CN218497840U

CN218497840U - Special fire-fighting dual-flame-retardant power cable

Info

Publication number: CN218497840U
Application number: CN202222373106.9U
Authority: CN
Inventors: 李�杰; 万年文; 纪丽红
Original assignee: Qingdao Huadong Cable Appliance Co ltd
Current assignee: Qingdao Huadong Cable Appliance Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-02-17
Anticipated expiration: 2032-09-07

Abstract

The utility model relates to a power cable technical field just discloses a special two fire-retardant type power cable of fire control, including the device body, including the protective layer, first fire-retardant layer is installed in the inboard parcel of protective layer, the fire-retardant layer of second is installed in the inboard parcel on first fire-retardant layer, fire-retardant mechanism, including the heat-resistant layer, the heat-resistant layer is installed in the inboard on the fire-retardant layer of second, the even fixed mounting in inboard of heat-resistant layer has a plurality of backing sheets, and is a plurality of the inboard fixed mounting of backing sheet has the water-resistant layer. The utility model discloses a during the use, can carry out good fire-retardant protection to the inside conductor of heat-resistant layer through first fire-retardant layer and the fire-retardant layer of second, when taking place the burning, the flame retardant efficiency through first fire-retardant layer and the fire-retardant layer of second protects inside, separate into the space through the backing sheet between with water-resistant layer and the heat-resistant layer, and the heat conductivity of heat-resistant layer itself is relatively poor, avoid inside high temperature to arouse the burning, and can play good protecting effect to inside conductor etc..

Description

Special fire-fighting dual-flame-retardant power cable

Technical Field

The utility model relates to a power cable technical field, more specifically relate to a special two fire-retardant type power cable of fire control.

Background

The internal structure of the existing fire-fighting cable is compact, although the fire-fighting cable has certain fire resistance, the thermal conductivity of the fire-fighting cable is fast, the internal layer cable optical fiber is easy to cause internal combustion due to overhigh temperature, the fire resistance of the cable is greatly reduced, and therefore the special double-flame-retardant power cable for fire fighting needs to be designed urgently.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the utility model provides a special two fire-retardant type power cable of fire control to there is present fire control cable inner structure in solving above-mentioned background comparatively inseparable, though there is certain fire resistance, but its heat conductivity is very fast, and the internal layer cable optic fibre is very easy because of the high internal combustion condition of appearing of temperature, leads to the problem that the fire resistance of cable reduces by a wide margin.

The utility model provides a following technical scheme: a fire-fighting special double-flame-retardant power cable comprises a cable body;

the device body comprises a protective layer, wherein a first flame-retardant layer is wrapped and installed on the inner side of the protective layer, and a second flame-retardant layer is wrapped and installed on the inner side of the first flame-retardant layer;

the flame-retardant mechanism comprises a heat-resistant layer, wherein the heat-resistant layer is arranged on the inner side of the second flame-retardant layer, a plurality of supporting sheets are uniformly and fixedly arranged on the inner side of the heat-resistant layer, a water-resistant layer is fixedly arranged on the inner sides of the supporting sheets, a plurality of conductors are uniformly arranged on the inner side of the water-resistant layer, when the device body is burnt, the inner part can be flame-retardant through the first flame-retardant layer and the second flame-retardant layer, an interlayer is formed between the heat-resistant layer and the water-resistant layer through the supporting sheets, the heat conduction of air can be reduced, and the conditions that the heat-resistant layer and internal elements are increased due to the conduction temperature and the like are avoided.

Further, the outside fixed mounting of protective layer has the wearing layer, wraps up the protection to the protective layer through the wearing layer, has promoted the holistic wearability of device body.

Further, the even fixed mounting in the outside of wearing layer has a plurality of wear strips, through the wear strip in the wearing layer outside, further improves the holistic wear-resisting effect of device, has promoted the life of device.

Furthermore, a plurality of cutting grooves have evenly been seted up in the outside on first fire-retardant layer, fire-retardant ring is installed all to the inboard embedding in cutting groove, and during the use, can play certain flame retardant efficiency after the end burning through the fire-retardant ring of the inboard embedding installation in first fire-retardant layer, and fire-retardant ring can play certain supporting effect when the device receives the extrusion, has promoted the resistance to pressure of device.

Furthermore, the flame-retardant filler is fixedly arranged on the inner side of the waterproof layer, and the flame-retardant filler is filled and arranged on the inner side of the waterproof layer, so that the guide can be further protected when the end head is burnt, and the function of fixing the guide can be achieved.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a during the use, can carry out good fire-retardant protection to the inside conductor of heat-resistant layer through first fire-retardant layer and the fire-retardant layer of second, when taking place the burning, the flame retardant efficiency through first fire-retardant layer and the fire-retardant layer of second protects inside, separate into the space through the backing sheet between with water-resistant layer and the heat-resistant layer, and the heat conductivity of heat-resistant layer itself is relatively poor, avoid inside high temperature to arouse the burning, and can play good protecting effect to inside conductor etc..

