CN209785619U - Flame-retardant insulation protection cable - Google Patents

Abstract

The utility model discloses a fire-retardant type insulation protection cable relates to wire and cable technical field, for solving among the prior art in operational environment, can produce electromagnetic induction and interference impact, can disturb the normal work of system, can lowering system's precision, most cable fire prevention measure is single, the frivolous problem of protection device. The utility model discloses a waterproof cable, including fire-retardant coating and polyvinyl chloride restrictive coating, the inside of fire-retardant coating and polyvinyl chloride restrictive coating is provided with the band layer that blocks water, the inside on band layer that blocks water is provided with the flame retardant coating, the inside of flame retardant coating is provided with the shielding layer, the inside of shielding layer is provided with around the band, be provided with the drainage area around the inside in band, be provided with the filling layer around the inside in band, the inside of filling layer is provided with protective packaging layer, the inside of filling layer is provided with the heart yearn, the inside of heart yearn is provided with the polyvinyl chloride insulating layer, the inside of polyvinyl chloride insulating layer is provided with.

Description

Flame-retardant insulation protection cable

Technical Field

The utility model relates to a wire and cable technical field specifically is an insulating protection cable of fire-retardant type.

Background

The wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion. A wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation.

However, in the existing working environment, electromagnetic induction and interference impact can be generated, the normal work of the system can be disturbed, the precision of the system can be reduced, most of cable fire-proof measures are single, and the protection device is light and thin; therefore, the existing requirements are not met, and a flame-retardant insulation protection cable is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

an object of the utility model is to provide a fire-retardant type insulation protection cable to what propose among the solution above-mentioned background art in operational environment, can produce electromagnetic induction and interference impact, can disturb the normal work of system, can lowering system's precision, most cable fire prevention measure is single, the frivolous problem of protection device.

In order to achieve the above object, the utility model provides a following technical scheme: a flame-retardant insulating protective cable comprises a fireproof layer and a polyvinyl chloride sheath layer, wherein a water-blocking tape layer is arranged inside the fireproof layer and the polyvinyl chloride sheath layer, a fireproof layer is arranged inside the water-blocking tape layer, a shielding layer is arranged inside the fireproof layer, a wrapping tape is arranged inside the shielding layer, a drainage tape is arranged inside the wrapping tape, a filling layer is arranged inside the wrapping tape, a protective packaging layer is arranged inside the filling layer, a core wire is arranged inside the filling layer, a polyvinyl chloride insulating layer is arranged inside the core wire, a conductor fireproof layer is arranged inside the polyvinyl chloride insulating layer, a crosslinked polyethylene insulating layer is arranged inside the conductor fireproof layer, a conductor is arranged inside the crosslinked polyethylene insulating layer, a wrapped shielding layer is arranged inside the filling layer, and an insulating protective layer is arranged inside the wrapped shielding layer, and a central conductor is arranged in the insulating protective layer.

Preferably, the fireproof layer and the polyvinyl chloride sheath layer are connected with the water blocking belt layer in a combined mode, the water blocking belt layer is connected with the fireproof layer in a combined mode, and the fireproof layer is connected with the shielding layer in a combined mode.

Preferably, the shielding layer is connected with the wrapping tape in a combined mode, the wrapping tape is connected with the drainage tape in a combined mode, and the wrapping tape is connected with the filling layer in a combined mode.

Preferably, the filling layer is connected with the protective packaging layer in a combined mode, the filling layer is connected with the core wire in a combined mode, and the core wire is connected with the polyvinyl chloride insulating layer in a combined mode.

Preferably, the polyvinyl chloride insulating layer is connected with the conductor flame retardant coating in a combined manner, the conductor flame retardant coating is connected with the crosslinked polyethylene insulating layer in a combined manner, and the crosslinked polyethylene insulating layer is connected with the conductor in a combined manner.

