CN110783872A - Air bus duct - Google Patents

Air bus duct Download PDF

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Publication number
CN110783872A
CN110783872A CN201911071147.9A CN201911071147A CN110783872A CN 110783872 A CN110783872 A CN 110783872A CN 201911071147 A CN201911071147 A CN 201911071147A CN 110783872 A CN110783872 A CN 110783872A
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China
Prior art keywords
metal shell
bus duct
powder
parts
raw materials
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CN201911071147.9A
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Chinese (zh)
Inventor
张洪彬
陈建勋
聂富强
芦兆林
帅志刚
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Jiangsu Hanxing Cable Co Ltd
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Jiangsu Hanxing Cable Co Ltd
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Priority to CN201911071147.9A priority Critical patent/CN110783872A/en
Publication of CN110783872A publication Critical patent/CN110783872A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G5/00Installations of bus-bars
    • H02G5/06Totally-enclosed installations, e.g. in metal casings
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C47/00Making alloys containing metallic or non-metallic fibres or filaments
    • C22C47/14Making alloys containing metallic or non-metallic fibres or filaments by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C49/00Alloys containing metallic or non-metallic fibres or filaments
    • C22C49/02Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
    • C22C49/04Light metals
    • C22C49/06Aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C49/00Alloys containing metallic or non-metallic fibres or filaments
    • C22C49/14Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Powder Metallurgy (AREA)

Abstract

The invention relates to the technical field of bus ducts and discloses an air type bus duct which comprises a metal shell, wherein a cover plate is clamped at the top of the metal shell, a bus is arranged in the metal shell, limiting plates are arranged at two ends of the outer side of the bus, and a fixing plate is arranged in the middle of the bus. This air bus duct, carbon fiber through in the metal casing, can strengthen this bus duct metal casing's toughness, through the magnesium powder in the metal casing, can carry out faster heat dissipation effect to this bus duct metal casing, and then can prolong the life of this bus duct, can also increase this bus duct metal casing's toughness, manganese powder through in the metal casing can increase this bus duct metal casing's hardness and intensity, and then can improve this bus duct metal casing's performance, the life of extension generating line.

Description

Air bus duct
Technical Field
The invention relates to the technical field of bus ducts, in particular to an air type bus duct.
Background
The Bus duct is a new circuit mode developed by the United states and called as a 'Bus-Way-System', and is a novel conductor formed by taking copper or aluminum as a conductor, using non-olefinic insulating support and then being installed in a metal groove. The real practical application in japan was in showa 29 years (i.e., 1954), since which the bus duct was developed. Nowadays, the wiring system is indispensable for electrical equipment and power systems of high-rise buildings, factories, and the like. Because of the need of various building electric power of buildings, factories, etc., and the need has a tendency to increase year by year, the use of the original circuit wiring method, i.e., the pipe-through method, brings many difficulties in construction, and when the power distribution system is to be changed, it is almost impossible to make it simpler, however, if the bus duct is adopted, the purpose can be achieved very easily, and in addition, the building can be more beautiful. In terms of economy, the bus duct itself is expensive compared to cables, but the use of a bus duct makes construction costs much lower than those of a bus duct including various accessories for wiring and the entire power system, and this is particularly evident in the case of a large current capacity.
The bus duct uses copper or aluminum as a conductor, uses non-olefinic insulation support, and then is mounted on a metal shell to form a novel conductor, the conductor material mainly uses copper and is heavily conductive, the metal shell is important protection for isolating the conductor from the outside, the material of the metal shell determines the service life of the bus duct to a great extent, and the metal shell of the existing air type bus duct still has the problems of low toughness, low strength and low hardness.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the air bus duct, which has the advantages of good toughness, high strength, high hardness and the like, and solves the problems of low toughness, and defects in strength and hardness of a metal shell of the bus duct.
(II) technical scheme
In order to achieve the purpose that the metal shell of the bus duct has good toughness and increased strength and hardness, the invention provides the following technical scheme: the utility model provides an air type bus duct, includes metal casing, metal casing's top joint has the apron, metal casing's inside is provided with the generating line, the outside both ends of generating line all are provided with the limiting plate, the middle part of generating line is provided with the fixed plate.
