CN102751465A

CN102751465A - Wiring harness of battery module and battery module

Info

Publication number: CN102751465A
Application number: CN2012101170744A
Authority: CN
Inventors: 新堂悟; 芝谷宇弥
Original assignee: JST Mfg Co Ltd
Current assignee: JST Mfg Co Ltd
Priority date: 2011-04-19
Filing date: 2012-04-19
Publication date: 2012-10-24
Anticipated expiration: 2032-04-19
Also published as: JP2012226969A; CN102751465B

Abstract

The present invention provides a wiring harness and a battery module using the wiring harness. The wiring harness can compact a periphery of the wiring harness by performing simple processing for an FFC (Flexible Flat Cable), and can reduce manufacturing cost even if a plurality of battery modules are arranged. The wiring harness (100) is obtained by processing the FFC (100'), and comprises: a wiring harness main body (110) formed by a middle part of the FFC (100'); a first connecting part (120) extended from one end of the wiring harness main body (110) and provided with exposing parts (121) which are exposed outside from an insulated coating (100a) correspondingly and one by one at a plurality of conductors (100b) and a plurality of electrical signal detection parts (222); and a second connecting part (130) extended from the other end of the wiring harness main body (110) and connected with an electrical processing device (400). The battery module (M) comprises the wiring harness (100), a battery element group (200) and the electrical processing device (400).

Description

The wire harness of battery module and battery module

Technical field

The present invention relates to constitute the technical field of the wire harness of battery module with stacks of cells.

Background technology

Japanese Patent Laid open the disclosed battery module of 2010-157399 communique comprise a plurality of battery units, control said each battery unit battery ECU and with the flexible printed circuit board (hereinafter to be referred as being FPC) that couples together between said each battery unit and the said battery ECU.Said FPC has following structure: utilize conductor foil made of copper to form circuit having on the basement membrane of insulating properties, and utilize diaphragm to cover the upper surface of said conductor foil.Said FPC comprises banded matrix part, and the spacer that comprises the brace from the lateral margin of the long side of said matrix part along the Width circle outstanding, that is connected with electrode terminal of matrix part and pass through the semicircle shape that alignment pin fixes.And said electrode terminal runs through the electrode that is inserted into said brace and runs through patchhole, and clamping element is installed in along the outside of the brace of the side wall surface configuration of said electrode terminal, thereby is fixedly connected the connecting portion between sheet and the electrode terminal.

Japanese Patent Laid open the disclosed battery module of 2010-3466 communique comprise a plurality of battery units, with the bus that couples together between said each battery unit, control said each battery unit battery ECU (abbreviation of electronic control unit) and with the FPC that couples together between said each battery unit and the said battery ECU.Said FPC comprise banded matrix part and from the lateral margin of the long side of said matrix part along the outstanding brace of the Width of matrix part.And the said brace of said FPC is sandwiched between electrode part and the bus towards the mode of bus bar side with the face of the side that is provided with the substrate-side terminal.

As stated, in the past battery module uses FPC as with the wire harness that couples together between said each battery unit and the said battery ECU.Thus, cover the common electric wire that heart yearn forms with insulating coating and compare as the situation of said wire harness with using, said wire harness can not occupy big space, therefore can make densification around the said wire harness of said battery module.But; When the configuration of the said battery unit of setting said stacks of cells, or during different a plurality of said battery module such as the relative position of said stacks of cells and said battery ECU, must carry out the manufacturing of said FPC through the mould that designs said FPC respectively to said each battery module and make each FPC special use.Like this, because said each battery module needs special-purpose said FPC respectively, the cost of manufacture of said each battery module increases.

Summary of the invention

The present invention is conceived to such point just and accomplishes; Its purpose is to provide a kind of wire harness and the battery module that uses said wire harness of battery module; Said wire harness through to general flexible flat cable (hereinafter to be referred as making FFC) simply process; Can make said wire harness densification on every side; Even and setting the configuration of the said battery unit of said stacks of cells for example, or during different a plurality of said battery module such as the relative position of electric treatment devices such as said stacks of cells and said battery ECU, also can reduce the manufacturing cost of said each battery module.

In order to reach said purpose, the wire harness of battery module of the present invention obtains through processing FFC, and said FFC comprises: the insulating coating that is the softness of extending bandedly; And a plurality of conductors that are the softness of wire; Said conductor is arranged on the long limit towards the cross section of the bearing of trend of this insulating coating along said insulating coating in the inside of said insulating coating; And the bearing of trend at said insulating coating extends; Said wire harness comprises: the wire harness main body, and said wire harness main body is made up of the mid portion on the bearing of trend of said insulating coating of said FFC; First connecting portion; Said first connecting portion extends from the end on the bearing of trend of said insulating coating of said wire harness main body; And at a plurality of said conductors; Be provided with one by one accordingly from said insulating coating with a plurality of electrical signal detection portion and be exposed to outside exposed division; Stacks of cells comprises a plurality of battery units that have the pair of electrodes terminal respectively and be configured to row, and said a plurality of electrical signal detection portion is arranged at a plurality of positions along the said row of said battery unit of said stacks of cells, and can detect the corresponding signal of telecommunication of state with peripheral said battery unit; And second connecting portion, said second connecting portion extends from the other end on the bearing of trend of said insulating coating of said wire harness main body, and is connected with the electric treatment device that receives from the signal of telecommunication of said electrical signal detection portion.

As long as each exposed division of said first connecting portion is connected with said each electrical signal detection portion respectively, also said second connecting portion is connected with said electric treatment device, just formed battery module.

In this case, cover the common electric wire that heart yearn forms with insulating coating and compare as the situation of said wire harness with using, said wire harness can not occupy big space, therefore can make densification around the said wire harness of said battery module.In addition; Have distolateral with from the general said FFC of the corresponding length of said stacks of cells to the length of said electric treatment device; From the so simple processing of said exposed division that said insulating coating is exposed to the outside said first connecting portion is set through being implemented in a plurality of said conductor settings; And the other end at said FFC; Wait second connecting portion is set through for example connecting said electric connector or being exposed to outside exposed division from said insulating coating, formed the wire harness of said battery module thus in a plurality of said conductor settings.Therefore; Even setting the configuration of the said battery unit of said stacks of cells for example, or during different a plurality of said battery module such as the relative position of said stacks of cells and said electric treatment device, also can reduce the manufacturing cost of said each battery module.

Battery module of the present invention comprises: the wire harness of said battery module of the present invention; Comprise the said stacks of cells that has a pair of said electrode terminal respectively and be configured to a plurality of said battery units of row; And said electric treatment device, the said exposed division of said first connecting portion connects with corresponding said electrical signal detection portion respectively, and the said conductor of said second connecting portion connects with the input part of corresponding said electric treatment device respectively.

At the wire harness of battery module of the present invention and use in the battery module of said wire harness; Through general FFC is simply processed; Can make said wire harness densification on every side; Even and setting the configuration of the said battery unit of said stacks of cells for example, or during different a plurality of said battery module such as the relative position of said stacks of cells and said electric treatment device, also can reduce the manufacturing cost of said each battery module.

Description of drawings

Fig. 1 shows the stereogram of the battery module of first execution mode of the present invention.

Fig. 2 is the vertical view of said battery module being observed from thickness direction.

Fig. 3 observes the major part of Fig. 2 and the vertical view shown in the amplification from said thickness direction.Thereby part is excised first connecting portion and is shown the support portion.This figure also shows the major part of the battery module of second execution mode of the present invention.

Fig. 4 shows the stereogram of electric treatment device, first wire harness and the support component of said battery module.Said electric treatment device is in dissengaged positions.The electric connector of said first wire harness is connected with the pairing side electric connector.

Fig. 5 is the stereogram that shows said battery module with decomposing.Show a plurality of battery units, be installed on the nut (only showing, other omissions) of these battery units, a plurality of support component, said first and second wire harness and said electric treatment device.

