Source: https://patents.google.com/patent/JP2011091003A/en
Timestamp: 2020-08-08 10:42:58
Document Index: 585103828

Matched Legal Cases: ['art 22', 'art 22', 'art 32', 'art 30', 'art 30', 'art 32', 'art 32', 'art 31', 'art 30', 'art 30', 'art 32', 'art 30', 'art 31', 'art 32', 'art 33']

JP2011091003A - Battery connection assembly - Google Patents
JP2011091003A
JP2011091003A JP2009245638A JP2009245638A JP2011091003A JP 2011091003 A JP2011091003 A JP 2011091003A JP 2009245638 A JP2009245638 A JP 2009245638A JP 2009245638 A JP2009245638 A JP 2009245638A JP 2011091003 A JP2011091003 A JP 2011091003A
JP2009245638A
2009-10-26 Application filed by Autonetworks Technologies Ltd, Sumitomo Electric Ind Ltd, Sumitomo Wiring Syst Ltd, 住友電気工業株式会社, 住友電装株式会社, 株式会社オートネットワーク技術研究所 filed Critical Autonetworks Technologies Ltd
2009-10-26 Priority to JP2009245638A priority Critical patent/JP2011091003A/en
2011-05-06 Publication of JP2011091003A publication Critical patent/JP2011091003A/en
<P>PROBLEM TO BE SOLVED: To provide a battery connection assembly capable of readily adjusting the gap of pitch between mutually adjacent electrode terminals. <P>SOLUTION: The battery connection assembly 14 includes a plurality of connection units 15, having connection members 17 for connecting electrode terminals 11 of adjacent single batteries 12, and respective connection units 15A, 15B have sliding rod sections 30, protruding in a lined-up direction of the connection units 15; and groove sections 32 slidably storing the sliding rod sections 30 in the lined direction, by fitting on the outer peripheral surfaces of the sliding rod sections 30 at the adjacent connection unit 15. The plurality of connection units 15 are connected, by having the groove sections 32 fit on the sliding rod sections 30. <P>COPYRIGHT: (C)2011,JPO&INPIT
However, an assembly tolerance is set between the plurality of arranged single cells. For this reason, in a battery module in which a plurality of unit cells are arranged, the pitch between electrode terminals formed in adjacent unit cells is shifted. Then, when the battery connection plate described above is connected to the electrode terminal, a positional shift occurs between the electrode terminal and the connection member of the battery connection plate, which may reduce the efficiency of the battery connection plate connection work. Is done.
The present invention provides a battery connection assembly for connecting the cell groups in a battery module having a cell group in which a plurality of cells having positive and negative electrode terminals are arranged, and the electrodes of the adjacent cell cells A plurality of connection units each having a connection member for connecting terminals, wherein each connection unit includes a slide bar portion projecting in an arrangement direction of the connection units, and an outer periphery of the slide bar portion in the adjacent connection unit A groove portion that is fitted to a surface and is slidably accommodated in the arrangement direction, and the plurality of connection units are connected by fitting the groove portion to the slide rod portion. It is characterized by.
According to the present invention, the slide bar portion slides in the groove portion in the direction in which the connection units are arranged, whereby the pitch deviation between the electrode terminals can be adjusted.
One of the slide bar part and the groove part is provided with a stopper that protrudes toward the other side, and the other of the slide bar part and the groove part is brought into contact with the stopper from the alignment direction. It is preferable that a restricting portion for restricting the slide rod portion from coming out of the groove portion in the arrangement direction is provided.
According to this aspect, since the slide bar is prevented from coming out of the groove when the regulating part comes into contact with the stopper, the efficiency of the work of assembling the battery connection assembly to the unit cell group can be improved.
It is preferable that a cross-sectional shape of the slide bar portion is circular, and a cross-sectional shape of the groove portion is a sector shape having a central angle larger than 180 ° and smaller than 360 °.
According to this aspect, the slide bar portion can be easily fitted in the groove portion, and the slide bar portion can be easily slid in the groove portion.
FIG. 1 is a plan view showing the battery module according to the present embodiment. FIG. 2 is a perspective view showing the battery module. FIG. 3 is a perspective view showing a unit cell group. FIG. 4 is a perspective view showing the main connection unit. FIG. 5 is a side view showing the main connection unit. FIG. 6 is a plan view showing the sub-connection unit. FIG. 7 is a perspective view showing the sub-connection unit. FIG. 8 is an enlarged plan view of a main part showing a state in which the cells are close to each other. FIG. 9 is an enlarged plan view of a main part showing a state where the single cells are separated from each other. FIG. 10 is an enlarged plan view of a main part showing a battery module according to another embodiment.
