CN216597069U - Cable assembly - Google Patents

Abstract

The application discloses cable subassembly belongs to cable technical field. The cable assembly comprises a cable main body and a sealing element, wherein the cable main body comprises at least two lead groups and a first electromagnetic shielding layer, the first electromagnetic shielding layer wraps all the lead groups, and the first electromagnetic shielding layer is in contact with the lead groups; the sealing element is arranged at the end part of the cable main body along the extending direction of the cable main body and comprises a first sealing part, the first sealing part is used for sealing a gap between the lead group and the first electromagnetic shielding layer, and the first sealing part is arranged between the lead group and the first electromagnetic shielding layer. According to the arrangement, the sealing element seals the gap between the lead group and the first electromagnetic shielding layer, so that a water vapor transmission path is blocked, and the waterproof performance is ensured; moreover, the first electromagnetic shielding layer wraps the peripheries of all the lead groups, so that the first electromagnetic shielding layer can electromagnetically shield all the lead groups, the electromagnetic shielding performance of the cable assembly is ensured, and the waterproof performance and the electromagnetic shielding performance can be simultaneously ensured.

Description

Cable assembly

Technical Field

The application belongs to the technical field of cables, and particularly relates to a cable assembly.

Background

Presently, as shown in fig. 1 and 2, the cable 1 disclosed in the related art includes a plurality of conductive wires 101, an insulating layer 102, and an electromagnetic shield layer 103 which are gathered together. Wherein, the surface parcel of every wire 101 has insulating layer 102 to utilize electromagnetic shield layer 103 to wrap many wires 101 together, promote the electromagnetic compatibility performance of cable 1 promptly anti-electromagnetic interference ability, electromagnetic shield layer 103 and insulating layer 102 direct contact, electromagnetic shield layer 103 can be aluminium foil or other metal foils.

The waterproof means of the cable 1 is usually dispensing at a specific position to block the water vapor transmission path. Since the gap between the insulating layer 102 and the electromagnetic shielding layer 103 cannot be sealed by dispensing on the outer surface of the electromagnetic shielding layer 103, the electromagnetic shielding layer 103 is usually partially removed and then dispensing is performed on the surface of the insulating layer 102, so as to seal the conductive wire 101 and the insulating layer 102 and ensure the sealing property. However, the electromagnetic leakage is liable to occur at the position lacking the electromagnetic shielding layer 103, and the electromagnetic compatibility is deteriorated. Therefore, both waterproof performance and electromagnetic compatibility cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims to provide a cable assembly, and the problem that a waterproof performance and an electromagnetic compatibility performance cannot be considered simultaneously by a cable in the related technology can be solved.

The embodiment of the application provides a cable subassembly, cable subassembly includes cable main part and sealing member, wherein:

the cable main body comprises at least two lead groups and a first electromagnetic shielding layer, the first electromagnetic shielding layer wraps all the lead groups, and the first electromagnetic shielding layer is in contact with the lead groups;

the sealing element is arranged at the end part of the cable assembly along the extending direction of the cable assembly and comprises a first sealing part, the first sealing part is used for sealing a gap between the lead group and the first electromagnetic shielding layer, and the first sealing part is arranged between the lead group and the first electromagnetic shielding layer.

In the embodiment of the application, the first sealing part seals the gap between the lead group and the first electromagnetic shielding layer, so that a water vapor transmission path is blocked, water vapor is prevented from contacting the lead group, and the waterproof performance is ensured; and, because first electromagnetic shield layer parcel is in the periphery of all wire groups, so first electromagnetic shield layer all carries out the electromagnetic shield to all wire groups, guarantees electromagnetic shield effect, simultaneously, because the sealing member sets up the tip at the cable main part, can directly utilize the sealing member to seal between wire group and first electromagnetic shield layer, need not to get rid of the part of first electromagnetic shield layer and carry out waterproof measure again, so can not have the position of no electromagnetic shielding effect, guarantee cable assembly's electromagnetic shielding performance.

