Double-core separable aluminum alloy conductor photovoltaic cable

Abstract

The utility model discloses a double-core separable aluminum alloy conductor photovoltaic cable, which comprises a cable core, an insulating layer is arranged on the outer surface of the cable core, an isolating layer is fixedly connected to the outer surface of the insulating layer, and a sheath and a connecting device are fixedly connected to the outer surface of the isolating layer. The connecting device comprises a first fixing sleeve, a limiting block, a first connecting block, a first bolt, a second fixing sleeve, a fixing block, a second connecting block and a second bolt, the right surface of the first fixing sleeve is fixedly connected with the limiting block, and the upper surface of the limiting block is fixedly connected with the first connecting block; the inner surface of the first connecting block is in threaded connection with the first bolt, two cable cores can be quickly spliced and separated through the connecting device, various use requirements are met, the use function of the cable cores is increased, the distance between the two cores can be adjusted according to requirements, operation is easy and convenient, time and labor are saved during installation and separation, and the cable core connecting device is suitable for popularization and application. And the method has certain universality.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic cables, in particular to a double-core detachable aluminum alloy conductor photovoltaic cable. Background Art

[0002] Cables play an important role in electronic products and electronic systems. They are the key link connecting the various functions of electronic products. They are widely used in aerospace, naval warships and other fields, and exist in various environments. Therefore, the stable performance of cables has become the most important consideration in the production and welding of cables. This is mainly due to the fact that imperfections in the production process or poor contact during the welding process and poor welding quality will have a great impact on the entire electronic system. If the production and welding quality of the cables do not meet the standards, it will threaten the safe operation of the entire system. Therefore, the production and welding process must be strictly carried out in accordance with the requirements to ensure the stable performance of the cable. A dual-core cable refers to a cable with two insulated cores.

[0003] After searching, it was found that the technical solution provided by the utility model with application number CN202223158843.3 adopts a mortise and tenon structure in the connecting part of the dual-core cable. The connecting part is extruded together with the outer sheath. After extrusion, the dual cores can be matched and snapped together to form a whole. Even if they are separated by strong external force, they can be snapped together again for use, thereby reducing the width of the dual-core photovoltaic cable. At the same time, when installing the interface end, since the connecting part itself has a certain elasticity, the tenon and the mortise and tenon groove can be separated without the use of tools, which is convenient for installation and laying. However, this method of connecting the tenon and the mortise and tenon groove by relying on the elasticity of the connecting part itself, because the cable is generally buried underground for a long time in a harsh environment, aging will cause the mortise and tenon connection to loosen, which will lead to the non-artificial separation of the dual cores and damage to the cable. In addition, the mortise and tenon need to be pried apart by external force during disassembly and separation, which is very laborious and inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a double-core detachable aluminum alloy conductor photovoltaic cable. The two cable cores can be quickly spliced ​​and separated through a connecting device to meet various usage requirements, increase the function of the cable core, and can also adjust the distance between the two cores as needed. The utility model is easy to operate, saves time and effort in installation and separation, and has a certain universality.

[0005] The utility model also provides a photovoltaic cable having the above-mentioned double-core detachable aluminum alloy conductor, a cable core, an outer surface of the cable core is provided with an insulating layer, an outer surface of the insulating layer is fixedly connected to an isolation layer, and an outer surface of the isolation layer is fixedly connected to a sheath;

[0006] A connecting device, the connecting device includes a first fixing sleeve, a limiting block, a first connecting block, a first bolt, a second fixing sleeve, a fixing block, a second connecting block and a second bolt, the right surface of the first fixing sleeve is fixedly connected to the limiting block, the upper surface of the limiting block is fixedly connected to the first connecting block, the inner surface of the first connecting block is threadedly connected to the first bolt, the left surface of the second fixing sleeve is fixedly connected to the fixing block, the upper surface of the fixing block is fixedly connected to the second connecting block, and the inner surface of the limiting block is threadedly connected to the second bolt.

[0007] According to the described dual-core detachable aluminum alloy conductor photovoltaic cable, the outer surface of the sheath is provided with a waterproof outer skin for wrapping up the dual cores and the connecting device, thus playing a certain waterproof and moisture-proof role.

[0008] According to the dual-core detachable aluminum alloy conductor photovoltaic cable, a second nut is arranged below the limit block, and the inner surface of the second nut is threadedly connected to the second bolt for longitudinal reinforcement.

[0009] According to the described dual-core detachable aluminum alloy conductor photovoltaic cable, a first nut is provided on the right side of the second connecting block, and the inner surface of the first nut is threadedly connected to the first bolt for transverse reinforcement and adjustment of the distance between the first connecting block and the second connecting block.

[0010] According to the described dual-core detachable aluminum alloy conductor photovoltaic cable, a first limiting hole is arranged inside the limiting block, and a second limiting hole is arranged inside the fixing block. The diameters of the first limiting hole and the second limiting hole are equal. By offsetting the two limiting holes, the fixing block can be pulled out of the limiting block by one end to achieve adjustment of the spacing.

[0011] According to the dual-core detachable aluminum alloy conductor photovoltaic cable, a slot is provided inside the limiting block, and the slot is adapted to the fixing block.

[0012] According to the dual-core detachable aluminum alloy conductor photovoltaic cable, the number of the first bolts is two and they are distributed up and down, and the outer surface of the first connecting block is threadedly connected to the second connecting block.

[0013] According to the dual-core detachable aluminum alloy conductor photovoltaic cable, the number of the fixing blocks is two and they are distributed up and down.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is the overall structure diagram of a double-core detachable aluminum alloy conductor photovoltaic cable of the utility model;

[0017] Figure 2 This is a cable core structure diagram of a double-core detachable aluminum alloy conductor photovoltaic cable of the utility model;

[0018] Figure 3 This is an exploded diagram of the connection device structure of a double-core detachable aluminum alloy conductor photovoltaic cable of the utility model;

[0019] Figure 4 for Figure 3 A schematic diagram of the enlarged structure in the middle.

