CN219534137U - New energy automobile fills high temperature resistant cable for discharge - Google Patents

Abstract

The utility model discloses a high-temperature-resistant cable for charging and discharging of a new energy automobile, which comprises a cable base body, wherein a filling assembly is fixedly arranged in the cable base body, heat transfer sheets are fixedly arranged in the cable base body, the number of the heat transfer sheets is a plurality, a wire core is fixedly arranged on the side surface of the inside of the heat transfer sheets, and a heat dissipation pipe is fixedly arranged in the heat transfer sheets. According to the scheme, the conductive layer and the heat conducting sheet body are arranged, the cable is supported through the heat conducting sheet body, damage between the wire cores is avoided when the cable is impacted, and meanwhile abrasion caused by collision between the heat radiating guide pipe and the wire cores is avoided, so that the service life of the cable is influenced; the heat of the heat conducting sheet body is transferred to the inside of the scarf joint groove through the heat radiating fins, so that the conducting layer conducts heat and is discharged through the heat radiating groove, the heat is radiated through the heat radiating guide pipe, and simultaneously the inside and the outside of the heat conducting sheet body radiate heat, so that the heat radiating effect is more ideal, the cable is more resistant to high temperature, and the high temperature resistant effect of the cable is improved.

Description

New energy automobile fills high temperature resistant cable for discharge

Technical Field

The utility model relates to the technical field of cables, in particular to a high-temperature-resistant cable for charging and discharging of a new energy automobile.

Background

With the rapid development of new energy electric automobiles, the requirements on the cables for the new energy electric automobiles are remarkably increased, and higher requirements on the high temperature resistance and corrosion resistance of the cables are provided, the cables for the new energy electric automobiles are required to cope with complex working environments in the new energy electric automobiles, and in actual use, the working environments of the cables sometimes exceed 125 ℃, so that the high temperature tolerance of the cables is insufficient, vehicle faults are easy to cause, and the cables are improved to achieve the high temperature tolerance of 150 ℃; in addition, the cable for the new energy automobile is charged and discharged by a lithium battery, and may be subjected to adverse effects such as surface corrosion and copper conductor corrosion caused by corrosion of battery electrolyte, so that electrolyte resistance is also a desirable property of the cable for the new energy automobile. In the process of designing the new energy electric automobile cable, the main aim is to ensure the characteristics of heat resistance, cold resistance and the like of the electric automobile charging cable, and only then can ensure the electric automobile charging cable to work normally under various complex environments.

In order to solve the problems, patent document publication No. CN215731026U, a high temperature resistant cable for charging and discharging of a new energy automobile comprises a cable core, wherein the cable core comprises three power wire cores and a heat dissipation conduit, each power wire core comprises a conductor, an insulating layer which is wrapped outside the conductor in an extrusion mode, an inner shielding layer which is wrapped outside the insulating layer, and a metal shielding layer which is woven outside the inner shielding layer, the heat dissipation conduit is made of silicon rubber, foaming silicon rubber is filled in the heat dissipation conduit, an outer protection layer and a heat insulation layer are arranged outside the cable core, the outer protection layer is wrapped outside the cable core in an extrusion mode, and the heat insulation layer is made of ceramic fiber wires which are woven outside the outer protection layer.

When the device is used, the outer protective layer is made of the hydrofluoric acid-resistant high-tearing-resistant silicone rubber special for the automobile wire, good mechanical protection effect (wear resistance and tearing resistance) is provided for the cable, and the cable has excellent flame retardance and high temperature resistance, but in the use process, the outer protective layer is wrapped through the heat insulation layer, the outside high temperature is further protected, and the inside is cooled, only the heat dissipation guide pipe is used for cooling, and the heat dissipation guide pipe is located in the heat insulation layer, and the length of the heat dissipation guide pipe is equal to that of the cable, so that the cable is integrally longer and located on one side, the heat dissipation effect is not ideal enough due to the fact that the heat dissipation is carried out from inside to outside, the inside temperature of the cable is high, and the service effect and the service life of the cable are affected.

