Photovoltaic brushless motor cable

Abstract

The utility model relates to the technical field of cables, and discloses a photovoltaic brushless motor cable, comprising a first core wire group, the periphery of which is provided with a first belting layer, and the periphery of the first belting layer is provided with a braid layer; a second wrapping tape layer is arranged on the periphery of the second core wire group and the first core wire group; the protective layer is arranged on the periphery of the second belting layer; the first core wire group comprises five groups of first core wires, and first cotton yarns are filled among the five groups of first core wires. The first core wire is protected by the first belting layer and the first braid layer, and on the basis, the second core wire and the first core wire are wrapped and protected by the second belting layer and the protective layer, so that the cable can be used under outdoor harsh conditions, can resist ultraviolet rays and high and low temperatures of-50-105 DEG C, and has good mechanical protection performance.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a photovoltaic brushless motor cable. Background Art

[0002] Photovoltaic power generation is usually carried out in desert areas, with arid climate, little precipitation, strong winds and sand, water shortage, sparse vegetation, and strong landscaping. It is the most harsh and fragile ecological environment. Brushless motors are an indispensable part of photovoltaic power stations, and brushless motor cables need to overcome harsh outdoor conditions.

[0003] Therefore, there is an urgent need to provide a photovoltaic brushless motor cable to meet the demand. Utility Model Content

[0004] Based on the above, the purpose of the utility model is to provide a photovoltaic brushless motor cable that is resistant to high and low temperatures, UV rays, and has high mechanical performance protection.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a photovoltaic brushless motor cable, comprising:

[0007] A first core wire group, the outer periphery of which is provided with a first tape layer, and the outer periphery of the first tape layer is provided with a braided layer;

[0008] A second core wire group, which and the first core wire group are provided with a second tape layer on their outer peripheries;

[0009] A protective layer, disposed on the outer periphery of the second wrapping layer;

[0010] The first core wire group includes five groups of first core wires, and first cotton yarns are filled between the five groups of first core wires.

[0011] Preferably, the first core wire comprises a first conductor bundle and a first insulating layer from the inside to the outside;

[0012] The first conductor bundle includes 18 pieces of 0.10 mm tinned copper.

[0013] Preferably, the insulation diameter of the first insulating layer is 1.0 mm;

[0014] The first insulating layer is PVC insulation.

[0015] Preferably, the first wrapping layer is aluminum foil;

[0016] The thickness of the aluminum foil is 0.025 mm.

[0017] Preferably, the braided layer is braided from 128 0.08 mm tinned copper strands, with a braiding density of 80%.

[0018] Preferably, the second core wire group includes three groups of second core wires;

[0019] The three groups of the second core threads are filled with second cotton yarn.

[0020] Preferably, the outer circumferences of the three groups of the second core wires are filled with two third cotton yarns and two fourth cotton yarns.

[0021] Preferably, the second core wire comprises a second conductor bundle and a second insulating layer from the inside to the outside;

[0022] The second conductor bundle includes 42 pieces of 0.15 mm bare copper.

[0023] Preferably, the insulation thickness of the second insulation layer is 0.27 mm;

[0024] The second insulating layer is PVC insulation.

[0025] Preferably, the second wrapping tape is non-woven fabric, and the thickness of the second wrapping tape is 0.05 mm.

[0026] The beneficial effects of the utility model are:

[0027] The utility model provides a photovoltaic brushless motor cable, in which a first core wire is protected by a first wrapping layer and a first braided layer, and on this basis, a second core wire and a first core wire are also wrapped and protected by a second wrapping layer and a protective layer, so that the cable can be used under harsh outdoor conditions, is resistant to ultraviolet rays, and is resistant to high and low temperatures of -50 to 105 degrees, and has good mechanical protection performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0029] Figure 1 A photovoltaic brushless motor cable is provided for an embodiment of the utility model.

[0030] In the figure:

[0031] 1. first core wire; 11. first conductor bundle; 12. first insulating layer; 2. first cotton yarn; 3. first tape layer; 4. braided layer; 5. second core wire; 51. second conductor bundle; 52. second insulating layer; 6. second cotton yarn; 71. third cotton yarn; 72. fourth cotton yarn; 8. second tape layer; 9. protective layer. DETAILED DESCRIPTION

[0032] In order to make the technical problems solved by the utility model, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the utility model will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0033] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] In the description of this embodiment, the terms "upper", "lower", "left", "right", etc., and the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplified operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0036] like Figure 1As shown, an embodiment of the utility model provides a photovoltaic brushless motor cable, including a first core wire group, a first tape layer 3 is arranged on the outer periphery of which, and a braided layer 4 is arranged on the outer periphery of the first tape layer 3; a second core wire group, a second tape layer 8 is arranged on the outer periphery of the first core wire group; a protective layer 9 is arranged on the outer periphery of the second tape layer 8; the first core wire group includes five groups of first core wires 1, and the first cotton yarn 2 is filled between the five groups of the first core wires 1.

[0037] The embodiment of the utility model provides a photovoltaic brushless motor cable, in which the first core wire 1 is protected by a first wrapping layer 3 and a first braided layer 4, and on this basis, the second core wire group and the first core wire group are also wrapped and protected by a second wrapping layer 8 and a protective layer 9, so that the cable can be used under harsh outdoor conditions, is resistant to ultraviolet rays, and is resistant to high and low temperatures of -50 to 105 degrees, and has good mechanical protection performance.

