CN212062711U - Sandwich graphite-based flexible grounding cable - Google Patents
Sandwich graphite-based flexible grounding cable Download PDFInfo
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- CN212062711U CN212062711U CN202020925553.9U CN202020925553U CN212062711U CN 212062711 U CN212062711 U CN 212062711U CN 202020925553 U CN202020925553 U CN 202020925553U CN 212062711 U CN212062711 U CN 212062711U
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Abstract
The utility model relates to a flexible ground connection cable of core graphite base comprises graphite cloth inner core and the graphite line weaving layer of parcel outside graphite cloth inner core. Still be equipped with the glass fiber weaving layer between graphite cloth inner core and the graphite wire weaving layer, the outside of graphite wire weaving layer still is equipped with stainless wire net. The graphite cloth inner core is a plurality of graphite cloth strips which are stacked together or a plurality of graphite cloth cylinders which are nested in sequence from big to small. The utility model discloses a ground connection cable is to former product resistivity decline 8-10 percentage points, has improved lightning grounding product functionality, and the range of application is wider to it is better to contrast former product pliability, and the outward appearance is better to look, does benefit to the construction and promotes.
Description
Technical Field
The utility model relates to an earthing device technical field, concretely relates to press from both sides core graphite base flexible ground cable.
Background
The grounding system is an important power facility for ensuring the safe and reliable operation of power equipment and the safety of power operators and building safety, the grounding belt of the conventional grounding system usually adopts metal grounding materials such as carbon steel, stainless steel, copper and the like, when the power system or a building is struck by lightning, the current amplitude is mostly concentrated at 10-200KA, the short-time energy is extremely high, the requirement on the grounding belt is extremely high, due to the self limitation of the metal materials, the conventional grounding belt cannot meet the requirements of corrosion resistance of a grounding body and capability of bearing high current for a long time, the cost of the grounding device is high, and the condition that the grounding device is stolen easily occurs due to the adoption of the metal grounding materials.
Based on the situation, the applicant develops a flexible grounding cable, and the flexible grounding cable has the advantages of acid and alkali corrosion resistance, good conductivity and good grounding effect by weaving graphite wires into graphite belts for grounding. This ground connection cable is woven with the graphite wire of diameter 3 millimeters or 6 millimeters usually, however, discovers in follow-up use because the circular arc space between line and the line can't fill, leads to the electric conductive property of further improvement ground connection cable to the phenomenon that the uneven outward appearance of lug is not up to standard appears easily in the wiring department in the production process. Aiming at the defects of the existing ground cable products, the applicant optimizes the ground cable and designs a sandwich graphite-based flexible ground cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem not enough, provide a flexible ground connection cable of core graphite base of pressing from both sides, have electric conductive property advantage such as good, the pliability is good and be convenient for construction.
The utility model discloses a solve above-mentioned technical problem not enough, the technical scheme who adopts is: a sandwich graphite-based flexible grounding cable is composed of a graphite cloth inner core and a graphite wire braid layer wrapped outside the graphite cloth inner core.
As a further optimization of the flexible grounding cable of the sandwich graphite base: and a glass fiber braided layer is also arranged between the graphite cloth inner core and the graphite wire braided layer.
As a further optimization of the flexible grounding cable of the sandwich graphite base: and a stainless steel wire mesh is arranged outside the graphite wire braided layer.
As a further optimization of the flexible grounding cable of the sandwich graphite base: the graphite cloth inner core is a plurality of graphite cloth strips which are stacked together.
As a further optimization of the flexible grounding cable of the sandwich graphite base: the graphite cloth inner core is a plurality of graphite cloth cylinders which are nested in sequence from large to small.
As a further optimization of the flexible grounding cable of the sandwich graphite base: the graphite cloth strip is composed of two layers of graphite cloth, a conductive framework clamped between the two layers of graphite cloth and graphite powder filled between the two layers of graphite cloth, and the surfaces of the two layers of graphite cloth opposite to each other are provided with glue coating layers.
As a further optimization of the flexible grounding cable of the sandwich graphite base: the graphite cloth cylinder is composed of two layers of graphite cloth, a conductive framework clamped between the two layers of graphite cloth and graphite powder filled between the two layers of graphite cloth, and glue coating layers are arranged on the opposite surfaces of the two layers of graphite cloth.
