JP6555194B2 - Battery wiring module - Google Patents

Description

  The present invention relates to a battery wiring module, and more particularly to a battery wiring module having a plurality of electric wires attached to a secondary battery for high voltage and an electric wire arrangement body for arranging the electric wires.

  A vehicle such as a hybrid vehicle or an electric vehicle uses a battery assembly in which a plurality of storage batteries are stacked as a power source for driving the vehicle. In this case, the battery assembly uses a battery wiring module having a wire routing body provided with a bus bar housing frame portion for housing the bus bar, a wire routing passage for routing a wire connected to the bus bar, and the like. Covered wires are wired. In the battery wiring module, in order to prevent contact with the bus bar and protect the electric wire, a cover portion that covers the bus bar housing frame portion, the electric wire routing passage, and the like is provided in the electric wire arrangement.

  As a conventional battery wiring module of this type, as shown in FIG. 9, a wire routing body 6 that accommodates a plurality of wires 5 is formed in a bowl shape that opens upward and accommodates the wires 5. The groove portion 64 and a side wall 66A of the electric wire routing groove portion 64 are rotatably connected to each other via a hinge, and are covered with the electric wire routing groove portion 64 so as to close the groove opening 64A of the electric wire routing groove portion 64. 67, a wire holding portion 91 projecting from one side wall 66A toward the other side wall 66B, and projecting on the hinge side of the lid portion 67, and the lid portion 67 is rotated to rotate the wire routing groove portion. When the electric wire 5 is positioned above the electric wire holding portion 91 when being covered with the electric wire 64, a rib 95 that pushes out the electric wire 5 from above the electric wire holding portion 91 is already known (for example, Patent Document 1).

  According to this conventional bus bar module 1, the electric wire 5 is sandwiched between the electric wire holding portion 91 and the lid portion 67 when the lid portion 67 is rotated so as to close the groove opening 64 </ b> A of the electric wire routing groove portion 64. It is possible to reliably prevent this, thereby eliminating the interruption of the wiring operation of the electric wire 5 due to the pinching of the electric wire 5 between the electric wire holding portion 91 and the lid portion 67 and performing the wiring operation smoothly. Yes (paragraph 0045).

JP, 2014-233160, A

  However, although the thing of patent document 1 can prevent the electric wire pinching on the hinge side at the time of a cover part turning and covering an electric wire distribution groove part by providing a rib on the hinge side of a cover part, There is a problem that no consideration is given to avoiding the biting of the electric wire on the side opposite to the hinge side of the lid, that is, the open end side of the lid.

  In particular, like the bus bar module described in Patent Document 1, the electric wire arrangement groove portion is connected to one side wall of the electric wire arrangement groove portion so as to be rotatable via a hinge, and closes the groove opening of the electric wire arrangement groove portion. In the type having a cover portion that is covered with the cover portion, the electric wire biting between the cover portion and the cover portion often occurs on the opposite side rather than the hinge side.

  Although the thing of patent document 1 can prevent the electric wire pinching on the hinge side when a cover part rotates and covers an electric wire routing groove part by providing a rib on the hinge side of a cover part, a cover part There is a problem that it is difficult to avoid biting of the electric wire on the side opposite to the hinge side, that is, on the open end side of the lid.

  The present invention has been made in order to solve the above-described problems. With a simple configuration, the wire engagement between the end edge of the wire routing path portion and the open end side of the lid portion is ensured. It is an object of the present invention to provide a battery wiring module that can prevent the problem and improve the workability of electric wire routing work.

  In order to achieve the above object, a battery wiring module according to the present invention includes a plurality of housing frame portions, a bowl-shaped wire routing passage portion formed along the plurality of housing frame portions, and the wire routing module. A wire arrangement having a plurality of communication passage portions communicating with the passage portion and each of the housing frame portions, a plurality of bus bars housed in the housing frame portions, and one end electrically connected to the bus bar A plurality of wires that are connected to the connecting passage portion, and further passed through the electric wire routing passage portion and electrically connected to the other end at the other end, the connecting passage portion and the electric wire routing passage A side wall portion of each of the connecting passage portions, the width of the front opening at the upper end of the wire routing passage portion is larger than the width of the passage at the lower end. The rib which has an inclined part in the edge by the side of the above-mentioned electric wire routing passage Is a configuration that is configured.

  With this configuration, when the battery wiring module according to the present invention covers the wire routing passage portion with the lid portion, the electric wire of the wire that is in contact with the inclined portion of the rib by the movement of the lid portion in the closing direction. The accommodation of the electric wire in the routing passage portion is assisted, and pinching of the electric wire between the open end side of the lid portion and the end edge on the electric wire routing passage portion side can be prevented. The rib can be formed by making the side part of each connecting passage part the required width of the front opening at the upper end of the wire routing passage part larger than the width of the passage at the lower end, and has a simple structure. realizable.

  Further, in the battery wiring module according to the present invention, the rib extends to a height equal to or higher than an upper surface of the lid portion when the lid portion covers the wire routing passage portion, and the lid portion Has a plurality of through holes provided so as to accommodate the ribs constituting the side surface portions of the communication passage portions, respectively, and the through holes are formed when the lid portion covers the wire routing passage portion. In addition, the upper end portion of one corresponding rib may be accommodated and a wire inspection gap may be provided around the upper end portion.

  With this configuration, the battery wiring module according to the present invention can improve the effect of preventing the biting of the electric wire by the structure in which the rib protrudes to the upper part of the lid part, and the gap for wire inspection with the lid part closed. Thus, it is possible to visually confirm whether or not an electric wire exists in the electric wire routing passage, and the workability of the electric wire routing operation can be improved.

