CN215600114U

CN215600114U - Underwater photovoltaic cable resistant to water erosion

Info

Publication number: CN215600114U
Application number: CN202121583047.7U
Authority: CN
Inventors: 吕俊军; 陈阳; 潘静; 常勇; 潘钰; 李庆平; 潘骁; 范娇娇; 王宪生; 纪骏
Original assignee: Jiangsu Jinyou Electric Co ltd
Current assignee: Jiangsu Jinyou Electric Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-21
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a water erosion resistant underwater photovoltaic cable, which comprises a groove body, wherein wire cores are uniformly arranged in an inner cavity of the groove body, sealant is arranged between the wire cores and the groove body, a polyurethane waterproof layer is arranged on the outer wall of the groove body, an inner protective sleeve is arranged at one end, away from the wire cores, of the polyurethane waterproof layer, a reserved cavity is arranged at one end, away from the groove body, of the inner protective sleeve, buffer components are arranged at equal intervals in the inner cavity of the reserved cavity, an outer protective sleeve is arranged at one end, away from the polyurethane waterproof layer, of the reserved cavity, telescopic components are arranged on the left side wall and the right side wall of the outer protective sleeve, through arranging a reset spring, a first movable sleeve and a second movable sleeve can move in a telescopic mode, sawteeth on the surface of the outer protective sleeve can extend out, the wire cores in the inner part can be protected, the purpose of preventing underwater organisms from biting and damaging a surface layer after the traditional cable is placed underwater is solved, and the problem that the short circuit of the cable affects the terminal electric appliance.

Description

Underwater photovoltaic cable resistant to water erosion

Technical Field

The utility model relates to the technical field of cables, in particular to an underwater photovoltaic cable resistant to water erosion.

Background

At present, along with the increasing severity of the problems of land resource shortage, population expansion, environmental deterioration and the like, coastal countries have seen a lot of attentions towards oceans, so that the development and utilization of oceans are accelerated, along with the deepening of ocean exploration, new requirements are also provided for undersea exploration equipment and accessories used by the equipment, the exploration equipment needs to use electrical equipment and cables in deeper seawater in the undersea exploration process, the underwater cables are mainly applied to the underwater electrical equipment, the functions of power transmission, signal control, information transfer, emission and the like are realized, along with the development of social economy, the quality requirements of the cables are also continuously improved, but certain problems still exist, and the specific problems are as follows:

present cable under water is after laying the completion, can receive the bite of aquatic fish, cause the damage to the cable, lead to the cable electric leakage, cause the cable short circuit, cause the paralysed occurence of failure of circuit, present cable soaks in aqueous for a long time in addition, do not have the characteristic of better resistant water erosion, when underwater equipment removes simultaneously, the cable also must need to remove, at the in-process that removes, current cable receives external force to pull the easy damaged condition that appears, the life of cable has been reduced, and then water can follow the cable in the following current leads to equipment to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an underwater photovoltaic cable resistant to water erosion so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a photovoltaic cable under water of water erosion resistance, includes the cell body, the inner chamber of cell body evenly is provided with the sinle silk, be provided with sealed glue between sinle silk and the cell body, the outer wall of cell body is provided with the polyurethane waterproof layer, the one end that the sinle silk was kept away from to the polyurethane waterproof layer is provided with interior protective sheath, the one end that the cell body was kept away from to interior protective sheath is provided with reserves the chamber, the inner chamber equidistant buffer assembly that is provided with in reservation chamber, the one end of reserving the chamber and keeping away from the polyurethane waterproof layer is provided with outer protective sheath, outer protective sheath all is provided with flexible subassembly about.

Preferably, the number of the wire cores is provided with six groups, the two groups of the wire cores are annularly arranged around the circle center of the groove body, and the outer walls of the six groups of the wire cores are provided with fluoroplastic insulating layers.

Based on above-mentioned technical characteristics, through setting up six group's sinle silks for the cable is more durable, makes the cable have better insulating nature simultaneously through setting up fluoroplastics insulating layer.

Preferably, the inner cavities of the outer protective sleeve and the inner protective sleeve are provided with reinforcing ribs, and the longitudinal sections of the reinforcing ribs are of honeycomb structures.