Disclosure of Invention

In order to overcome the defects of the prior art, the embodiment of the utility model provides a high-temperature-resistant cable for charging and discharging of a new energy automobile, which is used for solving the problems that the prior high-temperature-resistant cable wraps an outer protective layer through a heat insulation layer, is used for protecting the outside from high temperature and is used for radiating the inside, and is only used for radiating through a radiating conduit.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a new energy automobile fills high temperature resistant cable for discharge, includes the cable base member, the inside fixed mounting of cable base member has the filling component, the inside fixed mounting of cable base member has the heat transfer piece, the quantity of heat transfer piece is a plurality of, the inside side fixed mounting of heat transfer piece has the conductor core, the inside fixed mounting of heat transfer piece has the heat dissipation pipe.

The number of the wire cores is three, the three wire cores comprise metal shielding layers, the inner parts of the metal shielding layers are fixedly sleeved with insulating shielding layers, the inner parts of the insulating shielding layers are fixedly sleeved with insulating layers, the inner parts of the insulating layers are fixedly sleeved with conductor shielding layers, and the inner parts of the conductor shielding layers are fixedly sleeved with metal wires.

The heat transfer sheet comprises a plurality of heat transfer sheets, heat dissipation fins are arranged on the side edges of the heat transfer sheets, layering holes are formed in the heat transfer sheets, and limiting grooves are formed in the outer sides of the heat transfer sheets.

The heat conducting sheet body is fixedly sleeved with the outer surface of the heat radiating conduit, and the layering holes are fixedly sleeved on the outer surface of the metal shielding layer.

The filling assembly comprises three silica gel sleeves, and PP filling ropes are movably sleeved in the three silica gel sleeves.

The cable matrix comprises an outer protective layer, a conductive layer is fixedly sleeved on the outer surface of the outer protective layer, scarf joint grooves are formed in the side edges of the conductive layer, the scarf joint grooves are formed in a plurality of numbers, the scarf joint grooves are uniformly formed in the conductive layer, a heat insulation layer is fixedly sleeved on the outer surface of the conductive layer, and heat dissipation grooves are formed in the outer surface of the heat insulation layer.

Wherein, the silica gel cover activity cup joints in the inside of spacing groove.

The heat conducting sheet body is fixedly arranged in the outer protective layer, the heat radiating fins are mounted in the embedding grooves in an embedding mode, and the heat conducting sheet body is distributed in the outer protective layer.

The utility model has the technical effects and advantages that:

in the scheme, the conductive layer and the heat conducting sheet body are arranged, the cable is supported through the heat conducting sheet body, so that the cable is prevented from being damaged when being impacted, and meanwhile, the heat radiating guide pipe and the wire core are prevented from being impacted and worn, and the service life of the cable is prevented from being influenced;

the heat of heat conducting lamellar body self is transferred to the inside of scarf joint groove through the heat dissipation wing, makes the conducting layer conduct heat to discharge through the heat dissipation groove, when radiating through the heat dissipation pipe, utilize the heat dissipation groove of surface to discharge, inside and outside heat dissipation simultaneously, the radiating effect is more ideal, thereby makes the cable more high temperature resistant, improves the high temperature resistant effect of cable.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a wire core structure according to the present utility model;

FIG. 3 is a schematic view of a heat transfer sheet structure according to the present utility model;

FIG. 4 is a schematic view of a packing assembly of the present utility model;

fig. 5 is a schematic view of the cable matrix structure of the present utility model.

