CN212010520U

CN212010520U - Special power cable for lithium battery equipment

Info

Publication number: CN212010520U
Application number: CN202020576654.XU
Authority: CN
Inventors: 卢朝旭; 张飞标; 施扬醒
Original assignee: Guangdong Biadi Electronics Co ltd
Current assignee: Guangdong Biadi Electronics Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-11-24
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a special power cable of lithium electricity equipment, including the conductor, wrap up the insulating layer outside the conductor to and wrap up the outer jacket outside the insulating layer, its characterized in that, be provided with the foaming layer between conductor and the insulating layer, wherein, the foaming layer has a plurality of intervals on its periphery and sets up the notch that can supply between insulating layer and the foaming layer gas to volatilize the series flow and use, and this notch is to the inside recessed structure in foaming layer surface; the outer side of the insulating layer is wrapped with an aluminum foil and a braided layer wrapped outside the aluminum foil, and the outer side of the braided layer is wrapped with an inner protective layer; the plurality of conductor wire cores are wound and fixed by the wrapping tape, filling materials are filled between the conductor wire cores, a middle wrapping layer is wrapped outside the wrapping tape, and an armor layer is wrapped outside the middle wrapping layer. The utility model has the characteristics of the compressive tensile strength and increase of service life of strong, the high temperature resistant wear resistance of immunity ability, the protective properties that can improve the cable, reinforcing cable.

Description

Special power cable for lithium battery equipment

Technical Field

The utility model relates to a power cable, concretely relates to special power cable of lithium electrical equipment.

Background

As is well known, the lithium battery has the advantage of high energy density compared with a lead-acid battery, and has the advantages of light weight, small volume, long service life and the like, so that the lithium battery is widely consumed and popularized by the electric vehicle industry. Although the lithium battery has more advantages than the lead-acid battery, the production equipment, the production environment, the manufacturing process and the like of part of the lithium battery still have many defects, so that the performance of the lithium battery is greatly influenced, and even potential safety hazards exist.

In order to continuously optimize the production process of the lithium battery, more advantages can be exerted. Whether the optimization improvement of the lithium battery production process or the improvement of the quality, higher requirements are put on production equipment and test equipment. In recent years, lithium battery equipment plants are also completely juiced, and new equipment is continuously researched and developed while old equipment is modified. The lithium battery equipment mainly takes large-scale automatic equipment as main equipment, and the maintenance difficulty and the cost are high. Therefore, each part of the equipment is selected precisely in an equipment factory and is put into use after passing through a plurality of tests. The cable is an indispensable part of the lithium battery device and cannot be avoided. Due to the special production environment of the lithium battery, the common power cable is difficult to meet the use requirement.

Therefore, it is important to develop a special cable which meets the specific use environment and has stable performance, safety, reliability and low cost.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that the background art exists, the utility model aims to provide a special power cable of lithium electrical equipment that has that the interference killing feature is strong, high temperature resistant wear resistance is strong, can improve the protective properties of cable, the resistance to compression tensile ability and increase of service life's of reinforcing cable characteristics.

In order to achieve the above object, the utility model adopts the following technical scheme:

a power cable special for lithium battery equipment comprises a conductor, an insulating layer wrapped outside the conductor and an outer protective layer wrapped outside the insulating layer, wherein a foaming layer is arranged between the conductor and the insulating layer, a plurality of notches which are arranged at intervals on the circumferential surface of the foaming layer and can be used for the volatilization and the series flow of gas between the insulating layer and the foaming layer are formed in the foaming layer, and the notches are of a structure which is concave towards the inner part of the surface of the foaming layer;

the outer side of the insulating layer is wrapped with an aluminum foil and a braided layer wrapped outside the aluminum foil, and the outer side of the braided layer is wrapped with an inner protective layer; the plurality of conductor wire cores are wound and fixed by the wrapping tape, filling materials are filled between the conductor wire cores, a middle wrapping layer is wrapped outside the wrapping tape, and an armor layer is wrapped outside the middle wrapping layer.

Furthermore, the conductor is an annealed soft copper conductor.

Furthermore, the insulating layer is made of polyethylene materials.

Furthermore, the braided layer is formed by winding and shielding a plurality of tinned copper wires.

Furthermore, the filling material is made of a flame-retardant PP rope material.

Furthermore, the inner protective layer and the outer protective layer are made of polyurethane materials.

Furthermore, the bag belt is made of thin non-woven fabrics.

Furthermore, the armor layer is arranged on the inner side wall of the outer sheath layer by adopting a plurality of bundles of metal wire crossed annular walls.

Further, the cross-sectional structure of the notch is arc-shaped.

The utility model discloses beneficial effect:

the power cable special for the lithium battery equipment comprises a conductor, an insulating layer and an outer protective layer, wherein a foaming layer is arranged between the conductor and the insulating layer, a plurality of notches which are arranged at intervals and can be used for the volatilization and series flow of gas between the insulating layer and the foaming layer are formed in the circumferential surface of the foaming layer, and the notches are of a structure which is recessed towards the inner part of the surface of the foaming layer; the protective performance of the cable is improved by arranging the foaming layer, the compression resistance and tensile strength of the cable are enhanced, the service life of the cable is prolonged, a notch is further specially designed between the insulating layer and the foaming layer, and the gas reserved when the volatile insulating layer and the foaming layer are molded is further promoted by utilizing the notch, so that the protective performance between the cable layers is improved.

