CN107093496A - The bus and its production method of a kind of bus duct - Google Patents

The bus and its production method of a kind of bus duct Download PDF

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Publication number
CN107093496A
CN107093496A CN201710181045.7A CN201710181045A CN107093496A CN 107093496 A CN107093496 A CN 107093496A CN 201710181045 A CN201710181045 A CN 201710181045A CN 107093496 A CN107093496 A CN 107093496A
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CN
China
Prior art keywords
bus
production method
bus duct
busbar body
obtains
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201710181045.7A
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Chinese (zh)
Inventor
武行峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Yizhen Electric Power Equipment Co Ltd
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Hefei Yizhen Electric Power Equipment Co Ltd
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Priority to CN201710181045.7A priority Critical patent/CN107093496A/en
Publication of CN107093496A publication Critical patent/CN107093496A/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0009—Details relating to the conductive cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/023—Alloys based on aluminium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/222—Sheathing; Armouring; Screening; Applying other protective layers by electro-plating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame

Abstract

The invention discloses a kind of bus of bus duct and its production method, the bus includes the busbar body being made up of alusil alloy, and the busbar body includes the component of following percentage by weight：Silicon 3.2~5.6%, copper 1.8~2.5%, magnesium 0.8~1.5%, titanium 0.3~0.6%, chromium 0.06~0.15%, cerium 0.05~0.16%, surplus are aluminium and inevitable impurity.The production method of bus obtains the main body base material of bus using high temperature melting, slagging-off degasification, deburring, extrusion forming, and base material obtains the bus duct bus by punching, flanging, welding, the processing of coating again.The bus of the present invention not only had concurrently the excellent wearability of alusil alloy, heat resistance and aluminium copper is high-strength, high-ductility, the advantages of easily shape, and with excellent ductility, tensile strength, yield strength.

