阅读说明：本技术 一种防强电磁脉冲电力电缆 (Strong electromagnetic pulse prevention power cable ) 是由 朱光云 徐炉 于 2021-08-28 设计创作，主要内容包括：本发明公开了一种防强电磁脉冲电力电缆,包括导体,所述导体的外壁设置有一号自溃式屏蔽结构,所述一号自溃式屏蔽结构的外壁设置有绝缘层,所述绝缘层的外壁设置有二号自溃式屏蔽结构,所述二号自溃式屏蔽结构的外壁设置有分屏蔽层。本发明所述的一种防强电磁脉冲电力电缆,通过设置的导体、一号自溃式屏蔽结构、绝缘层、二号自溃式屏蔽结构、分屏蔽层、填充物、内护套、三号自溃式屏蔽结构、总屏蔽层和外护套,该结构可以增加在强电磁脉冲环境下电力电缆或者控制电缆电力输送或者信号输送中的安全性,可靠性,增强了重要设施设备抗强电磁脉冲破坏的能力,此设备不但结构简单,而且操作方便,性能优越可靠,带来更好的使用前景。(The invention discloses a strong electromagnetic pulse preventing power cable which comprises a conductor, wherein a first self-collapsing shielding structure is arranged on the outer wall of the conductor, an insulating layer is arranged on the outer wall of the first self-collapsing shielding structure, a second self-collapsing shielding structure is arranged on the outer wall of the insulating layer, and a sub-shielding layer is arranged on the outer wall of the second self-collapsing shielding structure. According to the strong electromagnetic pulse prevention power cable, the safety and the reliability of the power cable or a control cable in power transmission or signal transmission under a strong electromagnetic pulse environment can be improved through the conductor, the first self-collapsing type shielding structure, the insulating layer, the second self-collapsing type shielding structure, the sub-shielding layer, the filler, the inner sheath, the third self-collapsing type shielding structure, the total shielding layer and the outer sheath, and the strong electromagnetic pulse prevention power cable has the advantages of being simple in structure, convenient to operate, excellent and reliable in performance and capable of bringing better use prospects.)

1. A strong electromagnetic pulse prevention power cable comprises a conductor (1), and is characterized in that: the outer wall of conductor (1) is provided with one number from bursting formula shielding structure (2), one number is provided with insulating layer (3) from the outer wall of bursting formula shielding structure (2), the outer wall of insulating layer (3) is provided with two numbers from bursting formula shielding structure (4), two numbers are provided with branch shielding layer (5) from the outer wall of bursting formula shielding structure (4), the outer wall of branch shielding layer (5) is provided with filler (6), the outer wall of filler (6) is provided with inner sheath (7), the outer wall of inner sheath (7) is provided with three numbers from bursting formula shielding structure (8), the outer wall of three numbers from bursting formula shielding structure (8) is provided with total shielding layer (9), the outer wall of total shielding layer (9) is provided with oversheath (10).

2. The strong electromagnetic pulse prevention power cable according to claim 1, wherein: the outer wall of conductor (1) is through the inner wall fixed connection of one number from ulcerate formula shielding structure (2) and insulating layer (3), the outer wall and No. two from ulcerate formula shielding structure (4) of insulating layer (3) are connected, the outer wall and the branch shielding layer (5) of the formula shielding structure (4) of bursting certainly are connected, constitute a structural entirety, and its quantity can be according to electric power transmission looks number or the arbitrary combination of signal transmission requirement.

3. The strong electromagnetic pulse prevention power cable according to claim 1, wherein: the novel shielding structure is characterized in that a fixing groove is formed in the filler (6), the filler (6) is fixedly connected with the sub-shielding layer (5) through the fixing groove, and the outer wall of the sub-shielding layer (5) is fixedly connected with the inner wall of the inner sheath (7) through the filler (6).

4. The strong electromagnetic pulse prevention power cable according to claim 1, wherein: the outer wall of the inner sheath (7) is fixedly connected with the inner wall of the total shielding layer (9) through a third self-collapsing shielding structure (8).

5. The strong electromagnetic pulse prevention power cable according to claim 1, wherein: the outer wall of the second self-collapsing shielding structure (8) is fixedly connected with the inner wall of the outer sheath (10) through the total shielding layer (9).

6. The strong electromagnetic pulse prevention power cable according to claim 1, wherein: the sub-shielding layer (5) is made of a metal woven wire mesh and a metal foil.

7. The strong electromagnetic pulse prevention power cable according to claim 1, wherein: the total shielding layer (9) is made of a metal woven wire mesh and a metal foil.

