CN212724811U

CN212724811U - Mixed heat dissipation cable of well low-voltage core

Info

Publication number: CN212724811U
Application number: CN202021559151.8U
Authority: CN
Inventors: 周传华; 孔庆师
Original assignee: Suzhou Deshengheng Cable Technology Co ltd
Current assignee: Suzhou Deshengheng Cable Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-16
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a mixed heat dissipation cable of low-voltage core and medium-voltage core, which comprises a low-voltage core and a medium-voltage core, wherein a first protective sleeve is arranged outside the low-voltage core, a first shielding layer is wrapped outside the first protective sleeve through a first filling body, an inner cladding is arranged outside the first shielding layer, an outer cladding is arranged outside the inner cladding through a first supporting arm, a medium-voltage core is arranged inside the outer cladding through a second filling body, a second protective sleeve is arranged outside the medium-voltage core, a second supporting arm is arranged between the outer cladding, and a heat dissipation through hole is arranged between the first supporting arm and the second supporting arm, the utility model discloses a low-voltage core and medium-voltage core can realize the conveying treatment of two circuits of medium and low voltage, thereby improving the flexibility of use, and facilitating the ventilation and heat dissipation outside the low-voltage core and the medium-voltage core through hole arranged between the first supporting arm and the second supporting arm, is beneficial to prolonging the service life of the device.

Description

Mixed heat dissipation cable of well low-voltage core

Technical Field

The utility model relates to the technical field of cables, specifically a mixed heat dissipation cable of well low-voltage core.

Background

Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, and is a common and indispensable object in daily life. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like. The electric wire and cable products adopted by the electric power system mainly comprise overhead bare wires, bus bars, electric power cables, branch cables, electromagnetic wires, electric equipment wires and cables for electric power equipment and the like. With the rapid development of science and technology and economy, the requirements on cables are higher and higher in the design and construction of key foundation engineering construction. The power cables are habitually divided into weak current cables 450/750V and below, low voltage cables 0.6/1kV, medium voltage cables 3-35kV, high voltage cables 35-110kV and ultrahigh voltage cables 110-750kV according to different voltage grades.

The existing cable needs to be provided with different cable lines when medium voltage and low voltage are conveyed, so that a large amount of resources are input, energy is not convenient to save, the cable heat dissipation effect is poor, and the service life of the cable is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mixed heat dissipation cable of well low-voltage core to solve current cable, need set up different cable run when carrying middling pressure and low pressure, cause a large amount of drops into of resource, be not convenient for carry on energy-conservingly, the cable radiating effect is relatively poor moreover, thereby influences the life problem of cable.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mixed heat dissipation cable of well low-voltage core, includes low-voltage core and middling pressure heart yearn, the low-voltage core outside is provided with first lag, the first lag outside has first shielding layer through first obturator parcel, first shielding layer outside is provided with the inner cladding quilt, outer quilt is installed through first support arm in the inner cladding quilt outside, the middling pressure heart yearn is installed through the second obturator to outer inside being wrapped, the middling pressure heart yearn outside is provided with the second lag, install the second support arm between the outer quilt, the heat dissipation through-hole has been seted up between first support arm and the second support arm.

Furthermore, the low-voltage core wire and the medium-voltage core wire are both provided with a plurality of wires, and the inner conductors of the low-voltage core wire and the medium-voltage core wire are made of tinned copper.

Further, the first protective sleeve and the second protective sleeve are PUR or PVC protective structure layers.

Further, the inner cladding and the outer cladding adopt low-smoke halogen-free flame retardant layers.

Furthermore, the first supporting arm and the second supporting arm both adopt silicon rubber supporting structures.

Furthermore, the first filling body and the second filling body adopt PP braided ropes.

Furthermore, the first shielding layer adopts a tinned copper braid.

Furthermore, a second shielding layer is installed on the inner side of the outer wrapping quilt, and the second shielding layer is an aluminum foil shielding layer.

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

1. the utility model discloses a low pressure heart yearn and middling pressure heart yearn that are equipped with, low pressure heart yearn and middling pressure heart yearn all are provided with many, and low pressure heart yearn and middling pressure heart yearn inner conductor adopt tin-plated copper, can realize the transport of two kinds of circuits of well low pressure and handle, have improved the flexibility of use, need not to erect two kinds of cable racks and be convenient for carry on energy-conservingly.

2. The utility model discloses and through installing the second support arm between the outer quilt, seted up the heat dissipation through-hole between first support arm and the second support arm, the low pressure heart yearn of being convenient for and middling pressure heart yearn outside ventilate the heat dissipation, are favorable to improving its life.

3. The utility model discloses a first lag, first shielding layer, outer quilt, second lag and inner quilt that are equipped with for the cable has good high temperature resistance, insulating properties, anti-interference, fire behaviour and tensile toughness, is convenient for use under the high strength adverse circumstances.

Drawings

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

fig. 1 is a cross-sectional view of the overall structure of the present invention.

In the figure: 1. a low-voltage core wire; 2. a first protective cover; 3. a first filling body; 4. a first shielding layer; 5. a first support arm; 6. an outer coating; 7. a medium-voltage core wire; 8. a second protective cover; 9. a second filling body; 10. a heat dissipating through hole; 11. a second support arm; 12. the inner quilt.

