CN219610082U

CN219610082U - Low-smoke halogen-free cable

Info

Publication number: CN219610082U
Application number: CN202320238037.2U
Authority: CN
Inventors: 刘立权; 闫世儒
Original assignee: Rongmao Technology Group Co ltd
Current assignee: Rongmao Technology Group Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-08-29
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a low-smoke halogen-free cable, which comprises a support, a placing groove, a first heat absorption layer, cable cores, four groups of placing grooves, a first heat absorption layer, a first heat dissipation fin and a heat dissipation mechanism, wherein the four groups of placing grooves are formed in the circumference of the outer side wall of the support, one group of cable cores are respectively arranged in each group of placing grooves, the first heat absorption layer is sleeved on the outer side wall of the support, the first heat dissipation fin is respectively arranged between the first heat absorption layer and the cable cores in the placing groove, and the heat dissipation mechanism is sleeved on the outer side wall of the first heat absorption layer. According to the utility model, the cable core is fixed and installed and protected through the matching of the support and the four groups of placing grooves, when the cable core works, heat is generated inside the cable core and is transmitted to the heat dissipation mechanism outwards through the first heat dissipation fins and the first heat absorption layer, so that the internal heat of the cable core is reduced, and the service life of the cable core is prolonged.

Description

Low-smoke halogen-free cable

Technical Field

The utility model relates to the technical field of cables, in particular to a low-smoke halogen-free cable.

Background

The low-smoke halogen-free cable is one of the cables, has good flame retardance, does not emit halogen acid gas when the cable burns, and has small smoke quantity.

Among the prior art, chinese patent of publication No. CN216623844U discloses a low smoke and zero halogen cable, including low smoke and zero halogen oversheath and wire, the inside of low smoke and zero halogen oversheath is fixedly provided with fire-retardant layer, the inside of fire-retardant layer is fixedly provided with the enhancement layer, the inside of enhancement layer is provided with low smoke and zero halogen inner sheath, the inside of low smoke and zero halogen inner sheath is provided with the shielding layer, the inside of shielding layer is provided with the insulating layer, the inside of insulating layer is provided with thermal-insulated wire cover, thermal-insulated wire cover's internally mounted has a plurality of wires.

In the use process, the cable is lack of a heat dissipation path or poor in heat dissipation effect, and the high temperature or short circuit phenomenon generated by the cable in the power transmission process under the extreme working condition is likely to greatly reduce the service life of the power cable and parts and even cause fire, so that the safety performance of the whole vehicle is affected.

Disclosure of Invention

The utility model aims to provide a low-smoke halogen-free cable capable of improving heat dissipation efficiency.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.

The utility model provides a low smoke and zero halogen cable, includes support, standing groove, first heat sink and cable core, and the lateral wall circumference of support is provided with four sets of standing grooves, is provided with a set of cable core in every standing groove respectively, still includes first heat sink, first heat dissipation wing and heat dissipation mechanism, and first heat sink suit is on the lateral wall of support, is provided with first heat dissipation wing in the standing groove respectively between first heat sink and the cable core, and the cover is equipped with heat dissipation mechanism on the lateral wall of first heat sink; the support and four standing grooves cooperate to fix and install the protection to the cable core, and when the cable core works, heat is generated inside, and is outwards transmitted to the heat dissipation mechanism through the first heat dissipation fins and the first heat absorption layer, so that the internal heat of the cable core is reduced, and the service life of the cable core is prolonged.

Preferably, the heat conduction mechanism comprises an outer shell layer, connecting blocks and second heat dissipation fins, the outer shell layer is sleeved on the outer side of the first heat absorption layer, a plurality of groups of connecting blocks are arranged between the first heat absorption layer and the outer shell layer, and a plurality of groups of second heat dissipation fins are arranged in gaps between the first heat absorption layer and the outer shell layer; the first heat dissipation fins and the first heat absorption layers are mutually matched to drive the internal heat of the cable core, the second heat dissipation fins and the outer shell layers are mutually matched to enable the heat transmitted by the first heat absorption layers and the first heat dissipation fins to be dissipated, and the service life of the cable core is prolonged.

