Source: https://patents.google.com/patent/CN102414871B/en
Timestamp: 2020-08-07 20:01:30
Document Index: 228413289

Matched Legal Cases: ['art 9', 'art 9', 'art 9', 'art 9', 'art 9', 'art 9', 'art 9', 'art 9', 'art; 10', 'art.\n3']

CN102414871B - Power-supply device and battery connector - Google Patents
CN102414871B
CN102414871B CN201080018969.1A CN201080018969A CN102414871B CN 102414871 B CN102414871 B CN 102414871B CN 201080018969 A CN201080018969 A CN 201080018969A CN 102414871 B CN102414871 B CN 102414871B
CN201080018969.1A
CN102414871A (en
2009-08-18 Priority to JP2009-188893 priority
2010-08-17 Application filed by 矢崎总业株式会社 filed Critical 矢崎总业株式会社
2012-04-11 Publication of CN102414871A publication Critical patent/CN102414871A/en
2015-03-04 Publication of CN102414871B publication Critical patent/CN102414871B/en
Provided are a power-supply device and a battery connector used for the power-supply device, said power-supply device provided with a plurality of bus bars which connect a plurality of adjacent batteries in series, and terminals which connect to respective bus bars and to which electric wires for detecting voltages are to be attached. In a conventional power-supply device, the electric wire connection portion of a terminal includes a pair of crimping pieces which crimp an electric wire, necessitating manual laying of the electric wires. Consequently, there is a cost problem. To solve this, the power-supply device is provided with at least a pair of pressure-contact blades (42d) in the electric wire connection portion (42) of each terminal (4) which connects to a bus bar (3) and to which an electric wire is to be attached. The pair of pressure-contact blades (42d), when the electric wire is inserted therebetween by pressure, break through an insulating coating of the electric wire so as to be brought into contact with a core wire of the electric wire by pressure. Thus, the laying of the electric wires can be automated, solving the problem.
Supply unit and battery connecting structure
The present invention relates to supply unit and battery connecting structure, particularly relate to and be mounted in the supply unit in hybrid electric vehicle, electric automobile etc. and the battery connecting structure for this supply unit.
Such as, in the hybrid vehicle that the electric automobile using electro-motor etc. to travel, dual-purpose engine and electro-motor travel etc., as the drive source of above-mentioned electro-motor, above-mentioned supply unit is carried.Supply unit is made up of cell assembly 1 (Fig. 1), the battery connecting structure 2 (Fig. 7) be installed on this cell assembly 1.As shown in Figure 1, above-mentioned cell assembly 1 is made up of overlapped multiple batteries 10.Multiple battery 10 is arranged respectively from the outstanding positive pole 12 of the basket of box and negative pole 13.The mode that multiple battery 10 alternately arranges with positive pole 12 and negative pole 13 is superimposed.
Battery connecting structure 2 as shown in Figure 7, possess by the positive pole 12 of mutually adjacent battery 10 and negative pole 13 are connected, by multiple busbars 3, the terminal 4 be connected with each busbar 3, the electric wire 5 be connected with each terminal 4, the not shown earth connection of direct for multiple battery 10 connection, accommodated their plastic dull and stereotyped 6.
Above-mentioned busbar 3 be provided with can make the positive pole 12 of mutually adjacent battery 10 and negative pole 13 respectively by the cylindrical void 3a that confluxes for a pair.The positive pole 12 be arranged on a side of adjacent cell 10 is passed through a side of a pair cylindrical void 3a that confluxes, busbar 3 is arranged on positive pole 12.The negative pole 13 be arranged on the opposing party of adjacent cell 10 is passed through the opposing party of a pair cylindrical void 3a that confluxes, busbar 3 is arranged on negative pole 13.By such installation, the positive pole 12 of adjacent cell 10 and negative pole 13 electrical resistance connect by busbar 3.
Above-mentioned terminal 4 is made up of bus bar junctions 41 and wired portion 42.The terminal hole 41a that any one party that bus bar junctions 41 is provided with positive pole 12 and negative pole 13 is passed through.Bus bar junctions 41, under the state making any one party of positive pole 12 and negative pole 13 have passed at terminal hole 41a, is overlapped in busbar 3.Bus bar junctions 41 is areas of the roughly half of busbar 3.Wired portion 42 is integrally provided on bus bar junctions 41.Wired portion 42 is made up of a pair pressure tag 100 of the heart yearn of the attached electric wire 5 of pressure.Said wires 5 is connected with the voltage sensing member of the both end voltage of each battery 10 of not shown detection.
