CN102789840A - Ice melting optical fiber composite overhead ground wire or ice melting ground wire, ice melting method and matched device - Google Patents
Ice melting optical fiber composite overhead ground wire or ice melting ground wire, ice melting method and matched device Download PDFInfo
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- CN102789840A CN102789840A CN2012102807139A CN201210280713A CN102789840A CN 102789840 A CN102789840 A CN 102789840A CN 2012102807139 A CN2012102807139 A CN 2012102807139A CN 201210280713 A CN201210280713 A CN 201210280713A CN 102789840 A CN102789840 A CN 102789840A
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Abstract
The invention discloses an ice melting optical fiber composite overhead ground wire or ice melting ground wire, an ice melting method and a matched device. Insulated conductors in the ice melting optical fiber composite overhead ground wire or ice melting ground wire are electrified to be heated in various modes, and particularly the ice melting optical fiber composite overhead ground wire and an optical fiber temperature measuring device are cooperatively used to facilitate rapid deicing. According to the technical scheme of the invention, a power transmission system operates regularly, short circuit shunt and lightning stroke protection are achieved, and an effect of safe deicing is achieved; and the ice melting optical fiber composite overhead ground wire or ice melting ground wire of a power transmission line can be deiced even at an early icing period, a more serious result caused by the further expansion of ice disaster is avoided, and the loss in the ice disaster is greatly reduced.
Description
Technical field
The present invention relates to a kind of cable, particularly relate to a kind of molten ice OPGW or molten ice ground wire, molten ice method and corollary equipment.
Background technology
In the ultra-high-tension power transmission line, adopt OPGW (OPGW) or ground wire as protection ground wire and optical communication line usually now, steel reinforced aluminium conductor or aluminum-cladding stranded wire or aluminium alloy stranded conductor etc. are as the lead of transmission of electricity usefulness.OPGW or ground wire are erected at the top of iron tower, and the iron tower of wire erection below OPGW or ground wire is than the upper part, and OPGW or ground wire carry out continuing of optical cable and optical fibres in the iron tower bottom usually, and adopt downlead to make OPGW or ground wire grounded.
When the lead of transmission line and OPGW or ground wire take place to freeze, except adopting artificial deicing or laser mode, thus the freezing also to have adopted and on lead, increase electric current and lead is heated up play the technology of deicing purpose of lead; And OPGW or ground wire have been protective earthing line and optical communication effect in transmission line, are ground connection during operation, do not carry electric current; In case take place to freeze; Then can't adopt the mode that galvanization heats up to come deicing, and adopt dangerous height, length consuming time, deicing when the artificial deicing mode of difficulty, and transmission line unusually must have a power failure; Even also be difficult to deicing on OPGW or ground wire in early days freezing, the consequence of ice damage is serious, loss is huge.
Therefore, seek and solve the online molten ice mode and the technology of OPGW or ground wire, become the high voltage power transmission industry and want a technical barrier solving for a long time.
This shows that the online molten ice of above-mentioned existing OPGW or ground wire obviously still has inconvenience and defective, and demands urgently further improving in the use.The problem that exists for the online molten ice that solves OPGW or ground wire; Power department and relevant manufacturer there's no one who doesn't or isn't seek solution painstakingly; But do not see always that for a long time suitable design is developed completion; And general OPGW or ground wire do not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that the online molten ice of above-mentioned existing OPGW or ground wire exists; The inventor is based on being engaged in this type of cable designs manufacturing abundant for many years practical experience and professional knowledge; And cooperate the utilization of studying the science, actively study innovation, in the hope of founding a kind of novel molten ice OPGW or molten ice ground wire, molten ice method and corollary equipment; Can improve the online molten ice of general existing OPGW or ground wire, make it have more fail safe and practicality.Through constantly research, design, and after studying sample and improvement repeatedly, found out the present invention of true tool practical value finally.
Summary of the invention
Main purpose of the present invention is; Overcome the defective that the online molten ice of existing OPGW (OPGW) or ground wire exists; And a kind of molten ice OPGW is provided or melts ice ground wire, molten ice method and corollary equipment; Technical problem to be solved is to make it through increasing insulated conductor, on insulated conductor, passes through certain current capacity heat temperature raising, and then molten ice ground wire or OPGW are melted ice; Thereby be suitable for practicality and safety more, and have the value on the industry.
