CN218333160U - Novel cable - Google Patents

Abstract

The utility model discloses a novel cable, including conductor and cladding the insulating layer of conductor periphery, the insulating layer segmentation sets up, at least adjacent two sections the material and/or the thickness of insulating layer are different. According to this novel cable of this disclosure, can select suitable insulating layer according to the environment that the cable is located at practical application in-process, satisfy different service environment to the demand of insulating layer, the cable cost that reduces increases market competition.

Description

Novel cable

Technical Field

The utility model relates to a cable technical field, more specifically relates to a novel cable.

Background

The cable is mainly used for controlling installation, connecting equipment, transmitting electric power and the like, and along with the rapid development of the economic society, the cable becomes a common and indispensable thing in daily life.

The insulating layer of the cable that uses now, all use the insulating layer of the same specification on same cable, generally all utilize the insulating material preparation of highest grade, the manufacturing cost of cable has been increased like this invisibly, in practical application, the length of a cable is from several centimetres to tens meters, a long cable often approaches the service environment of multiple difference, each kind of service environment all has the requirement that does not use to the cable insulating layer, for example, high temperature resistant, sun-proof ageing, the bending nature is good, or wear to establish the through-hole that a certain part set up, need play sealing action between insulating layer and through-hole. Therefore, the inventor provides a novel cable, and the insulating layers of different sections meet different requirements under the assembly and use environments.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel technical scheme of novel cable.

According to a first aspect of the present invention, there is provided a novel cable, comprising,

the insulation layer sets up in segmentation, and at least two sections adjacent the material and/or the thickness of insulation layer are different.

Optionally, two adjacent sections of the insulating layers are connected through a first connection, and the first connection surrounds and hermetically connects two adjacent sections of the insulating layers.

Optionally, two adjacent sections of the insulating layers are in butt joint connection.

Optionally, the first connection point of two adjacent sections of the insulation layers has a dimension in the cable extending direction of 0mm-50mm.

Optionally, two adjacent sections of the insulating layer are in lap joint.

Optionally, the dimension of the first connection of two adjacent sections of the insulating layers in the extension direction of the cable is 1-1.5 times the diameter of the cable.

Optionally, two adjacent sections of the insulating layers are connected in an adhesive manner.

Optionally, two adjacent sections of the insulating layer are fused.

Optionally, the conductor material is a flexible conductor and/or a rigid conductor.

Optionally, the flexible conductor is a multi-core cable or a braided cable or a multi-layer laminated flexible row.

Optionally, the insulating layer is coated with a shielding layer, and the shielding layer is made of a metal sleeve, a conductive plastic sleeve, a metal foil winding tape layer, a metal wire braided sleeve, a conductive coating layer, or a conductive coating layer.

Optionally, the outer insulating layer is wrapped around the shielding layer, the outer insulating layer is arranged in segments and connected end to end through at least one second joint, at least two adjacent segments of the outer insulating layer are different in material and/or thickness, and the second joint surrounds and hermetically connects the two adjacent segments of the outer insulating layer.

Optionally, when two adjacent sections of the outer insulating layers are overlapped, the size of a second connection point connecting the two adjacent sections of the outer insulating layers in the cable extending direction is 1-1.5 times of the diameter of the cable;

when two adjacent sections of the outer insulating layers are in butt joint connection, the size of a second connection position connecting the two adjacent sections of the outer insulating layers in the cable extending direction is 0mm-50mm.

Optionally, the bending radius of the cable is equal to or greater than 5 times the diameter of the cable.

Optionally, the thickness of the first connection part of two adjacent sections of the insulating layers is 0.1mm-8.0mm; the thickness of the second connecting part of the two adjacent sections of the outer insulating layers is 0.1mm-8.0mm.

Optionally, the thicknesses of two adjacent sections of the insulating layer differ by no more than 25%.

According to this novel cable of disclosing, have following beneficial effect:

1. through the utility model discloses in the novel cable that provides, can select suitable insulating layer according to the environment that the cable is located in the practical application process, satisfy different service environment to the demand of insulating layer, the cable cost of reduction increases market competition.

2. The joint of two adjacent sections of insulating layers is connected in a surrounding and sealing manner, so that electric leakage between the two sections of insulating layers is prevented, and casualties and property loss are avoided.

