CN219321084U - Waterproof type photovoltaic cable - Google Patents

Abstract

The utility model discloses a waterproof photovoltaic cable, which comprises a photovoltaic cable body, wherein a connector is arranged at the outer side of one end of the photovoltaic cable body, ointment guide sleeves are distributed on the outer side of a connecting ring in an array mode, and an extrusion mechanism capable of extruding water-blocking ointment in the ointment guide sleeves to the outer side direction of the photovoltaic cable body is arranged at the outer end of the ointment guide sleeves. According to the utility model, through the extrusion mechanism and the mesh cloth strips, the pressing rod is matched with the spring to extrude the water-blocking ointment on the inner side of the ointment guide sleeve to the inner sides of the connecting ring and the mesh cloth strips in a matched manner, and the connecting ring and the connecting head are matched with the ball to push the outer side of the photovoltaic cable body in a reciprocating manner by using the same hand, so that the waterproof ointment can be uniformly smeared on the outer surface of the photovoltaic cable body, the outer sheath of the photovoltaic cable body has the effects of high-efficiency waterproof, corrosion resistance and fracture resistance, and the waterproof ointment can be effectively connected and fixed with the power connection port of the photovoltaic power station in a sealing manner through the structure.

Description

Waterproof type photovoltaic cable

Technical Field

The utility model relates to the technical field of photovoltaic cables, in particular to a waterproof photovoltaic cable.

Background

The photovoltaic cable is a special cable mainly used on a solar photovoltaic module system, has the characteristics of weather resistance, high temperature resistance, friction resistance and the like, has longer service life, has wider process range and is easy to operate in the processing and using processes, the product is a green halogen-free product, the demand of the new energy photovoltaic cable is effectively utilized along with the annual expansion of a new energy photovoltaic power station, in coastal countries, the photovoltaic power station is usually built in coastal areas and even on the sea surface, the photovoltaic cable is in a long-term contact state with sea water, the solar cable is corroded for a long time due to the fact that the temperature difference between day and night in the coastal areas is large, the sea water salt content is too high, the photovoltaic cable is also corroded for a long time due to the fact that the material of an outer sheath of the photovoltaic cable is usually low smoke halogen-free polyolefin, the tensile strength of the low smoke halogen-free polyolefin material is seriously influenced after being immersed, the breakage rate is very high, the photovoltaic cable is easily invaded by sea water under the condition that the outer surface of the photovoltaic cable is broken, and thus the potential safety hazard of electric conduction is easily caused;

the waterproof photovoltaic cable disclosed by the authorization number CN211181705U comprises a conductor, wherein an insulating layer is arranged outside the conductor, an inner sheath is arranged outside the insulating layer, and an outer sheath is arranged outside the inner sheath; along the axial direction of the conductor, the outer surface of the inner sheath is provided with a plurality of ridges which are uniformly distributed, the ridges support the outer sheath, a cavity is arranged between two adjacent ridges and between the inner sheath and the outer sheath, and water-blocking ointment is arranged in the cavity; according to the waterproof photovoltaic cable, the convex ridge structure is extruded out of the outer layer of the inner sheath during production, the cable can be twisted when the cable is paid out during filling of the ointment, and due to the convex ridge structure, the waterproof ointment can be better attached to the surface of the inner sheath, compared with a conventional photovoltaic cable, the waterproof ointment is added, the waterproof performance of the cable is improved, and the applicable working environment and laying environment range are enlarged; the waterproof mode of the photovoltaic cable material adopts the mode that the waterproof ointment is added between two adjacent convex ridge cavities of the inner sheath and is wrapped by the outer sheath, the problem to be solved is not to improve the corrosion of the outer sheath of the photovoltaic cable by seawater and the problem of broken water invasion, and the problem to be solved is that when the outer surface of the photovoltaic cable is corroded to generate broken, the waterproof ointment outside the inner sheath is used for blocking water, the waterproof structure still has the defect, because the waterproof ointment is positioned inside the cavity between the inner sheath and the outer sheath and is not smeared on the outer surface of the photovoltaic cable, when the photovoltaic cable is positioned in the seawater for a long time, the outer sheath of the photovoltaic cable can certainly generate the problems of corrosion and water invasion, and the outer sheath is used for protecting the inner sheath and the inner side of the photovoltaic cable, and the function of protecting the inner sheath and the fiber core is reduced after the outer sheath is corroded and broken, so the waterproof photovoltaic cable is necessary to solve the technical problems.

Disclosure of Invention

The utility model aims to provide a waterproof photovoltaic cable, which aims to solve the problem that the photovoltaic cable outer sheath immersed in seawater is inconvenient to prevent corrosion and water in the above-mentioned comparison document, and the technical scheme of the utility model aims to solve the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a waterproof type photovoltaic cable, includes the photovoltaic cable body, the connector is installed in photovoltaic cable body one end outside, just the connector outside is provided with the go-between, go-between outside array distribution has the oleamen guide pin bushing, just oleamen guide pin bushing outer end is provided with can be to the extrusion mechanism of oleamen in the oleamen guide pin bushing to photovoltaic cable body outside direction extrusion, go-between one side is connected with the supporting ring.

