CN213988407U - Winding aluminum foil shielding tape for shielding electric wire - Google Patents
Winding aluminum foil shielding tape for shielding electric wire Download PDFInfo
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- CN213988407U CN213988407U CN202023081440.4U CN202023081440U CN213988407U CN 213988407 U CN213988407 U CN 213988407U CN 202023081440 U CN202023081440 U CN 202023081440U CN 213988407 U CN213988407 U CN 213988407U
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Abstract
The utility model discloses a coiling aluminium foil shielding area for shielded wire, shielded wire is including leading electric core and insulating protective sheath, coiling aluminium foil shielding area coiling is in the periphery of leading electric core, and the shielding layer periphery that coiling aluminium foil shielding area formed has the protection rete around, insulating protective sheath is located protection rete periphery, coiling aluminium foil shielding area is including compound integrative aluminium foil layer and PET layer mutually, be equipped with the hot melt adhesive dot matrix coating on aluminium foil layer and the PET layer respectively, aluminium foil layer one side bonds integrative mutually with leading electric core, the PET layer bonds integrative mutually with the protection rete. The utility model discloses can realize two-sided hot melt adhesion, adopt the hot melt adhesive dot matrix can make between aluminium foil layer and the electrically conductive core and the PET layer and the protection rete between bond more evenly firm, improved shielding electric wire structural stability. The hot melt adhesive point design is adopted, the extension support of the aluminum foil layer can be realized, and the leveling in the heat bonding process realizes the extension recovery of the aluminum foil layer, so that the cracking probability of the aluminum foil layer is reduced, and the better shielding effect is maintained.
Description
Technical Field
The utility model relates to a coiling aluminium foil shielding area for shielded wire belongs to the technical field in aluminium foil shielding area.
Background
Shielded electrical wires are through-wire cables that are cables that transmit telephone, telegraph, facsimile documents, television and radio programs, data and other electrical signals. Is formed by twisting more than one pair of mutually insulated wires. Compared with an overhead open wire, the communication cable has the advantages of large communication capacity, high transmission stability, good confidentiality, less influence of natural conditions and external interference and the like.
The traditional shielding electric wire comprises an insulation core, a braided shielding net layer surrounding the insulation core and a peripheral insulation protective layer, wherein the braided shielding net layer needs to be dipped with tin and copper, the cost is high, the wire diameter specification is large, and the manufacturing process is complex.
To this situation, the shielding electric wire that replaces traditional braided shielding net layer with the barrier film has appeared among the prior art, can reduce wire cost, line footpath, improve shielding effect, and traditional barrier film adopts the mode of whole face coating hot melt adhesive, and the hot melt adhesive has the extravagant material of great ground thickness on the one hand, and on the other hand produces melting deformation easily under the heat effect condition, influences the structural stability of electric wire. The conventional extruded insulation covering also has a thermal influence on the PET layer and also on the structural stability of the wire.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough of above-mentioned prior art, to the unreliable and extravagant problem of material of the two-sided adhesive structure of traditional shielding film, propose the coiling aluminium foil shielding area that is used for shielding electric wire.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
a coiling aluminium foil shielding area for shielding electric wire, shielding electric wire includes electrically conductive core and insulating protective sheath, coiling aluminium foil shielding area coiling is in the periphery of electrically conductive core to the shielding layer periphery that coiling aluminium foil shielding area formed has the protection rete of coiling, insulating protective sheath is located protection rete periphery,
coiling aluminium foil shielding area is including compound integrative aluminium foil layer and PET layer mutually, the aluminium foil layer with be equipped with the hot melt adhesive dot matrix of matrix coating on the PET layer respectively, aluminium foil layer one side with electrically conductive core bonds mutually integratively, the PET layer with the protection rete bonds mutually integratively.
Preferably, the hot melt adhesive dot matrix comprises a plurality of rhombic hot melt adhesive areas formed by intersecting gap grooves.
Preferably, raised hot melt adhesive points are arranged in any of the rhombic hot melt adhesive areas.
