CN217822195U

CN217822195U - Anti-interference low-voltage power cable

Info

Publication number: CN217822195U
Application number: CN202222202537.9U
Authority: CN
Inventors: 谢正新
Original assignee: Shenglong Electric Group Wuhan Co ltd
Current assignee: Shenglong Electric Group Wuhan Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-11-15
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses an anti-interference low voltage power cable, relate to cable technical field, specifically include the conductor, the conductor sets up to three, and all fill between the conductor has the shielding layer, shielding layer surface parcel has the insulating layer, the insulating layer surface is equipped with the metal mesh enclosure, the metal mesh enclosure overlaps on the insulating layer, metal mesh enclosure surface mounting has anticorrosive cover, anticorrosive cover parcel is on the metal mesh enclosure, cable joint is installed to anticorrosive cover's one end, cable joint's internally mounted has the contact, the contact runs through cable joint, and link to each other with the conductor, still include cable joint seat, cable joint overlaps on cable joint seat, cable joint seat has seted up a plurality of spread grooves near cable joint's one end, the contact is arranged in the spread groove. This application can shield external mixed and disorderly signal through the shielding layer, and the oxidation that the sealed ring of rethread can avoid the shielding layer to receive outside air corrodes, improves the result of use.

Description

Anti-interference low-voltage power cable

Technical Field

The utility model relates to the technical field of cables, specifically be an anti-interference low voltage power cable.

Background

The power cable is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, and comprises various voltage grades of 1-500 KV and above, and various insulated power cables.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anti-interference low voltage power cable has solved current cable and has received external mixed and disorderly signal's influence easily at the inner conductor in the use, and in last time using, the shielding layer in the cable receives external environment oxidative corrosion's problem easily.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an anti-interference low-voltage power cable comprises three conductors, wherein shielding layers are filled between the conductors, the outer surfaces of the shielding layers are wrapped with insulating layers, metal mesh enclosures are arranged on the outer surfaces of the insulating layers, the metal mesh enclosures are sleeved on the insulating layers, anti-corrosion sleeves are arranged on the outer surfaces of the metal mesh enclosures, and the anti-corrosion sleeves are wrapped on the metal mesh enclosures;

the cable joint is installed to the one end of anticorrosive cover, and cable joint's internally mounted has the contact, and the contact runs through cable joint, and links to each other with the conductor, still includes the cable junction seat, and the cable junction box is on the cable junction seat, and a plurality of spread grooves have been seted up to the one end that the cable junction seat is close to cable joint, and the contact is arranged in the spread groove, a plurality of sealing rings are installed to the one end equidistance that the cable junction seat is close to cable joint, and the sealing ring contacts in cable joint's interior terminal surface.

Optionally, the shielding layer is made of an aluminum magnesium alloy.

Optionally, the outer surface of the anti-corrosion sleeve is provided with a wear-resistant sleeve, and the wear-resistant sleeve is fixed on the outer surface of the anti-corrosion sleeve.

Optionally, the outer surface of the cable connecting seat contacts with the inner surface of the cable connector and is in sealing connection.

Optionally, the outer surface of the cable connecting seat is screwed with a threaded sleeve, and one end of the threaded sleeve close to the cable connector is screwed on the cable connector.

Optionally, a plurality of support frames are installed at the equal distance between the conductors, and the support frames penetrate through the shielding layer and are fixed on the insulating layer.

Optionally, a plurality of reinforcing strips are equidistantly installed on the outer surface of the wear-resistant sleeve.

The utility model discloses possess following beneficial effect: this anti-interference low voltage power cable can avoid the shielding layer to be corroded by external environment oxidation through sealing ring and anticorrosive cover to make the shielding layer can shield the protection to the conductor in the cable, avoid the conductor to receive external mixed and disorderly signal influence and break down, improve the result of use.

Drawings

Fig. 1 is a schematic structural view of an anti-interference low-voltage power cable according to the present invention;

fig. 2 is a cross-sectional view of an anti-interference low voltage power cable of the present invention;

fig. 3 is the utility model relates to an anti-interference low voltage power cable's structural cross section.

In the figure: 1. a conductor; 2. a shielding layer; 3. an insulating layer; 4. a metal mesh enclosure; 5. an anti-corrosion sleeve; 6. a cable joint; 7. a contact; 8. a cable connecting seat; 9. connecting grooves; 10. a seal ring; 11. a wear-resistant sleeve; 12. a threaded sleeve; 13. a support frame; 14. a reinforcing strip.

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 to 3, the present invention provides a technical solution: an anti-interference low-voltage power cable comprises three conductors 1, wherein shielding layers 2 are filled among the conductors 1, and external mixed and disorderly signals can be shielded through the shielding layers 2, so that the conductors 1 are prevented from being damaged due to the influence on the conductors 1;

the outer surface of the shielding layer 2 is wrapped with the insulating layer 3, the conductor 1 can be separated from the external environment under the action of the insulating layer 3, and short circuit caused by connection of the conductor 1 and an external conducting device is avoided;

the metal mesh enclosure 4 is arranged on the outer surface of the insulating layer 3, the metal mesh enclosure 4 is sleeved on the insulating layer 3, the tensile strength of the whole cable can be increased under the action of the metal mesh enclosure 4, and the cable is prevented from being cracked and damaged;

the outer surface of the metal mesh enclosure 4 is provided with the anti-corrosion sleeve 5, the anti-corrosion sleeve 5 is wrapped on the metal mesh enclosure 4, the conductor 1, the shielding layer 2 and the metal mesh enclosure 4 can be prevented from being oxidized and corroded by the external environment under the action of the anti-corrosion sleeve 5, and the using effect is improved