Therefore, the scheme can simultaneously ensure the waterproof performance and the electromagnetic shielding performance.

Drawings

FIG. 1 is a cross-sectional schematic view of a cable disclosed in the background of the present application;

FIG. 2 is a schematic structural view of a cable disclosed in the background of the present application;

fig. 3 is a cross-sectional schematic view of a cable assembly as disclosed in an embodiment of the present application;

fig. 4 is a schematic structural view of a cable assembly disclosed in an embodiment of the present application;

FIG. 5 is a schematic structural view of a seal position disclosed in an embodiment of the present application;

fig. 6 is a schematic structural view of a cable assembly disclosed in another embodiment of the present application.

Description of reference numerals:

1-a cable; 101-a wire; 102-an insulating layer; 103-an electromagnetic shielding layer;

100-a wire set; 110 — a first conductive line; 120-a first insulating layer; 130-a second electromagnetic shielding layer;

200-a first electromagnetic shield layer; 210-a first metal foil layer; 220-a metal mesh layer;

300-waterproof layer;

400-a seal; 410-a first seal; 420-a second seal; 430-a third seal; 440-a fourth seal;

500-a wire; 510-a second conductive line; 520-a second insulating layer;

600-a ground terminal;

710-a plug; 711-a metal housing; 720-connecting terminal;

810-a first cable section; 820-second cable section.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one.

The cable assembly provided by the embodiments of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Referring to fig. 3 to 6, the present invention discloses a cable assembly, which includes a cable main body and a sealing member 400, wherein the cable main body is used for power transmission, electrical communication and winding of a coil or a winding for an electrical device, and the sealing member 400 is disposed on the cable main body for sealing to ensure waterproof performance.

Referring to fig. 3 and 4, the cable body includes at least two conductor sets 100 and a first electromagnetic shielding layer 200, each conductor set 100 is disposed in close proximity, the first electromagnetic shielding layer 200 surrounds all conductor sets 100, and the first electromagnetic shielding layer 200 is in contact with the conductor sets 100, that is, the first electromagnetic shielding layer 200 surrounds all conductor sets 100. In this way, the first electromagnetic shielding layer 200 performs an electromagnetic shielding function on all the conductor sets 100.

Furthermore, in the extending direction of the cable main body, the size of the first electromagnetic shielding layer 200 is greater than or equal to the size of the wire group 100, that is, the length of the first electromagnetic shielding layer 200 is greater than or equal to the length of the wire group 100. The extending direction of the cable main body is the X direction in fig. 4, and is also the longitudinal direction of the cable main body.

In the present embodiment, as shown in fig. 4, the length of the wire group 100 is equal to the length of the first electromagnetic shielding layer 200. Of course, the length of the first electromagnetic shielding layer 200 may also be greater than the length of the wire group 100, but the length of the first electromagnetic shielding layer 200 may not be less than the length of the wire group 100, so as to avoid electromagnetic leakage at some parts of the cable body due to lack of electromagnetic shielding performance.

The sealing member 400 is disposed at an end of the cable body along an extending direction of the cable body, the sealing member 400 includes a first sealing portion 410, as shown in fig. 3, the first sealing portion 410 is used for sealing a gap between the wire group 100 and the first electromagnetic shielding layer 200, the first sealing portion 410 is disposed between the wire group 100 and the first electromagnetic shielding layer 200, and the first sealing portion 410 is connected to both the wire group 100 and the first electromagnetic shielding layer 200.

Alternatively, the first sealing portion 410 may be a sealing glue, or may be a rubber sealing member, or may be another member for performing a sealing function.

