CN103515826A - Busbar ring having current convex shoulder having cut and widened connecting line - Google Patents
Busbar ring having current convex shoulder having cut and widened connecting line Download PDFInfo
- Publication number
- CN103515826A CN103515826A CN201310242903.6A CN201310242903A CN103515826A CN 103515826 A CN103515826 A CN 103515826A CN 201310242903 A CN201310242903 A CN 201310242903A CN 103515826 A CN103515826 A CN 103515826A
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- CN
- China
- Prior art keywords
- connecting line
- convex shoulder
- electric current
- otch
- sectional area
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/34—Connections of conductor to slip-ring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
- H01R43/0207—Ultrasonic-, H.F.-, cold- or impact welding
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to a busbar ring (10) for a motor. The busbar ring has at least one current convex shoulder (1) which is configured to be conductively connected with a connecting line (200) through ultrasonic welding connection. In addition, the current convex shoulder has a cut (115) which is configured to partially accommodate the connecting line.
Description
Technical field
The present invention relates to a kind of motor.The present invention especially relates to a kind of bus-bar ring for motor and for the manufacture of the method for bus-bar ring.
Background technology
In ultrasonic bonding, use anvil and ultrasonic concussion unit.Have workpiece in workpiece to be welded, that there is larger quality conventionally by device for mechanical fix and directed towards anvil.In welding position, guiding has workpiece in workpiece to be welded, that have larger quality, and towards ultrasonic concussion cell location.Before welding, by pressure in other words power have on workpiece to be welded described in being applied to.In welding sequence, by ultrasonic concussion unit, the ultrasonic wave motion of high-frequency vibration mode is applied on the workpiece with less quality.The guiding direction of vibration or longitudinally (that is to say, linear movement that be welded to connect, two way alternate is implemented to be parallel in ultrasonic concussion unit) or (that is to say, rotatablely moving of two way alternate implemented in ultrasonic concussion unit) reversed.
While stating ultrasonic welding method in the use, due to surface pressing higher in engaging zones (Fl chenpressung), that is to say in the region that two workpiece are welded together to have material to be joined at least one in workpiece, to reduce material cross-section in other words.The region of the material cross-section having reduced reduces Liao region for mechanical robustness thus, wherein under load condition, can cause Materials Fracture (Materialbruch).
Summary of the invention
Utilize the present invention to improve for the electric current convex shoulder of the bus-bar ring of motor and the ultrasonic bonding connecting portion between connecting line, and the reduction that reduces the assembly of ultrasonic bonding connecting portion or the mechanical robustness of workpiece.
According to the feature described in independent claims, to the bus-bar ring for motor, motor with for the manufacture of the method for bus-bar ring, describe.By dependent claims and ensuing description, draw improvement project of the present invention.
A plurality ofly about the described feature of bus-bar ring, also may be embodied as method step hereinafter, vice versa.
Bus-bar ring for motor has been described according to a first aspect of the invention, and wherein said bus-bar ring has at least one electric current convex shoulder, constructs described electric current convex shoulder to be connected conductively with connecting line by ultrasonic bonding connecting portion.Described bus-bar ring is characterised in that, described electric current convex shoulder has otch, wherein construct described otch to partly hold described connecting line, thereby produce described electric current convex shoulder along described otch by described ultrasonic bonding connecting portion in engaging zones, be connected with the material fit between described connecting line.
Described bus-bar ring be used to motor that electric current is provided and especially can construct conglobate in other words annular.Described bus-bar ring and at least one electric current convex shoulder especially can be constructed integratedly, wherein this means, described bus-bar and described at least one electric current convex shoulder are made by identical output workpiece jointly.
Described otch is the recess in the surface of electric current convex shoulder.Described recess can be especially the extrusion process result of BENDING PROCESS in other words.Described otch for example can not form by removing electric current convex shoulder material thus, but surface by electric current convex shoulder in other words electric current convex shoulder itself deform and form.Especially whole electric current convex shoulder also can deform, thereby is out of shape and is produced described otch by electric current convex shoulder.Yet alternatively, described otch can be also the result of removing electric current convex shoulder material.
For example described otch only partly holds connecting line, this means, in the situation that connecting line has circular cross section, the degree of depth of described otch is less than the radius of connecting line.
