CN215341990U - Environment-friendly cable and household power supply device - Google Patents
Environment-friendly cable and household power supply device Download PDFInfo
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- CN215341990U CN215341990U CN202023015733.2U CN202023015733U CN215341990U CN 215341990 U CN215341990 U CN 215341990U CN 202023015733 U CN202023015733 U CN 202023015733U CN 215341990 U CN215341990 U CN 215341990U
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Abstract
The utility model discloses an environment-friendly cable which comprises an aluminum alloy conductor and an insulating layer; the aluminum alloy conductor is 8A07 aluminum alloy, 8030 aluminum alloy or rare earth high-iron aluminum alloy; the insulating layer wraps the outer side of the aluminum alloy conductor and is made of a flame-retardant environment-friendly material. The utility model also discloses a household power supply device comprising the environment-friendly cable. The environment-friendly cable can effectively reduce the production cost of the cable, enhance the current-carrying capacity of the cable and improve the use safety of the cable.
Description
Technical Field
The utility model particularly relates to an environment-friendly cable and a household power supply device comprising the environment-friendly cable.
Background
China is the first major wire and cable producing country in the world, the wire and cable production in 2019 is 1.4 trillion, the annual copper consumption in the industry exceeds 500 trillion, wherein the content of copper in the earth crust is less than 0.01%, the copper is consumed according to the annual average growth rate of 3%, the copper can be reused for 32 years globally, the copper resource in China is seriously deficient, 75% of copper can be met by adopting an imported mode, the cost of copper is greatly increased, and the cost in the process of manufacturing the cable is very high because the cable made of the copper material accounts for 60-70% of the total cost.
The storage amount of aluminum element in the earth crust is about 7.73 percent, which is more than 1000 times of copper, and can meet the requirement of nearly 180 years according to the mining scale of about 1.4 hundred million tons per year, and the aluminum resource in China is relatively abundant, and the electrolytic aluminum capacity is seriously surplus, so the 'saving copper by aluminum' has great significance for maintaining the national resource safety in the aspect of sustainable development of resources.
However, the pure aluminum conductor has low mechanical properties such as tensile strength, elongation, flexibility and the like, and cannot bear the traction, pulling, bending and folding of the conductor in the installation process, so that the conductor is damaged in different degrees, and the hidden danger of accidents is easily caused. In addition, along with the increase of household appliances, the current-carrying capacity of a common cable in the prior art is difficult to meet the current-carrying capacity required in actual life, so that the used current exceeds the load capacity of a line, and accidents caused by overload power utilization are caused frequently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art, and provides an environment-friendly cable and a household power supply device comprising the environment-friendly cable.
In order to solve the technical problems, the utility model adopts the following technical scheme:
an environment-friendly cable comprises an aluminum alloy conductor and an insulating layer;
the aluminum alloy conductor is 8A07 aluminum alloy, 8030 aluminum alloy or rare earth high-iron aluminum alloy;
the insulating layer wraps the outer side of the aluminum alloy conductor and is made of flame retardant materials.
Preferably, the insulating layer is made of a flame-retardant environment-friendly PVC material.
Preferably, the insulating layer is made of a flame-retardant environment-friendly PVC material capable of resisting the temperature of 125 ℃.
Preferably, the cable further comprises a protective layer, and the protective layer is wrapped outside the insulating layer.
Preferably, the protective layer is made of transparent environment-friendly PVC material.
Preferably, the protective layer is made of a transparent environment-friendly PVC material capable of resisting the temperature of 125 ℃.
Preferably, the aluminum alloy conductor is formed by twisting one aluminum alloy wire or a plurality of aluminum alloy wires.
The utility model also provides a household power supply device which comprises a power supply, a household appliance and the environment-friendly cable, wherein two ends of the environment-friendly cable are respectively connected with the power supply and the household appliance.
The environment-friendly cable disclosed by the utility model can effectively reduce the manufacturing cost of the environment-friendly cable by adopting the aluminum alloy conductor, and in addition, the insulation layer is arranged on the outer side of the conductor and is made of a flame-retardant environment-friendly material, the material is an insulation material with high volume resistivity, the insulation resistance, voltage resistance and heat resistance of the cable can be improved, the thermal breakdown resistance and thermal aging resistance of the cable are greatly improved, the fault and short circuit resistance is stronger, the electric safety performance is improved, and the service life is longer. As a preferred embodiment, the environment-friendly cable is further provided with a protective layer and is made of a transparent environment-friendly PVC material, the material is friction-resistant and high in tensile strength, can effectively protect the insulating layer and the conductor, is easy to penetrate through the pipe for laying, and has a certain insulating effect, so that the protective layer can act together with the insulating layer to achieve a double-insulation effect.
By adopting the environment-friendly cable, the household power supply device can enhance the load capacity of the environment-friendly cable in the power supply device, meets the requirement of household power supply with high current load, and is safe and reliable.
Drawings
Fig. 1 is a schematic structural diagram of an eco-friendly cable according to an embodiment of the present invention.
In the figure: 1-an aluminum alloy conductor; 2-an insulating layer; and 3, a protective layer.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.