With such an arrangement, the first sealing portion 410 seals the gap between the lead group 100 and the first electromagnetic shielding layer 200, so as to block the water vapor transmission path, prevent water vapor from contacting the lead group 100, and ensure the waterproof performance; moreover, because first electromagnetic shield layer 200 wraps up in the periphery of all wire groups 100, so first electromagnetic shield layer 200 all carries out the electromagnetic shield to all wire groups 100, guarantee electromagnetic shielding effect, simultaneously, because sealing member 400 sets up the tip at the cable main part, can directly utilize sealing member 400 to seal between wire group 100 and first electromagnetic shield layer 200, need not to adopt waterproof measure again after getting rid of first electromagnetic shield layer 200's part, so can not have the position of no electromagnetic shielding effect, the electromagnetic shielding performance of cable subassembly has been guaranteed.

Therefore, the scheme can simultaneously ensure the waterproof performance and the electromagnetic shielding performance.

In addition, in the related art, the electromagnetic shielding layer is disposed at some position of the cable, and the electromagnetic shielding layer is not disposed at some position of the cable, so that the overall structure of the cable is different, and the impedance fluctuation of the entire cable is large. In the technical solution of the present application, the length of the wire group 100 is equal to the length of the first electromagnetic shielding layer 200, so the wire structures at the positions of the cable main body are the same, and the impedance stability is good.

In the present embodiment, the first sealing portion 410 is a sealant. Because the gap between the wire group 100 and the first electromagnetic shielding layer 200 is irregular, the sealant is dispensed between the wire group 100 and the first electromagnetic shielding layer 200 by a dispensing technique, and the gap between the wire group 100 and the first electromagnetic shielding layer 200 can be sufficiently sealed by utilizing the fluidity of the sealant. Moreover, the sealant has a connection performance, and is used for connecting the wire group 100 and the first electromagnetic shielding layer 200, so as to realize the relative fixation between the wire group 100 and the first electromagnetic shielding layer 200.

In an alternative embodiment, as shown in fig. 3, the first electromagnetic shielding layer 200 includes a first metal foil layer 210 and a metal mesh layer 220, the first metal foil layer 210 wraps all the wire groups 100, the metal mesh layer 220 wraps an outer circumference of the first metal foil layer 210, and a first sealing part 410 is disposed between the wire groups 100 and the first metal foil layer 210. Specifically, the first metal foil layer 210 may be a copper foil or an aluminum foil, and similarly, the metal mesh layer 220 may be a copper mesh, an aluminum mesh, or another metal mesh. In this embodiment, the first metal foil layer 210 is an aluminum foil, and the metal mesh layer 220 is a metal mesh.

With such an arrangement, the first metal foil layer 210 and the metal mesh layer 220 both have electromagnetic shielding performance, and both shield electromagnetic interference from the outside to the lead group 100; moreover, compared with the technical scheme that the metal foil layer is wrapped on the surface of the lead group 100 in the related art, the metal mesh layer 220 is added, and the electromagnetic shielding performance is further improved.

In an alternative embodiment, the cable body further includes a waterproof layer 300, and the waterproof layer 300 is wrapped around the first electromagnetic shielding layer 200. The waterproof layer 300 is made of PVC (Polyvinyl chloride), and certainly, the waterproof layer 300 may be made of other materials, and may have a waterproof function to protect the first electromagnetic shielding layer 200 therein.

So set up, increase waterproof layer 300, protect and waterproof first electromagnetic shield layer 200.

In this embodiment, the sealing member 400 includes a second sealing part 420, the second sealing part 420 sealing a gap between the waterproof layer 300 and the first electromagnetic shielding layer 200, the second sealing part 420 being disposed between the waterproof layer 300 and the first electromagnetic shielding layer 200, the second sealing part 420 being connected to the waterproof layer 300 and the first electromagnetic shielding layer 200, respectively.

Specifically, the second sealing portion 420 may be a sealant or a sealant ring, or of course, may be another sealing member 400, and may be configured to seal an annular gap between the waterproof layer 300 and the first electromagnetic shielding layer 200. In this embodiment, the second sealing part 420 is a sealant for connecting the inner surface of the waterproof layer 300 and the outer surface of the first metal foil layer 210. The first sealing portion 410 and the second sealing portion 420 may be connected to each other to form an integral structure or may be separated from each other.