Preferably, the inner wall of the connector is in a threaded shape, and the photovoltaic cable body is detachably connected with the photovoltaic power station power interface through the connector in a threaded mode.

Preferably, a ball is arranged on one side close to the thread of the connector, and the ball and the inner wall of the connector form a rolling structure.

Preferably, the guide pipes are distributed on one side of the connecting ring in an array manner, and two ends of the guide pipes are communicated with the connecting ring and the supporting ring.

Preferably, one side of the ointment guide sleeve is connected with an oil squeezing port, and the oil squeezing port is inclined.

Preferably, the squeezing mechanism comprises a pressing rod which is connected to the inner side of the outer end of the ointment guide sleeve in a sliding mode, and a spring is clamped on the outer side of the pressing rod.

Preferably, the both sides all are connected with the scraper blade around the support ring, and two be connected with mesh cloth strip between the scraper blade inner circle, mesh cloth strip with photovoltaic cable body surface contact each other.

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

according to the utility model, the extrusion mechanism and the mesh cloth strip are arranged, the arc shape formed by relatively rolling the thumb and the index finger is utilized, the four compression rods are encircled and the force is applied to the inner ring slowly, the compression rods are matched with the springs to extrude the water-blocking ointment on the inner side of the ointment guide sleeve to the inner side of the connecting ring and the mesh cloth strip in a matched manner, and the connecting ring and the connecting head are matched with the ball to push the outer side of the photovoltaic cable body in a reciprocating manner by using the same hand, so that the water-blocking ointment on the inner side of the mesh cloth strip can be effectively uniformly smeared on the outer surface of the photovoltaic cable body.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a waterproof photovoltaic cable according to the present utility model;

FIG. 2 is a schematic view of the mounting structure of the connector and the connecting ring shown in FIG. 1;

FIG. 3 is a schematic view of the main section structure shown in FIG. 1;

FIG. 4 is a schematic left-hand view of the structure shown in FIG. 3;

FIG. 5 is an enlarged schematic view of the structure shown in FIG. 3 at A;

FIG. 6 is a schematic view of the right cut-away structure shown in FIG. 3;

fig. 7 is an enlarged schematic view of the structure at B shown in fig. 6.

In the figure: 1. a photovoltaic cable body; 2. a connector; 201. a ball; 3. a connecting ring; 301. a flow guiding pipe; 4. an ointment guide sleeve; 401. an oil extrusion port; 5. an extrusion mechanism; 501. a compression bar; 502. a spring; 6. a support ring; 601. a scraper; 602. mesh cloth strips.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, an embodiment of the present utility model is provided: the utility model provides a waterproof type photovoltaic cable, including photovoltaic cable body 1, connector 2, ball 201, go-between 3, honeycomb duct 301, oleamen guide pin bushing 4, squeeze port 401, extrusion mechanism 5, depression bar 501, spring 502, support ring 6, scraper blade 601 and mesh cloth 602, connector 2 is installed in the outside of photovoltaic cable body 1 one end, and the connector 2 outside is provided with go-between 3, go-between 3 outside array distribution has oleamen guide pin bushing 4, and oleamen guide pin bushing 4 outer end is provided with can be to the extruded extrusion mechanism 5 of oleamen guide pin bushing 4 in to photovoltaic cable body 1 outside direction, go-between 3 one side is connected with support ring 6.

Examples

Referring to fig. 1-7, the inner wall of the connector 2 is in a screw thread shape, the photovoltaic cable body 1 is detachably connected with the photovoltaic power station power interface through the connector 2 in a screw thread manner, a ball 201 is arranged on one side close to the screw thread of the connector 2, the ball 201 and the inner wall of the connector 2 form a rolling structure, a flow guide 301 is distributed on one side of the connecting ring 3 in an array manner, two ends of the flow guide 301 are mutually communicated with the connecting ring 3 and the supporting ring 6, an oil squeezing port 401 is connected on one side of the ointment guide sleeve 4, the oil squeezing port 401 is in an inclined shape, the squeezing mechanism 5 comprises a pressure rod 501 which is slidingly connected on the inner side of the outer end of the ointment guide sleeve 4, a spring 502 is clamped on the outer side of the pressure rod 501, scrapers 601 are connected on the front side and the rear side of the supporting ring 6, mesh strips 602 are connected between the inner rings of the two scrapers 601, the mesh strips 602 are mutually contacted with the outer surface of the photovoltaic cable body 1, firstly, water-blocking ointment is squeezed to the inner sides of the four ointment guide sleeves 4 through the oil squeezing ports 401, then the four compression bars 501 are coiled by thumb and forefinger to apply force to the inner ring slowly, at this time, the compression bars 501 are matched with the springs 502 to press the water-blocking ointment on the inner side of the ointment guide sleeve 4 to the inner side of the connecting ring 3 and then to the inner side of the mesh cloth strip 602 by the scraping plate 601, at the same time, the connecting ring 3 and the connecting head 2 are matched with the ball 201 to push reciprocally on the outer side of the photovoltaic cable body 1 by the same hand, so that the water-blocking ointment on the inner side of the mesh cloth strip 602 can be effectively and evenly smeared on the outer surface of the photovoltaic cable body 1, the water-blocking ointment is a product existing in the market, has very good water resistance and elastoplasticity, very wide adaptability, better cold resistance, corrosion resistance and ageing resistance, after the waterproof ointment is smeared on the outer surface of the photovoltaic cable body 1, the connecting ring 3 and the connector 2 are manually pushed to the end part of the photovoltaic cable body 1, and the connector 2 is matched with the threads on the inner side of the connector and is in threaded sealing connection with a power supply connector of a photovoltaic power station.