The reference numerals are: 1. a cable base; 2. a filling assembly; 3. a heat transfer sheet; 4. a conductor core; 5. a heat dissipation conduit; 11. an outer protective layer; 12. a conductive layer; 13. a scarf joint groove; 14. a thermal insulation layer; 15. a heat sink; 21. a silica gel sleeve; 22. PP filling ropes; 31. a heat conductive sheet; 32. layering holes; 33. radiating fins; 34. a limit groove; 41. a metal shielding layer; 42. an insulating shielding layer; 43. an insulating layer; 44. a conductor shielding layer; 45. and a metal wire.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5, the embodiment of the utility model provides a high temperature resistant cable for charging and discharging of a new energy automobile, which comprises a cable base 1, wherein a filling assembly 2 is fixedly arranged in the cable base 1, heat transfer sheets 3 are fixedly arranged in the cable base 1, the number of the heat transfer sheets 3 is a plurality, a wire core 4 is fixedly arranged on the side surface in the heat transfer sheets 3, and a heat dissipation conduit 5 is fixedly arranged in the heat transfer sheets 3.

The number of the wire cores 4 is three, the three wire cores 4 comprise metal shielding layers 41, the inside of each metal shielding layer 41 is fixedly sleeved with an insulating shielding layer 42, the inside of each insulating shielding layer 42 is fixedly sleeved with an insulating layer 43, the inside of each insulating layer 43 is fixedly sleeved with a conductor shielding layer 44, and the inside of each conductor shielding layer 44 is fixedly sleeved with a metal wire 45.

Wherein, the heat transfer piece 3 includes heat conduction lamellar body 31, and the quantity of heat conduction lamellar body 31 is a plurality of, and the radiating fin 33 has been seted up to the side of heat conduction lamellar body 31, and layering hole 32 has been seted up to the inside of heat conduction lamellar body 31, and spacing groove 34 has been seted up in the outside of heat conduction lamellar body 31, sets up heat conduction lamellar body 31, makes the quantity of heat conduction lamellar body 31 be a plurality of, when supporting the cable, conducts the heat that heat dissipation pipe 5 produced, makes inside high temperature discharge through heat dissipation groove 15.

Wherein, the heat conducting sheet 31 is fixedly sleeved with the outer surface of the heat dissipation conduit 5, and the layering holes 32 are fixedly sleeved with the outer surface of the metal shielding layer 41.

Wherein, the subassembly 2 that fills includes silica gel cover 21, and the quantity of silica gel cover 21 is three, and the inside activity of three silica gel cover 21 has cup jointed PP and has filled rope 22, sets up silica gel cover 21, makes PP fill rope 22 when filling the inside of silica gel cover 21, resets through the effect of silica gel cover 21, improves elasticity and the compliance of cable.

Wherein, cable base member 1 includes outer sheath 11, outer surface fixing of outer sheath 11 cup joints conducting layer 12, scarf joint groove 13 has been seted up to the side of conducting layer 12, scarf joint groove 13's quantity is a plurality of, a plurality of scarf joint groove 13 evenly sets up in conducting layer 12's inside, conducting layer 12's external surface fixing cup joints insulating layer 14, insulating layer 14's surface has seted up heat dissipation groove 15, set up scarf joint groove 13, scarf joint groove 13's material is SiC-BN, it has flexibility, electric insulation, high heat conduction material, heat conduction through heat conduction lamellar body 31, and layering hole 32's quantity is a plurality of, thereby be convenient for carry out the heat conduction to scarf joint groove 13, set up heat dissipation groove 15, make the heat of conduction in the scarf joint groove 13, the effect through heat dissipation groove 15 discharges.

Wherein, the silica gel cover 21 is movably sleeved in the limit groove 34.

Wherein, the heat conducting sheet body 31 is fixedly installed in the outer protecting layer 11, the heat dissipation fins 33 are embedded in the embedded groove 13, and a plurality of heat conducting sheet bodies 31 are distributed in the outer protecting layer 11.

