CN212113262U

CN212113262U - Fireproof cable

Info

Publication number: CN212113262U
Application number: CN202020959569.1U
Authority: CN
Inventors: 程洪建; 唐波; 田亚飞; 杨子仪; 曹昕; 郭秋霞; 刘少新
Original assignee: Guangdong Zhongbao Cable Co ltd
Current assignee: Guangdong Zhongbao Cable Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-08
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to the technical field of cables, a fireproof cable is disclosed, including conductor sinle silk, first insulation layer, sheath, installation cover, fireproof cover, control sinle silk and second insulating layer, the first insulation layer wrap up in the outside of conductor sinle silk, the installation cover is located the outside on first insulation layer, the second insulating layer wrap up in the outside of control sinle silk, the second insulating layer with the control sinle silk set up in the internal portion of cover of installation cover, fireproof cover wrap up in the outside of installation cover, the sheath wrap up in the outside of fireproof cover. The utility model discloses an integrate control core and conductor sinle silk in same root cable, the on-the-spot of being convenient for is laid, reduces and lays the cost.

Description

Fireproof cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a fireproof cable.

Background

At present, when a fireproof cable and a control cable for transmitting electric energy need to be laid simultaneously, the fireproof cable and the control cable are usually produced and manufactured respectively and are installed and laid respectively, so that the laying cost is high. In order to reduce the laying cost, a cable capable of integrating a cable and a control cable is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a fireproof cable, with control cable's electric core integration in the inside of cable, the on-the-spot laying of being convenient for reduces and lays the cost.

In order to achieve the above object, the utility model provides a fireproof cable, including conductor sinle silk, first insulation layer, sheath, installation cover, fireproof cover, control sinle silk and second insulating layer, first insulation layer wrap up in the outside of conductor sinle silk, the installation cover is located the outside on first insulation layer, the second insulating layer wrap up in the outside of control sinle silk, the second insulating layer with the control sinle silk set up in the internal portion of cover of installation cover, fireproof cover wrap up in the outside of installation cover, the sheath wrap up in the outside of fireproof cover.

Optionally, the mounting sleeve is sleeved on the outer portion of the third insulating layer.

Optionally, the buffer layer is wrapped outside the third insulating layer, and the mounting sleeve is sleeved outside the buffer layer.

Optionally, the mounting sleeve further comprises a shielding layer, the shielding layer is wrapped outside the second insulating layer, and the shielding layer is also arranged inside the sleeve body of the mounting sleeve.

Optionally, the mounting sleeve further comprises a fourth insulating layer, the fourth insulating layer wraps the outside of the shielding layer, and the fourth insulating layer is arranged inside the sleeve body of the mounting sleeve.

Optionally, the mounting sleeve is a seamless copper tube.

Optionally, the installation sleeve faces the outer wall of the fireproof sleeve and is provided with a protrusion, and the second insulating layer and the control wire core are arranged inside the protrusion.

Optionally, the cross-sectional shape of the protrusion is an isosceles trapezoid, and the lower bottom edge of the protrusion is arranged on the mounting sleeve.

Optionally, the number of the protrusions is a plurality, and the plurality of protrusions are uniformly arranged.

Optionally, a concave position is formed between two adjacent protrusions and the outer wall of the mounting sleeve between the two adjacent protrusions, and the concave position is filled with the fireproof sleeve.

The embodiment of the utility model provides a fireproof cable, compared with the prior art, its beneficial effect lies in:

the utility model discloses fireproof cable, including conductor sinle silk, first insulation layer, sheath, installation cover, fireproof cover, control sinle silk and second insulating layer, the first insulation layer wraps up in the outside of conductor sinle silk, and the outside on first insulation layer is located to the installation cover, and the second insulating layer wraps up in the outside of control sinle silk, and second insulating layer and control sinle silk set up in the internal portion of cover of installation cover, and the fireproof cover wraps up in the outside of installation cover, and the sheath wraps up in the outside of fireproof cover. Through such structure, with control core integration inside the cable to set up the fire prevention cover and prevent that the cable from catching fire, when realizing preventing fires, the on-the-spot laying of being convenient for reduces and lays the cost.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a control wire core part according to an embodiment of the present invention.