Technical Field

The invention relates to the field of power transmission, in particular to a strong electromagnetic pulse prevention power cable.

Background

The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater, is gradually increased in proportion in the power line, is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, comprises 1-500KV and above various voltage grades, and is various insulated power cables, but the existing power cable cannot meet the requirements of people.

At present, a known power cable or control cable lacks a stable and reliable operation protection measure in a strong electromagnetic pulse environment, so that power transmission and control signal transmission of important equipment and facilities face safety risks in the strong electromagnetic pulse environment, the important equipment and the equipment are prone to system function loss and disorder, the service life of the power cable is shortened, certain adverse effects are brought to the use process of people, and therefore the strong electromagnetic pulse prevention power cable is provided.

Disclosure of Invention

The invention mainly aims to provide a strong electromagnetic pulse prevention power cable which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a prevent forceful electric magnetic pulse power cable, includes the conductor, the outer wall of conductor is provided with one number from bursting formula shielding structure, one number is provided with the insulating layer from bursting formula shielding structure's outer wall, the outer wall of insulating layer is provided with two numbers from bursting formula shielding structure, two numbers are provided with branch shielding layer from bursting formula shielding structure's outer wall, the outer wall of branch shielding layer is provided with the filler, the outer wall of filler is provided with the inner sheath, the outer wall of inner sheath is provided with three numbers from bursting formula shielding structure, three numbers are provided with total shielding layer from bursting formula shielding structure's outer wall, total shielding layer's outer wall is provided with the oversheath.

Preferably, the outer wall of the conductor is fixedly connected with the inner wall of the insulating layer through a first self-collapsing shielding structure, the number of the conductors is four, the number of the first self-collapsing shielding structure is four, and the number of the insulating layer is four.

Preferably, the outer wall of insulating layer is through No. two from the inner wall fixed connection of formula of bursting shielding structure and branch shielding layer, No. two from the quantity of formula of bursting shielding structure be four groups, the quantity of branch shielding layer is four groups.

Preferably, a fixing groove is formed in the filler, the filler is fixedly connected with the sub-shielding layer through the fixing groove, and the outer wall of the sub-shielding layer is fixedly connected with the inner wall of the inner sheath through the filler.

Preferably, the outer wall of the inner sheath is fixedly connected with the inner wall of the total shielding layer through a third self-collapsing shielding structure.

Preferably, the outer wall of the third self-collapsing shielding structure is fixedly connected with the inner wall of the outer sheath through the total shielding layer.

Preferably, the sub-shielding layer is made of a metal woven wire mesh and a metal foil.

Preferably, the total shielding layer is made of a metal woven wire mesh and a metal foil.

Compared with the prior art, the invention has the following beneficial effects: through the arranged conductor, a self-collapsing shielding structure, an insulating layer, a second self-collapsing shielding structure, a sub-shielding layer, a filler, an inner sheath, a third self-collapsing shielding structure, a total shielding layer and an outer sheath, when the cable is used, the conductor and the insulating layer are respectively added with the self-collapsing shielding protection structure between the insulating layer and the sub-shielding layer, the conductor, the insulating layer and the sub-shielding layer are fixedly connected through the self-collapsing shielding protection structure, the filler is filled in the outer wall of the sub-shielding layer, the filler and an external protective sleeve are fixedly connected, the external protective sleeve comprises the inner sheath, the second self-collapsing shielding structure, the total shielding layer and the outer sheath, the inner sheath and the outer sheath are fixedly formed by the second self-collapsing shielding structure and the total shielding layer, the sub-shielding layer and the total shielding layer adopt double-layer shielding of metal woven wire meshes and metal foils, the cable has a conductive function and self-collapsing shielding protection structure with a self-collapsing energy absorption function and multiple combinations thereof as a strong current loop of the magnetic pulse loop The special protection structure for the power cable or the control cable against strong electromagnetic pulse destructiveness in the environment can increase the safety in power transmission or signal transmission of the power cable or the control cable under the strong electromagnetic pulse environment, reliability and strong electromagnetic pulse damage resistance of important facility equipment are enhanced, and the whole strong electromagnetic pulse-proof power cable is simple in structure and convenient to operate, and the using effect is better than that of the traditional mode.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a strong electromagnetic pulse prevention power cable according to the present invention;

FIG. 2 is a schematic cross-sectional view of a strong electromagnetic pulse prevention power cable according to the present invention;

FIG. 3 is a schematic cross-sectional view of a strong electromagnetic pulse prevention power cable according to the present invention;

FIG. 4 is a schematic diagram of a conductor protection layer structure of a strong electromagnetic pulse prevention power cable diagram according to the present invention;

FIG. 5 is a schematic structural diagram of a protective sheath for a power cable with strong electromagnetic pulse resistance according to the present invention.