The insulating layer is wrapped by an aluminum foil and a braided layer wrapped outside the aluminum foil, and the double-layer shielding is braided by an additional aluminum foil and a tinned copper net, so that the high-quality transmission performance of the cable is ensured;

a plurality of conductor sinle silks are wrapped up by the non-woven fabrics band and are gathered integratively to add the fire-retardant PP rope material filler material that has the elasticity in the clearance between the wire rod, can fill up the space between the wire rod, make the finished product wire rod more round and more complete, when subsequent processing and use, when the wire rod is crooked, for the displacement of sinle silks leave the space, non-deformable. And a middle layer and an armor layer are wrapped outside the non-woven fabric, so that the high temperature resistance and the wear resistance of the cable are improved.

To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of the power cable dedicated for lithium battery equipment according to the present invention;

fig. 2 shows that the utility model discloses lithium electricity special power cable's of equipment single sinle silk structure schematic diagram.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the embodiment provides a power cable dedicated for lithium battery equipment, including an annealed soft copper conductor 1, a polyethylene insulating layer 2 wrapped outside the conductor 1, and an outer protective layer 3 wrapped outside the insulating layer 2, wherein a foaming layer 4 is disposed between the conductor 1 and the insulating layer 2, wherein the foaming layer 4 has a plurality of arc-shaped notches 5 disposed at intervals on a circumferential surface thereof, and the arc-shaped notches 5 are capable of allowing gas between the insulating layer 2 and the foaming layer 4 to volatilize and flow in series, and the notches 5 are structures recessed into the surface of the foaming layer 4; the insulating layer 2 is wrapped by an aluminum foil 6 and a braided layer 7 which is wrapped outside the aluminum foil 6 and is formed by winding and shielding a plurality of tinned copper wires, and the braided layer 7 is wrapped by an inner protective layer 8; the cable comprises a plurality of conductor 1 wire cores, a packing material 10 made of flame-retardant PP rope materials is filled between the conductor 1 wire cores, a middle covering layer 11 is wrapped outside the bag belt 9, and an armor layer 12 is wrapped outside the middle covering layer 11. The inner protection layer 8 and the outer protection layer 3 are made of polyurethane materials, the wrapping tape 9 is made of thin non-woven fabrics, and the armor layer 12 is arranged on the inner side wall of the outer protection layer 1 through a plurality of bundles of metal wire crossed annular walls.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The invention is not limited to the embodiments described herein, but is capable of other embodiments with obvious modifications and variations, including those shown in the drawings and described herein. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.

Claims

1. The power cable special for the lithium battery equipment comprises a conductor (1), an insulating layer (2) wrapped outside the conductor (1) and an outer protective layer (3) wrapped outside the insulating layer (2), and is characterized in that a foaming layer (4) is arranged between the conductor (1) and the insulating layer (2), wherein a plurality of notches (5) which are arranged at intervals and can be used for gas volatilization and series flow between the insulating layer (2) and the foaming layer (4) are formed in the circumferential surface of the foaming layer (4), and the notches (5) are of a structure which is recessed towards the inner part of the surface of the foaming layer (4);

the insulating layer (2) is wrapped by an aluminum foil (6) and a woven layer (7) wrapped outside the aluminum foil (6), and the woven layer (7) is wrapped by an inner protective layer (8); the cable cores of the conductors (1) are wound and fixed by a bag belt (9), filling materials (10) are filled between the cable cores of the conductors (1), a middle covering layer (11) is wrapped outside the bag belt (9), and an armor layer (12) is wrapped outside the middle covering layer (11).

2. The power cable special for the lithium battery equipment as claimed in claim 1, wherein the conductor (1) is an annealed soft copper conductor.

3. The power cable special for the lithium battery equipment as claimed in claim 1, wherein the insulating layer (2) is made of polyethylene.

4. The power cable special for the lithium battery equipment as claimed in claim 1, wherein the braided layer (7) is formed by winding a plurality of tinned copper shields.

5. The power cable special for the lithium battery equipment as claimed in claim 1, wherein the filling material (10) is made of a flame-retardant PP rope material.

6. The power cable special for the lithium battery equipment as claimed in claim 1, wherein the inner protective layer (8) and the outer protective layer (3) are made of polyurethane material.

7. The power cable special for the lithium battery equipment as claimed in claim 1, wherein the wrapping tape (9) is made of thin non-woven fabric.

8. The power cable special for the lithium battery equipment as claimed in claim 1, wherein the armor layer (12) is arranged on the inner side wall of the outer sheath (3) by adopting a plurality of bundles of metal wire crossed annular walls.

9. The power cable special for lithium battery equipment according to claim 1, wherein the notch (5) has an arc-shaped cross-sectional structure.