CN211957189U - Fireproof cable for new energy automobile - Google Patents
Fireproof cable for new energy automobile Download PDFInfo
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- CN211957189U CN211957189U CN202020833555.5U CN202020833555U CN211957189U CN 211957189 U CN211957189 U CN 211957189U CN 202020833555 U CN202020833555 U CN 202020833555U CN 211957189 U CN211957189 U CN 211957189U
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Abstract
The utility model relates to a fireproof cable for new energy automobile, including the outer jacket with be located the intraformational inner sheath of outer jacket, polyvinyl chloride insulating layer overcoat has at a distance from the oxygen layer, separates the oxygen layer overcoat and has the shielding layer, and the shielding layer overcoat has the heat dissipation layer, and the heat dissipation level is in the enclosure space, and the enclosure space intussuseption is filled with heat conduction silicon rubber filling layer, and one side that the heat-resistant layer is close to the outer jacket is equipped with the axial heat dissipation through-hole of a plurality of circumference equipartitions. The utility model discloses backing sheet, support arch, protection piece and interior sheath connect into a protection casing, prevent that the cable core from receiving the extrusion, and heat conduction silicon rubber filling layer has certain buffer capacity in heat conduction, cushions the external force, protects the cable better. In addition, the air vent, the heat dissipation layer, the heat dissipation through hole and the heat conduction silicon rubber filling layer on the inner protection layer work in a matched mode, heat generated inside the cable is effectively dissipated, and the problems that due to the fact that the cable is not timely cooled, the temperature is too high, people are scalded due to frequent overheating and even spontaneous combustion is achieved are solved.
Description
Technical Field
The utility model relates to a cable field especially relates to a fireproof cable for new energy automobile.
Background
The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source, integrates advanced technologies in the aspects of power control and driving of the automobile, and is advanced in technical principle, new in technology and new in structure.
And new energy automobile usually uses the electric motor car that charges with the cable as the main, can produce a large amount of heats during the cable uses, and the cable will reduce along with the rising of temperature, and the extravagant efficiency forms more heats to further lead to efficiency to reduce, finally lead to vicious circle, if not dispel the heat in time, will appear the temperature too high, frequently take place the condition that the overheat scalds people even spontaneous combustion. In addition, when the cable is squeezed by an external force, the conductor core wire is necessarily squeezed, so that the power transmission quality is affected.
Disclosure of Invention
The utility model discloses aim at solving prior art not enough, and provide a fireproof cable for new energy automobile.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a fireproof cable for a new energy automobile comprises an outer protection layer and an inner protection layer positioned in the outer protection layer, wherein the inner protection layer is hollow and convenient for gas circulation, a plurality of vent holes are formed in the inner protection layer, a plurality of supporting bulges are uniformly distributed on the inner side of the outer protection layer in a circumferential manner, a protection block is connected between every two adjacent supporting bulges, the outer side of the protection block is attached to the outer protection layer, one side, close to the inner protection layer, of the protection block is connected with a supporting sheet, the other side of the supporting sheet is connected with the inner protection layer, the two adjacent supporting sheets, the two adjacent supporting bulges, the protection block and the inner protection layer are connected into a closed space which is called a closed space, a cable core is arranged in the closed space and comprises a copper core and a polyvinyl chloride insulating layer, the copper core is positioned in the polyvinyl chloride insulating layer, an oxygen isolating layer is sleeved outside the, and the space is filled with a heat-conducting silicon rubber filling layer, the outer protective layer is sleeved with a heat-resistant layer, one side of the heat-resistant layer, which is close to the outer protective layer, is provided with a plurality of axial heat-radiating through holes which are uniformly distributed circumferentially, the heat-resistant layer is sleeved with a fireproof layer, and the fireproof layer is sleeved with a polyurethane sheath.
The outer protective layer and the inner protective layer are polytetrafluoroethylene layers.
The outer protective layer is provided with a plurality of heat dissipation holes.
The outer side of the heat dissipation layer is provided with a plurality of heat dissipation grooves which are uniformly distributed on the circumference.
The shielding layer is longitudinally wrapped by an aluminum-plastic composite belt.
The heat dissipation layer is made of copper sheets.
The fire-proof layer comprises two layers, wherein the first layer is a mica tape layer, the second layer is a glass fiber layer, and the mica tape layer is positioned on the outer side of the glass fiber layer.