Based on above-mentioned technical characteristics, through setting up honeycomb's strengthening rib for the inner structure of outer protective sheath and interior protective sheath is more stable, has improved the intensity of outer protective sheath and interior protective sheath, and then has improved the compressive property of sinle silk.

Preferably, the buffering subassembly includes first buffer block, buffer spring and second buffer block, the equidistant outer wall that is located interior protective sheath of second buffer block of buffering subassembly, the equidistant first buffer block that is provided with of one end that interior protective sheath is close to outer protective sheath, be provided with buffer spring between first buffer block and the second buffer block.

Based on above-mentioned technical characteristics, when the cable received to drag, first buffer block and second buffer block simultaneous movement extrude buffer spring, and buffer spring atress produces deformation and cushions dragging the power, and then can avoid the condition that the disconnection appears in the cable.

Preferably, flexible subassembly includes first movable sleeve, first connecting block, reset spring, connecting seat, fixing base, second connecting block and second movable sleeve, flexible subassembly's connecting seat is located lateral wall about the outer protective sheath, and is two sets of the one end that the chamber was reserved is kept away from to the connecting seat all is fixed with the fixing base, and is two sets of the top of fixing base is all movable and is provided with first connecting block, and is two sets of install first movable sleeve between the first connecting block, and is two sets of the bottom of fixing base is all movable and is provided with the second connecting block, and is two sets of install the second movable sleeve between the second connecting block, it is two sets of all be provided with reset spring between first connecting block and the second connecting block.

Based on above-mentioned technical characteristics, when the cable was placed under water, under the impact of rivers for first movable sleeve and second movable sleeve remove to the direction of sinle silk simultaneously, and then can make reset spring extruded, protect outer protective sheath, and then can protect the inside sinle silk of cell body better.

Preferably, two sets of equidistant sawtooth that is provided with between the flexible subassembly, and the fixed outer wall that sets up at outer protective sheath of sawtooth.

Based on above-mentioned technical characteristics, be convenient for protect the outer protective sheath, prevent that the external protective sheath of biology under water from baiting and causing the cable damaged.

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

(1) by arranging the reset spring, the first movable sleeve and the second movable sleeve can move in a telescopic manner, so that the sawteeth on the surface of the outer protective sleeve can extend out, the wire core inside the cable core can be protected conveniently, the purpose of preventing underwater organisms from biting and damaging the cable core is achieved, and the problems that the surface layer is damaged after the traditional cable is placed underwater and the cable short circuit affects the tail end electrical appliance are solved;

(2) through setting up outer protective sheath, polyurethane waterproof layer and interior protective sheath for the cable can be protected well, and then make the cable have the characteristic of water erosion resistance, through set up the reservation chamber between polyurethane waterproof layer and interior protective sheath, when the cable at the in-process of dragging, first buffer block and second buffer block extrude buffer spring, thereby can cushion the power of dragging, avoid the cracked condition to appear in the cable, be convenient for prolong the life of cable.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic diagram of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. an outer protective sheath; 2. saw teeth; 3. a telescoping assembly; 301. a first movable sleeve; 302. a first connection block; 303. a return spring; 304. a connecting seat; 305. a fixed seat; 306. a second connecting block; 307. a second movable sleeve; 4. a wire core; 5. a fluoroplastic insulating layer; 6. a trough body; 7. sealing glue; 8. a polyurethane waterproof layer; 9. an inner protective sheath; 10. reserving a cavity; 11. a buffer assembly; 1101. a first buffer block; 1102. a buffer spring; 1103. a second buffer block; 12. and (5) reinforcing ribs.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides a waterproof underwater photovoltaic cable that corrodes, includes outer protective sheath 1, sawtooth 2, flexible subassembly 3, sinle silk 4, fluoroplastics insulating layer 5, cell body 6, sealed glue 7, polyurethane waterproof layer 8, interior protective sheath 9, reserve chamber 10, buffer unit 11, strengthening rib 12.

The number of sinle silk 4 is provided with six groups, and two sets of sinle silks 4 are arranged about the centre of a circle annular of cell body 6, and the outer wall of six group sinle silks 4 all is provided with fluoroplastics insulating layer 5.