Description

The bus and its production method of a kind of bus duct
Technical field
The present invention relates to the bus field in power engineering, and in particular to the bus and its production method of a kind of bus duct.
Background technology
Conductor connection between grid power transmission wire and substation transformer, the wire jumper in transmission line of electricity, power equipment In connection conductor be one of key equipment in electric power power transmission and transformation system, safety to power transmission and transformation system and power equipment, can Vital effect is played by operation.Copper, the aluminum material that bus typically refers to high conductivity are made, to transmit electricity And can be there is the product for collecting and distributing power capability.The electricity that generator, transformer or rectifier can be exported by bus Each user or other electric substations can be conveyed to.
Traditional bus duct bus is generally copper, aluminium or albronze material and is made, and copper material cost is high, and aluminium is oxidizable,
Copper aluminum composite material conductance and intensity are relatively low, and the outer copper-clad of long-term use is easily peeled off with center aluminium, forms failure. In addition, traditional air type bus duct degree of protection can only achieve IP40.The ductility of alusil alloy is preferable, light weight, low bulk Coefficient, high-temperature corrosion resistance, by adding after other such as copper, magnesium metallic element, are not only able to improve intensity, moreover it is possible to improve material Conductance, be suitable as substantially increasing the performance of bus duct after the main body base material of bus, coating.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of bus of bus duct and its producer Method, the bus has excellent ductility, tensile strength, yield strength, high-temperature corrosion resistance.
The present invention solves technical problem and adopted the following technical scheme that：
The invention provides a kind of bus of bus duct, including the busbar body being made up of alusil alloy, the busbar body bag Include the component of following percentage by weight：Silicon 3.2~5.6%, copper 1.8~2.5%, magnesium 0.8~1.5%, titanium 0.3~0.6%, chromium 0.06 ~0.15%, cerium 0.05~0.16%, surplus is aluminium and inevitable impurity.
Preferably, the busbar body includes the component of following percentage by weight：Silicon 4.5%, copper 2.2%, magnesium 1.0%, titanium 0.5%th, chromium 0.09%, cerium 0.07%, surplus are aluminium and inevitable impurity.
The production method of the bus of above-mentioned bus duct, comprises the following steps：
（1）Aluminium ingot is put into graphite crucible and is heated to after all fusings, ice crystal covering melt liquid level is added；
（2）Melt is continuously heating to 1100-1200 DEG C, ice crystal is opened wide, addition is baked to 280-320 DEG C of other metals member Element, is stirred using graphite rod, obtains mixed material a；
（3）Material a is subjected to slagging-off degassing processing, after after miscellaneous gas and the complete emersion melt liquid level of dregs, impurity, liquid is filtered to remove Body, which is poured into mould, obtains alusil alloy shape material；
（4）High-pressure water jet deburring is used to alusil alloy shape material, dry method extrusion forming obtains busbar body base material；
（5）Busbar body base material is punched out, flanging, after soldering, carry out the bus that overlay coating processing obtains bus duct.
Preferably, the step（1）The condition of aluminium ingot heating fusing is 660-680 DEG C of heating 20-30min.
Preferably, the step（1）Melt temperature is risen to 750-760 DEG C before adding ice crystal.
Preferably, the step（2）The mixing speed of graphite rod is 60-80r/min.
Preferably, the step（4）The hydraulic pressure of high-pressure water jet deburring is 40-50Mpa.
Preferably, the step（5）Overlay coating use for silver layer or tin layers.
Preferably, the step（5）The conductance of obtained bus is more than 55%IACS, and tensile strength is more than 180Mpa, bends Intensity is taken more than 160Mpa.
Compared with prior art, the present invention has following beneficial effect：
（1）The present invention bus duct bus, its busbar body using aluminium, silicon as main alloying component, add copper, magnesium, titanium, The Determination of multiple metal elements such as chromium, cerium, using high temperature melting, slagging-off degasification, deburring, extrusion forming bus main body base material, base material The bus duct bus is obtained by punching, flanging, welding, the processing of coating again, excellent wear-resisting of alusil alloy has not only been had concurrently Property, heat resistance and aluminium copper is high-strength, high-ductility, the advantages of easily shape, and with excellent ductility, tensile strength, surrender Intensity.
（2）Rationally, extrusion technique is ripe for the bus production method casting temperature of the present invention, and energy consumption is relatively low, is adapted to extensive Production.
Embodiment
Invention is described in further detail below in conjunction with specific embodiment.
Embodiment 1.
The bus of the present embodiment bus duct, including the busbar body being made up of alusil alloy, busbar body include following weight hundred Divide the component of ratio：Silicon 4.5%, copper 2.2%, magnesium 1.0%, titanium 0.5%, chromium 0.09%, cerium 0.07%, surplus are aluminium and inevitable Impurity.
The production method of the bus, comprises the following steps：
（1）Aluminium ingot is put into 660 DEG C of heating 30min in graphite crucible and to after all melting, is warming up to 750 DEG C, ice crystal is added Cover melt liquid level；
（2）Melt is continuously heating to 1100-1200 DEG C, ice crystal is opened wide, addition is baked to 280-320 DEG C of other metals member Element, uses graphite rod to be stirred with 80r/min speed, obtains mixed material a；
（3）Material a is subjected to slagging-off degassing processing, after after miscellaneous gas and the complete emersion melt liquid level of dregs, impurity, liquid is filtered to remove Body, which is poured into mould, obtains alusil alloy shape material；
（4）40MPa high-pressure water jet deburrings are used to alusil alloy shape material, dry method extrusion forming obtains busbar body base material；