Specifically, the metal shell is made of magnesium-aluminum alloy, and the magnesium-aluminum alloy comprises the following raw materials in parts by weight: 1-4 parts of manganese powder, 20-40 parts of magnesium powder, 10-25 parts of copper powder, 5-10 parts of silicon powder, 7-15 parts of carbon fiber and 1200-1500 parts of aluminum powder.
Specifically, the outer diameters of the manganese powder, the magnesium powder, the copper powder and the silicon powder are all 500-650 nanometers, and the outer diameter of the aluminum powder is 650-750 nanometers.
Specifically, the carbon fiber comprises carbon fiber and related matrix resin, the body resin is epoxy resin, the carbon fiber is polyacrylonitrile-based carbon fiber, and the outer diameter of the particles of the epoxy resin and the polyacrylonitrile-based carbon fiber is 1000 nanometers to 1500 nanometers.
Specifically, the preparation of the metal shell requires the following steps:
mixing the ingredients: preparing the raw materials of the magnesium-aluminum alloy according to the proportion of claim 2, mechanically stirring the raw materials, uniformly stirring for 30 minutes, and taking out;
heating and forming: putting the uniformly mixed magnesium-aluminum alloy raw material into a metal shell mold, heating the interior of the metal shell mold to 800 ℃, carrying out sealing and pressure forming operation on the interior of the metal shell, and cooling to room temperature to obtain a finished product of the metal shell of the bus duct.
Specifically, in the batching mixing process, need pour the raw materials into the agitator inside, then start agitator motor, and then stir magnesium aluminum alloy raw materials through the stirring leaf, after the stirring is accomplished, will mix the raw materials and directly carry to metal casing mould inside, the mixed raw materials volume of carrying is about to be greater than the holding capacity of metal casing mould.
Specifically, in the heating and forming process, the inside of the metal shell mold needs to be heated to 800 ℃, 10 atmospheres of pressure needs to be applied to the inside of the metal shell mold to perform extrusion forming in the process, the heating is stopped after the inside of the metal shell mold is heated to 800 ℃ and kept for 10 minutes, the heating is stopped, the heating is naturally cooled, and the metal shell mold can be taken out to obtain a metal shell finished product after being cooled to room temperature.
(III) advantageous effects
Compared with the prior art, the invention provides an air-type bus duct, which has the following beneficial effects:
1. this air bus duct, carbon fiber through in the metal casing, can strengthen this bus duct metal casing's toughness, through the magnesium powder in the metal casing, can carry out faster heat dissipation effect to this bus duct metal casing, and then can prolong the life of this bus duct, can also increase this bus duct metal casing's toughness, manganese powder through in the metal casing can increase this bus duct metal casing's hardness and intensity, and then can improve this bus duct metal casing's performance, the life of extension generating line.
2. This air bus duct, through the aluminite powder in the metal casing, can alleviate the holistic quality of this bus duct metal casing, can also promote this bus duct metal casing's corrosion-resistant strength, through the copper powder in the metal casing, can promote this bus duct metal casing's conductivity, through the silica flour in the metal casing, can strengthen this bus duct metal casing's oxidation resistance, and then can strengthen bus duct metal casing's corrosion resistance, and then improve this bus duct metal casing's life.
Drawings
Fig. 1 is a schematic structural view of an air-type bus duct according to the present invention.
In the figure: 1. a metal housing; 2. a cover plate; 3. a bus bar; 4. a limiting plate; 5. and (7) fixing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 protection scope of the present invention.
Referring to fig. 1, an air-type bus duct includes a metal housing 1, a cover plate 2 is clamped on the top of the metal housing 1, a bus 3 is disposed inside the metal housing 1, limiting plates 4 are disposed at two ends of the outer side of the bus 3, and a fixing plate 5 is disposed in the middle of the bus 3.