  Further, in the battery wiring module according to the present invention, the wire wiring body includes the lid inside the corner portion of the wire routing passage portion that bends the wire and guides it to a straight portion of the wire routing passage portion. A corner rib projecting upward from a lid receiving surface portion provided to receive the portion, the lid portion having a through hole provided corresponding to the corner rib, When the cover portion covers the wire routing passage portion, the upper end portion of the corner rib may be accommodated, and a gap for wire inspection may be provided around the upper end portion. .

  With this configuration, the battery wiring module according to the present invention can smoothly perform the wiring operation of the electric wire bent at the corner portion of the electric wire routing passage portion along the corner rib and led to the straight portion, and the electric wire routing. It is possible to prevent the electric wire from being caught between the edge on the side of the working passage and the open end of the lid. Moreover, also in a corner part, it can be visually confirmed whether an electric wire exists in the passage part for electric wire wiring from the clearance gap for electric wire inspection in the closed state.

  According to the present invention, it is possible to reliably prevent the electric wire from being caught between the edge of the wire routing passage portion and the open end side of the lid portion with a simple configuration and to perform the wire routing work. A battery wiring module capable of improving the performance can be provided.

It is a perspective view which shows the structure of the battery assembly | assembly with which the battery wiring module which concerns on one embodiment of this invention was mounted | worn. It is a top view which shows the cover open state of the battery wiring module which concerns on one embodiment of this invention. It is a top view which shows the cover state of the 1st and 2nd cover part for electric wires of the battery wiring module which concerns on one embodiment of this invention. It is a top view which shows the closed state of the 1st and 2nd cover part for electric wires of the battery wiring module which concerns on one embodiment of this invention, and the 1st and 2nd cover part for electrodes. It is a figure which shows the structure of the principal part cross section of the electric wire wiring passage part of the battery wiring module which concerns on one embodiment of this invention. It is a figure which shows the structure of the corner rib of the electric wire wiring body of the battery wiring module which concerns on one embodiment of this invention. It is a figure which shows the cross-section of the electric wire wiring passage part at the time of the electric wire wiring with respect to the electric wire wiring body of the battery wiring module which concerns on one embodiment of this invention. It is a figure which shows the cross-sectional structure of the electric wire wiring passage part at the time of the cover part lid closing after the electric wire wiring with respect to the electric wire wiring body of the battery wiring module which concerns on one embodiment of this invention. It is sectional drawing of a part of conventional electric wire wiring body.

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

  1 to 8 show an embodiment of a battery wiring module according to the present invention.

  In the present embodiment, the present invention is applied to a battery wiring module 20 that is detachably attached to a battery assembly 10 that is mounted as a secondary battery for high voltage in a vehicle such as an electric vehicle or a hybrid vehicle (not shown). It is applied. In addition, one battery pack mounted on the vehicle is formed in a state where the battery wiring module 20 is mounted on the battery assembly 10 or in a state where the battery wiring modules 20 respectively corresponding to the plurality of battery assemblies 10 are mounted. It has come to be.

  First, the configuration of the present embodiment will be described.

  FIG. 1 is a perspective view showing a configuration of a battery assembly 10 to which a battery wiring module 20 according to the present embodiment is mounted. In particular, the first and second electric wires are used with respect to the electric wire routing body 30. The lid portions 41 and 42 are opened, and the first and second electrode lid portions 43 and 44 (see FIG. 4) are not attached.

  As shown in FIG. 1, the battery assembly 10 is formed by stacking a plurality of plate batteries 12 each having a positive electrode electrode and a negative electrode terminal so as to overlap in the plate thickness direction with a separator 13 interposed therebetween. The plurality of plate batteries 12 are alternately reversed and arranged so that the polarities of a pair of electrode terminals adjacent to each other between each pair of adjacent plate batteries 12 are opposite to each other. .

  Each plate battery 12 has a plate shape, that is, a flat, substantially rectangular parallelepiped shape, and is a single rechargeable battery cell (unit cell) that can be charged or a plurality of two batteries integrated in series. It is composed of secondary battery cells (assembled batteries).

  Each plate-like battery 12 is provided so that positive and negative electrode terminals protrude upward (outward) on both ends in the longitudinal direction of the upper surface.

  Although the detailed shape of the electrode terminals of the plurality of plate batteries 12 is not shown, male screws are formed in both the positive electrode and the negative electrode, and the anode terminals and the cathodes that are close to each other on both sides in the longitudinal direction of the plate battery 12 The terminal is covered with a connecting plate having two holes, and nuts are fastened to both electrode terminals. A voltage detection terminal 11 (terminal in the present invention) is provided at the center in the length direction of the connecting plate.

  The battery assembly 10 is configured as a secondary battery module for high voltage by connecting a plurality of plate batteries 12 in series via a plurality of connecting plates.

  As shown in FIGS. 1 to 4, the battery wiring module 20 attached to the battery assembly 10 includes an electric wire routing body 30, a plurality of bus bars 21, a plurality of electric wires 23, and a first electric wire lid. Part 41, second wire lid part 42, first electrode lid part 43, and second electrode lid part 44.

  The electric wire routing body 30 is produced by injection molding or the like using a synthetic resin having excellent heat resistance and chemical resistance. When the wire assembly 30 is covered with the battery assembly 10, the plurality of terminals 11 protruding in two rows are inserted through one side and the other side along the stacking direction of the batteries 12, respectively. A plurality of terminal insertion holes 31 (see FIG. 1) are provided.