Preferably, the filling layer is connected with the lapping shielding layer in a combined mode, the lapping shielding layer is connected with the insulating protection layer in a combined mode, and the insulating protection layer is connected with the central conductor in a combined mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The utility model enhances the outer protective measures by installing the fireproof layer, the polyvinyl chloride sheath layer, the water blocking belt layer and the fireproof layer, protects the internal structure once, achieves the preliminary protective effect of flame-retardant insulation protection, solves the problems of electromagnetic induction and interference impact during the work, and improves the safety during the work;

2. The utility model discloses an added polyvinyl chloride insulating layer and conductor flame retardant coating and crosslinked polyethylene insulating layer to the conductor and protected to the conductor again, make the conductor obtain secondary protection, the security of the efficiency of conductor in work and the work of cable has been increased, the protective packaging layer has been increased outside the conductor simultaneously, the protection and the isolation of device are risen once more, secondary protection and cubic protection in the security, increase many times's fire prevention measure, promote cable work precision, the center has set up center conductor and has driven work, increase the output of cable work, can be in the reinforcement nature, make work progress work efficiency obtain promoting.

Drawings

Fig. 1 is an overall plan view of the present invention;

FIG. 2 is an overall side view of the present invention;

Fig. 3 is a schematic view of the conductor structure of the present invention.

In the figure: 1. a fireproof layer and a polyvinyl chloride sheath layer; 2. a water blocking tape layer; 3. a shielding layer; 4. a refractory layer; 5. wrapping a tape; 6. a filling layer; 7. a protective packaging layer; 8. a core wire; 9. a polyvinyl chloride insulating layer; 10. a conductive refractory layer; 11. a crosslinked polyethylene insulating layer; 12. a conductor; 13. a drainage band; 14. wrapping a shielding layer; 15. an insulating protective layer; 16. a center conductor.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a flame-retardant insulating protective cable comprises a fireproof layer and a polyvinyl chloride sheath layer 1, wherein a water-blocking tape layer 2 is arranged inside the fireproof layer and the polyvinyl chloride sheath layer 1, a fireproof layer 4 is arranged inside the water-blocking tape layer 2, a shielding layer 3 is arranged inside the fireproof layer 4, a wrapping tape 5 is arranged inside the shielding layer 3, a drainage tape 13 is arranged inside the wrapping tape 5, a filling layer 6 is arranged inside the wrapping tape 5, a protective packaging layer 7 is arranged inside the filling layer 6, a core wire 8 is arranged inside the filling layer 6, a polyvinyl chloride insulating layer 9 is arranged inside the core wire 8, a conductor fireproof layer 10 is arranged inside the polyvinyl chloride insulating layer 9, a crosslinked polyethylene insulating layer 11 is arranged inside the conductor fireproof layer 10, a conductor 12 is arranged inside the crosslinked polyethylene insulating layer 11, a wrapping shielding layer 14 is arranged inside the filling layer 6, and an insulating protective layer 15 is arranged inside the wrapping shielding layer 14, the inside of the insulating protective layer 15 is provided with a center conductor 16.

Furthermore, the fireproof layer and the polyvinyl chloride sheath layer 1 are connected with the water blocking tape layer 2 in a combined mode, the water blocking tape layer 2 is connected with the fireproof layer 4 in a combined mode, the fireproof layer 4 is connected with the shielding layer 3 in a combined mode, the peripheral protection performance is enhanced, and the protection effect of the first layer is achieved.

Further, shielding layer 3 and around 5 built-up connection in band, around 5 and the drainage tape 13 built-up connection in band, around 5 and the 6 built-up connection in band, increase the shielding layer, guarantee the safety at the during operation.

further, filling layer 6 and protective packaging layer 7 built-up connection, filling layer 6 and heart yearn 8 built-up connection, heart yearn 8 and polyvinyl chloride insulating layer 9 built-up connection increase the protective packaging layer and have improved the secondary protection to internal conductor.

Furthermore, the polyvinyl chloride insulating layer 9 is connected with the conductor fire-resistant layer 10 in a combined mode, the conductor fire-resistant layer 10 is connected with the cross-linked polyethylene insulating layer 11 in a combined mode, and the cross-linked polyethylene insulating layer 11 is connected with the conductor 12 in a combined mode.

Further, the filling layer 6 is connected with the wrapping shielding layer 14 in a combined mode, the wrapping shielding layer 14 is connected with the insulating protection layer 15 in a combined mode, the insulating protection layer 15 is connected with the central conductor 16 in a combined mode, the central conductor is protected, and the work of the central conductor is guaranteed.

