pipe, coat non-metal reinforced layer, restrictive coating successively and the optical fiber communication unit that constitutes in cable core, between cable core belting layer and oversheath, is provided with inner sheath, steel-tape armouring layer successively.This technology can find out that from supporting paper the light unit is used for communication in the compound light unit of this cable, comprises factice for filling formula light unit and dry type light cellular construction.Also can find out on the function so this cable only compound two functions, one is that electric power transfer, one are communications.Compare with the demand of front,, reach intelligent requirements, also lack one item missing on-line monitoring function as the medium voltage electricity transmission.And on-line monitoring mainly contains three important indicators, the one, and the position of monitoring point, the 2nd, the temperature of monitoring point, the 3rd, the distortion of monitoring point.Through the real-time monitoring of these three indexs, can reflect the practical operation situation of cable comprehensively.So the disclosed Optical Fiber Composite midium voltage cable of aforementioned patent function is perfect not enough, need further exploitation.
The utility model content
The purpose of the utility model is the deficiency that overcomes above-mentioned prior art, provide a kind of simple in structure, material cost is lower, with better function and can carry out the Optical Fiber Composite medium-pressure power cable of real time on-line monitoring.
The technical scheme that realizes the utility model purpose is a kind of Optical Fiber Composite intelligence medium-pressure power cable, comprises cable core, is set in turn in cable core outside band and sheath and the filling between cable core and band; Said cable core comprises power cable core, on-line monitoring light unit and the Communication ray unit that twists together; Said power cable core comprises the conductor that is positioned at the center; Said on-line monitoring light unit comprises the detection fiber that is positioned at the center; Said Communication ray unit comprises the fiber bundle that is positioned at the center.
Said power cable core has three, three tangent in twos arrangements of power cable core excircle, and every power cable core comprises conductor, conductor screen, insulation, insulation shielding and the metallic shield that sets gradually from the inside to the outside; Said on-line monitoring light unit is arranged at cable center's filling position that three power cable cores cross, and on-line monitoring light unit comprises detection fiber and the loose sleeve pipe that sets gradually from the inside to the outside.
Said on-line monitoring light unit is along the cable axis straight-line extension.
Said Communication ray unit comprises the sheath that the fiber unit cable core is outer with being covered in the fiber unit cable core; Said fiber unit cable core comprises fiber bundle, pine cover, fills medium and reinforcement; Said fiber bundle has a plurality of, and each fiber bundle is made up of some optical fiber; Said pine cover is arranged at the outside of fiber bundle; Said filling medium is filled between fiber bundle and the pine cover; The pine cover that includes fiber bundle is wrapped in around the reinforcement; Said Communication ray unit is near the band setting, and the appearance of sheath and the distance between the band are less than the distance of the appearance of the metallic shield of the appearance of sheath and power cable core.
Said Communication ray unit can be arranged at the corresponding position of the filling between two power cable cores and the band respectively by one, two or three according to the transmission capacity requirement.
Optical Fiber Composite intelligence medium-pressure power cable also comprises separator and the steel-tape armouring layer that is set in turn between band and the sheath.
Adopted technique scheme; The utlity model has following beneficial effect: (1) the utility model has changed the structure of existing medium-pressure power cable; Cable core adopts power cable core, the three-in-one structure in on-line monitoring light unit and Communication ray unit; Therefore the cable of the utility model can satisfy the temperature and the distortion function of electric power transfer, communications, on-line monitoring particular location, has realized intelligent transmission and distribution networks function truly.
(2) because a key technology of pressing in compound is the positional structure of on-line monitoring light unit in cable; Concerning on-line monitoring light unit, the meaning of its function is to reflect fast strictly according to the facts the concrete extension position of cable operating temperature, deflection and these measurement points.The utility model is implanted the inner reflection of cable true temperature situation with on-line monitoring light unit, can reflect cable operating temperature, deflection strictly according to the facts fast.
(3) the on-line monitoring light unit of the utility model is linearly extended along axis in cable; Therefore the length with cable is consistent; That is to say monitoring light unit testing to the position be exactly the position of the actual rice of cable number, so the cable of the utility model has the function of the concrete extension position of ability thermometrically point.
(4) compound middle another key technology of pressing is the positional structure of Communication ray unit in cable, says that from the stable signal transmission performance in optoelectronic composite cable, influence in the element of optical fiber transmission property, temperature is the most important.Therefore the Communication ray unit of the utility model is considered from the temperature field of cable operation; According to the cable operating temperature field is that radius along with cable is the rule of reduction trend from inside to outside, and it is arranged on the position by band, thereby away from the high-temperature field of cable; And do not increase the outside diameter of cable; Both having reduced the manufacturing cost of cable itself, and saved the shared passage of cable laying again, is the good product of an abridged edition consumption reduction.
