CN203366837U - High voltage power transmission cable, and deicing device for same - Google Patents
High voltage power transmission cable, and deicing device for same Download PDFInfo
- Publication number
- CN203366837U CN203366837U CN 201320483912 CN201320483912U CN203366837U CN 203366837 U CN203366837 U CN 203366837U CN 201320483912 CN201320483912 CN 201320483912 CN 201320483912 U CN201320483912 U CN 201320483912U CN 203366837 U CN203366837 U CN 203366837U
- Authority
- CN
- China
- Prior art keywords
- power transmission
- voltage power
- transmission cable
- high voltage
- deicing
- Prior art date
- 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 - Fee Related
Links
Images
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
A high voltage power transmission cable, and a deicing device for the same relate to the field of the deicing technology of the high voltage power transmission cable, and aim to solve the problems that the surface of a conventional high voltage cable is easy to be iced, that a conventional deicing device is low in deicing efficiency, that the cable needing deicing powers off when the conventional deicing device works, and that the normal operation of the power grid is influenced. The outer surface of the high voltage power transmission cable of the utility model is a greenhouse vulcanized silicone rubber coating RTV layer; and the layer is provided with a hydrophobic and ice-resistant property and a spectral heat absorption ability, can slow down snow accumulation, and can use solar energy to generate heat to increase a surface temperature so as to prevent freezing. The high voltage power transmission cable is suitable for laying of the high voltage power grid in the low temperature and the easy-to-freeze area. The deicing device for the above high voltage power transmission cable can, when the power grid does not power off, use the air source heat and the fan to blow hot air into the air duct; the resin matrix composite material bushing is heated up to expand to break the ice; and the continuous hot air melts the residual ice. The deicing device is suitable for the high-voltage power transmission cable deicing.
Description
Technical field
The utility model belongs to the deicing of high-voltage wires technical field.
Background technology
Under freezing sleety weather, the ultra-high-tension power transmission line icing in field easily causes various mechanical accidents and electric accident, and causes serious consequence in the winter time.In order to tighten and improve the anti-ice cover ability of high-voltage line, guarantee the safety of power circuit, improve the reliability of electrical network, need to adopt the anti-icing technology of de-icing of power transmission lines to remove icing.
The anti-icing technology of de-icing of power transmission lines often adopted in the world at present is divided into: thermal ice-melting method, mechanical deicing's method, natural passive means and additive method.
Thermal ice-melting method and mechanical deicing's method are the de-icing of power transmission lines methods of comparatively commonly using, and thermal ice-melting is current topmost anti-ice de-icing method.The thermal ice-melting method is utilized various technology exactly, increases the current density in transmission line, or adopts other modes, makes wire self produce abundant heat, to avoid covering of ice and snow long-pending, makes existing icing melt simultaneously and comes off.But there is shortcomings in the thermal ice-melting method: thermal ice-melting needs electrical network to disconnect, and affects the normal operation of power transmission network and the normal use of power consumer; The energy consumption of thermal ice-melting is large, the waste resource.The relative thermal ice-melting of mechanical deicing, have lower Financial cost, but implement difficulty relatively, and effect is poor, and what need is of long duration, and personnel and circuit all may sustain damage.Although it is cheap that the nature passive means does not need substantially to drop into and operates, the efficiency of the method is low, is subject to natural conditions to restrict and be confined to the ice of certain type.Additive method can't independent deicing, can only be as the supplementary means of other de-icing methods.
The utility model content
The utility model is in order to solve the easily problem of icing of existing high-voltage line surface, and existing deicer deicing efficiency is low, need the outage of deicing circuit while working and affect the normally problem of operation of electrical network.Now provide a kind of high-voltage power transmission cable to reach the deicer for this power transmission cable.
A kind of high-voltage power transmission cable, it comprises: cable core, polymer matrix composites sleeve pipe and greenhouse sulphurated siliastic coating RTV layer;
The polymer matrix composites casing pipe sleeve is in the outside of cable core, and to leave ，Gai space, space between described cable core and polymer matrix composites sleeve pipe be air channel, and the outer surface of polymer matrix composites sleeve pipe 8 scribbles greenhouse sulphurated siliastic coating RTV layer.
The wall thickness of above-mentioned polymer matrix composites sleeve pipe is 3mm.
The internal diameter of above-mentioned polymer matrix composites sleeve pipe is than between the large 7mm to 9mm of the external diameter of cable core.
