CN217426406U

CN217426406U - Environment-friendly photovoltaic power cable

Info

Publication number: CN217426406U
Application number: CN202221171083.7U
Authority: CN
Inventors: 万青山; 郭林祥; 侯少斌
Original assignee: Hunan Xiangjiang Cables Co ltd
Current assignee: Hunan Xiangjiang Cables Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-13
Anticipated expiration: 2032-05-16

Abstract

The utility model belongs to the field of power cables, in particular to an environment-friendly photovoltaic power cable, aiming at the problems that the lengths of the core wires of the traditional power cable are the same as that of the protective sleeve, when the power cable is connected and installed, the protective sleeve needs to be peeled off, the construction efficiency is reduced and the materials are wasted, the utility model provides a proposal that the cable comprises a cable body, the cable body comprises a plurality of core wires and the protective sleeve, a plurality of core wires are all positioned in the protective sleeve, the length of one end of the core wires is longer than that of the protective sleeve, and a filler is filled between the core wires and the protective sleeve, the utility model can avoid the peeling of the redundant protective sleeve, reduce the waste of the protective sleeve materials, improve the wiring efficiency of workers, and simultaneously can conveniently cut off the redundant protective sleeve when a longer core wire is needed to be used, further improve the working efficiency of the workers, and the problem that the core wire is damaged due to the fact that water or foreign matters enter the internal thread sleeve can be avoided.

Description

Environment-friendly photovoltaic power cable

Technical Field

The utility model relates to a power cable technical field especially relates to an environment-friendly photovoltaic power cable.

Background

The power cable is used for transmitting and distributing electric energy, 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, and has a gradually increasing proportion in the power line.

In photovoltaic power generation, a power cable is also needed to be used, the length of a core wire of the traditional power cable is the same as that of a protective sleeve, and the protective sleeve needs to be peeled off when the power cable is connected and installed, so that the construction efficiency is reduced and materials are wasted; therefore, an environment-friendly photovoltaic power cable is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having traditional power cable heart yearn the same with protective sheath length among the prior art, when power cable connects the installation, need peel off the protective sheath, reduced the efficiency of construction and wasted the shortcoming of material, and the environment-friendly photovoltaic power cable who proposes.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides an environment-friendly photovoltaic power cable, includes the cable body, the cable body includes a plurality of heart yearns and protective sheath, and is a plurality of the heart yearn all is located the protective sheath, and is a plurality of the one end length of heart yearn is greater than the one end of protective sheath, and is a plurality of it has the filler to fill between heart yearn and the protective sheath, the heart yearn includes conductor and insulating cover, the fixed circumference outer wall at the conductor of establishing of insulating cover, the circumference outer wall fixedly connected with external screw thread cover of protective sheath, the screw thread department threaded connection of external screw thread cover has the internal thread cover, and the circumference inner wall fixedly connected with cutter of internal thread cover, and the cutter slope sets up, the one end threaded connection that external screw thread cover was kept away from to the internal thread cover has sealed lid.

As the utility model discloses scheme further again, the protective sheath includes fire-retardant layer, separates fire layer and oversheath, the filler sets up the inside on fire-retardant layer, separate the fixed cover of fire layer and establish the circumference outer wall on fire-retardant layer, the fixed cover of oversheath is established at the circumference outer wall that separates the fire layer.

As the utility model discloses further scheme again, it is a plurality of be equipped with the enhancement core between the heart yearn, and strengthen the core and run through the filler.

As a further proposal of the utility model, the circumference outer wall of the internal thread sleeve is fixedly connected with a positioning ring.

As the utility model discloses further scheme again, the circumference outer wall fixedly connected with antiskid circle of internal thread cover.

As the utility model discloses further scheme again, a plurality of evenly distributed's of circumference outer wall fixedly connected with antislip strip of antiskid circle.

As the utility model discloses the scheme of furthering again, it is a plurality of be equipped with the spacer ring between the heart yearn, and be a plurality of the heart yearn all runs through the spacer ring.

As the utility model discloses further scheme again, it is a plurality of the one end that the external screw thread cover was kept away from to the heart yearn is all fixed the cover and is equipped with the heat shrinkable sleeve.

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

1. through the length design with the heart yearn being greater than the setting of protective sheath for the cable body can avoid stripping unnecessary protective sheath when using, reduces the waste of protective sheath material, improves the efficiency of staff's wiring.