Preferably, the cable core comprises a conductor, a first insulating layer and a second insulating layer, wherein the first insulating layer is wrapped on the outer side wall of the conductor, and the second insulating layer is wrapped on the outer side wall of the first insulating layer; the first insulating layer and the second insulating layer are matched with each other to protect the conductor, so that the service life of the conductor is prolonged.

Preferably, the fire-proof heat dissipation device further comprises fire-proof glass wool, and gaps among the conductors, the placing grooves and the first heat dissipation fins are filled with the fire-proof glass wool; the fireproof glass wool further protects the conductor.

Preferably, the shell layer is a halogen-free rubber layer; the shell layer is a halogen-free rubber layer, when the shell layer burns, hydrogen halide or other acids can not be released, and the low-smoke halogen-free material can reduce toxic and corrosive gases generated during the combustion.

Preferably, the connecting block is made of heat-insulating tile magnesium oxide; when the connecting block strengthens, supports and fixes the first heat absorption layer and the outer shell layer, the connecting block can also have the heat insulation and fireproof performances.

Preferably, the first insulating layer and the second insulating layer are both made of crosslinked polyethylene; the first insulating layer and the second insulating layer are made of crosslinked polyethylene, so that the heat resistance and other performances of the insulating layers can be improved, the conductor is further protected, and the service life of the conductor is prolonged.

By adopting the technical scheme, the utility model has the following technical progress.

According to the utility model, the cable core is fixed and installed and protected through the matching of the support and the four groups of placing grooves, when the cable core works, heat is generated inside the cable core and is transmitted to the heat dissipation mechanism outwards through the first heat dissipation fins and the first heat absorption layer, so that the internal heat of the cable core is reduced, and the service life of the cable core is prolonged.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a partially enlarged schematic view of the structure of the portion A in FIG. 1;

FIG. 3 is a partially enlarged schematic view of the structure of the portion B in FIG. 1;

FIG. 4 is an enlarged schematic view of the bracket and placement slot configuration;

wherein: 1. a bracket; 2. a placement groove; 3. a first heat sink layer; 4. a first heat dissipation fin; 5. an outer shell layer; 6. connecting blocks; 7. a second heat dissipation fin; 8. a conductor; 9. a first insulating layer; 10. a second insulating layer; 11. fireproof glass wool.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

Example 1

The utility model provides a low smoke and zero halogen cable, as shown in fig. 1 and 4, including support 1, standing groove 2, first heat-absorbing layer 3, cable core, first heat-absorbing layer 3, first heat dissipation wing 4 and heat dissipation mechanism, the lateral wall circumference of support 1 is provided with four sets of standing grooves 2, is provided with a set of cable core in every standing groove 2 respectively, and first heat-absorbing layer 3 suit is on the lateral wall of support 1, is provided with first heat dissipation wing 4 in standing groove 2 respectively between first heat-absorbing layer 3 and the cable core, and the cover is equipped with heat dissipation mechanism on the lateral wall of first heat-absorbing layer 3.

As shown in fig. 1 and 3, the heat conduction mechanism comprises an outer shell layer 5, connecting blocks 6 and second heat dissipation fins 7, the outer shell layer 5 is sleeved on the outer side of the first heat absorption layer 3, a plurality of groups of connecting blocks 6 are arranged between the first heat absorption layer 3 and the outer shell layer 5, and a plurality of groups of second heat dissipation fins 7 are arranged in gaps between the first heat absorption layer 3 and the outer shell layer 5.

In this embodiment, the outer shell layer 5 is a halogen-free rubber layer, and the connecting block 6 is made of heat-insulating tile magnesium oxide.