Example 1
Mixing the ingredients: the metal shell 1 is made of magnesium aluminum alloy, and the magnesium aluminum alloy comprises the following raw materials in parts by weight: 2 parts of manganese powder, wherein the manganese powder in the metal shell can increase the hardness and strength of the metal shell of the bus duct, so that the performance of the metal shell of the bus duct can be improved, the service life of the bus is prolonged, 20 parts of magnesium powder can be used for performing quick heat dissipation on the metal shell of the bus duct through the magnesium powder in the metal shell, so that the service life of the bus duct can be prolonged, the toughness of the metal shell of the bus duct can be increased, 20 parts of copper powder can be used for improving the conductivity of the metal shell of the bus duct through the copper powder in the metal shell, 9 parts of silicon powder can be used for enhancing the oxidation resistance of the metal shell of the bus duct through the silicon powder in the metal shell, so that the corrosion resistance of the metal shell of the bus duct can be enhanced, the service life of the metal shell of the bus duct can be prolonged, 7 parts of carbon fiber can, can strengthen this bus duct metal casing's toughness, aluminium powder 1300 parts, aluminium powder in through the metal casing can alleviate the holistic quality of this bus duct metal casing, can also promote this bus duct metal casing's corrosion resisting strength, then carries out mechanical stirring with the raw materials, takes out after evenly stirring 30 minutes.
Specifically, the outer diameters of manganese powder, magnesium powder, copper powder and silicon powder are controlled to be 500-650 nm by a mechanical method, and the outer diameter of aluminum powder is 650-750 nm.
Specifically, the carbon fiber comprises carbon fiber and related matrix resin, the body resin is epoxy resin, the carbon fiber is polyacrylonitrile-based carbon fiber, and the outer diameter of the epoxy resin and the polyacrylonitrile-based carbon fiber is controlled by a mechanical method to be 1000-1500 nanometers.
Heating and forming: putting the uniformly mixed magnesium-aluminum alloy raw material into a metal shell mold, heating the interior of the metal shell mold to 800 ℃, carrying out sealing and pressure forming operation on the interior of the metal shell, and cooling to room temperature to obtain a finished product of the metal shell of the bus duct.
Specifically, in the batching mixing process, need pour the raw materials into the agitator inside, then start agitator motor, and then stir magnesium aluminum alloy raw materials through the stirring leaf, after the stirring is accomplished, will mix the raw materials and directly carry to metal casing mould inside, the mixed raw materials volume of carrying is about to be greater than the holding capacity of metal casing mould.
Specifically, in the heating and forming process, the inside of the metal shell mold needs to be heated to 800 ℃, 10 atmospheres of pressure needs to be applied to the inside of the metal shell mold to perform extrusion forming in the process, the heating is stopped after the inside of the metal shell mold is heated to 800 ℃ and kept for 10 minutes, the heating is stopped, the heating is naturally cooled, and the metal shell mold can be taken out to obtain a metal shell finished product after being cooled to room temperature.
Example 2
Mixing the ingredients: the metal shell 1 is made of magnesium aluminum alloy, and the magnesium aluminum alloy comprises the following raw materials in parts by weight: 4 parts of manganese powder, 20 parts of magnesium powder, 10 parts of copper powder, 10 parts of silicon powder, 10 parts of carbon fiber and 1400 parts of aluminum powder, and then mechanically stirring the raw materials, uniformly stirring for 30 minutes and taking out.
Specifically, the outer diameters of the manganese powder, the magnesium powder, the copper powder and the silicon powder are controlled to be 550 nanometers by a mechanical method, and the outer diameter of the aluminum powder is controlled to be 700 nanometers.
Specifically, the carbon fibers include carbon fibers and related matrix resins, such as epoxy resins, and carbon fibers such as polyacrylonitrile-based carbon fibers, the outer diameters of the epoxy resins and the polyacrylonitrile-based carbon fibers being mechanically controlled to be 1000 nm.
Heating and forming: putting the uniformly mixed magnesium-aluminum alloy raw material into a metal shell mold, heating the interior of the metal shell mold to 800 ℃, carrying out sealing and pressure forming operation on the interior of the metal shell, and cooling to room temperature to obtain a finished product of the metal shell of the bus duct.
Specifically, in the batching mixing process, need pour the raw materials into the agitator inside, then start agitator motor, and then stir magnesium aluminum alloy raw materials through the stirring leaf, after the stirring is accomplished, will mix the raw materials and directly carry to metal casing mould inside, the mixed raw materials volume of carrying is about to be greater than the holding capacity of metal casing mould.
