CN216902296U

CN216902296U - Flat digital photoelectric lead-in wire

Info

Publication number: CN216902296U
Application number: CN202120997355.8U
Authority: CN
Inventors: 蒋凯
Original assignee: Nanjing Fuda Wire And Cable Co ltd
Current assignee: Nanjing Fuda Wire And Cable Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-07-05
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a flat digital photoelectric lead-in wire, and relates to the technical field of wires and cables. The electric wire comprises an electric wire body, wherein an outer protective layer, an armor layer and an inner protective layer are sequentially distributed on the electric wire body from outside to inside; the inner protection layer is internally provided with four cables and two signal wires, and gaps among the inner protection layer, the cables and the signal wires are filled with a flame retardant material I; the two signal wires are respectively arranged at two sides of the four cable wires; the cable is sequentially provided with an outer sheath and a diamagnetic layer from outside to inside; the middle part of the cable is provided with a core wire; a shielding layer is distributed on the periphery of the core wire; the periphery of the shielding layer is provided with a second insulating layer; a second flame-retardant material is filled between the second insulating layer and the diamagnetic layer; a conductor is arranged at the center of the signal line; the periphery of the conductor is provided with a first insulating layer. The flat digital photoelectric lead-in wire provided by the utility model has the advantages of reasonable structure, high strength and good flame retardant property, and can prevent further spread of fire when the wire meets fire, so that the wire is safer to use.

Description

Flat digital photoelectric lead-in wire

Technical Field

The utility model belongs to the technical field of electric wires and cables, and particularly relates to a flat digital photoelectric lead-in electric wire.

Background

The flat wire cable is produced by standard organization, is suitable for mobile electric equipment with the AC rated voltage of 450V/70V or below, and is particularly suitable for frequently bent occasions, does not twist and is neatly folded, such as a travelling crane. The YB, YBF and YBZ products can meet the requirements of various occasions. The device is suitable for electrical connection among mobile device equipment in severe environments such as power generation, metallurgy, chemical industry, harbors and the like.

The existing flat electric wire for digital photoelectric introduction is not reasonable enough in design and low in strength, and when the electric wire is in fire, the electric wire is easy to damage and even burn, so that potential safety hazards are brought.

Aiming at the above situation, the flat digital photoelectric lead-in wire in the prior demand has the advantages of reasonable structure and high strength, has good flame retardant property, and can prevent further diffusion of fire when the wire meets fire, so that the wire is safer to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flat digital photoelectric lead-in wire, which realizes the purposes of reasonable structure and high strength, has good flame retardant property, and can prevent further spread of fire when the wire meets fire, so that the wire is safer to use.

The utility model provides the following technical scheme:

the flat digital photoelectric lead-in wire comprises a wire body, wherein an outer protective layer, an armor layer and an inner protective layer are sequentially arranged on the wire body from outside to inside; four cable wires and two signal wires are arranged in the inner protection layer, and gaps among the inner protection layer, the cable wires and the signal wires are filled with a first flame-retardant material; the two signal wires are respectively arranged on two sides of the four cables; the cable is sequentially provided with an outer sheath and a diamagnetic layer from outside to inside; a core wire is arranged in the middle of the cable; a shielding layer is distributed on the periphery of the core wire; a second insulating layer is arranged at the periphery of the shielding layer; a second flame retardant material is filled between the second insulating layer and the diamagnetic layer; a conductor is arranged at the center of the signal line; and the periphery of the conductor is provided with a first insulating layer.

Preferably, a plurality of brackets are arranged in the inner protective layer; the brackets are arranged on the periphery of each cable and the signal line, and the two adjacent brackets are connected through a fixing plate.

Preferably, each cable line comprises four core wires, and an included angle between every two adjacent core wires is 90 degrees; and partition bars are arranged in the two adjacent core wires.

Preferably, the division bars are made of electrodeless nano flame-retardant composite polyolefin.

Preferably, a high-temperature resistant layer is arranged between the armor layer and the inner protective layer.

Preferably, the four cables are arranged in the middle of the wire body at equal intervals, and the cables and the central axis of the signal line are arranged on the same plane.

Preferably, the outer protective layer is made of PVCF; the inner protective layer is made of HDPE.

The utility model has the beneficial effects that:

(1) the fixing plate and the bracket are additionally arranged, the cable and the signal wire are arranged in the bracket to prevent the cable and the signal wire from deviating, and meanwhile, the mechanical strength of the cable and the signal wire is improved, so that the cable is more stable to use.

(2) The flame-retardant cable is characterized in that a first flame-retardant material is filled among the inner protective layer, the cable and the signal wire, and a second flame-retardant material is filled inside the cable; and in order to further protect the electric wire, a division bar is additionally arranged between the core wires, so that the electric wire has better flame retardant property and is safer and more reliable to use.

(3) The structure of the utility model has symmetry, and the inner protective layer and the outer protective layer are added to increase the flexibility and the ductility of the electric wire and improve the mechanical strength of the electric wire, and the high temperature resistant layer is arranged to protect the electric wire and prolong the service life of the electric wire.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic structural view of the present invention.

Description of reference numerals:

1. a wire body; 101. an outer jacket; 102. an armor layer; 103. a high temperature resistant layer; 104. an inner protective layer; 105. flame retardant material one; 2. a cable wire; 201. a second flame retardant material; 202. an outer sheath; 203. a diamagnetic layer; 3. a signal line; 301. a conductor; 301. a first insulating layer; 4. a fixing plate; 401. a support; 5. a parting strip; 6. a core wire; 601. a shielding layer; 602. and a second insulating layer.

