JP5256634B2 - Assembled battery and connector module for assembled battery - Google Patents

Assembled battery and connector module for assembled battery Download PDF

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Publication number
JP5256634B2
JP5256634B2 JP2007078574A JP2007078574A JP5256634B2 JP 5256634 B2 JP5256634 B2 JP 5256634B2 JP 2007078574 A JP2007078574 A JP 2007078574A JP 2007078574 A JP2007078574 A JP 2007078574A JP 5256634 B2 JP5256634 B2 JP 5256634B2
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connector
plurality
connectors
portion
battery
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JP2008243412A (en
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泰介 磯永
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日産自動車株式会社
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage
    • Y02E60/12Battery technologies with an indirect contribution to GHG emissions mitigation

Description

  The present invention relates to an assembled battery and an assembled battery connector module.

  In general, a high-output and high-capacity assembled battery is formed by forming a battery group in which a plurality of unit cells (hereinafter referred to as batteries) are electrically connected in series and / or in parallel. ing.

  In such an assembled battery, in order to improve the reliability as an assembled battery, generally, the voltage of each battery is detected, and the remaining capacity of each battery is detected based on the detected voltage of each battery. Or a controller for controlling charging / discharging.

  If the battery electrodes (tabs) or terminals electrically connected to the tabs (hereinafter collectively referred to as “electrode terminals”) and the controller are connected to each battery via the voltage detection line, Workability when assembling batteries is poor.

Therefore, the battery group is provided with a plurality of terminal portions including a plurality of electrode terminals for detecting voltage, and is electrically connected to the electrode terminals included in the terminal portions while being connected to each of the terminal portions. There has been proposed an assembled battery in which each of the electrode terminals and the controller are electrically connected via a plurality of connectable connectors (see, for example, Patent Document 1).
JP 2006-32224 A

  However, as the number of batteries increases, the number of electrode terminals increases and the number of terminal portions also increases. For this reason, the effort which searches the terminal part corresponding to each of many connectors, and the trouble which routes the cable connected to the connector increase, and the assembly workability | operativity of an assembled battery worsens. Further, there is a possibility that the connector is erroneously connected to other terminal portions other than the terminal portion to be connected.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an assembled battery and an assembled battery connector module that can improve workability when connecting a connector and thus improve assembly workability of the assembled battery.

In order to achieve the above object, according to the first aspect of the present invention, there is provided a battery group in which a plurality of batteries are arranged , and electrode terminals of a predetermined number of batteries among the plurality of batteries constituting the battery group. A plurality of terminal portions and a plurality of voltage detection terminals, and the terminal portions are electrically connected together by electrode terminals of the terminal portions and the voltage detection terminals by being fitted to the terminal portions. A plurality of corresponding connectors, a plurality of cables connected to each of the connectors , a plurality of connector holding portions for holding a predetermined number of connectors of the plurality of connectors, and the connectors A holding member having a routing portion to which the plurality of cables formed by dividing the holding portion are routed , and the connector holding portion and the routing portion are relatively movable By connecting, A connector module which enables adjusting the distance between Kuta, a battery assembly comprising a.

In order to achieve the above object, an invention according to claim 11 is used for an assembled battery having a battery group formed by arranging a plurality of batteries, and a predetermined number of batteries among the plurality of batteries constituting the battery group. The electrode terminals are provided corresponding to the plurality of terminal portions arranged, and provided with a plurality of voltage detection terminals, and the electrode terminals of the terminal portions and the voltage detection terminals are collectively provided by being fitted to the terminal portions. A plurality of connectors electrically connected to each other, a plurality of cables connected to each of the connectors , a plurality of connector holding portions for holding a predetermined number of connectors among the plurality of connectors, And a holding member having a routing portion in which the plurality of cables formed by dividing the connector holding portion are routed , and the connector holding portion and the routing portion are relatively movable Connect to And by a pair connector module battery which enables adjusting the spacing of the connectors.