（5）Busbar body base material is punched out, flanging, after soldering, carry out the mother that electroplate layer processing obtains bus duct Line.
Embodiment 2.
The bus of the present embodiment bus duct, including the busbar body being made up of alusil alloy, busbar body include following weight hundred Divide the component of ratio：Silicon 3.2%, copper 1.8%, magnesium 1.2%, titanium 0.3%, chromium 0.08%, cerium 0.06%, surplus are aluminium and inevitable Impurity.
The production method of the bus, comprises the following steps：
（1）Aluminium ingot is put into 670 DEG C of heating 28min in graphite crucible and to after all melting, is warming up to 760 DEG C, ice crystal is added Cover melt liquid level；
（2）Melt is continuously heating to 1100-1200 DEG C, ice crystal is opened wide, addition is baked to 280-320 DEG C of other metals member Element, uses graphite rod to be stirred with 70r/min speed, obtains mixed material a；
（3）Material a is subjected to slagging-off degassing processing, after after miscellaneous gas and the complete emersion melt liquid level of dregs, impurity, liquid is filtered to remove Body, which is poured into mould, obtains alusil alloy shape material；
（4）45MPa high-pressure water jet deburrings are used to alusil alloy shape material, dry method extrusion forming obtains busbar body base material；
（5）Busbar body base material is punched out, flanging, after soldering, carry out the mother that electroplate layer processing obtains bus duct Line.
Embodiment 3.
The bus of the present embodiment bus duct, including the busbar body being made up of alusil alloy, busbar body include following weight hundred Divide the component of ratio：Silicon 3.6%, copper 2.0%, magnesium 0.8%, titanium 0.4%, chromium 0.08%, cerium 0.09%, surplus are aluminium and inevitable Impurity.
The production method of the bus, comprises the following steps：
（1）Aluminium ingot is put into 680 DEG C of heating 20min in graphite crucible and to after all melting, is warming up to 755 DEG C, ice crystal is added Cover melt liquid level；
（2）Melt is continuously heating to 1100-1200 DEG C, ice crystal is opened wide, addition is baked to 280-320 DEG C of other metals member Element, uses graphite rod to be stirred with 80r/min speed, obtains mixed material a；
（3）Material a is subjected to slagging-off degassing processing, after after miscellaneous gas and the complete emersion melt liquid level of dregs, impurity, liquid is filtered to remove Body, which is poured into mould, obtains alusil alloy shape material；
（4）46MPa high-pressure water jet deburrings are used to alusil alloy shape material, dry method extrusion forming obtains busbar body base material；
（5）Busbar body base material is punched out, flanging, after soldering, carry out the mother that electroplating surfaces with tin layer processing obtains bus duct Line.
Embodiment 4.
The bus of the present embodiment bus duct, including the busbar body being made up of alusil alloy, busbar body include following weight hundred Divide the component of ratio：Silicon 4.8%, copper 2.2%, magnesium 1.5%, titanium 0.5%, chromium 0.15%, cerium 0.16%, surplus are aluminium and inevitable Impurity.
The production method of the bus, comprises the following steps：
（1）Aluminium ingot is put into 680 DEG C of heating 20min in graphite crucible and to after all melting, is warming up to 755 DEG C, ice crystal is added Cover melt liquid level；
（2）Melt is continuously heating to 1100-1200 DEG C, ice crystal is opened wide, addition is baked to 280-320 DEG C of other metals member Element, uses graphite rod to be stirred with 80r/min speed, obtains mixed material a；
（3）Material a is subjected to slagging-off degassing processing, after after miscellaneous gas and the complete emersion melt liquid level of dregs, impurity, liquid is filtered to remove Body, which is poured into mould, obtains alusil alloy shape material；
（4）46MPa high-pressure water jet deburrings are used to alusil alloy shape material, dry method extrusion forming obtains busbar body base material；
（5）Busbar body base material is punched out, flanging, after soldering, carry out the mother that electroplating surfaces with tin layer processing obtains bus duct Line.
Embodiment 5.
The bus of the present embodiment bus duct, including the busbar body being made up of alusil alloy, busbar body include following weight hundred Divide the component of ratio：Silicon 5.6%, copper 2.5%, magnesium 1.2%, titanium 0.6%, chromium 0.10%, cerium 0.12%, surplus are aluminium and inevitable Impurity.
The production method of the bus, comprises the following steps：
（1）Aluminium ingot is put into 680 DEG C of heating 20min in graphite crucible and to after all melting, is warming up to 760 DEG C, ice crystal is added Cover melt liquid level；
（2）Melt is continuously heating to 1100-1200 DEG C, ice crystal is opened wide, addition is baked to 280-320 DEG C of other metals member Element, uses graphite rod to be stirred with 80r/min speed, obtains mixed material a；
（3）Material a is subjected to slagging-off degassing processing, after after miscellaneous gas and the complete emersion melt liquid level of dregs, impurity, liquid is filtered to remove Body, which is poured into mould, obtains alusil alloy shape material；
（4）50MPa high-pressure water jet deburrings are used to alusil alloy shape material, dry method extrusion forming obtains busbar body base material；
（5）Busbar body base material is punched out, flanging, after soldering, carry out the mother that electroplating surfaces with tin layer processing obtains bus duct Line.
Embodiment 6.
Performance test：Conductance is carried out to above-described embodiment 1-5 bus, stretching is slight, yield strength test, wherein, Control group 1 uses the bus that fine aluminium is made, and control group 2 uses the bus that fine copper is made.The specific data such as institute of table 1 Show.
The bus conductance of table 1., stretching is slight, yield strength test result
Group Conductance（%IACS） Tensile strength（MPa） Yield strength（MPa）
Control group 1 32 125 126
Control group 2 46 146 134
Embodiment 1 65 226 187
Embodiment 2 58 214 176
Embodiment 3 56 198 172
Embodiment 4 57 206 178
Embodiment 5 52 182 164
As can be seen from Table 1, compared with bus made from fine aluminium, fine copper, the bus conductance of the embodiment of the present invention, stretching are light Degree, yield strength are greatly improved, and are adapted to large-scale production.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (9)

