JP6604270B2 - 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 an electric wire routing body provided with an accommodating frame portion for accommodating a bus bar, an electric wire routing passage portion for routing an electric wire connected to the bus bar, and the like. Then, the covered wire is 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 housing frame portion for the bus bar, the passage portion for electric wire arrangement, and the like is provided in the electric wire arrangement.

  In this type of conventional battery wiring module, the cover portion is formed so as to correspond to the triangular protrusion 31 that is the first engagement portion provided on the side wall 12 of the bus bar housing portion 6A, and the protrusion 31A. What is known to be locked by a lock portion 30 formed to have a second engagement portion 32 provided on the side wall 23 of the door (for example, Patent Document 1, Paragraph 0018, FIG. 3 and the like). .

JP2013-157119A

  By the way, in some battery wiring modules, a plurality of bus bar housing frame portions are arranged in, for example, two rows, and two rows of wire routing passages are provided along each row of bus bar housing frame portions. In this case, as in the battery wiring module 70 shown in FIG. 9, electrode lid portions 73 and 74 that cover the bus bar housing portions in each row and lid portions 71 and 72 that cover the electric wire routing passage portions in each row. A configuration in which they are adjacently arranged is conceivable.

  When the conventional battery wiring module described in Patent Document 1 realizes the above-described lid structure shown in FIG. 9, each lid portion, the corresponding bus bar housing frame portion and the wire routing passage portion in each row are provided. It is necessary to provide a lock mechanism corresponding to the lock portion for each time. For this reason, the conventional battery wiring module has a problem that the number of lock mechanisms is large, the number of parts is increased, the number of lock work steps is increased, and the protection space for the electric wire is narrowed due to an increase in installation space of the lock mechanism.

  The present invention has been made in view of the above-described problems, and by increasing the number of the locking mechanism and the number of parts by multilayering the lid, it is possible to expand the wire protection space, reduce the number of locking operations, and reduce the cost. An object is to provide a battery wiring module.

In order to achieve the above object, the battery wiring module according to the first invention of the present application includes a first and a second housing frame group in which a plurality of housing frame portions are arranged in parallel, a wiring lead-out passage portion, and the wiring lead-out passage portion. First and second wire routing passage portions that respectively constitute a short passage portion that communicates with the short passage portion and a long passage portion that communicates with the short passage portion and extends along the first and second housing frame groups. And the first and second wire routing passage portions are respectively disposed outside the first and second housing frame groups, and are housed in the housing frame portions. The first and second electric wires are provided separately from the plurality of bus bars, a plurality of electric wires whose one ends are connected to the respective bus bars and the other ends are electrically connected to external terminals, and the electric wire arrangement body. Cover the short passage portion and the long passage portion of the routing passage portion, respectively. 1 and the 2nd separation lid, and the long passage part of the passage part for the above-mentioned 1st electric wire routing which was provided in the upper part of the side wall of both the outsides of the above-mentioned electric wire arrangement object through hinges, and was closed A configuration comprising the first housing frame group, and the first and second electrode lid portions that respectively cover the long passage portion of the second wire routing passage portion and the second housing frame group. It is.

  With this configuration, in the battery wiring module according to the first invention of the present application, the first separation lid and the first electrode lid portion, and the second separation lid and the second electrode lid portion both have a two-layer structure. The number of lock mechanisms can be reduced, the lock space can be reduced, the wire protection space can be expanded, and the number of lock fitting work steps can be reduced as compared with the configuration in which the respective lid portions are arranged adjacently and locked individually. In addition, the number of parts can be reduced and the cost can be reduced.

  Further, in the battery wiring module according to the first invention of the present application, a portion where the first and second separation lids cover the long passage portion of the first and second wire routing passage portions is the short passage. The structure formed so that it may become lower by the thickness of the said 1st and 2nd electrode cover part than the part which covers a part.

  With this configuration, the battery wiring module according to the first invention of the present application is configured such that when the first and second electrode lid portions are closed, the first and second electrode lid portions cover the long passage portions. Since it is provided so as to be flush with the portion covering the short passage portion, it is possible to avoid the occurrence of a step on the lid upper surface of the portion having the two-layer structure and to avoid an increase in height.