So set up, utilize sealed glue, can enough connect waterproof layer 300 and first electromagnetic shield layer 200, realize the relative first electromagnetic shield layer 200 fixed in position of waterproof layer 300, can utilize its mobility to fully seal the clearance between waterproof layer 300 and the first electromagnetic shield layer 200 again, great degree promotes waterproof performance.

In an alternative embodiment, as shown in fig. 3, the wire set 100 includes at least two first wires 110, at least two first insulating layers 120, and a second electromagnetic shielding layer 130. The first insulating layer 120 wraps the periphery of the first wires 110, and the first insulating layers 120 correspond to the first wires 110 one to one, that is, the first insulating layer 120 wraps the surface of each first wire 110. The second electromagnetic shielding layer 130 surrounds the at least two first wires 110 and the at least two first insulating layers 120, and an inner surface of the second electromagnetic shielding layer 130 is in contact with the first insulating layers 120 and an outer surface of the second electromagnetic shielding layer 130 is in contact with the first electromagnetic shielding layer 200.

That is, the second electromagnetic shielding layer 130 wraps at least two first wires 110 and at least two first insulating layers 120, and the first electromagnetic shielding layer 200 wraps all of the second electromagnetic shielding layers 130. Also, the outer surfaces of the adjacent second electromagnetic shielding layers 130 are in contact, and the outer surfaces of the adjacent first insulating layers 120 are also in contact.

Alternatively, each wire set 100 may include two first wires 110, in which case one of the first wires 110 is connected to the positive pole of the power source, and the other first wire 110 is connected to the negative pole of the power source; of course, each wire set 100 may also include a plurality of first wires 110, in which case, two of the first wires 110 are respectively connected to the positive electrode and the negative electrode of the power supply, and the rest of the first wires 110 are grounded. In the present embodiment, the first electromagnetic shielding layer 200 wraps four wire groups 100, and each wire group 100 includes two first wires 110.

Specifically, the second electromagnetic shielding layer 130 may be a second metal foil layer, and the metal foil layer may be a copper foil or an aluminum foil; the first insulating layer 120 may be a rubber layer or a plastic layer, or may be an insulating layer made of other materials capable of providing an insulating effect.

With such an arrangement, in addition to the first electromagnetic shielding layer 200 shielding the external electromagnetic interference to the wire group 100, the second electromagnetic shielding layer 130 can also shield the electromagnetic interference between the wire groups 100, thereby further improving the electromagnetic shielding performance.

In a further aspect, the sealing member 400 includes a third sealing part 430, the third sealing part 430 is used for sealing a gap between the first insulating layer 120 and the second electromagnetic shielding layer 130, the third sealing part 430 is disposed between the second electromagnetic shielding layer 130 and the first insulating layer 120, and the third sealing part 430 is connected with the second electromagnetic shielding layer 130 and the first insulating layer 120, respectively. Specifically, the third sealing portion 430 may be a sealant or a rubber sealing member, and of course, may be another sealing member 400 capable of achieving a sealing effect.

In this embodiment, the third sealing portion 430 is a sealant for connecting the inner surface of the second electromagnetic shielding layer 130 and the outer surface of the first insulating layer 120, and the third sealing portion 430, the first sealing portion 410 and the second sealing portion 420 may be connected as an integral structure or a separate structure.

So set up, utilize sealed glue, can enough connect first insulating layer 120 and second electromagnetic shield layer 130, realize that second electromagnetic shield layer 130 is fixed in position relative to first insulating layer 120, can utilize its mobility to fully seal the clearance between first insulating layer 120 and the second electromagnetic shield layer 130 again, great degree promotion waterproof performance.

