CN215118344U - Three-core plastic power line - Google Patents
Three-core plastic power line Download PDFInfo
- Publication number
- CN215118344U CN215118344U CN202121307088.3U CN202121307088U CN215118344U CN 215118344 U CN215118344 U CN 215118344U CN 202121307088 U CN202121307088 U CN 202121307088U CN 215118344 U CN215118344 U CN 215118344U
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- Prior art keywords
- power cord
- layer
- core wire
- copper core
- core
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- 239000004033 plastic Substances 0.000 title claims abstract description 19
- 229920003023 plastic Polymers 0.000 title claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000000956 alloy Chemical group 0.000 claims abstract description 34
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 31
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 10
- 125000006850 spacer group Chemical group 0.000 claims abstract description 9
- 239000004576 sand Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 14
- 238000005260 corrosion Methods 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 5
- 230000003078 antioxidant effect Effects 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 5
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- -1 polypropylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 229920000459 Nitrile rubber Polymers 0.000 claims description 4
- 239000003755 preservative agent Substances 0.000 claims description 4
- 230000002335 preservative effect Effects 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009970 fire resistant effect Effects 0.000 abstract description 3
- 238000005253 cladding Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 62
- 238000000926 separation method Methods 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a three-core plastics power cord, concretely relates to power cord field, including power plug, power plug's one end is connected with the power cord body, the connection consumer of power cord body, the power cord body contains first copper core, second copper core, alloy core, filling layer, insulating layer, enhancement layer and anticorrosive wearing layer, anticorrosive wearing layer cladding in the enhancement layer surface, the surface of first copper core, second copper core and alloy core has all wrapped up the spacer sleeve, the equal annular array in spacer sleeve outward appearance is provided with a plurality of sand grip. A three-core plastic power cord, can reduce the production cost of manufacture of whole power cord to the aluminum alloy heart yearn is littleer for the copper core line, and then can reduce the weight of whole power cord, can also improve the fire-resistant ability and the mechanical strength of whole power cord, advances the security that improves the power cord and use.
Description
Technical Field
The utility model relates to a power cord field, in particular to three-core plastic power cord.
Background
The power line is a wire that transmits current. The usual way of current transfer is point-to-point transfer. The power line can be divided into an AC power line and a DC power line according to the purpose, generally, the AC power line is a wire rod passing through AC with higher voltage, and the wire rod needs to be unified standard due to higher voltage so as to obtain a safety certification party and can be formally produced. The DC line passes a direct current with a low voltage, so that the safety requirement is not strict as the AC line, but the countries still require uniform safety certification for safety.
The three-core power line of the existing household electrical appliance equipment generally comprises three same copper core wires and an outer insulating coating layer, and the three-core cable has the following defects: the fire resistance is not enough, the insulating coating layer of the outer layer of the power line is generally made of PVC material, and the fire resistance is difficult to meet the requirement; the overall strength of the power cord is insufficient; the three wires are the same copper core wires, the actual working condition of the ground wire is very few, the ground wire only plays a role when an electric appliance leaks electricity, and the ground wire is only temporarily conductive, so that the requirement on the conductivity of the ground wire is not high for a live wire and a zero line, and the same copper core wires are adopted to cause the waste of the ground wire.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a three-core plastic power cord which can effectively solve the problems of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a three-core plastic power cord comprises a power plug, one end of the power plug is connected with a power cord body, the power supply line body comprises a first copper core wire, a second copper core wire, an alloy core wire, a filling layer, an insulating layer, a reinforcing layer and an anti-corrosion wear-resistant layer, wherein the filling layer covers the first copper core wire, the second copper core wire and the alloy core wire in the middle of the filling layer, the first copper core wire, the second copper core wire and the alloy core wire are not contacted with each other, the insulating layer is coated on the outer surface of the filling layer, the reinforced layer covers the outer surface of the insulating layer, the anticorrosion wear-resistant layer covers the outer surface of the reinforced layer, the surface of first copper core line, second copper core line and alloy core line has all wrapped up the separation sleeve, the equal ring array in separation sleeve outward appearance is provided with a plurality of sand grip, and the sand grip with separation sleeve integrated into one piece.
Preferably, the power plug is a power-off protection three-phase plug, the first copper core wire, the second copper core wire and the alloy core wire are respectively electrically connected with three plug-in components of the power plug, and the alloy core wire is made of an aluminum alloy material.
Preferably, the insulating layer and the isolation sleeve are both made of pvc material.
Preferably, the reinforcing layer is a mesh-shaped middle layer made of glass fiber, and the upper surface and the lower surface of the mesh-shaped middle layer are both coated with 1-2mm of modified epoxy resin.
Preferably, the net structure of the net middle layer is an equilateral triangle structure.
Preferably, the anticorrosion wear-resistant layer is made of nitrile rubber mixed with a preservative, an antioxidant and a mica material, and the thickness of the anticorrosion wear-resistant layer is 2-3 mm.
Preferably, the filling material of the filling layer is a polypropylene mesh filling rope doped with glass fiber.