Fig. 6 shows the stereogram of the said electric treatment device of said battery module, said first wire harness and said support component.Said electric treatment device is in dissengaged positions.The said electric connector of said first wire harness is not connected with said pairing side electric connector.

Fig. 7 is the vertical view of in the direction of the minor face towards the cross section of its bearing of trend said first wire harness being observed from along insulating coating.

Fig. 8 is the vertical view of in the direction on the long limit towards the cross section of its bearing of trend said first wire harness being observed from along said insulating coating.

Fig. 9 is the vertical view that said first wire harness is installed on said support component and observes from said thickness direction.Omitted said electric connector.

Figure 10 is the vertical view that said second wire harness is installed on said support component and observes from said thickness direction.Omitted said electric connector.

Figure 11 is in each execution mode of the present invention, from the contact of the said electric connector of second connecting portion of observing said first wire harness along the direction on said long limit and the end view shown in amplifying.Said insulating coating and said conductor are to dissect towards the face along the direction on the said long limit of said contact.

Figure 12 is in each execution mode of the present invention, from the said contact of observing said second connecting portion along the direction of said minor face and the vertical view shown in amplifying.

Figure 13 is the figure that shows along the cross section of the XIII-XIII line of Figure 11 with amplifying.

Figure 14 is employed FFC and the figure that amplified in each execution mode of the present invention, from observe said first wire harness and said second wire harness along the direction of said minor face.

Figure 15 is in each execution mode of the present invention, with dissecing and than the further figure that shows said FFC of Figure 14 in the face of said FFC towards the bearing of trend of said insulating coating with amplifying.

Figure 16 shows the stereogram of the battery module of second execution mode of the present invention.A plurality of battery units are configured to row along depth direction, wherein, only show several battery units of several and depths at the moment, and have omitted the diagram of the said battery unit between these battery units.

Figure 17 is the vertical view of the said battery module of said second execution mode being observed from said thickness direction.A plurality of battery units are configured to row along depth direction, wherein, only show several battery units of several and depths at the moment, and have omitted the diagram of the said battery unit between these battery units.

Figure 18 be from the group of first wire harness of the said battery module of said second execution mode, take out two wire harness in the overlapping wire harness and arrange at Width with staggering, the same vertical view that from the group of second wire harness, also takes out two wire harness and arrange with staggering and observe from said thickness direction at Width.Omitted said electric connector.

Figure 19 shows the vertical view of first wire harness of the battery module of the 3rd execution mode of the present invention.

Figure 20 is the end view of said first wire harness of said the 3rd execution mode being observed from along the direction on the said long limit of said insulating coating and said conductor.

Figure 21 is the vertical view of the said battery module of said the 3rd execution mode being observed from said thickness direction.

Figure 22 observes the major part of Figure 21 and the vertical view shown in the amplification from said thickness direction.This figure also shows the major part of the battery module of the 4th execution mode of the present invention.

Figure 23 be from said thickness direction observe said the 3rd execution mode said battery module variation major part and amplify shown in vertical view.This figure also shows the major part of variation of the battery module of the 4th execution mode of the present invention.

Figure 24 shows the stereogram of the battery module of the 4th execution mode of the present invention.A plurality of battery units are configured to row along depth direction, wherein, only show several battery units of several and depths at the moment, and have omitted the diagram of the said battery unit between these battery units.

Figure 25 is the vertical view of the battery module of said the 4th execution mode being observed from said thickness direction.A plurality of battery units are configured to row along depth direction, wherein, only show several battery units of several and depths at the moment, and have omitted the diagram of the said battery unit between these battery units.

Figure 26 be from the group of first wire harness of the said battery module of said the 4th execution mode, take out two wire harness in the overlapping wire harness and arrange at Width with staggering, the same vertical view that from the group of second wire harness, also takes out two wire harness and arrange with staggering and observe from said thickness direction at Width.Omitted said electric connector.

Figure 27 shows the amplification stereogram of variation of the said support component of said each execution mode.

Figure 28 shows the amplification exploded perspective view of variation of the said support component of said each execution mode.

Figure 29 shows the amplification stereogram of variation of the binding parts of said each execution mode.Figure 29 further amplifies than Figure 27 and Figure 28.

Embodiment

Below, execution mode of the present invention is described.Fig. 1 to Fig. 3 shows first execution mode of battery module of the present invention.Said battery module M comprises wire harness 100, stacks of cells 200 and electric treatment device 400.In said battery module M; Said wire harness 100 is two; Said stacks of cells 200 is one; Said electric treatment device 400 is one, but this said wire harness, said stacks of cells and the said electric treatment device number separately that cannot be interpreted as formation said battery module of the present invention are defined to this.Constituting the said wire harness of said battery module of the present invention, said stacks of cells and said electric treatment device only need have at least one respectively and get final product.For example, can said electric treatment device be set respectively, for example plural said stacks of cells is connected with the said wire harness of number less than said stacks of cells to every said wire harness.The battery module M of this execution mode is constituted as: is equipped on electric automobile, and is connected with the motor that is used to drive said electric automobile via control system, thereby to said motor supply of current.But the said wire harness of said battery module of the present invention and said battery module needing to be widely used in the device of electric power.Therefore; Except certain, be equipped on PHEV or use the battery module of automobile etc. of internal combustion engine, for example be equipped on boats and ships, airborne vehicle or other conveying machineries etc., or for example be equipped on that the battery module of air-supply arrangement, cooling device or other electric products etc. also becomes object of the present invention.

Said wire harness 100 can obtain like Figure 14 and FFC100 ' shown in Figure 15 through processing.Said FFC100 ' is general product.Said FFC100 ' comprises insulating coating 100a and a plurality of conductor 100b.Said insulating coating 100a is formed by the insulating properties material of softness, and is banded extension.Promptly; The cross section towards the cross section of its bearing of trend, when promptly having cut off said insulating coating 100a with the face with the bearing of trend quadrature of said insulating coating 100a of said insulating coating 100a is quadrangle roughly; The size on a said roughly tetragonal side's limit is with respect to the size long enough on the opposing party's limit; Thus, the cross section forms thin shape.A said side's limit is the long limit of said insulating coating 100a, and the opposing party's limit is the minor face of said insulating coating 100a.In addition, the size on the bearing of trend of said insulating coating 100a is long more than the size of the said long limit of said insulating coating 100a and minor face, and therefore said insulating coating 100a forms the such shape of flat band.The said insulating coating 100a of this execution mode is by PET (polyethylene terephthalate resin; Pet resin) form, but said insulating coating 100a also can be formed by for example polyester or other synthetic resin or other insulating properties materials.Said each conductor 100b forms wire by the conductive material of softness respectively.A plurality of said conductor 100b are set at the inside of said insulating coating 100a.A plurality of said conductor 100b arrange along the devices spaced apart ground, said long limit of said insulating coating 100a.Said each conductor 100b extends along the bearing of trend of said insulating coating 100a.The cross section towards the cross section of its bearing of trend, when promptly having cut off said conductor 100b with the face with the bearing of trend quadrature of said conductor 100b of said conductor 100b is quadrangle roughly; The size on a said roughly tetragonal side's limit is enough big with respect to the size on the opposing party's limit; Thus, the cross section forms thin shape.A said side's limit is the long limit of said conductor 100b, and the opposing party's limit is the minor face of said conductor 100b.In addition, the size on the bearing of trend of said conductor 100b is long more than the size of the said long limit of said conductor 100b and minor face, though therefore said conductor 100b conceptive be said wire, have the shape of thin foil shape.In this case, said insulating coating 100a and said conductor 100b are configured to: the parallel and said minor face in said long limit is parallel.The cross sectional shape of said conductor 100b also can be for example circular, polygon or other shapes.The said conductor 100b of this execution mode is formed by hard copper, but also can be formed by for example zinc-plated soft copper or other metals or other conductive materials.