Dull and stereotyped 6 are provided with busbar resettlement section 61, electric wire resettlement section 62 and wired portion resettlement section 63 etc. integratedly.Above-mentioned busbar resettlement section 61 is configured to the box embedded by busbar 3, collecting busbar 3 and the bus bar junctions 41 overlapping with this busbar 3.Diapire in this busbar resettlement section 61 arrange can make positive pole 12 and negative pole 13 respectively by not shown pair of plates hole.Electric wire resettlement section 62 is configured to rhone shape, collecting electric wire 5.Wired portion resettlement section 63 is configured to rhone shape in the mode be communicated with electric wire resettlement section 62 busbar resettlement section 61, collecting wired portion 42.
In the supply unit of said structure, assemble in the following manner.When assembling supply unit, manufacture busbar 3, terminal 4, flat board 6 etc. respectively.In addition, in advance electric wire 5 is connected to terminal 4.In addition, the order of connection of above-mentioned terminal 4 and electric wire 5 is carried out as follows.First, the heart yearn making the end of electric wire 5 eliminate insulation coating exposes.After this, heart yearn is being positioned at after between a pair pressure tag 100, is riveting a pair pressure tag 100, electric wire 5 is pressed and is attached to wired portion 42.
Then, in the mode of not shown plate well with cylindrical void 3a overlap of confluxing, busbar 3 is housed in the busbar resettlement section 61 of dull and stereotyped 6.Then, the mode of side's overlap of the cylindrical void 3a that confluxes with terminal hole 41a and a pair, overlaps bus bar junctions 41 on busbar 3, and is housed in busbar resettlement section 61.Now, be housed in the mode in wired portion resettlement section 63 with wired portion 42, bus bar junctions 41 is overlapped on busbar 3.After this, electric wire 5 is arranged in electric wire resettlement section 62.
Then, the battery connecting structure 2 assembled according to order as described above is installed to cell assembly 1.Namely, to make the positive pole 12 of a side by adjacent cell 10 in overlapped not shown pair of plates hole and the cylindrical void 3a that confluxes for a pair, make the opposing party by negative pole 13, and then, make terminal hole 41a by the mode of any one party of positive pole 12 and negative pole 13, battery connecting structure 2 is configured in above cell assembly 1.After this, by being screwed by nut at the negative pole 13 of battery 10 and positive pole 12, battery connecting structure 2 is fixed on battery 10.
Patent documentation 1: Japanese Unexamined Patent Publication 2006-269104 publication
According to above-mentioned supply unit, because wired portion 42 is made up of a pair pressure tag 100 of the attached electric wire 5 of pressure, so, it may be necessary handwork and carry out electric wire 5 to the arrangement in electric wire resettlement section 62, have problems in cost.In addition, terminal 4 only passes through in any one party of positive pole 12 and negative pole 13.Therefore, exist when clamp nut, terminal 4 rotates centered by the positive pole 12 passed through at terminal hole 41a or negative pole 13, produces the situation of load at wired portion 42.In order to prevent this situation, arrange in supply unit in the past by the spline projection 41b on the busbar 3 being arranged on terminal 4 and the spline structure being arranged on the terminal 4 that the slit inserted by spline projection 41b on the sidewall of busbar resettlement section 61 is formed.Accordingly, though by terminal during fastening nuts 4 for rotate, spline projection 41b also abuts the inwall of slit, and rotation is restricted.In supply unit in the past, be necessary by above-mentioned spline structure installation at battery connecting structure 2, structure becomes complicated, has problems in cost.
Therefore, problem of the present invention is, provides a kind of by making the arrangement automation of electric wire, seeks supply unit and the battery connecting structure of cost reduction.
For the invention solving the first technical scheme that above-mentioned problem is made possesses the cell assembly be made up of multiple batteries that the mode alternately arranged with positive pole and negative pole is superimposed, by the positive pole of mutually adjacent above-mentioned battery and negative pole are connected, by the busbar that these multiple serial battery connect, be connected with above-mentioned busbar and the supply unit of the terminal of electric wire is installed, it is characterized in that, be pressed into each other if above-mentioned terminal possesses said wires, then the insulation coating of said wires is poked, be crimped at least one pair of crimp knife on the heart yearn of this electric wire.