As a further optimization of the flexible grounding cable of the sandwich graphite base: the conductive framework is composed of criss-cross glass fiber yarns.
As a further optimization of the flexible grounding cable of the sandwich graphite base: and metal wires are also arranged between the longitudinal glass fiber wires of the conductive framework.
As a further optimization of the flexible grounding cable of the sandwich graphite base: the mesh number of the conductive framework is 26-30 meshes, and the diameters of the metal wires and the glass fiber wires are 0.2-0.3 mm.
The utility model discloses a ground connection cable has following beneficial effect:
1. compared with the resistivity of the original product, the grounding cable of the utility model reduces the resistivity by 8-10 percent, thereby improving the functionality of the lightning protection grounding product and widening the application range;
2. the utility model discloses a ground connection cable is better than former product pliability, and the outward appearance is better looking, does benefit to the construction and promotes.
Drawings
FIG. 1 is a schematic view showing the internal structure of a ground cable according to embodiment 2;
FIG. 2 is a schematic view showing the internal structure of the ground cable according to embodiment 4;
FIG. 3 is a schematic view of the internal structure of the graphite cloth in the grounding cable of the present invention;
FIG. 4 is a schematic view of the structure of the outer portion of the graphite cloth in the grounding cable of the present invention;
FIG. 5 is a schematic view showing the external structure of the graphite cloth in the ground cable according to example 5;
the labels in the figure are: 1. the cable comprises a graphite cloth inner core, 2 parts of a graphite wire braided layer, 3 parts of a glass fiber braided layer, 4 parts of a stainless steel wire mesh, 1-1 parts of graphite cloth, 1-2 parts of a conductive framework, 1-3 parts of glass fiber wires, 1-4 parts of metal wires, 1-5 parts of a lockstitching edge.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
As shown in fig. 3 and 4: a sandwich graphite-based flexible grounding cable is composed of a graphite cloth inner core 1 and a graphite wire braid layer 2 wrapped outside the graphite cloth inner core 1. The graphite cloth inner core 1 is a plurality of graphite cloth strips which are stacked together, and during processing, the graphite wire braided layer 2 is braided outside the stacked graphite cloth strips in a crossed manner. The graphite cloth strip is composed of two layers of graphite cloth 1-1, a conductive framework 1-2 clamped between the two layers of graphite cloth 1-1 and graphite powder filled between the two layers of graphite cloth 1-1, glue coating layers are arranged on the opposite surfaces of the two layers of graphite cloth 1-1, and the glue coating layers are mutually bonded through extrusion after the graphite cloth strip is assembled. The conductive framework 1-2 is composed of criss-cross glass fiber yarns 1-3, and metal wires 1-4 are arranged between the longitudinal glass fiber yarns 1-3 of the conductive framework. The mesh number of the conductive framework 1-2 is 26-30 meshes, and the diameters of the metal wire 1-4 and the glass fiber wire 1-3 are 0.2-0.3 mm.
Example 2
As shown in fig. 1, 3 and 4: a sandwich graphite-based flexible grounding cable is composed of a graphite cloth inner core 1 and a graphite wire braid layer 2 wrapped outside the graphite cloth inner core 1. The graphite cloth inner core 1 is a plurality of graphite cloth cylinders which are nested in sequence from large to small. The graphite cloth cylinder is composed of two layers of graphite cloth 1-1, a conductive framework 1-2 clamped between the two layers of graphite cloth 1-1 and graphite powder filled between the two layers of graphite cloth 1-1, and gluing layers are arranged on the opposite surfaces of the two layers of graphite cloth 1-1. The conductive framework 1-2 is composed of criss-cross glass fiber yarns 1-3, and metal wires 1-4 are arranged between the longitudinal glass fiber yarns 1-3 of the conductive framework. The mesh number of the conductive framework 1-2 is 26-30 meshes, and the diameters of the metal wire 1-4 and the glass fiber wire 1-3 are 0.2-0.3 mm.