The sectional area in above-mentioned air channel can be increased between 1.5 times to 3 times after being heated.
For the deicer of above-mentioned high-voltage power transmission cable, it comprises: air heat source and blower fan;
The hot air outlet of air heat source is connected with the air inlet of blower fan, and the air outlet of blower fan is connected with the air channel of high-voltage power transmission cable.
Between the air outlet of above-mentioned blower fan and air channel, by being fixed on pylon gas pipeline with it, be connected.
Above-mentioned air heat source is the air source heat pump that contains generator.
For the deicer of above-mentioned high-voltage power transmission cable, it also comprises: first is movable and skid-mounted and second movable and skid-mounted;
It is first movable and skid-mounted upper that air heat source is fixed on, blower fan be fixed on second movable and skid-mounted on.
The advantage of a kind of high-voltage power transmission cable described in the utility model: the outer surface of described high-voltage power transmission cable is greenhouse sulphurated siliastic coating RTV layer, and this layer has hydrophobic and hates ice, can slow down sleet gathering on the high-voltage power transmission cable surface; And then play the effect of freezing that prevents.Simultaneously, greenhouse sulphurated siliastic coating RTV layer also has the spectrum heat absorption capacity, can better utilize solar energy to produce heat, and then improve the temperature on high-voltage power transmission cable surface, also can prevent the icing problem in high-voltage power transmission cable surface.A kind of high-voltage power transmission cable described in the utility model is applicable to lower, the easily icing region of temperature and lays grid.
The advantage of the deicer for above-mentioned high-voltage power transmission cable described in the utility model: in the situation that do not need to disconnect electrical network, utilize air heat source and blower fan to be blown into hot-air to the air channel in high-voltage power transmission cable, the polymer matrix composites sleeve pipe on cable core surface is heated, volumetric expansion, thereby ice sheet is burst, the hot-air that simultaneously passes through to continue supply, remaining ice-out, makes deicing time shorten at least 15%.Deicer described in the utility model is applicable to as above-mentioned high-voltage power transmission cable deicing.
The accompanying drawing explanation
Fig. 1 is a kind of cross section structure schematic diagram of high-voltage power transmission cable.
Fig. 2 is the structural representation for a kind of deicer of high-voltage power transmission cable.
Embodiment
Embodiment one: illustrate present embodiment with reference to Fig. 1, the described a kind of high-voltage power transmission cable of present embodiment, it comprises: cable core 6, polymer matrix composites sleeve pipe 8 and greenhouse sulphurated siliastic coating RTV layer 9;
Polymer matrix composites sleeve pipe 8 is enclosed within the outside of cable core 6, and to leave ，Gai space, space between described cable core 6 and polymer matrix composites sleeve pipe 8 be air channel 7, and the outer surface of polymer matrix composites sleeve pipe 8 scribbles greenhouse sulphurated siliastic coating RTV layer 9.
Polymer matrix composites sleeve pipe 8 has conductivity of heat and thermal expansivity, so during the system deicing, the thermal expansion force of polymer matrix composites sleeve pipe 8 can burst the part icing, continue the hot-air deicing of supply in conjunction with the air-source air heat source, make this device there is higher efficiency than conventional deicer.
Greenhouse sulphurated siliastic coating RTV layer 9 has the ice of hating hydrophobic and spectrum heat absorption capacity, can play prevention effect to the high-voltage line icing.
Embodiment two: present embodiment is that the described a kind of high-voltage power transmission cable of embodiment one is further qualified, and in present embodiment, the wall thickness of polymer matrix composites sleeve pipe 8 is 3mm.
Embodiment three: present embodiment is that the described a kind of high-voltage power transmission cable of embodiment one is further qualified, and in present embodiment, the internal diameter of polymer matrix composites sleeve pipe 8 is than between the large 7mm to 9mm of the external diameter of cable core 6.
Embodiment four: present embodiment is that the described a kind of high-voltage power transmission cable of embodiment one is further qualified, and in present embodiment, the sectional area in air channel 7 can be increased between 1.5 times to 3 times after being heated.
Embodiment five: with reference to Fig. 2, illustrate present embodiment, the described deicer for embodiment one, two, three or the described a kind of high-voltage power transmission cable of four any one execution modes of present embodiment, it comprises: air heat source 1 and blower fan 2;
The hot air outlet of air heat source 1 is connected with the air inlet of blower fan 2, and the air outlet of blower fan 2 is connected with the air channel 7 of high-voltage power transmission cable 5.
