CN105741911A - Overlaid insulating flexible busbar - Google Patents

Overlaid insulating flexible busbar Download PDF

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Publication number
CN105741911A
CN105741911A CN201610246753.XA CN201610246753A CN105741911A CN 105741911 A CN105741911 A CN 105741911A CN 201610246753 A CN201610246753 A CN 201610246753A CN 105741911 A CN105741911 A CN 105741911A
Authority
CN
China
Prior art keywords
copper
flexible coupling
copper bar
bus bar
bar
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
Application number
CN201610246753.XA
Other languages
Chinese (zh)
Inventor
朱国清
杨建锋
夏景须
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.)
SUZHOU CURRENT POWER TECHNOLOGY Co Ltd
Original Assignee
SUZHOU CURRENT POWER TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SUZHOU CURRENT POWER TECHNOLOGY Co Ltd filed Critical SUZHOU CURRENT POWER TECHNOLOGY Co Ltd
Priority to CN201610246753.XA priority Critical patent/CN105741911A/en
Publication of CN105741911A publication Critical patent/CN105741911A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00Power cables
    • H01B9/006Constructional features relating to the conductors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/09Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/20Layered products comprising a layer of metal comprising aluminium or copper
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/42Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
    • H01B3/421Polyesters

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

Disclosed is an overlaid insulating flexible busbar. The overlaid insulating flexible busbar comprises at least three layers of soft connecting copper bars, wherein fixed connecting parts are arranged at the two ends of the soft connecting copper bars; the soft connecting copper bars and the fixed connecting parts are both made from a T2 pure copper material; the fixed connecting parts are arranged at the two ends of the overlaid insulating flexible busbar; the soft connecting copper bars are arranged in the middle of the overlaid insulating flexible busbar, and the two ends of the soft connecting copper bars are connected with the inner side ends of the fixed connecting parts; the soft connecting copper bars comprise multiple layers of copper coil layers which are overlaid together; an upper insulating layer and a lower insulating layer are fixedly arranged on the top surface and the bottom surface of the overlaid multiple layers of copper coil layers; and the two ends of the multiple layers of copper foil layers are welded on the inner side ends of the two fixed connecting parts by adopting high-molecular diffusion welding or ultrasonic wave welding. The busbar can be connected in different positions, at different heights, in different planes and multiple positions; in addition, the busbar is high in vibration resistance, and firm in connection; for example, the loosening or falling off of the connecting parts at the end parts of battery packs, a driving motor and a control unit are prevented even if an electric vehicle is under vibration constantly in a running process.