3. Through setting up the shielding layer, can shield the electromagnetic interference that the cable produced in the use, avoid disturbing other instruments and equipment. The shielding layer can reduce the interference of electromagnetic radiation generated by the cable to other electric devices in the vehicle.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic cross-sectional view of a cable with an insulating layer, a shielding layer and an outer insulating layer sleeved on the outer conductor of the present invention;

FIG. 2 is a schematic structural view of a cable with an insulating layer covering a conductor according to the present invention;

FIG. 3 is a schematic cross-sectional view of a cable with an insulating layer covering a conductor according to the present invention;

fig. 4 is a schematic structural view of the present invention, in which the thicknesses of two adjacent insulating layers sleeved on the outer conductor are different;

fig. 5 is a schematic structural view of the lap joint of two adjacent sections of insulating layers of the middle conductor jacket of the present invention.

The figures are labeled as follows:

1-a conductor; 2-an insulating layer; 3-a first junction; 4-a shielding layer; 5-an outer insulating layer; 6-second junction.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

A novel cable according to the present disclosure, as shown in fig. 1-5, includes,

the cable comprises a conductor 1 and an insulating layer 2 covering the periphery of the conductor 1, wherein the insulating layer 2 is arranged in a segmented manner, and at least two adjacent segments of the insulating layer 2 are different in material and/or thickness.

When the concrete implementation, through the utility model provides a novel cable can select suitable insulating layer 2 according to the environment that the cable is located at the practical application in-process, satisfies different service environment to insulating layer 2's demand, and the cable cost of reduction increases market competition.

In one embodiment, the cable penetrates through a metal plate from the inside of the automobile body of the automobile to be arranged in an engine compartment, the temperature resistance level in the automobile body is 105 ℃, the cable belongs to a dry area and a non-vibration area, and the requirements on the high-temperature resistance, the water resistance, the oil resistance and the wear resistance of the cable are not high. However, the temperature resistance level in the engine compartment is 125 ℃ or even 150 ℃, so the temperature resistance level of the cable is required to be higher, in addition, the engine compartment is a mixed environment with water and oil, the cable is required to be waterproof and oil-proof, and finally, the engine compartment is a vibration area, and the cable has good wear resistance. Therefore, the cable is generally required according to the standard of the cable in the engine compartment, and the cable has a long length in the vehicle body, so that the performance of the cable cannot be fully utilized, and the actual cable cost is high. Use the utility model discloses in the cable that provides, can adopt the segmentation to set up the insulating layer mode, it is lower to set up the requirement in that the automobile body is inside, and the insulating layer that requires is adopted in engine compartment to the higher insulating layer of low price to wholly reduce the cost of cable.

According to an embodiment of the novel cable disclosed by the disclosure, two adjacent sections of the insulating layers 2 are connected through a first joint 3, and the first joint 3 is connected with the two adjacent sections of the insulating layers 2 in a surrounding and sealing manner.

When the insulation structure is implemented specifically, the joint of the two adjacent sections of insulation layers is connected in a surrounding and sealing mode, so that electric leakage between the two sections of insulation layers is prevented, and casualties and property loss are avoided.

According to an embodiment of the novel cable disclosed by the present disclosure, two adjacent sections of the insulating layer 2 are in butt joint. Through with adjacent insulating layer 2 butt joint, can make two sections adjacent insulating layers 2 form a whole cover and establish in 1 periphery of conductor, play whole insulating effect, connect adjacent two insulating layers 2 through the butt joint mode, can not increase the external diameter of cable, make cable keep the uniformity in appearance, do not influence the outward appearance aesthetic feeling, also can not increase the degree of difficulty of assembly processes such as cable laying in-process perforation or card wire casing.

Furthermore, the size of the first connecting part 3 of two adjacent sections of the insulating layers 2 in the extending direction of the cable is 0-50 mm.

In specific implementation, the first joints 3 of two adjacent sections of the insulating layers 2 are connected by butting and bonding, and the size occupied by the bonding insulating glue is negligible, so that the size of the first joint 3 of two adjacent sections of the insulating layers 2 in the cable extending direction is 0.

The first connecting parts 3 of two adjacent insulating layers 2 are connected by means of butt joint and fusion connection, and the dimension of the first connecting parts 3 of two adjacent insulating layers 2 in the cable extending direction during fusion connection is verified by the following experiments.