  Since each of the plurality of connectors is held by the holding member and can be connected to the corresponding terminal portion, it is possible to save the trouble of searching for the terminal portion corresponding to each of the connectors. For this reason, the workability | operativity at the time of connecting a connector improves, and by extension, the assembly workability | operativity of an assembled battery can be aimed at.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a perspective view showing an assembled battery 10 according to an embodiment of the present invention when viewed from the front side, FIG. 2 is a perspective view showing a state in which a holding member 110 on the front side of the connector module is removed, and FIG. 4 is a perspective view showing a battery module 40 which is a unit unit when assembling the assembled battery 10, FIG. 5 is a perspective view showing the battery module shown in FIG. FIG. 7 is an enlarged perspective view showing the front surface of the removed holding member 110 in FIG. 3, FIG. 8 is a perspective view showing the back surface of the holding member 110 in FIG. 7, and FIG. 10 is a partially enlarged view of a cross section taken along line XX of FIG. 9, FIG. 11 is a perspective view showing the connector holding portion 120 and the routing portion 130 of the holding member 110, and FIG. FIG. 13 is a perspective view showing a connecting portion between the cable holding portion 120 and the wiring portion 130 from the front side.

  In addition, the surface located in the right side in FIG. 10 is made into the front surface in each member, and the surface located in the left side is made into the back surface in each member.

  With reference to FIGS. 1, 5, and 6, the assembled battery 10 includes a battery group 20 in which a plurality of batteries 62 are arranged, and a predetermined number of batteries 62 among the plurality of batteries 62 constituting the battery group 20. A holding member 110 that holds a plurality of connectors 151 and 152 having a plurality of voltage detection terminals that can be electrically connected to the electrode terminals at once, and attaching the holding member 110 to the battery group 20 The connector module 100 can connect each of the connectors 151 and 152 to the corresponding electrode terminal of the battery 62.

  Furthermore, the assembled battery 10 includes a controller 90 that controls charging / discharging of the battery module 40 that forms a unit when the assembled battery 10 is assembled, a side plate 30, a lower plate 60 on which the battery group 20 is placed, and a battery group. And an upper plate 70 that holds and holds 20 between the lower plate 60 and the lower plate 60.

  The battery group 20 includes a plurality of battery modules 40 including terminal portions 41 and 42 including a plurality of terminals 65 and 66 and a plurality of electrically connected batteries 62, and the battery modules are connected to each other via a bus bar 33. Are formed by electrical connection.

  In the present embodiment, ten flat battery modules 40 are arranged in two rows in the thickness direction of the battery modules 40 and in five rows in a direction perpendicular to the thickness direction. The connectors 151 and 152 represent connectors in which the connector 151 is provided corresponding to each of the upper five battery modules 40, and the connector 152 is provided in correspondence to each of the lower five battery modules 40. Represents.

  Since the battery module 40 is air-cooled, the battery modules 40 are arranged with a cooling air passage 21 through which cooling air flows.

  By cooling each battery module 40 by flowing cooling air, the battery temperature is lowered, and the characteristics such as charging efficiency are prevented from deteriorating.

  The battery group 20 configured as described above is sandwiched between the plate-like lower plate 60 and the upper plate 70 and is pressed and held from the thickness direction. In the pressurization from the thickness direction, through bolts 80 are provided in through holes 51 and 52 provided at the corners of battery module 40 and holes provided in upper plate 70 corresponding to through holes 51 and 52 (not shown). ) And is fastened to a screw hole (not shown) provided in the lower plate 60.

  A side plate 30 is attached to the front surface of the battery group 20. Further, a holding member 110 is attached to the front side of the side plate 30. A holding member 110 is attached to the back surface of the battery group 20.

  Referring to FIG. 2, side plate 30 has a plate-like bus bar holding that integrally holds a plurality of bus bars 33, a window portion 32 through which connectors 151 and 152 are inserted, a bus bar 33 that is a conductive plate material. Plate 31.

  The window portion 32 is an opening having a shape substantially equal to the outer shape of the connectors 151 and 152, and is formed at a position facing the terminal portions 41 and 42 of the battery group 20.

  The bus bar holding plate 31 holds the bus bar 33 at a position facing the adjacent output terminals 43 and 44 of the two battery modules 40.

  The bus bar 33 has a bolt hole 34. The bolt 38 inserted through the bolt hole 34 is fastened to the screw holes 47 and 48 of the output terminals 43 and 44, whereby the bus bar 33 is connected to the output terminals 43 and 44.