Said battery module M comprises that first and second amounts to two said wire harness 100.When as above-mentioned, in said battery module, using many said wire harness, the number of the said conductor 100b in every said wire harness, be that unanimity is inconsistent sometimes sometimes for number of poles.Therefore, can obtain multiple said wire harness through the different a plurality of said FFC of processing number of poles.Shown in Fig. 7 to Fig. 9 is said first wire harness 100, and shown in Figure 10 is said second wire harness 100.Said each wire harness 100 comprises: wire harness main body 110, and its mid portion on the bearing of trend of said insulating coating 100a by said FFC100 ' constitutes; First connecting portion 120, its end 111 on the bearing of trend of said insulating coating 100a from said wire harness main body 110 extends; And second connecting portion 130, its other end on the bearing of trend of said insulating coating 100a 112 from said wire harness main body 110 extends.Said wire harness main body 110, said first connecting portion 120 and said second connecting portion 130 form continuously, and said insulating coating 100a forms respectively continuously between these three parts, and said each conductor 100b also forms respectively continuously.

Said stacks of cells 200 is described.Below, choose mutually orthogonal depth direction, Width and thickness direction, utilize the orientation of these directions to describe.In this execution mode, if utilize Fig. 2 to describe, when when can correctly read the mode observation figure of label, the left and right directions of this figure is said depth direction.In addition, the above-below direction of this figure is said Width.In addition, the direction vertical with paper of this figure is said thickness direction.Like Fig. 1, Fig. 2 and shown in Figure 5, said stacks of cells 200 comprises a plurality of battery units 210 that are configured to row along said depth direction.In this execution mode, the said row of said battery unit 210 are shape linearly, but said row also can be crooked.Said each battery unit 210 has pair of electrodes terminal 211,212.Be formed with external screw thread at said each electrode terminal 211,212.And, form female nut 213 and be embedded in said each electrode terminal 211,212 respectively and carry out screw threads for fastening with said external screw thread.Said battery unit 210 is formed the shape of cuboid; Said cuboid has respectively the limit of extending along said depth direction, said Width and said thickness direction, and the end face of the side of said battery unit 210 on its said thickness direction is provided with the positive said electrode terminal 211 of column and the negative said electrode terminal 212 of column highlightedly to said thickness direction.And; A plurality of said battery units 210 are configured to: the positive said electrode terminal 211 of said each battery unit 210 is arranged on said Width with negative said electrode terminal 212; And the positive said electrode terminal 211 of adjacent said battery unit 210 is arranged on said depth direction with negative said electrode terminal 212; Thus, formed said stacks of cells 200.Therefore, through said stacks of cells 200, the row of two said electrode terminals 211,212 that on said depth direction, extend have been formed.Said first and secondary series of said electrode terminal 211,212 separate on said Width.In Fig. 2, be said first row of said electrode terminal 211,212 shown in the downside, be the said secondary series of said electrode terminal 211,212 shown in the upside.When the said row of said battery unit 210 were crooked, the said row of said electrode terminal 211,212 were also to the direction bending that intersects with said depth direction.

And like Fig. 2 and shown in Figure 3, said stacks of cells 200 also comprises the electrode terminal link 220 that is connected with one or two said electrode terminals 211,212.That is, in said each row of said electrode terminal 211,212, the said electrode terminal link 220 that an adjacent said electrode terminal 211 that aligns and a said electrode terminal 212 of bearing used through the two poles of the earth is connected with machinery and electric mode.In addition, in the end of the said row of said electrode terminal 211,212, independent said

electrode terminal

211 or 212 is connected with machinery and electric mode with electrode terminal link 220 that one pole is used.Use more in the said battery unit 210 of the end of this situation when being connected in series a plurality of said battery unit 210.At this; The electrode terminal link 220 that in said first row of said electrode terminal 211,212, has used a plurality of said the two poles of the earth to use; In the said secondary series of said electrode terminal 211,212, electrode terminal link 220 that said the two poles of the earth use and the electrode terminal link 220 that has used said one pole to use at the two ends of said depth direction have been used.The electrode terminal link 220 that electrode terminal the link 220 how said the two poles of the earth of configuration are used in the said row of said electrode terminal 211,212 and said one pole are used does not receive the restriction of this execution mode, but comes suitably to select according to the arrangement of the said battery unit 210 of said stacks of cells 200.Said the two poles of the earth with and the electrode terminal link 220 used of one pole form by zinc-plated soft copper, but also can form by for example hard copper or other metals or other conductive materials.The tabular that it is said thickness direction that the electrode terminal link 220 that use at said the two poles of the earth and one pole uses is formed its thickness of slab direction.The electrode terminal link 220 that said the two poles of the earth are used has two through holes 221, and said two through holes 221 connect the electrode terminal link 220 used at said the two poles of the earth and said adjacent said battery unit 210 on said thickness direction positive said electrode terminal 211 is inserted in said two through holes 221 respectively with negative said electrode terminal 212.The electrode terminal link 220 that said one pole is used has independent through hole 221, and said independent through hole 221 connects electrode terminal link 220 that said one pole uses on said thickness direction and the positive said electrode terminal 211 or the negative said electrode terminal 212 of said battery unit 210 is inserted in said independent through hole 221.Said electrode terminal 211,212 is inserted in said through hole 221, said nut 213 and said external screw thread from the outstanding said electrode terminal 211,212 of said through hole 221 are carried out screw threads for fastening.

The a plurality of positions along the said row of said battery unit 210 in said stacks of cells 200 are provided with electrical signal detection portion 222.Said electrical signal detection portion 222 is the determined positions that are used for detecting the signal of telecommunication of said battery unit 210.In electrical signal detection portion 222, can detect the corresponding signal of telecommunication of state with the said battery unit 210 of the periphery of said electrical signal detection portion 222.In this execution mode, said electrical signal detection portion 222 is set at said electrode terminal link 220.At this; Said electrical signal detection portion 222 is set at the electrode terminal link 220 that the electrode terminal link 220 used at said the two poles of the earth and said one pole are used; And be set at whole said electrode terminal links 220; But said electrical signal detection portion 222 also can only be set at a part of said electrode terminal link 220.Since said electrical signal detection portion 222 be set at said the two poles of the earth with and the electrode terminal link 220 used of one pole; Therefore; When said electrical signal detection portion 222 is set at the electrode terminal link of using at said the two poles of the earth 220; Two said battery units 210 that the electrode terminal link 220 that the said battery unit 210 of said periphery is with said the two poles of the earth are used is connected; When said electrical signal detection portion 222 is set at the electrode terminal link 220 that said one pole uses, the independent said battery unit 210 that the electrode terminal link 220 that the said battery unit 210 of said periphery is with said one pole is used is connected.In said electrical signal detection portion 222, can detect the corresponding signal of telecommunication of state with the said battery unit 210 of said periphery.At this, can between said electrical signal detection portion 222 and grounding parts, detect the positive said electrode terminal 211 of said battery unit 210 or the voltage of negative said electrode terminal 212.In said electrical signal detection portion 222, in addition, for example can also detect electric current.In addition, if for example in said battery unit, temperature sensor is set, and the lead-out terminal that makes said temperature sensor is connected with said electrical signal detection portion, then can detect the temperature of said battery unit with the form of the signal of telecommunication.Like this, in said electrical signal detection portion, can detect and voltage, electric current, temperature or the related signal of telecommunication conduct signal of telecommunication corresponding of other quantity of states with the state of the said battery unit of said periphery.Said electrical signal detection portion can be arranged at the miscellaneous part that is connected with said electrode terminal, also can directly be arranged at said electrode terminal.In addition, can make the said electrical signal detection portion that is arranged at said electrode terminal link, be arranged at the said electrical signal detection portion of the said miscellaneous part that is connected with said electrode terminal and the two or more said electrical signal detection portion in the said electrical signal detection portion of said electrode terminal of being arranged at mixes and exists.In addition, the said battery unit of said periphery can be independent said battery unit, also can be a plurality of said battery units.