The beneficial effects of the utility model are mainly embodied in that:
1. can realize two-sided hot melt bonding, adopt the hot melt adhesive dot matrix can make between aluminium foil layer and the electrically conductive core and the bonding between PET layer and the protection film layer more even firm, improved shielded wire's structural stability.
2. The hot melt adhesive point design is adopted, the extension support of the aluminum foil layer can be realized, and the leveling in the heat bonding process realizes the extension recovery of the aluminum foil layer, so that the cracking probability of the aluminum foil layer is reduced, and the better shielding effect is maintained.
Drawings
FIG. 1 is a schematic structural diagram of a hot-melt adhesive dot matrix according to the present invention.
FIG. 2 is a schematic structural diagram of a preferred embodiment of the hot melt adhesive dot matrix of the present invention.
Fig. 3 is a schematic structural view of the shielded electric wire according to the present invention.
Detailed Description
The utility model provides a coiling aluminium foil shielding area for shielded wire. The technical solution of the present invention will be described in detail below with reference to the accompanying drawings so as to be easier to understand and grasp.
A coiling aluminium foil shielding area for shielded wire, as shown in fig. 1-3, shielded wire includes electrically conductive core 1 and insulating protective sheath 2, and coiling aluminium foil shielding area 3 coiling is in electrically conductive core 1's periphery to the shielding layer periphery that coiling aluminium foil shielding area 3 formed has been twined and has been had protection rete 4, and insulating protective sheath 2 is located protection rete 4 periphery.
Specifically, the conventional winding aluminum foil shielding tape 3 adopts a mode of coating hot melt adhesive on the whole surfaces of two surfaces, the layers are adhered by coating the hot melt adhesive on the whole surfaces, and a local heat effect occurs in the use process of the shielding electric wire, namely, the hot melt adhesive coated on the whole surfaces is melted after local overheating, so that the structural deformation of the electric wire is caused.
In the present case, convolute aluminium foil shielding area is including compound integrative aluminium foil layer 31 and PET layer 32 mutually, is equipped with the hot melt adhesive dot matrix 5 of matrix coating on aluminium foil layer 31 and the PET layer 32 respectively, and aluminium foil layer one side bonds integratively with electrically conductive core mutually, and the PET layer bonds integratively with the protection rete mutually.
Specifically, the hot melt adhesive dot matrix 5 is adopted, so that hot bonding leveling after winding can be realized, the hot melt adhesive layer is more uniform and thinner, multi-point bonding is realized, and the aluminum foil layer and the conductive core 1 and the protective film layer 4 and the PET layer 32 have very reliable bonding stability.
When local heat is too big, these multipoint mode bonding portions have certain ground interval, avoid appearing coherent formula heat-conduction, satisfy certain anti layering effect of deformation, reduced the hot melt adhesive quantity simultaneously.
In one embodiment, as shown in FIG. 1, the hot melt adhesive dot matrix 5 comprises a plurality of diamond-shaped hot melt adhesive zones 6 formed by intersecting interstitial grooves. The distribution is regular and the coating is easy to be carried out by an anilox roller.
In a preferred embodiment, raised hot melt adhesive dots 7 are provided in any of the diamond-shaped hot melt adhesive zones.
Specifically, during the winding process of the wound aluminum foil shielding tape 3, there is a certain tension change, so the wound aluminum foil shielding tape 3 extends to a certain extent, and the hot melt adhesive expands to a certain extent during curing, so that the aluminum foil layer 31 is in an extended state after being cured, and is prone to cracking and the like.
Consequently, in the present case, be equipped with bellied hot melt adhesive point 7 in the arbitrary rhombus hot melt adhesive district on aluminium foil layer 31, being going on around rolling up the in-process, this hot melt adhesive point 7 can provide certain space of rolling up for aluminium foil layer 31 extends the support, and the thermocuring in-process, this hot melt adhesive point 7 can flatly flow and release and reply the space to certain ground, and aluminium foil layer 31 obtains extending the reply, and phenomenons such as difficult appearance fracture maintain better shielding effect.