The inventor selects a plurality of groups of cables with different sizes of the first connecting positions 3 in the cable extending direction to perform bending experiments, the cables used for the bending experiments have conductors with the same diameter and insulating layers with the same thickness, the bending radius is 5 times of the diameter of the cables, whether the first connecting positions are broken or not is observed every 50 times of bending, if the first connecting positions are broken, the experiment is stopped, and when the bending times are more than or equal to 2000 times, the size value of the first connecting positions is a qualified value.

TABLE 1 influence of the size of the first connection on the number of times the cable can be bent

As can be seen from table 1, the size of the first connection portion 3 is greater than 50mm, the number of times of bending the cable is less than 2000 times, and at this time, the size value of the first connection portion 3 is not qualified, so that the size of the first connection portion 3 of two adjacent sections of the insulating layers selected by the inventor in the cable extending direction is 0mm to 50mm.

According to an embodiment of the novel cable disclosed by the present disclosure, two adjacent sections of the insulating layers 2 are in lap joint. Through 2 overlap joint with adjacent insulating layer, can make two sections adjacent insulating layers 2 form a set of cover and establish in conductor 1 periphery, play whole insulating effect, connect two adjacent insulating layers 2 through the overlap joint mode, the junction has double-deck insulating layer, so increase at the intensity of junction insulating layer, when the cable need bend or be in the vibration environment, through connecting two insulating layer overlap joint modes, strengthen the intensity of cable insulating layer junction, the life of extension cable.

Furthermore, the size of the first connecting position 3 of two adjacent sections of the insulating layers 2 in the extending direction of the cable is 1-1.5 times of the diameter of the cable.

During specific implementation, after the two adjacent sections of insulating layers 2 are lapped, the two sections of insulating layers 2 are connected in a bonding or melting connection mode, the inventor only changes the size of a first connecting part 3 between the two adjacent sections of insulating layers 2 by adopting a cable with the same diameter, wherein the cable with the same diameter comprises a conductor with the same diameter and the insulating layers 2 with the same thickness, a bending experiment is carried out, the bending radius is 5 times of the diameter of the cable, the experiment is stopped when every 50 times of bending is carried out, whether the first connecting part 3 is broken or not is observed, and if the first connecting part is broken, the experiment is stopped, and when the bending times are more than or equal to 2000 times, the size value of the first connecting part 3 is a qualified value.

Table 2, the size of the first connection part 3 of two adjacent sections of the insulating layers 2 in the cable extending direction is the influence of the cable diameter multiple on the number of times that the cable can be bent

As can be seen from table 2, when the size of the first connection part 3 is smaller than one time of the diameter of the cable, the number of times of bending the cable is smaller than 2000 times, and at this time, the size value of the first connection part 3 is not qualified; when the size of the first connecting part 3 exceeds 1.5 times of the diameter of the cable, the number of times that the cable can be bent is gradually increased, but the oversize of the first connecting part 3 has no practical significance for practical production, and the oversize of the first connecting part 3 also increases the usage amount of the insulating layer and increases the production cost of the cable, so that the size of the first connecting part 3 of two adjacent sections of the insulating layers 2 in the cable extending direction selected by the inventor is 1-1.5 times of the diameter of the cable.

According to an embodiment of the novel cable disclosed by the disclosure, two adjacent sections of the insulating layers 2 are connected in an adhering manner. Through the bonding connection with adjacent insulating layer 2, can make adjacent two sections insulating layer 2 form an organic whole and establish in conductor 1 periphery, play whole insulating effect, when the material performance of two adjacent insulating layers 2 differed greatly, realize being connected between the two through the mode of bonding, convenient and fast and easy operation.

In an embodiment of the novel cable according to the present disclosure, two adjacent sections of the insulating layer 2 are fusion-connected. Through the fusion connection of adjacent insulating layers 2, two adjacent sections of insulating layers 2 can form an integral sleeve to be sleeved on the periphery of the conductor 1, so that the integral insulation effect is achieved, when the material properties of two adjacent insulating layers 2 are similar, the two insulating layers are connected in a fusion mode, the adjacent insulating layers are better combined at the joint, the two adjacent insulating layers are fused and connected into a whole, and the service life of the cable is prolonged.

According to an embodiment of the novel cable disclosed by the present disclosure, the conductor 1 is made of a flexible conductor and/or a rigid conductor.

Further, the flexible conductor is a multi-core cable or a braided cable or a soft row formed by overlapping a plurality of layers of thin plates.