Like Fig. 1 to Fig. 6, Fig. 9 and shown in Figure 10, said battery module M also comprises support component 300.Said support component 300 is formed by synthetic resin, but also can be formed by other insulating properties materials.As long as the position that when the parts that formed by conductive material are set at said support component 300, contacts with said parts at least has insulating properties, also can constitute said support component 300 through making up with other materials.Said support component 300 comprises the support portion 320 that support component main body 310 is connected with the outside with said support component main body 310.Be formed with accommodating chamber 311 in the inboard of said support component main body 310, said accommodating chamber 311 is at the bottom surface of said support component main body 310 313 openings and admit one or two said electrode terminals 211,212.Said bottom surface 313 is said support component main body 310 end faces on said thickness direction, also is the end face opposing end faces with the said electrode terminal 211,212 of being provided with of said battery unit 210.Said support component main body 310 has the wall 312 on every side that is arranged on said accommodating chamber 311.Promptly; In this execution mode; Two said walls 312 towards said depth direction relatively are provided with at said depth direction; And the said wall 312 towards said Width relatively is provided with at said Width, in the inboard of these walls 312, is surrounded ground formation by these walls 312 and states accommodating chamber 311 to some extent.In this execution mode, thereby said accommodating chamber 311 is connecting said support component main body 310 also opening on another end face on the said thickness direction on the said thickness direction.The tabular that it is said thickness direction that said support portion 320 is formed its thickness of slab direction.And said support portion 320 is connected with the outside of the said wall 312 of said support component main body 310, and said support portion 320 is to extend with said first connecting portion, the 120 corresponding width of said wire harness 100.In this execution mode, said support portion 320 is connected with the said wall 312 of a side of the said Width of said support component main body 310 at the place, end of its said Width, and on said depth direction, extends.The consistent size on the said long limit of the width of said first connecting portion 120 of said wire harness 100 and the said insulating coating 100a of said FFC100 ', but also can surpass said size.At said each row of said electrode terminal 211,212, a plurality of said support components 300 are configured to make said support portion 320 to be positioned at the homonymy of said Width.As a result, said each row at said electrode terminal 211,212 are formed with the row with a succession of said support portion 320 of on said depth direction, extending with said first connecting portion, the 120 corresponding width of said wire harness 100.There is the gap in said each row at said electrode terminal 211,212 between the adjacent said support portion 320, thereby but also can the interval of adjacent said support portion 320 be stopped up and eliminate said gap.And the parts that are provided with said electrical signal detection portion 222 are set at said support component 300.In this execution mode, the parts that are provided with said electrical signal detection portion 222 are said electrode terminal link 220, and therefore said electrode terminal link 220 is set at said support component 300.To a said electrode terminal link 220, be provided with a said support component 300.The electrode terminal link 220 that said the two poles of the earth are used is set at the said support component 300 that the two poles of the earth are used, and the electrode terminal link 220 that said one pole is used is set at the said support component 300 that one pole is used.It is big to link the size of electrode terminal link 220 on said depth direction that the electrode terminal link 220 said the two poles of the earth of said two electrode terminals 211,212 used uses than the said one pole that links said

electrode terminals

211 or 212; Therefore, correspondingly to be formed the size of support component 300 on said depth direction of using than said one pole big for the support component 300 used of said the two poles of the earth.And adjacent said support component 300 is linked by the binding parts that on said depth direction, extend 330.Said binding parts 330 are connected with said support component main body 310, but also can be connected with said support portion 320.Also can to each said electrode terminal link 220 said support component 300 be set respectively, but a said support component be set to a plurality of said electrode terminal links unlike above-mentioned that kind.In addition, also can be when said electrode terminal link be set, be provided with one or two electrode terminals in adjacent positive said electrode terminal 211 and the negative said electrode terminal 212 are contained in the said support component in the said accommodating chamber.Said binding parts 330 integrally are connected with adjacent said support component main body 310 respectively.When said binding parts are connected with said support portion, also only need integrally connect said binding parts and said support portion gets final product.But; Also can said binding parts 330 be set dividually with said support component main body 310 or said support portion 320, said binding parts 330 and adjacent said support component main body 310 or said support portion 320 are chimeric to link adjacent said support component 300 through making.In this case; Also can: with only be provided with said the two poles of the earth with or the scale of the electrode terminal link 220 used of one pole be provided with said the two poles of the earth with or the support component 300 used of one pole; And in series arrange the single said support component 300 of required number, and link adjacent said support component 300.Figure 27 to Figure 29 shows an one of which example; Prepare a plurality ofly to be provided with the said support component 300 of the electrode terminal link 220 that the electrode terminal link used at said the two poles of the earth 220 or one pole use and to be arranged in row; And the two ends at the said depth direction of the said support component main body 310 of adjacent said support component 300 are respectively arranged with fastening portion 314, and are provided with the fastening portion 331 that engages with said fastening portion 314 at the two ends of the said depth direction of the said binding parts 330 that are provided with dividually with said support component main body 310.At this; Said binding parts 330 are to observe the plate-shaped member that is U word sigmoid from said Width; Outer surface in the both sides of the said depth direction of said binding parts 330 is formed with to the recessed said fastening portion 331 of said depth direction, and the outer surface in the both sides of the said depth direction of said support component main body 310 is formed with to the outstanding said fastening portion 314 of said depth direction.And; When the said fastening portion 314 with the said fastening portion 331 of the said both sides of said binding parts 330 and adjacent said support component main body 310 utilized said two fastening portions 331,314 flexible and chimeric respectively, adjacent said support component 300 was through said binding parts 330 bindings.As above-mentioned, can link the said support component 300 of required number according to the number of the said battery unit 210 that should connect.In said variation; Said fastening portion 314 is set at said support component main body 310; But; Also can be: the outer surface in the both sides of the said depth direction of said support portion 320 be formed with to the outstanding said fastening portion 314 of said depth direction; When the said fastening portion 314 with the said fastening portion 331 of the said both sides of said binding parts 330 and adjacent said support portion 320 utilized said two fastening portions 331,314 flexible and chimeric respectively, adjacent said support component 300 was through said binding parts 330 bindings.In addition; In said variation; Hollowly formed the said fastening portion 331 of said binding parts 330; And formed the said fastening portion 314 of said support component main body 310 or said support portion 320 highlightedly, but also can be on the contrary, the outstanding said fastening portion 331 that forms said binding parts 330; And be recessed to form the said fastening portion 314 of said support component main body 310 or said support portion 320, can also separately carry out concavo-convex formation in the both sides of the said depth direction of said binding parts 330 and said support component main body 310 or said support portion 320.Label 322 is insertion sections; It is arranged at a side of the said depth direction of said support portion 320; The opposite side of a side with the said first connecting portion 120 said wire harness 100 of configuration said support portion 320 at adjacent said support component 300 is formed with the space; Through said insertion section 322 is inserted into this space, can seamlessly connect adjacent said support component 300, but the present invention also comprises the execution mode that such insertion section is not set.Said electrode terminal link 220 is so that the mode that its connecting portion that is connected with said electrode terminal 211,212 is configured in the said accommodating chamber 311 is arranged at said support component main body 310.The connecting portion that is connected with said electrode terminal 211,212 of said electrode terminal link 220 is for around one or two said through holes 221, no matter still can observe this position at said thickness direction from the opening of opposition side from the opening of the bottom surface side of said accommodating chamber 311.

As shown in Figure 3, said electrical signal detection portion 222 is formed by electroconductive component and is connected with said electrode terminal link 220.In this execution mode; Said electrical signal detection portion 222 is by forming with said electrode terminal link 220 identical materials and forming as a wholely with said electrode terminal link 220, but said electrical signal detection portion 222 also can be formed by other materials.And said electrical signal detection portion 222 is set to extend from said electrode terminal link 220 along said Width and cross said support portion 320 at said Width.Said electrical signal detection portion 222 is set to stretch out and the face of a side on the said thickness direction that crosses said support portion 320 on the said Width to the outside of the wall 312 of said support component main body 310.