  The bus bar 33 located at the lower stage of the battery group 20 is covered with an insulating cover member 35. The cover member 35 includes a base portion 36 attached to the front surface of the side plate 30 and a pair of cover portions 37 that are rotatably connected to the base portion 36 and cover the bus bar 33. The pair of covering portions 37 can change the bus bar 33 between a covering state and an exposed state by rotating like a wing.

  If the bus bar 33 is in an exposed state, after the assembled battery 10 is assembled, a conductive foreign substance may come into contact with the exposed bus bars 33 to cause a short circuit between the battery modules 40. However, by providing the cover member 35, it is possible to prevent occurrence of a short circuit between the lower battery modules 40.

  Referring to FIG. 3, an assembled battery connector module 100 used in an assembled battery 10 having a battery group 20 in which a plurality of batteries 62 are arranged includes a predetermined number of batteries 62 included in the battery group 20. A holding member 110 that holds a plurality of connectors 151 and 152 having a plurality of voltage detection terminals that can be electrically connected to the electrode terminals of the battery 62 at a time is provided, and the holding member 110 is attached to the battery group 20. As a result, each of the connectors 151 and 152 can be connected to a corresponding number of electrode terminals of the battery 62.

  In the present embodiment, the connector module 100 includes a plurality of connectors 151 and 152 provided in correspondence with each battery module 40 and a plurality of cables 153 (electric wires) connected to the connectors 151 and 152, respectively. The holding members 110 provided on the front surface (front side in FIG. 1) and the back surface (rear side in FIG. 1) of the battery group 20 are integrated.

  In the connector module 100, each of the plurality of connectors 151 and 152 is held by the holding member 110 and can be connected to the corresponding terminal portions 41 and 42. Therefore, the terminal portions corresponding to the connectors 151 and 152, respectively. It is possible to save the trouble of searching for 41 and 42. For this reason, the workability | operativity at the time of connecting the connectors 151 and 152 improves, and by extension, the assembly workability | operativity of the assembled battery 10 can be aimed at.

  The connector module 100 further includes adjusting means for adjusting the distances between the connectors 151 and 152. Details of the adjusting means will be described later.

  Referring to FIG. 4, in battery module 40, positive and negative output terminals 43 and 44 protrude from the peripheral wall 50 on the front side of case 49 to the outside. The case 49 has a flat box shape. The positive and negative output terminals 43 and 44 have conductive connection surfaces 45 and 46. The connection surfaces 45 and 46 electrically connect the outside of the battery module 40 and the plurality of batteries 62 in the case 49. Screw holes 47 and 48 are formed in the connection surfaces 45 and 46. Further, the battery module 40 has terminal portions 41 and 42 into which the connectors 151 and 152 are inserted on the front surface and the back surface.

  Referring to FIG. 5, the battery module 40 includes a cell unit 57 including a plurality of (eight in the illustrated example) batteries 62 housed in a case 49 that protects the cell unit 57.

  The case 49 includes a lower case 54 that has a box shape in which an opening 55 is formed, and an upper case 53 that forms a lid that closes the opening 55. The lower case 54 and the upper case 53 are formed of a relatively thin steel plate or aluminum plate, are given a predetermined shape by pressing, and have through holes 51 and 52 for inserting through bolts.

  The cell unit 57 includes eight batteries 62 that are stacked and connected in series, insulating covers 58 and 59 that are detachably attached to the front and rear surfaces of the battery 62 stack, and tabs (electrodes) of the battery 62. A plurality of spacers 60 and 61 for sandwiching 63 and 64 and positive and negative output terminals 43 and 44 as the battery module 40 are included.

  Terminal portions 41 and 42 including a plurality of terminals 65 and 66 for detecting a voltage are formed at the center positions of the insulating covers 58 and 59.

  Referring to FIG. 6, a battery 62 is, for example, a flat lithium ion secondary battery, and a laminated power generation element (not shown) in which a positive electrode plate, a negative electrode plate, and a separator are sequentially laminated is an exterior such as a laminate film. It is sealed with a material 67. In each battery 62, one end is electrically connected to the power generation element, and tabs (electrodes) 63 and 64 having a plate shape are led out from the exterior material 67 to the outside. The tabs 63 and 64 extend on both sides (front side and back side) of the battery 62 in the longitudinal direction. Terminals 65 and 66 formed of a metal plate are joined to the tabs 63 and 64. The terminals 65 and 66 have a plate thickness larger than that of the tabs 63 and 64. For this reason, the deformation of the tabs 63 and 64 due to the insertion and removal of the connectors 151 and 152 can be prevented.