The object of the invention and solve its technical problem and adopt following technical scheme to realize.A kind of molten ice OPGW or molten ice ground wire according to the present invention's proposition; Comprise the OPGW or the molten ice ground wire that are connected with power supply unit; It also comprises insulated conductor, and said insulated conductor is stranded to be fixed in said OPGW or the said molten ice ground wire.
Aforesaid molten ice OPGW, wherein, said OPGW comprises light unit and conduction reinforcement, reinforcement is stranded is fixedly connected for said insulated conductor and said first unit and conduction.
Aforesaid molten ice OPGW wherein, is the center with said smooth unit, and said insulated conductor and said conduction reinforcement are stranded to be fixed on the said smooth unit.
Aforesaid molten ice OPGW, wherein, said smooth unit is one, said smooth unit comprises hollow tube, and is arranged at least two optical fiber in this hollow tube and fills fine cream.
Aforesaid molten ice OPGW; Wherein, With said conduction reinforcement is the center, and said smooth unit and said insulated conductor are stranded on the said conduction reinforcement forms internal layer, stranded at least one said insulated conductor and the said conduction reinforcement of being fixed with on internal layer.
Aforesaid molten ice OPGW, wherein, said insulated conductor comprises lead and is coated on the insulating barrier on this lead.
Aforesaid molten ice OPGW, wherein, said insulating barrier is provided with maximum breach.
Aforesaid molten ice OPGW, wherein, said molten ice ground wire comprises the conduction reinforcement, is said insulated conductor of the stranded connection in center and the said conduction reinforcement of Duo Gen with a said conduction reinforcement.
The molten ice method of a kind of molten ice OPGW or ground wire is characterized in that, comprises the steps: molten ice ground wire or molten ice OPGW are carried out the routine connection; Increase insulated conductor molten ice in ground wire or the molten ice OPGW, two end ground connection when said insulated conductor need not to melt ice are when melting ice; One end ground connection when said insulated conductor melts ice, the other end is connected with the power supply power supply unit, and the insulating barrier of insulated conductor is provided with the molten ice OPGW of a breach; Be used for the molten ice of branch secondary; Be connected the insulated conductor of an end wherein with the power supply power supply unit, the other end still keeps ground connection, during molten ice; The size that is input to electric current in the insulated conductor through control is carried out heat temperature raising, and progressively fusing is frozen.
A kind of molten ice method of OPGW comprises the steps: an end of insulated conductor in molten ice ground wire or the molten ice OPGW is kept ground connection, and the other end of said insulated conductor is connected with the power supply power supply unit.The molten ice of the insulating barrier non-notch of insulated conductor OPGW; When multistage connects molten ice; The insulated conductor of interlude breaks off ground connection and changes into and interconnecting, and the insulated conductor that begins an end is connected with the power supply unit of supplying power, the most not the maintenance ground connection of the insulated conductor of an end; The insulating barrier of insulated conductor is provided with the molten ice OPGW of a breach, is used for the molten ice of branch secondary, is connected the insulated conductor of an end wherein with the power supply unit of supplying power, and the other end still keeps ground connection.
Molten ice OPGW corollary equipment; Comprise power supply unit and the molten ice ground wire that is connected with this power supply unit or molten ice OPGW; Said molten ice OPGW contacts with downlead and conventional ground connection; The insulated conductor that is provided with in said molten ice ground wire or the molten ice OPGW is connected with the current loading protector on the main circuit of said power supply unit.
Aforesaid molten ice OPGW corollary equipment wherein, is connected with the optical fiber temperature-measurement device that is used for continuous measurement and demonstration on the said molten ice OPGW.
Aforesaid molten ice OPGW corollary equipment wherein, is connected with the current loading protector on the main circuit of said power supply unit.
