CN108418001A - A kind of connector of copper tip and aluminum conductor - Google Patents
A kind of connector of copper tip and aluminum conductor Download PDFInfo
- Publication number
- CN108418001A CN108418001A CN201810149217.7A CN201810149217A CN108418001A CN 108418001 A CN108418001 A CN 108418001A CN 201810149217 A CN201810149217 A CN 201810149217A CN 108418001 A CN108418001 A CN 108418001A
- Authority
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- China
- Prior art keywords
- connector
- aluminum conductor
- copper tip
- copper
- protective layer
- 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.)
- Pending
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 138
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 127
- 239000010949 copper Substances 0.000 title claims abstract description 127
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 239000004020 conductor Substances 0.000 title claims abstract description 99
- 239000011241 protective layer Substances 0.000 claims abstract description 45
- 239000004411 aluminium Substances 0.000 claims abstract description 36
- 238000001465 metallisation Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims description 49
- 238000003466 welding Methods 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 239000011162 core material Substances 0.000 claims description 11
- 229920002521 macromolecule Polymers 0.000 claims description 9
- 238000001746 injection moulding Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 229920001187 thermosetting polymer Polymers 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- 238000010891 electric arc Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 239000011135 tin Substances 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000003647 oxidation Effects 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 7
- 238000006056 electrooxidation reaction Methods 0.000 description 5
- 239000004831 Hot glue Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- -1 alternatively Chemical compound 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229910001148 Al-Li alloy Inorganic materials 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 1
- FCVHBUFELUXTLR-UHFFFAOYSA-N [Li].[AlH3] Chemical compound [Li].[AlH3] FCVHBUFELUXTLR-UHFFFAOYSA-N 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 150000001398 aluminium Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical class [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
- H01R4/625—Soldered or welded connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
- H01R4/72—Insulation of connections using a heat shrinking insulating sleeve
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention discloses the connectors of a kind of copper tip and aluminum conductor, the copper tip includes the first connector, and the second connector being connected with first connector, second connector is the fixed area that copper tip is connected with power device, and first connector is the region that copper tip is connected with aluminum conductor；The core of leading of the aluminum conductor is connected with the first connector by spaced metallization, and insulating protective layer is also provided at least partly at the connection position of the aluminum conductor and the first connector.The connector, so can completely cut off air and water at core connection position in copper tip and leading for aluminum conductor, reduces the oxidation corrosion of copper aluminium, extending connector service life, and greatly increase usage safety performance due to being provided with insulating protective layer.
Description
Technical field
A kind of copper tip that the present invention relates to harness technical fields more particularly to use in vehicle harness and aluminum conductor
Connector.
Background technology
Copper have good electric conductivity, thermal conductivity, plasticity and be widely used.However, copper resource is short, copper is of high cost.
For this purpose, people begin look for the substitute of copper to reduce cost.Aluminium price is relatively low, and equally have excellent electric conductivity,
Heat conduction and plastic processing, therefore, replacing copper with aluminium are the main trends developed at present, but certain performances of aluminium are still not so good as copper
It is excellent, many components still cannot complete replacing copper with aluminium, therefore there are the connector connections between al member and copper component.Example
Such as, it is used as cable by the conducting wire that aluminium class material is constituted, in the copper component by this cable connection on various electric devices
When, or when being attached mutually with copper cable, connected by various modes in copper aluminium contact jaw.
Metallic aluminium price opposing metallic copper is relatively low, and equally has excellent electric conductivity, heat conduction and plastic processing, in phase
In the case of same conducting electric current, the weight of aluminum steel beam is about the one third of copper wire beam.But aluminum conductor also has serious problem
The development of aluminum steel beam is constrained, first, the material is soft for metallic aluminium, and is highly prone to corrode, therefore cannot function as the connection of electrical appliance
Terminal uses；Second is that using copper tip as the connection terminal of electrical appliance, the metal-inert of copper is greater than aluminium, between copper and aluminium
Difference in Electrode Potential is 1.9997V, after being directly connected to, electrochemical reaction is will produce between copper aluminium, aluminum steel is perishable and leads to function
Failure.