The utility model has the advantages that: the utility model discloses two adjacent backing sheets, two adjacent support arch, protection piece and interior sheath connect into a confined space, and the cable core is located this confined space, and backing sheet, support arch, protection piece and interior sheath connect into a protection casing, prevent that the cable core from receiving the extrusion, and heat conduction silicon rubber filling layer has certain buffer capacity in heat conduction, cushions the external force, protects the cable better. In addition, air vent, heat dissipation layer, heat dissipation through-hole and heat conduction silicon rubber filling layer cooperation work on the interior sheath have dispelled the inside heat that produces of cable effectively, have solved because of the cable heat dissipation untimely problem that leads to the high temperature, frequent emergence is overheated to scald people even spontaneous combustion, and the oxygen layer that separates can completely cut off oxygen, reduces the combustion condition, prevents that the cable from because of the overheated spontaneous combustion of temperature.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-an outer protective layer; 2-inner protecting layer; 3-supporting the projection; 4-a protection block; 5-a support sheet; 6-copper core; 7-a polyvinyl chloride insulating layer; 8-oxygen barrier layer; 9-a shielding layer; 10-a heat dissipation layer; 11-a thermally conductive silicone rubber filling layer; 12-a heat resistant layer; 13-heat dissipating through holes; 14-a fire barrier layer; 15-a polyurethane sheath;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in figure 1, a new energy automobile fireproof cable comprises an outer protection layer 1 and an inner protection layer 2 positioned in the outer protection layer 1, wherein the outer protection layer 1 and the inner protection layer 2 are polytetrafluoroethylene layers, the polytetrafluoroethylene layers have the characteristics of high temperature resistance and fire resistance, the inner protection layer 2 is hollow inside and convenient for gas circulation, a plurality of vent holes are formed in the inner protection layer 2, a plurality of radiating holes are formed in the outer protection layer 1, the heat dissipation of the utility model is facilitated, a plurality of supporting bulges 3 which are uniformly distributed on the circumference are arranged on the inner side of the outer protection layer 1, a protection block 4 is connected between two adjacent supporting bulges 3, the outer side of the protection block 4 is attached to the outer protection layer 1, a supporting sheet 5 is connected to one side, close to the inner protection layer 2, of the protection block 4, the other side of the supporting sheet 5 is connected with the inner protection layer 2, two adjacent supporting sheets, the cable core is arranged in the closed space, the two adjacent supporting sheets 5, the two adjacent supporting bulges 3, the protecting block 4 and the inner protecting layer 2 are connected into a closed space, the cable core is positioned in the closed space, and the supporting sheets 5, the supporting bulges 3, the protecting block 4 and the inner protecting layer 2 are connected into a protecting shell to prevent the cable core from being extruded.
The cable core includes copper core 6 and polyvinyl chloride insulating layer 7, and copper core 6 is located polyvinyl chloride insulating layer 7, and polyvinyl chloride insulating layer 7 overcoat has and separates oxygen layer 8, separates oxygen layer 8 and can completely cut off oxygen, reduces the burning condition, prevents that the cable from because of the overheated spontaneous combustion of temperature. It has shielding layer 9 to separate 8 overcoat on oxygen layer, shielding layer 9 adopts the aluminium-plastic composite tape to indulge the package and forms, shielding layer 9 overcoat has heat dissipation layer 10, heat dissipation layer 10 is made for the copper sheet, the outside on heat dissipation layer 10 is equipped with the heat dissipation recess of a plurality of circumference equipartitions, heat dissipation layer 10 is located the enclosure space, and the enclosure space intussuseption is filled with heat conduction silicon rubber filling layer 11, heat conduction silicon rubber filling layer 11 has certain buffer capacity in the heat conduction, cushion the external force, protect the cable better.
The outer jacket of the outer protective layer 1 is provided with a heat-resistant layer 12, one side of the heat-resistant layer 12, which is close to the outer jacket 1, is provided with a plurality of axial heat dissipation through holes 13 which are uniformly distributed circumferentially, and the air holes, the heat dissipation layer 10, the heat dissipation through holes 13 and the heat conduction silicon rubber filling layer 11 on the inner protective layer 2 are matched to work, so that heat generated inside the cable is effectively dissipated, and the problems that the temperature is too high, and people are frequently overheated and even spontaneous combustion is caused due to untimely heat dissipation of the. The fire-proof layer 14 is sleeved outside the heat-resistant layer 12, the fire-proof layer 14 comprises two layers, the first layer is a mica tape layer, the second layer is a glass fiber layer, the mica tape layer is located on the outer side of the glass fiber layer, and the fire-proof layer 14 is sleeved with a polyurethane sheath 15.