Said wire harness main body 110 is made up of the mid portion on the bearing of trend of said insulating coating 100a of said FFC100 ', therefore can with said FFC100 ' free bend likewise.For example; Can utilize the flexibility of said insulating coating 100a and said conductor 100b to come crooked; Make when the said long limit of said insulating coating 100a and said conductor 100b is observed; Said wire harness main body 110 bendings also can come crooked through turn back said insulating coating 100a and said conductor 100b.In this execution mode, adopt the latter's method to come crooked.

To shown in Figure 10, said first connecting portion 120 extends at an end 111 of the bearing of trend of the said insulating coating 100a said row along the said battery unit 210 of said stacks of cells 200 from said wire harness main body 110 like Fig. 1.Said first connecting portion 120 can be through distolateral obtain of the said FFC100 ' of processing on the bearing of trend of said insulating coating 100a.When thereby the said row of the crooked said electrode terminal 211,212 of said row of said battery unit 210 were crooked, said first connecting portion 120 is bending also.At this moment; Can utilize the flexibility of said insulating coating 100a and said conductor 100b to come crooked; Make when the said long limit of said insulating coating 100a and said conductor 100b is observed; 120 bendings of said first connecting portion also can come crooked through turn back said insulating coating 100a and said conductor 100b.At said first connecting portion 120; At a plurality of said conductor 100b, be provided with one by one accordingly from said insulating coating 100a with the said electrical signal detection portion 222 that is provided with in a plurality of positions and be exposed to outside exposed division 121 along the said row of said battery unit 210.A plurality of said exposed divisions 121 with said electrical signal detection portion 222 one to one mode be set at a plurality of said conductor 100b of said first connecting portion 120.

Said each exposed division 121 forms through at said insulating coating 100a opening 121a being set.Said opening 121a is set to make the said conductor 100b as exposing object to be exposed to the outside and to make other conductors 100b not be exposed to the outside.As shown in Figure 3; When said first connecting portion 120 being disposed at the said support portion 320 of said support component 300; If the direction to along the said minor face of said insulating coating 100a is observed, then there are said each conductor 100b and the position that intersects corresponding to the said electrical signal detection portion 222 of this conductor 100b.The position that intersects with corresponding said electrical signal detection portion 222 that said exposed division 121 is separately positioned on said each conductor 100b.Therefore, because a plurality of said conductor 100b quilt is along the direction devices spaced apart ground configuration on the said long limit of said insulating coating 100a, so a plurality of said exposed division 121 is configured in the position of staggering along the direction on said long limit.Said opening 121a is formed quadrangle; The edge of one of which side the said long limit of said insulating coating 100a; The opposing party's edge the bearing of trend of said insulating coating 100a, but said opening 121a also can be formed circle, polygon or other shapes.Said opening 121a along the size on the said long limit of said insulating coating 100a and consistent size as the said long limit of the said conductor 100b of object, but also can be longer or shorter.But, because can not reach adjacent said conductor 100b, so maximum length is and as the size between adjacent two the said conductor 100b of the said conductor 100b of object.Said opening 121a is longer slightly than the size of said electrical signal detection portion 222 on said depth direction in the size on the bearing of trend of said insulating coating 100a, but also can be longer or shorter.When being the surface with said insulating coating 100a and said conductor 100b at a face on the direction of said minor face, when another face is the back side, all being provided with said opening 121a said surface and the said back side both sides of said insulating coating 100a.These openings 121a is formed to have from the said surface of said insulating coating 100a or the said back side to the degree of depth of said conductor 100b.Said first connecting portion 120 is by so that the mode that the face of the side on the said thickness direction of the said back side of said first connecting portion 120 and said support portion 320 contacts is disposed at said support portion 320, so said first connecting portion 120 is configured in the top of said electrical signal detection portion 222.Therefore, as long as said opening 121a is formed on towards the said back side of the said insulating coating 100a of said electrical signal detection portion 222, the said back side that just can make said exposed division 121 is connected with said electrical signal detection portion 222.But; Fetch at the electric resistance welding that the heating as this execution mode, when for example utilizing energising is welded and to make under said exposed division 121 and the situation such as said electrical signal detection portion 222 is connected; If on the said surface of being positioned at of a said insulating coating 100a side opposite said opening 121a is set also in order to ensure the conducting parts that makes resistance welder and said conductor 100b position contacting and as said execution mode with said support portion 320 and said electrical signal detection portion 222; Then welding operation becomes easily, so be preferred.Be provided with deflection division 122 at said first connecting portion 120; When being formed at gap location between the adjacent said support component 300 to when the direction on the said long limit of said insulating coating 100a and said conductor 100b is observed; Said deflection division 122 is the deflection of U word shape; But, can so not be provided with yet, but when to when the direction on said long limit is observed, being provided with as the crow flies.

To shown in Figure 8, said second connecting portion 130 extends from the other end 112 of said wire harness main body 110 on the bearing of trend of said insulating coating 100a like Fig. 2 and Fig. 4 and Fig. 6.Said second connecting portion 130 can be through the said FFC100 ' of processing another distolateral acquisition on the bearing of trend of said insulating coating 100a.Said second connecting portion 130 is connected with the said electric treatment device 400 that receives from the signal of telecommunication of said electrical signal detection portion 222.The such function of said electric treatment device 400 performances: the signal of telecommunication based on from said electrical signal detection portion 222 calculates battery capacity, and confirms the essential charge/discharge capacity of said battery unit 210, and carries out the control that discharges and recharges of said battery unit 210.But this does not explain the device that only limits to bring into play such function as the said electric treatment device of object of the present invention.Said electric treatment device of the present invention comprises the said electric treatment device of bringing into play following function: promptly, receive the signal of telecommunication from said electrical signal detection portion 222, and carry out the control of said battery unit 210 or other equipment based on the said signal of telecommunication.In addition, said electric treatment device of the present invention also comprises the said electric treatment device of bringing into play following measurement function: promptly, receive the signal of telecommunication from said electrical signal detection portion 222, and carry out the demonstration of for example corresponding with said signal of telecommunication quantity of state or write down etc.To shown in Figure 8, said second connecting portion 130 constitutes through the terminal that electric connector 131 is connected to said FFC100 ' like Fig. 2 and Fig. 4 and Fig. 6.That is, said electric connector 131 comprises shell 131a and the contact 131b that is housed inside the puncture shape (ピアシ Application グ shape) of said shell 131a.Said contact 131b comprises: the contact site 131ba of box-shaped, and it has the accommodating chamber 131bb of opening at one end in inside; And connecting portion 131bc, another of itself and said contact site 131ba is distolateral to be provided with continuously, is formed with the pawl 131bd that comes to a point towards end highlightedly at said connecting portion 131bc.At the terminal of said FFC100 ', said insulating coating 100a is cut apart between said conductor 100b, and said contact 131b is connected with said each conductor 100b respectively.And; The said connecting portion 131bc of said contact 131b and the said said insulating coating 100a that separates and the said insulating coating 100a on the said conductor 100b are adjacent to; Said pawl 131bd gets into and connects said insulating coating 100a and said conductor 100b from said insulating coating 100a in the side on the direction of said minor face; And the opposite side at said insulating coating 100a is the bending of U font ground, thereby the end of said pawl 131bd is pushed the opposite side of said insulating coating 100a.And the contact 131b that as above-mentioned, connects through puncture is housed inside said shell 131a.And said electric treatment device 400 comprises housing 410, is provided with the pairing side electric connector 420 that is connected with said electric connector 131 at said housing 410.Said pairing side electric connector 420 comprises: with the chimeric shell 421 of the shell 131a of said electric connector 131 and a plurality of contacts 422 with pin type contact site of the inside that is arranged at said shell 421, said contact 422 respectively with a plurality of input parts of said electric treatment device 400 in corresponding said input part connect.And; When said electric connector 131 is connected with said pairing side electric connector 420; Said shell 131a and said shell 421 are chimeric, thereby and said each contact 422 said electric connector 131 of said accommodating chamber 131bb of being inserted in said each contact 131b respectively be connected with machinery and electric mode with said pairing side electric connector 420.In this execution mode; The contact 131b that makes said electric connector 131 is the spill with contact site 131ba of box-shaped; And the contact 422 that makes said pairing side electric connector 420 is the convex of contact site with pin type; But also can be on the contrary, making said electric connector is convex and to make said pairing side electric connector be spill.In addition, also can make said electric connector and said pairing side electric connector electric connector for other structures.In addition, the contact 131b of said electric connector 131 is the contact of puncture shape, but also can make contact 131b be the contact of for example pressure welding type or the contact of crimp type etc.In addition, can said electric connector be set yet, but the exposed division that is exposed to the outside from said insulating coating 100a be set respectively at said each conductor 100b at said second connecting portion.In this case, thus also can said electric treatment device 400 be provided with electric connector, said electric connector setting can elastic dilatation fork-shaped contact, utilize said second connecting portion of said contact clamping to contact with the said said conductor 100b that exposes.In addition, can said electric connector be set yet, but a plurality of said exposed divisions 121 are connected with a plurality of input parts of said electric treatment device 400 respectively at said electric treatment device 400.Connection under this situation is carried out through for example soldering, soldering, welding or additive method.Be provided with wire harness 430 at said electric treatment device 400, from the signal of said wire harness 430 output relevant controlling.When said electric treatment device has measurement function etc., through the aforesaid wire harness output signal relevant etc. with the mensuration result.When said electric treatment device self has the function that shows or write down, aforesaid wire harness is not set sometimes.