The invention of the second technical scheme is in the supply unit of the first technical scheme, it is characterized in that, above-mentioned busbar and above-mentioned terminal are integrally formed.
The invention of the 3rd technical scheme is in the supply unit of the second technical scheme, and it is characterized in that, above-mentioned terminal is arranged on above-mentioned busbar superimposedly, possesses and the end of the end of above-mentioned busbar and above-mentioned terminal is linked all-in-one-piece linking part.
The invention of the 4th technical scheme is in the supply unit of the 3rd technical scheme, it is characterized in that, above-mentioned busbar is made up of the side that a metallic plate warpage 180 degree is overlapping, and above-mentioned terminal is made up of the opposing party that an above-mentioned metallic plate warpage 180 degree is overlapping.
The invention of the 5th technical scheme is that the positive pole of the mutually adjacent above-mentioned battery possessed in the superimposed multiple batteries of mode by alternately arranging with positive pole and negative pole and negative pole connect, the busbar that these multiple serial battery are connected and being connected with above-mentioned busbar, and the battery connecting structure of the terminal of electric wire is installed, it is characterized in that, be pressed into each other if above-mentioned terminal possesses said wires, then the insulation coating of said wires is poked, be crimped at least one pair of crimp knife on the heart yearn of this electric wire.
As described above, according to first and the 5th technical scheme record invention, if by being pressed into each other by electric wire, then the insulation coating of electric wire is poked, a pair crimp knife be crimped on the heart yearn of this electric wire forms wired portion, the arrangement automation of electric wire can be made, cost can be sought and reduce.
According to the invention of the second technical scheme, because terminal and the busbar be installed on positive pole and these two electrodes of negative pole are integrally formed, so, there is no need the spline structure of terminal when being arranged on nut is fastening to electrode, cost can be sought and reduce.
According to the invention of the 3rd technical scheme, link by means of only with the end of linking part by the end of busbar and terminal, busbar can be made simply to become to be integrated with terminal.
According to the invention of the 4th technical scheme, carry out warpage processing by means of only to a metallic plate, busbar can be made simply to become to be integrated with terminal.
Fig. 1 is the exploded perspective view of the execution mode representing supply unit of the present invention.
Fig. 2 is the partial top view of the battery connecting structure shown in the Fig. 1 in the first execution mode.
Fig. 3 (A) is the stereogram of the busbar shown in Fig. 2, and (B) is the stereogram of the busbar shown in Fig. 2 and terminal.
Fig. 4 (A) is the end view of the example representing automatic wiring machine, and (B) is the partial perspective view of the automatic wiring machine shown in (A).
Fig. 5 is the vertical view of the battery connecting structure of the present invention in the second execution mode.
Fig. 6 (A) is the stereogram representing the busbar terminal unit shown in Fig. 5, and (B) is the stereogram of the state before the bending machining representing the busbar terminal unit shown in Fig. 5.
Fig. 7 is the vertical view of an example of the battery connecting structure represented in the past.
Below, with reference to Fig. 1 ~ Fig. 4, the first execution mode of the present invention is described.Fig. 1 is the exploded perspective view of the execution mode representing supply unit of the present invention.Fig. 2 is the partial top view of the battery connecting structure shown in the Fig. 1 in the first execution mode.Fig. 3 (A) is the stereogram of the busbar shown in Fig. 2, and Fig. 3 (B) is the stereogram of the busbar shown in Fig. 2 and terminal.Fig. 4 (A) is the end view of the example representing automatic wiring machine, and Fig. 4 (B) is the amplification stereogram of the crimping curler in Fig. 4 (A).
Battery connecting structure 2 shown in Fig. 2 is installed in the cell assembly 1 shown in Fig. 1, forms supply unit.In addition, this supply unit is the hybrid vehicle etc. being mounted on electric automobile, dual-purpose engine and the electro-motor traveling using electro-motor to travel, to the device of above-mentioned electro-motor supply electric power.
As shown in Figure 1, above-mentioned cell assembly 1 possesses multiple battery 10, these multiple batteries 10 is overlapped the to each other fixing not shown fixed part.In addition, each battery 10 possesses the battery main body 11 of cubic, the positive pole 12 given prominence to from the one end above this battery main body 11 and the other end respectively and negative pole 13.These positive poles 12 and negative pole 13 are formed as cylindric by the metal of conductivity respectively, are provided with thread groove at its outer peripheral face.
