CN213070669U - Miniature light shielded cable for unmanned aerial vehicle - Google Patents
Miniature light shielded cable for unmanned aerial vehicle Download PDFInfo
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- CN213070669U CN213070669U CN202022200834.0U CN202022200834U CN213070669U CN 213070669 U CN213070669 U CN 213070669U CN 202022200834 U CN202022200834 U CN 202022200834U CN 213070669 U CN213070669 U CN 213070669U
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Abstract
The utility model provides a miniature light shielded cable for unmanned aerial vehicle, including locating outermost restrictive coating, the inseparable cover in the restrictive coating is equipped with the shielding layer, is equipped with the conductor in the shielding layer, and conductor quantity is two and every conductor and all closely overlaps outward and be equipped with the insulating layer, tangent setting between two insulating layers, and two insulating layers all inscribe in the shielding layer, the shielding layer is including locating the conductive fiber weaving layer in the outside and locating inboard aluminium foil layer, and space department between aluminium foil layer and two insulating layers is equipped with the filling layer. The utility model forms the shielding layer by weaving the conductive fiber and longitudinally wrapping the aluminum foil, thereby increasing the flexibility and the longitudinal tensile strength of the cable and reducing the weight of the cable; the insulating layer and the sheath layer are manufactured through the fluoroplastic F46, so that the thicknesses of the insulating layer and the sheath layer are reduced under the condition that the current-carrying capacity of the electric wire cable is increased, the outer diameters of the insulating layer and the sheath layer are reduced, and the space is saved.
Description
Technical Field
The utility model relates to a communication cable technical field, concretely relates to miniature light shielded cable for unmanned aerial vehicle.
Background
Unmanned aerial vehicle cable does not have unified design standard in the market at present, and to unmanned aerial vehicle cable, what current market generally adopted is conventional wire and cable, its insulating layer and restrictive coating that generally adopts temperature resistant PVC material, the shielding layer that low smoke and zero halogen material, naked copper or tinned copper were woven. These designs are used in not having any problem on conventional wire and cable, but are used in unmanned aerial vehicle's that will be very big restriction unmanned aerial vehicle's whole weight and its inside usage space, in addition, current unmanned aerial vehicle shielded cable still ubiquitous whole compliance is not enough and the problem that vertical tensile strength is low, leads to unmanned aerial vehicle to appear the accident easily.
Therefore, it is desirable to provide a miniature lightweight shielded cable for unmanned aerial vehicles to solve the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
To the above technical problem in the related art, the utility model provides a miniature light shielded cable for unmanned aerial vehicle weaves through conductive fiber and adds the aluminium foil and indulges the package and form the shielding layer, increases the compliance and the vertical tensile strength of cable, compares bare copper or tinned copper and weaves the shielding layer weight and reduces half; the fluoroplastic F46 is used for manufacturing the insulating layer and the sheath layer, so that the thicknesses of the insulating layer and the sheath layer are reduced under the condition that the current-carrying capacity of the electric wire cable is increased, the outer diameters of the insulating layer and the sheath layer are reduced, the outer diameter of the cable is reduced by 10-15% compared with that of a common cable, and the space is saved.
In order to solve the technical problem, the utility model adopts the technical scheme that:
the utility model provides a miniature light shielded cable for unmanned aerial vehicle, is including locating outermost restrictive coating, the inseparable cover in the restrictive coating is equipped with the shielding layer, be equipped with the conductor in the shielding layer, conductor quantity is two and every the conductor is outer all closely to be equipped with the insulating layer, two tangent setting between the insulating layer, and two the insulating layer all inscribe in the shielding layer, the shielding layer is including locating the conductive fiber weaving layer in the outside and locating inboard aluminium foil layer, aluminium foil layer and two space department between the insulating layer is equipped with the filling layer.
The utility model provides a pair of among miniature light shielded cable for unmanned aerial vehicle, the conductor is formed by a plurality of tinned copper wires transposition, and the transposition forms the conductor cross-section is circular.
The utility model provides a pair of among miniature light shielded cable for unmanned aerial vehicle, the insulating layer is the sleeve pipe of making by fluoroplastics F46, the insulating layer cross-section is the annular, the insulating layer thickness is 0.35 mm.
The utility model provides a pair of among miniature light shielded cable for unmanned aerial vehicle, the aluminium foil layer will by the aluminium foil the conductor with the insulating layer surrounds and forms, just aluminium foil layer cross-section is the annular.
The utility model provides a pair of among miniature light shielded cable for unmanned aerial vehicle, the conductive fiber weaving layer is the sleeve pipe of being woven by conductive fiber, just conductive fiber weaving layer cross-section is the annular.