An embodiment of the present invention will be described with reference to FIGS. The battery module 10 according to the present embodiment is used as a power source of, for example, an electric vehicle or a hybrid vehicle. The battery module 10 includes a unit cell group 13 in which a plurality of unit cells 12 having positive and negative electrode terminals 11 are arranged. The cell groups 13 are connected by a battery connection assembly 14. In the following description, it is assumed that the upper side in FIG.
As shown in FIG. 2, the main connection unit 15A is made of synthetic resin and has a box shape opening upward in FIG. A connecting member 17 formed by pressing a metal plate into a predetermined shape is accommodated in the connecting member accommodating portion 16 of the main connecting unit 15A. The connection member 17 can be formed of an arbitrary metal material as required, such as copper, copper alloy, stainless steel (SUS), or the like. Moreover, arbitrary metal plating, such as tin plating and nickel plating, can be formed on the surface of the connection member 17 as necessary.
As shown in FIG. 5, the upper end edge of the side wall of the voltage detection line accommodating part 22 protrudes so as to overlap the bottom wall of the voltage detection line accommodating part 22, and the voltage detection line 21 does not protrude outside. A holding portion 23 is formed to be held on the surface.
As shown in FIG. 7, the sub-connection unit 15 </ b> B is made of synthetic resin, and is connected to the power terminal housing portion 27 in which the power terminal fitting 26 connected to the electrode terminal 11 is housed, and to the power terminal housing portion 27. And a voltage detection line accommodating portion 22 in which the voltage detection line 21 is accommodated.
As shown in FIG. 1, among the side walls constituting each connection unit 15 </ b> A, 15 </ b> B, the pair of side walls extending in the direction along the alignment direction of the connection units 15 (the direction indicated by the arrow A in FIG. 1) A base 29 that protrudes outward in the thickness direction of the side wall (vertical direction in FIG. 1) is provided at a position near one end in the arrangement direction. The base 29 is formed with a slide bar 30 that protrudes in the direction in which the connection units 15 are arranged.
The cross-sectional shape of the slide bar portion 30 is circular. The length dimension of the slide bar portion 30 is set to be equal to or more than the sum of manufacturing tolerances and assembly tolerances between adjacent unit cells 12.
Of the side walls constituting each connection unit 15A, 15B, the connection units 15 are arranged on a pair of side walls extending in a direction along the alignment direction of the connection units 15 (the direction indicated by the arrow A in FIG. 1). Thus, a protruding portion 31 that protrudes outward in the thickness direction of the side wall (vertical direction in FIG. 1) is provided at a position corresponding to the stopper 33 portion.
On the upper surface of the protruding portion 31, a groove portion 32 is formed in which the slide rod portion 30 is accommodated so as to be slidable in the direction in which the connection units 15 are arranged. As shown in FIG. 5, the cross-sectional shape of the groove portion 32 is a fan having a central angle larger than 180 ° and smaller than 360 °, and is formed so as to be fitted to the outer peripheral surface of the slide rod portion 30.
The inner diameter dimension of the inner peripheral surface of the groove part 32 is set to be slightly larger than the outer diameter dimension of the slide bar part 30. Thereby, the slide rod part 30 can slide easily in the groove part 32.
As shown in FIG. 1, a stopper 33 is provided at the tip of the slide bar portion 30 so as to protrude toward the groove 32 fitted to the slide bar portion 30. In the present embodiment, the stopper 33 is formed larger than the diameter of the slide bar portion 30 and is formed in a disc shape. The end edge 34 of the groove 32 abuts against the stopper 33 from the arrangement direction of the connection units 15, thereby restricting the slide bar 30 from coming out of the groove 32 in the arrangement direction (FIG. 9). reference). In this embodiment, the edge 34 of the groove part 32 formed in the protrusion part 31 is corresponded to the control part as described in a claim.
The slide rod portion 30 is fitted into the groove portion 32 formed in the protruding portion 31 of the connection unit 15 from above. Thereby, each connection unit 15A, 15B is connected.
Now, a manufacturing tolerance is set for each unit cell 12. Further, an assembly intersection is set between the adjacent unit cells 12. For this reason, the pitch interval between the adjacent electrode terminals 11 may deviate within the range of manufacturing tolerances and assembly intersections.