Further, the mode that multiple battery 10 alternately arranges along overlapping direction with positive pole 12 and negative pole 13 is superimposed.What positive pole 12 and negative pole 13 alternately arranged is classified as two row.In addition, the arrow X in Fig. 1 represents the overlapping direction of multiple battery 10 and the length direction of cell assembly 1, and arrow Z represents the Width of cell assembly 1, and arrow Y represents the short transverse of cell assembly 1.
Above-mentioned battery connecting structure 2 is the parts be mainly connected in series by above-mentioned multiple batteries 10.Battery connecting structure 2 is as shown in Fig. 2 etc., possess by the positive pole 12 of mutually adjacent battery 10 and negative pole 13 are connected, multiple busbars 3 that multiple battery 10 is connected in series, for detect the terminal voltage of each battery 10 and the multiple terminals 4 be connected with each busbar 3, the electric wire 5 be connected with each terminal 4, not shown earth connection, they are accommodated plastic dull and stereotyped 6.
Above-mentioned busbar 3 is as shown in Fig. 3 (A) etc., the parts obtained by the metallic plate enforcement pressure processing etc. thick to the such as 0.8mm of conductivity, be on the metallic plate of tabular, the structure of the cylindrical void 3a that confluxes for a pair that the positive pole 12 of mutually adjacent battery 10 and negative pole 13 pass through is set.The positive pole 12 be arranged on a side of adjacent cell 10 is passed through a side of a pair cylindrical void 3a that confluxes, busbar 3 is arranged on positive pole 12.In addition, the negative pole 13 be arranged on the opposing party of adjacent cell 10 is passed through the opposing party of a pair cylindrical void 3a that confluxes, busbar 3 is arranged on negative pole 13.And busbar 3 is fixed on battery 10 by nut N (Fig. 1) being combined on the positive pole 12 and negative pole 13 that pass through at the cylindrical void 3a that confluxes.
Above-mentioned terminal 4 is the parts obtained by implementing pressure processing etc. to the metallic plate of conductivity.For the formation of the thickness of the metallic plate of this terminal 4 in order to form crimp knife 42d described later, and than the thickness thin (such as 0.4mm) for the formation of the metallic plate of busbar 3.Above-mentioned terminal 4 as shown in Fig. 3 (B) etc., by overlapping with busbar 3 and with busbar 3 electrical resistance be connected bus bar junctions 41, to be connected with bus bar junctions 41 and the wired portion 42 having installed electric wire 5 is formed.Bus bar junctions 41 be the terminal hole 41a that passes through of any one party being provided with positive pole 12 and negative pole 13 on the metal of tabular and compared with wired portion 42 from the structure of the spline projection 41b of the terminal 4 holding the end in outside to give prominence to.Bus bar junctions 41 is the area of the roughly half of busbar 3.Wired portion 42 be provided with electric wire 5 located in its surface base plate 42a, from this base plate 42a erect arrange a pair riveting sheet 42b, to erect from base plate 42a and arrange and electric wire 5 be positioned at pair of side plates 42c each other, from the outstanding to the inside three couples of crimp knife 42d of pair of side plates 42c.
Above-mentioned a pair riveting sheet 42b rivets the insulation coating of electric wire 5 end, and electric wire 5 is fixed on wired portion 42.The three couples of crimp knife 42d are respectively by a part of pair of side plates 42c being cut into roughly コ font press to the inside and formed.The three couples of crimp knife 42d arrange three along the length direction of electric wire 5 is spaced at intervals.Three couples of crimp knife 42d are arranged on facing position respectively, if be pressed into each other by electric wire 5, then poked by the insulation coating of electric wire 5, are crimped on the heart yearn of electric wire 5.So, electric wire 5 and terminal 4 electrical resistance are connected by crimp knife 42d, and prevent electric wire 5 from misplacing at the length direction of wired portion 42.
One end of said wires 5 is installed in wired portion 42, and the other end is connected with voltage sensing member described later.And the electric wire 5 (that is, terminal 4) being installed in wired portion 42 is arranged in the electric wire resettlement section 62 of described later dull and stereotyped 6.Electric wire 5 is the so-called coating electric wires being covered the heart yearn of conductivity by insulation coating.In addition, this electric wire 5 is cross sections is circular round electric wire.