Said wire harness 100 is installed in said stacks of cells 200.The said electrical signal detection portion 222 that said first wire harness 100 and the said first row ground corresponding to said electrode terminal 211,212 are provided with is connected, and said second wire harness 100 is connected with said electrical signal detection portion 222 corresponding to the said secondary series ground setting of said electrode terminal 211,212.That is, said first connecting portion 120 is by so that the mode that the face of the side on the said thickness direction of the said back side of said first connecting portion 120 and said support portion 320 contacts is disposed at said support portion 320.In this case; Also can be in the several position on the said at least depth direction, make the adhesive tape that is formed with adhesive linkage on the two sides between the face of the side on the said thickness direction of the said back side of said first connecting portion 120 and said support portion 320; At this moment, can said first connecting portion 120 stably be mounted to said support portion 320.And the said exposed division 121 of said first connecting portion 120 connects with corresponding said electrical signal detection portion 222 respectively.That is, the said back side of said exposed division 121 is connected with said electrical signal detection portion 222 respectively.Carry out being connected of said exposed division 121 and said electrical signal detection portion 222 through welding.The resistance welded that the said heating that is welded as when utilizing energising is welded.In this case; Said surface at said insulating coating 100a also is provided with said exposed division 121 through said opening 121a is set; Therefore the conducting parts of resistance welder is contacted with the said exposed division 121 on said surface, easy thereby welding operation becomes.At this moment, the electric current of resistance welded flows through said conducting parts, said exposed division 121 and the said electrical signal detection portion 222 of said resistance welder.But welding method is not limited to said resistance welded.In addition, said exposed division 121 and said electrical signal detection portion 222 is connected also and can carries out through for example soldering, soldering, screw threads for fastening or additive method.When constituting said electrical signal detection portion through said electrode terminal; Can carry out being connected of said exposed division and said electrical signal detection portion through welding, also can carry out said connection through for example other welding methods, soldering, soldering, screw threads for fastening or additive method.In addition, the said conductor 100b of said second connecting portion 130 connects with the input part of corresponding said electric treatment device 400 respectively.Said connection realizes through said electric connector 131 is connected with said pairing side electric connector 420.

The face of the side on the said thickness direction of said support portion 320 in the end of the central part that departs from said Width, is provided with the projection 321 that on said thickness direction, erects.On the other hand, be provided with the hole 123 that can embed said projection 321 in the end along the said long limit of said insulating coating 100a of said first connecting portion 120.Said projection 321 embeds in the corresponding said hole 123 when said first connecting portion 120 is positioned the normal position of said support portion 320, and can correctly carry out the location of said first connecting portion 120 in said support portion 320 this moment.And; Thereby its distortion is increased slightly if heat the end of said projection 321 after in said projection 321 being embedded in corresponding said hole 123; Then said projection 321 becomes and can not come off from said hole 123, thereby the adhesion of said first connecting portion 120 and said support portion 320 increases.Can said projection 321 and said hole 123 be arranged on an end, also can said projection 321 and said hole 123 be arranged on the end of both sides.In addition, also said projection 321 and said hole 123 can be set.

Therefore; In said first and second wire harness 100 of said first execution mode; Be connected with said each electrical signal detection portion 222 respectively and said second connecting portion 130 is connected with said electric treatment device 400 through said each exposed division 121 that makes said first connecting portion 120, just formed battery module M.

In this case, cover the common electric wire that heart yearn forms with insulating coating and compare as the situation of said wire harness with using, said each wire harness 100 can not occupy big space, therefore can make densification around said each wire harness of said battery module M.In addition; Have and a end from the general said FFC100 ' of the corresponding length of said stacks of cells 200 to the length of said electric treatment device 400; From said exposed division 121 so simple processing that said insulating coating 100a is exposed to the outside said first connecting portion 120 is set through being implemented in a plurality of said conductor 100b settings; And the other end at said FFC100 '; Be exposed to outside said exposed division from said insulating coating 100a and wait said second connecting portion 130 is set through for example connecting said electric connector 131 or being provided with, formed said each wire harness 100 of said battery module M thus at a plurality of said conductor 100b.Therefore; Even in the configuration of the said battery unit 210 of having set for example said stacks of cells 200, or during different a plurality of said battery module M such as the relative position of said stacks of cells 200 and said electric treatment device 400, also can reduce the manufacturing cost of said each battery module M.

The said wire harness of said battery module of the present invention comprises such execution mode: at said electrode terminal said electrical signal detection portion is set, and said electrical signal detection portion is connected with said first connecting portion.In so various execution modes; Under the situation of said each wire harness 100 of the said battery module M of said first execution mode, said electrical signal detection portion 222 is arranged at said the two poles of the earth of being connected with one or two said electrode terminals 211,212 of said stacks of cells 200 with and the electrode terminal link 220 used of one pole.Thus; Said each electrode terminal link 220 is being formed for example tabular or forming than said electrode terminal 211,212 under the situation such as big; Than making said first connecting portion and the situation that the said electrical signal detection portion that is arranged at said electrode terminal is connected, can improve the operability of attended operation.

The said exposed division of said first connecting portion of the said wire harness of said battery module of the present invention only need with said row along said battery unit be arranged at said stacks of cells a plurality of positions said electrical signal detection portion accordingly, be arranged at a plurality of said conductors one by one and get final product to be exposed to outside mode from said insulating coating, its structure does not receive the qualification of the said exposed division 121 that in the execution mode of this column, is illustrated especially.In so various execution modes; Under the situation of said each wire harness 100 of the said battery module M of said first execution mode, said each exposed division 121 of said first connecting portion 120 forms through at said insulating coating 100a said opening 121a being set.Thus, only need to form said opening 121a, said exposed division 121 can be set through for example punching.As a result, compare with operation that for example said conductor 100b is stripped out from said insulating coating 100a etc., the program that the operation of said first connecting portion 120 is set at general said FFC100 ' becomes simple.