  In the battery wiring module according to the first invention of the present application, each of the first and second separation lids has a plurality of upward locking portions bent in a hook shape on one side edge, and each upward locking The portion is locked in a state of diving the gate-shaped locking portion on the side of the electric cable arrangement body, and has a plurality of male locking portions protruding downward on the other side edge, and each male locking portion is The structure locked to the female locking part provided in the said electric wire routing body side may be sufficient.

  With this configuration, the battery wiring module according to the first invention of the present application does not require a locking mechanism for locking the first and second separation lids, and the number of parts can be reduced and the cost can be reduced. it can.

  In order to achieve the above object, a battery wiring module according to a second invention of the present application is provided with first and second housing frame groups each having a plurality of housing frame portions arranged in parallel, a wiring lead-out passage portion, and the wiring lead-out passage portion. First and second wire routing passage portions that respectively constitute a short passage portion that communicates with the short passage portion and a long passage portion that communicates with the short passage portion and extends along the first and second housing frame groups. The long passage portion of the first wire routing passage portion is disposed outside the first housing frame group, and the long passage portion of the second wire routing passage portion is An electric wire arrangement arranged inside the second housing frame group, a plurality of bus bars housed in each housing frame portion, one end electrically connected to each bus bar, and the other end electrically connected to an external terminal A plurality of electric wires to be connected and the electric wire arrangement body are provided separately from the first and second electric wires. The first and second separation lids covering the short passage portion and the long passage portion of the wire routing passage portion, respectively, and integrally provided via hinges on the upper side walls on both outer sides of the wire routing body; First and second electrode lid portions that cover the long passage portion of the first wire routing passage portion, the first housing frame group, and the second housing frame group, respectively, at the time of closing. .

  With this configuration, the battery wiring module according to the second invention of the present application has a two-layer structure of the first separation lid and the first electrode lid, and is compared with a configuration in which the lids are arranged adjacently and individually locked. Thus, the number of lock mechanisms can be reduced, the lock space can be reduced, the wire protection space can be expanded, and the lock fitting work man-hour can be reduced. In addition, the number of parts can be reduced and the cost can be reduced.

  Further, in the battery wiring module according to the second invention of the present application, the first separation lid is configured such that the portion of the first wire routing passage portion that covers the long passage portion covers the short passage portion. The first electrode lid portion may be formed so as to be lower in thickness.

  With this configuration, the battery wiring module according to the second invention of the present application is configured such that when the first electrode lid portion is closed, the first electrode lid portion overlaps a portion that covers the long passage portion and is a short passage portion. Therefore, it is possible to avoid the occurrence of a step on the upper surface of the lid of the portion having the two-layer structure and to avoid an increase in height.

  Further, in the battery wiring module according to the second invention of the present application, the first separation lid has a plurality of upward locking portions bent in a hook shape on one side edge, and each upward locking portion is There is a plurality of male locking portions that are locked in a state of diving a gate-shaped locking portion on the side of the electric cable arrangement, and protrude downward on the other side edge, and each male locking portion is connected to the electric wire The structure locked to the female locking part provided in the wiring body side may be sufficient.

  With this configuration, the battery wiring module according to the second invention of the present application does not require a lock mechanism for locking the first separation lid, and can reduce the number of parts and reduce the cost.

  ADVANTAGE OF THE INVENTION According to this invention, the battery wiring module which can aim at the expansion of an electric wire protection space, a lock work man-hour, and cost reduction by reducing a lock mechanism and a number of parts by multilayering a cover part 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 the 1st Embodiment of this invention was mounted | worn. It is a top view which shows the cover open state in the electric wire wiring body of the battery wiring module which concerns on the 1st Embodiment of this invention. It is a top view which shows the closed state of the 1st and 2nd isolation | separation lid | cover in the electric wire wiring body of the battery wiring module which concerns on the 1st Embodiment of this invention. It is a top view which shows the closed state of the 1st and 2nd electrode cover part in the electric wire wiring body of the battery wiring module which concerns on the 1st Embodiment of this invention. It is a perspective view which shows the structure of the 1st and 2nd isolation | separation lid | cover in the electric wire wiring body of the battery wiring module which concerns on the 1st Embodiment of this invention. It is a top view which shows the cover open state in the electric wire wiring body of the battery wiring module which concerns on the 2nd Embodiment of this invention. It is a top view which shows the closed state of the 1st and 2nd isolation | separation lid | cover in the electric wire wiring body of the battery wiring module which concerns on the 2nd Embodiment of this invention. It is a top view which shows the closed state of the 1st and 2nd electrode cover part in the electric wire wiring body of the battery wiring module which concerns on the 2nd Embodiment of this invention. It is a top view which shows the closed state of the conventional battery wiring module.