  The terminals 65 and 66 are provided on the tabs 63 and 64 of each battery 62, and in the terminal portions 41 and 42, a plurality of terminals 65 and 66 are arranged on the same line along the battery stacking direction (in this embodiment, the same number as the number of stacked batteries 62). ) Is arranged. Therefore, by inserting one connector 151, 152 into one terminal portion 41, 42, a plurality of terminals 65, 66 can be electrically connected to the controller 90 at once.

  The electrical connection between the terminals 65 and 66 and the controller 90 may be performed for each battery 62 or may be performed collectively for the two batteries 62. When each battery 62 is connected, the voltage of each battery 62 can be detected, and when two batteries 62 are connected together, the voltage of two batteries 62 connected in series can be detected.

  Referring to FIG. 7, the holding member 110 attached to the front surface of the battery group 20 includes five connector holding portions 120 for holding a total of two connectors, one for each of the connectors 151 and 152, and a plurality of cables. 153 is arranged and has four routing parts 130 provided between the holding members 110 for holding the cable. The connector holding part 120 and the routing part 130 are formed separately.

  In the holding member 110, the connector holding portions 120 and the routing portions 130 are alternately arranged to form a straight line. The connector holding unit 120 and the routing unit 130 are connected so as not to be separated by the cable 153 by being connected to a plurality of cables 153.

  The connector holding part 120 has an insertion part 121 having a through hole through which the connectors 151 and 152 are inserted. The through holes of the insertion part 121 are formed so that the connectors 151 and 152 face the terminal parts 41 and 42 arranged in the vertical direction of the battery group 20. The cable 153 connected to the connectors 151 and 152 is drawn from the front side of the connector holding unit 120. The cables 153 drawn from the connectors 151 and 152 are routed on the front surface of the connector holding portion 120 and the front surface of the routing portion 130.

  As described above, the plurality of connectors 151 and 152 are held at predetermined positions, and the cable 153 is pre-routed in the routing unit 130. The work of searching for 42 and the trouble of routing a plurality of cables 153 can be saved. Therefore, the assembly workability of the assembled battery can be improved.

  A wall 122 is formed on the periphery of the connector holding portion 120 perpendicular to the front surface of the connector holding portion 120. With this wall 122, the cable 153 is routed without protruding from the front surface of the connector holding portion 120.

  Further, a pair of protrusions 123 are formed on the front surface of the connector holding portion 120 perpendicular to the surface. The protrusion 123 divides the plurality of cables 153 arranged into two, and forms a space 124 for directly pressing the connectors 151 and 152 between the two cables 153 divided into two.

  When assembling the assembled battery 10, it is necessary to check whether or not the connectors 151 and 152 are securely inserted into the terminal portions 41 and 42 by pressing the connectors 151 and 152 with a certain force with a probe of a pressure gauge. As described above, since the holding member 110 has the space portion 124, it is not necessary to divide the plurality of cables 153 to form the space portion 124 each time the connectors 151 and 152 are pressed by the probe. Can be improved.

  In the present embodiment, the protrusions 123 are provided in pairs. However, if at least a part of the connectors 151 and 152 is exposed, the number of the protrusions 123 may be one or more than two.

  Guide plates 131 and 132 are formed on the periphery along the long side of the routing portion 130. The cable 153 is routed by the guide plates 131 and 132 without protruding the front surface of the routing portion 130.

  The guide plate 131 formed along the upper long side of the routing portion 130 has a cable lead-out portion 133. The cable lead-out part 133 is formed by cutting out a part of the guide plate 131. The plurality of cables 153 are gathered and pulled out from the cable lead-out portion 133 and connected to the connector on the controller 90 side.

  The guide plate 131 formed on the upper side of the routing unit 130 is provided with two hooks 134 for locking the holding member 110 to the upper surface of the battery module 40 arranged in the upper stage. The hook 134 is provided on the upper surface of the guide plate 131 and extends in a direction from the front surface of the routing unit 130 toward the rear surface. At the tip of the hook 134, a claw that is engaged with the upper surface of the battery module 40 is formed.