In a further technical solution, as shown in fig. 4 and 5, the cable assembly further includes an electric wire 500 and a connection terminal 720, the electric wire 500 is disposed at an end of the conductor set 100, and one end of the electric wire 500 is electrically connected to the first electromagnetic shielding layer 200, and the other end of the electric wire 500 is electrically connected to the connection terminal 720. The electric wire 500 and the first electromagnetic shielding layer 200, and the electric wire 500 and the connection terminal 720 can be electrically connected by welding or the like.

Specifically, the first electromagnetic shielding layer 200 includes a first metal foil layer 210 and a metal mesh layer 220, the first metal foil layer 210 is connected to the metal mesh layer 220, the metal mesh layer 220 is formed by weaving a plurality of metal wires, and at an end of the first electromagnetic shielding layer 200, ends of the metal wires are woven together to form a strand and connected to the electric wire 500, so that the electric wire 500 is electrically connected to the first electromagnetic shielding layer 200.

In this embodiment, the ground terminal 600 is a terminal connected to a ground body, the ground terminal 600 may be an OT terminal, and the OT terminal may be a round silver-plated terminal or a round bare terminal, and is connected by a bolt, but the ground terminal 600 may also be another kind of ground terminal 600.

So set up, utilize electric wire 500 and ground terminal 600 to first electromagnetic shield layer 200 ground connection, reduce ground resistance, go out the absorptive electromagnetic energy release of first electromagnetic shield layer 200, avoid appearing electrocuteeing danger.

Optionally, the sealing member 400 includes a fourth sealing part 440, and the fourth sealing part 440 wraps a connection of the electric wire 500 and the first electromagnetic shielding layer 200. Specifically, the fourth sealing portion 440 may be a sealant or a rubber sealing member, and of course, may be another sealing member 400 capable of covering the connection between the wire 500 and the metal mesh layer 220.

In this embodiment, the fourth sealing portion 440 is a sealant, and the sealing process is to fill the sealant at the joint of the wire 500 and the metal mesh layer 220, so that the sealant covers the joint of the two. The fourth sealing portion 440 is integrally formed with the first sealing portion 410, the second sealing portion 420, and the third sealing portion 430.

With such an arrangement, the electric shock hazard caused by the exposed joint of the electric wire 500 and the second electromagnetic shielding layer 130 is avoided through the fourth sealing part 440, and the safety performance is further ensured.

In an alternative embodiment, the wire 500 includes a second conductive wire 510 and a second insulating layer 520, wherein the second insulating layer 520 is wrapped around the second conductive wire 510, a first portion of the second conductive wire 510 extends from a port of the second insulating layer 520 and is connected to the first electromagnetic shielding layer 200, and the other end of the second conductive wire 510 is connected to the ground terminal 600. The fourth sealing part 440 wraps the connection between the second conductive wire 510 and the first electromagnetic shielding layer 200 and also wraps the first portion of the second conductive wire 510. The end of the second conductive wire 510 is electrically connected to the portion where the metal wire is woven into one strand by riveting or welding.

With such an arrangement, the fourth sealing portion 440 not only seals the joint between the electric wire 500 and the second electromagnetic shielding layer 130, but also wraps the exposed portion of the second conductive wire 510, thereby avoiding electric shock hazard caused by contacting the exposed portion of the second conductive wire 510, and further ensuring safety performance.

In this embodiment, there is a potting region between the electric wire 500 and the cable main body, the sealant fills the potting region, the potting region includes a gap between the first electromagnetic shielding layer 200 and the second electromagnetic shielding layer 130, a gap between the second electromagnetic shielding layer 130 and the first insulating layer 120, and a gap between the first electromagnetic shielding layer 200 and the waterproof layer 300, and the end of the waterproof layer 300 and the end of the second insulating layer 520 both partially extend into the potting region.