In the figure: 1. a conductor; 2. a first self-collapsing shielding structure; 3. an insulating layer; 4. a second self-collapsing shielding structure; 5. dividing a shielding layer; 6. a filler; 7. an inner sheath; 8. a third self-collapsing shielding structure; 9. a total shielding layer; 10. an outer sheath.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1, a prevent strong electromagnetic pulse power cable, including conductor 1, the outer wall of conductor 1 is provided with one number from bursting formula shielding structure 2, one number is provided with insulating layer 3 from bursting formula shielding structure 2's outer wall, insulating layer 3's outer wall is provided with two numbers from bursting formula shielding structure 4, two numbers are provided with branch shielding layer 5 from bursting formula shielding structure 4's outer wall, the outer wall of branch shielding layer 5 is provided with filler 6, the fixed slot has been seted up to filler 6's inside, filler 6 passes through the fixed slot and divides shielding layer 5 fixed connection, the outer wall of filler 6 is provided with inner sheath 7, the outer wall of inner sheath 7 is provided with three numbers from bursting formula shielding structure 8, three numbers are provided with total shielding layer 9 from bursting formula shielding structure 8's outer wall, total shielding layer 9's outer wall is provided with oversheath 10.

Example two:

on the basis of the first and second embodiments, as shown in fig. 1 to 5, the outer wall of the conductor 1 is fixedly connected with the inner wall of the insulating layer 3 through the first self-collapsing shielding structure 2, the outer wall of the insulating layer 3 is fixedly connected with the inner wall of the sub-shielding layer 5 through the second self-collapsing shielding structure 4, the outer wall of the sub-shielding layer 5 is fixedly connected with the inner wall of the inner sheath 7 through the filler 6, the outer wall of the inner sheath 7 is fixedly connected with the inner wall of the main shielding layer 9 through the third self-collapsing shielding structure 8, and the outer wall of the third self-collapsing shielding structure 8 is fixedly connected with the inner wall of the outer sheath 10 through the main shielding layer 9, wherein the sub-shielding layer 5 and the main shielding layer 9 are made of metal woven wire mesh and metal foil, and the number of the structures of the conductor 1, the first self-collapsing shielding structure 2, the insulating layer 3, the second self-collapsing shielding structure 4 and the sub-collapsing shielding layer 5 inside the cable can be arbitrarily combined according to the power transmission phase number or the signal transmission requirement The structure can increase the safety and reliability in power transmission or signal transmission of the power cable or the control cable in a strong electromagnetic pulse environment, and enhances the strong electromagnetic pulse damage resistance of important facility equipment.

Before the cable is used, a conductor 1, a first self-collapsing shielding structure 2, an insulating layer 3, a second self-collapsing shielding structure 4, a sub-shielding layer 5, a filler 6, an inner sheath 7, a third self-collapsing shielding structure 8, a total shielding layer 9 and an outer sheath 10 are arranged, when the cable is used, a layer of self-collapsing shielding protection structure is respectively added between the conductor 1 and the insulating layer 3 and between the insulating layer 3 and the sub-shielding layer 5, the conductor 1, the insulating layer 3 and the sub-shielding layer 5 are connected and fixed through the self-collapsing shielding protection structures, the filler 6 is filled in the outer wall of the sub-shielding layer 5, the filler 6 is connected and fixed with an outer protective sleeve, the outer protective sleeve consists of the inner sheath 7, the third self-collapsing shielding structure 8, the total shielding layer 9 and the outer sheath 10, the third self-collapsing shielding structure 8 and the total shielding layer 9 are arranged between the inner sheath 7 and the outer sheath 10 to form a fixing structure, the sub-shielding layer 5 and the total shielding layer 9 adopt metal woven wire mesh and metal foil double-layer shielding, the cable has a conductive function and has a self-collapsing shielding protection structure with a self-fusing energy absorption function and a multiple combination thereof as a special protection structure of a power cable or a control cable against strong electromagnetic pulse destructiveness under a strong electromagnetic pulse environment, the structure can increase the safety of the power cable or the control cable in power transmission or signal transmission under the strong electromagnetic pulse environment, the reliability is high, the strong electromagnetic pulse destruction resistance of important facility equipment is enhanced, and the cable is practical.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.