Specifically, in the heating and forming process, the inside of the metal shell mold needs to be heated to 800 ℃, 10 atmospheres of pressure needs to be applied to the inside of the metal shell mold to perform extrusion forming in the process, the heating is stopped after the inside of the metal shell mold is heated to 800 ℃ and kept for 10 minutes, the heating is stopped, the heating is naturally cooled, and the metal shell mold can be taken out to obtain a metal shell finished product after being cooled to room temperature.
Example 3
Mixing the ingredients: the metal shell 1 is made of magnesium aluminum alloy, and the magnesium aluminum alloy comprises the following raw materials in parts by weight: 2 parts of manganese powder, 40 parts of magnesium powder, 10 parts of copper powder, 6 parts of silicon powder, 7 parts of carbon fiber and 1400 parts of aluminum powder, and then mechanically stirring the raw materials, uniformly stirring for 30 minutes and taking out.
Specifically, the outer diameters of manganese powder, magnesium powder, copper powder and silicon powder are all controlled to be 650 nanometers through a mechanical method, and the outer diameter of aluminum powder is 650 nanometers.
Specifically, the carbon fibers include carbon fibers and related matrix resins, such as epoxy resins, and carbon fibers such as polyacrylonitrile-based carbon fibers, the outer diameters of the epoxy resins and the polyacrylonitrile-based carbon fibers being controlled to be 1100 nm by mechanical means.
Heating and forming: putting the uniformly mixed magnesium-aluminum alloy raw material into a metal shell mold, heating the interior of the metal shell mold to 800 ℃, carrying out sealing and pressure forming operation on the interior of the metal shell, and cooling to room temperature to obtain a finished product of the metal shell of the bus duct.
Specifically, in the batching mixing process, need pour the raw materials into the agitator inside, then start agitator motor, and then stir magnesium aluminum alloy raw materials through the stirring leaf, after the stirring is accomplished, will mix the raw materials and directly carry to metal casing mould inside, the mixed raw materials volume of carrying is about to be greater than the holding capacity of metal casing mould.
Specifically, in the heating and forming process, the inside of the metal shell mold needs to be heated to 800 ℃, 10 atmospheres of pressure needs to be applied to the inside of the metal shell mold to perform extrusion forming in the process, the heating is stopped after the inside of the metal shell mold is heated to 800 ℃ and kept for 10 minutes, the heating is stopped, the heating is naturally cooled, and the metal shell mold can be taken out to obtain a metal shell finished product after being cooled to room temperature.
Example 4
Mixing the ingredients: the metal shell 1 is made of magnesium aluminum alloy, and the magnesium aluminum alloy comprises the following raw materials in parts by weight: 3 parts of manganese powder, 25 parts of magnesium powder, 25 parts of copper powder, 9 parts of silicon powder, 14 parts of carbon fiber and 1400 parts of aluminum powder, and then mechanically stirring the raw materials, uniformly stirring for 30 minutes and taking out.
Specifically, the outer diameters of the manganese powder, the magnesium powder, the copper powder and the silicon powder are controlled to be 550 nanometers by a mechanical method, and the outer diameter of the aluminum powder is 750 nanometers.
Specifically, the carbon fibers include carbon fibers and related matrix resins, such as epoxy resins, and carbon fibers such as polyacrylonitrile-based carbon fibers, the outer diameters of the epoxy resins and the polyacrylonitrile-based carbon fibers being mechanically controlled to be 1300 nm.
Heating and forming: putting the uniformly mixed magnesium-aluminum alloy raw material into a metal shell mold, heating the interior of the metal shell mold to 800 ℃, carrying out sealing and pressure forming operation on the interior of the metal shell, and cooling to room temperature to obtain a finished product of the metal shell of the bus duct.
Specifically, in the batching mixing process, need pour the raw materials into the agitator inside, then start agitator motor, and then stir magnesium aluminum alloy raw materials through the stirring leaf, after the stirring is accomplished, will mix the raw materials and directly carry to metal casing mould inside, the mixed raw materials volume of carrying is about to be greater than the holding capacity of metal casing mould.
