CN209747207U - High-temperature-resistant cable - Google Patents

Abstract

The utility model discloses a high temperature resistant cable, include three at least cable core groups (1), outer protective layer (2), first fire-retardant layer (3), first high temperature resistant layer (4) and place mechanism (5), cable core group (1) is fixed in the inside of placing mechanism (5), place mechanism (5) and fix the inner wall at first high temperature resistant layer (4) and form first heat dissipation cavity (6), the surface at first high temperature resistant layer (4) is fixed in first fire-retardant layer (3), the surface at first fire-retardant layer (3) is fixed in outer protective layer (2). The utility model discloses a high temperature resistant cable has better high temperature resistant, fire-retardant and quick radiating ability to realize in case some cable core group self damages and do not influence the normal use of other cable core groups, further increase of service life.

Description

High-temperature-resistant cable

Technical Field

The utility model relates to the technical field of cables, concretely relates to high temperature resistant cable.

Background

Cable: typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like. peek characteristics: 1: corrosion resistance and ageing resistance; 2: high-temperature, high-frequency and high-voltage electrical property conditions; 3: the conditions of irradiation resistance, wear resistance and corrosion resistance are met; 4: hydrolysis resistance, and can maintain excellent characteristics at high temperature and high pressure, namely low toxic gas emission.

However, the high temperature resistance and the heat conductivity of the existing cable are poor, and the influence of overhigh temperature and even damage to the normal use of another cable core group can occur to each cable core group inside.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to overcome the poor high temperature resistance and heat conductivity of the cable in the prior art, and the inside cable core groups can have the defects of high temperature and even damage, and the influence on the normal use of another cable core group is directly caused, thereby providing a high temperature resistant cable. The high-temperature-resistant cable has better high-temperature resistance, flame retardance and quick heat dissipation capability and long service life.

The above problems to be solved by the present invention are achieved by the following technical solutions:

The utility model provides a high temperature resistant cable, includes at least three cable core groups of group, outer protective layer, first fire-retardant layer, first high temperature resistant layer and places the mechanism, the inside at the mechanism of placeeing is fixed to the cable core group, place the inner wall that the mechanism was fixed at first high temperature resistant layer and form first heat dissipation cavity, the surface on first high temperature resistant layer is fixed on first fire-retardant layer, the surface on first fire-retardant layer is fixed to the outer protective layer.

Preferably, the placing mechanism comprises at least three placing layers and a heat conductor, the placing layers are all fixed on the outer surface of the heat conductor in a tangent mode, and the cable core group is fixed on the inner wall of the placing layer through a heat conducting block. According to the scheme, the phenomenon that the normal use of another cable core group is directly influenced due to overhigh heating and even damage of the cable core group can be reduced through the placement layer; and the heat dissipation speed of each cable core group is further improved through the heat conductor, so that the service life of the cable is prolonged.

Preferably, the placing layer comprises a second high-temperature-resistant layer, a second flame-retardant layer and a second heat-conducting cavity, the second flame-retardant layer is located on the outermost layer of the placing layer, the second heat-conducting cavity is located inside the placing layer, and the second high-temperature-resistant layer is located between the second flame-retardant layer and the second heat-conducting cavity and fixed on the inner wall of the second high-temperature-resistant layer. According to the scheme, the heat dissipation space of the cable core group is increased through the second heat conduction cavity, so that the heat dissipation speed of the cable core group is further improved; and the second high-temperature-resistant layer and the second flame-retardant layer increase the high-temperature resistance and the flame-retardant performance of the cable core group, and prolong the service life of each cable core group.

Preferably, the placing mechanism further comprises a buffer device, and the buffer device is fixedly connected to the outer walls of the two placing layers; buffer includes first connecting block, buffer spring and second connecting block, first connecting block is fixed on the lateral wall of placeeing the layer, first connecting block is being connected to buffer spring's one end, second connecting block is being connected to buffer spring's the other end, the lateral wall on another placeeing layer is fixed to the second connecting block. This scheme can reduce the extrusion damage on each layer of putting of the too big atress of external to putting the mechanism through buffer's connecting block and buffer spring, provides the guarantee steadily for the normal use of each core group.

Preferably, the first high temperature resistant layer and the second high temperature resistant layer are made of PEEK resin materials. This scheme has ensured through the high temperature resistant layer of PEEK resin material that the environment that cable core group was located can bear bigger temperature, and then has improved the life of cable.

Preferably, the heat conducting block and the heat conductor are made of silica gel materials. This scheme has accelerated the heat transfer capacity of cable core group through silica gel material's heat conduction piece and heat conductor, reduces the self temperature of cable core group effectively.

Has the advantages that: after the structure of the utility model is adopted, because the structure is provided with the cable core group, the outer protective layer, the first flame-retardant layer, the first high temperature resistant layer and the placing mechanism, the high temperature resistance and the flame retardance of the cable core group can be effectively protected by the plurality of layers of the cable through the first flame-retardant layer, the first high temperature resistant layer and the placing mechanism; the heat dissipation speed and efficiency of the cable core group are improved through the first heat dissipation cavity; and the normal use of another cable core group can not be directly influenced by the overhigh temperature and even damage of the cable core group through the placement mechanism.

Drawings

Fig. 1 is a main structure diagram of a high temperature resistant cable according to the present invention.

Fig. 2 is a structural diagram of a placement mechanism of a high temperature resistant cable according to the present invention.

Fig. 3 is a structural diagram of a placement layer of the high temperature resistant cable of the present invention.