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

[First Embodiment]
1 to 5 show a first 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 including a battery wiring module 20 according to the present embodiment. In particular, the first separation lid 41 and the first electrode lid 43 are opened. The state which closed the 2nd separation lid 42 (refer to Drawing 3) and the 2nd electrode lid part 44 is shown.

  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 secondary battery cell (single battery) or a plurality of secondary battery cells (assembled battery) integrated so as to be connected in series. ).

  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 3, 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 separation lid 41. A second separation lid 42, a first electrode lid portion 43, and a second electrode lid portion 44.

  The electric wire routing body 30 is formed of a resin-made integrally molded body, and protrudes in two rows on one side and the other side along the stacking direction of the batteries 12 when covered with the battery assembly 10. A plurality of terminal insertion holes 31 (see FIG. 1) through which the plurality of terminals 11 to be inserted are respectively inserted.

  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. In addition, the second wire routing passage portion 35 includes a wiring lead-out passage portion 33, a short passage portion 35a that communicates with the wiring lead-out passage portion 33, and a second passage frame group 32b that communicates with the short passage portion 35a. And a long passage portion 34b extending along.

  The wiring lead-out passage portion 33 leads a plurality of electric wires 23 connected at one end to the connector 25 which is an external terminal into the wiring arrangement body 30 and has a hook-like shape, and has a battery 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 that detect 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 connected to each bus bar 21 and the other end is connected to a connector 25 that 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 wire routing body 30 constituting the battery wiring module 20, the first separation lid 41 and the second separation lid 42 are formed in an L-shaped rectangular plate separated from the wire routing body 30, as shown in FIG. Consists of the body. The second separation lid 42 is shown in FIG. 5 as having the same shape as the first separation lid 41 for convenience, but the first separation lid 41 has L-shapes that are symmetrical to each other.

  The first separation lid 41 covers the first electric wire routing passage 34, and the second separation lid 42 covers the second electric wire routing passage 35. The first separation lid 41 includes a portion 41a that covers a short passage portion 34a (see FIG. 2) of the first wire routing passage portion 34 and a long passage portion 34b (see FIG. 2) of the first wire routing passage portion 34. 2 (see 2). A second separation lid 42 that is symmetrical to the first separation lid 41 includes a portion 42a that covers a short passage portion 35a (see FIG. 2) of the second wire routing passage portion 35 and a second wire distribution. A portion 42b covering the long passage portion 35b (see FIG. 2) of the rope passage portion 35.

  As shown in FIG. 5, the first separation lid 41 and the second separation lid 42 have a plurality of upwards on one side edge of the longer plate-like body among the long and short plate-like bodies forming the L shape. It has upward locking portions 41d and 42d bent in a hook shape. Each of the upward locking portions 41d and 42d is locked in a state where the locking portions 43d and 44d formed in a gate shape on the side of the electric cable routing body 30 are submerged. The upward locking portion 41d and the locking portion 43d, and the upward locking portion 42d and the locking portion 44d constitute hook mechanisms 50a and 50b, respectively.

  The first separation lid 41 and the second separation lid 42 have a plurality of male lock portions 41c and 42c projecting downward on the other side edge of the shorter plate-like body, and each male lock portion. 41c and 42c are locked to each female lock part 61 provided in the electric wire arrangement body 30 side.

  As shown in FIGS. 2 and 3, the first electrode lid portion 43 is integrally provided in an open state via a hinge 43 b on the outer side wall upper end on one side of the wire routing body 30. Sometimes it covers the range up to the first storage frame group 32a.