Example 3
As shown in fig. 3 and 4: the utility model provides a flexible earth connection cable of core graphite base, comprises graphite cloth inner core 1 and the graphite wire weaving layer 2 of parcel outside graphite cloth inner core 1, still is equipped with glass fiber weaving layer 3 between graphite cloth inner core 1 and the graphite wire weaving layer 2, and the outside of graphite wire weaving layer 2 still is equipped with stainless steel net 4, and glass fiber weaving layer 3 can increase the pliability of earth connection cable, and stainless steel net 4 can increase the intensity and the electrically conductive effect of earth connection cable. The graphite cloth inner core 1 is a plurality of graphite cloth cylinders which are nested in sequence from large to small. The graphite cloth cylinder is composed of two layers of graphite cloth 1-1, a conductive framework 1-2 clamped between the two layers of graphite cloth 1-1 and graphite powder filled between the two layers of graphite cloth 1-1, and gluing layers are arranged on the opposite surfaces of the two layers of graphite cloth 1-1. The conductive framework 1-2 is composed of criss-cross glass fiber wires 1-3, metal wires 1-4 are further arranged between the longitudinal glass fiber wires 1-3 of the conductive framework, so that the metal wires are added longitudinally, the metal wires are good in conductive performance and beneficial to increase the conductive performance of a product, in addition, the metal wires are not added transversely, the graphite cloth is integrally bent transversely to form a curved surface when graphite wires are woven outside the graphite cloth, if flexible metal wires are also arranged transversely, the single-layer graphite cloth is very likely to be punctured at two ends of the metal wires, and then graphite powder in meshes can overflow (the situation is also likely to occur in the transportation process). The mesh number of the conductive framework 1-2 is 26-30 meshes, and the diameters of the metal wire 1-4 and the glass fiber wire 1-3 are 0.2-0.3 mm.
Example 4
As shown in the figure: a sandwich graphite-based flexible grounding cable is composed of a graphite cloth inner core 1 and a graphite wire braid layer 2 wrapped outside the graphite cloth inner core 1. Still be equipped with glass fiber weaving layer 3 between graphite cloth inner core 1 and the graphite wire weaving layer 2, the outside of graphite wire weaving layer 2 still is equipped with stainless steel net 4, and glass fiber weaving layer 3 can increase the pliability of earth connection cable, and stainless steel net 4 can increase the intensity and the electrically conductive effect of earth connection cable. The graphite cloth inner core 1 is a plurality of graphite cloth cylinders which are nested in sequence from large to small. The graphite cloth cylinder is composed of two layers of graphite cloth 1-1, a conductive framework 1-2 clamped between the two layers of graphite cloth 1-1 and graphite powder filled between the two layers of graphite cloth 1-1, and gluing layers are arranged on the opposite surfaces of the two layers of graphite cloth 1-1. The conductive framework 1-2 is composed of criss-cross glass fiber yarns 1-3, and metal wires 1-4 are arranged between the longitudinal glass fiber yarns 1-3 of the conductive framework. So at vertical increase wire, because the electric conductive property of metal is good, helps increasing the electric conductive property of product, not transversely increase the wire in addition because when processing graphite cloth into a graphite section of thick bamboo, the whole curved surface that forms along horizontal bending of graphite cloth, if transversely also set up flexible wire, the both ends of wire are very likely to prick single-layer graphite cloth, like this will lead to the graphite powder in the mesh to spill over (this kind of condition also likely to appear in the transportation). The mesh number of the conductive framework 1-2 is 26-30 meshes, and the diameters of the metal wire 1-4 and the glass fiber wire 1-3 are 0.2-0.3 mm.
