CN219418569U

CN219418569U - Electromagnetic shielding structure for ship cable passing cabin

Info

Publication number: CN219418569U
Application number: CN202320526091.7U
Authority: CN
Inventors: 陈栋梁
Original assignee: Shanghai Huoke New Material Co ltd
Current assignee: Shanghai Huoke New Material Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-07-25
Anticipated expiration: 2033-03-15

Abstract

The application discloses cabin electromagnetic shield structure is worn to boats and ships cable relates to the boats and ships cable field of laying, and it includes conductive metal oversheath, the inside cable that wears to be equipped with of conductive metal oversheath, partial sheath strips on the cable and forms the skinned cable, skinned cable is located inside the conductive metal oversheath, inside fire prevention spare that still is provided with of conductive metal oversheath, inside still being provided with of conductive metal oversheath is used for right the conductive part that conductive cable carries out is electrically conductive, inside still being provided with of conductive metal oversheath is used for right conductive metal oversheath carries out sealed sealing member. The waterproof sealing material has good fireproof flame-retardant and waterproof sealing effects on the premise of guaranteeing electromagnetic shielding effects.

Description

Electromagnetic shielding structure for ship cable passing cabin

Technical Field

The application relates to the field of ship cable laying, in particular to a ship cable cabin penetrating electromagnetic shielding structure.

Background

With the continuous development of electronic products, the number of electronic products used is rapidly expanding, and the electromagnetic compatibility between the electronic products and an electrical system becomes a very prominent problem, if the electromagnetic compatibility is not good, the equipment cannot work normally due to interference caused by light operation, and even damage to the equipment is caused, especially for environments with narrow space, such as an internal control room of a ship, the electromagnetic compatibility is very important, and must be considered in advance in design.

In the prior art, part of the sheath on the cable is stripped, and then the cable is connected with the grounding wire to be grounded, so that the cable can not effectively play a role in shielding electromagnetic waves, but cannot effectively play a role in good fireproof performance when accidents occur, such as when a cabin fires.

Disclosure of Invention

In order to have good fire-resistant fire-retardant and waterproof sealing effect under the prerequisite of guaranteeing electromagnetic shielding effect, this application provides a boats and ships cable wears cabin electromagnetic shielding structure.

The application provides a boats and ships cable wears cabin electromagnetic shield structure adopts following technical scheme:

the utility model provides a marine cable wears cabin electromagnetic shield structure, includes conductive metal oversheath, the inside cable that wears to be equipped with of conductive metal oversheath, partial sheath strips on the cable and forms the cable of skinning, the cable of skinning is located inside the conductive metal oversheath, the inside fire prevention spare that still is provided with of conductive metal oversheath, the inside conductive metal oversheath still is provided with and is used for right conductive piece that conductive metal oversheath carries out electric conduction, conductive metal oversheath inside still is provided with and is used for right conductive metal oversheath carries out sealed sealing member.

Through adopting above-mentioned technical scheme, the cable of skinning is the sheath with the cable and peels off, exposes the shielding layer of the inside, and with shielding layer ground connection through the electrically conductive piece, guaranteed electromagnetic shielding effect, the setting of fire prevention spare simultaneously makes overall structure have good fire-resistant fire-retardant performance, and the setting of sealing member has ensured overall structure's waterproof sealing effect, has good fire-resistant fire-retardant and waterproof sealing effect under the prerequisite of guaranteeing original electromagnetic shielding effect.

Preferably, the fireproof part is a fireproof sleeve, and the fireproof sleeve is sleeved on the cable.

Through adopting above-mentioned technical scheme, through the setting of fire prevention sheathed tube, can play fire-resistant flame retardant efficiency effectively, have good physical properties.

Preferably, the conductive member is conductive adhesive, the conductive adhesive is in contact with the peeled cable, and the conductive adhesive is also in contact with the conductive metal outer sheath.

Through adopting above-mentioned technical scheme, through the setting of conductive adhesive, through the shielding layer ground connection that conductive adhesive exposes the cable, played electromagnetic shield effect effectively.

Preferably, the sealing member is a sealant.

Through adopting above-mentioned technical scheme, through the setting of sealant, with the both ends shutoff of conductive metal oversheath, guaranteed the water tightness.

Preferably, the sealant is fireproof sealant.

Through adopting above-mentioned technical scheme, through the setting of fire prevention sealant, under the prerequisite of guaranteeing original water tightness, can also play fire prevention flame retardant efficiency.

Preferably, the stripped cable is wound with tinfoil.

Through adopting above-mentioned technical scheme, through the setting of tinfoil, increased one deck tin paper layer in original shielding layer outside, the tinfoil layer has good electromagnetic shielding effect, and the tinfoil layer still has good conductive effect, does not influence the ground connection of original shielding layer.

Preferably, the tinfoil is fixedly connected with a wire, one end of the wire is fixedly connected to the tinfoil, and the other end of the wire is fixedly connected to the conductive metal outer sheath.

Through adopting above-mentioned technical scheme, through the setting of wire, effectively reduced the resistance of ground connection, guaranteed electromagnetic shield effect.

Preferably, the conductive metal outer sheath is sleeved with an insulating adhesive tape.

Through adopting above-mentioned technical scheme, through the setting of insulating tape, the staff touches by mistake and the phenomenon of electrocutes when effectively having reduced the use, has increased the security.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the conductive metal outer sheath, the fireproof sleeve, the conductive adhesive and the fireproof sealant is utilized, so that the fireproof flame-retardant waterproof sealing effect is good on the premise of ensuring the original electromagnetic shielding effect;

2. by means of the arrangement of the tinfoil, the electromagnetic shielding effect can be enhanced on the premise that the grounding of the original cable shielding layer is not affected;

3. through the arrangement of the lead, the grounding resistance is effectively reduced.