1. a kind of bus of bus duct, including the busbar body being made up of alusil alloy, it is characterised in that the busbar body bag Include the component of following percentage by weight：Silicon 3.2~5.6%, copper 1.8~2.5%, magnesium 0.8~1.5%, titanium 0.3~0.6%, chromium 0.06 ~0.15%, cerium 0.05~0.16%, surplus is aluminium and inevitable impurity.
2. the bus of bus duct according to claim 1, it is characterised in that the busbar body includes following weight percent The component of ratio：Silicon 4.5%, copper 2.2%, magnesium 1.0%, titanium 0.5%, chromium 0.09%, cerium 0.07%, surplus are aluminium and inevitably miscellaneous Matter.
3. a kind of production method of bus duct bus according to claim 1 or 2, it is characterised in that comprise the following steps：
（1）Aluminium ingot is put into graphite crucible and is heated to after all fusings, ice crystal covering melt liquid level is added；
（2）Melt is continuously heating to 1100-1200 DEG C, ice crystal is opened wide, addition is baked to 280-320 DEG C of other metals member Element, is stirred using graphite rod, obtains mixed material a；
（3）Material a is subjected to slagging-off degassing processing, after after miscellaneous gas and the complete emersion melt liquid level of dregs, impurity, liquid is filtered to remove Body, which is poured into mould, obtains alusil alloy shape material；
（4）High-pressure water jet deburring is used to alusil alloy shape material, dry method extrusion forming obtains busbar body base material；
（5）Busbar body base material is punched out, flanging, after soldering, carry out the bus that overlay coating processing obtains bus duct.
4. the production method of bus duct bus according to claim 3, it is characterised in that the step（1）Aluminium ingot is heated The condition of fusing is 660-680 DEG C of heating 20-30min.
5. the production method of bus duct bus according to claim 3, it is characterised in that the step（1）Add ice crystal Melt temperature is risen to 750-760 DEG C before stone.
6. the production method of bus duct bus according to claim 3, it is characterised in that the step（2）Graphite rod Mixing speed is 60-80r/min.
7. the production method of bus duct bus according to claim 3, it is characterised in that the step（4）High pressure water jets The hydraulic pressure for shooting burr is 40-50Mpa.
8. the production method of bus duct bus according to claim 3, it is characterised in that the step（5）Overlay coating Use for silver layer or tin layers.
9. the production method of bus duct bus according to claim 3, it is characterised in that the step（5）Obtained mother The conductance of line is more than 55%IACS, and tensile strength is more than 180Mpa, and yield strength is more than 160Mpa.
CN201710181045.7A 2017-03-24 2017-03-24 The bus and its production method of a kind of bus duct Withdrawn CN107093496A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107723489A (en) * 2017-10-10 2018-02-23 江苏众众热能科技有限公司 A kind of high-strength high-conductivity bus production method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007023357A (en) * 2005-07-19 2007-02-01 Kobe Steel Ltd Copper alloy plate to be electrically connected through wire
US8465679B2 (en) * 2009-08-04 2013-06-18 Precursor Energetics, Inc. Methods for CAIGAS aluminum-containing photovoltaics
CN103474124A (en) * 2013-09-18 2013-12-25 江苏江捷电力器材有限公司 Bus of bus duct and manufacturing method thereof
CN103526085A (en) * 2013-11-01 2014-01-22 邹平宏皓工业型材科技有限公司 Wear-proof aluminum alloy

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007023357A (en) * 2005-07-19 2007-02-01 Kobe Steel Ltd Copper alloy plate to be electrically connected through wire
US8465679B2 (en) * 2009-08-04 2013-06-18 Precursor Energetics, Inc. Methods for CAIGAS aluminum-containing photovoltaics
CN103474124A (en) * 2013-09-18 2013-12-25 江苏江捷电力器材有限公司 Bus of bus duct and manufacturing method thereof
CN103526085A (en) * 2013-11-01 2014-01-22 邹平宏皓工业型材科技有限公司 Wear-proof aluminum alloy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107723489A (en) * 2017-10-10 2018-02-23 江苏众众热能科技有限公司 A kind of high-strength high-conductivity bus production method

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