Example 5
As shown in fig. 1, 3 and 5: a sandwich graphite-based flexible grounding cable is composed of a graphite cloth inner core 1 and a graphite wire braid layer 2 wrapped outside the graphite cloth inner core 1. Still be equipped with glass fiber weaving layer 3 between graphite cloth inner core 1 and the graphite wire weaving layer 2, the outside of graphite wire weaving layer 2 still is equipped with stainless steel net 4, and glass fiber weaving layer 3 can increase the pliability of earth connection cable, and stainless steel net 4 can increase the intensity and the electrically conductive effect of earth connection cable. The graphite cloth inner core 1 is a plurality of graphite cloth cylinders which are nested in sequence from large to small. The graphite cloth cylinder is composed of two layers of graphite cloth 1-1, a conductive framework 1-2 clamped between the two layers of graphite cloth 1-1 and graphite powder filled between the two layers of graphite cloth 1-1, and gluing layers are arranged on the opposite surfaces of the two layers of graphite cloth 1-1. The conductive framework 1-2 is composed of criss-cross glass fiber yarns 1-3, and metal wires 1-4 are arranged between the longitudinal glass fiber yarns 1-3 of the conductive framework. So at vertical increase wire, because the electric conductive property of metal is good, helps increasing the electric conductive property of product, not transversely increase the wire in addition because when processing graphite cloth into a graphite section of thick bamboo, the whole curved surface that forms along horizontal bending of graphite cloth, if transversely also set up flexible wire, the both ends of wire are very likely to prick single-layer graphite cloth, like this will lead to the graphite powder in the mesh to spill over (this kind of condition also likely to appear in the transportation). The mesh number of the conductive framework 1-2 is 26-30 meshes, and the diameters of the metal wire 1-4 and the glass fiber wire 1-3 are 0.2-0.3 mm. Two sides of the two layers of graphite cloth 1-1 in the length direction are sewn with glass fiber silk serging 1-5, and the graphite cloth strips can be further fastened through the serging 1-5.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. A flexible ground cable of core graphite base which characterized in that: consists of a graphite cloth inner core (1) and a graphite wire braid layer (2) wrapped outside the graphite cloth inner core (1).
2. The sandwich graphite-based flexible ground cable of claim 1, wherein: and a glass fiber braided layer (3) is also arranged between the graphite cloth inner core (1) and the graphite wire braided layer (2).
3. The flexible sandwich graphite-based ground cable of claim 1 or 2, wherein: and a stainless steel wire mesh (4) is also arranged outside the graphite wire braided layer (2).
4. The sandwich graphite-based flexible ground cable of claim 1, wherein: the graphite cloth inner core (1) is formed by stacking a plurality of graphite cloth strips.
5. The sandwich graphite-based flexible ground cable of claim 1, wherein: the graphite cloth inner core (1) is a plurality of graphite cloth cylinders which are nested in sequence from large to small.
6. The flexible sandwich graphite-based ground cable of claim 4, wherein: the graphite cloth strip is composed of two layers of graphite cloth (1-1), a conductive framework (1-2) clamped between the two layers of graphite cloth (1-1) and graphite powder filled between the two layers of graphite cloth (1-1), and glue coating layers are arranged on the opposite surfaces of the two layers of graphite cloth (1-1).
7. The sandwich graphite-based flexible ground cable of claim 5, wherein: the graphite cloth cylinder is composed of two layers of graphite cloth (1-1), a conductive framework (1-2) clamped between the two layers of graphite cloth (1-1) and graphite powder filled between the two layers of graphite cloth (1-1), and glue coating layers are arranged on the opposite surfaces of the two layers of graphite cloth (1-1).
8. The flexible sandwich graphite-based ground cable of claim 6 or 7, wherein: the conductive framework (1-2) is composed of criss-cross glass fiber yarns (1-3).
9. The sandwich graphite-based flexible ground cable of claim 8, wherein: and metal wires (1-4) are also arranged between the longitudinal glass fiber wires (1-3) of the conductive framework.
10. The sandwich graphite-based flexible ground cable of claim 9, wherein: the mesh number of the conductive framework (1-2) is 26-30 meshes, and the diameters of the metal wires (1-4) and the glass fiber wires (1-3) are 0.2-0.3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020925553.9U CN212062711U (en) | 2020-05-28 | 2020-05-28 | Sandwich graphite-based flexible grounding cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020925553.9U CN212062711U (en) | 2020-05-28 | 2020-05-28 | Sandwich graphite-based flexible grounding cable |
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| CN212062711U true CN212062711U (en) | 2020-12-01 |
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| CN202020925553.9U Active CN212062711U (en) | 2020-05-28 | 2020-05-28 | Sandwich graphite-based flexible grounding cable |
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