First, the operator moves the battery connection assembly 14 from above with the unit cell group in a state where the position of the electrode terminal 11 protruding upward from the unit cell 12 and the position of the opening 19 of the connection unit 15 are substantially aligned. 13 is placed. At this time, the electrode terminal 11 is inserted into the electrode terminal insertion hole of the connection member 17 arranged at a position aligned with the electrode terminal 11.
On the other hand, when the electrode terminal 11 and the electrode terminal insertion hole of the connection member 17 are arranged at positions that do not match, the upper end of the electrode terminal 11 abuts on the connection member 17 from below, Is not inserted.
Subsequently, the operator slides the connection units 15A and 15B in the arrangement direction. As described above, in the present embodiment, the slide bar portion 30 is slidable in the groove portion 32 in the arrangement direction of the cells 12. For this reason, each connection unit 15A, 15B can be slid within the range of the length dimension of the slide rod part 30 (refer FIG.8 and FIG.9). And since the length dimension of the slide bar part 30 is set to be equal to or more than the sum of the manufacturing tolerance and the assembly tolerance of the unit cell 12, it is manufactured by sliding each connection unit 15A, 15B. The positional deviation of the pitch interval of the electrode terminals 11 due to the tolerance and the assembly tolerance can be absorbed.
As a result, the position of the electrode terminal 11 and the position of the electrode terminal insertion hole can be easily aligned. Thereby, all the electrode terminals 11 can be inserted in the electrode terminal insertion hole.
According to this embodiment, when assembling the battery connection assembly 14 to the unit cell group 13, the operator assembles the electrode terminal 11 and the electrode terminal insertion hole from above in a state where the positions of the electrode terminal 11 and the electrode terminal insertion hole are substantially aligned. By sliding the connection units 15A and 15B in the arrangement direction, it is possible to easily adjust the deviation in the pitch interval of the electrode terminals 11.
In the present embodiment, since the slide bar portion 30 is slidable in the groove portion 32, it is only necessary to apply a relatively small force when displacing each connection unit 15A, 15B in the arrangement direction. For this reason, the efficiency of the assembly | attachment operation | work of the battery connection assembly 14 can be improved.
Further, as the single battery 12 constituting the single battery group 13, for example, a lithium ion battery having a relatively large volume change may be used when charging and discharging are repeated. Then, even after the battery connection assembly 14 is assembled, there is a concern that the interval between the adjacent unit cells 12 may be increased or decreased when charging and discharging are repeated. In the present embodiment, even in this case, the change in the interval between the single cells 12 can be collected by sliding the slide bar portion 30 in the groove portion 32.
Specifically, as shown in FIG. 8, in a state where the single cells 12 are in contact with each other, the slide bar portion 30 slides and is displaced in a direction in which the adjacent connection units 15 approach each other. Thereby, the displacement of the direction where the space | interval of the cell 12 becomes narrow can be absorbed.
On the other hand, as shown in FIG. 9, in a state where the single cells 12 are separated from each other, the slide member slides and is displaced in a direction in which the adjacent connection units 15 are separated from each other. Thereby, the displacement of the direction where the space | interval of the cell 12 becomes wide can be absorbed.
Further, in this embodiment, the stopper 33 provided at the tip of the slide bar portion 30 comes into contact with the end edge of the groove portion 32 provided in the protruding portion 31 so that the slide rod portion 30 comes out of the groove portion 32. Is regulated. For this reason, it is less necessary for the operator to pay attention to the fact that the connection units 15A and 15B are separated by the slide bar portion 30 falling out of the groove portion 32. As a result, the burden on the operator is reduced, and the efficiency of the work of assembling the battery connection assembly 14 is improved.
Further, in the present embodiment, the cross-sectional shape of the slide bar portion 30 is circular, and the cross-sectional shape of the groove portion 32 is a sector shape having a central angle larger than 180 ° and smaller than 360 °. Accordingly, the slide bar portion 30 can be easily fitted into the groove portion 32 and the slide rod portion 30 can be easily slid within the groove portion 32.
(1) In the present embodiment, a pair of slide bar portions 30 is formed at one end of the connection unit 15 and a pair of protrusions 31 are formed at the other end. 10, as shown in FIG. 10, the slide bar portion 30 and the protruding portion 31 are formed at one end portion of the connection unit 15, and the protruding portion 31 is provided at a corresponding position of the other end portion, respectively. The slide rod portion 30 may be formed.
(2) The number of slide bar portions 30 provided in each connection unit 15A, 15B may be one, or a plurality of three or more. Each connection unit 15 </ b> A, 15 </ b> B is provided with the same number of groove portions 32 as the slide rod portions 30 at positions aligned with the slide rod portions 30.