  On the other hand, the second electrode lid portion 44 is integrally provided in an open state via a hinge 44b on the outer side wall upper end on the other side of the electric wire routing body 30. When the lid is closed, the second housing frame group is provided. It covers the range up to 32b.

  A plurality of locking claws 43c and 44c are provided on the side edge of the first electrode lid 43 and the second electrode lid 44 opposite to the side where the hinges 43b and 44b are provided. When the lid is closed, the plurality of locking claws 43c of the first electrode lid portion 43 are fitted into a plurality of engaging recesses 60 provided along the first wire routing passage portion 34, respectively. The plurality of locking claws 44c of the second electrode lid portion 44 are fitted into a plurality of engagement recesses 60 provided along the second wire routing passage portion 35 when the lid is closed. .

  In the battery wiring module 20 according to the present embodiment, as shown in FIG. 5, the first separation lid 41 of the wire routing body 30 covers the long passage portion 34 b of the first wire routing passage portion 34. The portion 41b is formed so as to be lower than the portion 41a covering the short passage portion 34a, that is, by the thickness of the first electrode lid portion 43. That is, the first separation lid 41 has a portion 41a that covers the short passage portion 34a of the first wire routing passage portion 34 when the first electrode lid portion 43 is covered with the first electrode lid portion 43. The lid portion 43 is provided so as to be flush with the top surface of the lid portion 43.

  Similarly, the second separation lid 42 has one portion than the portion 42a where the portion 42b covering the long passage portion 35b of the second electric wire routing passage portion 35 covers the short passage portion 35a, that is, for the second electrode. The lid portion 44 is formed so as to be lower in thickness. That is, the second separation lid 42 has a portion 42 a that covers the short passage portion 35 a of the second wire routing passage portion 35 when the second electrode lid portion 44 is covered with the second electrode lid portion 44. The lid portion 42 is provided so as to be flush with the upper surface of the lid of the lid portion 42.

  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 wires 23 for wiring 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. . In the present embodiment, a plurality of externally extended electric wires 23 are connected to a connector 25.

  Next, the first separation lid 41 and the second separation lid 42 shown in FIG. 5 are prepared, and these are respectively connected to the first wire routing passage portion 34 and the second separation lid 42 as shown in FIG. The openings are covered with the wire routing passage portions 35 respectively. For the first separation lid 41, the upper lids for the above-mentioned openings are connected to the corresponding locking portions 43d formed in a gate shape on the wire routing body 30 side by connecting the upward locking portions 41d provided on one side edge. After being submerged, each male locking part 41c provided on the other side edge is rotated until it is engaged with each corresponding female locking part 61 provided on the electric wire routing body 30 side.

  Similarly, with respect to the second separation lid 42, each upward locking portion 42 d provided on one side edge is hidden in each corresponding locking portion 44 d formed in a gate shape on the side of the electric cable routing body 30. Then, each male lock part 42c provided on the other side edge is rotated until it is engaged with each corresponding female lock part 61 provided on the electric wire arrangement body 30 side, so that the second electric cable arrangement is used. The lid of the passage portion 35 is closed.

  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 electric wires 23 are arranged. When the first and second separation lids 41 and 42 are closed by the first and second separation lids 41 and 42 (see FIG. 3), the electric wire routing passages 34 and 35 are ready for shipment to a supplier.

  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, in the business partner, the battery wiring module 20 includes a plurality of terminals 11 protruding in two rows on one side and the other side along the stacking direction of the battery assembly 10. It is attached to the battery assembly 10 so as to be inserted through the battery 31.

  Next, in the wire routing body 30 of the battery wiring module 20 attached to the upper surface of the battery assembly 10, the first and second electrode lid portions 43 and 44 are respectively covered in the manner shown in FIG. The range up to the first storage frame group 32a and the range up to the second storage frame group 32b are covered. In the above work at the delivery destination, the battery wiring module 20 has the first and second separation lids 41 and 42 already closed. For this reason, the delivery destination can safely perform the attachment of the battery wiring module 20 to the battery assembly 10 and the closing of the first and second electrode lid portions 43 and 44 while protecting the electric wire 23.