Description

One laminates insulation flexible bus bar
Technical field
The present invention relates to power supplying and distributing equipment field, be specifically related to one and laminate insulation flexible bus bar.
Background technology
At present, it is adopt being flexible coupling of cable or Insulating heat shrink set of cells and set of cells to be coupled together at new-energy automobile industry, electric automobile and plug-in increasing journey automobile;At charhing unit, being adopt cable or copper bar that alternating current is connected to the high-power components such as inversion unit and IGBT, the connection in control unit and drive motor is to adopt cable power transmission.To industries such as uninterrupted power sources, exposed copper bar is adopted to carry out distribution.And at the direct current of the industry such as wind-power electricity generation, solar electrical energy generation to exchange, or in the inversion unit of AC-to DC, be also adopt exposed copper bar or between copper bar, add epoxy resin board carry out insulating or adopt stack bus bar to carry out distribution.
But, ceaselessly vibrate owing to electric automobile runs in way, between set of cells, vibration between drive motor and control unit can cause the coupling part of end to loosen, even result in and come off, and owing to electric current is very big, cause that cable needs are very thick, cable automotive interior turn round and connect up assembling very chaotic, temperature is higher;The kind that is flexible coupling adopting Insulating heat shrink is too many, it is easy to by mistake;To using the wind-power electricity generation of IGBT, solar electrical energy generation industry, adopt exposed copper bar or between copper bar, add epoxy resin board and adopt stack bus bar to carry out insulative distributing, fitted position between row and row requires height, it is more difficult that assembled in situ regulates, ambient temperature will also result in expanding with heat and contract with cold of stack bus bar along with Four seasons change, thus causing the change of installation dimension and affecting use.
Therefore, how to solve the unstable problem of the electrical connection under above-mentioned vibration environment, be industry relevant personnel technical problems urgently to be resolved hurrily.
Summary of the invention
For solving above-mentioned technical problem, we have proposed one and laminate insulation flexible bus bar, with reach bus bar can in different orientation, differing heights, the connection in Different Plane and multiple orientation, and the purpose that good anti-vibration is connected firmly.
For reaching above-mentioned purpose, technical scheme is as follows:
One laminates insulation flexible bus bar, it is flexible coupling copper bar including at least three layers, the described copper bar two ends that are flexible coupling are provided with fixing connecting portion, and it is flexible coupling copper bar and fixing connecting portion is T2 fine copper material, described fixing connecting portion is located at and is laminated insulation flexible bus bar two ends, the described copper bar that is flexible coupling is located at and is laminated in the middle of insulation flexible bus bar, and the copper bar two ends that are flexible coupling are connected with fixing connecting portion medial extremity respectively;
The described copper bar that is flexible coupling includes the coarctate copper foil layer of multi-laminate, multiple layer of copper layers of foil end face and bottom surface after laminating are installed with insulating barrier and lower insulating barrier respectively, and multiple layer of copper layers of foil adopts macromolecule diffusion welding (DW) or ultrasonic welding process that its two ends are welded on two fixing connecting portion medial extremitys.
Preferably, described upper insulating barrier and lower insulating barrier are single layer coating the PET film of thermosetting epoxy resin glue.
Preferably, the thickness of described Copper Foil is 0.05-0.2 millimeter.
Preferably, the copper bar that is flexible coupling described in be welded on fixing connecting portion by multilayer copper foil solidification by macromolecule diffusion welding (DW) or ultrasonic bonding, punching, crimping rivet and plating.
Preferably, the described insulation flexible bus bar that laminates adds man-hour, it is in lower thermoset mold, put the PET film that the one side of well cutting shape and size contains thermosetting epoxy resin glue, containing thermosetting epoxy resin glue one faces up, be flexible coupling copper bar again by least three layers electroplated, be flexible coupling copper bar in order with the position of alignment pin, it is placed in the PET film containing thermosetting epoxy resin glue, the PET film of lid last layer thermosetting epoxy resin glue again, containing thermosetting epoxy resin glue surface down, cover thermoset mold to be put into together in hot press, according to heating, insulation, the cure profile curing molding of cooling.
Preferably, described in laminate the brake forming of insulation flexible bus bar, be thermally cured the copper bar that is flexible coupling to be placed on bender and carry out bending, and through high pressure resistant test.
In order to overcome copper bar or laminate expanding with heat and contract with cold of busbar, change in size is relatively big and cable safety is poor, not high the occurred deficiency of the integrated level that is flexible coupling of employing Insulating heat shrink, present invention employing laminates insulating process and carries out pressing and forming to being flexible coupling, and makes the flexible portion being flexible coupling adopt the insulating method of PET film.Technical scheme and processing technology that patent of the present invention adopts provide and laminate insulation flexible bus bar, adopt macromolecule diffusion welding (DW) or ultrasonic welding process that Copper Foil is welded into flexibility to be flexible coupling row, cutting, punching, plating, flexibility being flexible coupling is placed in laminated mold according to art work sheet again, scalable, position single-sided insulation film (PET) that can rotate that flexibility are flexible coupling cover upper and lower two-layer, it is placed in hot press, heating, insulation, cooling curing.Can stretch, the copper bar that is flexible coupling of can rotating divides 3,5 or many to be flexible coupling to be laminated on one piece of busbar, utilizes the scalable feature distorted of flexible copper bar, it is easier to assembling, meets the vibration requirement of automobile.Flexibility is adopted to be flexible coupling for connecting base material, PET dielectric film is insulant, become cabtyre to be flexible coupling bus bar, two pieces or polylith can be stacked use, can also single-piece use, to meet at different orientation such as same plane, differing heights, the connection in Different Plane and multiple orientation, thus reach modern design, rational in infrastructure and apply effective purpose.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of side view laminating insulation flexible bus bar disclosed in the embodiment of the present invention;
