Anti-corona photovoltaic power cable

Abstract

The utility model belongs to the technical field of power cables, and particularly relates to an anti-corona photovoltaic power cable, which comprises a protective layer, an insulating layer connected inside the protective layer, a shielding layer connected inside the insulating layer, an internal filling layer connected inside the shielding layer, and a lead connected inside the internal filling layer. According to the utility model, the outer walls of the two power cables are respectively sleeved with one connecting sleeve, then the two movable blocks extrude the spring by pressing the pressing rod, at the moment, the L-shaped clamping blocks at the end parts of the two movable blocks can move oppositely, and then the insertion blocks on the outer walls of the adjacent connecting sleeves are inserted into the connecting frame, so that the two movable blocks can be clamped in the connecting frame. And finally, the two movable blocks are reset under the action of the springs by loosening the pressing rods, and the L-shaped clamping blocks at the end parts of the two movable blocks are inserted into the clamping grooves to realize clamping and fixing, so that the end parts of the two power cables are limited and fixed, and winding between the power cables is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of power cables, and in particular relates to a corona-resistant photovoltaic power cable. Background Art

[0002] A cable is usually a rope-like cable made up of several or several groups of wires twisted together. Each group of wires is insulated from each other and are often twisted around a central wire. The entire outside is covered with a highly insulating covering. It is generally installed in the air or underground and underwater. It is used for telecommunications or power transmission, and is used to transmit and distribute electrical energy or send electrical signals.

[0003] At present, during the use of existing corona-resistant photovoltaic power cables, several power cables are usually arranged to transmit power. However, when two adjacent power cables are dragged and pulled, they will be entangled with each other, which makes them very inconvenient to use. Moreover, when the power cables are rolled up, since the power cables are entangled with each other, the staff needs to spend more time to organize the power cables before rolling them up. Utility Model Content

[0004] The utility model aims to provide a corona-resistant photovoltaic power cable, aiming to solve the problem that during the use of the existing corona-resistant photovoltaic power cable, several power cables are usually arranged to transmit power, but when two adjacent power cables are dragged and pulled, they will be entangled with each other, so it is very inconvenient to use, and when the power cables are rolled up, since the power cables are entangled with each other, the staff needs to spend a lot of time to organize the power cables before rolling up.

[0005] To achieve the above object, the utility model provides the following technical solution: an anti-corona photovoltaic power cable, comprising a protective layer, an insulating layer is connected to the inside of the protective layer, a shielding layer is connected to the inside of the insulating layer, an internal filling layer is connected to the inside of the shielding layer, and a conductor is connected to the inside of the internal filling layer;

[0006] The outer wall of the protective layer is sleeved with a connecting sleeve, the outer wall of the connecting sleeve is connected to a connecting seat, the outer wall of the connecting seat is connected to a connecting frame, the outer wall of the connecting sleeve is connected to two plug-in blocks, the outer walls of the two plug-in blocks are provided with card slots, a spring is arranged inside the connecting seat, the end of the spring is connected to a movable block, the outer wall of the movable block is connected to a pressure rod, and one end of the movable block is connected to an L-shaped card block.

[0007] As a preferred embodiment of the utility model for a corona-resistant photovoltaic power cable, an outer wall of the connecting seat is provided with an opening, and the connecting seat is communicated with the connecting frame through the opening.

[0008] As a preferred embodiment of the utility model for a corona-resistant photovoltaic power cable, one end of the L-shaped clamping block extends into the interior of the connecting frame.

[0009] As a preferred embodiment of the utility model for a corona-resistant photovoltaic power cable, one end of the pressure rod extends through and to the outside of the connecting seat.

[0010] As a preferred embodiment of the utility model for a corona-resistant photovoltaic power cable, two L-shaped card blocks are provided, and an elastic structure can be formed between the two L-shaped card blocks through a movable block and a spring.

[0011] As a preferred embodiment of the utility model for a corona-resistant photovoltaic power cable, the slots on the outer walls of the two plug-in blocks are symmetrically distributed.

[0012] As a preferred embodiment of the utility model for a corona-resistant photovoltaic power cable, the card slot is adapted to the size of one end of the L-shaped card block.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By respectively putting a connecting sleeve on the outer walls of the two power cables, and then pressing the pressure rod to squeeze the two movable blocks to squeeze the spring, the L-shaped blocks at the ends of the two movable blocks will move toward each other, and then insert the plug-in blocks on the outer walls of the adjacent connecting sleeves into the interior of the connecting frame, and finally release the pressure rod to reset the two movable blocks under the action of the spring, and the L-shaped blocks at the ends of the two movable blocks will be inserted into the interior of the card slot to achieve card fixing, thereby limiting the position between the two power cable ends to avoid entanglement between the power cables. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is a first main structural schematic diagram of the utility model;

[0017] Figure 2 It is a second main structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the A enlarged structure of the utility model.