The said exposed division of said first connecting portion of said battery module of the present invention also can be connected with said electrode terminal.In so various execution modes; Under the situation of the battery module M of said first execution mode; Said battery unit 210 is formed cuboid; Be provided with a pair of said electrode terminal 211,212 highlightedly at an one of which end face, in addition, said battery module M also comprises support component 300; Said support component 300 has said support component main body 310 and said support portion 320; Wherein, said support component main body 310 has with the said wall 312 of the mode that forms said accommodating chamber 311 in the inboard around being arranged on, and said accommodating chamber 311 is at said bottom surface 313 openings and admit one or two said electrode terminals 211,212; The outside of said support portion 320 and the said wall 312 of said support component main body 310 connect and with the corresponding width extension of said first connecting portion 120 of said each wire harness 100, be set at said support component 300 as the said electrode terminal link 220 of the parts that are provided with said electrical signal detection portion 222.Thus; If the said end face of said support component 300 and said battery unit 210 more than one or two is adjacent to the mode of in each accommodating chamber 311 of said support component 300, admitting one or two said electrode terminals 211,212 of said battery unit 210 respectively; Thereby and said first connecting portion 120 of said wire harness 100 is disposed at said support portion 320 said each exposed division 121 is connected with said each electrical signal detection portion 222 respectively, then said wire harness 100 is connected with said stacks of cells 200.As a result, can improve the operability of the attended operation of said each wire harness 100 and said stacks of cells 200.

The said electrode terminal link of said battery module of the present invention only need be that the parts that are connected with one or two said electrode terminals of said stacks of cells get final product, and its structure does not receive the qualification of said each the electrode terminal link 220 that in the execution mode of this column, is illustrated especially.In so various execution modes, under the situation of the battery module M of said first execution mode, be provided with said electrical signal detection portion 222 with the mode of on said Width, crossing said support portion 320.Thus, because can carry out the attended operation of said exposed division 121 and said electrical signal detection portion 222 of said first connecting portion 120 of said wire harness 100, so operability is improved according to method of attachment in the outside of said support component main body 310.In this execution mode, adopt welding as method of attachment, therefore can operability be improved through said electrical signal detection portion 222 is set with the mode of on said Width, crossing said support portion 320.

The method of attachment of the said exposed division of said battery module of the present invention and said electrical signal detection portion is not defined, and can carry out said connection through for example soldering, soldering, screw threads for fastening or additive method yet.In so various execution modes, under the situation of the battery module M of said first execution mode, carry out being connected of said exposed division 121 and said electrical signal detection portion 222 through welding.Thus, compare, can improve bonding strength with situation that for example adopts soldering etc.In addition; In said execution mode, used resistance welded; But because all be provided with said opening 121a, therefore the conducting parts of resistance welder is contacted with the said exposed division 121 on said surface on the said back side and the said surface of said insulating coating 100a, easy thereby welding operation becomes.

Below, describe to other execution modes of said battery module of the present invention and said wire harness.In the said battery module M and said each wire harness 100 of these other execution modes; Intactly quote said first execution mode and the said battery module M of variation and said various execution modes and the structure of said each wire harness 100 that are illustrated hereinbefore, and to appending explanation with the structure various structure of said first execution mode and variation and said various execution modes.

Figure 16 to Figure 18 shows second execution mode of said battery module of the present invention and said wire harness.Identical with the said battery module M of said first execution mode, the said battery module M of said second execution mode comprises said wire harness 100, said stacks of cells 200 and said electric treatment device 400.In the said battery module M of said first execution mode, the whole said electrical signal detection portion 222 of a plurality of said conductor 100b of said first connecting portion 120 of said wire harness 100 and said stacks of cells 200 is connected.Relative therewith, in the said battery module M of said second execution mode, the part in a plurality of said electrical signal detection portion 222 of a plurality of said conductor 100b of said first connecting portion 120 of said wire harness 100 and said stacks of cells 200 is connected.The said battery module M of said second execution mode comprises many said wire harness 100; The whole said electrical signal detection portion 222 of said stacks of cells 200 is divided into a plurality of groups, and a plurality of said electrical signal detection portion 222 in a plurality of said conductor 100b of said first connecting portion 120 of said wire harness 100 and corresponding said electrical signal detection portion 222 said group connects.

The said wire harness 100 of said second execution mode can be through obtaining processing with said FFC100 ' that the said FFC100 ' that in said first execution mode, is illustrated has an identical structure.The said battery module M of said first execution mode comprises the first and second said wire harness 100, but the said battery module M of said second execution mode comprises the group of the first and second said wire harness 100.In Figure 17, when observing said stacks of cells 200 from said electric treatment device 400, what be positioned at the right side is the group of the first said wire harness 100, and what be positioned at the left side is the group of the second said wire harness 100.The group of each said wire harness 100 comprises many said wire harness 100, shown in Figure 18 is being said each wire harness 100.Said each wire harness 100 comprises: said wire harness main body 110, and its mid portion on the bearing of trend of said insulating coating 100a by said FFC100 ' constitutes; Said first connecting portion 120, its end 111 on the bearing of trend of said insulating coating 100a from said wire harness main body 110 extends; And said second connecting portion 130, its other end on the bearing of trend of said insulating coating 100a 112 from said wire harness main body 110 extends.Said wire harness main body 110, said first connecting portion 120 and said second connecting portion 130 form continuously, and said insulating coating 100a forms respectively continuously between these three parts, and said each conductor 100b also forms respectively continuously.

Said stacks of cells 200 has the structure identical with the said stacks of cells of said first execution mode 200; It comprises a plurality of said battery units 210; A plurality of said battery units 210 have a pair of said electrode terminal 211,212 respectively, and a plurality of said battery unit 210 is configured to row on said depth direction.That is, said battery unit 210 is formed cuboid, and a pair of said electrode terminal 211,212 is arranged at an end face of said battery unit 210 highlightedly.And; A plurality of said battery units 210 are configured to: the positive said electrode terminal 211 of said each battery unit 210 is arranged on said Width with negative said electrode terminal 212; And the positive said electrode terminal 211 of adjacent said battery unit 210 is arranged on said depth direction with negative said electrode terminal 212; Thus, formed said stacks of cells 200.Therefore, through said stacks of cells 200, the said row of two said electrode terminals 211,212 that on said depth direction, extend have been formed.Said first and secondary series of said electrode terminal 211,212 separate on said Width.

Said stacks of cells 200 also comprises the said electrode terminal link 220 that is connected with one or two said electrode terminals 211,212.Said electrode terminal link 220 has identical structure with the said electrode terminal link 220 of said first execution mode.That is, in said each row of said electrode terminal 211,212, the said electrode terminal link 220 that an adjacent said electrode terminal 211 that aligns and a said electrode terminal 212 of bearing used through the two poles of the earth is connected with machinery and electric mode.In addition, in the end of the said row of said electrode terminal 211,212, independent said electrode terminal 211 or 212 is connected with machinery and electric mode with electrode terminal link 220 that said one pole is used.The electrode terminal link 220 that in said first row of said electrode terminal 211,212, has used a plurality of said the two poles of the earth to use; In the said secondary series of said electrode terminal 211,212, electrode terminal link 220 that said the two poles of the earth use and the electrode terminal link 220 that has used said one pole to use at the two ends of said depth direction have been used.The tabular that it is said thickness direction that the electrode terminal link 220 that use at said the two poles of the earth and one pole uses is formed its thickness of slab direction.The electrode terminal link 220 that said the two poles of the earth are used has two said through holes 221, and said two said through holes 221 connect the electrode terminal link 220 used at said the two poles of the earth and said adjacent said battery unit 210 on said thickness direction positive said electrode terminal 211 is inserted in two said through holes 221 respectively with negative said electrode terminal 212.The electrode terminal link 220 that said one pole is used has independent said through hole 221, and said independent said through hole 221 connects the electrode terminal link 220 that said one pole uses and the positive said electrode terminal 211 of said battery unit 210 or the said electrode terminal of bearing 212 and is inserted in said independent through hole 221 on said thickness direction.