In the situation that the line shape of cross section of other of connecting line, so design the degree of depth of described otch, thereby make the described degree of depth under any circumstance all be less than the diameter of described connecting line, so design in other words, thus described connecting line is not contained in otch with its whole cross-sectional area.In other words this means, when connecting line is arranged in otch, a part for connecting line is stretched out described otch.
Described otch has the cut surface increasing by the crooked trend of otch than the not scalloping surface of electric current convex shoulder, can be created in thus being welded to connect between connecting line and electric current convex shoulder on the surface of increase.
In addition, described otch can cause: described connecting line reduces than having less cross section with smooth, not scalloping electric current convex shoulder welding.Ultrasonic concussion unit can be expressed to connecting line in the otch of electric current convex shoulder in supersonic welding termination process, and described connecting line has the less plastic deformation that the extruding by ultrasonic concussion unit and anvil (Amboss) produces thus.
Especially on the edge of welding region, that is to say on the edge of ultrasonic concussion unit in other words on the effective solder side of ultrasonic concussion unit, produce thus the material cross-section larger than the result of the otch of electric current convex shoulder, wherein by welding process, make the mechanical stability of the connecting line through welding be subject to less infringement.
According to one embodiment of the present invention, described otch have part circular, semicircular cross section for example.
In the situation that the semicircular cross section of described otch is constructed described otch and is configured to equally semicircular connecting line with maximum until half ground of the diameter of described connecting line holds.
In another embodiment, can so construct described otch, thus described connecting line until 1/3rd ground of connecting line diameter be contained in otch.
In a kind of alternative execution mode, described otch can have another kind of such as rectangle or the leg-of-mutton cross section of picture, wherein at this, also can so design the degree of depth of otch, thereby described connecting line is only partly contained in otch.
According to another kind of execution mode, described electric current convex shoulder has chamfered region, wherein said chamfered region is so connected on described otch along the longitudinal direction of otch, thus make described chamfered region by cut surface set out along away from or with respect to there being the outstanding direction of connecting line to be connected to tilt.
Chamfered region can cause: connecting line is not towards the end extruding of the cusped edge of electric current convex shoulder in the welding process of supersonic generator, and then the additional material that can reduce connecting line by being pressed to the electric current convex shoulder place of cusped edge weakens.Described chamfered region for example can press from both sides into the angle of 10 degree to 30 degree with respect to cut surface.
According to another embodiment of the invention, bus-bar ring has connecting line in addition, wherein said connecting line has the first transverse cross-sectional area and the second transverse cross-sectional area, wherein said the second transverse cross-sectional area has the diameter larger than the first transverse cross-sectional area, and wherein only described the second transverse cross-sectional area is arranged in described engaging zones.
So-called transverse cross-sectional area can be understood as longitudinal section of connecting line at this, and the cross section that described longitudinal section has a substantial constant is constant shape of cross section in other words.
The surface that described engaging zones is equivalent to effective welding region is region in other words.
Because described the second transverse cross-sectional area is only arranged in described engaging zones, so guaranteed, the connecting line of the material cross-section of connecting line after supersonic welding termination process than in engaging zones is larger while having the cross-sectional area of the first transverse cross-sectional area.
Therefore, the connecting line with two transverse cross-sectional area can be realized the strength of materials improving in the region being welded to connect on the one hand, and can realize the cross-sectional area reducing at engaging zones outward, to so keep having the weight of the bus-bar ring of connecting line littlely.
According on the other hand, to the motor with bus-bar ring as above-mentioned and be described below.
Described motor can be for example the motor of motor or generator forms.At this, bus-bar ring is for example used to coil power supply, and described coil forms the stator of motor.
According to the method illustrating on the other hand for the manufacture of bus-bar ring, wherein said bus-bar ring has the electric current convex shoulder with otch, wherein construct described electric current convex shoulder to be connected conductively with connecting line by ultrasonic bonding connecting portion, it is characterized in that, at the convex shoulder of electric current described in first step, be provided with otch; In second step, described connecting line is so arranged on described electric current convex shoulder, thereby described connecting line is extended in otch along the longitudinal direction of described connecting line; In third step, set up ultrasonic bonding connecting portion, thereby make described connecting line and cut surface welding.
