Long-distance energy storage cable

Abstract

The utility model discloses a long-distance energy storage cable, which comprises an insulating core wire, a wrapping tape is wrapped and positioned on the outer ring of the insulating core wire, a sheath is wrapped and positioned on the outer ring of the wrapping tape, glass fibers are positioned on the inner side of the insulating core wire, and a limiting tape and filling cotton are filled between the insulating core wire and the glass fibers. The whole limiting belt and the insulating core wires are filled with the filling cotton, an elastic belt is integrally formed on the wrapping belt, the sheath comprises a PVC sleeve, a rubber insulating sleeve, a flame-retardant sleeve, a shielding sleeve and a TPU elastic sleeve, the shielding sleeve is located on the surface of the rubber insulating sleeve, the flame-retardant sleeve is located on the surface of the shielding sleeve, and the PVC sleeve is located on the surface of the flame-retardant sleeve. According to the long-distance energy storage cable of the utility model, the center is filled with special glass fibers, the long-distance energy storage cable has tensile capability and rebound capability, long-distance use of the cable is protected, the outer sheath is provided with multiple layers, the functions are more, and the protection effect is more excellent.

Description

Technical Field

[0001] The utility model relates to the field of energy storage cables, and particularly relates to a long-distance energy storage cable. Background Technique

[0002] An energy storage cable is a cable for power transmission and storage. The energy storage cable is applied to a DC system, with a rated voltage of DC 1500V or less and a maximum temperature resistance level of 125°C. It is applied to the connection between batteries, the connection between batteries and inverters, BMS connection, etc. in fields such as mobile energy storage power stations, energy storage demonstration power stations, wind power energy storage systems, and peak shaving energy storage systems. With the continuous development of technology, people's requirements for the manufacturing process of energy storage cables are also getting higher and higher.

[0003] There are certain drawbacks in the use of existing energy storage cables. With the rapid development of the energy storage market, its application scenarios are gradually increasing. There is a lack of special development and design for long-distance connection use, and ordinary products are used instead, resulting in phenomena such as twisting and cracking during use, which brings certain adverse effects to the actual use process. Therefore, we propose a long-distance energy storage cable. Content of the Utility Model

[0004] Technical problems to be solved: Aiming at the deficiencies of the prior art, the utility model provides a long-distance energy storage cable. The center is filled with special glass fiber, which has tensile strength and resilience, protects the product for long-distance use, and the outer sheath is set with multiple layers of composites, with more functions and better protection effects, which can effectively solve the problems in the background technique.

[0005] Technical solution: To achieve the above purpose, the technical solution adopted by the utility model is: a long-distance energy storage cable, including an insulating core wire, a tape is wrapped and positioned around the outer circle of the insulating core wire, a sheath is wrapped and positioned around the outer circle of the tape, glass fiber is positioned inside the insulating core wire, and a limiting tape and filling cotton are filled between the insulating core wire and the glass fiber. The filling cotton fills the entire limiting tape and the insulating core wire, and an elastic band is integrally formed on the tape.

[0006] Preferably, the sheath includes a PVC sleeve, a rubber insulating sleeve, a flame retardant sleeve, a shielding sleeve, and a TPU elastic sleeve. The shielding sleeve is located on the surface of the rubber insulating sleeve, the flame retardant sleeve is located on the surface of the shielding sleeve, the PVC sleeve is located on the surface of the flame retardant sleeve, and the TPU elastic sleeve is located on the surface of the PVC sleeve.

[0007] Preferably, the tape is wound and wrapped around the outside of the insulating core wire, and the sheath is wound and wrapped around the surface of the tape.

[0008] Preferably, the insulating core wire and the glass fiber are filled and positioned through a limiting tape and filling cotton.

[0009] Preferably, the wrapping band and the elastic band are integrally formed by compression molding.

[0010] Preferably, the PVC sleeve, the rubber insulating sleeve, the flame retardant sleeve, the shielding sleeve and the TPU elastic sleeve are integrally formed by hot pressing.

[0011] Beneficial effects: Compared with the prior art, the present utility model provides a long-distance energy storage cable, which has the following beneficial effects: The long-distance energy storage cable is filled with special glass fiber in the center, has tensile strength and resilience, protects the product for long-distance use, and the outer sheath is provided with multiple layers of composites, with more functions and better protection effect;

[0012] The conductor adopts a conventional category 5 conductor, which is soft and bend-resistant while ensuring tensile strength;

[0013] The insulation uses a high-strength polymer elastomer material;

[0014] During the stranding process, special glass fiber material is used, which has super tensile strength and can rebound after bending, ensuring that the conductor is not subject to longitudinal stress;

[0015] The sheath adopts a TPU elastomer, which has good physical and mechanical properties and resilience. The entire energy storage cable has a simple structure, is easy to operate, and has a better use effect than the traditional method. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a long-distance energy storage cable of the present utility model.

[0017] Figure 2 It is a schematic diagram of the structure of glass fiber in a long-distance energy storage cable of the present utility model.

[0018] Figure 3 It is a schematic diagram of the structure of the sheath in a long-distance energy storage cable of the present utility model.