Drawings

FIG. 1 is an isometric view of an embodiment of the present application, which is primarily representative of an overall structure;

FIG. 2 is a schematic view of a stripped cable structure embodying the present embodiment;

reference numerals: 1. a conductive metal outer sheath; 2. a cable; 21. peeling the cable; 3. a fire-resistant sleeve; 4. conducting resin; 5. fireproof sealant; 6. tinfoil; 7. a wire; 8. an insulating tape.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

The embodiment of the application discloses an electromagnetic shielding structure for ship cable penetration.

As shown in fig. 1, an electromagnetic shielding structure for a ship cable through-cabin comprises a conductive metal outer sheath 1, wherein an insulating tape 8 is wound on the outer side of the conductive metal outer sheath 1, the conductive metal outer sheath 1 can be installed on a cabin wall or a deck of a ship when installed, and the winding of the insulating tape 8 is only aimed at the exposed part of the conductive metal outer sheath 1, so that the grounding of the conductive metal outer sheath 1 after installation is not affected.

As shown in fig. 1 and 2, a cable 2 is penetrated inside the conductive metal outer sheath 1, part of the sheath on the cable 2 is stripped to expose the shielding layer inside, a stripped cable 21 is formed at the section, the stripped cable 21 is located inside the conductive metal outer sheath 1 when actually installed, but the cable 2 inside the conductive metal outer sheath 1 is not the stripped cable 21, a fireproof part is arranged inside the conductive metal outer sheath 1, the fireproof part is a fireproof sleeve 3, the fireproof sleeve 3 is sleeved on the cable 2 inside the conductive metal outer sheath 1, a conductive part for conducting the stripped cable 21 is arranged inside the conductive metal outer sheath 1, the conductive part is conductive adhesive 4, the conductive adhesive 4 is coated outside the stripped cable 21, the stripped cable 21 is connected with the conductive metal outer sheath 1, the effect of grounding the shielding layer is achieved, and a sealing part for sealing the conductive metal outer sheath 1 is also arranged inside the conductive metal outer sheath 1.

As shown in fig. 1 and 2, in order to increase the electromagnetic shielding performance of the whole structure, the stripped cable 21 is wound with the tinfoil 6, and the tinfoil 6 is fixedly connected with the lead 7, one end of the lead 7 is fixedly connected to the tinfoil 6, the other end is fixedly connected to the conductive metal outer sheath 1, the tinfoil 6 can play a certain electromagnetic shielding effect, the tinfoil 6 is made of a conductive material, although the melting point of the tinfoil 6 is lower, the current flowing through the tinfoil 6 is weaker, no danger is generated, and the lead 7 can effectively reduce the grounding resistance, so that the good electromagnetic shielding effect is convenient to maintain.

The implementation principle of the electromagnetic shielding structure for the ship cable through cabin in the embodiment of the application is as follows: when put into practical use, through triple setting of tinfoil 6, wire 7, conductive adhesive 4, can play good electromagnetic shield effect, inner cable 2 still overlaps simultaneously and is equipped with fire prevention sleeve pipe 3, has good fire-resistant fire-retardant performance, and the tip of conductive metal oversheath 1 seals through fire prevention sealant 5, has still played fire-resistant fire-retardant performance when playing waterproof seal effect, and the performance is excellent.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a boats and ships cable wears cabin electromagnetic shield structure which characterized in that: including electrically conductive metal oversheath (1), cable (2) are worn to be equipped with in electrically conductive metal oversheath (1) inside, partial sheath strips on cable (2) and forms skinning cable (21), skinning cable (21) are located inside electrically conductive metal oversheath (1), electrically conductive metal oversheath (1) inside still is provided with the fire prevention spare, electrically conductive metal oversheath (1) inside still is provided with and is used for right skinning cable (21) carries out electrically conductive spare, electrically conductive metal oversheath (1) inside still is provided with and is used for right electrically conductive metal oversheath (1) carries out sealed sealing member.

2. The marine cable-passing electromagnetic shielding structure according to claim 1, wherein: the fireproof part is a fireproof sleeve (3), and the fireproof sleeve (3) is sleeved on the cable (2).

3. The marine cable-passing electromagnetic shielding structure according to claim 2, characterized in that: the conductive piece is conductive adhesive (4), the conductive adhesive (4) is in contact with the peeled cable (21), and the conductive adhesive (4) is also in contact with the conductive metal outer sheath (1).

4. A marine cable-passing electromagnetic shielding structure according to claim 3 wherein: the sealing element is sealant.

5. The marine cable-penetrating electromagnetic shielding structure of claim 4 wherein: the sealant is fireproof sealant (5).

6. A marine cable-passing electromagnetic shielding structure according to claim 3 wherein: and the stripped cable (21) is wound with tinfoil (6).

7. The marine cable-penetrating electromagnetic shielding structure of claim 6 wherein: the tin foil (6) is fixedly connected with a wire (7), one end of the wire (7) is fixedly connected to the tin foil (6), and the other end of the wire (7) is fixedly connected to the conductive metal outer sheath (1).

8. The marine cable-passing electromagnetic shielding structure according to claim 1, wherein: an insulating adhesive tape (8) is sleeved on the conductive metal outer sheath (1).