The utility model discloses both ends all match there is the head that corresponds, are equipped with on the head respectively with the through-hole of the interior sheath 2 one-to-one of heat dissipation through-hole 13 and cable core, are favorable to the utility model discloses inside heat effluvium, heat-resistant layer 12 prevents that outside heat from entering into the utility model discloses inside.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a fire prevention cable for new energy automobile, which is characterized in that, including outer sheath (1) and interior sheath (2) that is located outer sheath (1), inside cavity of interior sheath (2), be convenient for the gas circulation, be equipped with a plurality of air vents on interior sheath (2), the inboard of outer sheath (1) is equipped with the support arch (3) of a plurality of circumference equipartitions, it has protection piece (4) to link between two adjacent support arch (3), the outside and the outer sheath (1) laminating of protection piece (4), one side that protection piece (4) are close to interior sheath (2) links there is backing sheet (5), the opposite side and the interior sheath (2) of backing sheet (5) are connected, two adjacent backing sheet (5), two adjacent support arch (3), protection piece (4) and interior sheath (2) connect into a confined space, be called the enclosure space, be equipped with the cable core in the enclosure space, the cable core includes copper core (6) and polyvinyl chloride insulating layer (7), copper core (6) are located polyvinyl chloride insulating layer (7), polyvinyl chloride insulating layer (7) overcoat has at a distance from oxygen layer (8), it has shielding layer (9) to separate oxygen layer (8) overcoat, shielding layer (9) overcoat has heat dissipation layer (10), heat dissipation layer (10) are located the enclosure space, and the enclosure space intussuseption is filled with heat conduction silicon rubber filling layer (11), outer jacket (1) overcoat has heat-resistant layer (12), one side that heat-resistant layer (12) are close to outer jacket (1) is equipped with axial heat dissipation through-hole (13) of a plurality of circumference equipartitions, heat-resistant layer (12) overcoat has flame retardant coating (14), flame retardant coating (14) overcoat has polyurethane sheath (15).
2. The fireproof cable for the new energy automobile according to claim 1, wherein the outer sheath (1) and the inner sheath (2) are both tetrafluoroethylene layers.
3. The fireproof cable for the new energy automobile according to claim 2, wherein the outer sheath (1) is provided with a plurality of heat dissipation holes.
4. The fireproof cable for the new energy automobile as claimed in claim 1, wherein the heat dissipation layer (10) is provided with a plurality of heat dissipation grooves uniformly distributed on the circumference on the outer side.
5. The fireproof cable for the new energy automobile as claimed in claim 1, wherein the shielding layer (9) is formed by longitudinally wrapping an aluminum plastic composite tape.
6. The fireproof cable for the new energy automobile as claimed in claim 1, wherein the heat dissipation layer (10) is made of copper sheet.
7. The fireproof cable for new energy vehicles as claimed in claim 1, wherein the fireproof layer (14) comprises two layers, the first layer is a mica tape layer, the second layer is a glass fiber layer, and the mica tape layer is located outside the glass fiber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020833555.5U CN211957189U (en) | 2020-05-19 | 2020-05-19 | Fireproof cable for new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020833555.5U CN211957189U (en) | 2020-05-19 | 2020-05-19 | Fireproof cable for new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211957189U true CN211957189U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020833555.5U Active CN211957189U (en) | 2020-05-19 | 2020-05-19 | Fireproof cable for new energy automobile |
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| Country | Link |
|---|---|
| CN (1) | CN211957189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782272A (en) * | 2021-09-29 | 2021-12-10 | 安徽顺信线缆有限公司 | Heat dissipation type cable for new energy automobile |
-
2020
- 2020-05-19 CN CN202020833555.5U patent/CN211957189U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782272A (en) * | 2021-09-29 | 2021-12-10 | 安徽顺信线缆有限公司 | Heat dissipation type cable for new energy automobile |
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