CN208077674U - A kind of rare earth aluminum alloy power cable - Google Patents

Abstract

The utility model discloses a kind of rare earth aluminum alloy power cables; including protective shell; it is embedded with external shielding layer on the inside of the protective shell; the inside of the external shielding layer is equidistantly embedded there are five internal shield; multiple connecting sewings are equidistantly equipped in the tin layers, wherein the surface of tin layers is equidistantly equipped with multiple thermally conductive sheets between two neighboring connecting sewing; and more heat conductive filaments have been cross-linked between multiple thermally conductive sheets, the inside of the internal shield is equidistantly embedded that there are five metallic conductors.In the utility model; first; the inside for being located at protective shell on the surface of the cable is equidistantly equipped with multiple thermally conductive sheets; and it is also associated with heat conductive filament between multiple thermally conductive sheets; it in this way can be in the case where ensureing that cable can be radiated by thermally conductive sheet, moreover it is possible to accelerate its thermal conduction rate, to may make the power cable when actual use; its safety higher, service life are more permanent.

Description

A kind of rare earth aluminum alloy power cable

Technical field

The utility model is related to field of cable technology more particularly to a kind of rare earth aluminum alloy power cables.

Background technology

Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.In power circuit, cable proportion just gradually increases Add.Power cable is in the basic routing line of electric system transmitting and distribute the cable product of high-power power, including 1- 500KV and any of the above voltage class, the power cable of various insulation.

However existing power cable, simple in structure, radiating efficiency is not high, and its whole intensity is little, so that It is impermanent in the service life of power cable.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of rare earth aluminium alloy proposed Power cable.

To achieve the goals above, the utility model uses following technical solution：A kind of rare earth aluminum alloy power cable, Including protective shell, external shielding layer is embedded on the inside of the protective shell, the inside of the external shielding layer is equidistantly embedded there are five in Shielded layer, and be located on the inside of external shielding layer on the outer wall of internal shield and be bonded with Anti-skid adhesive tape, on the outer wall of the protective shell Multiple aluminum alloy bars are equidistantly wound with, is glued in the surface interlayer of the protective shell and is equipped with tin layers, are equidistantly equipped in the tin layers more A connecting sewing, wherein the surface of tin layers is equidistantly equipped with multiple thermally conductive sheets, and multiple thermally conductive sheets between two neighboring connecting sewing Between be cross-linked more heat conductive filaments, the inside of the internal shield is equidistantly embedded that there are five metallic conductors, and five metals It is located at the outer sheath of five metallic conductors equipped with anti-oxidant filled with the insulation bed of material, the inside of the internal shield between conductor Layer.

As further describing for above-mentioned technical proposal：

Equidistant adhesion has multiple friction adhesive tape on the madial wall of the external shielding layer.

As further describing for above-mentioned technical proposal：

The connecting sewing is provided with two groups altogether, and the exterior contour of every group of two connecting sewings is arc-shaped, and connects The arc length of seam is equal to the half of the perimeter of section of tin layers.

As further describing for above-mentioned technical proposal：

The length of the Anti-skid adhesive tape is less than the length of internal shield.

As further describing for above-mentioned technical proposal：

The outer diameter of the external shielding layer is equal to the internal diameter of protective shell.

In the utility model, first, the inside that protective shell is located on the surface of the cable is equidistantly equipped with multiple thermally conductive sheets, and And heat conductive filament is also associated between multiple thermally conductive sheets, it can ensure the case where cable can be radiated by thermally conductive sheet in this way Under, moreover it is possible to accelerate its thermal conduction rate, to may make the power cable when actual use, safety higher makes It is more permanent with the service life, secondly as the setting of Anti-skid adhesive tape, may make internal shield in the inside for being placed in external shielding layer When, it can be relatively stable, and due to the setting of tinfoil, it may make the power cable when actual use, can play heat-insulated Effect, power cable can also be played a certain protective role, furthermore, the setting of aluminum alloy bar may make that the electric power is electric Its intensity bigger of cable, to further such that the service life of power cable is lengthened.

Description of the drawings

Fig. 1 be the utility model proposes a kind of rare earth aluminum alloy power cable structural schematic diagram；

Fig. 2 be the utility model proposes a kind of rare earth aluminum alloy power cable internal shield internal structure signal Figure；

Fig. 3 be the utility model proposes a kind of rare earth aluminum alloy power cable external shielding layer surface texture signal Figure.