[0020] In the figure: 1. protective layer; 2. insulating layer; 3. shielding layer; 4. internal filling layer; 5. wire; 6. connecting sleeve; 7. connecting seat; 8. connecting frame; 9. plug-in block; 10. slot; 11. spring; 12. movable block; 13. pressure rod; 14. L-shaped block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides the following technical solutions: an anti-corona photovoltaic power cable, comprising a protective layer 1, an insulating layer 2 is connected to the inside of the protective layer 1, a shielding layer 3 is connected to the inside of the insulating layer 2, an internal filling layer 4 is connected to the inside of the shielding layer 3, and a conductor 5 is connected to the inside of the internal filling layer 4;

[0023] It should be noted that the material of the shielding layer 3 is a silicone resin layer, which can effectively resist corona and protect the internal conductor from being affected, and the power cable is composed of a protective layer 1, an insulating layer 2, a shielding layer 3, an internal filling layer 4 and a conductor 5;

[0024] The outer wall of the protective layer 1 is sleeved with a connecting sleeve 6, the outer wall of the connecting sleeve 6 is connected to a connecting seat 7, the outer wall of the connecting seat 7 is connected to a connecting frame 8, the outer wall of the connecting sleeve 6 is connected to two plug blocks 9, the outer walls of the two plug blocks 9 are provided with a card slot 10, a spring 11 is arranged inside the connecting seat 7, the end of the spring 11 is connected to a movable block 12, the outer wall of the movable block 12 is connected to a pressure rod 13, and one end of the movable block 12 is connected to an L-shaped card block 14.

[0025] Preferably: an opening is provided on the outer wall of the connecting seat 7, and the connecting seat 7 is communicated with the connecting frame 8 through the opening, one end of the L-shaped block 14 extends to the inside of the connecting frame 8, one end of the pressure rod 13 extends through to the outside of the connecting seat 7, two L-shaped blocks 14 are provided, and an elastic structure can be formed between the two L-shaped blocks 14 through the movable block 12 and the spring 11, the slots 10 on the outer walls of the two plug blocks 9 are symmetrically distributed, and the size of the slots 10 is adapted to one end of the L-shaped block 14.

[0026] When in use, the two movable blocks 12 are pressed against the spring 11 by pressing the pressure rod 13, and the L-shaped card blocks 14 at the ends of the two movable blocks 12 will move toward each other, and then the plug-in blocks 9 on the outer wall of the adjacent connecting sleeve 6 are inserted into the inside of the connecting frame 8, and finally the pressure rod 13 is released to reset the two movable blocks 12 under the action of the spring 11, and the L-shaped card blocks 14 at the ends of the two movable blocks 12 will be inserted into the inside of the card slot 10 to achieve card fixing;

[0027] It should be noted that an elastic locking structure can be formed between the two connecting sleeves 6 through the connecting seat 7, the connecting frame 8, the inserting block 9, the card slot 10, the spring 11, the movable block 12, the pressure rod 13, and the L-shaped card block 14.

[0028] Working principle: First, respectively sleeve a connecting sleeve 6 on the outer wall of the two power cables, and then press the pressure rod 13 to make the two movable blocks 12 squeeze the spring 11. At this time, the L-shaped card blocks 14 at the ends of the two movable blocks 12 will move toward each other, and then insert the plug blocks 9 on the outer walls of the adjacent connecting sleeves 6 into the connecting frame 8, and finally release the pressure rod 13 to reset the two movable blocks 12 under the action of the spring 11, and the L-shaped card blocks 14 at the ends of the two movable blocks 12 will be inserted into the card slot 10 to achieve card fixation, thereby limiting the position between the two power cable ends to avoid entanglement between the power cables.

[0029] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A corona-resistant photovoltaic power cable, comprising a protective layer (1), characterized in that: The interior of the protective layer (1) is connected to an insulating layer (2), the interior of the insulating layer (2) is connected to a shielding layer (3), the interior of the shielding layer (3) is connected to an internal filling layer (4), and the interior of the internal filling layer (4) is connected to a wire (5); The outer wall of the protective layer (1) is sleeved with a connecting sleeve (6), the outer wall of the connecting sleeve (6) is connected to a connecting seat (7), the outer wall of the connecting seat (7) is connected to a connecting frame (8), the outer wall of the connecting sleeve (6) is connected to two plug-in blocks (9), the outer walls of the two plug-in blocks (9) are provided with a clamping groove (10), a spring (11) is arranged inside the connecting seat (7), the end of the spring (11) is connected to a movable block (12), the outer wall of the movable block (12) is connected to a pressure rod (13), and one end of the movable block (12) is connected to an L-shaped clamping block (14).

2. The corona-resistant photovoltaic power cable according to claim 1, characterized in that: An opening is provided on the outer wall of the connection seat (7), and the connection seat (7) and the connection frame (8) are connected via the opening.

3. The corona-resistant photovoltaic power cable according to claim 1, characterized in that: One end of the L-shaped card block (14) extends into the interior of the connection frame (8).

4. The corona-resistant photovoltaic power cable according to claim 1, characterized in that: One end of the pressure rod (13) extends through and to the outside of the connecting seat (7).

5. The corona-resistant photovoltaic power cable according to claim 1, characterized in that: Two L-shaped clamping blocks (14) are provided, and an elastic structure can be formed between the two L-shaped clamping blocks (14) through a movable block (12) and a spring (11).

6. The corona-resistant photovoltaic power cable according to claim 1, characterized in that: The slots (10) on the outer walls of the two inserting blocks (9) are symmetrically distributed.

7. The corona-resistant photovoltaic power cable according to claim 1, characterized in that: The size of the card slot (10) is adapted to the size of one end of the L-shaped card block (14).

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