Therefore, automotive wire bundle industry will reach energy-saving and emission-reduction using aluminum steel beam in batches at present, reduce price, just have to
Solve the problems, such as the electrochemical corrosion that copper tip is connect with aluminum conductor.
For this purpose, Chinese invention patent application CN201710414601.0 discloses a kind of connector of copper tip and aluminum conductor,
In order to be reduced or avoided copper tip and aluminum conductor connector electrochemical corrosion, the connector of copper tip and aluminum conductor lead core
Between connected by spaced metallization.But the connector of this copper tip and aluminum conductor not yet completely cuts off air and water, in conduction
In the case of, in the marginal position of copper tip and aluminum conductor, or primary battery can be formed with moist water, to accelerate copper aluminium
Oxidation corrosion reduces the service life of connector.Moreover, containing salt in the air of coastal cities, contact can quilt for a long time for aluminum conductor
Salt air corrosion makes resistance increase, and can be that disabler even burns vehicle when serious, security performance is poor.
Invention content
For overcome the deficiencies in the prior art, technical problem solved by the invention is to provide a kind of copper tip and aluminum conductor
Connector, air and water can be completely cut off at core connection position in leading for copper tip and aluminum conductor, the oxidation corrosion of copper aluminium is reduced, extend
Connector service life, and greatly improve usage safety performance.
In order to solve the above technical problems, the technical solution adopted in the present invention content is specific as follows：
A kind of connector of copper tip and aluminum conductor, the copper tip includes the first connector, and is connect with described first
The second connected connector of part, the fixed area that second connector is connected for copper tip with power device, described first
Connector is the region that copper tip is connected with aluminum conductor；The aluminum conductor lead core and the first connector passes through spaced metallization
Connect, insulating protective layer is also provided at least partly at the connection position of the aluminum conductor and the first connector.
Preferably, the insulating protective layer is collapsible tube.
Further, the collapsible tube is the heat-shrink tube with hose lining.
Preferably, the material of the insulating protective layer is thermoplastic macromolecule material.
Alternatively, the material of the insulating protective layer is thermoset macromolecule material.
Alternatively, the material of the insulating protective layer is cure high molecular material.
Further, the cure high molecular material is silicon rubber.
Alternatively, the insulating protective layer is mainly made by coatings.
Further, the coatings are at least insulated paint, PTFE coating, impregnating resin, adhesive-contented mica tape, insulation pottery
One kind in porcelain coating.
Preferably, the length of insulating protective layer is at least 1mm.
Preferably, the material of the copper tip is copper or copper alloy, and the core material of leading of the aluminum conductor is aluminum or aluminum alloy.
Preferably, the copper tip be flat solid terminal, open end, tubular terminal or solid copper conductor one
End.
Preferably, the aluminum conductor is single aluminum conductor or multicore aluminum conductor.
Preferably, the electrode potential of the spaced metallization material is between copper and the electrode potential of aluminium, alternatively, and copper
Or the electrode potential of aluminium is equal.
Preferably, the material of the spaced metallization is at least in nickel, cadmium, zirconium, chromium, manganese, aluminium, copper, tin, titanium, zinc, cobalt
It is a kind of.
Preferably, the material of the spaced metallization is at least one kind in aluminium, nickel and zinc.
Preferably, the material of the spaced metallization is the combination of gold or silver or both.
Further, the spaced metallization passes through plating, magnetic discharge welding, electric arc spraying, friction welding (FW), supersonic welding, electric arc
The mode of weldering or pressure welding is fixed on the position including at least welding region of copper tip to be welded or aluminum conductor.
Preferably, mode of heating is used after the collapsible tube is inserted at the connection position of the aluminum conductor and the first connector again
So that the collapsible tube is shunk and attaches the connection position.
