CN217955518U

CN217955518U - Control cable with good flame-retardant effect

Info

Publication number: CN217955518U
Application number: CN202220422497.6U
Authority: CN
Inventors: 吴春凤; 王永才; 陆灯宏; 洪正朝
Original assignee: JIANGSU YUANTONG CABLE CO Ltd
Current assignee: JIANGSU YUANTONG CABLE CO Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-12-02
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to a control cable with good flame retardant effect, which comprises four wires and a protective structure, wherein the outer sides of the wires are provided with isolation structures, and the outer sides of the isolation structures are provided with protective structures; the protective structure comprises a shielding layer, the outer side of the shielding layer is fixedly connected with a flame-retardant structure, the outer side of the flame-retardant structure is fixedly connected with an outer layer, and the outer side of the flame-retardant structure is fixedly connected with an anti-skid layer which is distributed equidistantly. This control cable that flame retardant efficiency is good, through the inside first fire-retardant layer of protective structure and the fire-retardant layer of second, make this control cable possess good fire behaviour, standing groove and protective layer through isolating structure can keep apart four wires, arouse many wire burning when avoiding one of them wire 1 short circuit, improve the device's fire behaviour, can conduct the heat simultaneously, avoid local high temperature, can effectually arouse wire 1 short circuit, improve the device's fire behaviour.

Description

Control cable with good flame-retardant effect

Technical Field

The utility model relates to a control cable technical field specifically is a control cable that flame retardant efficiency is good.

Background

The control cable is a polyvinyl chloride insulation and polyvinyl chloride sheath control cable suitable for industrial and mining enterprises, energy traffic departments, control and protection lines with the AC rated voltage of below 450/750 volts, and the like, and the control cable directly transmits electric energy to power supply connecting lines of various electric equipment appliances from a power distribution point of a power system.

The control cable is widely applied and needs to be applicable to various severe environments, but the flame retardant effect of the existing control cable is not good enough, when the conducting wire in the control cable is short-circuited, the material in the control cable cannot meet the flame retardant requirement, and the generated heat can cause the cable to burn to cause the fire hazard.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a control cable that flame retardant efficiency is good possesses fire-retardant advantage, and it is not good enough to have solved current control cable flame retardant efficiency, and when the inside wire short circuit of control cable, the inside material of control cable can not reach fire-retardant requirement, and the heat of production can lead to the cable burning, causes the dangerous problem of conflagration.

In order to achieve the above object, the utility model provides a following technical scheme: a control cable with a good flame retardant effect comprises four wires and a protective structure, wherein an isolation structure is arranged on the outer side of each wire, and the protective structure is arranged on the outer side of each isolation structure;

the protective structure comprises a shielding layer, the outer side of the shielding layer is fixedly connected with a flame-retardant structure, the outer side of the flame-retardant structure is fixedly connected with an outer layer, and the outer side of the flame-retardant structure is fixedly connected with an anti-skid layer which is distributed equidistantly.

Further, the flame-retardant structure comprises a first flame-retardant layer, a second flame-retardant layer is fixedly connected to the outer side of the first flame-retardant layer, and a packaging layer is fixedly connected to the outer side of the second flame-retardant layer.

Further, the isolation structure comprises a protective layer, four placing grooves are formed in the inner side of the protective layer, and filling layers are filled in the placing grooves.

Further, the inner side of the filling layer is filled with an insulating layer, and a reinforcing core is embedded in the protective layer.

Furthermore, the shielding layer can be a mesh copper wire layer, the outer layer can be a chloroprene rubber layer, and the outer side of the anti-slip layer is fixedly connected with protection lines distributed at equal intervals.

Further, the inner side of the first flame-retardant layer is fixedly connected with the outer side of the shielding layer, and the outer side of the packaging layer is fixedly connected with the inner side of the outer layer.