The working principle is as follows: when the novel protective cable is used, the fireproof layer, the polyvinyl chloride sheath layer 1 and the water blocking tape layer 2 are used for external protection and insulation, the shielding layer 3 is used for insulation shielding, the fireproof measure is carried out by the fireproof layer 4, the fireproof layer is used for protection after entering the interior and being protected by the wrapping tape 5, the drainage work is carried out by the drainage tape 13, the protection measure of the exterior during working is completed, the electromagnetic induction and interference impact can be generated during the working of the cable, the cable is shielded and solved, when the cable goes deep into the interior, the output of the cable is unstable during working, errors can be generated in the interior under certain conditions, the novel protective cable is provided with the protective packaging layer on the internal conductor, the conductor is protected outside the conductor, the conductor fireproof layer and the crosslinked polyethylene insulating layer are arranged on the conductor, the conductor is independently guaranteed under the normal working condition, and the safety performance of the cable is improved, carry out the secondary fire prevention to the wire again, promote the fire prevention measure of whole system, simultaneously, modernized cable during operation can produce voltage not enough, and we are provided with central conductor, make the cable in fire-retardant insulating, obtain promoting work requirement and performance, obtain promoting again work efficiency under the circumstances of guaranteeing the quality.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides an insulating protective cable of fire-retardant type, includes flame retardant coating and polyvinyl chloride restrictive coating (1), its characterized in that: the waterproof cable is characterized in that a waterproof belt layer (2) is arranged inside the fireproof layer and the polyvinyl chloride sheath layer (1), a fireproof layer (4) is arranged inside the waterproof belt layer (2), a shielding layer (3) is arranged inside the fireproof layer (4), a winding belt (5) is arranged inside the shielding layer (3), a drainage belt (13) is arranged inside the winding belt (5), a filling layer (6) is arranged inside the winding belt (5), a protective packaging layer (7) is arranged inside the filling layer (6), a core wire (8) is arranged inside the filling layer (6), a polyvinyl chloride insulating layer (9) is arranged inside the core wire (8), a conductor fireproof layer (10) is arranged inside the polyvinyl chloride insulating layer (9), and a cross-linked polyethylene insulating layer (11) is arranged inside the conductor fireproof layer (10), the novel cable is characterized in that a conductor (12) is arranged inside the crosslinked polyethylene insulating layer (11), a wrapping shielding layer (14) is arranged inside the filling layer (6), an insulating protective layer (15) is arranged inside the wrapping shielding layer (14), and a central conductor (16) is arranged inside the insulating protective layer (15).

2. The flame retardant insulation protection cable according to claim 1, wherein: the fireproof layer and the polyvinyl chloride sheath layer (1) are connected with the water blocking tape layer (2) in a combined mode, the water blocking tape layer (2) is connected with the fireproof layer (4) in a combined mode, and the fireproof layer (4) is connected with the shielding layer (3) in a combined mode.

3. The flame retardant insulation protection cable according to claim 1, wherein: shielding layer (3) with around band (5) built-up connection, around band (5) and drainage area (13) built-up connection, around band (5) and filling layer (6) built-up connection.

4. The flame retardant insulation protection cable according to claim 1, wherein: the filling layer (6) is connected with the protective packaging layer (7) in a combined mode, the filling layer (6) is connected with the core wire (8) in a combined mode, and the core wire (8) is connected with the polyvinyl chloride insulating layer (9) in a combined mode.

5. The flame retardant insulation protection cable according to claim 1, wherein: the polyvinyl chloride insulating layer (9) is connected with the conductor fire-resistant layer (10) in a combined mode, the conductor fire-resistant layer (10) is connected with the cross-linked polyethylene insulating layer (11) in a combined mode, and the cross-linked polyethylene insulating layer (11) is connected with the conductor (12) in a combined mode.

6. The flame retardant insulation protection cable according to claim 1, wherein: the novel cable is characterized in that the filling layer (6) is connected with the wrapping shielding layer (14) in a combined mode, the wrapping shielding layer (14) is connected with the insulating protection layer (15) in a combined mode, and the insulating protection layer (15) is connected with the central conductor (16) in a combined mode.