Specifically, in the heating and forming process, the inside of the metal shell mold needs to be heated to 800 ℃, 10 atmospheres of pressure needs to be applied to the inside of the metal shell mold to perform extrusion forming in the process, the heating is stopped after the inside of the metal shell mold is heated to 800 ℃ and kept for 10 minutes, the heating is stopped, the heating is naturally cooled, and the metal shell mold can be taken out to obtain a metal shell finished product after being cooled to room temperature.
Example 5
Mixing the ingredients: the metal shell 1 is made of magnesium aluminum alloy, and the magnesium aluminum alloy comprises the following raw materials in parts by weight: 3 parts of manganese powder, 30 parts of magnesium powder, 25 parts of copper powder, 6 parts of silicon powder, 8 parts of carbon fiber and 1500 parts of aluminum powder, and then the raw materials are mechanically stirred and are uniformly stirred for 30 minutes and then taken out.
Specifically, the outer diameters of manganese powder, magnesium powder, copper powder and silicon powder are controlled to be 500 nanometers by a mechanical method, and the outer diameter of aluminum powder is 650 nanometers.
Specifically, the carbon fibers include carbon fibers and related matrix resins, such as epoxy resins, and carbon fibers such as polyacrylonitrile-based carbon fibers, the outer diameters of the epoxy resins and the polyacrylonitrile-based carbon fibers being controlled by mechanical means to be 1500 nm.
Heating and forming: putting the uniformly mixed magnesium-aluminum alloy raw material into a metal shell mold, heating the interior of the metal shell mold to 800 ℃, carrying out sealing and pressure forming operation on the interior of the metal shell, and cooling to room temperature to obtain a finished product of the metal shell of the bus duct.
Specifically, in the batching mixing process, need pour the raw materials into the agitator inside, then start agitator motor, and then stir magnesium aluminum alloy raw materials through the stirring leaf, after the stirring is accomplished, will mix the raw materials and directly carry to metal casing mould inside, the mixed raw materials volume of carrying is about to be greater than the holding capacity of metal casing mould.
Specifically, in the heating and forming process, the inside of the metal shell mold needs to be heated to 800 ℃, 10 atmospheres of pressure needs to be applied to the inside of the metal shell mold to perform extrusion forming in the process, the heating is stopped after the inside of the metal shell mold is heated to 800 ℃ and kept for 10 minutes, the heating is stopped, the heating is naturally cooled, and the metal shell mold can be taken out to obtain a metal shell finished product after being cooled to room temperature.
The metal shells obtained in the above examples were subjected to the performance tests of strength, hardness and toughness, respectively, and the test results are shown in table 1.
Figure 256298DEST_PATH_IMAGE002
TABLE 1 test results of metal case
To sum up, the air-type bus duct can enhance the toughness of the metal shell 1 of the bus duct through the carbon fiber in the metal shell 1, can perform a faster heat dissipation effect on the metal shell 1 of the bus duct through the magnesium powder in the metal shell 1, further can prolong the service life of the bus duct, can also increase the toughness of the metal shell 1 of the bus duct, can increase the hardness and strength of the metal shell 1 of the bus duct through the manganese powder in the metal shell 1, further can improve the performance of the metal shell 1 of the bus duct, and prolong the service life of the bus, can lighten the overall quality of the metal shell 1 of the bus duct through the aluminum powder in the metal shell 1, can also improve the corrosion resistance strength of the metal shell 1 of the bus duct, and can improve the conductivity of the metal shell 1 of the bus duct through the copper powder in the metal shell 1, through the silica flour in the metal shell 1, the oxidation resistance of the bus duct metal shell 1 can be enhanced, the corrosion resistance of the bus duct metal shell 1 can be further enhanced, and the service life of the bus duct metal shell 1 is further prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an air bus duct, includes metal casing (1), its characterized in that: the top joint of metal casing (1) has apron (2), the inside of metal casing (1) is provided with generating line (3), the outside both ends of generating line (3) all are provided with limiting plate (4), the middle part of generating line (3) is provided with fixed plate (5).