Preferably, the outer surfaces of the first copper core wire, the second copper core wire and the alloy core wire are all provided with silver plating layers.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses replace the ground wire material in traditional three-core power cord into the aluminum alloy heart yearn by the copper core to all be provided with the silvered film at the surface of first copper core, second copper core and alloy core, when can guaranteeing the conductivity of ground wire promptly, can also reduce the production cost of manufacture of whole power cord, and the aluminum alloy heart yearn is for the copper core, and its weight is littleer, and then can reduce the weight of whole power cord.
2. The anti-corrosion wear-resistant layer is arranged, so that the fire resistance of the whole power line can be improved, and the use safety of the power line is further improved;
3. the filling layer is arranged, so that the mechanical strength of the filling layer can be effectively improved, and the first copper core wire, the second copper core wire and the alloy core wire are well protected;
4. through being provided with the enhancement layer, reach the purpose that improves the mechanical strength of power cord, and then reach the purpose that improves the life of power cord.
Drawings
Fig. 1 is a sectional schematic view of a three-core plastic power cord of the present invention;
fig. 2 is a schematic structural view of a three-core plastic power cord of the present invention;
fig. 3 is a cross-sectional view of the three-core plastic power cord of the present invention.
In the figure: 1. a power line body; 2. a power plug; 3. an alloy core wire; 4. a first copper core wire; 5. a second copper core wire; 6. a filling layer; 7. an insulating layer; 8. a reinforcing layer; 9. an anti-corrosion wear-resistant layer; 10. an isolation sleeve; 11. and (4) raised strips.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, a three-core plastic power cord comprises a power plug 2, one end of the power plug 2 is connected with a power cord body 1, and an electric device for connecting the power cord body 1, wherein the power cord body 1 comprises a first copper core wire 4, a second copper core wire 5, an alloy core wire 3, a filling layer 6, an insulating layer 7, a reinforcing layer 8 and an anti-corrosion wear-resistant layer 9, the filling layer 6 covers the first copper core wire 4, the second copper core wire 5 and the alloy core wire 3 at the middle part thereof, the first copper core wire 4, the second copper core wire 5 and the alloy core wire 3 are not in contact with each other, the insulating layer 7 covers the outer surface of the filling layer 6, the reinforcing layer 8 covers the outer surface of the insulating layer 7, the anti-corrosion wear-resistant layer 9 covers the outer surface of the reinforcing layer 8, the outer surfaces of the first copper core wire 4, the second copper core wire 5 and the alloy core wire 3 are all covered with an isolation sleeve 10, the outer surface of the isolation sleeve 10 is provided with a plurality of raised strips 11 in an annular array, and sand grip 11 and spacer sleeve 10 integrated into one piece through being provided with a plurality of sand grip 11, can increase the area of contact between spacer sleeve 10 and the filling layer 6, and then improve the stability of being connected between first copper core wire 4, second copper core wire 5 and alloy core wire 3 and the filling layer 6, reach the purpose that improves the bulk strength of power cord.
The power plug 2 is a power-off protection three-phase plug, the first copper core wire 4, the second copper core wire 5 and the alloy core wire 3 are respectively electrically connected with three plug-in components of the power plug 2, and the alloy core wire 3 is made of an aluminum alloy material; first copper core wire 4, second copper core wire 5 and alloy core wire 3's surface all is provided with the silvered film, compares with traditional three-core power cord, the utility model discloses in, replace the ground wire material in traditional three-core power cord into the aluminum alloy core wire by the copper core wire to at first copper core wire 4, the surface of second copper core wire 5 and alloy core wire 3 all is provided with the silvered film, when can guarantee the conductive ability of ground wire promptly, can also reduce the production cost of manufacture of whole power cord, and the aluminum alloy core wire is for the copper core wire, and its weight is littleer, and then can reduce the weight of whole power cord.
Insulating layer 7 and spacer sleeve 10 are made by the pvc material, and the spacer sleeve 10 wraps completely in the electric wire surface, together with insulating layer 7 for whole wire all has good insulating ability, improves the security that the power cord used, prolongs its life.
In addition, in the utility model, the strengthening layer 8 is a reticular middle layer made of glass fiber, the upper surface and the lower surface of the reticular middle layer are both coated with 1-2mm modified epoxy resin, and the reticular structure of the reticular middle layer is an equilateral triangle structure; through be provided with netted middle level in enhancement layer 8, and netted middle level is made by glass fiber, and glass fiber is the inorganic non-metallic material of a performance excellence, and the advantage is that insulating nature is good, the heat resistance is strong, corrosion resistance is good, mechanical strength is high, and then can increase substantially whole enhancement layer 8 mechanical strength, and netted middle level's network structure is equilateral triangle structure, and it utilizes triangular stable structure, and then improves enhancement layer 8 mechanical strength, reaches the purpose that improves the life of power cord.