In an alternative embodiment, as shown in fig. 4 and 6, the cable assembly further includes a plug 710 and a terminal block 720, the plug 710 and the terminal block 720 are respectively disposed at two ends of the cable main body, the plug 710 is used for connecting an external socket, and the terminal block 720 is used for connecting an external device or other cable assembly. The plug 710 is electrically connected to one end of each wire group 100, the sealing member 400 and the connection terminal 720 are disposed at the other end of each wire group 100, and the other end of each wire group 100 is electrically connected to the connection terminal 720. Specifically, the plug 710 is electrically connected to one end of each of the first wires 110, and the other end of each of the first wires 110 is electrically connected to the connection terminal 720, respectively.

Thus, the plug 710 can transmit an external electrical signal to each first wire 110, and the connection terminal 720 can transmit an electrical signal to an external device or other cable assembly.

It should be noted that, since each first conducting wire 110 is connected to the connection terminal 720, a part of the first conducting wire 110 extends from the port of the first electromagnetic shielding layer 200 and also from the port of the second electromagnetic shielding layer 130, the maximum size of the extending part is 30mm, and even if the section is exposed, the section can meet the testing requirement of the electromagnetic shielding performance.

Optionally, the plug 710 includes a metal housing 711, and the metal housing 711 is connected to the first electromagnetic shielding layer 200. Specifically, the metal shell 711 and the metal mesh layer 220 may be directly contacted, or may be connected by welding, or may be connected by other connection methods. In this embodiment, the metal mesh layer 220 is connected to the metal housing 711 at any position in the circumferential direction of the cable assembly.

With such an arrangement, the metal shell 711 and the first electromagnetic shielding layer 200 both have electromagnetic shielding performance, and are connected into a whole, so that the risk of electromagnetic leakage is reduced.

In an alternative embodiment, as shown in fig. 6, the cable main body includes at least two first cable parts 810 and second cable parts 820, the number of plugs 710 is also at least two, and the number of first cable parts 810 is the same as the number of plugs 710 and corresponds to one plug. The plug 710 is connected to a first end of the corresponding first cable part 810, a second end of each first cable part 810 is connected to one end of the second cable part 820, and the connection terminal 720 is connected to the other end of the second cable part 820.

Specifically, each of the first and second cable parts 810 and 820 includes at least two wire sets 100 and at least two first electromagnetic shielding layers 200. Each wire group 100 of the first cable part 810 is electrically connected to the corresponding plug 710, each wire group 100 of the first cable part 810 is connected to each wire group 100 of the second cable part 820 in a one-to-one correspondence manner, and each wire group 100 of the second cable part 820 is electrically connected to the connection terminal 720. Thus, the electrical signal received by any one of the plugs 710 can be finally transmitted to the connection terminal 720 through the corresponding first cable part 810 and the second cable part 820.

Of course, in other embodiments, the plug 710 may be replaced by other terminals, i.e., the respective wire sets 100 of the first cable part 810 may be electrically connected to the terminals.

It should be noted that the components directly electrically connected to the plug 710 and the connection terminal 720 are all the first wires 110 of the wire set 100.

So set up, different plugs 710 can be connected through two at least first cable portions 810 to the cable subassembly, and then are applied to different occasions, realize different functions.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (11)

1. A cable assembly comprising a cable body and a seal (400), wherein:

the cable main body comprises at least two lead groups (100) and a first electromagnetic shielding layer (200), the first electromagnetic shielding layer (200) wraps all the lead groups (100), and the first electromagnetic shielding layer (200) is in contact with the lead groups (100);

the sealing element (400) is arranged at the end part of the cable main body along the extending direction of the cable main body, the sealing element (400) comprises a first sealing part (410), the first sealing part (410) is used for sealing the gap between the lead group and the first electromagnetic shielding layer (200), and the first sealing part (410) is arranged between the lead group (100) and the first electromagnetic shielding layer (200).

2. The cable assembly of claim 1, wherein the first electromagnetic shield layer (200) comprises a first metal foil layer (210) and a metal mesh layer (220), the first metal foil layer (210) wrapping all of the conductor sets (100), the metal mesh layer (220) wrapping an outer circumference of the first metal foil layer (210), the first seal (410) being disposed between the conductor sets (100) and the first metal foil layer (210).