Fig. 2 is a kind of enlarged drawing laminating insulation flexible bus bar middle part structure disclosed in the embodiment of the present invention.
Numeral and the corresponding component title represented by letter in figure:
1. the copper bar 12. that the is flexible coupling copper bar 23. that is flexible coupling is flexible coupling copper bar 3
4. 6. times insulating barriers of insulating barrier on fixing connecting portion 5.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
The invention provides one and laminate insulation flexible bus bar, its operation principle is: by described, making security incident have and reduce significantly.
Below in conjunction with embodiment and detailed description of the invention, the present invention is further detailed explanation.
Embodiment.
As depicted in figs. 1 and 2, one laminates insulation flexible bus bar, including the copper bar 1 that is flexible coupling, be flexible coupling copper bar 2 and the copper bar 3 that is flexible coupling, the described copper bar 1 that is flexible coupling, it is flexible coupling copper bar 2 and the two ends of the copper bar 3 that is flexible coupling are provided with fixing connecting portion 4, and the copper bar 1 that is flexible coupling, be flexible coupling copper bar 2 and be flexible coupling copper bar 3 and fixing connecting portion 4 is the T2 fine copper material of semi-hard, described fixing connecting portion 4 is located at and is laminated insulation flexible bus bar two ends, the described copper bar 1 that is flexible coupling, it is flexible coupling copper bar 2 and the copper bar 3 that is flexible coupling is located at and is laminated in the middle of insulation flexible bus bar, and the copper bar 1 that is flexible coupling, it is flexible coupling copper bar 2 and the two ends of the copper bar 3 that is flexible coupling are connected with fixing connecting portion 4 medial extremity respectively;The described copper bar 1 that is flexible coupling, it is flexible coupling copper bar 2 and the copper bar 3 that is flexible coupling all includes the coarctate copper foil layer of multi-laminate, multiple layer of copper layers of foil end face and bottom surface after laminating are installed with insulating barrier 5 and lower insulating barrier 6 respectively, and multiple layer of copper layers of foil adopts macromolecule diffusion welding (DW) or ultrasonic welding process that its two ends are welded on two fixing connecting portion medial extremitys.
Wherein, described upper insulating barrier 5 and lower insulating barrier 6 are single layer coating the PET film of thermosetting epoxy resin glue.The thickness of described Copper Foil is 0.05-0.2 millimeter, to ensure that it has enough flexibilities.The described copper bar 1 that is flexible coupling, it is flexible coupling copper bar 2 and multilayer copper foil is welded on solidification on fixing connecting portion 4, punching, crimping rivet and plating by macromolecule diffusion welding (DW) or ultrasonic bonding by the copper bar 3 that is flexible coupling.The described insulation flexible bus bar that laminates adds man-hour, it is on lower heat cure laminated mold, put the PET film that the one side of well cutting shape and size contains thermosetting epoxy resin glue, containing thermosetting epoxy resin glue one faces up, the copper bar 1 that is flexible coupling will electroplated again, be flexible coupling copper bar 2 and be flexible coupling copper bar 3 in order with the position of alignment pin, it is placed in the PET film containing thermosetting epoxy resin glue, the PET film of lid last layer thermosetting epoxy resin glue again, containing thermosetting epoxy resin glue surface down, cover heat cure laminated mold to be put into together in hot press, according to heating, insulation, the cure profile curing molding of cooling.The described brake forming laminating insulation flexible bus bar, is be thermally cured the copper bar that is flexible coupling to be placed on bender and carry out bending, and through high pressure resistant test.
Therefore, in order to overcome copper bar or laminate expanding with heat and contract with cold of busbar, change in size is relatively big and cable safety is poor, adopt not high the occurred deficiency of the integrated level that is flexible coupling of Insulating heat shrink, originally laminate insulation flexible bus bar to adopt and laminate insulating process and carry out pressing and forming to being flexible coupling, the flexible portion being flexible coupling is made to adopt the insulating method of PET film, adopt macromolecule diffusion welding (DW) or ultrasonic welding process that Copper Foil is welded into flexibility to be flexible coupling row, cutting, punching, plating, flexibility being flexible coupling is placed in laminated mold according to art work sheet again, what flexibility be flexible coupling is scalable, the position single-sided insulation PET film that can rotate covers the bottom of the copper bar 1 that is flexible coupling and the top layer of the copper bar 3 that is flexible coupling, it is placed on again in hot press, heating, insulation, cooling curing.By the copper bar 1 that is flexible coupling that can stretch, can rotate, it is flexible coupling copper bar 2 and the copper bar 3 that is flexible coupling is laminated on one piece of busbar, utilizes the scalable feature distorted of flexible copper bar, it is easier to assembling, meet the vibration requirement of automobile.Flexibility is adopted to be flexible coupling for connecting base material; PET dielectric film is insulant; become cabtyre to be flexible coupling copper bar; copper bar can also be flexible coupling two pieces or the polylith copper bar that is flexible coupling stacks use; can also single-piece be flexible coupling copper bar use; to not limit at this; these broadly fall into protection scope of the present invention equally; to meet at different orientation such as same plane; differing heights; the connection in Different Plane and multiple orientation, thus reach modern design, rational in infrastructure and apply effective purpose.
Above-described is only a kind of preferred implementation laminating insulation flexible bus bar of the present invention; it should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise of the invention; can also making some deformation and improvement, these broadly fall into protection scope of the present invention.