In the description of the present invention, it should be noted that the indication of orientation or positional relationship, such as "on" or the like, is based on the orientation or positional relationship shown in the drawings, and is only for convenience and simplicity of description, and does not indicate or imply that the device or element referred to must be provided with a specific orientation, constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, 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 "connected," "disposed," "mounted," "fixed," and the like are to be construed broadly, e.g., as being fixedly or removably connected, or integrally connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
The utility model provides an environment-friendly cable which comprises an aluminum alloy conductor and an insulating layer;
the aluminum alloy conductor is 8A07 aluminum alloy, 8030 aluminum alloy or rare earth high-iron aluminum alloy;
the insulating layer wraps the outer side of the aluminum alloy conductor and is made of a flame-retardant environment-friendly material.
The utility model also provides a household power supply device which comprises a power supply, a household appliance and the environment-friendly cable, wherein two ends of the environment-friendly cable are respectively connected with the power supply and the household appliance.
Example 1:
the embodiment discloses an environment-friendly cable, which comprises an aluminum alloy conductor 1 and an insulating layer 2 as shown in figure 1.
Wherein the resistivity of the aluminum alloy is 0.028264 omega mm2Perm, resistivity of copper 0.017241. omega. mm2In terms of the number of aluminum alloy sections, when the aluminum alloy section is 1.61 times the copper section, the direct current resistance of the aluminum alloy conductor is equivalent to that of the copper conductor, and the density of the copper material is 8.89g/cm3The density of the aluminum alloy is 2.71g/cm3And on the premise of the same volume, the current transmission capacity of the aluminum alloy is 50% higher than that of copper, so that the current-carrying capacity of the conductor can be effectively improved by adopting the aluminum alloy as the conductor compared with the copper as the conductor under the condition of the same volume. In addition, the copper price is about 3.3 times higher than that of the aluminum alloy at present, and the cost of the conductor prepared by the aluminum alloy is obviously reduced compared with that of the copper conductor. Therefore, the inventor believes that compared with a copper conductor, the conductor prepared by adopting the aluminum alloy can effectively reduce the production cost of the conductor, is beneficial to industrial production of the conductor, and can increase the current-carrying capacity of the conductor.
In this embodiment, the aluminum alloy conductor 1 is made of 8a07 aluminum alloy, 8030 aluminum alloy, or rare earth high-iron aluminum alloy. Compared with a conductor prepared from pure aluminum, the conductor prepared from the material has good creep resistance, can effectively increase the mechanical properties of the conductor such as tensile strength, elongation and flexibility, is beneficial to the production process and installation process of the conductor, can avoid bad contact and heating hidden troubles caused by creep and oxidation of the pure aluminum conductor, and ensures the long-term power supply safety of the cable.
The insulating layer 2 of the environment-friendly cable in the embodiment is wrapped outside the aluminum alloy conductor 1 and made of a flame-retardant environment-friendly material. Preferably, the insulating layer 2 is made of a flame-retardant environment-friendly PVC material, wherein the flame-retardant environment-friendly PVC material is an insulating material with high volume resistivity, and can improve the insulation resistance, voltage resistance and heat resistance of the cable.
Generally, in important occasions with large electric loads such as high-rise residences, villas, hotels and the like, under the conditions that too many household appliances and electric equipment are connected, short-term line overload temperature rise is high and the like, the insulating layer 2 is made of a flame-retardant environment-friendly PVC material which can resist the temperature of 125 ℃. The maximum operation temperature of the aluminum alloy conductor 1 can reach 125 ℃ by using a flame-retardant environment-friendly PVC material with the temperature of 125 ℃, the current-carrying capacity is improved by more than 20% compared with that of the existing cable with the aluminum alloy conductor, the overload resistance is strong, the theoretical calculation shows that the current-carrying capacity is similar to that of a copper core cable, and the cable can be used alternatively, but from the aspects of line loss and cable cost, the sectional area of the aluminum alloy conductor needs to be increased to replace the copper conductor so as to achieve the same current-carrying capacity, wherein if the sectional area needs to be replaced by 50mm2And the following copper conductors, an aluminum alloy conductor with a standard section needs to be enlarged, specifically, if the aluminum alloy conductor needs to replace the section area of 35mm2The copper conductor of (2) needs to adopt a cross-sectional area of 50mm2The aluminum alloy conductor of (1). If necessary, the cross-sectional area is 70mm2And the copper conductor with the above specification needs to be added with aluminum alloy conductors with two specification sections, and particularly, if the aluminum alloy conductors with the section area of 70mm are to be replaced2The copper conductor of (2) needs to adopt a cross-sectional area of 120mm2The aluminum alloy conductor of (1).
The environment-friendly cable in the embodiment can effectively improve the temperature resistance of the cable, greatly improves the thermal breakdown resistance and the thermal aging resistance, has stronger fault and short circuit resistance, improves the overload resistance, does not lose the insulating property after short-term overload, improves the electricity utilization safety, has longer service life, and can ensure the household electricity utilization safety.
