CN213339720U

CN213339720U - Low-loss power cable

Info

Publication number: CN213339720U
Application number: CN202022355478.XU
Authority: CN
Inventors: 池利利; 康敏华
Original assignee: Zhejiang Huapu Cable Co ltd
Current assignee: Zhejiang Huapu Cable Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-01
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a low-loss power cable, including the cable body, the inside fixed mounting of cable body has the conductor, the outside fixed mounting of conductor has conductor insulation layer, conductor insulation layer's outside fixed mounting has interlayer insulation layer, interlayer insulation layer's outside fixed mounting has the insulating layer, the outside fixed mounting of insulating layer has the insulation shield layer, the outside fixed mounting of insulation shield layer has the metallic shield layer, the outside movable mounting of cable body has insulating locating part, the bottom fixed mounting of insulating locating part has the connector, the bottom fixed mounting of connector has spacing elastic component. Through devices such as relevant arc go-between and concave cardboard to can carry out relevant fixed operation to the cable body, through setting up relevant fixed separation device, thereby can separate the operation with relevant cable body, can reduce the heat that conductive core self produced effectively, also make holistic power transmission more high-efficient simultaneously.

Description

Low-loss power cable

Technical Field

The utility model belongs to the technical field of power cable, concretely relates to low-loss 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 is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater.

It is together winding usually to present cable conductor for when carrying out relevant power transmission, the heat that the cable conductor spreads can influence each other, thereby influences holistic power transmission, also can arouse great energy loss simultaneously, causes great energy extravagant simultaneously, is unfavorable for energy-conserving, the high-efficient operation of electrical equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low-loss power cable to propose current low-loss power cable in solving above-mentioned background art in the use, because the cable often twines together, does not have relevant isolation measure, thereby make influence each other between the cable, cause the problem of certain energy loss.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low-loss power cable, includes the cable body, the inside fixed mounting of cable body has the conductor, the outside fixed mounting of conductor has conductor insulation layer, conductor insulation layer's outside fixed mounting has interlayer insulation layer, interlayer insulation layer's outside fixed mounting has the insulating layer, the outside fixed mounting of insulating layer has the insulation shield layer, the outside fixed mounting of insulation shield layer has the metallic shield layer, the outside movable mounting of cable body has insulating locating part, the bottom fixed mounting of insulating locating part has the connector, the bottom fixed mounting of connector has spacing elastic component, the bottom fixed mounting of spacing elastic component has second half arc go-between, the one end fixed mounting of second half arc go-between has the connection snap ring.

Preferably, a limiting fixture block is fixedly mounted at the other end of the second semi-arc connecting ring, a first semi-arc connecting ring is fixedly mounted on one side of the limiting fixture block, and a connecting notch is formed in the end portion of the first semi-arc connecting ring.

Preferably, a connecting piece is fixedly mounted on the other side of the limiting clamping block, a limiting groove is formed in the outer portion of the connecting piece, and the specification and the size of the limiting groove are matched with those of the limiting clamping block.

Preferably, fixing grooves are formed in two sides of the first semi-arc-shaped connecting ring and two sides of the second semi-arc-shaped connecting ring, a concave clamping plate is fixedly mounted on the outer portions of the fixing grooves, and fastening bolts are fixedly mounted on the top of the concave clamping plate.

Preferably, the specification and the size of the connecting notch are matched with those of the connecting clamping ring.

Preferably, the fastening bolt extends through the female snap-gauge and the second semi-arc connecting ring.

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

1. through setting up relevant devices such as arc go-between and concave cardboard, thereby can carry out relevant fixed operation to the cable body, through setting up relevant fixed separation device, thereby can separate the operation with relevant cable body, can reduce the heat that conductive core self produced effectively, and the heat that produces mutual interference's phenomenon and the energy loss that proximity effect arouse, be favorable to electrical equipment's energy-conservation, also make holistic power transmission more high-efficient simultaneously.

2. Through setting up relevant shielding layer and insulating layer to can strengthen the whole insulating characteristic outside the conductor, can carry out better safeguard measure to the cable body on the one hand, on the other hand is through setting up multiple shielding layer and insulating layer, makes the inside conductor power transmission of cable more high-efficient and stable, through isolated external disturbance, thereby can further reduce the inside holistic energy loss of cable.