During the concrete implementation, the conductor 1 can use flexible conductor at the department that needs to bend, does not need to bend to use rigid conductor, satisfies the demand of different service environments to the cable. The flexible conductor can select a multi-core cable or a braided cable or a soft row stacked by multiple layers of thin plates according to actual needs; the flexible conductor can reduce the difficulty of laying in the process of assembling the vehicle.

The use of rigid conductor can be at the in-process of constituteing the vehicle, reduces the friction between cable and the car shell panel beating, can reduce the use of mounting simultaneously, also can be the firm installation on the car shell of cable, reduces the use of mounting, reduce cost and the installation degree of difficulty.

According to an embodiment of the disclosed novel cable, the periphery of the insulating layer 2 is coated with a shielding layer 4, and the material of the shielding layer 4 is a metal sleeve, a conductive plastic sleeve, a metal foil winding belt layer, a metal wire woven sleeve, a conductive coating layer or a conductive coating layer.

Through setting up shielding layer 4, can shield the electromagnetic interference that the cable produced in the use, avoid disturbing other instruments and equipment. The shielding layer 4 can reduce the interference of the electromagnetic radiation generated by the cable to other electric devices in the vehicle.

The conductive plastic sleeve, the conductive coating or the conductive coating are used, so that the use of shielding net weaving equipment is reduced, the occupied area is small, the processing cost of the cable is reduced, and the production cost of the cable is reduced.

The metal sleeve improves the shielding effect of the shielding layer, so that the periphery of the cable has no dead angle to play a role in shielding, and the electromagnetic field generated when the cable works is prevented from interfering the use of external power utilization setting, thereby achieving the complete shielding effect.

The metal foil winding belt layer is wound on the outer side of the conductor in a winding process, and the winding belt is spirally wound on the outer side of the conductor in a superposed mode, so that the shielding effect is better.

The metal wire braided sleeve is good in flexibility, does not affect cable bending, and can reduce interference of electromagnetic radiation generated by the cable on other electric devices in the vehicle.

Furthermore, the periphery of the shielding layer 4 is coated with an outer insulating layer 5, the outer insulating layer 5 is arranged in sections and is connected end to end through at least one second joint 6, at least two adjacent sections of the outer insulating layer 5 are different in material and/or thickness, and the second joint 6 surrounds and is hermetically connected with the two adjacent sections of the outer insulating layer 5.

The outer insulating layer 5 can further ensure the insulating effect of the cable and avoid disasters. Simultaneously with 5 segmentation of outer insulating layer and end to end connection settings, can select suitable insulating layer 2 according to the environment that the cable is located in practical application process, satisfy different service environment to insulating layer 2's demand, the cable cost that reduces increases market competition. The two adjacent external insulation layers 5 are connected by butt joint, lap joint, bonding or fusion, so that the two adjacent external insulation layers 5 form an integral sleeve which is sleeved on the periphery of the shielding layer 4, and the integral insulation effect is achieved.

The two adjacent outer insulating layers 5 are connected in a butt joint mode, so that the outer diameter of the cable is not increased, and the appearance of the cable is kept consistent.

Connect two adjacent outer insulating layer 5 through the overlap joint mode, the junction has double-deck insulating layer, so the intensity at the junction insulating layer increases, when the cable need bend or be in the vibration environment, through connecting 5 overlap joint modes of outer insulating layer, the intensity of reinforcing cable insulating layer junction, the life of extension cable.

When the material properties of two adjacent outer insulating layers 5 are different greatly, the two outer insulating layers are connected in a bonding mode, so that the method is convenient, quick and simple to operate.

When the material properties of two adjacent outer insulating layers 5 are similar, the two outer insulating layers 5 are connected in a melting mode, the adjacent outer insulating layers 5 are better combined at the joint, and the two adjacent outer insulating layers 5 are connected into a whole in a melting mode, so that the service life of the cable is prolonged.

Further, when two adjacent sections of the outer insulating layers 5 are lapped, the size of a second joint 6 connecting the two adjacent sections of the outer insulating layers 5 in the extension direction of the cable is 1-1.5 times of the diameter of the cable; when two adjacent sections of the outer insulation layers 5 are in butt joint connection, the size of a second joint 6 connecting the two adjacent sections of the outer insulation layers 5 in the extension direction of the cable is 0-50 mm.