  When the holding member 110 is attached to the battery group 20, the holding member 110 is supported by the hook 134 engaging with the upper surface of the battery module 40. For this reason, it is not necessary to support the holding member 110 by hand, for example, and workability | operativity can be improved.

  Referring to FIG. 8, the routing unit 130 includes a bus bar covering unit 135 that covers the bus bar 33. The bus bar covering portion 135 is formed at a position facing the bus bar 33, and has a structure in which the routing portion 130 protrudes in the direction from the back surface to the front surface along the shape of the bus bar 33. Further, the routing unit 130 has a bolt covering part 140 that covers the head of the bolt 38. The bolt covering portion 140 is formed at a position facing the head of the bolt 38 fastening the bus bar 33, and the bus bar covering portion 135 further protrudes in the direction from the back to the front along the shape of the head of the bolt 38. It has a structure.

  With such a structure, the holding member 110 is attached to the battery group 20 with the routing portion 130 being close to the front surface of the battery group 20. For this reason, the space of the side surface of the assembled battery 10 can be used effectively.

  The routing portion 130 is formed with a fixing portion 136 for fixing the routing portion 130 to the side plate 30. The fixing portion 136 is an L-shaped plate-like member that extends downward from the lower end of the routing portion 130 and is bent toward the side plate. The fixing part 136 has a hole 137 at the tip.

  The holding member 110 attached to the front surface of the battery group 20 has been described above. The holding member 110 attached to the back side of the battery group 20 has the same configuration as the holding member 110 on the front side. However, since the output terminals 43 and 44 are not provided on the back side of the battery group 20, the holding member 110 on the back side does not have the bus bar covering portion 135 and the bolt covering portion 140 in the wiring portion 130 and is flat. Is formed.

  With reference to FIG. 9, the routing portion 130 is disposed at a position covering the bus bar 33 without blocking the vent hole 22 formed in the side plate 30.

  For this reason, after the assembled battery 10 is assembled, the routing unit 130 can prevent the conductive foreign matter from contacting the bus bars 33 and can prevent the upper battery modules 40 from being short-circuited.

  Referring to FIG. 10, guide plates 131 and 132 formed on the periphery along the long side of routing portion 130 each have a through hole 138. The through hole 138 has a rectangular shape extending to the front side and the back side of the routing unit 130 and communicates with the space before and after the routing unit 130.

  A band 141 is passed through the through hole 138. In the routing unit 130, the band 141 is passed from the back side to the front side of the routing unit 130, sandwiching the routing unit 130 and the cable 153, and both ends of the band 141 are coupled under the lower guide plate 132. As a result, the cable 153 is held on the front surface of the routing unit 130.

  The guide plates 131 and 132 and the band 141 prevent the cable 153 from scattering on the front surface and the back surface of the assembled battery 10. For this reason, obstruction | occlusion of the ventilation hole 22 by the cable 153 is prevented, and the passage of cooling air becomes favorable.

  A protrusion 38 is formed around the vent hole 22 through which the cooling air passes. The projecting portion 38 includes a projecting portion 39 on a surface in contact with the cooling air. The routing portion 130 is attached to the side plate 30 with a hole 137 at the tip of the fixing portion 136 fitted into the protrusion 39.

  Referring to FIG. 11, connector module 100 further includes an adjusting means for adjusting the distance between connectors 151 and 152.

  The adjusting means is configured by connecting the connector holding part 120 and the routing part 130 so as to be relatively movable. Specifically, the adjusting means is configured by fitting a notch 139 formed at the left and right ends of the routing portion 130 and a convex portion 125 formed on the back surface of the insertion portion 121 of the connector holding portion 120. The

  The cut 139 has a shape larger than the outer shape of the convex portion 125. Therefore, even when the plurality of connector holding portions 120 and the plurality of routing portions 130 are connected by the cable 153, the connector holding portion 120 is positioned in the vertical and horizontal directions with respect to the routing portion 130. Can be adjusted.

  In the present embodiment, one connector holding unit 120 integrally holds the two connectors 151 and 152. For this reason, compared with the case where each one connector 151,152 is each hold | maintained with the one connector holding part 120, this embodiment can reduce a number of parts.