[0020] Legend:

[0021] 1. Cable core; 2. Insulation layer; 3. Isolation layer; 4. Sheath; 5. Waterproof outer skin; 6. First fixing sleeve; 7. Limit block; 8. First connecting block; 9. First bolt; 10. Second fixing sleeve; 11. Fixing block; 12. Second connecting block; 13. Second bolt; 14. First nut; 15. First limiting hole; 16. Second limiting hole; 17. Second nut; 18. Slot. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a double-core detachable aluminum alloy conductor photovoltaic cable, which includes a cable core 1, the outer surface of the cable core 1 is provided with an insulating layer 2, the outer surface of the insulating layer 2 is fixedly connected with an isolation layer 3, the outer surface of the isolation layer 3 is fixedly connected with a sheath 4, and the outer surface of the sheath 4 is provided with a waterproof outer skin 5.

[0024] The connecting device includes a first fixing sleeve 6, a limiting block 7, a first connecting block 8, a first bolt 9, a second fixing sleeve 10, a fixing block 11, a second connecting block 12 and a second bolt 13. The right surface of the first fixing sleeve 6 is fixedly connected to the limiting block 7, the upper surface of the limiting block 7 is fixedly connected to the first connecting block 8, the inner surface of the first connecting block 8 is threadedly connected to the first bolt 9, the left surface of the second fixing sleeve 10 is fixedly connected to the fixing block 11, the upper surface of the fixing block 11 is fixedly connected to the second connecting block 12, the inner surface of the limiting block 7 is threadedly connected to the second bolt 13, and a second nut 17 is provided below the limiting block 7. The inner surface of the second nut 17 is threadedly connected to the second bolt 13, the first nut 14 is arranged on the right side of the second connecting block 12, the inner surface of the first nut 14 is threadedly connected to the first bolt 9, the interior of the limiting block 7 is provided with a first limiting hole 15, the interior of the fixing block 11 is provided with a second limiting hole 16, the diameters of the first limiting hole 15 and the second limiting hole 16 are equal, the interior of the limiting block 7 is provided with a slot 18, the slot 18 is adapted to the fixing block 11, the number of the first bolts 9 is two and they are distributed up and down, the outer surface of the first connecting block 8 is threadedly connected to the second connecting block 12, the number of the fixing blocks 11 is two and they are distributed up and down.

[0025] Working principle: buckle the first fixing sleeve 6 and the second fixing sleeve 10 on the two cable cores respectively, align the fixing block 11 with the slot 18 in the limit block 7 and insert it, then insert the second bolt 13 into the overlapping first limit hole 15 and second limit hole 16, screw in the second nut 17 to achieve limit, then insert the first bolt 9 into the first connecting block 8 and the second connecting block 12, screw in the first nut 14 to achieve limit, and adjust the spacing by pulling the fixing block 11 in the limit block 7. When dismantling, you only need to unscrew the first bolt 9 and the second bolt 13. The operation is simple and convenient.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A double-core detachable aluminum alloy conductor photovoltaic cable, characterized in that: include: A cable core (1), wherein an insulating layer (2) is provided on the outer surface of the cable core (1), an isolation layer (3) is fixedly connected to the outer surface of the insulation layer (2), and a sheath (4) is fixedly connected to the outer surface of the isolation layer (3); A connecting device, the connecting device comprising a first fixing sleeve (6), a limiting block (7), a first connecting block (8), a first bolt (9), a second fixing sleeve (10), a fixing block (11), a second connecting block (12) and a second bolt (13), wherein the right surface of the first fixing sleeve (6) is fixedly connected to the limiting block (7), the upper surface of the limiting block (7) is fixedly connected to the first connecting block (8), the inner surface of the first connecting block (8) is threadedly connected to the first bolt (9), the left surface of the second fixing sleeve (10) is fixedly connected to the fixing block (11), the upper surface of the fixing block (11) is fixedly connected to the second connecting block (12), and the inner surface of the limiting block (7) is threadedly connected to the second bolt (13).

2. A double-core separable aluminum alloy conductor photovoltaic cable according to claim 1, characterized in that: The outer surface of the sheath (4) is provided with a waterproof outer skin (5).

3. A double-core separable aluminum alloy conductor photovoltaic cable according to claim 1, characterized in that: A second nut (17) is arranged below the limiting block (7), and the inner surface of the second nut (17) is threadedly connected to the second bolt (13).

4. A double-core separable aluminum alloy conductor photovoltaic cable according to claim 1, characterized in that: A first nut (14) is provided on the right side of the second connection block (12), and the inner surface of the first nut (14) is threadedly connected to the first bolt (9).

5. A double-core separable aluminum alloy conductor photovoltaic cable according to claim 1, characterized in that: A first limiting hole (15) is provided inside the limiting block (7), and a second limiting hole (16) is provided inside the fixing block (11); the diameters of the first limiting hole (15) and the second limiting hole (16) are equal.

6. A double-core separable aluminum alloy conductor photovoltaic cable according to claim 1, characterized in that: A slot (18) is provided inside the limiting block (7), and the slot (18) is adapted to the fixing block (11).

7. A double-core separable aluminum alloy conductor photovoltaic cable according to claim 1, characterized in that: The number of the first bolts (9) is two and they are distributed vertically, and the outer surface of the first connecting block (8) is threadedly connected to the second connecting block (12).

8. The double-core separable aluminum alloy conductor photovoltaic cable according to claim 1, characterized in that: The number of the fixing blocks (11) is two and they are distributed vertically.

Images