In specific implementation, when two adjacent sections of the outer insulating layers 5 are lapped, the size of the second joint 6 connecting the two adjacent sections of the outer insulating layers 5 in the cable extending direction is 1 to 1.5 times the diameter of the cable, and the second joint can be verified by the experimental method related in table 2, which is concise in text and will not be described again.

When two adjacent sections of the outer insulation layers 5 are in butt joint connection, the size of a second joint 6 connecting the two adjacent sections of the outer insulation layers 5 in the extension direction of the cable is 0-50 mm. The verification can be performed by the experimental method referred to in table 1, and is concise and not described again.

Further, the bending radius of the cable is more than or equal to 5 times of the diameter of the cable.

During specific implementation, the bending radius of the cable is more than or equal to 5 times of the diameter of the cable, namely the cable meets the international convention requirement, if the bending radius of the cable is less than 5 times of the diameter of the cable, the cable can be damaged, so when the bending radius of the cable is equal to 5 times of the diameter of the cable, a first connecting part between adjacent insulating layers is not broken, and similarly, if the bending radius of the cable is less than 5 times of the diameter of the cable, a second connecting part between adjacent outer insulating layers is not broken, namely the cable meets the requirement.

Further, the thickness of the first connecting position of two adjacent sections of the insulating layers is 0.1mm-8.0mm; the thickness of the second connecting part of the two adjacent sections of the outer insulating layers is 0.1mm-8.0mm.

In specific implementation, the inventor selects a plurality of groups of cables with two sections of insulating layers to perform an insulation voltage breakdown experiment at the first connecting position, the applied voltage is 1.0KV, if the first connecting position 3 is broken down, the experiment is stopped, and the insulation voltage-withstand performance of the first connecting position 3 is unqualified. And (3) performing a bending experiment on the cable which is not punctured, stopping the experiment if the cable is broken at the first connecting part 3 when the bending radius is 5 times of the diameter of the cable, continuing the bending experiment if the cable is not broken, observing whether the first connecting part 3 is broken or not every 50 times of bending, stopping the experiment if the first connecting part is broken, and setting the size value of the first connecting part as a qualified value when the bending times are more than or equal to 2000 times.

When the thickness of the first connecting part 3 is less than or equal to 0.16mm, the two adjacent insulating layers 2 are in butt joint, the other first connecting parts 3 are in butt joint or lap joint between the two adjacent insulating layers, and the thickness difference between the two adjacent insulating layers is not more than 25%.

TABLE 3 influence of the thickness of the first connection point 3 of two adjacent sections of the insulating layer 2 on the breakdown voltage, which can be bent, of the cable

As can be seen from table 3, when the thickness of the first connection portion 3 is less than 0.1mm, and 1.0KV is applied to the first connection portion 3, the first connection portion 3 is broken down, so that when the thickness of the insulating layer 2 is less than 0.1mm, the two adjacent insulating layers 2 are not connected properly in a butt joint manner;

aiming at the cable which is not punctured, a bending experiment is carried out, when the bending radius is 5 times of the diameter of the cable, and the thickness of the first connecting part 3 is more than 8mm, the first connecting part can be broken, so that the cable is unqualified when the thickness of the first connecting part is more than 8 mm;

when the thickness of the first connecting part of two adjacent sections of the insulating layers is 0.1mm-8.0mm, the first connecting part is not punctured, the first connecting part is not broken when the bending radius is 5 times of the diameter of the cable, and the bending times of the cable can reach more than 2000 times, which is a qualified value, so the thickness of the first connecting part of two adjacent sections of the insulating layers is 0.1mm-8.0mm, and is further preferably 0.16mm-7mm.

Through the same experimental method, the thickness of the second joint 6 of the two adjacent sections of the outer insulating layers 5 is selected by the inventor to be 0.1mm-8.0mm, and is further preferably 0.16mm-7mm, so that the description is omitted for brevity.

In an embodiment of the novel cable according to the present disclosure, the thicknesses of two adjacent sections of the insulating layer 2 differ by no more than 25%.

During specific implementation, the thicknesses of the two adjacent sections of insulating layers 2 are not easy to differ too much, the difference between the thicknesses is not more than 25%, the overall consistency and the appearance identity of the cable are not affected, and the inconvenience caused by the overlarge appearance difference of the same cable in the subsequent packaging, transportation and use processes is avoided.