The cable connector comprises an anti-corrosion sleeve 5, a cable connector 6 and a cable connecting seat 8, wherein the cable connector 6 is installed at one end of the anti-corrosion sleeve 5, a contact 7 is installed inside the cable connector 6, the contact 7 penetrates through the cable connector 6 and is connected with a conductor 1, the cable connector 6 is sleeved on the cable connecting seat 8, a plurality of connecting grooves 9 are formed in one end, close to the cable connector 6, of the cable connecting seat 8, the contact 7 is arranged in the connecting grooves 9, the cable connecting seat 8 can be communicated with the conductor 1 through the matching of the contact 7 and the connecting grooves 9, and therefore electric power transmitted by the conductor 1 can be transmitted into an external mechanism;

a plurality of sealing rings 10 are installed to cable junction seat 8 one end equidistance near cable joint 6, and sealing ring 10 contacts in cable joint 6's interior terminal surface, can seal the clearance between cable junction seat 8 and the cable joint 6 under the effect of sealing ring 10 to can avoid contact 7 and the inside conductor 1 of cable and shielding layer 2 to receive external environment oxidation corrosion, improve the protection effect.

Shielding layer 2 is made for almag, can shield the mixed and disorderly signal in the external world, avoids conductor 1 to receive external influence and damage.

The outer surface of the anti-corrosion sleeve 5 is provided with a wear-resistant sleeve 11, the wear-resistant sleeve 11 is fixed on the outer surface of the anti-corrosion sleeve 5, the anti-corrosion sleeve 5 can be protected through the wear-resistant sleeve 11, and the anti-corrosion sleeve 5 is prevented from being worn.

The outer surface of the cable connecting seat 8 is in contact with the inner surface of the cable connector 6 and is in sealing connection, the sealing performance between the cable connecting seat 8 and the cable connector 6 can be further improved, and the using effect is improved.

The outer surface screw thread of cable junction seat 8 has connect soon threaded sleeve 12, and threaded sleeve 12 is close to the one end screw thread of cable joint 6 and connects soon on cable joint 6, can link together cable junction seat 8 and cable joint 6 through threaded sleeve 12, connects firmly, improves the connection effect.

A plurality of support frames 13 are installed to the equidistance between the conductor 1, and support frame 13 runs through shielding layer 2, and fixes on insulating layer 3, can support conductor 1 through support frame 13, avoids conductor 1 to receive the extrusion and damages.

A plurality of reinforcing strips 14 are installed to 11 surface equidistance of wear-resisting cover, can support the cable wholly through reinforcing strips 14, avoid the cable wholly to receive to buckle and damage.

To sum up, this anti-interference low voltage power cable, during the use, insert contact 7 in the spread groove 9, then rotatory thread bush 12, thread bush 12 overlaps on cable joint 6, can separate cable joint 6 with metal mesh enclosure 4 with cable joint 6 under the effect of sealing ring 10 and anticorrosive cover 5, conductor 1, shielding layer 2 and metal mesh enclosure 4, avoid cable joint 6, conductor 1, shielding layer 2 and metal mesh enclosure 4 to receive external environment oxidative corrosion, thereby can make shielding layer 2 keep the shielding effect, carry out anti-jamming protection to conductor 1, avoid conductor 1 to receive external mixed and disorderly signal influence and break down, improve the result of use.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. 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.

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. An anti-interference low voltage power cable, characterized in that: the three-phase current transformer comprises three conductors (1), shielding layers (2) are filled between the conductors (1), an insulating layer (3) wraps the outer surface of each shielding layer (2), a metal net cover (4) is arranged on the outer surface of each insulating layer (3), the metal net cover (4) is sleeved on the insulating layer (3), an anti-corrosion sleeve (5) is mounted on the outer surface of each metal net cover (4), and the anti-corrosion sleeve (5) wraps the metal net cover (4);

cable joint (6) are installed to the one end of anticorrosive cover (5), and the internally mounted of cable joint (6) has contact (7), and cable joint (6) are run through in contact (7), and link to each other with conductor (1), still include cable junction seat (8), and cable junction seat (6) cover is on cable junction seat (8), and a plurality of spread grooves (9) have been seted up to cable junction seat (8) one end near cable junction (6), and spread groove (9) are arranged in contact (7), a plurality of sealing rings (10) are installed to cable junction seat (8) one end equidistance near cable junction (6), and sealing ring (10) contact in the interior terminal surface of cable junction (6).

2. A tamper resistant low voltage power cable according to claim 1, wherein: the shielding layer (2) is made of aluminum magnesium alloy.

3. A tamper resistant low voltage power cable according to claim 1, wherein: the outer surface of the anti-corrosion sleeve (5) is provided with a wear-resistant sleeve (11), and the wear-resistant sleeve (11) is fixed on the outer surface of the anti-corrosion sleeve (5).

4. A tamper resistant low voltage power cable according to claim 1, wherein: the outer surface of the cable connecting seat (8) is contacted with the inner surface of the cable joint (6) and is in sealing connection.

5. A tamper resistant low voltage power cable according to claim 1, wherein: the outer surface of the cable connecting seat (8) is screwed with a threaded sleeve (12), and one end of the threaded sleeve (12) close to the cable joint (6) is screwed on the cable joint (6).

6. A tamper resistant low voltage power cable according to claim 1, wherein: a plurality of support frames (13) are installed to the equidistance between conductor (1), and shielding layer (2) is run through in support frame (13), and fixes on insulating layer (3).

7. A tamper resistant low voltage power cable according to claim 3, wherein: a plurality of reinforcing strips (14) are installed to wear-resisting cover (11) surface equidistance.