CN220155243U

CN220155243U - Insulating waterproof cable

Info

Publication number: CN220155243U
Application number: CN202321102157.6U
Authority: CN
Inventors: 邢军
Original assignee: Guangdong Jinlongxing Cable Industry Co ltd
Current assignee: Guangdong Jinlongxing Cable Industry Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-12-08
Anticipated expiration: 2033-05-10

Abstract

The utility model discloses an insulating waterproof cable, which belongs to the field of cables, and comprises an outer sheath layer, a waterproof layer, a water absorption layer and a wire core layer which are sequentially arranged outside and inside, wherein the wire core layer comprises: the waterproof frame is arranged at the inner central position of the wire core layer, wherein the waterproof frame is formed by combining a fluororubber tube at the central position and fluororubber sheets arranged at equal intervals along the circumferential direction of the fluororubber tube, and strip-shaped micropores are formed at the middle position of the section of the fluororubber sheet at equal intervals along the length direction of the section of the fluororubber sheet; the wire core is arranged in the wire core layer between two adjacent fluororubber sheets; the insulation layer is extruded in the wire core layer between two adjacent fluororubber sheets and coats the wire core. The utility model absorbs water vapor through the water-absorbing cotton ropes in the water-absorbing layer, and can effectively relieve the pressure of the water-absorbing cotton ropes at a plurality of positions of the water vapor through the design of the waterproof frame, thereby providing sufficient time for water transfer.

Description

Insulating waterproof cable

Technical Field

The utility model relates to the field of cables, in particular to an insulated waterproof cable.

Background

Wire and cable are used for transmitting electric (magnetic) energy, information and wire products for electromagnetic energy conversion, which are also referred to as cables in the broad sense, and which are insulated cables in the narrow sense, which can be defined as: the cable may also have additional conductors without insulation, and the cable may be used in a wide range of applications.

In the cable construction process, the phenomenon that the cable is wetted and water enters sometimes occurs, and the phenomenon becomes a potential hidden trouble affecting the safe operation of the cable. When the cable is laid, the cable often passes through roads, bridges and the like, water and gas are inevitably permeated into the cable due to weather and the like, water tree aging phenomenon can occur under the action of an electric field, cable insulation is damaged, and finally cable breakdown accidents are caused.

Disclosure of Invention

The utility model mainly aims to provide an insulating waterproof cable, which absorbs water vapor through the water-absorbing cotton ropes in the water-absorbing layer, and can effectively relieve the pressure of the water-absorbing cotton ropes at a plurality of positions of the water vapor through the design of a waterproof frame, so that sufficient time is provided for water transfer.

In order to achieve the above purpose, the utility model provides an insulated waterproof cable, which comprises an outer sheath layer, a waterproof layer, a water absorption layer and a wire core layer which are sequentially arranged outside and inside, wherein the wire core layer comprises:

the waterproof frame is arranged at the inner central position of the wire core layer, the waterproof frame is formed by combining a fluororubber tube at the central position and fluororubber sheets arranged at equal intervals along the circumferential direction of the fluororubber tube, strip-shaped micropores are formed at the middle position of the section of the fluororubber sheet at equal intervals along the length direction of the section of the fluororubber sheet, and two ends of each strip-shaped micropore are respectively communicated with the fluororubber tube and the outer side of the wire core layer;

the wire core is arranged in the wire core layer between two adjacent fluororubber sheets;

the insulation layer is extruded in the wire core layer between two adjacent fluororubber sheets and coats the wire core.

Preferably, the water-absorbing layer is formed by spirally winding water-absorbing cotton ropes at equal intervals along the circumferential direction of the wire core layer, and the water-absorbing cotton ropes are formed by mutually crosslinking a plurality of water-absorbing cotton yarns.

Preferably, the insulating layer is formed by co-extrusion of polyethylene and ETFE plastic.

Preferably, the outer sheath layer is a neoprene sheath, and the waterproof layer is made of polypropylene.

Preferably, the waterproof frame is made of fluororubber material, and the waterproof frame is prepared in a prefabricated mode.

The utility model has the advantages that: firstly, in the use to the cable, the aqueous vapor can follow bar micropore entering fluororubber pipe inside, later at the course of the work of sinle silk, can produce high temperature effect to make the inside aqueous vapor of entering fluororubber pipe discharge from bar micropore again under the high temperature effect, and absorbed by the water-absorbing layer, thereby improve the water-proof effects of cable.

Secondly, absorb the inside vapor that gets into the cable through the inside cotton rope that absorbs water of layer, utilize the siphon principle, inhale the cotton rope that absorbs water of vapor multiposition department to the cotton rope that absorbs water of dry position department to alleviate the pressure of the cotton rope that absorbs water of local position department, this explanation, the siphon principle needs certain time when transferring the cotton rope that absorbs water of vapor multiposition department to dry position department, consequently, can effectually alleviate the cotton rope pressure that absorbs water of vapor multiposition department through the design of waterproof frame in this process, thereby provide sufficient time for the moisture transfer.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the utility model and are not to be construed as unduly limiting the utility model. In the drawings:

fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic overall cross-sectional structure of the present utility model.

Fig. 3 is a schematic view of the waterproof frame structure of the present utility model.