Claims (6)

1. one kind laminates insulation flexible bus bar, it is characterized in that, it is flexible coupling copper bar including at least three layers, the described copper bar two ends that are flexible coupling are provided with fixing connecting portion, and it is flexible coupling copper bar and fixing connecting portion is T2 fine copper material, described fixing connecting portion is located at and is laminated insulation flexible bus bar two ends, described in the copper bar that is flexible coupling be located at and laminate in the middle of insulation flexible bus bar, and the copper bar two ends that are flexible coupling are connected with fixing connecting portion medial extremity respectively;
The described copper bar that is flexible coupling includes the coarctate copper foil layer of multi-laminate, multiple layer of copper layers of foil end face and bottom surface after laminating are installed with insulating barrier and lower insulating barrier respectively, and multiple layer of copper layers of foil adopts macromolecule diffusion welding (DW) or ultrasonic welding process that its two ends are welded on two fixing connecting portion medial extremitys.
2. one according to claim 1 laminates insulation flexible bus bar, it is characterised in that described upper insulating barrier and lower insulating barrier are single layer coating the PET film of thermosetting epoxy resin glue.
3. one according to claim 2 laminates insulation flexible bus bar, it is characterised in that the thickness of described Copper Foil is 0.05-0.2 millimeter.
4. one according to claim 3 laminates insulation flexible bus bar, it is characterised in that described in be flexible coupling copper bar be welded on fixing connecting portion by multilayer copper foil solidification by macromolecule diffusion welding (DW) or ultrasonic bonding, punching, crimping rivet and plating.
5. one according to claim 4 laminates insulation flexible bus bar, it is characterized in that, the described insulation flexible bus bar that laminates adds man-hour, it is in lower thermoset mold, put the PET film that the one side of well cutting shape and size contains thermosetting epoxy resin glue, containing thermosetting epoxy resin glue one faces up, be flexible coupling copper bar again by least three layers electroplated, be flexible coupling copper bar in order with the position of alignment pin, it is placed in the PET film containing thermosetting epoxy resin glue, the PET film of lid last layer thermosetting epoxy resin glue again, containing thermosetting epoxy resin glue surface down, cover thermoset mold to be put into together in hot press, according to heating, insulation, the cure profile curing molding of cooling.
6. one according to claim 5 laminates insulation flexible bus bar, it is characterised in that described in laminate the brake forming of insulation flexible bus bar, be thermally cured the copper bar that is flexible coupling to be placed on bender and carry out bending, and through high pressure resistant test.
CN201610246753.XA 2016-04-20 2016-04-20 Overlaid insulating flexible busbar Pending CN105741911A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Publications (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106601361A (en) * 2017-01-24 2017-04-26 苏州科伦特电源科技有限公司 Laminated bus bar with electromagnetic shielding function and manufacturing process thereof
CN109849349A (en) * 2018-12-15 2019-06-07 深圳市益达兴科技股份有限公司 The processing technology of automobile power cell copper bar
CN110091050A (en) * 2019-05-10 2019-08-06 无锡市晟锋金属材料有限公司 A kind of soft hardwired welding method of copper material in special shape
CN112562917A (en) * 2020-11-16 2021-03-26 苏州西典机电有限公司 Power battery integrated busbar pressing method
CN115071044A (en) * 2022-06-17 2022-09-20 深圳市宇盛光电有限公司 Manufacturing method of PN copper bar plastic-coated component