Fig. 4 is a structural diagram of a buffer device for a high temperature resistant cable according to the present invention.

Fig. 1-4: 1-conductor set; 2-an outer protective layer; 3-a first flame retardant layer; 4-a first high temperature resistant layer; 5-placing the mechanism; 6-a first heat dissipation cavity; 7-placing the layer; 8-a heat conductor; 9-heat conducting block; 10-a buffer device; 11-a first connection block; 12-a buffer spring; 13-a second connecting block; 14-a second high temperature resistant layer; 15-a second flame retardant layer; 16-second thermally conductive cavity.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples, which are not intended to limit the invention in any manner.

Example 1:

The directional designations of "front", "rear", "left" and "right" described in this specification are determined according to the schematic drawings used in this specification.

1-4, the high temperature resistant cable comprises four cable core groups 1, an outer protective layer 2, a first flame retardant layer 3, a first high temperature resistant layer 4 and a placement mechanism 5, wherein the cable core group 1 is fixed inside the placement mechanism 5, the placement mechanism 5 is fixed on the inner wall of the first high temperature resistant layer 4 and forms a first heat dissipation cavity 6, the first flame retardant layer 3 is fixed on the outer surface of the first high temperature resistant layer 4, and the outer protective layer 2 is fixed on the outer surface of the first flame retardant layer 3; the placing mechanism 5 comprises four placing layers 7 and a heat conductor 8, the placing layers 7 are all fixed on the outer surface of the heat conductor 8 in a cutting mode, and the cable core group 1 is fixed on the inner wall of the placing layers 7 through a heat conducting block 9; the placing layer 7 comprises a second high temperature resistant layer 14, a second flame retardant layer 15 and a second heat conducting cavity 16, the second flame retardant layer 15 is positioned on the outermost layer of the placing layer 7, the second heat conducting cavity 16 is positioned inside the placing layer 7, and the second high temperature resistant layer 14 is positioned between the second flame retardant layer 15 and the second heat conducting cavity 16 and is fixed on the inner wall of the second high temperature resistant layer 14; the placing mechanism 5 further comprises a buffer device 10, and the buffer device 10 is fixedly connected to the outer walls of the two placing layers 7; the buffer device 10 comprises a first connecting block 11, a buffer spring 12 and a second connecting block 13, the first connecting block 11 is fixed on the side wall of the placing layer 7, one end of the buffer spring 12 is connected with the first connecting block 11, the other end of the buffer spring 12 is connected with the second connecting block 13, and the second connecting block 13 is fixed on the side wall of the other placing layer 7; the first high temperature resistant layer 4 and the second high temperature resistant layer 14 are made of PEEK resin materials; the heat conducting block 9 and the heat conductor 8 are made of silica gel materials.

The using method comprises the following steps: different cable core groups are arranged on the placing layer of the placing mechanism, and the high-temperature resistance and the service life of the cable are realized through various heat transfer structures and various high-temperature resistant materials; in case that some cable core groups are damaged, normal use of other cable core groups is not affected, and the service life is further prolonged.

of course, the above description only expresses certain embodiments of the present invention, and the description thereof is more detailed, but the present invention cannot be interpreted as limiting the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (7)

1. The utility model provides a high temperature resistant cable, its characterized in that includes at least three group's cable core groups (1), outer protective layer (2), first fire-retardant layer (3), first high temperature resistant layer (4) and places mechanism (5), the inside of placing mechanism (5) is fixed in cable core group (1), place mechanism (5) and fix the inner wall at first high temperature resistant layer (4) and form first heat dissipation cavity (6), the surface at first high temperature resistant layer (4) is fixed in first fire-retardant layer (3), the surface at first fire-retardant layer (3) is fixed in outer protective layer (2).

2. A high-temperature-resistant cable according to claim 1, wherein the placement mechanism (5) comprises at least three placement layers (7) and a heat conductor (8), the placement layers (7) are all fixed on the outer surface of the heat conductor (8) in a cutting manner, and the cable core group (1) is fixed on the inner wall of the placement layers (7) through a heat conducting block (9).

3. A high temperature resistant cable according to claim 2, wherein the placement layer (7) comprises a second high temperature resistant layer (14), a second flame retardant layer (15) and a second heat conducting cavity (16), the second flame retardant layer (15) is located at the outermost layer of the placement layer (7), the second heat conducting cavity (16) is located inside the placement layer (7), and the second high temperature resistant layer (14) is located between the second flame retardant layer (15) and the second heat conducting cavity (16) and fixed at the inner wall of the second high temperature resistant layer (14).

4. A high temperature resistant cable according to claim 2, wherein said placement mechanism (5) further comprises a buffer device (10), said buffer device (10) being fixedly connected to the outer wall of the two placement layers (7).

5. a high-temperature-resistant cable according to claim 4, wherein the buffer device (10) comprises a first connecting block (11), a buffer spring (12) and a second connecting block (13), the first connecting block (11) is fixed on the side wall of the placement layer (7), one end of the buffer spring (12) is connected with the first connecting block (11), the other end of the buffer spring (12) is connected with the second connecting block (13), and the second connecting block (13) is fixed on the side wall of the other placement layer (7).

6. A high temperature resistant cable according to claim 1 or 3, wherein the first high temperature resistant layer (4) and the second high temperature resistant layer (14) are made of PEEK resin material.

7. A high-temperature-resistant cable according to claim 2, wherein the heat-conducting block (9) and the heat-conducting body (8) are made of silicone.