Marginal data：

1- internal shields, 2- Anti-skid adhesive tapes, 3- external shielding layers, 4- protective shells, 5- aluminum alloy bars, 6- tin layers, 7- connecting sewings, 8- thermally conductive sheets, 9- heat conductive filaments, 10- metallic conductors, 11- anti oxidation layers, the 12- insulation bed of material, 13- friction adhesive tape.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention；Term " first ", " the Two ", " third " is used for description purposes only, and is not understood to indicate or imply relative importance；In addition, unless otherwise specific Regulation and restriction, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, can also be It is detachably connected, or is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also lead to It crosses intermediary to be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be with Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

Referring to Fig.1-3, a kind of rare earth aluminum alloy power cable, including protective shell 4, the inside of protective shell 4 are embedded with external screen Cover layer 3, the inside of external shielding layer 3 is equidistantly embedded that there are five internal shields 1, and is located at external shielding layer 3 on the outer wall of internal shield 1 Inside be bonded with Anti-skid adhesive tape 2, the effect of Anti-skid adhesive tape 2 may make the frictional force between internal shield 1 and external shielding layer 3 Increase, to can ensure that internal shield 1 will not slide in external shielding layer 3, is equidistantly wound on the outer wall of protective shell 4 more A aluminum alloy bar 5, the effect of aluminum alloy bar 5 may make the hardness of entire protective shell 4 to become larger, so as to ensure that cable makes With when, will not occur the phenomenon that fracture easily, be glued in the surface interlayer of protective shell 4 and be equipped with tin layers 6, equidistantly set in tin layers 6 There are multiple connecting sewings 7, wherein the surface of tin layers 6 is equidistantly equipped with multiple thermally conductive sheets 8 between two neighboring connecting sewing 7, and more It has been cross-linked more heat conductive filaments 9 between a thermally conductive sheet 8, the inside of internal shield 1 is equidistantly embedded that there are five metallic conductors 10, and Filled with the insulation bed of material 12 between five metallic conductors 10, the inside of internal shield 1 is located at the outer sheath of five metallic conductors 10 Equipped with anti oxidation layer 11, anti oxidation layer 11 is made of oxidation-resistant material, can be played a certain protective role to metallic conductor 10.

Equidistant adhesion has multiple friction adhesive tape 13 on the madial wall of external shielding layer 3, and the effect for the adhesive tape 13 that rubs may make it Surface and the frictional force of 4 inner wall of protective shell increase, and can also enable the installation in protective shell 4 of external shielding layer 3 to fasten, connecting sewing 7 are provided with two groups altogether, and the exterior contour of every group of two connecting sewings 7 is arc-shaped, and the arc length of connecting sewing 7 is equal to tin layers The half of 6 perimeter of section, the length of Anti-skid adhesive tape 2 are less than the length of internal shield 1, and the outer diameter of external shielding layer 3 is equal to protection The internal diameter of shell 4.

Operation principle：In use, first it will be embedded external shielding layer 3 in protective shell 4, it is then, five metallic conductors 10 are equidistant It is embedded in the inside of internal shield 1, and external shielding layer 3 is wrapped in the outside of internal shield 1, when the power cable is in reality When use, thermally conductive sheet 8 can conduct the heat of cable surface, and send it in air, to ensure the electricity The service life of power cable is lengthened, and during thermally conductive sheet 8 conducts heat, due to the effect of heat conductive filament 9, may make whole The heat conduction velocity of a cable is accelerated.

Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of rare earth aluminum alloy power cable, including protective shell（4）, which is characterized in that the protective shell（4）Inside be embedded There is external shielding layer（3）, the external shielding layer（3）Inside be equidistantly embedded there are five internal shield（1）, and internal shield（1）'s It is located at external shielding layer on outer wall（3）Inside be bonded with Anti-skid adhesive tape（2）, the protective shell（4）Outer wall on be equidistantly wound with Multiple aluminum alloy bars（5）, the protective shell（4）Surface interlayer in glue be equipped with tin layers（6）, the tin layers（6）On be equidistantly equipped with Multiple connecting sewings（7）, wherein tin layers（6）Surface be located at two neighboring connecting sewing（7）Between equidistantly be equipped with multiple thermally conductive sheets （8）, and multiple thermally conductive sheets（8）Between be cross-linked more heat conductive filaments（9）, the internal shield（1）Inside be equidistantly embedded There are five metallic conductors（10）, and five metallic conductors（10）Between filled with insulation the bed of material（12）, the internal shield（1）'s Inside is located at five metallic conductors（10）Outer sheath be equipped with anti oxidation layer（11）.

2. a kind of rare earth aluminum alloy power cable according to claim 1, which is characterized in that the external shielding layer（3）'s Equidistant adhesion has multiple friction adhesive tape on madial wall（13）.

3. a kind of rare earth aluminum alloy power cable according to claim 1, which is characterized in that the connecting sewing（7）It sets altogether It is equipped with two groups, and every group of two connecting sewings（7）Exterior contour it is arc-shaped, and connecting sewing（7）Arc length be equal to tin layers （6）Perimeter of section half.

4. a kind of rare earth aluminum alloy power cable according to claim 1, which is characterized in that the Anti-skid adhesive tape（2）'s Length is less than internal shield（1）Length.

5. a kind of rare earth aluminum alloy power cable according to claim 1, which is characterized in that the external shielding layer（3）'s Outer diameter is equal to protective shell（4）Internal diameter.