  Thus, the battery wiring module 20 according to the present embodiment includes the first and second housing frame groups 32a and 32b in which the plurality of housing frame portions 32 are arranged in parallel, the wire lead-out passage portion 33, and the wire lead-out. A first passage and a second passage constituting a short passage portion 34a communicating with the passage portion 33 and a long passage portion 34b communicating with the short passage portion 34a and extending along the first and second housing frame groups 32a and 32b, respectively. And the first and second wire routing passages 34 and 35 are disposed outside the first and second housing frame groups 32a and 32b, respectively. Electric wire arrangement body 30, a plurality of bus bars 21 accommodated in each accommodating frame portion 32, a plurality of electric wires 23 electrically connected at one end to each bus bar 21 and the other end to a connector 25, and an electric cable arrangement Provided separately from the body 30, Both the first and second separation lids 41 and 42 covering the short passage portions 34a and 35a and the long passage portions 34b and 35b of the second electric wire routing passage portions 34 and 35 and the electric wire routing body 30, respectively. A long passage portion 34b of the first electric wire routing passage portion 34, the first housing frame group 32a, and the second electric wire are provided integrally with the upper end of the outer side wall via hinges 43b and 44b. The configuration includes a long passage portion 35b of the routing passage portion 35 and first and second electrode lid portions 43 and 44 that respectively cover the second housing frame group 32b.

  In the battery wiring module 20 according to the present embodiment, the first separation lid 41 and the first electrode lid 43, and the second separation lid 42 and the second electrode lid 44 both have a two-layer structure. Compared with the configuration in which the respective lid portions 41, 42, 43, 44 are arranged adjacently and locked individually, the number of lock mechanisms can be reduced, the lock space is reduced, the wire protection space is expanded, and the lock fitting operation Man-hours can be reduced. In addition, the number of parts can be reduced and the cost can be reduced.

  Further, in the battery wiring module 20 according to the present embodiment, the first and second separation lids 41 and 42 are provided in the long passage portions 34b and 35b of the first and second electric wire routing passage portions 34 and 35, respectively. In this configuration, the covered portion is formed to be lower by the thickness of the first and second electrode lid portions 43 and 44 than the portion covering the short passage portions 34a and 35a.

With this configuration, in the battery wiring module 20 according to the present embodiment, when the first and second electrode lid portions 43 and 44 are closed, the first and second electrode lid portions 43 and 44 are long passages. Since it is provided so as to overlap the portions 41b and 42b covering the portions 34b and 35b and to be flush with the portions 41a and 42a covering the short passage portions 34a and 35a, the portion on the lid upper surface of the portion having the two-layer structure The generation of a step can be avoided and an increase in height can be suppressed.

  In the battery wiring module 20 according to the present embodiment, the first and second separation lids 41 and 42 have a plurality of upward locking portions 41d and 42d that are bent in a hook shape upward on one side edge. Each of the upward locking portions 41d and 42d is locked in a state where the locking portions 43d and 44d formed in a gate shape are buried on the side of the electric cable routing body 30 and protrudes downward to the other side edge. It has a lock | rock part 41c, 42c, and each male lock | rock part 41c, 42c is the structure locked by the female lock | rock part 61 provided in the electric wire routing body 30 side.

  With this configuration, the battery wiring module 20 according to the present embodiment eliminates the need for a locking mechanism for locking the first and second separation lids 41 and 42, and reduces the number of parts and lowers the cost. Can be planned.

  With the configuration described above, in the present embodiment, the first separation lid 41 and the first electrode lid portion 43, and the second separation lid 42 and the second electrode lid portion 44 are each made into two layers. Thus, it is possible to provide the battery wiring module 10 that can reduce the lock mechanism and the number of parts, thereby expanding the wire protection space, locking work man-hours, and cost reduction.

[Second Embodiment]
6 to 8 show a second embodiment of the battery wiring module according to the present invention. The configuration of the battery wiring module 20A according to the second embodiment will be described. In the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. In particular, the components different from those in the first embodiment are mainly described. Explained.

  As shown in FIGS. 6 and 7, the battery wiring module 20 </ b> A according to the present embodiment includes the first and second wire routing paths 34 and 35 </ b> D in the wire routing body 30 </ b> A, and the first and second The arrangement mode of the housing frame groups 32a and 32b is different from that of the first embodiment.