In order to demonstrate the influence of the difference of the thicknesses of two adjacent sections of the insulating layers 2 on the cable package, the inventor selects conductors with the same specification, in the standard embodiment, the outer sides of the conductors are coated with the insulating layers with the same specification, the thickness of the insulating layers in the standard embodiment is set as a, and at the moment, a 1000-axis reel can be wound with 1600 meters of cables; in the other comparative examples, the thickness of the insulating layer was different from that in the standard example, the cable having a length of more than 1500 m could be wound on the reel of 1000 reels as a passing value, and the length of the cable capable of being wound in the comparative test was filled in table 4, and the cable having a length of less than 1500 m on 1000 reels was not acceptable.

TABLE 4 insulation layers of different thicknesses correspond to the length of 1000 spools of cable that can be wound

As can be seen from table 4, when the thickness of the insulating layer in the comparative example is 1.25 times or less of the thickness of the insulating layer in the standard example, the length of the cable that can be wound around the 1000-axis reel is more than 1500 meters, which is satisfactory, so the difference between the thicknesses of the two adjacent sections of the insulating layer 2 selected by the inventor is not more than 25%.

In addition, the thickness of the insulating layer 2 of cable differs too greatly, and in the cable course of working, when using automatic equipment to cut and skin, the size that cuts is inaccurate, and the condition such as incomplete of skinning takes place, influences the product quality of production process. In the process of installing the cable, when the situation of punching or clamping a wire groove is needed, the situation that the cable cannot be punched or installed can be caused due to the difference of the outer diameters of the cable, and therefore the thickness difference of different insulating layers on the cable is not more than 25%.

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (16)

1. A novel cable, characterized in that it comprises,

the insulation layer sets up in segmentation, and at least two sections adjacent the material and/or the thickness of insulation layer are different.

2. The novel cable of claim 1, wherein adjacent sections of said insulation layer are connected by a first joint, said first joint sealingly connecting adjacent sections of said insulation layer around.

3. The novel cable of claim 2, wherein adjacent sections of said insulation layers are butt joined.

4. The novel cable according to claim 3, wherein the first connection of two adjacent sections of the insulating layers has a dimension in the direction of cable extension of 0mm to 50mm.

5. The novel cable according to claim 1, wherein adjacent two sections of said insulating layer are lap joined.

6. The novel cable according to claim 4, wherein the first connection of two adjacent sections of the insulating layers has a dimension in the cable extending direction of 1 to 1.5 times the diameter of the cable.

7. The novel cable of claim 2, wherein adjacent sections of said insulation are adhesively connected.

8. The novel cable of claim 2 wherein adjacent sections of said insulating layer are fusion bonded.

9. The novel cable according to claim 2, characterized in that the conductor material is a flexible conductor and/or a rigid conductor.

10. The novel cable of claim 9, wherein the flexible conductor is a multi-core cable or a braided cable or a multi-layer sheet-stacked flexible row.

11. The novel cable according to claim 2, wherein the insulation layer is coated with a shielding layer, and the shielding layer is made of a metal sleeve, a conductive plastic sleeve, a metal foil winding tape layer, a metal wire braided sleeve, a conductive coating layer or a conductive plating layer.

12. The novel cable according to claim 11, wherein the outer circumference of the shielding layer is covered with an outer insulating layer, the outer insulating layer is arranged in segments and connected end to end through at least one second joint, at least two adjacent segments of the outer insulating layer are different in material and/or thickness, and the second joint is connected with the two adjacent segments of the outer insulating layer in a surrounding and sealing manner.

13. The novel cable according to claim 12, wherein when two adjacent sections of the outer insulating layers are lapped, the size of a second connecting position connecting the two adjacent sections of the outer insulating layers in the extending direction of the cable is 1-1.5 times of the diameter of the cable; when two adjacent sections of the outer insulating layers are in butt joint connection, the size of a second connection position connecting the two adjacent sections of the outer insulating layers in the cable extending direction is 0mm-50mm.

14. The novel cable of claim 12, wherein the bend radius of the cable is equal to or greater than 5 times the diameter of the cable.

15. The novel cable according to claim 12, wherein the thickness of the first connection between two adjacent sections of the insulating layers is 0.1mm-8.0mm; the thickness of the second joint of the two adjacent sections of the outer insulating layers is 0.1mm-8.0mm.

16. The novel cable of claim 12 wherein the thicknesses of adjacent segments of said insulating layer differ by no more than 25%.

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