In a preferred embodiment, raised hot melt adhesive dots are provided in any of the diamond-shaped hot melt adhesive regions of the PET layer 32.
It is clear that specifically speaking, protection film layer 4 is used for protecting the PET layer of coiling aluminium foil shielding area, thermal-insulated protection when can carrying out insulating protective sheath 2 extrusion moulding, play the effect that prevents PET layer thermal deformation, but protection film layer 4 hinders hot effect limited traditionally, in the present case, the hot melt adhesive part on PET layer 32 has the hot melt adhesive point, it can play certain ground clearance and hinders hot effect, in insulating protective sheath 2 hot extrusion process, the conduction heat of usable protection rete 4 carries out the melting of this hot melt adhesive point 7, can further protect the PET layer when satisfying the hot melt bonding demand, make bonding reliable stable between PET layer and the protection film layer 4 simultaneously.
Can discover through the above description, the utility model discloses a coiling aluminium foil shielding area for shielded wire can realize two-sided hot melt adhesion, adopts the hot melt adhesive dot matrix can make between aluminium foil layer and the electrically conductive core and the bonding between PET layer and the protection film more even firm, has improved shielded wire's structural stability. The hot melt adhesive point design is adopted, the extension support of the aluminum foil layer can be realized, and the leveling in the heat bonding process realizes the extension recovery of the aluminum foil layer, so that the cracking probability of the aluminum foil layer is reduced, and the better shielding effect is maintained.
The above technical solutions of the present invention have been fully described, and it should be noted that the present invention is not limited by the above description, and all technical solutions formed by equivalent transformation or equivalent transformation adopted by the spirit of the present invention in the aspects of structure, method or function by those of ordinary skill in the art all fall within the protection scope of the present invention.
Claims (3)
1. A coiling aluminium foil shielding area for shielded wire, shielded wire includes electrically conductive core and insulating protective sheath, coiling aluminium foil shielding area coiling is in the periphery of electrically conductive core, and the shielding layer periphery that coiling aluminium foil shielding area formed is around having the protection rete, insulating protective sheath is located protection rete periphery, its characterized in that:
coiling aluminium foil shielding area is including compound integrative aluminium foil layer and PET layer mutually, the aluminium foil layer with be equipped with the hot melt adhesive dot matrix of matrix coating on the PET layer respectively, aluminium foil layer one side with electrically conductive core bonds mutually integratively, the PET layer with the protection rete bonds mutually integratively.
2. The wound aluminum foil shielding tape for shielding electric wire according to claim 1, wherein:
the hot melt adhesive dot matrix comprises a plurality of rhombic hot melt adhesive areas formed by crossed clearance grooves.
3. The wound aluminum foil shielding tape for shielding electric wire as claimed in claim 2, wherein:
and raised hot melt adhesive points are arranged in any rhombic hot melt adhesive area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023081440.4U CN213988407U (en) | 2020-12-18 | 2020-12-18 | Winding aluminum foil shielding tape for shielding electric wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023081440.4U CN213988407U (en) | 2020-12-18 | 2020-12-18 | Winding aluminum foil shielding tape for shielding electric wire |
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| Publication Number | Publication Date |
|---|---|
| CN213988407U true CN213988407U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023081440.4U Active CN213988407U (en) | 2020-12-18 | 2020-12-18 | Winding aluminum foil shielding tape for shielding electric wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115029078A (en) * | 2022-08-10 | 2022-09-09 | 楚能新能源股份有限公司 | Novel anti-drop soft-package winding battery cell and rubberizing method |
-
2020
- 2020-12-18 CN CN202023081440.4U patent/CN213988407U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115029078A (en) * | 2022-08-10 | 2022-09-09 | 楚能新能源股份有限公司 | Novel anti-drop soft-package winding battery cell and rubberizing method |
| CN115029078B (en) * | 2022-08-10 | 2022-11-15 | 楚能新能源股份有限公司 | Anti-drop soft-package winding battery cell and rubberizing method |
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