In the above figures, 100, cable; 110. an outer sheath layer; 120. a waterproof layer; 130. a water-absorbing layer; 140. an insulating layer; 150. a waterproof rack; 151. a fluororubber tube; 152. a fluororubber sheet; 153. bar-shaped micropores; 160. a wire core.

Detailed Description

In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present utility model with reference to the accompanying drawings. It will be apparent that the described embodiments are merely some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

Referring to fig. 1-3, this embodiment provides an insulated waterproof cable, which includes an outer sheath layer 110, a waterproof layer 120, a water-absorbing layer 130 and a wire core layer, wherein the outer sheath layer, the waterproof layer 120, the water-absorbing layer 130 and the wire core layer are sequentially arranged outside and inside, and the wire core layer includes:

referring to fig. 3, in this embodiment, a waterproof frame 150 is disposed at the inner center of the core layer, where the waterproof frame 150 is formed by combining a fluororubber tube 151 at the center and fluororubber sheets 152 disposed at equal intervals along the circumferential direction of the fluororubber tube 151, and strip-shaped micropores 153 are disposed at the middle of the section of the fluororubber sheet 152 at equal intervals along the length direction thereof, two ends of the strip-shaped micropores 153 are respectively connected with the fluororubber tube 151 and the outer side of the core layer, and when water vapor enters the cable 100 during use of the cable 100, the water vapor enters the fluororubber tube 151 along the strip-shaped micropores 153, and then a high temperature effect is generated during operation of the core 160, so that the water vapor entering the fluororubber tube 151 is discharged from the strip-shaped micropores 153 again under the high temperature effect and is absorbed by the water absorbing layer 130, thereby improving the waterproof effect of the cable 100;

in this embodiment, the core 160 is disposed inside the core layer between two adjacent fluororubber sheets 152;

in this embodiment, the insulating layer 140 is extruded inside the core layer between two adjacent fluororubber sheets 152, and encapsulates the core 160.

As shown in fig. 1, in this embodiment, the water absorbing layer 130 is formed by spirally winding water absorbing cotton ropes at equal intervals along the circumferential direction of the core layer, and the water absorbing cotton ropes are formed by mutually crosslinking a plurality of water absorbing cotton ropes, during the use of the cable 100, the water entering the interior of the cable is absorbed by the water absorbing cotton ropes in the water absorbing layer 130, and the water at a plurality of positions of the water vapor is absorbed onto the water absorbing cotton ropes at a drying position by using a siphon principle (for example, an old kerosene lamp principle), so that the pressure of the water absorbing cotton ropes at the local positions is reduced.

In this embodiment, the insulating layer 140 is formed by co-extrusion of polyethylene and ETFE plastic.

In this embodiment, the outer sheath layer 110 is a neoprene sheath, and the waterproof layer 120 is made of polypropylene.

In this embodiment, the waterproof rack 150 is made of fluororubber, and the waterproof rack 150 is prepared in a prefabricated manner.

To sum up:

in the use process of the cable 100, when water vapor enters the cable 100, the water vapor enters the fluororubber tube 151 along the strip-shaped micropores 153, then a high temperature effect is generated in the working process of the wire core 160, so that the water vapor entering the fluororubber tube 151 is discharged from the strip-shaped micropores 153 again under the high temperature effect and is absorbed by the water absorbing layer 130, the waterproof effect of the cable 100 is improved, meanwhile, the water vapor entering the cable is absorbed by the water absorbing cotton rope inside the water absorbing layer 130, the water at the water vapor multiple positions is absorbed onto the water absorbing cotton rope at the drying positions by utilizing the siphon principle (for example, the old kerosene lamp principle), and the water absorbing cotton rope at the local positions is relieved from the pressure of the water absorbing cotton rope at the drying positions.

Claims

1. The utility model provides an insulating waterproof type cable, includes oversheath layer (110), waterproof layer (120), water absorption layer (130) and the sinle silk layer that sets gradually in the outside, its characterized in that, the sinle silk layer includes:

the waterproof frame (150) is arranged at the inner center position of the wire core layer, wherein the waterproof frame (150) is formed by combining a fluororubber tube (151) at the center position and fluororubber sheets (152) arranged at equal intervals along the circumferential direction of the fluororubber tube (151), strip-shaped micropores (153) are formed at the middle position of the section of the fluororubber sheets (152) at equal intervals along the length direction of the section, and two ends of each strip-shaped micropore (153) are respectively communicated with the fluororubber tube (151) and the outer side of the wire core layer;

the wire core (160) is arranged in the wire core layer between two adjacent fluororubber sheets (152);

and the insulating layer (140) is extruded in the wire core layer between two adjacent fluororubber sheets (152) and coats the wire core (160).

2. An insulated waterproof cable according to claim 1, characterized in that the water-absorbing layer (130) is formed by water-absorbing cotton ropes spirally wound at equal intervals in the circumferential direction of the core layer, and the water-absorbing cotton ropes are formed by crosslinking a plurality of water-absorbing cotton ropes with each other.

3. An insulated waterproof cable according to claim 1, characterized in that the insulating layer (140) is co-extruded with ETFE plastic.

4. The insulated waterproof cable of claim 1, wherein the outer jacket layer (110) is a neoprene jacket, and the waterproof layer (120) is made of polypropylene.

5. The insulated waterproof cable of claim 1, wherein the waterproof rack (150) is made of fluororubber, and the waterproof rack (150) is prepared in a prefabricated form.