  That is, in the battery wiring module 20A according to the present embodiment, the wire routing body 30A has the long passage portion 34b of the first wire routing passage portion 34 arranged outside the first housing frame group 32a, And the long channel | path part 35b of the channel | path part 35D for 2nd electric wire wiring is arrange | positioned inside the 2nd accommodating frame group 32a.

  In the present embodiment, the second separation lid 42A and the second electrode lid portion 44A are the same as the second separation lid 42 and the second electrode lid portion 44 according to the first embodiment. The configuration is different.

  As shown in FIGS. 7 and 8, the second separation lid 42 </ b> A has an L shape and covers the second wire routing path portion 35 </ b> D. The second separation lid 42A is configured to be attached to the electric wire routing body 30A by a lock mechanism. As a locking mechanism, the second separation lid 42A has a plurality of locking claws 42e on one side edge in the longitudinal direction. When the second separation lid 42A is closed to cover the second wire routing passage portion 35D, the plurality of locking claws 42e engage with the engagement recesses 63 provided on the wire routing body 30A side. It is.

  In the electric wire arrangement 30A, the second electrode lid portion 44A is hinged to the upper end of the outer side wall of the second electric wire arrangement passage portion 35D, that is, the upper end of the other outer side wall of the electric wire arrangement 30A. Are provided integrally. Here, the second electrode lid portion 44A has a width that covers the second wire routing passage portion 35D when the lid is closed.

  A plurality of locking claws 44c are provided on the side edge portion of the second electrode lid portion 44A opposite to the side where the hinge 44b is provided. The plurality of locking claws 44c of the second electrode lid portion 44A are formed in a plurality of engaging recesses 64 provided along the second wire routing passage portion 35D of the wire routing body 30A when the lid is closed. Mated.

  In the battery wiring module 20A according to the present embodiment, the long passage portion 35b of the second wire routing passage portion 35D is disposed inside the second housing frame group 32b, and the second separation lid 42A The configuration other than the point that the second electrode lid portion 44A is locked with respect to the rope body 30A and has a width corresponding to the passage width of the second electric wire routing passage portion 35D is the first configuration. This is the same as the battery wiring module 20 according to the embodiment.

That is, in the battery wiring module 20A according to the present embodiment, the wire routing body 30A has a short first portion 41b covering the long passage portion 34b of the first wire routing passage portion 34. The first wire routing passage is formed so as to be lower than the portion 41a covering the passage portion 34a by the thickness of the first electrode lid portion 43 and is covered with the first electrode lid portion 43. The portion 41 a that covers the short passage portion 34 a of the portion 34 is configured to be flush with the upper surface of the lid of the first electrode lid 43.

  Next, the lid closing operation of each lid portion in the electric wire routing body 30A of the battery wiring module 20A will be described.

  The battery wiring module 20A is similar to the wire routing body 30 of the battery wiring module 20 according to the first embodiment in the closing operation other than the closing of the second separation lid 42A and the second electrode lid portion 44A. Can be done. Thereby, for example, for the first separation lid 41, the electric wire routing body covers the first electric wire routing passage 34 as shown in FIG. 7 according to the procedure described with reference to FIG. 3. It can be attached to 30A.

  On the other hand, for the second separation lid 42A, when the second wire routing passage portion 35D is covered in the form shown in FIG. 7, the second wire routing route 42A is arranged so that the plurality of locking claws 42e face downward. After being disposed opposite to the passage portion 35D, the plurality of locking claws 42e may be pushed down until they engage with the engaging recesses 63 provided on the electric wire wiring body 30A side.

  Moreover, about the 2nd electrode cover part 44A, as shown in FIG. 7, it can attach to the electric wire wiring body 30A so that the 2nd storage frame group 32b may be covered. At the time of this attachment, each male locking part 44c provided on the other side edge of the second electrode lid part 44A on the other side edge provided with the hinge 44b of the second electrode lid part 44A is an electric wire routing body. What is necessary is just to rotate until it engages with each corresponding female locking part 64 provided in 30 side.