Through setting up six group sinle silks 4 for the cable is more durable, makes the cable have better insulating nature through setting up fluoroplastics insulating layer 5 simultaneously (refer to figure 1 in the description drawings).

Sealant 7 is arranged between the wire core 4 and the groove body 6, a polyurethane waterproof layer 8 is arranged on the outer wall of the groove body 6, an inner protective sleeve 9 is arranged at one end, away from the wire core 4, of the polyurethane waterproof layer 8, a reserved cavity 10 is arranged at one end, away from the groove body 6, of the inner protective sleeve 9, buffer assemblies 11 are arranged at equal intervals in the inner cavity of the reserved cavity 10, each buffer assembly 11 comprises a first buffer block 1101, a buffer spring 1102 and a second buffer block 1103, the second buffer blocks 1103 of the buffer assemblies 11 are located on the outer wall of the inner protective sleeve 9 at equal intervals, first buffer blocks 1101 are arranged at one end, close to the inner protective sleeve 9, of the outer protective sleeve 1 at equal intervals, and the buffer springs 1102 are arranged between the first buffer blocks 1101 and the second buffer blocks 1103;

when the cable is pulled, the first buffer block 1101 and the second buffer block 1103 move simultaneously to extrude the buffer spring 1102, the buffer spring 1102 is stressed to deform to buffer the pulling force, and then the cable can be prevented from being disconnected (see fig. 1 and 2 in the attached drawings of the specification).

An outer protective sleeve 1 is arranged at one end of the reserved cavity 10 far away from the polyurethane waterproof layer 8, reinforcing ribs 12 are arranged in the inner cavities of the outer protective sleeve 1 and the inner protective sleeve 9, and the longitudinal sections of the reinforcing ribs 12 are of honeycomb structures;

through setting up honeycomb structure's strengthening rib 12 for the inner structure of outer protective sheath 1 and interior protective sheath 9 is more stable, has improved the intensity of outer protective sheath 1 and interior protective sheath 9, and then has improved the compressive property of sinle silk 4 (refer to fig. 1 and 2 in the description attached drawing).

The left side wall and the right side wall of the outer protective sleeve 1 are both provided with a telescopic assembly 3, each telescopic assembly 3 comprises a first movable sleeve 301, a first connecting block 302, a reset spring 303, connecting seats 304, fixing seats 305, a second connecting block 306 and a second movable sleeve 307, the connecting seats 304 of the telescopic assemblies 3 are positioned on the left side wall and the right side wall of the outer protective sleeve 1, one ends of the two groups of connecting seats 304, which are far away from the reserved cavity 10, are both fixedly provided with the fixing seats 305, the tops of the two groups of fixing seats 305 are both movably provided with the first connecting blocks 302, the first movable sleeves 301 are installed between the two groups of first connecting blocks 302, the bottoms of the two groups of fixing seats 305 are both movably provided with the second connecting blocks 306, the second movable sleeves 307 are installed between the two groups of second connecting blocks 306, and the reset springs 303 are both arranged between the two groups of first connecting blocks 302 and the second connecting blocks 306;

when the cable is placed underwater, under the impact of water flow, the first movable sleeve 301 and the second movable sleeve 307 move towards the wire core 4 at the same time, so that the return spring 303 is extruded, the outer protective sleeve 1 is protected, and the wire core 4 inside the groove body 6 can be better protected (see fig. 1 and 3 in the attached drawings of the specification).

The sawteeth 2 are arranged between the two groups of telescopic assemblies 3 at equal intervals, and the sawteeth 2 are fixedly arranged on the outer wall of the outer protective sleeve 1;

the outer protective sleeve 1 is protected conveniently, and the cable damage caused by the bite of the outer protective sleeve 1 by underwater creatures is prevented (refer to figures 1 and 3 in the attached drawings of the specification).