Alternatively, the insulating protective layer squeeze out extrusion molding or low-temp low-pressure injection molding or injection molding by way of, mating mold
By the high molecular material solidifying and setting at the connection position of the aluminum conductor and the first connector.
Alternatively, the coatings are coated in the aluminum conductor by the insulating protective layer by way of spraying or brushing
At the connection position of the first connector.
Compared with prior art, the beneficial effects of the present invention are：
1. the copper tip of the present invention and the connector of aluminum conductor are at the connection position of aluminum conductor and the first connector of copper tip
It is provided with insulating protective layer at least partly, to completely cut off air and water at the connection position, reduces the oxidation corrosion of copper aluminium,
Extending connector service life, and greatly improve usage safety performance.
2. when the insulating protective layer is the internal collapsible tube for carrying hot melt adhesive, hot melt adhesive integrally will in a heated state
The junction of copper tip and aluminum conductor all coats, and can play the role of completely cutting off air and water, considerably reduce copper tip
Electrochemical corrosion between aluminum conductor.
3. the length of insulating protective layer is at least 1mm, so that it is guaranteed that insulating protective layer can effectively cover copper tip and aluminium
The join domain of conducting wire, and can guarantee that water and air does not enter the join domain, if insulating protective layer length is less than
1mm can not then protect the join domain completely, corrode so as to cause connector.
4. the electrode potential of the spaced metallization material is between copper and the electrode potential of aluminium, alternatively, with copper or aluminium
Electrode potential it is equal.Since the electrode potential difference between metal is bigger, electrochemical corrosion is more serious, the electrode between copper aluminium
Potential difference is very big, therefore galvano-cautery can occur quickly and reduce service life, increases electrode electricity between copper tip and aluminum conductor
Metal of the position between copper and aluminium can slow down galvano-cautery as spaced metallization, to the service life of extending connector.
Above description is only the general introduction of inventive technique scheme, in order to better understand the technical means of the present invention, and
It can be implemented in accordance with the contents of the specification, and in order to allow the above and other objects, features and advantages of the present invention can be more
It becomes apparent, it is special below to lift preferred embodiment, and coordinate attached drawing, detailed description are as follows.
Description of the drawings
Fig. 1 is the structural schematic diagram of the first more preferably embodiment of the copper tip of the present invention；
Fig. 2 is the structural schematic diagram of the first more preferably embodiment of the copper tip and the connector of aluminum conductor of the present invention；
Fig. 3 is the structural schematic diagram of second of the copper tip more preferably embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the copper tip of the present invention and second of the connector more preferably embodiment of aluminum conductor；
Fig. 5 is the structural schematic diagram of the third more preferably embodiment of the copper tip of the present invention；
Fig. 6 is the structural representation of the third more preferably embodiment of the copper tip and the connector of aluminum conductor of the present invention；
Fig. 7 is the structural schematic diagram of the 4th kind of the copper tip more preferably embodiment of the present invention；
Fig. 8 is the structural schematic diagram of the copper tip of the present invention and the 4th kind of the connector more preferably embodiment of aluminum conductor.
Wherein, each reference numeral is：1, copper tip；2, spaced metallization；3, insulating protective layer；4, aluminum conductor 4.
Specific implementation mode
It is of the invention to reach the technological means and effect that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to specific implementation mode, structure, feature and its effect according to the present invention, detailed description are as follows：
Embodiment one
The first of the connector of copper tip of the present invention 1 and aluminum conductor 4 as shown in Figure 2 more preferably embodiment, it is described
Copper tip 1 contains the first connector, and the second connector being connected with the first connector, the aluminum conductor 4 lead core and copper
First connector of terminal 1 is connected by spaced metallization 2, is at least partly set at the conducting wire and the connection position of the first connector
It is equipped with insulating protective layer 3.And in the present embodiment, it is coated with insulating protective layer 3 entirely at the preferably described connection position.