  However, in the fitting between the connectors 151 and 152 and the terminal portions 41 and 42, a dimensional accuracy higher than the dimensional accuracy of the distance between the connector 151 and the connector 152 is required, and one connector holding portion is used as in this embodiment. When 120 holds two connectors together, an adjustment means for adjusting the distance between the connector 151 and the connector 152 is required.

  Therefore, the adjusting means for adjusting the distance between the connectors is configured by holding any one of the connectors 151 and 152 movably with respect to the connector holding portion 120. More specifically, one of the two connectors 151 and 152 held by one connector holding part 120 is fixed to the connector holding part 120, and one of the remaining connectors 151 and 152 is a connector. These connectors are movably held with respect to the connector holding portion 120 to adjust the distance between the connectors.

  In order to hold one of the connectors 151 and 152 movably with respect to the connector holding portion 120, the insertion portion 121 forms a gap between the outer surface of one of the connectors 151 and 152. In addition, a through-hole 127 that regulates the orientation of the connectors 151 and 152 is provided.

  Thus, since one of the connectors 151 and 152 is movably held with respect to the connector holding unit 120, the connector holding unit 120 holds the two connectors 151 and 152 integrally. The connectors 151 and 152 can be adjusted to the positions of the terminal portions 41 and 42.

  Referring to FIG. 12, the connector holding portion 120 is formed on the back surface of the insertion portion 121 as described above while a part of the insertion portion 121 having a plurality of through holes is superimposed on the routing portion 130. The convex portion 125 is fitted into the notch 139. For this reason, the connector holding part 120 and the routing part 130 do not rotate with respect to the cable 153 as an axis, and it is possible to prevent an excessive tension from being applied to the cable 153.

  Further, referring to FIG. 13, the connector holding portion 120 is configured such that a part of the insertion portion 121 is fitted into a notch 142 formed at the corners of the guide plates 131 and 132 so that the connector holding portion 120 and the routing portion are fitted. 130 is connected so that it does not come off in the front-rear direction.

  Therefore, there is no possibility that the connector holding portion 120 and the routing portion 130 are detached in a process such as attaching the holding member 110 to the battery group 20.

  The present invention is not limited to the above-described embodiments, and various changes and modifications can be made without departing from the technical concept of the present invention.

  For example, the routing unit 130 and the connector holding unit 120 may be integrally formed without being divided. In this case, all the through holes formed in the connector holding portion 120 are formed so as to have a gap between the outer surfaces of the connectors 151 and 152 so that the distance between the connectors 151 and 152 can be adjusted. In the present embodiment, the cell unit 57 constituted by eight batteries 62 is housed in the case 49 to form the battery module 40. However, the number of the batteries 62 constituting the cell unit 57 is changed as appropriate. Is possible.

It is a perspective view which shows the assembled battery which concerns on embodiment of this invention seeing from the front side. It is a perspective view which shows the state which removed the holding member of the front side of a connector module. It is a perspective view which shows a connector module. It is a perspective view which shows the battery module which is a unit unit at the time of assembling an assembled battery. FIG. 5 is a perspective view showing the battery module shown in FIG. It is a perspective view which shows a battery. FIG. 4 is an enlarged perspective view showing a front surface of the removed holding member in FIG. 3. It is a perspective view which shows the back surface of the holding member 110 of FIG. 2 is a partially enlarged view of the front side of the battery pack 10. FIG. It is the elements on larger scale of the cross section which followed the XX line of FIG. It is a perspective view which shows the connector holding part and wiring part of a holding member. It is a perspective view which shows the connection part of a connector holding | maintenance part and a wiring part from the back. It is a perspective view which shows the connection part of a connector holding part and a wiring part from the front.

Explanation of symbols

10 battery packs,
20 battery groups,
21 Cooling air flow path,
30 side plates,
31 Busbar holding plate,
32 windows,
33 Busbar,
34 bolt holes,
35 cover member,
36 base,
37 covering part,
38 volts,
40 battery module,
41, 42 terminal part,
43, 44 output terminals,
65, 66 terminals,
100 connector module,
110 holding member,
120 connector holding part,
130 routing section,
151,152 connector,
153 cable.