Drawings

Fig. 1 is a schematic view of a cable connection structure of the present invention;

fig. 2 is a schematic cross-sectional structure view of the cable of the present invention;

fig. 3 is a schematic view of the sectional structure of the limiting device of the present invention.

In the figure: 1. a cable body; 2. a conductor; 3. a conductor insulation layer; 4. an interlayer insulating layer; 5. an insulating layer; 6. an insulating shield layer; 7. a metal shielding layer; 8. a first semi-arcuate connecting ring; 9. a second semi-arcuate connecting ring; 10. connecting a snap ring; 11. a limiting clamping block; 12. a connecting member; 13. a limiting groove; 14. fixing grooves; 15. a concave card board; 16. fastening a bolt; 17. a connection notch; 18. a limiting elastic part; 19. a connector; 20. an insulating stopper.

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. 1-3, the present invention provides a technical solution: the utility model provides a low-loss power cable, including cable body 1, cable body 1's inside fixed mounting has conductor 2, conductor 2's outside fixed mounting has conductor insulation layer 3, conductor insulation layer 3's outside fixed mounting has interlayer insulation layer 4, interlayer insulation layer 4's outside fixed mounting has insulating layer 5, insulating layer 5's outside fixed mounting has insulating shield 6, insulating shield 6's outside fixed mounting has metallic shield 7, cable body 1's outside movable mounting has insulating locating part 20, insulating locating part 20's bottom fixed mounting has connector 19, connector 19's bottom fixed mounting has spacing elastic component 18, the bottom fixed mounting of spacing elastic component 18 has second half arc go-between 9, the one end fixed mounting of second half arc go-between 9 has connection snap ring 10.

In the embodiment, the conductor 2 is fixedly arranged in the cable body 1, so that the related electric power can be conveniently transmitted, the conductor insulating layer 3 is fixedly arranged on the outer part of the conductor 2, so that the mutual interference between the conductors 2 can be effectively avoided, the interlayer insulating layer 4 is fixedly arranged on the outer part of the conductor insulating layer 3, the material is polymer with certain electric strength, paper insulating medium, insulating layer 5 and insulating shield layer 6 fixed on the outer part of interlayer insulating layer 4, the overall insulation property can be further enhanced, the metal shielding layer 7 is fixedly arranged on the outer part of the insulation shielding layer 6, which is formed by weaving copper strips or copper wires, an insulation limit part 20 is movably arranged outside the cable body 1, through the connecting head 19 and the insulation limiting part 20 connected with the connecting head, the stability and firmness of the whole connection can be further enhanced.

Specifically, the other end of the second semi-arc connecting ring 9 is fixedly provided with a limiting fixture block 11, one side of the limiting fixture block 11 is fixedly provided with a first semi-arc connecting ring 8, and the end of the first semi-arc connecting ring 8 is provided with a connecting notch 17.

In this embodiment, there is spacing fixture block 11 through the other end fixed mounting of second half arc go-between 9, is convenient for carry out relevant connection operation with connecting piece 12, has first half arc go-between 8 to one side fixed mounting of spacing fixture block 11, is convenient for form the joint with second half arc go-between 9, has seted up connection notch 17 to the tip of first half arc go-between 8 for the connection operation of connecting snap ring 10 is more convenient.

Specifically, a connecting piece 12 is fixedly mounted on the other side of the limiting clamping block 11, a limiting groove 13 is formed in the outer portion of the connecting piece 12, and the specification and the size of the limiting groove 13 are matched with those of the limiting clamping block 11.

In this embodiment, there is connecting piece 12 through the opposite side fixed mounting of spacing fixture block 11, is convenient for connect relevant half arc go-between for the connection operation of relevant cable is more convenient, has seted up spacing groove 13 to the outside of connecting piece 12, and the specification and size of spacing groove 13 and the specification and size looks adaptation of spacing fixture block 11, makes holistic connection operation more convenient.

Specifically, fixing grooves 14 are formed in two sides of the first semi-arc connecting ring 8 and the second semi-arc connecting ring 9, a concave clamping plate 15 is fixedly mounted on the outer portion of each fixing groove 14, and a fastening bolt 16 is fixedly mounted on the top of each concave clamping plate 15.