(5) because midium voltage cable is generally main line network; No matter be electric power or communication; Transmission capacity is bigger, so the Communication ray unit is generally the layer structure that tangles, the utility model all is provided with a Communication ray unit at the filling position of three symmetries of cable; So just can realize 180 optical fiber transport communication simultaneously, transmission capacity is very huge.
(6) the Communication ray unit of the utility model is arranged on the filling peripheral position of cable, has guaranteed the stability of Optical Fiber Transmission communication, and is simultaneously compound with the power cable core, also increased the defence mechanical damage ability of light unit.
Description of drawings
For the content that makes the utility model is expressly understood more easily,, the utility model is done further detailed explanation, wherein below according to specific embodiment and combine accompanying drawing
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of the Communication ray unit among Fig. 1.
Label is in the accompanying drawing:
Embodiment
(embodiment 1)
See Fig. 1 and Fig. 2, a kind of Optical Fiber Composite intelligence medium-pressure power cable of present embodiment comprises cable core, is set in turn in cable core outside band 4 and sheath 5 and the filling 6 between cable core and band 4.
Cable core comprises power cable core 1, on-line monitoring light unit 2 and the Communication ray unit 3 that twists together.Power cable core 1 has three, three tangent in twos arrangements of power cable core 1 excircle, and every power cable core 1 comprises conductor 11, conductor screen 12, insulation 13, insulation shielding 14 and the metallic shield 15 that sets gradually from the inside to the outside; On-line monitoring light unit 2 is arranged at cable center's filling position that three power cable cores 1 cross, and on-line monitoring light unit 2 comprises the detection fiber 21 and loose sleeve pipe 22 that sets gradually from the inside to the outside, and on-line monitoring light unit 2 extends along cable axis.See Fig. 2, Communication ray unit 3 comprises fiber unit cable core 31 and the sheath 32 that is covered in outside the fiber unit cable core 31; Fiber unit cable core 31 comprises fiber bundle 31-1, pine cover 31-2, fills medium 31-3 and reinforcement 31-4; Fiber bundle 31-1 has a plurality of, and each fiber bundle 31-1 is made up of some optical fiber; Pine cover 31-2 is arranged at the outside of fiber bundle 31-1; Said filling medium 31-3 is filled between fiber bundle 31-1 and the pine cover 31-2; The pine cover 31-2 that includes fiber bundle 31-1 is wrapped in around the reinforcement 31-4; Communication ray unit 3 is provided with near band 4, and the distance between the appearance of sheath 32 and the band 4 is less than the distance of the appearance of the metallic shield 15 of the appearance of sheath 32 and power cable core 1.Communication ray unit 3 has three, is arranged at the corresponding position of the filling 6 between two power cable cores 1 and the band 4 respectively.
According to the aforementioned lights unit position characteristics is set, will monitors light unit 2 and be twisted into cable core by shown in Figure 1 with power cable core 1 with Communication ray unit 3, adopt twining package tape 4 wrapped tightening then, sheath 5 is extruded in the outside, forms a complete composite cable.Certainly according to the needs of use occasion, also separator and steel-tape armouring layer can be set between band 4 and sheath 5.
Above-described specific embodiment; Purpose, technical scheme and beneficial effect to the utility model have carried out further explain, it should be understood that the above is merely the specific embodiment of the utility model; Be not limited to the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (6)
1. Optical Fiber Composite intelligence medium-pressure power cable is characterized in that: comprise cable core, be set in turn in cable core outside band (4) and sheath (5) and be positioned at cable core and band (4) between filling (6); Said cable core comprises the power cable core (1) that twists together, on-line monitoring light unit (2) and Communication ray unit (3); Said power cable core (1) comprises the conductor (11) that is positioned at the center; Said on-line monitoring light unit (2) comprises the detection fiber (21) that is positioned at the center; Said Communication ray unit (3) comprises the fiber bundle (31) that is positioned at the center.
2. a kind of Optical Fiber Composite intelligence medium-pressure power cable according to claim 1; It is characterized in that: said power cable core (1) has three; The tangent in twos arrangement of three power cable cores (1) excircle, every power cable core (1) comprise conductor (11), conductor screen (12), insulation (13), insulation shielding (14) and the metallic shield (15) that sets gradually from the inside to the outside; Said on-line monitoring light unit (2) is arranged at cable center's filling position that three power cable cores (1) cross, and on-line monitoring light unit (2) comprises detection fiber (21) and the loose sleeve pipe (22) that sets gradually from the inside to the outside.