Connection position of the connector of copper tip 1 and aluminum conductor 4 of the invention in aluminum conductor 4 and the first connector of copper tip 1
Setting insulating protective layer 3 in place's reduces the oxidation corrosion of copper aluminium, extending connector to completely cut off air and water at the connection position
Service life, and greatly improve usage safety performance.
In order to simplify structure, the insulating protective layer 3 is collapsible tube.In the present embodiment, the collapsible tube is band internal layer
The heat-shrink tube of hot melt adhesive.Hot melt adhesive integrally all coats the junction of copper tip 1 and aluminum conductor 4 in a heated state, can
Play the role of completely cutting off air and water, considerably reduces the oxidation corrosion between copper tip 1 and aluminum conductor 4.Moreover, when described
Insulating protective layer 3 be collapsible tube when, the collapsible tube be inserted in the aluminum conductor 4 at the connection position of the first connector after use again
Mode of heating makes the collapsible tube shrink and attaches the connection position.
In the present embodiment, the material of the insulating protective layer 3 is thermoplastic macromolecule material.The thermal plastic high polymer
Material includes PE, PP, PS, PMMA, PVC, PA, PU, PTFE, PET etc..It can be sent out when heated using thermoplastic macromolecule material
Raw flow deformation, keeps certain shape, so being easy to the processing and formings such as be squeezed out, injected or be blow molded after cooling.
Alternatively, the material of the insulating protective layer 3 is thermoset macromolecule material.The thermoset macromolecule material includes
Silicone rubber, Lauxite, melmac, unsaturated polyester resin, epoxy resin, organic siliconresin, gathers phenolic resin
Urethane etc. is mainly used for compression moulding, extrusion molding, injection moulding.Silicone, epoxy resin etc., mainly as low-pressure extrusion encapsulation electronics member
The purposes such as part and castable.
Or the material of the insulating protective layer 3 is cure high molecular material.The cure high molecular material packet
Include polyisoprene, butyl rubber, butadiene rubber, neoprene, ethylene propylene diene rubber, acrylic rubber, polyurethane rubber,
Silicon rubber, fluorubber etc..Rubber is a kind of line style flexible macromolecule polymer.Its molecule interchain time valence power is small, and strand is soft
Property it is good, can be generated under external force compared with large deformation, can be restored to the original state rapidly after removing external force.
Wherein, the cure high molecular material is preferably silicon rubber.Since silicon rubber has excellent heat resistance, cold-resistant
Property, performances, the silicon rubber performance outstanding such as dielectricity, resistance to ozone and resistance to atmospheric aging be temperature in use broadness, can be at -60 DEG C
It is used for a long time at (or lower temperature) to+250 DEG C (or higher temperature).
Also, it is described when the material of the insulating protective layer 3 is thermoplasticity or thermosetting property or cure high molecular material
For insulating protective layer by way of extrusion or the injection molding of extrusion molding or low-temp low-pressure or injection molding, mating mold consolidates the high molecular material
Change sizing at the connection position of the aluminum conductor 4 and the first connector.
Again alternatively, the insulating protective layer 3 is mainly made by coatings.Its advantage is as follows：
1, processing is more convenient, and using brushing or spraying, working hour is saved than injection molding.
2, the thickness of insulating protective layer can reach 1mm hereinafter, and disclosure satisfy that insulating requirements with very little.
3, heat-resist, it can reach 1700 DEG C.
4, hardness is high, can reach the hardness of 7H.
It is applied it is preferred that the coatings are at least insulated paint, PTFE coating, impregnating resin, adhesive-contented mica tape, insulating ceramics
One kind in material.
Also, when the insulating protective layer 3 is mainly made by coatings, the insulating protective layer 3 passes through spray
The coatings are coated at the connection position of the aluminum conductor 4 and the first connector by the mode for applying or brushing.