  In the embodiment shown in FIG. 7, the electric wire wiring module 20A is completely closed by the first and second separation lids 41 and 42A of the first and second electric wire routing passage portions 34 and 35D (see FIG. 3). Then, it will be in the state which can be shipped to a customer.

  The supplier attaches the delivered battery wiring module 20A to the upper surface of the battery assembly 10, and then, as shown in FIG. 8, the first housing frame group by the first and second electrode lid portions 43 and 44A. The lid in the range up to 32a and the second housing frame group 32b are closed.

  Thus, the battery wiring module 20A according to the second embodiment includes the first and second housing frame groups 32a and 32b in which the plurality of housing frame portions 32 are arranged in parallel, the wire lead-out passage portion 33, Short passage portions 34a and 35a communicating with the wiring lead-out passage portion 33 and long passage portions 34b and 35b extending along the first and second housing frame groups 32a and 32b, respectively, are communicated with the short passage portions 34a and 35a. First and second wire routing passage portions 34 and 35D, and a long passage portion 34b of the first wire routing passage portion 34 is disposed outside the first housing frame group 32a. The long passage portion 35b of the second electric wire routing passage portion 35D is arranged in the second housing frame group 32b, and a plurality of wires accommodated in the housing frame portions 32 and the wire routing body 30A. Bus bar 21 and one end of each bus bar 21 A plurality of electric wires 23 that electrically connect the other end to the connector 25 and the electric wire arrangement body 30A are provided separately from each other, and the short passage portions 34a of the first and second electric wire arrangement passage portions 34 and 35D are provided. , 35a and the long passage portions 34b, 35b, respectively, and the first and second separation lids 41, 42A and the upper ends of both side walls of the electric cable arrangement 30A are integrally provided via hinges 43b, 44b, and closed. First and second electrode lid portions 43 that respectively cover the long passage portion 34b of the first electric wire routing passage portion 34, the first housing frame group 32a, and the second housing frame group 32b at the time of covering. 44A.

  With this configuration, in the battery wiring module 20A according to the present embodiment, the first separation lid 41 and the first electrode lid portion 43 have a two-layer structure, and the lid portions 41 and 43 are arranged adjacent to each other. Compared to the configuration of locking, the number of lock mechanisms can be reduced, the lock space can be reduced, the wire protection space can be expanded, and the lock fitting work man-hour can be reduced. Further, the battery wiring module 20A can suppress an increase in the height of the portion having the two-layer structure.

  In addition, in the battery wiring module 20A according to the present embodiment, the first separation lid 41 has a portion that covers the long passage portion 34b of the first wire routing passage portion 34 than the portion that covers the short passage portion 34a. In this configuration, the first electrode lid portion 43 is formed so as to be lower in thickness.

  With this configuration, when the first electrode lid 43 is closed, the battery wiring module 20A according to the present embodiment overlaps the portion where the first electrode lid 43 covers the long passage portion 34b and Since it is provided so as to be flush with the portion covering the short passage portion 34a, it is possible to avoid the occurrence of a step on the upper surface of the lid of the portion having the two-layer structure.

  In the battery wiring module 20A according to the present embodiment, the first separation lid 41 has a plurality of upward locking portions 41d bent in a hook shape on one side edge, and each upward locking portion 41d. Has a plurality of male locking portions 41c that are locked in a state of diving a locking portion 43d formed in a gate shape on the side of the electric cable routing body 30A and projecting downward on the other side edge. The part 41c is configured to be locked to the female locking part 61 provided on the electric wire routing body 30A side.

  With this configuration, the battery wiring module 20A according to the present embodiment does not require a lock mechanism for locking the first separation lid 41, and can reduce the number of parts and reduce costs. As described above, the battery wiring module 20A according to the second embodiment has the same effects as the battery wiring module 20 according to the first embodiment.

  As described above, the battery wiring module according to the present invention can reduce the lock mechanism and the number of parts by multilayering the lid portion, thereby enabling expansion of the wire protection space, locking work man-hours, and cost reduction. The present invention is useful for all battery wiring modules including an electric wire arrangement for wiring a battery assembly in which a plurality of batteries are stacked.