Above-mentioned dull and stereotyped 6 are formed the roughly equal roughly rectangle with cell assembly 1 above.And dull and stereotyped 6 as shown in Figure 1, overlap above cell assembly 1.Dull and stereotyped 6, as shown in Fig. 1 and Fig. 2 etc., are provided with multiple busbar resettlement section 61, multiple electric wire resettlement section 62, multiple wired portion resettlement section 63 and hinge 64 etc.
Above-mentioned busbar resettlement section 61 as shown in Figure 1 and Figure 2, is configured to the box embedded by busbar 3, collecting busbar 3 and the bus bar junctions 41 overlapped on busbar 3.Multiple busbar resettlement section 61 is along the overlapping direction of multiple battery 10, that is, arrow X arranges.In addition, the row that these multiple busbar resettlement sections 61 are arranged as shown in Figure 1, along the Width of dull and stereotyped 6, that is, arrange two row along arrow Z is spaced at intervals.In addition, each busbar resettlement section 61 as shown in Figure 2, by the diapire 61a be positioned at by busbar 3 on surface, is formed as box from the perisporium 61b of the outer rim setting setting of this diapire 61a.In addition, above-mentioned diapire 61a is arranged the not shown pair of plates hole that positive pole 12 and negative pole 13 can be made respectively to pass through.Further, arrange the not shown slit that the spline projection 41b being located at bus bar junctions 41 can be inserted on above-mentioned perisporium 61b.The slit of the spline projection 41b being located at above-mentioned bus bar junctions 41, the perisporium 61b being located at busbar resettlement section 61 is same, the spline structure of the terminal 4 when becoming clamp nut.
Above-mentioned multiple electric wire resettlement section 62 arranges multiple on the straight line parallel with the orientation of multiple busbar resettlement section 61.Electric wire resettlement section 62 is configured to the rhone shape of accommodating the multiple electric wires 5 be connected with each terminal 4 respectively.In addition, the row that these multiple electric wire resettlement sections 62 are arranged as shown in Figure 1, along the Width of dull and stereotyped 6, that is, arrange two row along arrow Z is spaced at intervals.In addition, multiple electric wire resettlement section 62 is configured in the mode be positioned at by two row being arranged above-mentioned multiple busbar resettlement section 61 between two above-mentioned row.In addition, multiple electric wire resettlement section 62 respectively as shown in Figure 2, by the diapire 62a be positioned at by multiple electric wire 5 on surface, is formed as draining flute profile from the sidewall 62b of the both ends setting setting of the arrow Z-direction of this diapire 62a.
Busbar resettlement section 61 in opposite directions spaced at intervals and electric wire resettlement section 62 link by above-mentioned multiple wired portion resettlement section 63, the wired portion 42 of accepting terminals 4.Multiple wired portion resettlement section 63 as shown in Figure 1, by the Width by edge dull and stereotyped 6, that is, the diapire 63a linked along the diapire 61a of arrow Z busbar the resettlement section 61 opposite each other and diapire 62a of electric wire the resettlement section 62 and outer rim from diapire 63a is erect arrange and along dull and stereotyped 6 the perisporium 61b of Width busbar resettlement section 61 opposite each other and the wall 63b that links for a pair that links of the sidewall 62b of electric wire resettlement section 62 be formed as draining flute profile.The wired portion 42 of terminal 4 is positioned on the surface by above-mentioned diapire 63a.In addition, the locking pawl 63c above the pair of side plates 42c being engaging in and being arranged on wired portion 42 is set on link wall 63b.
Hinge 64 is by connected to each other for the busbar resettlement section 61 adjoined each other, and strain is freely formed.In addition, hinge 64 is formed cross section C word shape, by the both ends strain in a direction close to each other of C word shape, or the both ends of C word shape are to the direction strain mutually left, namely, strain in a telescopic manner, the interval between the busbar resettlement section 61 that change adjoins each other.