  In addition, the wire routing body 30 includes a plurality of housing frame portions 32 surrounding each terminal insertion hole 31, a first wire routing passage portion 34, a second wire routing passage portion 35, and a plurality of And a communication passage portion 36. The plurality of storage frame portions 32 constitute either the first storage frame group 32a or the second storage frame group 32b arranged in parallel so as to correspond to the two-row arrangement of the plurality of terminals 11 described above.

  The first wire routing passage portion 34 includes a wiring lead-out passage portion 33, a short passage portion 34a communicating with the wiring lead-out passage portion 33, and a first passage frame group 32a communicating with the short passage portion 34a. And a long passage portion 34b extending. Further, the second wire routing passage portion 35 includes a wiring lead-out passage portion 33, a short passage portion 35a communicating with the wiring lead-out passage portion 33, and a first passage frame group 32b communicating with the short passage portion 35a. And a long passage portion 35b extending along.

  Note that the wiring lead-out passage portion 33 is a portion for leading out the plurality of electric wires 23 connected to the connector 25, one end of which is an external terminal, into the electric wire routing body 30, and has a hook-like shape. The assembly 10 extends outward from a midway portion on one side in the stacking direction.

  As described above, in the wire routing body 30, the first wire routing passage portion 34 has a short passage portion 34 a that is bent from the inner end of the wiring lead-out passage portion 33 and extends to one side. It is formed of an L-shaped and bowl-shaped molded body in plan view having a long passage portion 34b that is bent and extends along the first housing frame group 32a.

  The second wire routing passage portion 35 has a short passage portion 35a that is bent from the inner end of the wiring lead-out passage portion 33 and extends to the other side, and is further bent to form the second housing frame group 32b. It is comprised by the planar view L-shaped and bowl-shaped molded object which has the long channel | path part 35b extended along.

  The plurality of communication passage portions 36 include the long passage portions 34b of the first electric wire routing passage portion 34, the receiving frame portions 32 of the first receiving frame group 32a, and the second electric wire routing passage portion 35. The long passage portion 35b communicates with each housing frame portion 32 of the second housing frame group 32b.

  In the battery wiring module 20, the wire routing body 30 includes a long passage portion 34 b of the first wire routing passage portion 34 and a long passage portion 35 b of the second wire routing passage portion 35, respectively. The housing frame group 32a and the second housing frame group 32b are disposed outside.

  In the electric cable routing body 30, a plurality of bus bars 21 with holes are accommodated in the respective accommodation frame portions 32. Further, in the electric wire arrangement body 30, the plural electric wires 23 are arranged as detection electric wires for detecting the terminal voltages of the plural plate batteries 12, respectively. One end of each of the plurality of electric wires 23 is electrically connected to one of the plurality of bus bars 21, and the first electric wire routing passage portion 34 or one of the plurality of electric wires 23 is connected via one of the plurality of connection passage portions 36. It is passed through the second wire routing passage portion 35 and further passed through the wiring lead-out passage portion 33 and extends to the outside.

  Each of the plurality of electric wires 23 is composed of an insulation-coated electric wire and extends in the stacking direction of the plurality of plate batteries 12, and is different from each other depending on the arrangement position and the routing route of the corresponding bus bar 21. It has a length. The other ends of the plurality of electric wires 23 are coupled to the connector 25 in a state where connector terminals (not shown) are respectively crimped. In short, in the present embodiment, one end of each of the plurality of electric wires 23 is electrically connected to the bus bar 21, passed through the connecting passage portion 36, and the first and second electric wire routing passage portions 34 and 35. The other end is connected to a connector 25 which is an external terminal.

  The connector 25 is connected to a charge control ECU (electronic control unit) (not shown) mounted on the vehicle. As a result, the battery assembly 10 is monitored for its state of charge (SOC), and is controlled to a charged state within a predetermined range in accordance with the charged state and the driving state of the vehicle. ing. The plurality of electric wires 23 are not limited to being connected to the connector 25 at the other end, but may be configured to be directly connected to terminals (external terminals) of an electronic circuit mounted on the vehicle, for example.

  In the electric cable routing body 30 constituting the battery wiring module 20, the first electric wire lid portion 41 and the second electric wire lid portion 42 are made of a resin-made rectangular plate as shown in FIGS. It is composed of a shaped product. Among these, the 1st electric wire cover part 41 is integrally provided in the open state via the hinge 411 at the outer side wall upper end of the one side of the electric wire routing body 30. As shown in FIG. The 1st electric wire cover part 41 covers the long channel | path part 35b (refer FIG. 2) of the 1st electric wire routing path part 34 at the time of a lid closing.

  Further, the second wire lid portion 42 is integrally provided in an open state via a hinge 421 on the outer side wall upper end on the other side of the wire routing body 30. The 2nd electric wire cover part 42 covers the long channel | path part 35b (refer FIG. 2) of the 2nd electric wire wiring channel | path part 35 at the time of a cover closing.

  The first electric wire lid 41 and the second electric wire lid 42 are provided with a plurality of snap-fitting type locking claws 412 and 422 on the side edge opposite to the side where the hinges 411 and 421 are provided, respectively. It is done. The plurality of locking claws 412 of the first wire lid 41 are a plurality of engagements provided along the first wire routing passage 34 when the first wire lid 41 is closed. The recesses 55 are respectively fitted. Further, the plurality of locking claws 422 of the second electric wire lid portion 42 are provided along the second electric wire routing passage portion 35 when the second electric wire lid portion 42 is closed. The engagement recess 56 is fitted.