According to a kind of execution mode, described method has the step before described first step, wherein in the step before this, connecting line described in jumping-up like this in the second transverse cross-sectional area, thereby described connecting line is had than its cross-sectional area larger before jumping-up in described the second transverse cross-sectional area, wherein, in described second step, described connecting line is so arranged on described electric current convex shoulder, thereby described the second transverse cross-sectional area is extended in otch.
Should step before be used to thus supersonic welding termination process to prepare connecting line.This be it is pointed out that to the connecting line that is for example also referred to as jumping-up part (Stauchen) at this, also can in the second transverse cross-sectional area, be provided with in other mode the cross section having increased.
Accompanying drawing explanation
With reference to accompanying drawing, embodiments of the invention are described hereinafter.
Fig. 1 shows the axle that waits of the electric current convex shoulder of bus-bar ring according to an embodiment of the invention and surveys view;
Fig. 2 shows in accordance with another embodiment of the present invention, has the schematic vertical view of electric current convex shoulder of the bus-bar ring of two connecting lines;
Fig. 3 shows in accordance with another embodiment of the present invention, has the schematic vertical view of electric current convex shoulder of the bus-bar ring of a connecting line;
Fig. 4 A shows in accordance with another embodiment of the present invention, has the electric current convex shoulder of bus-bar ring and the schematic end view of ultrasonic concussion unit of connecting line;
Fig. 4 B shows in accordance with another embodiment of the present invention, electric current convex shoulder and the connecting line of bus-bar ring;
Fig. 4 C shows the cutaway view of the electric current convex shoulder shown in Fig. 4 B;
Fig. 5 shows in accordance with another embodiment of the present invention, the electric current convex shoulder of bus-bar ring and the schematic end view of connecting line after supersonic welding termination process;
Fig. 6 shows in accordance with another embodiment of the present invention, electric current convex shoulder and the connecting line of bus-bar ring;
Fig. 7 shows the axle that waits of bus-bar ring in accordance with another embodiment of the present invention and surveys view.
Diagram in accompanying drawing is schematically and is by correct proportions, not draw.
If used identical Reference numeral in the explanation of accompanying drawing hereinafter, it relates to identical or similar element.
Embodiment
Fig. 1 shows the electric current convex shoulder 110 with otch 115 and chamfered region 120, and wherein chamfered region 120 is connected on described otch along the longitudinal direction of otch 115.
Such as knowing ground by Fig. 1, electric current convex shoulder 110 deforms on the whole, and this point can know from the surperficial trend through rounding of electric current convex shoulder, and described surface and otch 115 are opposed.
Fig. 2 shows linkage unit 100, and wherein said linkage unit consists of electric current convex shoulder 110 and two connecting lines 200.Linkage unit 100 is for setting up for example being electrically connected between coil and bus-bar ring.
These two connecting lines 200 so lay respectively in otch 115, thereby make connecting line draw (wegf ü hren) along the rightabout of electric current convex shoulder 110.At this, each otch 115 has chamfered region 120 in the end of otch, and described chamfered region points to a direction, draws the connecting line laying respectively in otch along described direction.
Fig. 3 shows the linkage unit 100 with electric current convex shoulder 110 and connecting line 200.Connecting line 200 has the first transverse cross-sectional area 201 and the second transverse cross-sectional area 202, and wherein the second transverse cross-sectional area 202 has than the larger diameter of the first transverse cross-sectional area 201.
In Fig. 3, the second transverse cross-sectional area 202 is all arranged in otch 115 with it.Thus, connecting line can weld with electric current convex shoulder 110 in the second transverse cross-sectional area 202, and the first transverse cross-sectional area 201 that has the cross-sectional area reducing at this can not born load and the distortion in supersonic welding termination process.Because the second transverse cross-sectional area is compared its cross-sectional area with the first transverse cross-sectional area and has been increased, the mechanical robustness of connecting line 200 by supersonic welding termination process on the whole than be subject to less impact when the first transverse cross-sectional area 201 is connected with electric current convex shoulder 110 by ultrasonic bonding.