By technique scheme, the molten ice of the present invention OPGW, molten ice method and corollary equipment have advantage at least:
Both kept circuit normally to move all ground protections and optical communication capabilities, again can easily be when the need deicing, in many ways give insulated conductor in molten ice OPGW or the molten ice ground wire heat temperature raising of switching on; Particularly molten ice OPGW and optical fiber temperature-measurement device are used the quick deicing of being more convenient for.Through this technical scheme, both reached the effect of transmission system conventional operation, short circuit shunting, lightning strike protection, played the effect of safety deicing again; Through the different circuits connected mode, but not only sectional deicing but also multistage deicing together; Even also can carry out deicing in early days to the molten ice OPGW or the molten ice ground wire of transmission line icing, avoid the further expansion of ice damage to cause more serious consequence, significantly reduce ice damage loss.
In sum; The molten ice OPGW of special construction of the present invention, molten ice method and corollary equipment; Through increasing insulated conductor, on insulated conductor, pass through certain current capacity heat temperature raising, and then molten ice ground wire or OPGW are melted ice.It has above-mentioned many advantages and practical value, and in like product, does not see have similar structural design to publish or use and really belong to innovation, no matter it structurally or bigger improvement all arranged on the function; Have large improvement technically; And produced handy and practical effect, and the online molten ice of more existing OPGW or ground wire has the multinomial effect of enhancement, thus be suitable for practicality more; And have the extensive value of industry, really be a novelty, progress, practical new design.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention, understands technological means of the present invention in order can more to know, and can implement according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. specify as after.
Embodiment of the present invention is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 of the present invention.
Fig. 2 is the structural representation of embodiment 2 of the present invention.
Fig. 3 is the structural representation of the molten ice of the present invention OPGW corollary equipment.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To molten ice OPGW and molten its embodiment of ice method, structure, characteristic and the effect thereof that proposes according to the present invention, specify as after.
A kind of molten ice OPGW or molten ice ground wire; Comprise the OPGW or the molten ice ground wire that are connected with power supply unit; It also comprises insulated conductor, and insulated conductor is stranded to be fixed in OPGW or the molten ice ground wire, and insulated conductor comprises lead and is coated on the insulating barrier on this lead; OPGW comprises light unit and conduction reinforcement, and reinforcement is stranded is fixedly connected for insulated conductor and first unit and conduction.In the use of reality; With the light unit is the center, and reinforcement is stranded is fixed on the light unit with conduction for insulated conductor, and smooth unit of the present invention is one; The light unit comprises hollow tube, and is arranged at least two optical fiber in this hollow tube and fills fine cream.
Can certainly, be the center with the conduction reinforcement, be at least a light unit and insulated conductor and be stranded in conduction and form internal layer on the reinforcement, strandedly on internal layer be fixed with at least one insulated lead and conduct electricity reinforcement as skin.Insulating barrier is provided with maximum breach.
Molten ice ground wire of the present invention comprises the conduction reinforcement, is stranded connection insulated conductor in center and Duo Gen conduction reinforcement with a conduction reinforcement.
A kind of molten ice OPGW concrete structure of the present invention, shown in embodiment 1:
A kind of molten ice OPGW comprises:
The center: with a conduction reinforcement 24 is the center, and this conduction reinforcement is the aluminum cald steel wire of diameter 2.6mm;
Internal layer: comprise 24 optical fiber, light unit 23 and five conduction reinforcements 24 in the stainless steel of a diameter 2.5mm, this conduction reinforcement is a diameter 2.5mm aluminum cald steel wire, and internal layer dextrad is stranded.
Outer: 8 conduction reinforcements 24, aluminum cald steel wire 24, the 2 insulated leads 21 that this conduction reinforcement is diameter 3mm; Every insulated lead 12 is carried out a layer thickness by 211 outsourcings of diameter 2mm aluminium alloy wire and has been formed insulating barrier 212 for the 0.5mm polytetrafluoroethylene; Every insulated lead 12 comprises the insulating barrier breach 213 of a length 30cm in the middle part of factory length, this skin left-hand is stranded.
A kind of molten ice ground wire concrete structure of the present invention, shown in embodiment 2:
Molten ice ground wire comprises:
The center: with a conduction reinforcement 24 is the center, and this conduction reinforcement 24 is the aluminum cald steel wire of diameter 3.2mm;
Outer: 5 conduction reinforcements 24, this conduction reinforcement 24 is the aluminum cald steel wire of diameter 3.2mm, 1 insulated lead 31; Every insulated lead 31 is carried out the insulating barrier 312 that a layer thickness is the 0.6mm polytetrafluoroethylene by 311 outsourcings of diameter 2mm aluminium alloy wire.Outer left-hand is stranded.