3. a kind of Optical Fiber Composite intelligence medium-pressure power cable according to claim 2, it is characterized in that: said on-line monitoring light unit (2) is along the cable axis straight-line extension.
4. a kind of Optical Fiber Composite intelligence medium-pressure power cable according to claim 2, it is characterized in that: said Communication ray unit (3) comprises fiber unit cable core (31) and is covered in the outer sheath (32) of fiber unit cable core (31); Said fiber unit cable core (31) comprises fiber bundle (31-1), pine cover (31-2), fills medium (31-3) and reinforcement (31-4); Said fiber bundle (31-1) has a plurality of, and each fiber bundle (31-1) is made up of some optical fiber; Said pine cover (31-2) is arranged at the outside of fiber bundle (31-1); Said filling medium (31-3) is filled between fiber bundle (31-1) and the pine cover (31-2); The pine cover (31-2) that includes fiber bundle (31-1) is wrapped in reinforcement (31-4) on every side; Said Communication ray unit (3) is provided with near band (4), and the distance between the appearance of sheath (32) and the band (4) is less than the distance of the appearance of the metallic shield (15) of the appearance of sheath (32) and power cable core (1).
5. a kind of Optical Fiber Composite intelligence medium-pressure power cable according to claim 4; It is characterized in that: said Communication ray unit (3) can be provided with one, two or three according to transmission capacity, is arranged at the corresponding position of the filling (6) between two power cable cores (1) and the band (4) respectively.
6. according to the described a kind of Optical Fiber Composite intelligence medium-pressure power cable of one of claim 1 to 5, it is characterized in that: also comprise the separator and the steel-tape armouring layer that are set in turn between band (4) and the sheath (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220039903 CN202443801U (en) | 2012-02-08 | 2012-02-08 | Optical fiber composite intelligent medium-voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220039903 CN202443801U (en) | 2012-02-08 | 2012-02-08 | Optical fiber composite intelligent medium-voltage power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202443801U true CN202443801U (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220039903 Expired - Lifetime CN202443801U (en) | 2012-02-08 | 2012-02-08 | Optical fiber composite intelligent medium-voltage power cable |
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| Country | Link |
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| CN (1) | CN202443801U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208327A (en) * | 2013-03-19 | 2013-07-17 | 启东沃玛力电器辅件有限公司 | Intelligent photovoltaic electric cable |
| CN105957619A (en) * | 2016-07-19 | 2016-09-21 | 长芯盛（武汉）科技有限公司 | Three-in-one KVM photoelectric composite cable |
| CN106024176A (en) * | 2016-05-30 | 2016-10-12 | 山东科华电力技术有限公司 | Photoelectric hybrid cable |
| CN106024103A (en) * | 2016-07-15 | 2016-10-12 | 无锡市曙光电缆有限公司 | Power cable for intelligent new energy automobile |
| CN107195380A (en) * | 2017-06-21 | 2017-09-22 | 山东太平洋光纤光缆有限公司 | A kind of naval vessel optoelectronic composite cable and its preparation technology |
| CN107845445A (en) * | 2017-11-27 | 2018-03-27 | 深圳市特发信息股份有限公司 | A kind of optical fiber composite medium-pressure cable and cable In-Line Temperature Measure System |
-
2012
- 2012-02-08 CN CN 201220039903 patent/CN202443801U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208327A (en) * | 2013-03-19 | 2013-07-17 | 启东沃玛力电器辅件有限公司 | Intelligent photovoltaic electric cable |
| CN106024176A (en) * | 2016-05-30 | 2016-10-12 | 山东科华电力技术有限公司 | Photoelectric hybrid cable |
| CN106024176B (en) * | 2016-05-30 | 2018-01-05 | 山东科华电力技术有限公司 | A kind of optical electrical hybrid cable |
| CN106024103A (en) * | 2016-07-15 | 2016-10-12 | 无锡市曙光电缆有限公司 | Power cable for intelligent new energy automobile |
| CN105957619A (en) * | 2016-07-19 | 2016-09-21 | 长芯盛（武汉）科技有限公司 | Three-in-one KVM photoelectric composite cable |
| CN107195380A (en) * | 2017-06-21 | 2017-09-22 | 山东太平洋光纤光缆有限公司 | A kind of naval vessel optoelectronic composite cable and its preparation technology |
| CN107845445A (en) * | 2017-11-27 | 2018-03-27 | 深圳市特发信息股份有限公司 | A kind of optical fiber composite medium-pressure cable and cable In-Line Temperature Measure System |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |
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| CX01 | Expiry of patent term |