CN214476474U - High-voltage shielding flexible cable - Google Patents
High-voltage shielding flexible cable Download PDFInfo
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- CN214476474U CN214476474U CN202022569149.5U CN202022569149U CN214476474U CN 214476474 U CN214476474 U CN 214476474U CN 202022569149 U CN202022569149 U CN 202022569149U CN 214476474 U CN214476474 U CN 214476474U
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Abstract
The utility model provides a high-voltage shielding flexible cable, it includes: the power wire core group, the wrapping tape and the shielding layer are arranged on the base; the power wire core group includes: two or three parallel arrangement's power sinle silks, arbitrary power sinle silk includes: the power core conductor and the power core insulating layer of cladding on the power core conductor, two or three power core form the power core group by twining the cluster around the band winding, and the shielding layer cladding is in around on the band to form the flat shape that suits with each power core of parallel arrangement, shielding layer are for weaving shielding or chain armor shielding. The utility model discloses use the structure of weaving shielding or chain armor total shielding after two/three assemblies, from bending property good, reduce the pencil and put in order the car assembly degree of difficulty, and the same specification is compared and all has obvious decline in single core shielding sheath cable from weight and use cost, more accords with new energy automobile lightweight, flat price development requirement.
Description
Technical Field
The utility model relates to a new energy automobile technical field especially relates to a high-voltage shielding flexible cable.
Background
At present, the design space of an automobile is more and more compact, and the wiring harness used for wiring in a whole automobile factory has less and less requirements on the complexity and the curvature of a path. On the other hand, the number of electric products in the vehicle is increased continuously, the lines for connecting the electric devices are complicated, and electromagnetic field interference exists between the lines, so that line signals are attenuated, and therefore the high-voltage line in the vehicle is usually laid by a single shielding outer sheath structure and a single aluminum pipe in a heat setting mode. However, the high voltage line having the above structure has a problem in that material is wasted, resulting in increased weight and consumption. Therefore, it is necessary to provide a further solution to the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-voltage shielding flexible cable to overcome the not enough that exists among the prior art.
In order to solve the technical problem, the technical scheme of the utility model is that:
a high voltage shielded flexible electrical cable, comprising: the power wire core group, the wrapping tape and the shielding layer are arranged on the base;
the power wire core group comprises: two or three parallel arrangement's power sinle silks, arbitrary power sinle silk includes: power sinle silk conductor and cladding in power sinle silk insulating layer on the power sinle silk conductor, two or three power sinle silks by form around the winding cluster power sinle silk group, the shielding layer cladding in around on the wrapping tape to form the flat shape that suits with each power sinle silk of parallel arrangement, the shielding layer is for weaving shielding or chain armor shielding.
As the utility model discloses a high voltage shielding flexible cable's improvement, power core conductor adopts copper, tinned copper or aluminium conductor, forms the silk footpath of power core conductor's conductor silk is 0.08 ~ 0.5 mm.
As the utility model discloses a high voltage shielding flexible cable's improvement, power sinle silk insulating layer is anti silicon rubber that tears.
As the utility model discloses a high pressure shielding flexible cable's improvement, when the shielding layer was for weaving the shielding, be protection type band or shielding type band around the band.
As the utility model discloses a high pressure shielding flexible cable's improvement, when the shielding layer was chain armor shielding, be protection type band around the band.
As the improvement of the high-voltage shielding flexible cable, the protection type band is a black band or a polyester band or a non-woven fabric or a low-smoke halogen-free band, and the covering rate of the protection type band is 10% -50%.
As the utility model discloses an improvement of high pressure shielding flexible cable, when weaving the shielding for the tinned copper wire weaving shielding, the silk footpath of weaving of tinned copper wire weaving shielding is 0.2 ~ 0.4mm, and weaving density is more than or equal to 90%, when chain armor shielding is the chain armor of aluminum alloy shielding, the chain armor of aluminum alloy takes thickness 0.3 ~ 0.6mm, bandwidth 9.5 ~ 24.0mm, the chain armor of aluminum alloy shielding is 0.1 ~ 0.3mm with the clearance around the band.
As the utility model discloses an improvement of high pressure shielding flexible cable, power core conductor comprises many conductor silks, and many conductor silks are according to the directional bundle of pitch of setting for and are around forming the strand, and per 3 strands are according to the directional bundle of pitch of setting for and form 1 stranded conductor, in per 7 stranded conductors, arrange in the middle of 1 stranded conductor, and 6 stranded conductors adopt the reverse transposition of 100 ~ 120 mm's pitch to make power core conductor around middle stranded conductor.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a minimum specification 0.08, five types or six types of flexible copper, tinned copper, aluminium conductor of elongation at break 10% are favorable to guaranteeing the flexibility of cable.
(2) The utility model discloses a platinum silicone rubber accords with and detects TVOC0.07 mu gC/g, benzene 0.05 mu g/g, toluene 0.05 mu g/g, xylol 0.06 mu g/g, and odor level 2 level's application standard as insulating, can be used to passenger train and car as a house internal connection line.