Then, the assembling sequence of above-mentioned supply unit is described.When assembling supply unit, manufacture flat board 6, busbar 3, terminal 4 etc. respectively.First, make busbar 3 close, to overlap the diapire 61a of busbar resettlement section 61, busbar 3 is embedded the busbar resettlement section 61 of dull and stereotyped 6.If busbar 3 embeds busbar resettlement section 61, be then arranged on the not shown plate well on busbar resettlement section 61 and cylindrical void 3a overlap of confluxing.Or each busbar 3 that is shaped also can be inlayed in advance in busbar resettlement section 61.Then, the spline projection 41b be arranged on the bus bar junctions 41 of terminal 4 is made to insert the not shown slit be arranged on the perisporium 61b of busbar resettlement section 61, and the bus bar junctions 41 of terminal 4 is overlapped on busbar 3, terminal 4 is housed in busbar resettlement section 61.In the past, be that the bus bar junctions 41 of the terminal 4 having installed electric wire 5 is housed in busbar resettlement section 61, but in the present invention, the bus bar junctions 41 of the terminal 4 of non-installing wire 5 be housed in busbar resettlement section 61.Therefore, also shaping terminal 4 can be inlayed in busbar resettlement section 61 in advance.
Then, example automatic wiring machine 7 as shown in Figure 4, is connected to the wired portion 42 of terminal 4, and is arranged in electric wire resettlement section 62 by electric wire 5 by the end of electric wire 5.Automatic wiring machine 7 shown in Fig. 4 is described as follows.As shown in the drawing, automatic wiring machine 7 possess cloth the end of a thread 71, crimping curler 72, for support these parts fixed frame 73, place the wiring plate that is located on fixed frame 73, and can the X-Y table 75 of movement all around.
The housing 71a of above-mentioned cloth the end of a thread 71 is lifting and is freely located in the upper flat plate 76 of fixed frame 73.In the upper end of above-mentioned upper flat plate 76, electric wire inlet tube 77 is set.In addition, electric wire supply pipe 78 is set in the bottom of housing 71a.In addition, a pair crimping curler 72 (with reference to Fig. 4 (B)) of the inverted V-shape of electric wire press-in is freely set in the lifting of the side of housing 71a.Then, to the automatic wiring machine 7 using the structure shown in Fig. 4, the end of electric wire 5 is connected to the wired portion 42 of terminal 4, and the operation that electric wire 5 is arranged in electric wire resettlement section 62 is described.
In addition, the flat board 6 of having accommodated busbar 3 and terminal 4 is placed on wiring plate.Then, want the mode of the circuit movement of being arranged by the electric wire 5 in electric wire resettlement section 62 along front end with electric wire supply pipe 78, X-Y table 75 is moved.In detail, with the front end of electric wire supply pipe 78 from the end of the arrow X-direction of electric wire resettlement section 62 towards the mode of wired portion 42 movement wanting the terminal 4 connected, X-Y table 75 is moved.Electric wire 5, along with the movement of X-Y table 75, is sent from electric wire supply pipe 78 by the not shown electric wire feed device being built in housing 71a.Accordingly, can to arrange in electric wire resettlement section 62 electric wire 5.
After making electric wire supply pipe 78 move to the wired portion 42 of terminal 4, as shown in Fig. 4 (B), the mode directly between a pair crimp knife 42d leaning on side, electric wire resettlement section 62 is most configured in, mobile X-Y table 75 with the electric wire 5 supplied from electric wire supply pipe 78.In addition, in Fig. 4 (B), omit the side plate 42c of wired portion 42.After this, a pair crimping curler 72 is declined, electric wire 5 is pressed between a pair crimp knife 42d.Accordingly, the insulation coating of electric wire 5 destroys by crimp knife 42d, is crimped on the heart yearn of electric wire 5.After this, for two remaining crimp knife 42d, also with same operation crimped electric wire 5.The movement of above-mentioned X-Y table 75 is by controls such as microcomputers.After this, at riveted joint a pair riveting sheet 42b, after electric wire 5 is fixing, same, using as installed busbar 3, terminal 4, electric wire 5 the battery connecting structure 2 of flat board 6 be installed to cell assembly 1, complete assembling.
According to above-mentioned supply unit, if wired portion 42 is pressed into each other by electric wire 5, then poked by the insulation coating of electric wire 5, at least one pair of the crimp knife 42d be crimped on the heart yearn of this electric wire 5 is formed.Therefore, it is possible to use automatic wiring machine 7 as shown in Figure 4, make the arrangement automation of electric wire 5, cost can be sought and reduce.
Then, with reference to Fig. 5 and Fig. 6, the second execution mode of the present invention is described as follows.Fig. 5 is the vertical view of the battery connecting structure of the present invention 2 in the second execution mode.Fig. 6 (A) is the stereogram representing the busbar terminal unit shown in Fig. 5, and Fig. 6 (B) is the stereogram of the state before the bending machining representing the busbar terminal unit shown in Fig. 5.