In the present embodiment, the length of insulating protective layer 3 is at least 1mm, so that it is guaranteed that insulating protective layer 3 can be effective
The join domain of copper tip 1 and aluminum conductor 4 is covered, and can guarantee that water and air does not enter the join domain, if insulation
3 length of protective layer is less than 1mm, then can not protect the join domain completely, corrodes so as to cause connector.
The insulating protective layer under different length can be obtained through a series of creative systematicness experiments of inventor
Electricity and data of mechanical, refer to following table：
It can be obtained from above-mentioned experimental data, when the length of insulating protective layer is less than 1.0mm, insulating protective layer can not
Protect the join domain completely, cause connector pulling capacity and voltage drop after salt spray test, performance drastically declines,
The mechanical property and electrical performance requirements of connector cannot be met, therefore, the length of insulating protective layer is selected at least in the present embodiment
For 1mm.
And the material of the copper tip 1 is copper or copper alloy, the core material of leading of the aluminum conductor 4 is aluminum or aluminum alloy.Its
In, the copper alloy includes copper-tin alloy, ormolu, corronil, albronze etc., and the aluminium alloy includes that aluminium silicon closes
Gold, aluminium copper, almag, aluminium lithium alloy, alumal, alumin(i)um zinc alloy and Al rare earth alloy.
The electrode potential of 2 material of the spaced metallization is between copper and the electrode potential of aluminium, alternatively, with copper or aluminium
Electrode potential is equal.Since the electrode potential difference between metal is bigger, electrochemical corrosion is more serious, the electrode electricity between copper aluminium
Position is widely different, therefore galvano-cautery can occur quickly and reduce service life, increases electrode electricity between copper tip 1 and aluminum conductor 4
Metal of the position between copper and aluminium can slow down galvano-cautery as spaced metallization 2, to the service life of extending connector.
In the present embodiment the material of the preferably spaced metallization 2 be at least nickel, cadmium, zirconium, chromium, manganese, aluminium, copper, tin,
One kind in titanium, zinc, cobalt, so that it is more stable to be formed by 2 chemical property of spaced metallization.The more preferably described interval gold
The material for belonging to layer 2 is at least one kind in aluminium, nickel and zinc, not only can be easy to buy on the market, and can compared to other
The metal price of choosing is cheaper, and sexual valence is relatively high.
Alternatively, the material of the spaced metallization 2 is the combination of gold or silver or both.Since gold or silver are that electric conductivity is fabulous
Metal material, and its chemical property is sufficiently stable, electrochemical reaction will not occur with other metals substantially, therefore can make
For the material of spaced metallization 2.
The spaced metallization 2 passes through plating, magnetic discharge welding, electric arc spraying, friction welding (FW), supersonic welding, arc welding or pressure welding
Mode be fixed on the position including at least welding region of copper tip 1 to be welded or aluminum conductor 4.
And in order to simplify structure, as shown in Figure 1, the copper tip 1 is one end that the copper tip 1 is solid copper conductor,
The aluminum conductor 4 is single aluminum conductor 4.In the present embodiment, the top half of one end of the solid copper conductor is for connecting
Electrical equipment, the top half are rounded.In another embodiment, as shown in Fig. 2, the top half is in polygon, more
Preferably quadrangle.
Embodiment two
The more preferably embodiment of second of the connector shown in Fig. 4 for being the copper tip 1 of the present invention and aluminum conductor 4, with
Unique difference of the first more preferably embodiment shown in Fig. 2 is：As shown in figure 3, the copper tip 1 is open end
Son, the aluminum conductor 4 are multicore aluminum conductor 4.The described multicore specifically refers to two or more cores wherein in the present embodiment
Line.When installation, the multicore aluminium, which is led, to be connect with opening conducting wire by crimping mode.