Fig. 4 A schematically shows the arrangement of electric current convex shoulder 110 and connecting line 200 before supersonic welding termination process.
Connecting line 200 is arranged in otch 115, and ultrasonic concussion unit 300 moves along direction 310, thus connecting line is expressed in the cut surface 116 of described otch and with these cut surface 116 welding.
Fig. 4 B shows electric current convex shoulder 110 and connecting line 200, and described connecting line is arranged in the otch of electric current convex shoulder, and wherein said otch has chamfered region 120.
Chamfered region 120 is realized following object at this: the electric current convex shoulder 100 in other words otch of electric current convex shoulder does not have the end of cusped edge, thereby make in supersonic welding termination process not towards cusped edge but towards chamfered region 120 extruding connecting lines 200, and then push towards the transition part of non-cusped edge, this has reduced the danger that connecting line 200 suffers damage during supersonic welding termination process.
Fig. 4 C shows along the cutaway view of the line of cut A-A shown in Fig. 4 B.At this, can identify chamfered region 120 about the trend of connecting line 200, that is to say, along the directional structure vectorical structure chamfered region that protrudes from connecting line.
Fig. 5 shows the cross sectional view at supersonic welding termination process after-current convex shoulder 110 and connecting line 200.
By this diagram, can be known on the one hand, connecting line 200 has and deviates from surface electric current convex shoulder 110, flat, that is to say, described surface is squeezed into flat by ultrasonic concussion unit.In addition, by this diagram, can be known, a part for the material of connecting line 200 is extended in otch 115.
Otch 115 has the degree of depth 117 at this.Otch 115 can make connecting line during supersonic welding termination process, be extruded in otch 115, wherein by the strain of connecting line 200, absorbs thus a part for the extruding energy of ultrasonic concussion unit.
In addition, by Fig. 5, can be known, on the one hand the cross-sectional area through the connecting line of welding increases by otch 115, and the contact area being welded to connect between connecting line and electric current convex shoulder additionally increases by otch 115 on the other hand.
Fig. 6 shows electric current convex shoulder 110 and connecting line 200, together with wherein connecting line 200 is welded to each other in engaging zones 350 with electric current convex shoulder 110.
Otch 115 has chamfered region 120, and wherein with angle 121, the cut surface about otch 115 tilts chamfered region 120.
Even not shown in Figure 6, engaging zones 350 can extend along otch 115 so far, thereby connecting line 200 also welds with electric current convex shoulder 110 in chamfered region 120.
In a kind of exemplary execution mode, connecting line 200 has the diameter of 0.7mm to 2mm in the first transverse cross-sectional area, and wherein the diameter in the second transverse cross-sectional area 202 is than the diameter large 30% to 40% in the first transverse cross-sectional area 201.
Fig. 7 shows the axle that waits of the bus-bar ring 10 with a plurality of electric current convex shoulders 110 and surveys view, wherein extension plane 102 quadratures of electric current convex shoulder 110 and bus-bar ring.In other words, electric current convex shoulder 110 is parallel to axial direction 103 trends of bus-bar ring 10.
Claims (7)
1. the bus-bar ring (10) for motor, wherein said bus-bar ring has at least one electric current convex shoulder (110), construct described electric current convex shoulder to be connected conductively with connecting line (200) by ultrasonic bonding connecting portion, it is characterized in that, described electric current convex shoulder has otch (115), wherein construct described otch to partly hold described connecting line (200), thereby produce described electric current convex shoulder along described otch by described ultrasonic bonding connecting portion in engaging zones (350), be connected with the material fit between described connecting line.
2. according to bus-bar ring claimed in claim 1, wherein said otch has the cross section of part circular.
3. according to the bus-bar ring described in any one in claim 1 or 2, wherein said electric current convex shoulder has chamfered region (120), wherein said chamfered region is so connected on described otch along the longitudinal direction, thereby described chamfered region is set out along the direction inclination away from there being connecting line to be connected by cut surface (116).
4. according to bus-bar ring in any one of the preceding claims wherein, it has connecting line (200) in addition, wherein said connecting line (200) has the first transverse cross-sectional area (201) and the second transverse cross-sectional area (202), wherein said the second transverse cross-sectional area has the diameter larger than the first transverse cross-sectional area, and wherein only described the second transverse cross-sectional area is arranged in described engaging zones.