  Moreover, in the electric wire arrangement body 30, as shown in FIG. 4, the 1st electrode cover part 43 is comprised separately from the electric wire arrangement body 30, and when the lid is closed, the first housing frame group 32a is arranged. It is something to cover. The first electrode lid portion 43 has a plurality of locking claws 431 on the surface corresponding to the first housing frame group 32a when the lid is closed. The locking claw 431 is fitted into an engagement recess 57 (see FIGS. 2 and 3) provided on the electric wire routing body 30 side when the first electrode lid 43 is closed.

  As shown in FIG. 4, the second electrode lid portion 44 is configured separately from the electric cable routing body 30 and covers the second housing frame group 32 b when the lid is closed. The second electrode lid portion 44 has a plurality of locking claws 441 on the surface corresponding to the second housing frame group 32b when the lid is closed. The locking claw 441 is fitted into an engagement recess 58 (see FIGS. 2 and 3) provided on the electric wire routing body 30 side when the second electrode lid portion 44 is closed.

  Next, the lid closing operation of each lid in the battery wiring module 20 will be described.

  In the closing operation, first, a plurality of electric wires 23 are prepared, and one end of each is electrically connected to one of the plurality of bus bars 21 as shown in FIG. In the present embodiment, the above-described one end of each electric wire 23 is connected to each bus bar 21 with a hole. That is, each bus bar 21 functions as a connection terminal of the electric wire 23 that is a detection electric wire.

  Each bus bar 21 is housed in each housing frame portion 32 of the first and second housing frame groups 32a and 32b so that each terminal 11 passes through each hole, and is screwed to each terminal 11. The nut 16 is tightened and fixed. Thereby, the electrical connection with each bus bar 21 of the some electric wire 23 is achieved.

  A part of each electric wire 23 connected to each bus bar 21 passes through the first electric wire routing passage portion 34 via the communication passage portion 36 and further extends to the outside through the wiring lead-out passage portion 33. To do. On the other hand, the remaining electric wires 23 are, for example, passed through the second wire routing passage portion 35 via the communication passage portion 36 and further extended to the outside through the wiring lead-out passage portion 33. . A plurality of electric wires 23 extended to the outside are connected to a connector 25.

  After the wiring of the electric wire 23 with respect to the first electric wire routing passage 34 and the second electric wire routing passage 35 is completed, the first and second electrode lid portions are arranged as shown in FIG. The lids 43 and 44 are closed. At the time of closing, with respect to the first electric wire lid portion 41, the corresponding engaging concave portion 55 provided on the electric wire routing body 30 side by the locking claw 412 provided on the other side edge provided with the hinge portion 411 is provided. It may be rotated until it is engaged with. Moreover, about the 2nd electric wire cover part 42, the latching claw 422 provided in the other side edge of the one side edge which provided the hinge part 421 is in the corresponding engagement recessed part 56 provided in the electric wire routing body 30 side. What is necessary is just to rotate until it engages.

  The battery wiring module 20 includes a plurality of electric wires 23 arranged in the first and second electric wire arrangement passage portions 34 and 35 (see FIG. 2), and the first and second electric wires 23 after the arrangement. When the closing (see FIG. 3) of the first and second wire lid portions 41, 42 of the wire routing passage portions 34, 35 is completed, the product can be shipped to a customer.

  The supplier attaches the delivered battery wiring module 20 to the upper surface of the battery assembly 10 and assembles it, for example, as a battery pack for an automobile. Specifically, at the supplier, as shown in FIG. 1, a plurality of terminals 11 projecting the battery wiring module 20 in two rows on one side and the other side along the stacking direction of the battery assembly 10. Are attached to the battery assembly 10 so as to be inserted through the plurality of terminal insertion holes 31.

  Next, in the business partner, in the battery wiring module 20 attached to the upper surface of the battery assembly 10, the first housing frame group 32 a and the second housing frame group 32 b of the wire routing body 30 are covered with the first. Then, the second electrode lid portions 43 and 44 are closed.

  At that time, the lid of the first electrode lid portion 43 is disposed so as to face the first housing frame group 32a so that the plurality of locking claws 431 face downward, and then each locking claw 431 is connected to the electric wire. What is necessary is just to push down below until it engages with the engagement recessed part 57 provided in the cable body 30 side. Similarly, the lid of the second electrode lid portion 44 is arranged so as to face the second housing frame group 32b so that the plurality of locking claws 441 face downward, and then each locking claw 441 is wired to the electric wire. This can be done by pushing down until it engages with an engagement recess 58 provided on the body 30 side.

  Next, a description will be given of a structure for preventing the electric wire 23 from being caught when the first and second electrode lid portions 43 and 44 are closed in the electric wire routing body 30 of the battery wiring module 20 according to the present embodiment.

  The battery wiring module 20 is currently being routed to the first and second wire routing passage portions 34 and 35 on the side surface portion of each connection passage portion 36 of the wire routing body 30 as a structure for preventing the electric wire 23 from being caught. A plurality of electric wires 23 for guiding the electric wires 23 into the first and second electric wire routing passage portions 34 and 35 in accordance with the movement of the lids of the first and second electric wire lid portions 41 and 42. Ribs are provided. The first and second electric wire cover portions 41 and 42 covering the long passage portions 34b and 35b of the first and second electric wire routing passage portions 34 and 35 are provided with the ribs 51 and 52, respectively. A plurality of through-holes to be accommodated are provided.