Further explain molten ice method and corollary equipment below:
The molten ice method of a kind of molten ice OPGW or ground wire; It is characterized in that, comprise the steps: molten ice ground wire or molten ice OPGW are carried out the routine connection, in molten ice ground wire or molten ice OPGW, increase insulated conductor; Two end ground connection when said insulated conductor need not molten ice; During molten ice, one end ground connection when insulated conductor melts ice, insulated conductor 21 other ends are connected with the power supply power supply unit.For multistage deicing is together perhaps carried out in the segmentation deicing; The molten ice OPGW that the insulating barrier of insulated conductor 21 is provided with a breach is used for the deicing of one section branch secondary, and multistage deicing together is not provided with breach on the insulating barrier of insulated conductor 21; Break off ground connection to the insulated conductor 21 of each section and change mutual connection into; Be connected the insulated conductor 21 of an end wherein with the power supply power supply unit, the other end still keeps ground connection, during molten ice; The size that is input to electric current in the insulated conductor through control is carried out heat temperature raising, and progressively fusing is frozen.
As shown in Figure 3; Molten ice OPGW corollary equipment; Comprise power supply unit 41 and the molten ice ground wire that is connected with this power supply unit 41 or molten ice OPGW 2; Molten ice OPGW 2 contact with downlead 245 and conventional ground connection, is connected with current loading protector 42 on the insulated conductor 21 1 end ground connection other ends that said molten ice ground wire or molten is iced setting in the OPGW 2 and the main circuit of power supply unit 41 and is connected.Be connected with the optical fiber temperature-measurement device 5 that is used for continuous measurement and demonstration on molten ice ground wire or the molten ice OPGW 2; Optical fiber temperature-measurement device 5 is connected with molten ice ground wire or molten ice OPGW 2 through optical fiber splice box 51; Height according to the fine temperature of institute's photometry is regulated the size of current on the insulated conductor; In the use of reality, adopt complete monitoring, be more convenient for controlling the intensification upper limit and the programming rate of heating; Play best deicing effect; During for fear of current capacity overloads such as current overload, line short, circuit are struck by lightning, the people in the surrounding environment is caused infringement, be connected with current loading protector 42 on the main circuit of power supply unit 41.
The present invention's molten ice OPGW that above-mentioned structure like this constitutes and the technological innovation of molten ice method thereof all have many saving graces for technical staff of the same trade now, and the progressive that possesses skills really.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (10)
1. one kind melts ice OPGW or molten ice ground wire; Comprise the molten ice OPGW or the molten ice ground wire that are connected with power supply unit; It is characterized in that; It also comprises insulated conductor, and said insulated conductor is stranded to be fixed in said molten ice OPGW or the said molten ice ground wire.
2. molten ice OPGW according to claim 1 is characterized in that, said molten ice OPGW comprises light unit and conduction reinforcement, and reinforcement is stranded is fixedly connected for said insulated conductor and said first unit and conduction.
3. molten ice OPGW according to claim 2 is characterized in that, is the center with said smooth unit, and said insulated conductor and said conduction reinforcement are stranded to be fixed on the said smooth unit.
4. molten ice OPGW according to claim 2 is characterized in that said smooth unit is one, and said smooth unit comprises hollow tube, and is arranged at least two optical fiber in this hollow tube and fills fine cream.
5. molten ice OPGW according to claim 2; It is characterized in that; With said conduction reinforcement is the center; Said smooth unit and said insulated conductor are stranded on the said conduction reinforcement forms internal layer, stranded at least one said insulated conductor and the said conduction reinforcement of being fixed with on internal layer.
6. molten ice OPGW according to claim 1 is characterized in that said insulated conductor comprises lead and is coated on the insulating barrier on this lead.
7. molten ice OPGW according to claim 6 is characterized in that, said insulating barrier is provided with maximum breach.
8. molten ice OPGW according to claim 1 is characterized in that, said molten ice ground wire comprises the conduction reinforcement, is said insulated conductor of the stranded connection in center and the said conduction reinforcement of Duo Gen with a said conduction reinforcement.