In the first above-mentioned execution mode, busbar 3 and terminal 4 are set respectively, but in this second embodiment, busbar 3 and terminal 4 are wholely set as busbar terminal unit 8.As shown in Fig. 6 (A), busbar terminal unit 8, by carrying out pressure processing to a metallic plate, is integrally formed busbar 3, terminal 4, linking part 9.Busbar 3 is same with the first execution mode, is the structure being provided with the cylindrical void 3a that confluxes for a pair that the positive pole 12 of mutually adjacent battery 10 and negative pole 13 pass through.Terminal 4 is same with the first execution mode, by superimposed on busbar 3 and with busbar 3 electrical resistance the bus bar junctions 41 that is connected and the wired portion 42 of installing the electric wire 5 be connected with bus bar junctions 41 form.
Above-mentioned bus bar junctions 41 is different from the first execution mode, is configured to the size identical with busbar 3, shape, is provided with the pair of end sub-aperture 41a that positive pole 12 and negative pole 13 pass through.Said wires connecting portion 42 is identical with the first execution mode, be provided with electric wire 5 located in its surface base plate 42a, from this base plate 42a erect arrange a pair riveting sheet 42b, to erect from base plate 42a and arrange and electric wire 5 be positioned at pair of side plates 42c each other, from the outstanding to the inside three couples of crimp knife 42d of pair of side plates 42c.With regard to these base plates 42a, a pair riveting sheet 42b, pair of side plates 42c and crimp knife 42d, be described in the first embodiment, therefore, omit detailed description here.Busbar 3 and terminal 4 link by above-mentioned linking part 9.Linking part 9 is to be set up the mode connected to each other along the end of orientation (that is, arrow X) of the cylindrical void 3a that confluxes for a pair of busbar 3 and terminal 4, pair of end sub-aperture 41a.
Then, the formation process of above-mentioned busbar terminal unit 8 is described.First, by punching press a metal is as Fig. 6 (A) Suo Shi.Form the metallic plate of this busbar terminal unit 8 in order to crimp knife 42d can be formed, and the thickness of the thick about half (0.4mm) of the 1mm used according to busbar 3 is in the past formed.By the metallic plate shown in this Fig. 6 (A) along linking part 9 warpage 180 degree, by busbar 3 and bus bar junctions 41 overlap.This busbar 3 is roughly the same with busbar 3 in the past with the aggregate thickness of both bus bar junctions 41, can guarantee intensity.After this, wired portion 42 is formed by pressure processing.
Then, the assembling sequence of the supply unit of above-mentioned structure is described.When assembling supply unit, flat board 6, busbar terminal unit 8 are connected respectively.First, make the busbar 3 of busbar terminal unit 8 close, to overlap the diapire 61a of busbar resettlement section 61, busbar terminal unit 8 is embedded the busbar resettlement section 61 of dull and stereotyped 6.If busbar terminal unit 8 is embedded busbar resettlement section 61, then not shown plate well, the cylindrical void 3a that confluxes, terminal hole 41a are overlapped.Or each busbar terminal unit 8 that is shaped also can be inlayed in advance on busbar resettlement section 61.In addition, when busbar terminal unit 8 is embedded busbar resettlement section 61, same with the first execution mode, non-installing wire 5 on terminal 4.
Then, same with the first execution mode, example automatic wiring machine 7 as shown in Figure 4, is connected to the wired portion 42 of terminal 4, and is arranged in electric wire resettlement section 62 by electric wire 5 by the end of electric wire 5.After this, at riveted joint a pair riveting sheet 42b, after electric wire 5 is fixing, same, by installed busbar 3, terminal 4, electric wire 5 flat board 6 be fixed on cell assembly 1, complete assembling.
According to above-mentioned supply unit, same with the first execution mode, if wired portion 42 is pressed into each other by electric wire 5, then poked by the insulation coating of electric wire 5, at least one pair of the crimp knife 42d be crimped on the heart yearn of this electric wire 5 is formed.Therefore, it is possible to use automatic wiring machine 7 as shown in Figure 4, make the arrangement automation of electric wire 5, cost can be sought and reduce.
In addition, according to above-mentioned supply unit, because bus bar junctions 41 is integrally formed with the busbar 3 being installed in positive pole 12 and these two electrodes of negative pole 13, so, as the first execution mode, there is no need to be arranged on and the spline of fastening nuts to the terminal 4 during electrode is constructed, cost can be sought and reduce.