  Specifically, the wire routing body 30 has a plurality of ribs 51 a, 51 b, 51 c, 51 d, 51 e, 51 f, and the like on the side surface portion of each communication passage portion 36 communicating with the first wire routing passage portion 34. 51 g is formed. Among these, the rib 51a is an R-shaped corner rib provided in the corner portion 341 that connects the short passage portion 34a and the long passage portion 34b of the first electric wire routing passage portion 34. Each of the ribs 51b, 51c, 51d, 51e, 51f, 51g other than the rib 51a (hereinafter sometimes referred to as a corner rib) is along a straight line portion formed by the long passage portion 34b of the first wire routing passage portion 34. Is provided.

  Further, in the wire routing body 30, the first wire lid portion 41 corresponds to the corner rib 51a, ribs 51b, 51c, 51d and 51e, 51f, 51g of the first wire routing passage portion 34, respectively. Through-holes 41a, 41b, 41c, 41d, 41e, and 41f are provided.

  The through holes 41a, 41b, 41c, 41d, 41e, and 41f of the first electric wire lid portion 41 are respectively side portions of the communication passage portions 36 of the first electric wire routing passage portion 34 when the lid is closed. Corner ribs 51a, ribs 51b, 51c, 51d and 51e, 51f, 51g, respectively, are accommodated.

  On the other hand, a plurality of ribs 52 a, 52 b, 52 c, 52 d, 52 e, 52 f, 52 g, 52 h are formed on the side surface of each communication passage 36 that communicates with the second wire routing passage 35. Among these, the rib 52a is a corner rib that is bent at a right angle and is provided at a corner portion 351 that connects the short passage portion 35a and the long passage portion 35b of the second electric wire routing passage portion 35. Each of the ribs 52b, 52c, 52d, 52e, 52f, 52g, and 52h other than the rib 52a (hereinafter, sometimes referred to as a corner rib) is a straight portion formed by the long passage portion 35b of the second wire routing passage portion 35. It is provided along.

  Further, in the electric wire routing body 30, the second electric wire lid portion 42 has corner ribs 52a, ribs 52b, 52c, 52d, 52e, 52f, 52g and 52h of the second electric wire routing passage portion 35. Corresponding through holes 42a, 42b, 42c, 42d, 42e, 42f, and 42g are provided.

  The through holes 42a, 42b, 42c, 42d, 42e, 42f, and 42g of the second electric wire lid portion 42 are respectively connected to the communication passage portions 36 of the second electric wire routing passage portion 35 when the lid is closed. The corner ribs 52a, ribs 52b, 52c, 52d, 52e, 52f, 52g and 52h constituting the side surface portions are respectively accommodated.

  The configuration of each of the ribs 51b, 51c, 51d, 51e, 51f, 51g and 52b, 52c, 52d, 52e, 52f, 52g, 52h will be described in more detail with reference to FIG.

  FIG. 5 shows a cross-sectional structure of the first electric wire routing passage 34 taken along line AA in FIG. As represented by the rib 51b shown in FIG. 5, the ribs 51b, 51c, 51d, 51e, 51f, 51g and 52b, 52c, 52d, 52e, 52f, 52g, 52h 36 side surfaces are formed.

  That is, in the wire routing body 30, the side surface portion of each communication passage portion 36 on the side communicating with the wire routing passage portion 34 has a first rib 52 b as illustrated in FIG. 5. A rib 51b having an inclined portion 60 at the edge on the side of the wire routing passage 34 so that the width W1 of the front end at the upper end of the wire routing passage 34 is larger than the width W2 of the passage 340 at the lower end, 51c, 51d, 51e, 51f, 51g.

  Similarly, the side surface portion of each communication passage portion 36 on the side communicating with the wire routing passage portion 35 has a width W1 of the front end at the upper end of the second wire routing passage portion 35 and the width of the passage 350 at the lower end. It is comprised by rib 52b, 52c, 52d, 52e, 52f, 52g, 52h which has the inclination part 60 in the edge by the side of the electric wire routing path part 35 so that it may become required larger than W2.

  The said inclination part 60 can be set as the structure which has the inclination angle of the range of 45 to 70 degree | times with respect to the channel | paths 340 and 350, for example. Further, the inclined portion 60 may be formed with the passages 340 and 350 as the base ends.

  The ribs 51b, 51c, 51d, 51e, 51f, and 51g and the ribs 52b, 52c, 52d, 52e, 52f, 52g, and 52h have the first and second electric wire lid portions 41 and 42, respectively. When the first and second electric wire routing passages 34 and 35 are covered, the first and second electric wire lids 41 and 42 extend to a height equal to or higher than the upper surface.

  Thereby, as shown in FIG. 3, the first and second electric wire lid portions 41 and 42 have the through holes 41a, 41b, 41c, 41d, 41e, 41f and 42a, 42b, 42c, 42d, 42e, 42f, and 42g are corner ribs 51a, ribs 51b, 51c, 51 and 51e, 51f, 51g, and 51e constituting the side surface portions of the communication passage portions 36 of the first electric wire routing passage portion 34, respectively. The corner ribs 52a, ribs 52b, 52c, 52d, 52e, 52f, 52g, and 52h constituting the side portions of the communication passage portions 36 of the second electric wire routing passage portion 35 are accommodated.

