CN209947494U

CN209947494U - Ceramic fireproof and fire-resistant cable

Info

Publication number: CN209947494U
Application number: CN201920880096.3U
Authority: CN
Inventors: 柴马根
Original assignee: INNER MONGOLIA RENDA SPECIAL CABLE Co Ltd
Current assignee: INNER MONGOLIA RENDA SPECIAL CABLE Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-01-14
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses a pottery fire prevention fire resisting cable, which comprises a cable body, the cable body comprises a plurality of single lines, mica layer one, first inorganic ceramic flame retardant coating, the inorganic ceramic flame retardant coating of second and oversheath layer, single line evenly distributed is in the inside of cable body, the mica layer is one set and is established on the single line, first inorganic ceramic flame retardant coating cover is located mica layer one is last, the inorganic ceramic flame retardant coating cover of second is located on the first inorganic ceramic flame retardant coating, oversheath layer cover is located on the inorganic ceramic flame retardant coating of second. Has the advantages that: the cable has good fireproof, fireproof and heat-resistant performances, and the service life is effectively prolonged.

Description

Ceramic fireproof and fire-resistant cable

Technical Field

The utility model relates to the technical field of cables, particularly, relate to a pottery fire prevention fire resisting cable.

Background

In recent years, in order to improve the safety level of an electric circuit and reduce the occurrence and loss of electric fire accidents, the national ministry of construction, the public security department and some local governments have successively provided some electric design specifications and clearly stipulate that fire-proof cables must be adopted in some important electric circuits and places, so that the application range of the fire-proof cables is further widened.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a pottery fire prevention fire resisting cable to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a pottery fire prevention fire resisting cable, includes the cable body, the cable body comprises a plurality of single lines, mica layer one, first inorganic ceramic flame retardant coating, second inorganic ceramic flame retardant coating and oversheath layer, the single line evenly distributed is in the inside of cable body, the mica layer is established in one set on the single line, first inorganic ceramic flame retardant coating cover is located on mica layer one, second inorganic ceramic flame retardant coating cover is located on first inorganic ceramic flame retardant coating, the oversheath layer cover is located on the second inorganic ceramic flame retardant coating.

Further, the single wire is composed of a wire core, a mica layer II, a third inorganic ceramic fire-resistant layer, a fourth inorganic ceramic fire-resistant layer and an inner sheath layer, the mica layer is sleeved on the wire core, the third inorganic ceramic fire-resistant layer is sleeved on the mica layer II, the fourth inorganic ceramic fire-resistant layer is sleeved on the third inorganic ceramic fire-resistant layer, and the inner sheath layer is sleeved on the fourth inorganic ceramic fire-resistant layer.

Further, a high-temperature-resistant filler is filled between the single wire and the mica layer I.

Furthermore, a first metal shielding layer is arranged between the second inorganic ceramic refractory layer and the outer sheath layer.

Further, a second metal shielding layer is arranged between the fourth inorganic ceramic refractory layer and the inner sheath layer.

Furthermore, the wire core is formed by twisting a plurality of metal wires.

The utility model has the advantages that: through being provided with the ceramic fire prevention fire-resistant cable who comprises single line, mica layer one, first inorganic ceramic flame retardant coating, second inorganic ceramic flame retardant coating, oversheath layer, sinle silk, mica layer two, third inorganic ceramic flame retardant coating, fourth inorganic ceramic flame retardant coating and inner sheath layer to make this cable have better fire prevention, fire-resistant, heat resistance, effectively improve life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a cross-sectional view of a ceramic fire-resistant cable according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a ceramic fireproof cable according to an embodiment of the present invention.

In the figure:

1. a cable body; 2. a single wire; 3. a mica layer I; 4. a first inorganic ceramic refractory layer; 5. a second inorganic ceramic refractory layer; 6. an outer jacket layer; 7. a wire core; 8. a mica layer II; 9. a third inorganic ceramic refractory layer; 10. a fourth inorganic ceramic refractory layer; 11. an inner jacket layer; 12. a high temperature resistant filler; 13. a first metal shielding layer; 14. a second metal shielding layer; 15. a wire.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a pottery fire prevention fire resisting cable.

The first embodiment is as follows:

as shown in fig. 1-2, according to the utility model discloses ceramic fire prevention fire resistant cable, including cable body 1, cable body 1 comprises a plurality of single lines 2, mica layer 3, first inorganic ceramic flame retardant coating 4, second inorganic ceramic flame retardant coating 5 and oversheath layer 6, 2 evenly distributed of single line are in cable body 1's inside, a 3 cover of mica layer is established on single line 2, first inorganic ceramic flame retardant coating 4 cover is located on

mica layer

3, 5 covers of second inorganic ceramic flame retardant coating are located on first inorganic ceramic flame retardant coating 4, oversheath layer 6 covers is located on second inorganic ceramic flame retardant coating 5.

The specific arrangement and function of the first inorganic ceramic refractory layer 4 and the second inorganic ceramic refractory layer 5 will be described in detail below.

As shown in figure 1, the first inorganic ceramic fire-resistant layer 4 and the second inorganic ceramic fire-resistant layer 5 are arranged, so that the cable has better fire-proof and fire-resistant performances, the damage of the cable caused by external fire is avoided, and the service life of the cable is prolonged.