3. The cable assembly of claim 1, wherein the cable body further comprises a water barrier (300), the seal (400) comprising a second sealing portion (420), wherein:

waterproof layer (300) parcel is in the periphery of first electromagnetic shield layer (200), second sealing (420) are used for sealing waterproof layer (300) with clearance between first electromagnetic shield layer (200), second sealing (420) are located waterproof layer (300) with between first electromagnetic shield layer (200).

4. The cable assembly of claim 1, wherein the conductor set (100) comprises at least two first conductors (110), at least two first insulating layers (120), and a second electromagnetic shielding layer (130), wherein:

the first insulating layer (120) wraps the periphery of the first wire (110), the first insulating layer (120) corresponds to the first wire (110) one by one, the second electromagnetic shielding layer (130) surrounds the at least two first wires (110) and the at least two first insulating layers (120), the second electromagnetic shielding layer (130) is in contact with the first insulating layer (120) and the first electromagnetic shielding layer (200), and the first sealing portion (410) is arranged between the second electromagnetic shielding layer (130) and the first electromagnetic shielding layer (200).

5. The cable assembly of claim 4, wherein the seal (400) comprises a third sealing portion (430), the third sealing portion (430) being for sealing a gap between the first insulating layer (120) and the second electromagnetic shielding layer (130), the third sealing portion (430) being provided between the first insulating layer (120) and the second electromagnetic shielding layer (130).

6. The cable assembly of claim 1, further comprising an electrical wire (500) and a ground terminal (600), the seal (400) comprising a fourth seal portion (440), wherein:

the electric wire (500) is arranged at the end part of the lead group (100), one end of the electric wire (500) is electrically connected with the first electromagnetic shielding layer (200), the other end of the electric wire (500) is electrically connected with the grounding terminal (600), and the fourth sealing part (440) wraps the connection part of the electric wire (500) and the first electromagnetic shielding layer (200).

7. The cable assembly of claim 6, wherein the electrical wire (500) comprises a second conductive wire (510) and a second insulating layer (520), wherein:

the second insulating layer (520) wraps the periphery of the second conducting wire (510), the first part of the second conducting wire (510) extends out of the port of the second insulating layer (520) and is connected with the first electromagnetic shielding layer (200), and the fourth sealing part (440) wraps the joint of the second conducting wire (510) and the first electromagnetic shielding layer (200) and the first part of the second conducting wire (510).

8. The cable assembly of claim 1, further comprising a plug (710) and a wire terminal (720), the plug (710) and the wire terminal (720) being respectively provided at both ends of the cable main body, wherein:

the plug (710) is electrically connected with one end of each wire group (100), the sealing element (400) and the wiring terminal (720) are arranged at the other end of each wire group (100), and the other end of each wire group (100) is electrically connected with the wiring terminal (720).

9. The cable assembly of claim 8, wherein the plug (710) comprises a metal housing (711), the metal housing (711) being connected with the first electromagnetic shielding layer (200).

10. The cable assembly of claim 8, wherein the cable body comprises at least two first cable parts (810) and a second cable part (820), the first cable part (810) and the second cable part (820) each comprising the at least two conductor sets (100) and the at least two first electromagnetic shielding layers (200), the number of plugs (710) being at least two, wherein:

the first cable parts (810) correspond to the plugs (710) one by one, the plugs (710) are connected with the first ends of the corresponding first cable parts (810), the second ends of the first cable parts (810) are respectively connected with one ends of the second cable parts (820), the wire groups (100) of the first cable parts (810) are connected with the wire groups (100) of the second cable parts (820) one by one, and the wiring terminals (720) are connected with the other ends of the second cable parts (820).

11. The cable assembly of claim 4, wherein the second electromagnetic shield layer (130) is a second metal foil layer.

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