  Here, in each of the through holes 41a, 41b, 41c, 41d, 41e, and 41f of the first electric wire lid portion 41, the first electric wire lid portion 41 covered the first electric wire routing passage portion 34. In this case, a gap 61 for wire inspection is provided around the upper ends of the corresponding ribs 51a, 51b, 51c, 51d and 51e, 51f, 51g.

  Next, the configuration of the corner rib 51a will be described in detail with reference to FIG. FIG. 6 is a view showing a configuration of the corner rib 51a formed in the wire routing body 30 of the battery wiring module 20 according to the present embodiment, FIG. 6 (a) is a top view, and FIG. ) Shows a cross-sectional view taken along line BB in FIG.

  As shown in FIG. 6, the corner rib 51 a is formed so as to protrude above the lid receiving surface portion 310 of the electric wire routing body 30. The lid receiving surface portion 310 is provided so as to receive the first electric wire lid portion 41 inside the corner portion 341 between the short passage portion 34a and the long passage portion 34b of the first electric wire routing passage portion 34. It is a member.

  The corner rib 51a extends to a height equal to or higher than the upper surface of the first electric wire lid 41 when the first electric wire lid 41 covers the first electric wire routing passage 34. Yes. Thereby, as for the 1st electric wire cover part 41, the through-hole 41a will accommodate the corner rib 51a at the time of a cover closing.

  The first electric wire lid 41 has a through hole 41a provided corresponding to the corner rib 51a, and the first electric wire lid 41 covers the first electric wire routing passage 34. In addition, the upper end portion 511 of the corner rib 51a is accommodated, and a gap 61 for electric wire inspection is provided around the upper end portion 511.

  In addition, the electric wire routing body 30 has the corner rib 52a of the shape bent at right angle also in the corner part 351 between the short channel | path part 35a and the long channel | path part 35b of the 2nd electric wire wiring channel | path part 35. . The corner rib 52a also has a height that coincides with the upper surface of the second electric wire lid portion 42 when the second electric wire lid portion 42 covers the long passage portion 35b of the second electric wire routing passage 35. The above is extended. Thereby, as for the 2nd cover part 42 for electric wires, the through-hole 42a will accommodate the corner rib 52a at the time of a lid | cover.

  In addition, the second electric wire lid portion 42 has a through-hole 42a provided corresponding to the corner rib 52a, and the second electric wire lid portion 42 covers the second electric wire routing passage portion 35. In addition, the upper end portion 521 of the corner rib 52a is accommodated, and a gap 61 for electric wire inspection is provided around the upper end portion 521.

  Next, an operation for preventing the electric wire 23 from being caught while the first and second electric wire lid portions 41 and 42 are closed will be described with reference to FIGS. 7 and 8 are cross-sectional views taken along the line AA in FIG. 2 as in FIG. 5. In particular, FIG. 7 shows a case where the electric wire 23 is routed in the first electric wire routing passage 34. FIG. FIG. 8 shows the structure when the first electric wire lid 41 is opened, and FIG. 8 shows the structure when the first electric wire lid 41 is closed.

  As shown in FIG. 7, when the plurality of wires 23 are routed with respect to the first wire routing passage 34, the routed wires 23 are arranged in the first wire routing passage 34. They are stacked in order on the passage 340. During this time, for example, the electric wire 23 that is in contact with the inclined portion 60 of the rib 51b may be guided so that the inclined portion 60 slides downward due to its own weight and is stacked on the passage 340. Further, depending on the situation, the electric wire 23 may abut against the upper portion of the inclined portion 60 and keep the position as it is.

  When the wiring of the wire 23 in the first wire routing passage 34 is completed, as shown in FIG. 8, the first wire lid 41 rotates in the closing direction with the hinge 411 as a fulcrum. Then, the first lid covering the first wire routing passage 34 is closed.

  At that time, the electric wire 23 may remain in contact with the inclined portion 60 of the rib 51b. Under such circumstances, when the first wire lid 41 is rotated in the closing direction so as to cover the first wire routing passage 34, the first wire lid 41 By rotation, the electric wire 23 that has been in contact with the inclined portion 60 of the rib 51b slides down the inclined portion 60 (in the direction indicated by the arrow) and is guided into the first electric wire routing passage 34. become.

  Each rib 51c, 51d and 51e, 51f, 51g other than the rib 51b communicated with the first wire routing passage 34, or each rib 52b, 52c communicated with the second wire routing passage 35 , 52d, 52e, 52f, 52g, and 52h, similarly to the rib 51b, route along the inclined portion 60 according to the rotation of the first and second wire lid portions 41 and 42 in the closing direction. The inside electric wire 23 is guided into the first and second electric wire routing passage portions 34 and 35.

  That is, in the present embodiment, the electric wires 23 that are in contact with the inclined portions 60 of the ribs 51a to 51h and 52a to 52g by the movement of the first and second electric wire lid portions 41 and 42 in the closing direction. Accommodation in the first and second electric wire routing passage portions 34 and 35 is assisted, and the electric wires 23 on the open end side of the lid when the first and second electric wire lid portions 41 and 42 are closed. Can be surely avoided.

  When the electric wire 23 is routed as described above, in the corner portion 341 of the first electric wire routing passage portion 34, the electric wire 23 is bent along the corner rib 51a between the short passage portion 34a and the long passage portion 34b. The wiring 23 can be easily routed. Similarly, in the corner portion 351 of the second wire routing passage portion 35, the wire 23 is routed by bending the wire 23 along the corner rib 52a between the short passage portion 35a and the long passage portion 35b. It can be done easily.