(3) The cross-sectional shape of the slide bar portion 30 is not limited to a circular shape, and may be an oval shape or an elliptical shape, or may be a polygonal shape such as a triangular shape or a rectangular shape, and an arbitrary shape is adopted as necessary. sell. Moreover, the cross-sectional shape of the groove part 32 can be made into arbitrary shapes as needed corresponding to the cross-sectional shape of the slide bar part 30.
(4) In this embodiment, the stopper 33 is formed in a disc shape larger than the diameter of the slide bar 30 at the tip of the slide bar 30 and the restricting part is the edge of the protruding part 31. For example, a protrusion (corresponding to a stopper) that protrudes radially outward from the outer surface of the slide rod portion 30 is formed, and a recess (corresponding to a restricting portion) is formed on the inner peripheral surface of the groove portion 32. The inner wall surface and the protrusion may be in contact with each other in the arrangement direction, and a protrusion (corresponding to a stopper) that protrudes inward from the inner peripheral surface of the groove portion 32 is formed, and a concave portion is formed on the outer peripheral surface of the slide bar portion 30. (Corresponding to a restricting portion) may be formed, and the inner wall surface of the recess and the protrusion may be in contact with each other in the arrangement direction, and the stopper and the restricting portion may adopt any shape as necessary.
(5) In this embodiment, the connecting member 17 connects the electrode terminals 11 of different polarities (single cells 12 connected in series), but is not limited to this, and connects the electrode terminals 11 of the same polarity (single The batteries 12 may be connected in parallel.
(6) The number of unit cells 12 may be 2 to 9, or 10 or more, and can be arbitrarily set as necessary.
DESCRIPTION OF SYMBOLS 10 ... Battery module 11 ... Electrode terminal 12 ... Single cell 13 ... Single cell group 14 ... Battery connection assembly 15A ... Main connection unit (connection unit 15)
15B ... Sub-connection unit (connection unit 15)
17 ... Connecting member 30 ... Slide bar part 32 ... Groove part 33 ... Stopper 34 ... Edge (regulation part)
A battery connection assembly for connecting the unit cell group in a battery module having a unit cell group in which a plurality of unit cells having positive and negative electrode terminals are arranged,
Each connection unit is fitted to a slide bar portion that protrudes in the direction in which the connection units are arranged, and an outer peripheral surface of the slide bar portion in the adjacent connection unit, and the slide bar portion slides in the arrangement direction. A battery connection assembly, wherein the plurality of connection units are coupled to the slide bar portion by fitting the groove portions.
One of the slide bar part and the groove part is provided with a stopper that protrudes toward the other side, and the other of the slide bar part and the groove part is brought into contact with the stopper from the alignment direction. 2. The battery connection assembly according to claim 1, further comprising a restricting portion that restricts the slide rod portion from coming out of the groove portion in the arrangement direction.
The cross-sectional shape of the slide bar portion is a circular shape, and the cross-sectional shape of the groove portion is a sector shape having a central angle larger than 180 ° and smaller than 360 °. A battery connection assembly according to claim 1.
JP2009245638A 2009-10-26 2009-10-26 Battery connection assembly Pending JP2011091003A (en)
JP2009245638A JP2011091003A (en) 2009-10-26 2009-10-26 Battery connection assembly
JP2011091003A true JP2011091003A (en) 2011-05-06
ID=44109055
JP2009245638A Pending JP2011091003A (en) 2009-10-26 2009-10-26 Battery connection assembly