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2624427Y (en) * 2003-03-11 2004-07-07 江苏浩大铜业股份有限公司 Multi-layer copper foil flexible connecting tape
CN201051417Y (en) * 2007-04-19 2008-04-23 通州市科华电子有限公司 Low-inductance laminated busbar
US20090119914A1 (en) * 2005-12-27 2009-05-14 Clark Roger F Process for Forming Electrical Contacts on a Semiconductor Wafer Using a Phase Changing Ink
US7557298B2 (en) * 2002-10-14 2009-07-07 World Properties, Inc. Laminated bus bar assembly
CN204117613U (en) * 2014-09-22 2015-01-21 苏州科伦特电源科技有限公司 Soft or hard composite bus is arranged
CN105449479A (en) * 2014-09-22 2016-03-30 苏州科伦特电源科技有限公司 Flexible and rigid composite busbar and manufacturing process
CN205508426U (en) * 2016-04-20 2016-08-24 苏州科伦特电源科技有限公司 Fold and press insulating flexible generating line row

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7557298B2 (en) * 2002-10-14 2009-07-07 World Properties, Inc. Laminated bus bar assembly
CN2624427Y (en) * 2003-03-11 2004-07-07 江苏浩大铜业股份有限公司 Multi-layer copper foil flexible connecting tape
US20090119914A1 (en) * 2005-12-27 2009-05-14 Clark Roger F Process for Forming Electrical Contacts on a Semiconductor Wafer Using a Phase Changing Ink
CN201051417Y (en) * 2007-04-19 2008-04-23 通州市科华电子有限公司 Low-inductance laminated busbar
CN204117613U (en) * 2014-09-22 2015-01-21 苏州科伦特电源科技有限公司 Soft or hard composite bus is arranged
CN105449479A (en) * 2014-09-22 2016-03-30 苏州科伦特电源科技有限公司 Flexible and rigid composite busbar and manufacturing process
CN205508426U (en) * 2016-04-20 2016-08-24 苏州科伦特电源科技有限公司 Fold and press insulating flexible generating line row

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106601361A (en) * 2017-01-24 2017-04-26 苏州科伦特电源科技有限公司 Laminated bus bar with electromagnetic shielding function and manufacturing process thereof
CN109849349A (en) * 2018-12-15 2019-06-07 深圳市益达兴科技股份有限公司 The processing technology of automobile power cell copper bar
CN110091050A (en) * 2019-05-10 2019-08-06 无锡市晟锋金属材料有限公司 A kind of soft hardwired welding method of copper material in special shape
CN112562917A (en) * 2020-11-16 2021-03-26 苏州西典机电有限公司 Power battery integrated busbar pressing method
CN112562917B (en) * 2020-11-16 2022-09-16 苏州西典机电有限公司 Power battery integrated busbar pressing method
CN115071044A (en) * 2022-06-17 2022-09-20 深圳市宇盛光电有限公司 Manufacturing method of PN copper bar plastic-coated component

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