Further, the first flame-retardant layer may be a flame-retardant polyvinyl chloride layer, the second flame-retardant layer may be a chlorosulfonated polyethylene layer, and the encapsulation layer may be a cross-linked polyvinyl chloride layer.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this control cable that flame retardant efficiency is good through the inside fire-retardant layer of first fire-retardant layer of protective structure and the fire-retardant layer of second for this control cable possesses good fire behaviour, can provide safeguard function to the wire through inside encapsulated layer, skin and the skid resistant course of protective structure simultaneously, and make things convenient for taking of user.

2. This control cable that flame retardant efficiency is good can keep apart four wires through isolation structure's standing groove and protective layer, avoids the influence between the wire, can conduct the heat simultaneously, avoids local high temperature, improves the device's flame retardant property.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a left side sectional view of the flame retardant structure in the structure of the utility model.

In the figure: 1 wire, 200 isolation structures, 201 protective layers, 202 placement grooves, 203 filling layers, 204 insulating layers, 205 reinforced cores, 300 protective structures, 301 shielding layers, 302 flame-retardant structures, 3021 first flame-retardant layers, 3022 second flame-retardant layers, 3023 packaging layers, 303 outer layers, and 304 anti-slip layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a control cable with good flame retardant effect in this embodiment includes four wires 1 and a protective structure 300, an isolation structure 200 is fixedly installed on an outer side of each wire 1, and a protective structure 300 is fixedly installed on an outer side of each isolation structure 200, where the isolation structure 200 is a structure for isolating and protecting the wires 1, and can isolate the four wires 1, thereby avoiding influence between the wires 1, and meanwhile conducting heat, avoiding over-high temperature locally, and improving the flame retardant performance of the device, and the protective structure 300 is a structure for providing flame retardant performance and protection, so that the control cable has good flame retardant performance, and meanwhile, can provide a protective function for the wires 1, and is convenient for users to take.

Note that the four wires 1 in this embodiment are filled in the four placement grooves 202, respectively.

The isolation structure 200 in the present embodiment is a structure that isolates and protects the wire 1.

As shown in fig. 1, the isolation structure 200 in this embodiment includes a protective layer 201, four placement grooves 202 are opened on the inner side of the protective layer 201, a filling layer 203 is filled in the placement grooves 202, an insulating layer 204 is filled on the inner side of the filling layer 203, and a reinforcing core 205 is embedded in the protective layer 201.

In order to protect the wire 1, the filling layer 203 in this embodiment may be polyethylene particles.

In order to avoid the local temperature of the lead 1 being too high, the protection layer 201 in this embodiment may be a thermal conductive silica gel layer.

In order to ensure insulation of the lead 1, the insulating layer 204 in this embodiment employs a polyvinyl chloride layer.

The protective structure 300 in this embodiment is a structure that provides flame retardant properties and protection.

As shown in fig. 1 to 3, the protective structure 300 in this embodiment includes a shielding layer 301, a flame retardant structure 302 is fixedly connected to the outside of the shielding layer 301, an outer layer 303 is fixedly connected to the outside of the flame retardant structure 302, an anti-slip layer 304 is fixedly connected to the outside of the outer layer 303, the flame retardant structure 302 includes a first flame retardant layer 3021, a second flame retardant layer 3022 is fixedly connected to the outside of the first flame retardant layer 3021, and an encapsulation layer 3023 is fixedly connected to the outside of the second flame retardant layer 3022, wherein the inside of the shielding layer 301 is fixedly connected to the outside of the protective layer 201, the inside of the first flame retardant layer 3021 is fixedly connected to the outside of the shielding layer 301, and the outside of the encapsulation layer 3023 is fixedly connected to the inside of the outer layer 303.

In order to protect the lead 1, the outer layer 303 in this embodiment may be a neoprene layer, and the encapsulation layer 3023 may be a cross-linked pvc layer.

In order to provide flame retardant performance to the wire 1, the first flame retardant layer 3021 in the present embodiment may be a flame retardant polyvinyl chloride layer, and the second flame retardant layer 3022 may be a chlorosulfonated polyethylene layer.