JP (1) JP2011091003A (en)
WO2012127962A1 (en) * 2011-03-18 2012-09-27 株式会社オートネットワーク技術研究所 Wiring module
WO2013005558A1 (en) * 2011-07-05 2013-01-10 株式会社オートネットワーク技術研究所 Cell wiring module
WO2013005516A1 (en) * 2011-07-05 2013-01-10 株式会社オートネットワーク技術研究所 Cell wiring module
JP2013030339A (en) * 2011-07-28 2013-02-07 Auto Network Gijutsu Kenkyusho:Kk Battery wiring module
JP2013054997A (en) * 2011-09-06 2013-03-21 Auto Network Gijutsu Kenkyusho:Kk Battery wiring module
JP2013062218A (en) * 2011-09-15 2013-04-04 Auto Network Gijutsu Kenkyusho:Kk Battery wiring module
JP2013062220A (en) * 2011-09-15 2013-04-04 Auto Network Gijutsu Kenkyusho:Kk Battery wiring module
JP2013161566A (en) * 2012-02-02 2013-08-19 Auto Network Gijutsu Kenkyusho:Kk Battery wiring module
WO2013125727A1 (en) * 2012-02-23 2013-08-29 Yazaki Corporation Wire arranging device for batteries
WO2014013946A1 (en) 2012-07-18 2014-01-23 株式会社オートネットワーク技術研究所 Battery wiring module
WO2014033950A1 (en) * 2012-09-03 2014-03-06 株式会社オートネットワーク技術研究所 Battery wiring module
WO2014119034A1 (en) 2013-02-01 2014-08-07 株式会社オートネットワーク技術研究所 Wiring module
JP2014216218A (en) * 2013-04-26 2014-11-17 矢崎総業株式会社 Bus bar module and power supply device
WO2014192644A1 (en) * 2013-05-27 2014-12-04 矢崎総業株式会社 Bus bar module and power supply device
JP2014238986A (en) * 2013-06-07 2014-12-18 矢崎総業株式会社 Bus bar module and power supply device
JP2015138647A (en) * 2014-01-22 2015-07-30 トヨタ自動車株式会社 connection unit
JP2015153554A (en) * 2014-02-13 2015-08-24 住友電装株式会社 wiring module
KR101829347B1 (en) 2016-04-26 2018-02-14 한국단자공업 주식회사 Busbar assembly
US10181592B2 (en) 2014-05-07 2019-01-15 Autonetworks Technologies, Ltd. Electricity storage module
2009-10-26 JP JP2009245638A patent/JP2011091003A/en active Pending
US9083095B2 (en) 2011-03-18 2015-07-14 Autonetworks Technologies, Ltd. Wiring module
JP2012199007A (en) * 2011-03-18 2012-10-18 Auto Network Gijutsu Kenkyusho:Kk Battery module
JP2013016382A (en) * 2011-07-05 2013-01-24 Auto Network Gijutsu Kenkyusho:Kk Battery wiring module
US9184432B2 (en) 2011-07-05 2015-11-10 Autonetworks Technologies, Ltd Cell wiring module
CN103548178A (en) * 2011-07-05 2014-01-29 株式会社自动网络技术研究所 Cell wiring module
US9088040B2 (en) 2011-07-05 2015-07-21 Autonetworks Technologies, Ltd. Cell wiring module
JP2013016379A (en) * 2011-07-05 2013-01-24 Auto Network Gijutsu Kenkyusho:Kk Battery wiring module
US9299968B2 (en) 2012-02-23 2016-03-29 Yazaki Corporation Wire arranging device
CN104137302A (en) * 2012-02-23 2014-11-05 矢崎总业株式会社 Wire arranging device for batteries
JP2013175303A (en) * 2012-02-23 2013-09-05 Yazaki Corp Electric wire routing device
JP2014022175A (en) * 2012-07-18 2014-02-03 Auto Network Gijutsu Kenkyusho:Kk Wiring module for battery
CN105340105A (en) * 2013-05-27 2016-02-17 矢崎总业株式会社 Bus bar module and power supply device
JP2014229585A (en) * 2013-05-27 2014-12-08 矢崎総業株式会社 Bus bar module and power supply device
US10673049B2 (en) 2013-05-27 2020-06-02 Yazaki Corporation Bus bar module and power supply device
US9887408B2 (en) 2013-06-07 2018-02-06 Yazaki Corporation Bus bar module and power unit
CN105940523A (en) * 2014-01-22 2016-09-14 丰田自动车株式会社 Connection unit
US10074845B2 (en) 2014-01-22 2018-09-11 Toyota Jidosha Kabushiki Kaisha Connection unit
US20180254442A1 (en) * 2015-09-16 2018-09-06 Autonetworks Technologies, Ltd. Wiring module
US10483508B2 (en) 2015-09-16 2019-11-19 Autonetworks Technologies, Ltd. Wiring module
ES2398644T3 (en) 2013-03-20 Battery system with a plurality of batteries housed in an external box
EP2717349A1 (en) 2014-04-09 Secondary cell device
EP2624335B1 (en) 2018-02-21 Rechargeable battery assembly and pack including the same
EP2562842B1 (en) 2019-09-04 Battery module
US8377584B2 (en) 2013-02-19 Secondary battery module
JP2015111537A (en) 2015-06-18 Wiring module
EP2328205B1 (en) 2013-07-17 Battery pack
JP2013004523A (en) 2013-01-07 Battery module