  The corner ribs 51a and 52a do not have a structure corresponding to the inclined portion 60 described above, but they have an R shape and a right-angled peripheral surface shape facing the inside of the first and second wire routing passage portions 34 and 35. Therefore, the electric wires 23 are bent along the peripheral surface shape, that is, in the first and second electric wire routing passage portions 34 and 35 at the corner portions 341 and 351. The first and second electric wire lid portions 41 and 42 can be closed in a state in which is accommodated.

  Here, since the corner ribs 51a and 52a protrude to the upper part of the first and second electric wire lid portions 41 and 42, the first and second electric wire lid portions are also provided in the corner portions 341 and 351. The effect of preventing the electric wire 23 from being caught when the lids 41 and 42 are closed can be exhibited.

  When the first and second electric wire lid portions 41 and 42 are closed after the electric wires 23 are routed with respect to the first and second electric wire routing passage portions 34 and 35, as shown in FIG. In the first electric wire lid portion 41, corner ribs 51a, ribs 51b, 51c, 51 and 51e, 51f, 51g are accommodated in the respective through holes 41a, 41b, 41c, 41d, 41e, 41f. Moreover, in the 2nd electric wire cover part 42, each through-hole 42a, 42b, 42c, 42d, 42e, 42f, 42g is each of each connection channel | path part 36 of the 2nd electric wire routing path part 35. The corner ribs 52a, ribs 52b, 52c, 52d, 52e, 52f, 52g and 52h constituting the side surface portions are accommodated, respectively.

  Further, when the first and second electric wire cover portions 41, 42 are closed, the through holes 41a, 41b, 41c, 41d, 41e, 41f, the corner ribs 51a, the ribs 51b, 51c, 51d, and 51e, 51f are provided. , 51g and between the through holes 42a, 42b, 42c, 42d, 42e, 42f, 42g and the corner ribs 52a, ribs 52b, 52c, 52d, 52e, 52f, 52g and 52h, respectively. 61 occurs. As a result, the inside of the first and second wire routing paths 34 and 35 is looked into from the gaps 61 to visually check whether the wires 23 have been routed or not routed. it can. Therefore, it is possible to easily check the wiring work status of the electric wire 23 with respect to the first and second electric wire wiring passage portions 34 and 35.

  As described above, the battery wiring module 20 according to the present embodiment includes the plurality of housing frame portions 32 and the bowl-shaped first and second wire routing paths formed along the plurality of housing frame portions 32. A wire routing body 30 having portions 34, 35, and a plurality of communication passage portions 36 communicating the first and second wire routing passage portions 34, 35 and the respective housing frame portions 32; A plurality of bus bars 21 housed in each housing frame portion 32 and one end thereof are electrically connected to the bus bar 21, passed through the communication passage portion 36, and further to the first and second wire routing passage portions 34 and 35. First and second covering the plurality of electric wires 23 that are passed through and the other ends of which are electrically connected to an external terminal, for example, the connector 25, the connecting passage portion 36, and the first and second electric wire routing passage portions 34 and 35. Wire side cover parts 41, 42, and the side surface part of each communication passage part 36 is The first and second electric wire routing passage portions so that the width of the front opening at the upper ends of the first and second electric wire routing passage portions 34 and 35 is larger than the width of the passages 340 and 350 at the lower end. It is comprised by the ribs 51a-51g and 52a-52h which have the inclination part 60 in the 34,35 side edge.

  With this configuration, when the battery wiring module 20 according to the present embodiment covers the first and second wire routing passage portions 34 and 35 by the first and second wire lid portions 41 and 42, The first and second electric wire arrangements of the electric wires 23 that are in contact with the inclined portions 60 of the ribs 51a to 51g and 52a to 52h by the movement of the first and second electric wire lid portions 41 and 42 in the closing direction. Accommodation in the cable passage portions 34 and 35 is assisted, and the open end sides of the first and second electric wire lid portions 41 and 42 and the first and second electric wire routing passage portions 34 and 35 are arranged. It is possible to prevent the electric wire 23 from being caught between the end edges. The ribs 51a to 51g and 52a to 52h are the widths of the passages 340 and 350 at the lower ends of the side portions of the connecting passage portions 36 at the upper ends of the first and second wire routing passage portions 34 and 35, respectively. It can be formed by making it larger than required, and can be realized with a simple structure.

  Further, in the battery wiring module 20 according to the present embodiment, the ribs 51a to 51g and 52a to 52h have the first and second electric wire lid portions 41 and 42 as the first and second electric wire routing passage portions. 34 and 35 are extended to a height equal to or higher than the top surfaces of the first and second electric wire lid portions 41 and 42 when the first and second electric wire lid portions 41 and 42 are covered. It has a plurality of through holes 41a to 41f and 42a to 42g provided so as to accommodate the ribs 51a to 51g and 52a to 52h constituting the side surfaces of the communication passage part 36, and the through holes 41a to 41f and 42a to 42g are provided. 42g, when the 1st and 2nd electric wire cover parts 41 and 42 cover the 1st and 2nd electric wire routing path parts 34 and 35, one corresponding rib 51a-51g, 52a-52h The upper end of the cable is housed and the wire around the upper end A structure adapted to have a gap 61 for inspection.

  With this configuration, the battery wiring module 20 according to the present embodiment has the ribs 51a to 51g and 52a to 52h projecting to the upper part of the first and second electric wire lid portions 41 and 42, so that the electric wire 23 is engaged. The effect of preventing jamming can be enhanced. In addition, the battery wiring module 20 has the first and second electric wire routing passage portions 34, the electric wire inspection gap 61, with the first and second electric wire lid portions 41 and 42 closed. Whether or not the electric wire 23 is present in 35 can be confirmed by visual observation, and the workability of the wiring operation of the electric wire 23 can be improved.