5. a motor, it has according to the bus-bar ring described in any one in claim 1 to 4.
6. the method for the manufacture of bus-bar ring (10), described bus-bar ring has the electric current convex shoulder (110) with otch (115), wherein construct described electric current convex shoulder to be connected conductively with connecting line (200) by ultrasonic bonding connecting portion, it is characterized in that, at the convex shoulder of electric current described in first step, be provided with otch; At connecting line described in second step, be so arranged on described electric current convex shoulder, thereby described connecting line is extended in described otch along the longitudinal direction of described connecting line; In third step, set up ultrasonic bonding connecting portion, thereby make described connecting line and cut surface welding.
7. in accordance with the method for claim 6, wherein in the step before described first step, connecting line described in jumping-up like this in the second transverse cross-sectional area, thereby the connecting line in described the second transverse cross-sectional area is had than its cross-sectional area larger before jumping-up, wherein in described second step, described connecting line is so arranged on described electric current convex shoulder, thereby described the second transverse cross-sectional area is extended in described otch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012210442.9 | 2012-06-20 | ||
| DE102012210442.9A DE102012210442B4 (en) | 2012-06-20 | 2012-06-20 | Busbar ring with notched current lug and widened connecting wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103515826A true CN103515826A (en) | 2014-01-15 |
| CN103515826B CN103515826B (en) | 2018-01-19 |
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ID=49713707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310242903.6A Active CN103515826B (en) | 2012-06-20 | 2013-06-19 | The bus-bar ring of the connecting line of current convex shoulder and broadening with otch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103515826B (en) |
| DE (1) | DE102012210442B4 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181642A (en) * | 1996-10-25 | 1998-05-13 | 矢崎总业株式会社 | Connection structure of covered wire with resin encapsulation |
| GB2335091A (en) * | 1998-03-03 | 1999-09-08 | Yazaki Corp | Joining wires by ultrasonic welding |
| US6135829A (en) * | 1995-02-24 | 2000-10-24 | The Wiremold Company | Electrical connection |
| US20040088857A1 (en) * | 2002-08-30 | 2004-05-13 | Yazaki Corporation | Method of joining wire |
| JP2009034699A (en) * | 2007-07-31 | 2009-02-19 | Yazaki Corp | Ultrasonic sealing tip |
| CN102324806A (en) * | 2011-08-16 | 2012-01-18 | 联合汽车电子有限公司 | Power supply access structure of alternating current motor and shunt ring |
| JP2012084319A (en) * | 2010-10-08 | 2012-04-26 | Auto Network Gijutsu Kenkyusho:Kk | Busbar for battery pack and busbar module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3311644B2 (en) | 1997-06-18 | 2002-08-05 | 矢崎総業株式会社 | Connection structure between wires and terminals |
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2012
- 2012-06-20 DE DE102012210442.9A patent/DE102012210442B4/en active Active
-
2013
- 2013-06-19 CN CN201310242903.6A patent/CN103515826B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6135829A (en) * | 1995-02-24 | 2000-10-24 | The Wiremold Company | Electrical connection |
| CN1181642A (en) * | 1996-10-25 | 1998-05-13 | 矢崎总业株式会社 | Connection structure of covered wire with resin encapsulation |
| GB2335091A (en) * | 1998-03-03 | 1999-09-08 | Yazaki Corp | Joining wires by ultrasonic welding |
| US20040088857A1 (en) * | 2002-08-30 | 2004-05-13 | Yazaki Corporation | Method of joining wire |
| JP2009034699A (en) * | 2007-07-31 | 2009-02-19 | Yazaki Corp | Ultrasonic sealing tip |
| JP2012084319A (en) * | 2010-10-08 | 2012-04-26 | Auto Network Gijutsu Kenkyusho:Kk | Busbar for battery pack and busbar module |
| CN102324806A (en) * | 2011-08-16 | 2012-01-18 | 联合汽车电子有限公司 | Power supply access structure of alternating current motor and shunt ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103515826B (en) | 2018-01-19 |
| DE102012210442B4 (en) | 2023-10-05 |
| DE102012210442A1 (en) | 2013-12-24 |
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