The heat of system is by air heat source 1 supply, and energy-efficient, environmental protection, have higher heating efficiency; Simple to operate, safe and reliable.
Embodiment six: present embodiment is that the described deicer for a kind of high-voltage power transmission cable of embodiment five is further qualified, in present embodiment, between the air outlet of blower fan 2 and air channel 7, by being fixed on pylon gas pipeline with it, be connected.
Embodiment seven: present embodiment is that the described deicer for a kind of high-voltage power transmission cable of embodiment five is further qualified, and in present embodiment, air heat source 1 is the air source heat pump that contains generator.
Embodiment eight: present embodiment is that the described deicer for a kind of high-voltage power transmission cable of embodiment five is further qualified, and in present embodiment, it also comprises: first movable and skid-mounted 3 and second movable and skid-mounted 4;
Air heat source 1 is fixed on first movable and skid-mounted 3, and blower fan 2 is fixed on second movable and skid-mounted 4.
Ground installation air heat source 1 and blower fan 2 are fixed on to movable and skid-mounted going up, facilitate mobile operating.
A kind of anti-icing principle of high-voltage power transmission cable:
The outer surface of high-voltage power transmission cable is greenhouse sulphurated siliastic coating RTV layer, and this layer has hydrophobic and hates ice, can slow down sleet gathering on the high-voltage power transmission cable surface; And then play the effect of freezing that prevents.Simultaneously, greenhouse sulphurated siliastic coating RTV layer also has the spectrum heat absorption capacity, can better utilize solar energy to produce heat, and then improve the temperature on high-voltage power transmission cable surface, also can prevent the icing problem in high-voltage power transmission cable surface.
Operation principle for the deicer of above-mentioned high-voltage power transmission cable:
When deicer carries out deicing to high-voltage line, at first open generator, then open air heat source 1 and blower fan 2, by blower fan 2, hot-air is sent into to the inside of high-voltage power transmission cable 5.When polymer matrix composites sleeve pipe 8 runs into high temperature air, can make polymer matrix composites sleeve pipe 8 produce tension force, volumetric expansion, thus ice sheet is burst, the hot-air that simultaneously passes through to continue supply, remaining ice-out, reaches the purpose of deicing.
Claims (8)
1. a high-voltage power transmission cable, is characterized in that, it comprises: cable core (6), polymer matrix composites sleeve pipe (8) and greenhouse sulphurated siliastic coating RTV layer (9);
Polymer matrix composites sleeve pipe (8) is enclosed within the outside of cable core (6), and leave space between described cable core (6) and polymer matrix composites sleeve pipe (8), this space is air channel (7), and the outer surface of polymer matrix composites sleeve pipe (8) scribbles greenhouse sulphurated siliastic coating RTV layer (9).
2. a kind of high-voltage power transmission cable according to claim 1, is characterized in that, the wall thickness of polymer matrix composites sleeve pipe (8) is 3mm.
3. a kind of high-voltage power transmission cable according to claim 1, is characterized in that, the internal diameter of polymer matrix composites sleeve pipe (8) is than between the large 7mm to 9mm of external diameter of cable core (6).
4. a kind of high-voltage power transmission cable according to claim 1, is characterized in that, the sectional area of air channel (7) can be increased between 1.5 times to 3 times after being heated.
5. for the deicer of a kind of high-voltage power transmission cable claimed in claim 1, it is characterized in that, it comprises: air heat source (1) and blower fan (2);
The hot air outlet of air heat source (1) is connected with the air inlet of blower fan (2), and the air outlet of blower fan (2) is connected with the air channel (7) of high-voltage power transmission cable (5).
6. the deicer for a kind of high-voltage power transmission cable according to claim 5, is characterized in that, between the air outlet of blower fan (2) and air channel (7), by being fixed on pylon gas pipeline with it, is connected.
7. the deicer for a kind of high-voltage power transmission cable according to claim 5, is characterized in that, air heat source (1) is the air source heat pump that contains generator.