According to the embodiment, the cable core is fixed and installed through the cooperation of the support 1 and the four groups of placing grooves 2, when the cable core works, heat is generated inside, the heat is transmitted to the second heat dissipation fins 7 outwards through the first heat dissipation fins 4 and the first heat absorption layers 3, the heat transmitted by the first heat absorption layers 3 and the first heat dissipation fins 4 is emitted through the cooperation of the multiple groups of the second heat dissipation fins 7 and the shell layers 5, and the service life of the cable core is prolonged.

Example 2

As shown in fig. 1 and 2, the cable core includes a conductor 8, a first insulating layer 9 and a second insulating layer 10, the outer side wall of the conductor 8 is wrapped with the first insulating layer 9, and the outer side wall of the first insulating layer 9 is wrapped with the second insulating layer 10; in this embodiment, the materials of the first insulating layer 9 and the second insulating layer 10 are both crosslinked polyethylene.

As shown in fig. 2, gaps among the conductor 8, the placement groove 2 and the first heat dissipation fins 4 are filled with fireproof glass wool 11.

In this embodiment, support 1 and four standing groove 2 cooperation are fixed and are installed the protection to the cable core, when the cable core carries out the during operation, inside heat that produces, the heat outwards transmits for second heat dissipation wing 7 through first heat dissipation wing 4 and first heat sink layer 3, multiunit second heat dissipation wing 7 and shell layer 5 mutually support the heat that makes first heat sink layer 3 and first heat dissipation wing 4 convey and give off, improve the life of cable core, first insulating layer 9 and second insulating layer 10 mutually support and protect conductor 8, fire prevention glass wool 11 further protects conductor 8.

The bracket 1, the placing groove 2, the first heat absorption layer 3, the first heat dissipation fins 4, the outer shell layer 5, the connecting block 6, the second heat dissipation fins 7, the conductor 8, the first insulating layer 9 and the second insulating layer 10 are purchased in the market, and the person skilled in the art only needs to install and operate according to the attached using instruction without the creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides a low smoke and zero halogen cable, a serial communication port, including support (1), standing groove (2), first heat sink (3) and cable core, the lateral wall circumference of support (1) is provided with four sets of standing grooves (2), be provided with a set of cable core in every standing groove (2) respectively, still include first heat sink (3), first heat dissipation wing (4) and cooling mechanism, first heat sink (3) suit is on the lateral wall of support (1), be provided with first heat dissipation wing (4) in standing groove (2) respectively between first heat sink (3) and the cable core, the cover is equipped with cooling mechanism on the lateral wall of first heat sink (3).

2. The low-smoke halogen-free cable as claimed in claim 1, wherein the heat conducting mechanism comprises an outer shell layer (5), connecting blocks (6) and second radiating fins (7), the outer shell layer (5) is sleeved on the outer side of the first heat absorption layer (3), a plurality of groups of connecting blocks (6) are arranged between the first heat absorption layer (3) and the outer shell layer (5), and a plurality of groups of second radiating fins (7) are arranged in gaps between the first heat absorption layer (3) and the outer shell layer (5).

3. A low smoke zero halogen cable according to claim 1, characterized in that the cable core comprises a conductor (8), a first insulating layer (9) and a second insulating layer (10), the outer side wall of the conductor (8) being wrapped with the first insulating layer (9), the outer side wall of the first insulating layer (9) being wrapped with the second insulating layer (10).

4. A low smoke zero halogen cable according to claim 3, characterized in that the gaps of the conductor (8), the placement groove (2) and the first heat radiating fins (4) are filled with fire-proof glass wool (11).

5. A low smoke zero halogen cable according to claim 2, characterized in that the outer jacket layer (5) is a halogen free rubber layer.

6. A low smoke zero halogen cable according to claim 2, wherein the block (6) is made of insulating tile magnesium oxide.

7. A low smoke zero halogen cable according to claim 3, wherein the first insulating layer (9) and the second insulating layer (10) are both made of cross-linked polyethylene.