In the figure, 1, a conductor core; 2. a first insulating layer; 3. a sheath; 4. installing a sleeve; 5. a fireproof sleeve; 6. a control wire core; 7. a second insulating layer; 8. a third insulating layer; 9. a buffer layer; 10. a shielding layer; 11. a fourth insulating layer; 12. a protrusion; 13. and (4) concave positions.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the embodiment of the present invention provides a fireproof cable, including a conductor core 1, a first insulation layer 2, a sheath 3, an installation sleeve 4, a fireproof sleeve 5, a control core 6 and a second insulation layer 7, wherein the first insulation layer 2 wraps up the outside of the conductor core 1, the installation sleeve 4 is sleeved on the outside of the first insulation layer 2, the second insulation layer 7 wraps up the outside of the control core 6, the second insulation layer 7 and the control core 6 are disposed inside the sleeve body of the installation sleeve 4, the fireproof sleeve 5 wraps up the outside of the installation sleeve 4, and the sheath 3 wraps up the outside of the fireproof sleeve 5. The first insulating layer 2 is a fire-resistant mica tape insulating layer and has an insulating function. Conductor sinle silk 1 is the copper core, and first insulating layer 2 can be insulated conductor sinle silk 1, guarantees the transmission power that conductor sinle silk 1 can be normal. The installation sleeve 4 is used for installing the control wire core 6, the control wire core 6 is also a solid copper wire core, the second insulating layer 7 is a fire-resistant mica tape insulating layer, the second insulating layer 7 plays an insulating effect, and the normal work of the control wire core 6 is guaranteed. Control core 6 sets up in the inside of installation cover 4, keeps apart with conductor sinle silk 1, realizes control core 6 integrated inside the cable, and control core 6 and conductor sinle silk 1 do not influence each other. The fireproof sleeve 5 is made of ceramic fireproof mud, and can play a fireproof role. Through such structure, can be when realizing preventing fires, with control sinle silk 6 and conductor sinle silk 1 integration in same root cable to be convenient for on-the-spot laying, reduce the laying cost.

Referring to fig. 1, the fireproof cable of the present embodiment further includes a third insulating layer 8, the third insulating layer 8 is wrapped outside the first insulating layer 2, and the installation sleeve 4 is sleeved outside the third insulating layer 8. The third insulating layer 8 is a ceramic silicon rubber insulating layer, so that the insulating effect on the conductor wire core 1 is further enhanced, and the fireproof effect is achieved. Still include buffer layer 9, buffer layer 9 wraps up in the outside of third insulating layer 8, and the outside of buffer layer 9 is located to the cover of installation cover 4. Buffer layer 9 is the ceramic silicon rubber area around the covering, as the buffer layer 9 of installation cover 4, reduces the wearing and tearing to third insulating layer 8.

Referring to fig. 1 and fig. 2, the fireproof cable of the present embodiment further includes a shielding layer 10, the shielding layer 10 is wrapped outside the second insulating layer 7, and the shielding layer 10 is also disposed inside the sheath body of the installation sheath 4. The shielding layer 10 is a copper wire woven shield, and can effectively shield the influence of other electromagnetic waves on the control wire core 6 and ensure the normal work of the control wire core 6. The mounting sleeve further comprises a fourth insulating layer 11, the fourth insulating layer 11 is wrapped outside the shielding layer 10, and the fourth insulating layer 11 is arranged inside the sleeve body of the mounting sleeve 4. The fourth insulating layer 11 is a ceramic silicon rubber insulating layer, has an insulating effect, and isolates the control wire core 6 from the sheath 3 to ensure the normal work of the control wire core 6.