The utility model provides a pair of among miniature light shielded cable for unmanned aerial vehicle, conductive fiber weaving layer surface with the tight close looks subsides of restrictive coating internal surface, conductive fiber weaving layer internal surface with the tight close looks subsides of aluminium foil layer surface, aluminium foil layer internal surface and two the insulating layer surface is tangent.
The utility model provides a pair of among miniature light shielded cable for unmanned aerial vehicle, the filling layer is filled there is high strength fiber, just high strength fiber is full of aluminium foil layer and two space department between the insulating layer.
The utility model provides a pair of among miniature light shielded cable for unmanned aerial vehicle, the restrictive coating is the sleeve pipe of making by fluoroplastics F46, the restrictive coating cross-section is the annular.
The utility model provides a pair of among miniature light shielded cable for unmanned aerial vehicle, the whole cross-section of cable is circular.
The utility model discloses compare in prior art, its beneficial effect is:
the shielding layer is formed by weaving the conductive fibers and longitudinally wrapping the aluminum foil, so that the flexibility and the longitudinal tensile strength of the cable are improved, and the weight of the cable is reduced by half compared with the shielding layer woven by bare copper or tinned copper; the fluoroplastic F46 is used for manufacturing the insulating layer and the sheath layer, so that the thicknesses of the insulating layer and the sheath layer are reduced under the condition that the current-carrying capacity of the electric wire and the electric cable is increased, the outer diameters of the insulating layer and the sheath layer are reduced, and the electric wire and the sheath layer have the advantages of high temperature resistance of 200 ℃, wear resistance, acid and alkali resistance and excellent mechanical performance.
In the whole view, the weight of the cable per unit length is reduced by 30-40% compared with the weight of the common shielding type cable; the outer diameter of the wire cable is reduced by 10-15% compared with the common cable, the space is saved, and the bending performance of the wire cable is better; a smaller cross section can be adopted under the same current-carrying capacity, so that the using amount of a copper conductor is reduced; the overall longitudinal tensile strength of the cable is increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding drawings of some embodiments of the present invention.
Fig. 1 is a schematic cross-sectional view of a miniature light-weight shielded cable for an unmanned aerial vehicle according to an embodiment of the present invention.
Detailed Description
In order to solve the problems of insufficient flexibility, low longitudinal tensile strength, limitation on the whole weight of the unmanned aerial vehicle and the internal use space of the unmanned aerial vehicle shielded cable in the prior art, the utility model provides a miniature light shielded cable for the unmanned aerial vehicle, which increases the flexibility and the longitudinal tensile strength of the cable by forming a shielding layer by weaving conductive fibers and longitudinally wrapping aluminum foils, and reduces the weight by half compared with the shielding layer woven by bare copper or tinned copper; the fluoroplastic F46 is used for manufacturing the insulating layer and the sheath layer, so that the thicknesses of the insulating layer and the sheath layer are reduced under the condition that the current-carrying capacity of the electric wire cable is increased, the outer diameters of the insulating layer and the sheath layer are reduced, the outer diameter of the cable is reduced by 10-15% compared with that of a common cable, and the space is saved.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
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 the skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, according to the embodiment of the utility model provides a miniature light shielded cable for unmanned aerial vehicle, including locating outermost restrictive coating 5, closely the cover is equipped with shielding layer 3 in restrictive coating 5, be equipped with conductor 1 in the shielding layer 3, conductor 1 quantity is two and every 1 outer all closely the cover of conductor is equipped with insulating layer 2, two tangent setting between insulating layer 2, and two insulating layer 2 all inscribe in shielding layer 3.
In the preferred embodiment, the shielding layer 3 includes a conductive fiber braid 301 disposed on the outer side and an aluminum foil layer 302 disposed on the inner side, and a filling layer 4 is disposed in a gap between the aluminum foil layer 302 and the two insulating layers 2. Preferably, the cross sections of the two insulating layers 2 are symmetrically arranged along the center line of the aluminum foil layer 302, and are tangent to each other, so as to divide the inside of the aluminum foil layer 302 into two upper and lower symmetrical regions, and the two symmetrical regions are filled with the filling layer 4.
In the preferred embodiment, the conductor 1 is formed by twisting a plurality of tinned copper wires, and the cross section of the twisted conductor 1 is circular.
The specific quantity of the tinned copper wires is determined according to the situation, and the performance meets the specified standard.
In the preferred embodiment, the insulating layer 2 is a casing made of fluoroplastic F46, the insulating layer 2 has an annular cross section, and the insulating layer 2 has a thickness of 0.35 mm; the insulating layer 2 made of the fluoroplastic F46 has high-strength physical and mechanical properties and dielectric constant, the design thickness of the insulating layer 2 is half of the standard thickness of a conventional cable under the same voltage, the normal operating temperature of the insulating layer can reach 200 ℃, a smaller sectional area can be adopted under the same current-carrying capacity, the using amount of a copper conductor is reduced, and the outer diameter of the whole cable is small and the weight is light.