In this embodiment, fixed slot 14 has all been seted up through the both sides of first half arc go-between 8 and second half arc go-between 9 for the holistic joint of concave type cardboard 15 is fixed more convenient, and to the top fixed mounting of concave type cardboard 15 there is fastening bolt 16, is convenient for strengthen overall connection structure's fastness.

Specifically, the specification of the connecting notch 17 is matched with the specification of the connecting snap ring 10.

In this embodiment, specification and dimension through connecting notch 17 and the specification and dimension looks adaptation of connecting snap ring 10 to make holistic joint simple operation more.

Specifically, the fastening bolt 16 penetrates through the concave chuck plate 15 and the second semi-arc connecting ring 9.

In this embodiment, the fastening bolt 16 penetrates through the concave clamping plate 15 and the second half-arc connecting ring 9, so that the whole fixing is firmer, and the stability of the whole structure is further enhanced.

The utility model discloses a theory of operation and use flow: when the cable body fixing device is used, the related cable body 1 can be inserted into the first semi-arc connecting ring 8 and the second semi-arc connecting ring 9, the insulating limiting part 20 is tightly attached to the outer wall of the cable body 1 through extrusion of the limiting elastic part 18, the first semi-arc connecting ring 8 and the second semi-arc connecting ring 9 can form a fixing measure for the related cable body 1 through the connection clamping ring 10 penetrating through the connecting notch 17 of the first semi-arc connecting ring 8, the concave clamping plate 15 can be clamped at the fixing groove 14 of the first semi-arc connecting ring 8 and the second semi-arc connecting ring 9 at the moment, the firmness of the overall connection is further enhanced through the fastening bolt 16, the limiting clamping block 11 on one side of the first semi-arc connecting ring 8 and the second semi-arc connecting ring 9 can be clamped with the connecting piece 12, the plurality of limiting grooves 13 are formed outside the connecting piece 12, be convenient for connect the operation with a plurality of connecting device, through setting up relevant connecting device and separator to can separate fixed operation to relevant cable, thereby make when moving, can effectively avoid mutual interference's problem to appear, make holistic transmission more high-efficient on the one hand, on the other hand has also reduced holistic energy consumption loss, further improves holistic work efficiency.

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. A low loss power cable comprising a cable body (1), characterized in that: the cable comprises a cable body (1), a conductor (2) is fixedly arranged in the cable body (1), a conductor insulating layer (3) is fixedly arranged outside the conductor insulating layer (2), an interlayer insulating layer (4) is fixedly arranged outside the conductor insulating layer (3), an insulating layer (5) is fixedly arranged outside the interlayer insulating layer (4), an insulating shielding layer (6) is fixedly arranged outside the insulating layer (5), a metal shielding layer (7) is fixedly arranged outside the insulating shielding layer (6), an insulating limiting part (20) is movably arranged outside the cable body (1), a connector (19) is fixedly arranged at the bottom of the insulating limiting part (20), a limiting elastic part (18) is fixedly arranged at the bottom of the connector (19), and a second semi-arc connecting ring (9) is fixedly arranged at the bottom of the limiting elastic part (18), one end of the second semi-arc connecting ring (9) is fixedly provided with a connecting snap ring (10).

2. A low loss power cable according to claim 1, wherein: the other end of the second semi-arc connecting ring (9) is fixedly provided with a limiting clamping block (11), one side of the limiting clamping block (11) is fixedly provided with a first semi-arc connecting ring (8), and the end part of the first semi-arc connecting ring (8) is provided with a connecting notch (17).

3. A low loss power cable according to claim 2, wherein: the other side fixed mounting of spacing fixture block (11) has connecting piece (12), spacing groove (13) have been seted up to the outside of connecting piece (12), and the specification and dimension of spacing groove (13) and the specification and dimension looks adaptation of spacing fixture block (11).

4. A low loss power cable according to claim 2, wherein: fixing grooves (14) are formed in two sides of the first semi-arc connecting ring (8) and the second semi-arc connecting ring (9), a concave clamping plate (15) is fixedly mounted on the outer portion of each fixing groove (14), and fastening bolts (16) are fixedly mounted on the tops of the concave clamping plates (15).

5. A low loss power cable according to claim 2, wherein: and the specification and the size of the connecting notch (17) are matched with those of the connecting snap ring (10).

6. A low loss power cable according to claim 4, wherein: the fastening bolt (16) penetrates through the concave clamping plate (15) and the second half arc-shaped connecting ring (9).