2. The utility model discloses a plurality of fire-retardant rings are installed through the embedding of first fire-retardant layer outside, can play good separation effect when the end takes place to burn, and promoted holistic crushing resistance, when the device body wholly receives the extrusion, can play good supporting effect through fire-retardant ring, protection internals.

Drawings

Fig. 1 is a perspective view illustrating the structure explosion of the present invention.

Fig. 2 is a schematic structural perspective view of the present invention.

Fig. 3 is an exploded perspective view of the first flame-retardant layer structure of the present invention.

Fig. 4 is a schematic structural cross-sectional view of the present invention.

The reference signs are: 100. a device body; 110. a protective layer; 111. a first flame retardant layer; 112. dividing the groove; 113. a flame-retardant ring; 114. a second flame retardant layer; 115. a thermal barrier layer; 116. a support sheet; 117. a water-resistant layer; 118. a guide; 119. a flame retardant filler; 120. a wear resistant layer; 121. wear resistant strips.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the drawings of the present invention, and in addition, the forms of the structures described in the following embodiments are merely examples, and the present invention relates to a fire-fighting special-purpose dual flame-retardant power cable is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person skilled in the art without creative labor belong to the protection scope of the present invention.

The first embodiment is as follows: referring to fig. 1-4, the utility model provides a dual flame-retardant power cable special for fire fighting, which comprises;

the device body 100 comprises a protective layer 110, wherein a first flame-retardant layer 111 is wrapped and installed on the inner side of the protective layer 110, and a second flame-retardant layer 114 is wrapped and installed on the inner side of the first flame-retardant layer 111;

the flame-retardant mechanism comprises a heat-resistant layer 115, wherein the heat-resistant layer 115 is installed on the inner side of a second flame-retardant layer 114, a plurality of supporting sheets 116 are uniformly and fixedly installed on the inner side of the heat-resistant layer 115, a water-resistant layer 117 is fixedly installed on the inner side of the supporting sheets 116, a plurality of guides 118 are uniformly installed on the inner side of the water-resistant layer 117, a wear-resistant layer 120 is fixedly installed on the outer side of the protective layer 110, and a plurality of wear-resistant strips 121 are uniformly and fixedly installed on the outer side of the wear-resistant layer 120.

The working principle is as follows: when the flame-retardant heat-resistant layer is used, the first flame-retardant layer 111 and the second flame-retardant layer 114 can be used for carrying out good flame-retardant protection on the conductor 118 in the heat-resistant layer 115, when combustion occurs, the interior is protected by the flame-retardant effect of the first flame-retardant layer 111 and the second flame-retardant layer 114, the support sheet 116 is used for separating the water-resistant layer 117 and the heat-resistant layer 115 into a space, the heat-resistant layer 115 is poor in heat conductivity, combustion caused by overhigh internal temperature is avoided, and a good protection effect on the conductor 118 and the like in the interior can be achieved.

Example two:

the difference between the second embodiment and the first embodiment is that: a plurality of cutting grooves 112 have evenly been seted up in the outside on first fire-retardant layer 111, cut all the embedding in inboard of cutting groove 112 and install fire-retardant ring 113, the inboard fixed mounting of water-blocking layer 117 has fire-retardant filler 119, install a plurality of fire-retardant rings 113 through the embedding in the first fire-retardant layer 111 outside, can take place when burning at the end, play good separation effect, and promoted holistic crushing resistance, when device body 100 wholly receives the extrusion, can play good supporting effect through fire-retardant ring 113, protect the inner member.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present 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. A fire-fighting special double-flame-retardant power cable is characterized by comprising a cable body;

the device body (100) comprises a protective layer (110), wherein a first flame-retardant layer (111) is wrapped and installed on the inner side of the protective layer (110), and a second flame-retardant layer (114) is wrapped and installed on the inner side of the first flame-retardant layer (111);

the flame retardant mechanism comprises a heat resistant layer (115), wherein the heat resistant layer (115) is arranged on the inner side of a second flame retardant layer (114), a plurality of supporting sheets (116) are uniformly and fixedly arranged on the inner side of the heat resistant layer (115), a water resistant layer (117) is fixedly arranged on the inner sides of the supporting sheets (116), and a plurality of conductors (118) are uniformly arranged on the inner side of the water resistant layer (117).

2. The fire-fighting special double-flame-retardant power cable according to claim 1, characterized in that: and a wear-resistant layer (120) is fixedly arranged on the outer side of the protective layer (110).

3. The fire-fighting special double-flame-retardant power cable according to claim 2, characterized in that: a plurality of wear-resistant strips (121) are uniformly and fixedly arranged on the outer side of the wear-resistant layer (120).

4. The dual-flame-retardant power cable special for fire protection according to claim 1, wherein: a plurality of dividing grooves (112) are uniformly formed in the outer side of the first flame-retardant layer (111), and flame-retardant rings (113) are embedded in the inner sides of the dividing grooves (112).

5. The fire-fighting special double-flame-retardant power cable according to claim 1, characterized in that: and a flame-retardant filler (119) is fixedly arranged on the inner side of the waterproof layer (117).