The working process of the utility model is as follows:

through setting up conducting layer 12 and heat conduction lamellar body 31, the quantity of heat conduction lamellar body 31 is a plurality of, and evenly distributed is in the inside of cable respectively, makes cable accessible crooked while, supports the cable through heat conduction lamellar body 31, avoids the cable to receive when striking, produces the damage between the wire core 4, avoids simultaneously between heat dissipation pipe 5 and the wire core 4 to collide and produce wearing and tearing, influences cable life;

when the inside of cable produces high temperature, the high temperature that wire core 4 self produced carries out the heat conduction through heat conduction lamellar body 31, make the heat that produces heat conduction to the surface of heat dissipation pipe 5 and the inside of conducting layer 12 respectively, the heat of heat conduction lamellar body 31 self passes through heat dissipation wing 33 and heat transfer to the inside of scarf joint groove 13, make conducting layer 12 carry out the heat conduction, and discharge through heat dissipation groove 15, when radiating through heat dissipation pipe 5, utilize the heat dissipation groove 15 of surface to discharge, inside and outside heat dissipation simultaneously, the radiating effect is more ideal, thereby make the cable more high temperature resistant, improve the high temperature resistant effect of cable.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (8)

1. The utility model provides a new energy automobile fills high temperature resistant cable for discharge, includes cable base member (1), its characterized in that, the inside fixed mounting of cable base member (1) has filling component (2), the inside fixed mounting of cable base member (1) has heat transfer piece (3), the quantity of heat transfer piece (3) is a plurality of, the inside side fixed mounting of heat transfer piece (3) has conductor core (4), the inside fixed mounting of heat transfer piece (3) has heat dissipation pipe (5).

2. The high-temperature-resistant cable for charging and discharging of new energy automobiles according to claim 1, wherein the number of the wire cores (4) is three, the three wire cores (4) comprise metal shielding layers (41), an insulating shielding layer (42) is fixedly sleeved in the metal shielding layers (41), an insulating layer (43) is fixedly sleeved in the insulating shielding layers (42), a conductor shielding layer (44) is fixedly sleeved in the insulating layer (43), and a metal wire (45) is fixedly sleeved in the conductor shielding layer (44).

3. The high-temperature-resistant cable for charging and discharging of a new energy automobile according to claim 1, wherein the heat transfer sheet (3) comprises a plurality of heat transfer sheets (31), heat dissipation fins (33) are arranged on the side edges of the heat transfer sheets (31), layering holes (32) are arranged in the heat transfer sheets (31), and limiting grooves (34) are formed in the outer sides of the heat transfer sheets (31).

4. The high-temperature-resistant cable for charging and discharging of new energy automobiles according to claim 3, wherein the heat conducting sheet body (31) is fixedly sleeved on the outer surface of the heat radiating conduit (5), and the layering holes (32) are fixedly sleeved on the outer surface of the metal shielding layer (41).

5. The high-temperature-resistant cable for charging and discharging of the new energy automobile according to claim 1, wherein the filling assembly (2) comprises three silica gel sleeves (21), and PP filling ropes (22) are movably sleeved in the three silica gel sleeves (21).

6. The high-temperature-resistant cable for charging and discharging of new energy automobiles according to claim 1, characterized in that the cable matrix (1) comprises an outer protective layer (11), a conductive layer (12) is fixedly sleeved on the outer surface of the outer protective layer (11), embedding grooves (13) are formed in the side edges of the conductive layer (12), the embedding grooves (13) are formed in a plurality, the embedding grooves (13) are uniformly formed in the conductive layer (12), a heat insulation layer (14) is fixedly sleeved on the outer surface of the conductive layer (12), and a heat dissipation groove (15) is formed in the outer surface of the heat insulation layer (14).

7. The high-temperature-resistant cable for charging and discharging of the new energy automobile according to claim 5, wherein the silica gel sleeve (21) is movably sleeved in the limiting groove (34).

8. The high-temperature-resistant cable for charging and discharging of new energy automobiles according to claim 3, wherein the heat conducting sheet bodies (31) are fixedly installed inside the outer protection layer (11), the heat radiating fins (33) are embedded and installed inside the embedded grooves (13), and a plurality of heat conducting sheet bodies (31) are distributed inside the outer protection layer (11) in a distributed mode.