  Further, in the battery wiring module 20 according to the present embodiment, the electric wire routing body 30 has the first inside the corner portion 341 that bends the electric wire 23 and leads it to the straight portion of the first electric wire routing passage portion 34. It further has a corner rib 51a protruding above the lid receiving surface portion 310 provided to receive the wire lid portion 41, and the first wire lid portion 41 is provided corresponding to the corner rib 51a. Through-hole 41a, which accommodates the upper end portion 511 of the corner rib 51a when the first wire lid portion 41 covers the first wire routing passage portion 34, and It is good also as a structure which has the clearance gap 61 for an electric wire inspection around the upper end part 511. As shown in FIG.

  With this configuration, the battery wiring module 20 according to the present embodiment bends the electric wires 23 along the corner ribs 51a and 52a at the corner portions 341 and 351 of the first and second electric wire routing passage portions 34 and 35. Thus, the wiring operation of the electric wire 23 led to the straight portion can be smoothly performed, the edge on the first and second electric wire arrangement passage portions 34 and 35 side, and the first and second electric wire lid portions 41 and 42 are provided. It is possible to prevent the electric wire 23 from being caught between the open ends of the wire. In the battery wiring module 20, the electric wires 23 exist in the first and second electric wire routing passage portions 34 and 35 from the electric wire inspection gap 61 in the closed state even at the corner portions 341 and 351. It can be confirmed visually.

  As described above, according to the present embodiment, the inclined portion 60 is provided at the edge on the side of the first and second wire routing passage portions 34 and 35 in the side surface portion of each connecting passage portion 36 of the wire routing body 30. Opening of the edge of the 1st and 2nd electric wire routing path parts 34 and 35 and the 1st and 2nd electric wire cover parts 41 and 42 with the simple structure which provided the ribs 51a-51g and 52a-52h It is possible to provide the battery wiring module 20 that can surely prevent the electric wire 23 from being caught between the end sides and can improve the workability of the electric wire routing work.

  It should be noted that the technical scope of the battery wiring module according to the present invention is not limited to the above-described embodiment, but includes various modifications of each component described in the claims. For example, in the above-described embodiment, two wire routing paths are provided, but the present invention may be configured to have one wire path in the wire routing body of the battery wiring module. The present invention is not limited to a battery assembly mounted as a secondary battery for high voltage in a vehicle, and protects a plurality of electric wires that carry wiring of a plurality of stacked battery groups and are connected to an external electric circuit. The present invention can also be applied to various battery wiring modules.

  As described above, the battery wiring module according to the present invention has a simple configuration and reliably prevents the electric wire from being caught between the end of the wire routing passage and the open end of the lid. It is possible to improve the workability of the wire routing work and is useful for all battery wiring modules including a wire routing body for wiring a battery assembly in which a plurality of batteries are stacked. .

10 Battery assembly 11 Terminal 12 Plate battery (battery)
20 Battery Wiring Module 21 Bus Bar 23 Electric Wire 25 Connector (External Terminal)
DESCRIPTION OF SYMBOLS 30 Electric wire arrangement body 32 Housing frame part 34 1st electric wire arrangement passage part 35 2nd electric wire arrangement passage part 36 Connection passage part 41 1st electric wire cover part 41a-41f Through-hole 42 2nd Wire cover 42a-42g Through hole 51a, 52a Corner rib 51b-51g, 52b-52h Rib 60 Inclined portion 61 Clearance 310 Lid receiving surface 340, 350 Passage 341, 351 Corner 511 Upper end 521 of corner rib 51a 521 Corner rib 52a upper end

Claims (3)

A plurality of housing frame portions, a bowl-shaped wire routing passage portion formed along the plurality of housing frame portions, a plurality of wire routing passage portions and the plurality of housing frame portions communicating with each other. A wire routing body having a communication passage section, and
A plurality of bus bars housed in each housing frame;
A plurality of electric wires, one end of which is electrically connected to the bus bar, passed through the connecting passage portion, further through the wire routing passage portion, and the other end is electrically connected to an external terminal;
A battery wiring module comprising a cover portion covering the communication passage portion and the wire routing passage portion,
The side portions of the connecting passage portions are inclined to the edge on the wire routing passage portion side so that the width of the frontage at the upper end of the wire routing passage portion is larger than the width of the passage at the lower end. A battery wiring module comprising a rib having a portion. The rib extends to a height equal to or higher than the upper surface of the lid when the lid covers the wire routing passage.
The lid portion has a plurality of through holes provided so as to accommodate ribs constituting the side surface portions of the communication passage portions,
Each of the through holes accommodates the upper end portion of the corresponding one of the ribs when the lid portion covers the wire routing passage portion, and has a wire inspection gap around the upper end portion. The battery wiring module according to claim 1, wherein: The wire routing body is a lid receiving surface portion provided to receive the lid portion inside a corner portion of the wire routing passage portion that bends the wire and guides it to the straight portion of the wire routing passage portion. It further has a corner rib protruding upward,
The lid portion has a through hole provided corresponding to the corner rib,
The through hole accommodates the upper end portion of the corner rib when the lid portion covers the wire routing passage portion, and has a wire inspection gap around the upper end portion. The battery wiring module according to claim 1, wherein the battery wiring module is a battery wiring module.

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