(3) The utility model discloses increase protection type band before the shielding, it is insulating effectively to protect weaving, chain armor shielding damage, greatly reduces interior line use risk of car, guarantees safe in utilizationly.
(4) The utility model discloses a high voltage flexible cable in chain armor shielding car solves the problem that can't produce five types of, six types of flexible structure conductors of flat shape at present. And the chain armor shielding can not only ensure the flexibility of wiring in the vehicle, but also can be conveniently laid due to the hardness of the material, thereby greatly reducing the number of fixing clamps used by the wiring flexible cable in the vehicle. In addition, the total shielding of the multiple wires is reduced, the heat conduction of the metal is fast, the heat can be effectively dissipated, and the temperature is reduced, so that the intercepting flow can be improved by more than 5% compared with the same section.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic radial cross-sectional view of an embodiment of the high-voltage shielded flexible cable of the present invention.
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.
The utility model provides a shield flexible cable with high pressure suitable for new energy automobile uses the structure of woven shield or chain armor total shielding after two/three assemblies, and from bending property is good, reduces pencil and whole car assembly degree of difficulty, and the same specification is compared and all has obvious decline in single core shielding sheath cable from weight and use cost, more accords with new energy automobile lightweight, the flat price development requirement.
As shown in fig. 1, an embodiment of the present invention provides a high-voltage shielded flexible cable, which includes: power wire core group 1, around band 2 and shielding layer 3.
The power cord group 1 includes: two or three parallel arrangement's power sinle silks, arbitrary power sinle silk includes: the power cable core conductor 11 and a power cable core insulating layer 12 coated on the power cable core conductor 11.
In the embodiment, five or six types of flexible copper, tinned copper and aluminum conductors with the minimum specification of 0.08 and the elongation at break of 10% are adopted, so that the flexibility of the cable is ensured. In one embodiment, the power core conductor 11 is made of copper, tin-plated copper or aluminum conductor, and the diameter of the conductor wire forming the power core conductor 11 is 0.08-0.5 mm.
Structurally, the power core conductor 11 is composed of a plurality of conductor wires. In order to achieve better bundling and ensure the flexibility of the cable, in particular, a plurality of conductor wires are directionally bundled and wound into a strand according to a set pitch. And every 3 strands are directionally bundled and wound into 1 stranded wire according to a set pitch, 1 stranded wire is arranged in the middle of every 7 stranded wires, and 6 stranded wires are reversely stranded around the middle stranded wire by adopting a pitch of 100-120 mm to form the power core conductor 11.
In the embodiment, the platinum silicon rubber is used as insulation, meets the application standard of detection, and can be used for connecting wires inside passenger cars and motor homes. In one embodiment, the power core insulating layer 12 is tear-resistant silicone rubber, the tear-resistant silicone rubber is a platinum vulcanizing agent, and the addition ratio of the platinum vulcanizing agent is 0.5% -1%.
Increase protection type band before the shielding, effective protection is woven, chain armor shielding damage is insulating, greatly reduces interior line risk of use of car, guarantees safe in utilizationly. Specifically, two or three power wire cores are wound and bundled by a wrapping tape 2 to form a power wire core group 1. According to the 3 types of different shielding layers, the wrapping tape 2 is a protective tape or a shielding tape. When the wrapping tape 2 is a protective tape, the protective tape is a black tape, a polyester tape, a non-woven fabric or a low-smoke halogen-free tape, and the covering rate of the protective tape is 10% -50%. And the lapping rate is lapping overlapping width/lapping bandwidth 100%.
The shielding layer 3 of this embodiment can also guarantee the interior wiring compliance when realizing the shielding function, can conveniently lay because of the hardness of material itself again, can reduce the fixation clamp that interior wiring flexible cable used in a large number.
Specifically, the shielding layer 3 is coated on the wrapping tape 2 and forms a flat shape adapted to each power wire core arranged in parallel, and the shielding layer 3 is a braided shield or a linkage armored shield. When the shielding layer 3 is a braided shield, the wrapping tape 2 is a protective tape or a shielding tape. When the shielding layer 3 is interlocked armor shielding, a protective wrapping tape is needed to be adopted for the wrapping tape 2. Furthermore, the flexibility of the cable is related to factors such as the wire diameter, the weaving density, the thickness and the width of the armor tape, and in the embodiment, when the weaving shield is a tinned copper wire weaving shield, the weaving wire diameter of the tinned copper wire weaving shield is 0.2-0.4 mm, and the weaving density is more than or equal to 90%. When the chain armor shielding is aluminum alloy chain armor shielding, the thickness of the aluminum alloy chain armor belt is 0.3-0.6 mm, and the belt width is 9.5-24.0 mm. Simultaneously, the chain armor shielding of aluminum alloy still has certain clearance with around band 2, and this clearance further guarantees interior wiring compliance of car. Preferably, the clearance between the aluminum alloy interlocking armor shield and the wrapping tape 2 is 0.1-0.3 mm.