In the preferred embodiment, the aluminum foil layer 302 is formed by aluminum foil surrounding the conductor 1 and the insulating layer 2, and the aluminum foil layer 302 has a ring-shaped cross section.
In the preferred embodiment, the conductive fiber braided layer 301 is a sleeve braided by conductive fibers, and the cross section of the conductive fiber braided layer 301 is annular.
In the preferred embodiment, the shielding layer 3 is made of conductive fiber braided together with aluminum foil longitudinal wrapping, so that the flexibility and the longitudinal tensile strength of the cable are increased, and the weight of the shielding layer is reduced by half compared with that of a bare copper (or tinned copper) braided layer. The conductive fiber braided layer 301 has a conductive effect, has good shielding performance and excellent tensile strength, and can lighten the quality of the shielding layer.
In the preferred embodiment, the outer surface of the woven conductive fiber layer 301 is closely attached to the inner surface of the sheath layer 5, the inner surface of the woven conductive fiber layer 301 is closely attached to the outer surface of the aluminum foil layer 302, and the inner surface of the aluminum foil layer 302 is tangent to the outer surfaces of the two insulating layers 2.
In the preferred embodiment, the filler layer 4 is filled with high strength fibers, and the high strength fibers fill the gap between the aluminum foil layer 302 and the two insulating layers 2. The high-strength fiber can play a role in fixing the positions of the insulating layer 2 and the conductor 1, and the high-strength fiber filler can enhance the flexibility and the bending performance of the whole cable and has light weight.
In the preferred embodiment, the sheath layer 5 is a sleeve made of fluoroplastic F46, the cross section of the sheath layer 5 is annular, and the thickness of the sheath layer 5 is 0.5 mm; sheath layer 5 that adopts fluoroplastics F46 to make has the physical and mechanical properties and the dielectric constant of high strength, sheath layer 5's design thickness is half of conventional cable standard thickness under the same voltage, and its normal operating temperature can reach 200 degrees, can take littleer sectional area under the same current-carrying capacity, sheath layer 5 thickness and cable external diameter have been reduced, and it possesses wear-resisting, acid and alkali resistance, and excellent mechanical properties, make under the more excellent condition of whole cable performance, reach the purpose that the external diameter is little quantization, the quality is lightweight.
In the preferred embodiment, the cable is circular in overall cross section and has a diameter of 4.9mm (the diameter of the cable is at least 10% smaller than the conventional diameter in the market), the minimum bending radius of the cable is 30mm after the design, the rated voltage is 300/500V, and the cross-sectional area of each core of the cable is 0.5mm2。
Further, in another embodiment, in order to conveniently carry the cable, can set up the handle at a detachable sleeve pipe of the outmost cover of restrictive coating 5, conveniently carry and take at the sleeve pipe, and the sleeve pipe can be dismantled and also can not influence the in-service use of cable.
To sum up, the utility model forms the shielding layer by weaving the conductive fiber and longitudinally wrapping the aluminum foil, increases the flexibility and the longitudinal tensile strength of the cable, and reduces half of the weight of the shielding layer compared with the shielding layer woven by bare copper or tinned copper; the fluoroplastic F46 is used for manufacturing the insulating layer and the sheath layer, so that the thicknesses of the insulating layer and the sheath layer are reduced under the condition that the current-carrying capacity of the electric wire and the electric cable is increased, the outer diameters of the insulating layer and the sheath layer are reduced, and the electric wire and the sheath layer have the advantages of high temperature resistance of 200 ℃, wear resistance, acid and alkali resistance and excellent mechanical performance. In addition, the weight of the cable in unit length of the utility model is reduced by 30-40% compared with the weight of the common shielding cable as a whole; the outer diameter of the wire cable is reduced by 10-15% compared with the common cable, the space is saved, and the bending performance of the wire cable is better; a smaller cross section can be adopted under the same current-carrying capacity, so that the using amount of a copper conductor is reduced; the overall longitudinal tensile strength of the cable is increased.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.
Claims (10)
1. The utility model provides a miniature light shielded cable for unmanned aerial vehicle, is including locating outermost restrictive coating (5), its characterized in that, closely the cover is equipped with shielding layer (3) in restrictive coating (5), be equipped with conductor (1) in shielding layer (3), conductor (1) quantity is two and every conductor (1) all closely the cover is equipped with insulating layer (2), two closely set up between insulating layer (2), and two insulating layer (2) all inscribe in shielding layer (3), shielding layer (3) are including locating conductive fiber weaving layer (301) in the outside and locating inboard aluminium foil layer (302), aluminium foil layer (302) and two space department between insulating layer (2) is equipped with filling layer (4).