[0019] In the figure: 1, insulating core wire; 2, sheath; 3, glass fiber; 4, wrapping band; 5, limiting band; 6, filling cotton; 7, elastic band; 8, PVC sleeve; 9, rubber insulating sleeve; 10, flame retardant sleeve; 11, shielding sleeve; 12, TPU elastic sleeve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments. However, those skilled in the art will understand that the following described embodiments are some embodiments of the present utility model, rather than all embodiments, and are only used to illustrate the present utility model and should not be construed as limiting the scope of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model. For those conditions not specified in the embodiments, they shall be carried out according to the conventional conditions or the conditions recommended by the manufacturer. For the reagents or instruments not specified by the manufacturer, they are all conventional products that can be purchased through the market.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0023] As Figures 1-3 shown, a long-distance energy storage cable includes an insulating core wire 1. A tape 4 is wrapped and positioned around the outer circle of the insulating core wire 1. A sheath 2 is wrapped and positioned around the outer circle of the tape 4. A glass fiber 3 is positioned inside the insulating core wire 1. And a limiting tape 5 and a filling cotton 6 are filled between the insulating core wire 1 and the glass fiber 3. The filling cotton 6 fills the entire limiting tape 5 and the insulating core wire 1. An elastic band 7 is integrally formed on the tape 4. The center is filled with special glass fiber, which has tensile strength and resilience, and protects the product for long-distance use. The outer sheath is provided with multiple layers of composites, with more functions and better protection effects.

[0024] Further, the sheath 2 includes a PVC sleeve 8, a rubber insulating sleeve 9, a flame retardant sleeve 10, a shielding sleeve 11 and a TPU elastic sleeve 12. The shielding sleeve 11 is located on the surface of the rubber insulating sleeve 9, the flame retardant sleeve 10 is located on the surface of the shielding sleeve 11, the PVC sleeve 8 is located on the surface of the flame retardant sleeve 10, and the TPU elastic sleeve 12 is located on the surface of the PVC sleeve 8.

[0025] Further, the tape 4 is wound around and coated on the outer side of the insulated core wire 1, and the sheath 2 is wound around and coated on the surface of the tape 4.

[0026] Further, the insulated core wire 1 and the glass fiber 3 are filled and positioned by a limiting band 5 and a filling cotton 6.

[0027] Further, the tape 4 and the elastic band 7 are integrally formed by compression molding.

[0028] Further, the PVC sleeve 8, the rubber insulating sleeve 9, the flame retardant sleeve 10, the shielding sleeve 11 and the TPU elastic sleeve 12 are integrally formed by hot pressing.

[0029] Working principle: The utility model includes an insulated core wire 1, a sheath 2, a glass fiber 3, a tape 4, a limiting band 5, a filling cotton 6, an elastic band 7, a PVC sleeve 8, a rubber insulating sleeve 9, a flame retardant sleeve 10, a shielding sleeve 11, a TPU elastic sleeve 12. The center is filled with special glass fiber, which has tensile strength and resilience, protects the product for long-distance use. The outer sheath is provided with multiple layers of composites, with more functions and better protection effect;

[0030] The conductor adopts a conventional category 5 conductor, which is flexible and bend-resistant while ensuring tensile strength;

[0031] The insulation uses a high-strength polymer elastomer material;

[0032] During the stranding process, special glass fiber material is used, which has super tensile strength and can rebound after bending, ensuring that the conductor is not subject to longitudinal stress;

[0033] The sheath uses a TPU elastomer, which has good physical and mechanical properties and resilience;

[0034] Tensile strength: 6000N without deformation, and the usable length can reach 50 - 100m.

[0035] It should be noted that in this text, relational terms such as first and second (No. 1, No. 2) are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0036] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A long-distance energy storage cable, comprising an insulated core wire (1), characterized in that: The outer ring of the insulating core wire (1) is covered and positioned with a wrapping tape (4), the outer ring of the wrapping tape (4) is covered and positioned with a sheath (2), the inner side of the insulating core wire (1) is positioned with glass fiber (3), and a limiting tape (5) and filling cotton (6) are filled between the insulating core wire (1) and the glass fiber (3), the filling cotton (6) fills the entire limiting tape (5) and the insulating core wire (1), and an elastic tape (7) is integrally formed on the wrapping tape (4).

2. A long distance energy storage cable according to claim 1, characterized in that: The protective sleeve (2) comprises a PVC sleeve (8), a rubber insulating sleeve (9), a flame retardant sleeve (10), a shielding sleeve (11) and a TPU elastic sleeve (12); the shielding sleeve (11) is located on the surface of the rubber insulating sleeve (9), the flame retardant sleeve (10) is located on the surface of the shielding sleeve (11), the PVC sleeve (8) is located on the surface of the flame retardant sleeve (10), and the TPU elastic sleeve (12) is located on the surface of the PVC sleeve (8).

3. A long distance energy storage cable according to claim 1, characterized in that: The wrapping tape (4) is wound around the outside of the insulating core wire (1), and the sheath (2) is wound around the surface of the wrapping tape (4).

4. A long-distance energy storage cable according to claim 1, characterized in that: The insulating core wire (1) and the glass fiber (3) are filled and positioned by means of a limiting belt (5) and filling cotton (6).

5. A long distance energy storage cable according to claim 1, characterized in that: The wrapping belt (4) and the elastic belt (7) are integrally formed by compression molding.

6. A long-distance energy storage cable according to claim 2, characterized in that: The PVC sleeve (8), the rubber insulating sleeve (9), the flame retardant sleeve (10), the shielding sleeve (11) and the TPU elastic sleeve (12) are integrally formed by hot pressing.

Images