By means of the technical scheme, the fireproof ceramic cable is composed of the single wire 2, the mica layer I3, the first inorganic ceramic fireproof layer 4, the second inorganic ceramic fireproof layer 5, the outer sheath layer 6, the wire core 7, the mica layer II 8, the third inorganic ceramic fireproof layer 9, the fourth inorganic ceramic fireproof layer 10 and the inner sheath layer 11, so that the fireproof ceramic cable has good fireproof, fireproof and heat-resistant performances, and the service life is effectively prolonged.

Example two:

as shown in fig. 1-2, the single wire 2 is composed of a wire core 7, a mica layer II 8, a third inorganic ceramic fire-resistant layer 9, a fourth inorganic ceramic fire-resistant layer 10 and an inner sheath layer 11, the second mica layer 8 is sleeved on the wire core 7, the third inorganic ceramic fireproof layer 9 is sleeved on the second mica layer 8, the fourth inorganic ceramic fire-resistant layer 10 is sleeved on the third inorganic ceramic fire-resistant layer 9, the inner sheath layer 11 is sleeved on the fourth inorganic ceramic fire-resistant layer 10, a high-temperature-resistant filler 12 is filled between the single wire 2 and the mica layer I3, a metal shielding layer I13 is arranged between the second inorganic ceramic fire-resistant layer 5 and the outer sheath layer 6, a second metal shielding layer 14 is arranged between the fourth inorganic ceramic fire-resistant layer 10 and the inner sheath layer 11, and the wire core 7 is formed by twisting a plurality of metal wires 15.

As can be seen from fig. 1, a high temperature resistant filler 12 is filled between the single wire 2 and the mica layer one 3, a metal shielding layer one 13 is arranged between the second inorganic ceramic refractory layer 5 and the outer sheath layer 6, a metal shielding layer two 14 is arranged between the fourth inorganic ceramic refractory layer 10 and the inner sheath layer 11, the wire core 7 is formed by twisting a plurality of metal wires 15, and the design of the high temperature resistant filler 12, the metal shielding layer one 13 and the metal shielding layer two 14 is conventional and will not be described in detail.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the fireproof and fireproof ceramic cable is composed of the first inorganic ceramic fireproof layer 4, the second inorganic ceramic fireproof layer 5, the outer sheath layer 6, the third inorganic ceramic fireproof layer 9, the fourth inorganic ceramic fireproof layer 10, and the fireproof and fireproof ceramic cable is made to have good fireproof, fireproof and heat-resistant performances, and the service life is effectively prolonged.

To sum up, with the help of the above technical scheme of the utility model, through being provided with the ceramic fire prevention fire resisting cable who comprises single line 2, mica layer 3, first inorganic ceramic flame retardant coating 4, second inorganic ceramic flame retardant coating 5, oversheath layer 6, sinle silk 7, mica layer two 8, third inorganic ceramic flame retardant coating 9, fourth inorganic ceramic flame retardant coating 10 and inner sheath layer 11 to make this cable have better fire prevention, fire-resistant, heat resistance, effectively improve life.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The fireproof ceramic fire-resistant cable is characterized by comprising a cable body (1), wherein the cable body (1) is composed of a plurality of single wires (2), a mica layer I (3), a first inorganic ceramic fire-resistant layer (4), a second inorganic ceramic fire-resistant layer (5) and an outer sheath layer (6), the single wires (2) are uniformly distributed in the cable body (1), the mica layer I (3) is sleeved on the single wires (2), the first inorganic ceramic fire-resistant layer (4) is sleeved on the mica layer I (3), the second inorganic ceramic fire-resistant layer (5) is sleeved on the first inorganic ceramic fire-resistant layer (4), and the outer sheath layer (6) is sleeved on the second inorganic ceramic fire-resistant layer (5).

2. The ceramic fireproof and fire-resistant cable according to claim 1, wherein the single wire (2) is composed of a wire core (7), a mica layer II (8), a third inorganic ceramic fire-resistant layer (9), a fourth inorganic ceramic fire-resistant layer (10) and an inner sheath layer (11), the mica layer II (8) is sleeved on the wire core (7), the third inorganic ceramic fire-resistant layer (9) is sleeved on the mica layer II (8), the fourth inorganic ceramic fire-resistant layer (10) is sleeved on the third inorganic ceramic fire-resistant layer (9), and the inner sheath layer (11) is sleeved on the fourth inorganic ceramic fire-resistant layer (10).

3. A ceramic fire-resistant cable according to claim 1, characterized in that a high temperature-resistant filler (12) is filled between the single wires (2) and the mica layer one (3).

4. A ceramic fire-resistant cable according to claim 1, characterized in that a first metal shielding layer (13) is arranged between the second inorganic ceramic fire-resistant layer (5) and the outer sheath layer (6).

5. A ceramic fire-resistant cable according to claim 2, characterized in that a second metal shielding layer (14) is arranged between the fourth inorganic ceramic fire-resistant layer (10) and the inner sheath layer (11).

6. A ceramic fire-resistant cable according to claim 2, characterized in that said core (7) is formed by stranding a plurality of metal wires (15).