Detailed Description

The first embodiment is as follows:

as shown in the figure, the flat digital photoelectric lead-in wire comprises a wire body 1, wherein an outer protective layer 101, an armor layer 102 and an inner protective layer 104 are sequentially arranged on the wire body 1 from outside to inside; the outer protective layer 101 is made of PVCF; the inner sheath 104 is made of HDPE, the flexibility and ductility of the electric wire are improved by additionally arranging the outer sheath 101, and the mechanical strength of the electric wire is improved by additionally arranging the inner sheath 104 and the armor layer 102; high temperature resistant layer 103 has been laid between armor 102 and the inner sheath 104, and the filler that is equipped with in high temperature resistant layer 103 can effectively avoid leading to the electric wire to take place ageing because of generating heat, prolongs the life of electric wire.

Four cables 2 and two signal wires 3 are arranged in the inner protection layer 104, and gaps among the inner protection layer 104, the cables 2 and the signal wires 3 are filled with a first flame retardant material 105; the two signal wires 3 are respectively arranged at two sides of the four cable wires 2; the four cables 2 are arranged in the middle of the wire body 1 at equal intervals, and the central axes of the cables 2 and the signal wires 3 are arranged on the same plane, so that the internal structure of the wire is symmetrical and reasonable in structure; a conductor 301 is arranged at the center of the signal wire 3; an insulating layer I302 is distributed on the periphery of the conductor 301; the cable 2 is sequentially provided with an outer sheath 202 and a diamagnetic layer 203 from outside to inside; the outer sheath 202 is made of PVC; the middle part of the cable 2 is provided with a core wire 6; a shielding layer 601 is arranged on the periphery of the core wire 6, and the shielding layer 601 is made of titanium alloy and used for shielding external interference; a second insulating layer 602 is distributed at the periphery of the shielding layer 601; a second flame retardant material 201 is filled between the second insulating layer 602 and the diamagnetic layer 203; the first flame-retardant material 105 and the second flame-retardant material 201 are both made of inorganic nano flame-retardant composite polyolefin, so that when the electric wire encounters fire, the electric wire can be prevented from further spreading, and the electric wire is protected.

Example two:

the present embodiment is different from the first embodiment in that: a plurality of brackets 401 are arranged in the inner sheath 104; the brackets 401 are arranged at the periphery of each cable 2 and each signal wire 3, and two adjacent brackets 401 are connected through the fixing plate 4, so that the cable 2 and the signal wires are prevented from deviating, and meanwhile, the bearing capacity of the cable 2 and the signal wires 3 is enhanced, and the electric wires are more stable and reliable to use. Except for the above distinguishing features, the other features are the same as those of the first embodiment.

Example three:

the present embodiment is different from the first and second embodiments in that: each cable 2 comprises four core wires 6, and the included angle between every two adjacent core wires 6 is 90 degrees; the two adjacent core wires 6 are internally provided with a division bar 5; the parting bead 5 is made of inorganic nano flame-retardant composite polyolefin, and the electric wire is further protected by additionally arranging the parting bead 5, so that the electric wire has better flame retardant property and is safer to use. Except for the above distinguishing features, the other features are the same as the embodiment.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Flat digital photoelectric introduction electric wire, including electric wire body (1), its characterized in that: the electric wire body (1) is sequentially provided with an outer protective layer (101), an armor layer (102) and an inner protective layer (104) from outside to inside; four cable wires (2) and two signal wires (3) are arranged in the inner protective layer (104), and gaps among the inner protective layer (104), the cable wires (2) and the signal wires (3) are filled with a flame retardant material I (105); the two signal wires (3) are respectively arranged at two sides of the four cables (2); the cable (2) is sequentially provided with an outer sheath (202) and a diamagnetic layer (203) from outside to inside; a core wire (6) is arranged in the middle of the cable (2); a shielding layer (601) is arranged at the periphery of the core wire (6); a second insulating layer (602) is distributed at the periphery of the shielding layer (601); a second flame retardant material (201) is filled between the second insulating layer (602) and the diamagnetic layer (203); a conductor (301) is arranged at the center of the signal wire (3); and a first insulating layer (302) is distributed on the periphery of the conductor (301).

2. The flat digital photoelectric lead-in wire of claim 1, wherein: a plurality of brackets (401) are arranged in the inner protective layer (104); the brackets (401) are arranged on the periphery of each cable (2) and the signal line (3), and two adjacent brackets (401) are connected through a fixing plate (4).

3. The flat digital photoelectric lead-in wire of claim 1, wherein: each cable (2) comprises four core wires (6), and an included angle between every two adjacent core wires (6) is 90 degrees; and partition bars (5) are distributed in the two adjacent core wires (6).

4. The flat digital photoelectric lead-in wire of claim 3, wherein: the division bars (5) are made of electrodeless nano flame-retardant composite polyolefin.

5. The flat digital photoelectric drop wire of any one of claims 1 to 4, wherein: and a high-temperature-resistant layer (103) is arranged between the armor layer (102) and the inner protective layer (104).

6. The flat digital photovoltaic drop wire of claim 1, wherein: four the cables (2) are arranged at equal intervals in the middle of the wire body (1), and the cables (2) and the central axis of the signal wire (3) are arranged on the same plane.

7. The flat digital photoelectric lead-in wire of claim 1, wherein: the outer protective layer (101) is made of PVCF; the inner protective layer (104) is made of HDPE.