2. An air bus duct of claim 1, wherein: the metal shell (1) is made of magnesium-aluminum alloy, and the magnesium-aluminum alloy comprises the following raw materials in parts by weight: 1-4 parts of manganese powder, 20-40 parts of magnesium powder, 10-25 parts of copper powder, 5-10 parts of silicon powder, 7-15 parts of carbon fiber and 1200-1500 parts of aluminum powder.
3. An air bus duct of claim 2, wherein: the outer diameters of the manganese powder, the magnesium powder, the copper powder and the silicon powder are all 500-650 nanometers, and the outer diameter of the aluminum powder is 650-750 nanometers.
4. An air bus duct of claim 2, wherein: the carbon fiber comprises carbon fiber and relevant matrix resin, organic resin such as epoxy resin, and carbon fiber such as polyacrylonitrile-based carbon fiber, wherein the particle outer diameter of the epoxy resin and the polyacrylonitrile-based carbon fiber is 1000 nm-1500 nm.
5. An air bus duct of claim 2, wherein: the preparation of the metal shell (1) requires the following steps:
mixing the ingredients: preparing the raw materials of the magnesium-aluminum alloy according to the proportion of claim 2, mechanically stirring the raw materials, uniformly stirring for 30 minutes, and taking out;
heating and forming: putting the uniformly mixed magnesium-aluminum alloy raw material into a metal shell mold, heating the interior of the metal shell mold to 800 ℃, carrying out sealing and pressure forming operation on the interior of the metal shell, and cooling to room temperature to obtain a finished product of the metal shell of the bus duct.
6. An air bus duct of claim 1, wherein: in the batching mixing process, need pour the raw materials into the agitator inside, then start agitator motor, and then stir magnalium alloy raw materials through the stirring leaf, after the stirring is accomplished, directly carry the mixing raw materials to metal casing mould inside, the mixed raw materials volume of transport is about to be greater than the holding capacity of metal casing mould.
7. An air bus duct of claim 1, wherein: in the heating forming process, the inside of the metal shell mold needs to be heated to 800 ℃, 10 atmospheres of pressure needs to be applied to the inside of the metal shell mold in the process for extrusion forming, the heating is stopped after the inside of the metal shell mold is heated to 800 ℃ and kept for 10 minutes, the heating is naturally cooled, and the metal shell finished product can be obtained after the metal shell mold is cooled to room temperature.
CN201911071147.9A 2019-11-05 2019-11-05 Air bus duct Pending CN110783872A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07143629A (en) * 1993-11-18 1995-06-02 Furukawa Electric Co Ltd:The Electric wire compressor
CN203536897U (en) * 2013-10-28 2014-04-09 深圳市吉祥天电力设备有限公司 Low voltage hollow bus duct
CN107779684A (en) * 2017-12-12 2018-03-09 徐州轩辕铝业有限公司 A kind of novel aluminum alloy formula and preparation method thereof
CN108265207A (en) * 2017-12-25 2018-07-10 广州金邦液态模锻技术有限公司 A kind of high heat conduction aluminium alloy and preparation method thereof and radiator
CN108783714A (en) * 2018-07-02 2018-11-13 国家电网公司 A kind of electrical safety helmet
CN209461978U (en) * 2019-01-05 2019-10-01 国网湖北省电力有限公司荆门供电公司 One kind preventing propagation of flame enclosed bus duct

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07143629A (en) * 1993-11-18 1995-06-02 Furukawa Electric Co Ltd:The Electric wire compressor
CN203536897U (en) * 2013-10-28 2014-04-09 深圳市吉祥天电力设备有限公司 Low voltage hollow bus duct
CN107779684A (en) * 2017-12-12 2018-03-09 徐州轩辕铝业有限公司 A kind of novel aluminum alloy formula and preparation method thereof
CN108265207A (en) * 2017-12-25 2018-07-10 广州金邦液态模锻技术有限公司 A kind of high heat conduction aluminium alloy and preparation method thereof and radiator
CN108783714A (en) * 2018-07-02 2018-11-13 国家电网公司 A kind of electrical safety helmet
CN209461978U (en) * 2019-01-05 2019-10-01 国网湖北省电力有限公司荆门供电公司 One kind preventing propagation of flame enclosed bus duct

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Application publication date: 20200211