Claims (16)

  1. A battery group formed by arranging a plurality of batteries;
    A plurality of terminal portions in which electrode terminals of a predetermined number of batteries among a plurality of batteries constituting the battery group are arranged;
    Comprising a voltage detecting terminal of multiple, wherein the said voltage detecting terminal and the electrode terminals of the terminal portion by fitting the terminal portion is electrically connected collectively, it provided corresponding to the terminal portion A plurality of connectors;
    A plurality of cables connected to each of the connectors;
    And a wiring portion and a plurality of connector holding portion for holding a connector of a predetermined number of said plurality of connectors, the connector holding portion and the plurality of cables which are formed by dividing the is routed comprising a holding member,
    A battery module comprising: a connector module capable of adjusting an interval between the connectors by connecting the connector holding portion and the routing portion so as to be relatively movable .
  2. The assembled battery according to claim 1, wherein the connector holding portion and the routing portion are connected so as not to be separated by being connected to the cable .
  3. The connector holding portion and the wiring portion is assembled battery according to claim 1 or 2 with the cable in the axial are connected so as not to turn relative to each other.
  4. A plurality of the connectors are held in one of the connector holding portion, at least one of the plurality of connectors are movably held against the connector holding portion, any one of claims 1 to 3 The assembled battery as described in one .
  5. The assembled battery according to claim 4, wherein the connector holding portion includes an insertion portion that includes a through hole that forms a gap with the outer surface of the connector and restricts the orientation of the connector .
  6. A plurality of connectors are held by one connector holding portion, one of the plurality of connectors is fixed to the connector holding portion, and the remaining connectors are held movably with respect to the connector holding portion. The assembled battery according to any one of claims 1 to 5 .
  7. The said holding member has at least 1 processus | protrusion for forming the space part which exposes at least one part of the said connector by dividing | segmenting the said some cable into at least two. The assembled battery as described in any one .
  8. The battery group is formed by arranging a plurality of battery modules including the terminal portion and a plurality of the electrically connected batteries, and electrically connecting the battery modules via a bus bar. The assembled battery as described in any one of Claims 1-7 .
  9. The battery module is arranged across a cooling air flow path through which cooling air flows,
    The assembled battery according to claim 8, wherein the connector module is attached to the battery group with the holding member disposed at a position where the cooling air flow path is not blocked .
  10. The assembled battery according to claim 8 or 9 , wherein the connector module is disposed at a position where the holding member covers the bus bar and is attached to the battery group .
  11. Used in a battery pack having a battery group in which a plurality of batteries are arranged,
    Among the plurality of batteries constituting the battery group, a predetermined number of battery electrode terminals are provided corresponding to the plurality of terminal portions arranged, and provided with a plurality of voltage detection terminals, which are fitted to the terminal portions. A plurality of connectors in which the electrode terminal of the terminal portion and the voltage detection terminal are electrically connected together,
    A plurality of cables connected to each of the connectors;
    A plurality of connector holding portions for holding a predetermined number of connectors among the plurality of connectors, and a routing portion for routing the plurality of cables formed separately from the connector holding portion. A holding member,
    An assembled battery connector module in which the distance between the connectors can be adjusted by connecting the connector holding portion and the routing portion so as to be relatively movable .
  12. The assembled battery connector module according to claim 11, wherein the connector holding portion and the routing portion are connected so as not to be separated by being connected to the cable .
  13. The assembled battery connector module according to claim 11 or 12, wherein the connector holding portion and the routing portion are connected so as not to rotate with respect to the cable .
  14. The plurality of connectors are held by one connector holding portion, and at least one of the plurality of connectors is held movably with respect to the connector holding portion. The assembled battery connector module according to claim 1 .
  15. The assembled battery connector module according to claim 14, wherein the connector holding portion includes an insertion portion that includes a through hole that defines a gap between the connector holding portion and the outer surface of the connector and restricts the orientation of the connector.
  16. The said holding member has at least 1 processus | protrusion for forming the space part which exposes at least one part of the said connector by dividing the said several cable into at least two , Of Claim 11-15 The assembled battery connector module according to any one of the above.
JP2007078574A 2007-03-26 2007-03-26 Assembled battery and connector module for assembled battery Active JP5256634B2 (en)

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JP2007078574A JP5256634B2 (en) 2007-03-26 2007-03-26 Assembled battery and connector module for assembled battery

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Application Number Priority Date Filing Date Title
JP2007078574A JP5256634B2 (en) 2007-03-26 2007-03-26 Assembled battery and connector module for assembled battery

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