[0038] like Figure 1 As shown, as a preferred embodiment of the utility model, the first core wire 1 includes a first conductor bundle 11 and a first insulating layer 12 from the inside to the outside; the first conductor bundle 11 includes 18 0.10mm tinned coppers. Preferably, the insulation diameter of the first insulating layer 12 is 1.0mm; the first insulating layer 12 is PVC insulation. Specifically, in the embodiment of the utility model, the first conductor bundle 11 is protected by the first insulating layer 12, and the first insulating layer 12 is PVC insulation, which has high hardness and strength, and also has good wear resistance, corrosion resistance and temperature resistance.

[0039] As a preferred embodiment of the present invention, Figure 1 As shown, the first wrapping layer 3 is aluminum foil; the thickness of the aluminum foil is 0.025 mm. Specifically, the overlap rate of the aluminum foil is 25%. The aluminum foil can protect the first core wire group on the one hand, and can shield the first core wire group on the other hand to prevent the first core wire group and the second core wire group from model interference.

[0040] As a preferred embodiment of the present invention, Figure 1 As shown, the braided layer 4 is braided by 128 0.08 mm tinned copper wires, with a braiding density of 80%. The braided layer 4 further protects the first core wire group and shields the signal to prevent signal interference.

[0041] like Figure 1As shown, as a preferred embodiment of the utility model, the second core wire group includes three groups of second core wires 5; the second cotton yarn 6 is filled between the three groups of second core wires 5. Preferably, the outer periphery of the three groups of second core wires 5 is filled with two third cotton yarns 71 and two fourth cotton yarns 72. Specifically, the second cotton yarn 6 is 5S cotton yarn, the third cotton yarn 71 is 3S cotton yarn, and the fourth cotton yarn 72 is 5S cotton yarn. By setting the cotton yarn, the roundness of the cross section of the cable can be ensured and the strength of the cable can be improved.

[0042] like Figure 1 As shown, as a preferred embodiment of the present utility model, the second core wire 5 includes a second conductor bundle 51 and a second insulating layer 52 from the inside to the outside; the second conductor bundle 51 includes 42 0.15mm bare coppers. Preferably, the insulation thickness of the second insulating layer 52 is 0.27mm; the second insulating layer 52 is PVC insulation. Specifically, in the embodiment of the present utility model, the second conductor bundle 51 is protected by the second insulating layer 52, and the second insulating layer 52 is PVC insulation, which has high hardness and strength, and also has good wear resistance, corrosion resistance and temperature resistance.

[0043] As a preferred embodiment of the utility model, the second wrapping tape is a non-woven fabric, and the thickness of the second wrapping tape is 0.05 mm. The non-woven fabric can keep warm, prevent fire, moisture, corrosion, enhance mechanical strength, protect cables, extend cable service life, and soundproof and moisture.

[0044] As a preferred embodiment of the present utility model, in order to better protect the first core wire group and the second core wire group, the protective layer 9 is TPE rubber.

[0045] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A photovoltaic brushless motor cable, It is characterized in that include: A first core wire group, the outer periphery of which is provided with a first tape layer (3), and the outer periphery of the first tape layer (3) is provided with a braided layer (4); A second core wire group, which is provided with a second tape layer (8) on the periphery of the first core wire group; A protective layer (9) is arranged on the outer periphery of the second wrapping layer (8); The first core wire group comprises five groups of first core wires (1), and first cotton yarns (2) are filled between the five groups of first core wires (1).

2. A photovoltaic brushless motor cable according to claim 1, It is characterized in that The first core wire (1) comprises a first conductor bundle (11) and a first insulating layer (12) from the inside to the outside; The first conductor bundle (11) comprises 18 pieces of 0.10 mm tinned copper.

3. A photovoltaic brushless motor cable according to claim 2, It is characterized in that The insulation diameter of the first insulating layer (12) is 1.0 mm; The first insulating layer (12) is PVC insulation.

4. A photovoltaic brushless motor cable according to claim 1, It is characterized in that The first wrapping layer (3) is aluminum foil; The thickness of the aluminum foil is 0.025 mm.

5. A photovoltaic brushless motor cable according to claim 1, It is characterized in that The braided layer (4) is braided from 128 strands of 0.08 mm tinned copper, with a braiding density of 80%.

6. A photovoltaic brushless motor cable according to any one of claims 1 to 5, It is characterized in that The second core wire group includes three groups of second core wires (5); Second cotton yarns (6) are filled between the three groups of the second core wires (5).

7. A photovoltaic brushless motor cable according to claim 6, It is characterized in that The outer peripheries of the three groups of the second core wires (5) are filled with two third cotton yarns (71) and two fourth cotton yarns (72).

8. A photovoltaic brushless motor cable according to claim 6, It is characterized in that The second core wire (5) comprises a second conductor bundle (51) and a second insulating layer (52) from the inside to the outside; The second conductor bundle (51) includes 42 pieces of 0.15 mm bare copper.

9. A photovoltaic brushless motor cable according to claim 8, It is characterized in that The insulation thickness of the second insulating layer (52) is 0.27 mm; The second insulating layer (52) is PVC insulation.

10. A photovoltaic brushless motor cable according to claim 1, It is characterized in that The second wrapping tape is made of non-woven fabric, and the thickness of the second wrapping tape is 0.05 mm.

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