2. The cutter that uses through the cooperation of internal thread cover and external screw thread cover for when rotating the external screw thread cover, the cutter that the external screw thread cover can drive the slope rotates, thereby when needs use longer heart yearn, can conveniently amputate unnecessary protective sheath, further improve staff's work efficiency.

3. Through the setting of the sealed lid of one end threaded connection of internal thread cover for can carry out the shutoff through sealed lid to the one end of internal thread cover, thereby avoid water or play the foreign matter and enter into in the internal thread cover and cause the problem that the heart yearn damaged.

The utility model discloses in, can avoid stripping unnecessary protective sheath, reduce the waste of protective sheath material, improve the efficiency of staff's wiring, when needs use longer heart yearn, can conveniently amputate unnecessary protective sheath simultaneously, further improve staff's work efficiency, can also avoid water or play the foreign matter and enter into the internal thread cover and cause the problem that the heart yearn damaged.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of an environment-friendly photovoltaic power cable provided by the present invention;

fig. 2 is a schematic view of a cross-sectional structure of an internal thread sleeve of an environment-friendly photovoltaic power cable provided by the utility model;

fig. 3 is the utility model provides an environment-friendly photovoltaic power cable's cable body sectional structure schematic diagram.

In the figure: 1. a cable body; 2. an external thread sleeve; 3. an internal thread sleeve; 4. a positioning ring; 5. An anti-slip ring; 6. a sealing cover; 7. a core wire; 8. a protective sleeve; 9. a cutter; 10. a spacer ring; 11. thermal shrinkage sleeving; 12. anti-slip strips; 13. a conductor; 14. an insulating sleeve; 15. a filler; 16. A reinforcement core; 17. a flame retardant layer; 18. a fire barrier layer; 19. an outer sheath.

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.

Example one

Referring to fig. 1-3, an environment-friendly photovoltaic power cable, including cable body 1, cable body 1 includes a plurality of heart yearns 7 and protective sheath 8, a plurality of heart yearns 7 all are located protective sheath 8, and the one end length of a plurality of heart yearns 7 is greater than protective sheath 8's one end, it has filler 15 to fill between a plurality of heart yearns 7 and the protective sheath 8, heart yearn 7 includes conductor 13 and insulating cover 14, the fixed circumference outer wall at conductor 13 of insulating cover 14 fixed cover is established, protective sheath 8's circumference outer wall fixedly connected with external screw thread cover 2, the screw thread department threaded connection of external screw thread cover 2 has internal thread cover 3, the circumference inner wall fixedly connected with cutter 9 of internal thread cover 3, and cutter 9 slope sets up, the one end threaded connection that external screw thread cover 2 was kept away from to internal thread cover 3 has sealed lid 6.

Example two

Referring to fig. 1-3, the utility model provides a new technical solution: an environment-friendly photovoltaic power cable comprises a cable body 1, the cable body 1 comprises a plurality of core wires 7 and a protective sleeve 8, the core wires 7 are all positioned in the protective sleeve 8, the protective sleeve 8 comprises a flame-retardant layer 17, a fire-insulating layer 18 and an outer sheath 19, a filler 15 is arranged inside the flame-retardant layer 17, the fire-insulating layer 18 is fixedly sleeved on the circumferential outer wall of the flame-retardant layer 17, the outer sheath 19 is fixedly sleeved on the circumferential outer wall of the fire-insulating layer 18, the protective sleeve 8 plays a role in protecting the core wires 7, a reinforcing core 16 is arranged between the core wires 7 and penetrates through the filler 15, the strength of the cable body 1 is increased through the reinforcing core 16, the length of one end of each core wire 7 is larger than that of one end of the protective sleeve 8, so that the use of the protective sleeve 8 is reduced, the convenience is brought for workers to wire connection, the filler 15 is filled between the core wires 7 and the protective sleeve 8, each core wire 7 comprises a conductor 13 and an insulating sleeve 14, an insulating sleeve 14 is fixedly sleeved on the circumferential outer wall of a conductor 13, a separating ring 10 is arranged between a plurality of core wires 7, the core wires 7 all penetrate through the separating ring 10, the core wires 7 are separated and fixed through the separating ring 10, one ends of the core wires 7 far away from the external thread sleeve 2 are fixedly sleeved with a thermal shrinkage sleeve 11, the thermal shrinkage sleeve 11 protects the conductor 13 in the core wires 7 and prevents the conductor 13 from contacting water, the circumferential outer wall of the protective sleeve 8 is fixedly connected with an external thread sleeve 2, the thread part of the external thread sleeve 2 is in threaded connection with an internal thread sleeve 3, the circumferential inner wall of the internal thread sleeve 3 is fixedly connected with a cutter 9, the cutter 9 is obliquely arranged, the circumferential outer wall of the internal thread sleeve 3 is fixedly connected with a positioning ring 4, the positioning ring 4 is aligned with one end of the protective sleeve 8, people can conveniently observe the leakage length of the core wires 7 through the positioning ring 4, and the circumferential outer wall of the internal thread sleeve 3 is fixedly connected with an anti-slip ring 5, the circumference outer wall fixedly connected with antislip strip 12 of a plurality of evenly distributed of antislip ring 5, make things convenient for people to rotate internal thread cover 3 through antislip ring 5 and antislip strip 12, take off sealed lid 6 after, with internal thread cover 3 rotate and be close to external thread cover 2, when internal thread cover 3 rotates, drive cutter 9 and rotate, progressively cut protective sheath 8 through cutter 9, the one end threaded connection that external thread cover 2 was kept away from to internal thread cover 3 has sealed lid 6, avoid water or foreign matter to enter into in the internal thread cover 3 through sealed lid 6.