Working principle: as shown in fig. 1-7, firstly, the water-blocking ointment is extruded to the inner sides of four ointment guide sleeves 4 through oil extrusion ports 401, then the four pressing rods 501 are coiled and force is slowly applied to the inner rings by arc shapes formed by relatively rolling up the four pressing rods by thumb and forefinger, at this time, the pressing rods 501 are matched with springs 502 to extrude the water-blocking ointment on the inner sides of the ointment guide sleeves 4 to the inner sides of connecting rings 3 by matching with guide pipes 301, then the water-blocking ointment is extruded to the inner sides of mesh cloth strips 602 through scraping plates 601, at the same time, the connecting rings 3 and connectors 2 are matched with balls 201 to push the outer sides of the photovoltaic cable bodies 1 to each other by the same hand, so that the water-blocking ointment on the inner sides of the mesh cloth strips 602 can be uniformly coated on the outer surfaces of the photovoltaic cable bodies 1, the water-blocking ointment is an existing product on the market, the water-blocking ointment has very good waterproof property and elastoplasticity, has very wide adaptability, and good cold resistance, and ageing resistance, the water-blocking ointment is manually pushed to the end parts of the photovoltaic cable bodies 1 by matching with the connecting rings 3 and connectors 2 to the outer sides of the photovoltaic cable bodies 1, the connecting heads are not connected with the photovoltaic cable bodies by matching with the connecting ports, the waterproof cable bodies, the anti-corrosion resistance is high performance is achieved, the anti-corrosion performance is achieved, the photovoltaic cable structure is effectively achieved, and the photovoltaic cable body is connected with the photovoltaic cable body is connected by the outer side 1, and the photovoltaic cable body is not connected by the waterproof cable body, and the anti-corrosion structure is well, and the anti-corrosion performance.

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 utility model may be embodied in other specific forms without departing from the spirit or essential characteristics 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. Waterproof type photovoltaic cable, including photovoltaic cable body (1), its characterized in that: the photovoltaic cable comprises a photovoltaic cable body (1), wherein a connector (2) is arranged at the outer side of one end of the photovoltaic cable body (1), a connecting ring (3) is arranged at the outer side of the connector (2), ointment guide sleeves (4) are distributed on the outer side of the connecting ring (3) in an array mode, an extrusion mechanism (5) capable of extruding water-blocking ointment in the ointment guide sleeves (4) towards the outer side direction of the photovoltaic cable body (1) is arranged at the outer end of the ointment guide sleeves (4), and a supporting ring (6) is connected to one side of the connecting ring (3).

2. The waterproof photovoltaic cable of claim 1, wherein: the inner wall of the connector (2) is in a threaded shape, and the photovoltaic cable body (1) is detachably connected with a photovoltaic power station power interface through the connector (2) in a threaded mode.

3. The waterproof photovoltaic cable of claim 1, wherein: a ball (201) is arranged on one side close to the thread of the connector (2), and the ball (201) and the inner wall of the connector (2) form a rolling structure.

4. The waterproof photovoltaic cable of claim 1, wherein: the guide pipes (301) are distributed on one side of the connecting ring (3) in an array mode, and two ends of each guide pipe (301) are communicated with the connecting ring (3) and the supporting ring (6).

5. The waterproof photovoltaic cable of claim 1, wherein: one side of the ointment guide sleeve (4) is connected with an oil squeezing port (401), and the oil squeezing port (401) is inclined.

6. The waterproof photovoltaic cable of claim 1, wherein: the extrusion mechanism (5) comprises a compression bar (501) which is connected to the inner side of the outer end of the ointment guide sleeve (4) in a sliding mode, and a spring (502) is clamped on the outer side of the compression bar (501).

7. The waterproof photovoltaic cable of claim 1, wherein: both sides all are connected with scraper blade (601) around supporting ring (6), and two be connected with mesh cloth (602) between scraper blade (601) inner circle, mesh cloth (602) with photovoltaic cable body (1) surface contact each other.

Images