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, in an embodiment of the present invention, a medium-low voltage core hybrid heat dissipation cable includes a low voltage core 1 and a medium voltage core 7, so as to enable transmission processing of two kinds of medium-low voltage lines, and improve flexibility of use, a first protective cover 2 is disposed outside the low voltage core 1, so as to facilitate insulation protection of an outside of the low voltage core 1, a first shielding layer 4 is wrapped outside the first protective cover 2 through a first filling body 3, an inner quilt 12 is disposed outside the first shielding layer 4, so as to facilitate insulation protection of an outside of the low voltage core 1, an outer quilt 6 is mounted outside the inner quilt 12 through a first supporting arm 5, a medium voltage core 7 is mounted inside the outer quilt 6 through a second filling body 9, a second protective cover 8 is disposed outside the medium voltage core 7, so as to facilitate insulation protection of an outside of the medium voltage core 7, a second supporting arm 11 is mounted between the outer quilts 6, a heat dissipation through hole 10 is disposed between the first supporting arm 5 and, the ventilation and heat dissipation are convenient for the outer sides of the low-voltage core wire 1 and the medium-voltage core wire 7, and the service life of the low-voltage core wire and the medium-voltage core wire is prolonged.

Preferably, the low-voltage core wire 1 and the medium-voltage core wire 7 are both provided with a plurality of wires, and the inner conductors of the low-voltage core wire 1 and the medium-voltage core wire 7 are made of tinned copper, so that the low-voltage and medium-voltage power transmission can be conveniently carried out.

Preferably, the first protective sleeve 2 and the second protective sleeve 8 adopt PUR or PVC protective structure layers, so that the low-voltage core wire 1 and the medium-voltage core wire 7 are conveniently subjected to insulation protection treatment, and the high-temperature resistance and the oil resistance are good.

Preferably, the inner cover 12 and the outer cover 6 adopt low-smoke halogen-free flame retardant layers, so that the flame retardant protection treatment is convenient.

Preferably, first support arm 5 and second support arm 11 all adopt silicon rubber bearing structure, are convenient for support the protection between low pressure heart yearn 1 and the medium voltage heart yearn 7, and support stability is higher.

Preferably, the first filling body 3 and the second filling body 9 are made of PP braided ropes, so that the inner part of the inner envelope 12 and the outer envelope 6 can be supported and protected.

Preferably, first shielding layer 4 adopts the tinned copper weaving layer, is convenient for improve cable inner structure intensity and shield external electromagnetic interference.

Preferably, the second shielding layer is installed to the inside of the outer envelope 6, and the aluminum foil shielding layer is adopted by the second shielding layer, so that the shielding protection treatment is conveniently carried out on the outside of the medium voltage core wire 7.

The utility model discloses a theory of operation and use flow: through the arrangement of the low-voltage core wire 1 and the medium-voltage core wire 7, the low-voltage core wire 1 and the medium-voltage core wire 7 are both provided with a plurality of wires, so that the conveying treatment of a medium-low voltage line and a medium-low voltage line can be realized, and the use flexibility is improved; and install second support arm 11 between by 6 through the outsourcing, seted up heat dissipation through-hole 10 between first support arm 5 and the second support arm 11, be convenient for low pressure heart yearn 1 and the heat dissipation of ventilating in the middling pressure heart yearn 7 outside, be favorable to improving its life.

Finally, it should be noted that: 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. The utility model provides a mixed heat dissipation cable of well low-voltage core, includes low tension core (1) and well low-voltage core (7), its characterized in that: low pressure heart yearn (1) outside is provided with first lag (2), first lag (2) outside has first shielding layer (4) through first obturator (3) parcel, first shielding layer (4) outside is provided with inner cladding (12), outer quilt (6) are installed in the inner cladding (12) outside through first support arm (5), well pressure heart yearn (7) are installed through second obturator (9) to outer quilt (6) inside, well pressure heart yearn (7) outside is provided with second lag (8), install second support arm (11) between outer quilt (6), radiating through-hole (10) have been seted up between first support arm (5) and second support arm (11).

2. The medium-low voltage core hybrid heat dissipation cable of claim 1, wherein: the low-voltage core wire (1) and the medium-voltage core wire (7) are both provided with a plurality of wires, and the inner conductors of the low-voltage core wire (1) and the medium-voltage core wire (7) are made of tinned copper.

3. The medium-low voltage core hybrid heat dissipation cable of claim 1, wherein: the first protective sleeve (2) and the second protective sleeve (8) are PUR or PVC protective structure layers.

4. The medium-low voltage core hybrid heat dissipation cable of claim 1, wherein: the inner cladding (12) and the outer cladding (6) adopt low-smoke halogen-free flame retardant layers.

5. The medium-low voltage core hybrid heat dissipation cable of claim 1, wherein: the first supporting arm (5) and the second supporting arm (11) both adopt silicon rubber supporting structures.

6. The medium-low voltage core hybrid heat dissipation cable of claim 1, wherein: the first filling body (3) and the second filling body (9) adopt PP braided ropes.

7. The medium-low voltage core hybrid heat dissipation cable of claim 1, wherein: the first shielding layer (4) adopts a tinned copper braid.

8. The medium-low voltage core hybrid heat dissipation cable of claim 1, wherein: and a second shielding layer is arranged on the inner side of the outer quilt (6), and the second shielding layer adopts an aluminum foil shielding layer.