The working principle is as follows: during the use, when needs are connected cable body 1, rotate sealed lid 6, take off sealed lid 6, then rotate internal thread cover 3, take off internal thread cover 3, and get rid of pyrocondensation cover 11, thereby conveniently connect cable body 1, when needing longer heart yearn 7 to use, take off sealed lid 6 back, it is close to external thread cover 2 to rotate internal thread cover 3, when internal thread cover 3 rotates, drive cutter 9 and rotate, progressively cut protective sheath 8 through cutter 9, take off internal thread cover 3 again afterwards, further make things convenient for staff's use.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an environment-friendly photovoltaic power cable, includes cable body (1), its characterized in that, cable body (1) includes a plurality of heart yearns (7) and protective sheath (8), and is a plurality of heart yearns (7) all are located protective sheath (8), and a plurality of one end length of heart yearn (7) is greater than the one end of protective sheath (8), and it has filler (15) to fill between a plurality of heart yearns (7) and protective sheath (8), heart yearn (7) include conductor (13) and insulating cover (14), the circumference outer wall at conductor (13) is established to insulating cover (14) fixed cover, the circumference outer wall fixed connection of protective sheath (8) has external screw thread cover (2), and the screw thread department threaded connection of external screw thread cover (2) has interior screw thread cover (3), and the circumference inner wall fixed connection of interior screw thread cover (3) has cutter (9), and cutter (9) slope setting, and one end of the internal thread sleeve (3) far away from the external thread sleeve (2) is in threaded connection with a sealing cover (6).

2. The environment-friendly photovoltaic power cable as claimed in claim 1, wherein the protective sheath (8) comprises a flame retardant layer (17), a fire barrier layer (18) and an outer sheath (19), the filler (15) is disposed inside the flame retardant layer (17), the fire barrier layer (18) is fixedly sleeved on the outer circumferential wall of the flame retardant layer (17), and the outer sheath (19) is fixedly sleeved on the outer circumferential wall of the fire barrier layer (18).

3. The environment-friendly photovoltaic power cable as claimed in claim 1, wherein a reinforcing core (16) is disposed between the plurality of core wires (7), and the reinforcing core (16) penetrates the filler (15).

4. The environment-friendly photovoltaic power cable as claimed in any one of claims 1 to 3, wherein a positioning ring (4) is fixedly connected to the circumferential outer wall of the internal thread sleeve (3).

5. The environment-friendly photovoltaic power cable as claimed in any one of claims 1 to 3, wherein the circumferential outer wall of the internal thread sleeve (3) is fixedly connected with an anti-slip ring (5).

6. The environment-friendly photovoltaic power cable as claimed in claim 5, wherein the circumferential outer wall of the anti-slip ring (5) is fixedly connected with a plurality of evenly distributed anti-slip strips (12).

7. The environment-friendly photovoltaic power cable as claimed in claim 1, wherein a plurality of the core wires (7) are provided with a separation ring (10) therebetween, and the plurality of the core wires (7) penetrate through the separation ring (10).

8. The environment-friendly photovoltaic power cable as claimed in claim 1, wherein a heat-shrinkable sleeve (11) is fixedly sleeved on one end of each of the core wires (7) far away from the external thread sleeve (2).