8. the deicer for a kind of high-voltage power transmission cable according to claim 5, is characterized in that, it also comprises: first movable and skid-mounted (3) and second movable and skid-mounted (4);
It is upper that air heat source (1) is fixed on first movable and skid-mounted (3), and blower fan (2) is fixed on second movable and skid-mounted (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320483912 CN203366837U (en) | 2013-08-08 | 2013-08-08 | High voltage power transmission cable, and deicing device for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320483912 CN203366837U (en) | 2013-08-08 | 2013-08-08 | High voltage power transmission cable, and deicing device for same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203366837U true CN203366837U (en) | 2013-12-25 |
Family
ID=49814567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320483912 Expired - Fee Related CN203366837U (en) | 2013-08-08 | 2013-08-08 | High voltage power transmission cable, and deicing device for same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203366837U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795780A (en) * | 2015-04-13 | 2015-07-22 | 中国民航大学 | Solar high-altitude power transmission line subsection detecting and automatic-snow-melting system and control method |
| CN106655040A (en) * | 2017-02-21 | 2017-05-10 | 国网山东省电力公司邹城市供电公司 | High voltage transmission cable bracket system |
| CN106786308A (en) * | 2017-01-11 | 2017-05-31 | 东莞市圣荣自动化科技有限公司 | A kind of power equipment deicer of air outlet angle arbitrarily conversion |
-
2013
- 2013-08-08 CN CN 201320483912 patent/CN203366837U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795780A (en) * | 2015-04-13 | 2015-07-22 | 中国民航大学 | Solar high-altitude power transmission line subsection detecting and automatic-snow-melting system and control method |
| CN106786308A (en) * | 2017-01-11 | 2017-05-31 | 东莞市圣荣自动化科技有限公司 | A kind of power equipment deicer of air outlet angle arbitrarily conversion |
| CN106786308B (en) * | 2017-01-11 | 2018-05-11 | 东莞市圣荣自动化科技有限公司 | The power equipment deicer that a kind of air outlet angle arbitrarily converts |
| CN106655040A (en) * | 2017-02-21 | 2017-05-10 | 国网山东省电力公司邹城市供电公司 | High voltage transmission cable bracket system |
| CN106655040B (en) * | 2017-02-21 | 2018-03-06 | 国网山东省电力公司邹城市供电公司 | High-voltage power transmission cable mounting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105626370B (en) | A kind of anti-ice wind electricity blade structure | |
| CN103401201B (en) | A kind of de-icing method of high-voltage power transmission cable | |
| CN203113219U (en) | Highway bridge capable of preventing freeze and accumulated snow through solar energy | |
| CN106848881A (en) | A kind of box-type substation rain and snow device | |
| CN203366837U (en) | High voltage power transmission cable, and deicing device for same | |
| CN102878026A (en) | Wind driven generator rotor blade with electrothermal deicing devices | |
| CN209307855U (en) | A kind of protective-cover type drag-line Anti-ice-and-snow device | |
| CN105221358A (en) | A kind of induction heating deicer for wind generator set blade | |
| CN105977895A (en) | Ice melting device and method for electric transmission and distribution circuit in winter | |
| CN206625943U (en) | A kind of blade anti-icing and de-icing device for wind-driven generator | |
| CN203775432U (en) | Rotor blade and electrothermal chip for electrothermal deicing rotor blade of wind driven generator | |
| CN204244102U (en) | A kind of electric power transmission line 10KV power cable deicing device | |
| CN101286380A (en) | Pipeline type high voltage line and its de-icing method | |
| CN203366831U (en) | Anti-freezing rain power transmission line | |
| CN202157294U (en) | High-temperature high-pressure air outlet pipe device for ice-melting drying device of snow removing vehicle | |
| CN201465640U (en) | Heating and deicing cable | |
| CN204144748U (en) | Power transmission and transforming equipment ice and snow removing device | |
| CN203312668U (en) | Snow-removing device for power equipment pillar porcelain bottle | |
| CN203770039U (en) | Anti-icing fan blade structure with heating function on surface | |
| CN204459591U (en) | A kind of water supply pipe thermal insulation apparatus | |
| CN104179634A (en) | Electric heating type anti-icing and de-icing air turbine blade with lightning protection function | |
| CN201702138U (en) | High voltage insulator ice removal machine | |
| CN203055574U (en) | Anti-icing net for outdoor power equipment | |
| CN103790789A (en) | Anti-icing fan blade structure the surface of which has heating function | |
| CN202883274U (en) | Wind generator rotor blade with electric heating ice melting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20140808 |
|
| EXPY | Termination of patent right or utility model |