In addition, referring to fig. 1, the mounting sleeve 4 is a seamless copper tube. The seamless copper pipe is selected, so that the supporting effect can be achieved for the inside of the cable on the one hand, and the fireproof performance of the control wire core 6 can be guaranteed on the other hand. The melting point of copper is more than one thousand degrees, and the temperature of general flame does not exceed 900 degrees, consequently with the control sinle silk 6 set up inside the cover body of installation cover 4, can guarantee control sinle silk 6's fire behavior. The installation sleeve 4 is provided with a bulge 12 on the outer wall of the fireproof sleeve 5, and the second insulating layer 7 and the control wire core 6 are arranged inside the bulge 12. The cross section of the bulge 12 is in an isosceles trapezoid shape, and the lower bottom edge of the bulge 12 is arranged on the mounting sleeve 4. The number of the bulges 12 is a plurality, and the bulges 12 are uniformly arranged. The provision of the projections 12 can provide flexibility to the mounting sleeve 4. The two adjacent bulges 12 and the outer wall of the mounting sleeve 4 between the two bulges form a concave position 13, and the fireproof sleeve 5 is filled in the concave position 13. With such an arrangement, the fireproof sleeve 5 is partially embedded in the concave 13 and is wrapped outside the protrusion 12. Set up like this, can utilize concave position 13 reinforcing to the spacing effect of fire prevention cover 5, prevent rotation each other between fire prevention cover 5 and the installation cover 4.

The utility model discloses a working process does: control core 6 sets up inside installation cover 4, realizes integrating control core 6 in the inside of cable, and when conductor sinle silk 1 carried electric power, control core 6 normally worked, and conductor sinle silk 1 does not influence each other with control core 6.

To sum up, the embodiment of the utility model provides a fireproof cable, it is through with control core 6 and conductor sinle silk 1 integration in same root cable, the on-the-spot laying of being convenient for reduces and lays the cost.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a fireproof cable, its characterized in that, includes conductor sinle silk, first insulation layer, sheath, installation cover, fireproof cover, control sinle silk and second insulating layer, first insulation layer wrap up in the outside of conductor sinle silk, the installation cover is located the outside of first insulation layer, the second insulating layer wrap up in the outside of control sinle silk, the second insulating layer with the control sinle silk set up in the internal portion of cover of installation cover, fireproof cover wrap up in the outside of installation cover, the sheath wrap up in the outside of fireproof cover.

2. The fireproof cable of claim 1, further comprising a third insulating layer, wherein the third insulating layer covers the outer portion of the first insulating layer, and the mounting sleeve is disposed on the outer portion of the third insulating layer.

3. The fireproof cable of claim 2, further comprising a buffer layer, wherein the buffer layer is wrapped outside the third insulating layer, and the mounting sleeve is sleeved outside the buffer layer.

4. The fireproof cable of claim 1, further comprising a shielding layer surrounding the second insulating layer, wherein the shielding layer is also disposed inside the sheath of the mounting sheath.

5. The fireproof cable of claim 4, further comprising a fourth insulating layer, wherein the fourth insulating layer covers the outside of the shielding layer, and the fourth insulating layer is disposed inside the sheath body of the mounting sheath.

6. The flameproof cable of claim 1, wherein the mounting sleeve is a seamless copper tube.

7. The fireproof cable of claim 6, wherein the mounting sleeve is provided with a protrusion on an outer wall facing the fireproof sleeve, and the second insulating layer and the control wire core are provided inside the protrusion.

8. The fire-resistant cable of claim 7, wherein the cross-sectional shape of the protrusion is an isosceles trapezoid, and the lower bottom edge of the protrusion is disposed on the mounting sleeve.

9. The fire-resistant cable according to claim 7, wherein the number of the protrusions is several, and the several protrusions are uniformly arranged.

10. The fire-resistant cable according to claim 9, wherein adjacent two of the protrusions form a recess with an outer wall of the mounting sleeve therebetween, and the fire-resistant sleeve is filled in the recess.