Embodiment three
The third more preferably embodiment of the connector of copper tip 1 and the aluminum conductor 4 shown in fig. 6 for being the present invention, with
Unique difference of the first more preferably embodiment shown in Fig. 2 is：As shown in figure 5, the copper tip 1 is flat solid
Terminal, the aluminum conductor 4 are multicore aluminum conductor 4.The described multicore specifically refers to two or more wherein in the present embodiment
Core wire.
Example IV
The more preferably embodiment of the 4th kind of the connector shown in Fig. 8 for being the copper tip 1 of the present invention and aluminum conductor 4, with
Unique difference of the first more preferably embodiment shown in Fig. 2 is：As shown in fig. 7, the copper tip 1 is tubular end
Son, in the present embodiment, the tubular terminal preferably drum terminal, the aluminum conductor 4 is multicore aluminum conductor 4.Wherein this implementation
The described multicore specifically refers to two or more core wires in example.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (21)
1. the connector of a kind of copper tip and aluminum conductor, the copper tip includes the first connector, and with first connector
The second connected connector, second connector are the fixed area that copper tip is connected with power device, and described first connects
Fitting is the region that copper tip is connected with aluminum conductor；The core of leading of the aluminum conductor passes through spaced metallization phase with the first connector
It connects, it is characterised in that：It is also provided with insulating protective layer at least partly at the connection position of the aluminum conductor and the first connector.
2. the connector of copper tip according to claim 1 and aluminum conductor, it is characterised in that：The insulating protective layer is to shrink
Pipe.
3. the connector of copper tip according to claim 2 and aluminum conductor, it is characterised in that：The collapsible tube is band hose lining
Heat-shrink tube.
4. the connector of copper tip according to claim 1 and aluminum conductor, it is characterised in that：The material of the insulating protective layer
For thermoplastic macromolecule material.
5. the connector of copper tip according to claim 1 and aluminum conductor, it is characterised in that：The material of the insulating protective layer
For thermoset macromolecule material.
6. the connector of copper tip according to claim 1 and aluminum conductor, it is characterised in that：The material of the insulating protective layer
For cure high molecular material.
7. the connector of copper tip and aluminum conductor according to claim 6, it is characterised in that：The cure high molecular material is
Silicon rubber.
8. the connector of copper tip according to claim 1 and aluminum conductor, it is characterised in that：The insulating protective layer mainly by
Coatings are made.
9. the connector of copper tip according to claim 8 and aluminum conductor, it is characterised in that：The coatings are at least exhausted
One kind in edge paint, PTFE coating, impregnating resin, adhesive-contented mica tape, insulating ceramics coating.
10. the connector of the copper tip and aluminum conductor according to claim 1-9 any one, it is characterised in that：Insulation protection
The length of layer is at least 1mm.
11. the connector of copper tip according to claim 1 and aluminum conductor, it is characterised in that：The material of the copper tip is
The core material of leading of copper or copper alloy, the aluminum conductor is aluminum or aluminum alloy.
12. the connector of copper tip according to claim 1 and aluminum conductor, it is characterised in that：The copper tip is flat reality
One end of heart terminal, open end, tubular terminal or solid copper conductor.
13. the connector of copper tip according to claim 1 and aluminum conductor, it is characterised in that：The aluminum conductor is single aluminium
Conducting wire or multicore aluminum conductor.
14. the connector of copper tip according to claim 1 and aluminum conductor, it is characterised in that：The spaced metallization material
Electrode potential between copper and the electrode potential of aluminium, alternatively, equal with the electrode potential of copper or aluminium.
15. the connector of copper tip according to claim 14 and aluminum conductor, it is characterised in that：The material of the spaced metallization
Matter is at least one kind in nickel, cadmium, zirconium, chromium, manganese, aluminium, copper, tin, titanium, zinc, cobalt.
16. the connector of copper tip according to claim 15 and aluminum conductor, it is characterised in that：The material of the spaced metallization
Matter is at least one kind in aluminium, nickel and zinc.