To above-mentioned high voltage shielding flexible cable, the utility model discloses another embodiment still provides an as above high voltage shielding flexible cable's production technology, and this production technology includes:
s1, manufacturing power wire cores, and arranging two or three power wire cores in parallel;
s2, winding and wrapping the wrapping tape on the power wire cores arranged side by side, and bundling to form a power wire core group;
and S3, manufacturing a shielding layer covering the wrapping tape.
Step S1 specifically includes: the method comprises the steps of manufacturing a power wire core conductor and manufacturing a power wire core insulating layer. Wherein, preparation power core conductor includes: the power cable core conductor is manufactured by adopting conductor wires with the wire diameter of 0.08-0.5 mm, directionally bundling the conductor wires into 21 folded wires according to the pitch of 30-35 mm, simultaneously directionally bundling and winding every 3 folded wires into 1 twisted wire according to the pitch of 60-65 mm, arranging 1 twisted wire in the middle of every 7 twisted wires, and reversely twisting 6 twisted wires around the middle twisted wire by adopting the pitch of 100-120 mm.
The manufacturing of the power wire core insulating layer comprises the following steps: and (3) cold extruding the power wire core insulating layer outside the manufactured power wire core conductor by adopting an extruding rubber machine, wherein the extrusion temperature is not more than 30 ℃, and the vulcanization is carried out by adopting saturated steam, and the vulcanization pressure is 6-10 bar.
The manufacturing method of the shielding layer is different according to the different shielding layer structures. Specifically, when the braided shield is a tinned copper wire braided shield, the braided shield is manufactured according to the following steps: selecting a tinned copper wire with the wire diameter of 0.2-0.4 mm, and weaving by a 32-spindle weaving machine to form the tinned copper wire woven shield according to the weaving density of more than or equal to 90% and the weaving angle of 45-60 degrees.
When the shielding layer is an aluminum alloy interlocking armor shielding, the shielding layer is manufactured according to the following steps: selecting an aluminum alloy interlocking armor belt with the thickness of 0.3-0.6 mm and the bandwidth of 9.5-24.0 mm, performing die-pressing forming on the aluminum alloy interlocking armor belt in a flat die-pressing mode under the action of homogenizing tension of a guide wheel, and increasing a pressing wheel at a position 5-10 cm away from a forming position to fix the armor position after forming.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A high-voltage shielded flexible cable, characterized in that it comprises: the power wire core group, the wrapping tape and the shielding layer are arranged on the base;
the power wire core group comprises: two or three parallel arrangement's power sinle silks, arbitrary power sinle silk includes: the power cable core group comprises power cable core conductors and power cable core insulating layers coated on the power cable core conductors, wherein the two or three power cable cores are wound and bunched by the wrapping tape to form the power cable core group;
the power core conductor is composed of a plurality of conductor wires, the plurality of conductor wires are directionally bundled and wound according to a set pitch to form a folded yarn, 1 stranded wire is formed by every 3 folded yarns in a directional bundling and winding mode according to the set pitch, 1 stranded wire is arranged in the middle of every 7 stranded wires, and 6 stranded wires are reversely stranded around the middle stranded wire by adopting a pitch of 100-120 mm to form the power core conductor;
the shielding layer is coated on the wrapping tape and forms a flat shape which is adaptive to each power wire core arranged in parallel, and the shielding layer is a braided shield or a linkage armored shield;
when the woven shield is a tinned copper wire woven shield, the diameter of a woven wire of the tinned copper wire woven shield is 0.2-0.4 mm, the weaving density is not less than 90%, when the chain armored shield is an aluminum alloy chain armored shield, the thickness of an aluminum alloy chain armored belt is 0.3-0.6 mm, the bandwidth is 9.5-24.0 mm, and the gap between the aluminum alloy chain armored shield and the wrapped belt is 0.1-0.3 mm.
2. The high-voltage shielding flexible cable according to claim 1, wherein the power core conductor is a copper, tin-plated copper or aluminum conductor, and the diameter of a conductor wire forming the power core conductor is 0.08-0.5 mm.
3. The high voltage shielded flexible cable of claim 1, wherein said power core insulating layer is a tear-resistant silicone rubber.
4. The high-voltage shielding flexible cable according to claim 1, wherein when the shielding layer is a braided shield, the wrapping tape is a protective tape or a shielding tape.
5. The high-voltage shielding flexible cable according to claim 1, wherein when the shielding layer is an interlocking armor shield, the wrapping tape is a protective tape.
6. The high-voltage shielding flexible cable according to claim 4 or 5, wherein the protective tape is a black tape, a polyester tape, a non-woven fabric or a low-smoke halogen-free tape, and the covering rate of the protective tape is 10-50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022569149.5U CN214476474U (en) | 2020-11-09 | 2020-11-09 | High-voltage shielding flexible cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022569149.5U CN214476474U (en) | 2020-11-09 | 2020-11-09 | High-voltage shielding flexible cable |
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| CN214476474U true CN214476474U (en) | 2021-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382434A (en) * | 2020-11-09 | 2021-02-19 | 远东电缆有限公司 | High-voltage shielding flexible cable and production process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382434A (en) * | 2020-11-09 | 2021-02-19 | 远东电缆有限公司 | High-voltage shielding flexible cable and production process thereof |
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