The anti-corrosion wear-resistant layer 9 is made by doping a preservative, an antioxidant and a mica material into nitrile rubber, the thickness of the anti-corrosion wear-resistant layer is 2-3mm, the preservative and the antioxidant are doped into the nitrile rubber to improve the anti-corrosion capability and the antioxidant capability of the whole wear-resistant layer 9, and the mica material, also called as a fire-resistant mica tape, is a fire-resistant insulating material and has excellent high-temperature resistance and combustion resistance, so that the fire resistance of the whole power line can be improved, and the use safety of the power line is further improved.
The filling material of the filling layer 6 is a polypropylene reticular filling rope doped with glass fiber, the polypropylene is a colorless, odorless, nontoxic and semitransparent solid substance and has chemical resistance, heat resistance, electrical insulation, high-strength mechanical property, good high-wear-resistance processing property and the like, the polypropylene is made into the reticular filling rope, after the glass fiber is doped, the mechanical strength of the filling layer can be effectively improved, and the first copper core wire 4, the second copper core wire 5 and the alloy core wire 3 are well protected.
To sum up, the utility model replaces the ground wire material in the traditional three-core power wire with the copper core wire into the aluminum alloy core wire, and the silver plating layers are arranged on the outer surfaces of the first copper core wire 4, the second copper core wire 5 and the alloy core wire 3, so that when the conductive capability of the ground wire can be ensured, the production cost of the whole power wire can be reduced, and the aluminum alloy core wire has smaller weight relative to the copper core wire, thereby reducing the weight of the whole power wire; the anticorrosion wear-resistant layer 9 is arranged, so that the fire resistance of the whole power line can be improved, and the use safety of the power line is further improved; the filling layer 6 is arranged, so that the mechanical strength of the filling layer can be effectively improved, and the first copper core wire 4, the second copper core wire 5 and the alloy core wire 3 are well protected; through being provided with enhancement layer 8, reach the purpose that improves the mechanical strength of power cord, and then reach the purpose that improves the life of power cord.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A three-core plastic power cord, includes power plug (2), its characterized in that: the power supply plug is characterized in that one end of the power supply plug (2) is connected with a power supply line body (1), the power supply line body (1) is connected with electric equipment, the electric equipment comprises a first copper core wire (4), a second copper core wire (5), an alloy core wire (3), a filling layer (6), an insulating layer (7), a reinforcing layer (8) and an anti-corrosion wear-resistant layer (9), the filling layer (6) covers the first copper core wire (4), the second copper core wire (5) and the alloy core wire (3) in the middle of the filling layer, the first copper core wire (4), the second copper core wire (5) and the alloy core wire (3) are not in contact with each other, the insulating layer (7) covers the outer surface of the filling layer (6), the reinforcing layer (8) covers the outer surface of the insulating layer (7), the anti-corrosion wear-resistant layer (9) covers the outer surface of the reinforcing layer (8), the first copper core wire (4), The outer surface of second copper core (5) and alloy core (3) all wraps up spacer sleeve (10), the equal annular array in spacer sleeve (10) outward appearance is provided with a plurality of sand grip (11), and sand grip (11) with spacer sleeve (10) integrated into one piece.
2. A three-core plastic power cord according to claim 1, wherein: attaching plug (2) is the power-off protection three-phase plug, first copper core (4), second copper core (5) and alloy core (3) respectively with the three plug-in components electric connection of attaching plug (2), alloy core (3) adopt the aluminum alloy material.
3. A three-core plastic power cord according to claim 1, wherein: the insulating layer (7) and the isolation sleeve (10) are both made of pvc materials.
4. A three-core plastic power cord according to claim 1, wherein: the reinforcing layer (8) is a reticular middle layer made of glass fiber, and the upper surface and the lower surface of the reticular middle layer are coated with 1-2mm of modified epoxy resin.
5. The three-core plastic power cord of claim 4, wherein: the reticular structure of the reticular middle layer is an equilateral triangle structure.
6. A three-core plastic power cord according to claim 1, wherein: the anti-corrosion wear-resistant layer (9) is prepared by doping a preservative, an antioxidant and a mica material into nitrile rubber, and the thickness of the anti-corrosion wear-resistant layer is 2-3 mm.
7. A three-core plastic power cord according to claim 1, wherein: the filling material of the filling layer (6) is a polypropylene reticular filling rope doped with glass fiber.
8. A three-core plastic power cord according to claim 1, wherein: and silver coatings are arranged on the outer surfaces of the first copper core wire (4), the second copper core wire (5) and the alloy core wire (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121307088.3U CN215118344U (en) | 2021-06-11 | 2021-06-11 | Three-core plastic power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121307088.3U CN215118344U (en) | 2021-06-11 | 2021-06-11 | Three-core plastic power line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215118344U true CN215118344U (en) | 2021-12-10 |
Family
ID=79305720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121307088.3U Active CN215118344U (en) | 2021-06-11 | 2021-06-11 | Three-core plastic power line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215118344U (en) |
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2021
- 2021-06-11 CN CN202121307088.3U patent/CN215118344U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A three core plastic power cord Effective date of registration: 20231201 Granted publication date: 20211210 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Ningbo Yuyao sub branch Pledgor: Ningbo Xianghui Electric Appliance Co.,Ltd. Registration number: Y2023330002861 |