In order to facilitate the taking of the user, in this embodiment, the outer side of the anti-slip layer 304 is fixedly connected with protection stripes distributed at equal intervals.

In order to avoid the wire 1 from being interfered by the outside, the shielding layer 301 in this embodiment may be a mesh copper wire layer.

The working principle of the above embodiment is as follows:

(1) Through the inside fire-retardant polyvinyl chloride layer and the chlorosulfonated polyethylene layer of the inside fire-retardant structure 302 adoption of protective structure 300 possess good fire resistance and heat-proof quality, make this control cable possess fire behaviour, simultaneously can keep apart wire 1 through four standing grooves 202 that isolation structure 200 inside set up respectively, arouse many wires 1 burning when avoiding one of them wire 1 short circuit, the heat conduction silica gel that adopts through protective layer 201 can conduct the heat that wire 1 produced, avoid local high temperature, arouse wire 1 short circuit, the polyethylene that adopts through filling layer 203 can provide the protection to wire 1, avoid wire 1 to break, the crosslinked polyvinyl chloride layer that adopts through encapsulation layer 3023 has heat-resisting function, can be for the isolated outside heat of wire 1, simultaneously when taking place the burning, the crosslinked polyvinyl chloride layer can not produce toxic gas, can convenience of customers's taking through skid resistant course 304.

Compared with the prior art: through the inside first fire-retardant layer 3021 of protective structure 300 and the fire-retardant layer 3022 of second for this control cable possesses good fire behaviour, simultaneously through the inside encapsulation layer 3023 of protective structure 300, outer 303 and skid resistant course 304 can provide safeguard function to wire 1, make things convenient for taking of user simultaneously, standing groove 202 and protective layer 201 through isolation structure 200 can keep apart four wires 1, avoid the influence between wire 1, can conduct the heat simultaneously, avoid local high temperature, improve the device's fire behaviour.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a control cable that flame retardant efficiency is good which characterized in that: the novel lead frame comprises four leads (1) and a protective structure (300), wherein an isolation structure (200) is arranged on the outer side of each lead (1), and the protective structure (300) is arranged on the outer side of each isolation structure (200);

protective structure (300) are including shielding layer (301), outside fixedly connected with flame retardant structure (302) of shielding layer (301), the outside fixedly connected with skin (303) of flame retardant structure (302), the skid resistant course (304) that the outside fixedly connected with equidistance of skin (303) distributes.

2. The control cable with good flame retardant effect according to claim 1, characterized in that: the flame-retardant structure (302) comprises a first flame-retardant layer (3021), wherein a second flame-retardant layer (3022) is fixedly connected to the outer side of the first flame-retardant layer (3021), and an encapsulation layer (3023) is fixedly connected to the outer side of the second flame-retardant layer (3022).

3. The control cable with good flame retardant effect as claimed in claim 1, wherein: the isolation structure (200) comprises a protection layer (201), four placing grooves (202) are formed in the inner side of the protection layer (201), and filling layers (203) are filled in the placing grooves (202).

4. The control cable with good flame retardant effect according to claim 3, wherein: the inner side of the filling layer (203) is filled with an insulating layer (204), and a reinforcing core (205) is embedded in the protective layer (201).

5. The control cable with good flame retardant effect according to claim 1, characterized in that: the shielding layer (301) can be a mesh copper wire layer, the outer layer (303) can be a chloroprene rubber layer, and the outer side of the anti-skid layer (304) is fixedly connected with protection lines distributed at equal intervals.

6. The control cable with good flame retardant effect according to claim 2, characterized in that: the inner side of the first flame-retardant layer (3021) is fixedly connected with the outer side of the shielding layer (301), and the outer side of the packaging layer (3023) is fixedly connected with the inner side of the outer layer (303).

7. The control cable with good flame retardant effect according to claim 2, characterized in that: the first flame retardant layer (3021) may be a flame retardant polyvinyl chloride layer, the second flame retardant layer (3022) may be a chlorosulfonated polyethylene layer, and the encapsulation layer (3023) may be a cross-linked polyvinyl chloride layer.