10 Battery assembly 11 Terminal 12 Plate battery (battery)
20, 20A battery wiring module 21 bus bar 23 electric wire 25 connector 30, 30A electric wire arrangement body 32 accommodating frame part 32a accommodating frame group (first accommodating frame group)
32b storage frame group (second storage frame group)
33 Wiring outlet passage portion 34 First wire routing passage portion 34a Short passage portion 34b Long passage portion 35 Second wire routing passage portion 35a Short passage portion 35b Long passage portion 36 Communication passage portion 41 First separation Lid 41a Part covering the short passage part 41b Part covering the long passage part 41c Male locking part 41d Upward locking part 42, 42A Second separation cover 42a Part covering the short passage part 42b Part covering the long passage part 42c Male type Lock portion 42d Upward locking portion 43 First electrode lid portion 43b Hinge 44, 44A Second electrode lid portion 44b Hinge 50a, 50b Hook mechanism 61 Female lock portion

Claims (6)

First and second housing frame groups each having a plurality of housing frame portions arranged side by side, a wiring outlet passage portion, a short passage portion communicating with the wiring outlet passage portion, and a short passage portion communicating with the short passage portion. First and second electric wire routing passage portions, each of which constitutes a long passage portion extending along the second housing frame group. Are arranged on the outside of the first and second housing frame groups, and
A plurality of bus bars housed in each housing frame;
A plurality of electric wires that electrically connect one end to each bus bar and the other end to an external terminal;
First and second separation lids provided separately from the wire routing body and covering the short passage portion and the long passage portion of the first and second wire routing passage portions, respectively;
Provided integrally via hinges on both outer side wall upper ends of the electric wire arrangement body, and when the lid is closed, the long passage portion of the first electric wire arrangement passage portion and the first housing frame group, and A battery wiring module comprising: the long passage portion of the second wire routing passage portion; and first and second electrode lid portions that respectively cover the second housing frame group.   The first and second separation lids include the first and second electrodes than the portion of the first and second wire routing passage portions that covers the long passage portion covers the short passage portion. The battery wiring module according to claim 1, wherein the battery wiring module is formed so as to be lower by a thickness of the lid portion for use.   Each of the first and second separation lids has a plurality of upward locking portions bent in a hook shape on one side edge, and each upward locking portion is formed in a gate shape on the electric wire routing body side. A female locking portion having a plurality of male locking portions which are locked in a state where the locking portion is dived and protrudes downward on the other side edge, and each male locking portion is provided on the electric wire routing body side The battery wiring module according to claim 1, wherein the battery wiring module is locked to the battery wiring module. First and second housing frame groups each having a plurality of housing frame portions arranged side by side, a wiring outlet passage portion, a short passage portion communicating with the wiring outlet passage portion, and a short passage portion communicating with the short passage portion. First and second wire routing passage portions that respectively constitute long passage portions extending along the second housing frame group, and the first wire routing passage portion is long. A wire routing body in which a passage portion is disposed outside the first housing frame group and the long passage portion of the second wire routing passage portion is disposed inside the second housing frame group When,
A plurality of bus bars housed in each housing frame;
A plurality of electric wires that electrically connect one end to each bus bar and the other end to an external terminal;
First and second separation lids provided separately from the wire routing body and respectively covering the short passage portion and the long passage portion of the first and second wire routing passage portions;
Provided integrally via hinges on both outer side wall upper ends of the electric wire arrangement body, and when the lid is closed, the long passage portion of the first electric wire arrangement passage portion and the first housing frame group, and A battery wiring module, comprising: first and second electrode lid portions respectively covering the second housing frame group.   In the first separation lid, the portion of the first wire routing passage portion that covers the long passage portion is lower than the portion of the first wire lid portion that covers the short passage portion by the thickness of the first electrode lid portion. The battery wiring module according to claim 4, wherein the battery wiring module is formed as described above.   The first separation lid has a plurality of upward locking portions bent in a hook shape on one side edge, and each upward locking portion is formed in a gate shape on the wire arrangement body side. A plurality of male locking portions which are locked in a state of diving and projecting downward on the other side edge, and each male locking portion is locked to a female locking portion provided on the wire arrangement body side. The battery wiring module according to claim 4, wherein the battery wiring module is a battery wiring module.

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