The working principle is as follows: when the cable is used, the cable is put into water, the cable is under the pressure of water when the cable is under the water, under the elastic force action of the reset spring 303, the first movable sleeve 301 and the second movable sleeve 307 stretch back and forth, when the first movable sleeve 301 and the second movable sleeve 307 move towards the wire core 4, the saw teeth 2 on the surface of the outer protective sleeve 1 stretch out, the cable is effectively prevented from being damaged by underwater organisms, the problem that the surface layer of the cable is damaged and the cable short circuit affects terminal electric appliances is solved, the fluoroplastic insulating layer 5 is arranged on the outer wall of the wire core 4, so that the cable has better insulating property, the wire core 4 in the inner cavity of the groove body 6 can be better protected through the mutual matching of the outer protective sleeve 1, the polyurethane waterproof layer 8 and the inner protective sleeve 9, so that the cable has the advantage of resisting water erosion, the reinforcing ribs 12 with a honeycomb structure are arranged in the inner cavities of the outer protective sleeve 1 and the inner protective sleeve 9, make outer protective sheath 1 and inner protective sheath 9's inner structure more stable, outer protective sheath 1 and inner protective sheath 9's intensity has been improved, and then the compressive property of sinle silk 4 has been improved, simultaneously through setting up buffering subassembly 11 at the inner chamber of reserving chamber 10, when sinle silk 4 receives when dragging at the in-process that uses, first buffer block 1101 and second buffer block 1103 extrude buffer spring 1102, buffer spring 1102 atress produces deformation and cushions the power of dragging, avoid causing the condition of cable disconnection, the life of cable has further been prolonged.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides a water erosion resistant underwater photovoltaic cable, includes cell body (6), its characterized in that: the inner chamber of cell body (6) evenly is provided with sinle silk (4), be provided with sealed glue (7) between sinle silk (4) and cell body (6), the outer wall of cell body (6) is provided with polyurethane waterproof layer (8), the one end that sinle silk (4) were kept away from in polyurethane waterproof layer (8) is provided with interior protective sheath (9), the one end that cell body (6) were kept away from in interior protective sheath (9) is provided with reserves chamber (10), the inner chamber equidistant buffering subassembly (11) that is provided with of reserving chamber (10), the one end that polyurethane waterproof layer (8) were kept away from in reservation chamber (10) is provided with outer protective sheath (1), lateral wall all is provided with flexible subassembly (3) about outer protective sheath (1).

2. The underwater photovoltaic cable resistant to water erosion of claim 1, wherein: the number of sinle silk (4) is provided with six groups, and is two sets of sinle silk (4) are arranged about the centre of a circle annular of cell body (6), and six groups the outer wall of sinle silk (4) all is provided with fluoroplastics insulating layer (5).

3. The underwater photovoltaic cable resistant to water erosion of claim 1, wherein: the inner cavities of the outer protective sleeve (1) and the inner protective sleeve (9) are provided with reinforcing ribs (12), and the longitudinal sections of the reinforcing ribs (12) are of honeycomb structures.

4. The underwater photovoltaic cable resistant to water erosion of claim 1, wherein: buffer unit (11) include first buffer block (1101), buffer spring (1102) and second buffer block (1103), second buffer block (1103) of buffer unit (11) are equidistant to be located the outer wall of interior protective sheath (9), the one end that outer protective sheath (1) is close to interior protective sheath (9) is equidistant to be provided with first buffer block (1101), be provided with buffer spring (1102) between first buffer block (1101) and second buffer block (1103).

5. The underwater photovoltaic cable resistant to water erosion of claim 1, wherein: the telescopic component (3) comprises a first movable sleeve (301), a first connecting block (302), a return spring (303), a connecting seat (304), a fixed seat (305), a second connecting block (306) and a second movable sleeve (307), connecting seat (304) of flexible subassembly (3) are located lateral wall about outer protective sheath (1), and are two sets of the one end of keeping away from reservation chamber (10) in connecting seat (304) all is fixed with fixing base (305), and is two sets of the top of fixing base (305) is all movable and is provided with first connecting block (302), and is two sets of install first movable sleeve (301) between first connecting block (302), and is two sets of the bottom of fixing base (305) is all movable and is provided with second connecting block (306), and is two sets of install second movable sleeve (307) between second connecting block (306), and is two sets all be provided with reset spring (303) between first connecting block (302) and second connecting block (306).

6. The underwater photovoltaic cable resistant to water erosion of claim 1, wherein: two sets of equidistant sawtooth (2) are provided with between flexible subassembly (3), and sawtooth (2) are fixed to be set up the outer wall in outer protective sheath (1).