17. the connector of copper tip according to claim 1 and aluminum conductor, it is characterised in that：The material of the spaced metallization
Matter is the combination of gold or silver or both.
18. the connector of the copper tip and aluminum conductor according to claim 14-17 any one, it is characterised in that：Described
It is fixed on by way of plating, magnetic discharge welding, electric arc spraying, friction welding (FW), supersonic welding, arc welding or pressure welding every metal layer to be welded
On the position including at least welding region of the copper tip or aluminum conductor that connect.
19. the connector of copper tip according to claim 2 or 3 and aluminum conductor, it is characterised in that：The collapsible tube is inserted in institute
Mode of heating is used so that the collapsible tube is shunk and attach the connection again after stating at the connection position of aluminum conductor and the first connector
Position.
20. the connector of the copper tip and aluminum conductor described according to claim 4 or 5 or 6 or 7, it is characterised in that：The insulation is protected
Sheath squeeze out or extrusion molding or low-temp low-pressure injection molding or injection molding by way of, mating mold is by the high molecular material solidifying and setting
At the connection position of the aluminum conductor and the first connector.
21. the connector of copper tip and aluminum conductor according to claim 8 or claim 9, it is characterised in that：The insulating protective layer is logical
It crosses spraying or the coatings is coated at the connection position of the aluminum conductor and the first connector by the mode brushed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810149217.7A CN108418001A (en) | 2018-02-13 | 2018-02-13 | A kind of connector of copper tip and aluminum conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810149217.7A CN108418001A (en) | 2018-02-13 | 2018-02-13 | A kind of connector of copper tip and aluminum conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108418001A true CN108418001A (en) | 2018-08-17 |
Family
ID=63128734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810149217.7A Pending CN108418001A (en) | 2018-02-13 | 2018-02-13 | A kind of connector of copper tip and aluminum conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108418001A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109802261A (en) * | 2019-01-09 | 2019-05-24 | 宁国市兴源橡胶制品有限公司 | A kind of new-energy automotive air-conditioning light current connector inserts |
| CN110098499A (en) * | 2019-04-25 | 2019-08-06 | 吉林省中赢高科技有限公司 | A kind of conductor terminal and preparation method thereof |
| CN110098500A (en) * | 2019-04-25 | 2019-08-06 | 吉林省中赢高科技有限公司 | A kind of conductor terminal and preparation method thereof |
| CN110190412A (en) * | 2019-04-25 | 2019-08-30 | 吉林省中赢高科技有限公司 | A copper-aluminum terminal |
| CN110224240A (en) * | 2019-04-25 | 2019-09-10 | 吉林省中赢高科技有限公司 | A kind of novel aluminum line terminals |
| CN110444987A (en) * | 2019-08-22 | 2019-11-12 | 金杯电工股份有限公司 | Connection method and connection structure between a kind of aluminium alloy automobile cable and copper tip |
| CN110611236A (en) * | 2019-09-16 | 2019-12-24 | 江苏亿能电气有限公司 | Vulcanization process for connecting copper bar in bus duct |
| CN111462946A (en) * | 2020-04-01 | 2020-07-28 | 吉林省中赢高科技有限公司 | Copper-aluminum composite electric energy transmission system and processing method thereof |
| CN111478064A (en) * | 2019-01-23 | 2020-07-31 | 泰科电子(上海)有限公司 | Connecting terminal assemblies with wires and battery packs |
| WO2024222715A1 (en) * | 2023-04-24 | 2024-10-31 | 常州捷翼汽车零部件有限公司 | Multi-coating terminal and conductive structure |
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Address after: No. 957, Shunda Road, Gaoxin District, Changchun City, Jilin Province, 130000 Applicant after: Changchun Jieyi Automobile Technology Co.,Ltd. Address before: 130000 957 Shunda Road, Changchun hi tech Development Zone, Jilin Applicant before: CHANGCHUN JIEYI AUTO PARTS CO.,LTD. |
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Application publication date: 20180817 |