2. The miniature light-weight shielding cable for the unmanned aerial vehicle as claimed in claim 1, wherein the conductor (1) is formed by twisting a plurality of tinned copper wires, and the twisted conductor (1) has a circular cross section.
3. The miniature light-weight shielded cable for unmanned aerial vehicles according to claim 1, wherein the insulating layer (2) is a sleeve made of fluoroplastic F46, the section of the insulating layer (2) is annular, and the thickness of the insulating layer (2) is 0.35 mm.
4. The micro lightweight shielded cable for unmanned aerial vehicle according to claim 1, wherein the aluminum foil layer (302) is formed by an aluminum foil surrounding the conductor (1) and the insulating layer (2), and the aluminum foil layer (302) has a ring-shaped cross section.
5. The miniature light-weight shielded cable for unmanned aerial vehicle of claim 1, wherein said conductive fiber braid (301) is a sleeve braided by conductive fibers, and said conductive fiber braid (301) has a circular cross section.
6. The miniature light-weight shielding cable for the unmanned aerial vehicle as claimed in claim 1, wherein the outer surface of the conductive fiber braided layer (301) is closely attached to the inner surface of the sheath layer (5), the inner surface of the conductive fiber braided layer (301) is closely attached to the outer surface of the aluminum foil layer (302), and the inner surface of the aluminum foil layer (302) is tangent to the outer surfaces of the two insulating layers (2).
7. The miniature light-weight shielded cable for unmanned aerial vehicle of claim 1, wherein the filling layer (4) is filled with high-strength fibers, and the high-strength fibers fill the gap between the aluminum foil layer (302) and the two insulating layers (2).
8. The miniature light-weight shielded cable for unmanned aerial vehicles according to claim 1, wherein the sheath layer (5) is a sleeve made of fluoroplastic F46, the cross section of the sheath layer (5) is annular, and the thickness of the sheath layer (5) is 0.5 mm.
9. The miniature light-weight shielded cable for unmanned aerial vehicles according to claim 1, wherein the overall cross section of the cable is circular.
10. The miniature light shielding cable for the unmanned aerial vehicle is characterized by comprising an outermost sheath layer (5), wherein a shielding layer (3) is tightly sleeved in the sheath layer (5), conductors (1) are arranged in the shielding layer (3), the number of the conductors (1) is two, an insulating layer (2) is tightly sleeved outside each conductor (1), the two insulating layers (2) are arranged in a tangent mode, the two insulating layers (2) are internally tangent to the shielding layer (3), the shielding layer (3) comprises a conductive fiber braided layer (301) arranged on the outer side and an aluminum foil layer (302) arranged on the inner side, and a filling layer (4) is arranged in a gap between the aluminum foil layer (302) and the two insulating layers (2);
the conductor (1) is formed by twisting a plurality of tinned copper wires, and the cross section of the twisted conductor (1) is circular;
the insulating layer (2) is a sleeve made of fluoroplastic F46, the section of the insulating layer (2) is annular, and the thickness of the insulating layer (2) is 0.35 mm;
the aluminum foil layer (302) is formed by surrounding the conductor (1) and the insulating layer (2) by aluminum foil, and the section of the aluminum foil layer (302) is annular;
the conductive fiber braided layer (301) is a sleeve woven by conductive fibers, and the section of the conductive fiber braided layer (301) is annular;
the outer surface of the conductive fiber braided layer (301) is closely attached to the inner surface of the sheath layer (5), the inner surface of the conductive fiber braided layer (301) is closely attached to the outer surface of the aluminum foil layer (302), and the inner surface of the aluminum foil layer (302) is tangent to the outer surfaces of the two insulating layers (2);
the filling layer (4) is filled with high-strength fibers, and the high-strength fibers fill the gap between the aluminum foil layer (302) and the two insulating layers (2);
the sheath layer (5) is a sleeve made of fluoroplastic F46, the cross section of the sheath layer (5) is annular, and the thickness of the sheath layer (5) is 0.5 mm;
the cable has a circular overall cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022200834.0U CN213070669U (en) | 2020-09-29 | 2020-09-29 | Miniature light shielded cable for unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022200834.0U CN213070669U (en) | 2020-09-29 | 2020-09-29 | Miniature light shielded cable for unmanned aerial vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN213070669U true CN213070669U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022200834.0U Active CN213070669U (en) | 2020-09-29 | 2020-09-29 | Miniature light shielded cable for unmanned aerial vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN213070669U (en) |
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2020
- 2020-09-29 CN CN202022200834.0U patent/CN213070669U/en active Active
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