Because the cable of traditional individual layer insulation system easy wearing and tearing insulating layer 2 when the poling lays, influence insulation resistance and the security of long-term use, consequently, the environmental protection cable in this embodiment still is provided with protective layer 3, and wherein, protective layer 3 parcel is in the insulating layer 2 outside.
In this embodiment, protective layer 3 adopts transparent environmental protection PVC material to make, and wherein, transparent environmental protection PVC material is antifriction and tensile strength is high, can effectively protect insulating layer 2 and aluminum alloy conductor 1, and easily the poling lays, and in addition, this protective layer 2 also has certain insulating effect, can reach double-deck insulating effect with insulating layer 2 combined action.
In the important place that the power consumption safety requires highly, for guaranteeing the power consumption safety, protective layer 3 adopts temperature resistant 125 ℃'s transparent PVC material to make, and protective layer 3 can tolerate 125 ℃'s temperature for avoid insulating layer 2 high temperature to lead to protective layer 3 to receive thermal ageing.
In this embodiment, the aluminum alloy conductor 1 is formed by twisting one aluminum alloy wire or a plurality of aluminum alloy wires. Wherein, the number and the diameter of the aluminum alloy wires are determined according to the actual situation. When the section of the aluminum alloy conductor 1 is required to be small, only one aluminum alloy wire can be adopted, and a small amount of aluminum alloy wires can be twisted to form the aluminum alloy conductor.
In the embodiment, the conductors with different sections can be prepared by adopting different numbers of aluminum alloy wires, and in addition, the problem that the flexibility and the bendability are small because only one aluminum alloy wire is adopted when the conductor with a larger section is prepared can be solved.
Usually, under the working conditions of different conductor section areas and different circuit complexity degrees, the number of the aluminum alloy wires is 1-61, and the construction requirements can be met.
The environmental protection cable of this embodiment can effectively reduce the manufacturing cost of environmental protection cable through adopting the aluminum alloy conductor, and in addition, the environmental protection cable of this embodiment has set up the insulating layer in the conductor outside to adopt fire-retardant environmental protection PVC material to make, this material is the insulating material of high volume resistivity, can improve the insulation resistance, withstand voltage ability and the heat-resisting ability of cable, its thermal breakdown resistance, thermal ageing resistance improve by a wide margin, anti-fault short circuit ability is stronger, has improved the power consumption safety ability, and life is longer. The environmental protection cable of this embodiment has still set up the protective layer, and adopts transparent environmental protection PVC material to make, and this material is antifriction and tensile strength is high, can effectively protect insulating layer and conductor, and easily poling lays, and in addition, this protective layer also has certain insulating effect, can with insulating layer combined action, realizes the effect of double insulation.
Example 2:
the embodiment discloses a household power supply device, which comprises a power supply and a household appliance, and further comprises an environment-friendly cable in the embodiment 1, wherein two ends of the environment-friendly cable are respectively connected with the power supply and the household appliance. The household appliances comprise high-power household appliances such as an air conditioner, a microwave oven and an induction cooker.
The household power supply device of the embodiment can enhance the load capacity of the environment-friendly cable in the power supply device by adopting the environment-friendly cable, meets the requirement of high-current-load household appliances, and is safe and reliable.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the utility model, and these modifications and improvements are also considered to be within the scope of the utility model.
Claims (8)
1. An environment-friendly cable is characterized by comprising an aluminum alloy conductor (1) and an insulating layer (2);
the aluminum alloy conductor is 8A07 aluminum alloy, 8030 aluminum alloy or rare earth high-iron aluminum alloy;
the insulating layer wraps the outer side of the aluminum alloy conductor and is made of a flame-retardant environment-friendly material.
2. The environment-friendly cable according to claim 1, wherein the insulating layer is made of a flame-retardant environment-friendly PVC material.
3. The environment-friendly cable according to claim 2, wherein the insulating layer is made of flame-retardant environment-friendly PVC material resistant to 125 ℃.
4. Environmentally friendly cable according to claim 2, further comprising a protective layer (3) wrapped outside the insulating layer.
5. The environmentally friendly cable of claim 4, wherein the protective layer is made of a transparent environmentally friendly PVC material.
6. The environment-friendly cable according to claim 5, wherein the protective layer is made of a transparent environment-friendly PVC material resistant to 125 ℃.
7. The environment-friendly cable according to any one of claims 1 to 6, wherein the aluminum alloy conductor is formed by twisting one aluminum alloy wire or a plurality of aluminum alloy wires.
8. A household power supply device, which comprises a power supply and a household appliance, and is characterized by further comprising the environment-friendly cable as claimed in any one of claims 1 to 7, wherein two ends of the environment-friendly cable are respectively connected with the power supply and the household appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023015733.2U CN215341990U (en) | 2020-12-15 | 2020-12-15 | Environment-friendly cable and household power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023015733.2U CN215341990U (en) | 2020-12-15 | 2020-12-15 | Environment-friendly cable and household power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215341990U true CN215341990U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023015733.2U Active CN215341990U (en) | 2020-12-15 | 2020-12-15 | Environment-friendly cable and household power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215341990U (en) |
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2020
- 2020-12-15 CN CN202023015733.2U patent/CN215341990U/en active Active
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