In addition, according to above-mentioned supply unit, link by means of only by the end of linking part 9 by the end of busbar 3 and terminal 4, busbar 3 can be made simply to be integrated with terminal 4 one-tenth.
In addition, according to above-mentioned supply unit, because busbar 3 is made up of the side that a metallic plate warpage 180 degree is overlapping, terminal 4 is made up of the opposing party that a metallic plate warpage 180 degree is overlapping, so, carry out warpage processing by means of only to a metallic plate, busbar 3 can be made simply to be integrated with terminal 4 one-tenth.
In addition, according to above-mentioned execution mode, busbar 3 is made up of the side that a metallic plate warpage 180 degree is overlapping, and terminal 4 is made up of the opposing party that a metallic plate warpage 180 degree is overlapping, but the present invention is not limited thereto.Such as, also wired portion 42 can be set in the end of a metallic plate, have this metallic plate concurrently function as busbar 3 and bus bar junctions 41.
In addition, according to the above-mentioned first and second execution mode, be provided with wired portion 42 integratedly with bus bar junctions 41, but the present invention is not limited thereto.Such as, also bus bar junctions 41 and wired portion 42 can be set in split.
In addition, according to the second above-mentioned execution mode, the direction (that is, arrow Z) along the cylindrical void 3a that confluxes for a pair, the terminal hole 41a arrangement of busbar 3 and bus bar junctions 41 is provided with linking part 9, but the present invention is not limited thereto.Such as, also linking part 9 can be set along the direction (that is, arrow Y) orthogonal with the above-mentioned orientation of busbar 3 and busbar linking part 9.
In addition, above-mentioned execution mode merely illustrates representational form of the present invention, and the present invention is not defined to execution mode.That is, various distortion can be carried out implement in the scope not departing from important document of the present invention.
1: cell assembly; 3: busbar; 4: terminal; 5: electric wire; 9: linking part; 10: battery; 12: positive pole; 13: negative pole; 42d: crimp knife.
1. a supply unit, described supply unit possesses
The cell assembly be made up of multiple batteries that the mode alternately arranged with positive pole and negative pole is superimposed,
By the positive pole of mutually adjacent above-mentioned battery and negative pole are connected, the busbar that these multiple serial battery are connected,
Be connected with above-mentioned busbar and be provided with the terminal of electric wire,
If the said wires that above-mentioned terminal possesses is pressed into each other, then the insulation coating of said wires is poked, be crimped at least one pair of crimp knife on the heart yearn of this electric wire,
Be provided with the busbar resettlement section for accommodating busbar and be provided with the wired portion resettlement section for accommodating wired portion flat board,
By connected to each other for the busbar resettlement section adjoined each other, be formed cross section C word shape, and change the hinge of the compartment of terrain strain between the busbar resettlement section that adjoins each other, it is characterized in that,
The wired portion resettlement section of above-mentioned flat board is provided with the locking pawl above the side plate being engaging in above-mentioned terminal,
Above-mentioned busbar and above-mentioned terminal are integrally formed.
2. supply unit as claimed in claim 1, is characterized in that,
Above-mentioned terminal is arranged on above-mentioned busbar superimposedly,
Possess and the end of the end of above-mentioned busbar and above-mentioned terminal is linked all-in-one-piece linking part.
3. supply unit as claimed in claim 2, is characterized in that,
Above-mentioned busbar is made up of the side that a metallic plate warpage 180 degree is overlapping,
Above-mentioned terminal is made up of the opposing party that an above-mentioned metallic plate warpage 180 degree is overlapping.
4. a battery connecting structure, described battery connecting structure possesses
By positive pole and the negative pole connection of the mutually adjacent above-mentioned battery in multiple batteries that the mode alternately will arranged with positive pole and negative pole is superimposed, the busbar that these multiple serial battery are connected,
Be connected with above-mentioned busbar, and be provided with electric wire terminal,
The wired portion resettlement section of above-mentioned flat board is provided with the locking pawl above the side plate being engaging in above-mentioned terminal.
CN201080018969.1A 2009-08-18 2010-08-17 Power-supply device and battery connector CN102414871B (en)
JP2009-188893 2009-08-18
CN102414871A CN102414871A (en) 2012-04-11
CN102414871B true CN102414871B (en) 2015-03-04
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