9. one kind melts the molten ice method of icing OPGW or ground wire; It is characterized in that, comprise the steps: molten ice ground wire or molten ice OPGW are carried out the routine connection, in molten ice ground wire or molten ice OPGW, increase insulated conductor; Two end ground connection when said insulated conductor need not molten ice; During molten ice, one end ground connection when said insulated conductor melts ice, the other end is connected with the power supply power supply unit; The size that is input to electric current in the insulated conductor through control is carried out heat temperature raising, and progressively fusing is frozen.
10. molten ice OPGW corollary equipment; The molten ice OPGW that comprises power supply unit and be connected with this power supply unit; Said molten ice OPGW contacts with downlead and conventional ground connection; The insulated conductor that is provided with in the said molten ice OPGW is connected with the current loading protector on the main circuit of said power supply unit, be connected with the optical fiber temperature-measurement device that is used for continuous measurement and demonstration on the said molten ice OPGW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102807139A CN102789840A (en) | 2012-08-09 | 2012-08-09 | Ice melting optical fiber composite overhead ground wire or ice melting ground wire, ice melting method and matched device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102807139A CN102789840A (en) | 2012-08-09 | 2012-08-09 | Ice melting optical fiber composite overhead ground wire or ice melting ground wire, ice melting method and matched device |
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| CN102789840A true CN102789840A (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102807139A Pending CN102789840A (en) | 2012-08-09 | 2012-08-09 | Ice melting optical fiber composite overhead ground wire or ice melting ground wire, ice melting method and matched device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151746A (en) * | 2013-02-20 | 2013-06-12 | 浙江浙电经济技术研究院 | Internal recyclable ice melting method of composite overhead ground wire capable of melting ice |
| CN103151745A (en) * | 2013-02-20 | 2013-06-12 | 浙江浙电经济技术研究院 | Method for deicing by connecting double-side deicing overhead ground wires in series |
| CN103390874A (en) * | 2013-07-24 | 2013-11-13 | 国家电网公司 | Deicing method for deicing optical fiber composite overhead ground wire wound by insulated wires |
| CN103632764A (en) * | 2013-12-22 | 2014-03-12 | 李天昌 | Internally parallel-connected high-voltage power transmission line overhead ground wire capable of performing auxiliary heating and automatically removing ice coating |
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| CN201181830Y (en) * | 2008-03-06 | 2009-01-14 | 通光集团有限公司 | Low ice-covering optical fiber composite overhead ground wire |
| CN202049801U (en) * | 2011-04-19 | 2011-11-23 | 苏州古河电力光缆有限公司 | Compact optical fiber composite overhead ground wire |
| CN102565975A (en) * | 2012-01-18 | 2012-07-11 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Ground wire ice melting graded insulation cable joint box |
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2012
- 2012-08-09 CN CN2012102807139A patent/CN102789840A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201181830Y (en) * | 2008-03-06 | 2009-01-14 | 通光集团有限公司 | Low ice-covering optical fiber composite overhead ground wire |
| CN202049801U (en) * | 2011-04-19 | 2011-11-23 | 苏州古河电力光缆有限公司 | Compact optical fiber composite overhead ground wire |
| CN102565975A (en) * | 2012-01-18 | 2012-07-11 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Ground wire ice melting graded insulation cable joint box |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151746A (en) * | 2013-02-20 | 2013-06-12 | 浙江浙电经济技术研究院 | Internal recyclable ice melting method of composite overhead ground wire capable of melting ice |
| CN103151745A (en) * | 2013-02-20 | 2013-06-12 | 浙江浙电经济技术研究院 | Method for deicing by connecting double-side deicing overhead ground wires in series |
| CN103390874A (en) * | 2013-07-24 | 2013-11-13 | 国家电网公司 | Deicing method for deicing optical fiber composite overhead ground wire wound by insulated wires |
| CN103632764A (en) * | 2013-12-22 | 2014-03-12 | 李天昌 | Internally parallel-connected high-voltage power transmission line overhead ground wire capable of performing auxiliary heating and automatically removing ice coating |
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Application publication date: 20121121 |