As shown in Figure 3, the said electrical signal detection portion 222 of said electrical signal detection portion 222 and said first execution mode has identical structure.Said electrical signal detection portion 222 is set at a plurality of positions along the said row of said battery unit 210 of said stacks of cells 200.Said electrical signal detection portion 222 is set at said electrode terminal link 220.At this; Said electrical signal detection portion 222 is set at the electrode terminal link 220 that the electrode terminal link 220 used at said the two poles of the earth and said one pole are used; And be set at all said electrode terminal links 220; But said electrical signal detection portion 222 also can only be set at a part of said electrode terminal link 220.

Said support component 300 has identical structure with the said support component 300 of said first execution mode.Said support component 300 comprises the said support portion 320 that said support component main body 310 is connected with the outside with said support component main body 310.Said support component 300 has said support component main body 310 and support portion 320; Wherein, Said support component main body 310 has with the said wall 312 of the mode that forms said accommodating chamber 311 in the inboard around being arranged on; Said accommodating chamber 311 is 313 openings and admit one or two said electrode terminals 211,212 in the bottom surface, said support portion 320 connect with the outside of the said wall 312 of said support component main body 310 and with the corresponding width extension of said first connecting portion 120 of said wire harness 100.At said each row of said electrode terminal 211,212, a plurality of said support components 300 are configured to make said support portion 320 to be positioned at the homonymy of said Width.As a result, said each row at said electrode terminal 211,212 are formed with the said row with a succession of said support portion 320 of on said depth direction, extending with said first connecting portion, the 120 corresponding width of said wire harness 100.And the said electrode terminal link 220 that is provided with said electrical signal detection portion 222 is set at said support component 300.To a said electrode terminal link 220, be provided with a said support component 300.The electrode terminal link 220 that said the two poles of the earth are used is set at the support component of using at said the two poles of the earth 300, and the electrode terminal link 220 that said one pole is used is set at the support component of using at said the two poles of the earth 300.And adjacent said support component 300 is linked by the binding parts that on said depth direction, extend 330.Said electrode terminal link 220 is so that the mode that its connecting portion that is connected with said electrode terminal 211,212 is configured in the said accommodating chamber 311 is arranged at said support component main body 310.

As shown in Figure 3, identical during with said first execution mode, said electrical signal detection portion 222 is formed by electroconductive component and is connected with said electrode terminal link 220.And said electrical signal detection portion 222 is set to extend along said Width from said electrode terminal link 220, and on said Width, crosses said support portion 320.Said electrical signal detection portion 222 is set to stretch out and the face of a side on the said thickness direction that crosses said support portion 320 on the said Width to the outside of the wall 312 of said support component main body 310.

Identical during with said first execution mode, said first connecting portion 120 can be through distolateral obtain of the said FFC100 ' of processing on the bearing of trend of said insulating coating 100a.At said first connecting portion 120; At a plurality of said conductor 100b, be provided with one by one accordingly from said insulating coating 100a with the said electrical signal detection portion 222 that is provided with in a plurality of positions and be exposed to outside said exposed division 121 along the said row of said battery unit 210.A plurality of said exposed divisions 121 with said electrical signal detection portion 222 one to one mode be set at a plurality of said conductor 100b of said first connecting portion 120.

Identical during with said first execution mode, said each exposed division 121 forms through said opening 121a is set on said insulating coating 100a.When said first connecting portion 120 is configured in the said support portion 320 of said support component 300; Direction to along the said minor face of said insulating coating 100a is observed, and the position that intersects in said each conductor 100b and corresponding with it said electrical signal detection portion 222 is respectively arranged with said exposed division 121.Said surface and said back side both sides at said insulating coating 100a are provided with said opening 121a.

Identical during with said first execution mode, said second connecting portion 130 can be through the said FFC100 ' of processing another distolateral acquisition on the bearing of trend of said insulating coating 100a.Said second connecting portion 130 is connected with the said electric treatment device 400 that receives from the signal of telecommunication of said electrical signal detection portion 222.Said electric treatment device 400 has the structure identical with the said electric treatment device of said first execution mode 400.Identical during with said first execution mode, said second connecting portion 130 constitutes through said electric connector 131 is connected with the terminal of said FFC100 '.That is, said electric connector 131 comprises said shell 131a and the said contact 131b that is housed inside the puncture shape of said shell 131a.Identical during with said first execution mode, said electric treatment device 400 comprises said housing 410 and the said pairing side electric connector 420 chimeric with said electric connector 131.Be provided with said wire harness 430 at said electric treatment device 400, from the signal of said wire harness 430 output relevant controlling.

Identical during with said first execution mode, said wire harness 100 is installed in said stacks of cells 200.The said electrical signal detection portion 222 that the group of said first wire harness 100 and the said first row ground corresponding to said electrode terminal 211,212 are provided with is connected, and the group of said second wire harness 100 is connected with said electrical signal detection portion 222 corresponding to the said secondary series ground setting of said electrode terminal 211,212.That is, said first connecting portion 120 is by so that the mode that the face of the side on the said thickness direction of the said back side of said first connecting portion 120 and said support portion 320 contacts is disposed at said support portion 320.And the said exposed division 121 of said first connecting portion 120 connects with corresponding said electrical signal detection portion 222 respectively.That is, the said back side of said exposed division 121 is connected with said electrical signal detection portion 222 respectively.Carry out being connected of said exposed division 121 and said electrical signal detection portion 222 through welding.In addition, the said conductor 100b of said second connecting portion 130 connects with the input part of corresponding said electric treatment device 400 respectively.Said connection realizes through said electric connector 131 is connected with said pairing side electric connector 420.

And shown in figure 18, in the said battery module M of said second execution mode, corresponding with the said row of said first electrode terminal 211,212 a plurality of said electrical signal detection portion 222 quilts are divided into a plurality of said group along said depth direction.And, with said group of each said electrical signal detection portion 222 accordingly from said group of said first wire harness 100 a root ground distribute said wire harness 100 to be connected.The length along the bearing of trend of said insulating coating 100a of the said wire harness main body 110 of said each wire harness 100 is different.Wherein, said group of the said electrical signal detection portion 222 of the said wire harness 100 that said wire harness main body 110 is the longest (below, be called nose bundle 100) and an end that is arranged in said depth direction a plurality of said electrical signal detection portion 222 is connected.In addition, said group of the said electrical signal detection portion 222 of the shortest said wire harness 100 of said wire harness main body 110 (below, be called line of shortest length bundle 100) and the other end that is arranged in said depth direction a plurality of said electrical signal detection portion 222 is connected.In addition; The length of said wire harness main body 110 is connected in the said wire harness 100 between the said wire harness main body 110 of the said wire harness main body 110 of said nose bundle 100 and said line of shortest length bundle 100 (below, wire harness 100 in the middle of being called) and the said electrical signal detection portion 222 midway that is arranged in said depth direction said group a plurality of said electrical signal detection portion 222.When a plurality of said electrical signal detection portion 222 by when said depth direction is divided into two said group, do not exist said in the middle of wire harness 100.In addition; When a plurality of said electrical signal detection portion 222 by when said depth direction is divided into said group more than four; Use plural said middle wire harness 100; In the middle of these in wire harness 100, the length that said wire harness main body 110 can occur is near the middle wire harness 100 of the length of the said wire harness main body 110 of the approaching said line of shortest length bundle 100 of length of middle the wire harness 100 of the length of the said wire harness main body 110 of said nose bundle 100 and said wire harness main body 110.In said group of said first wire harness 100, said each wire harness 100 is disposed at said support portion 320 overlappingly on said thickness direction.That is, said line of shortest length bundle 100 is configured in said support portion 320, and said middle wire harness 100 is configured in the top of said line of shortest length bundle 100, and said nose bundle 100 is configured in the top of said middle wire harness 100.When not having said centre wire harness 100, said nose bundle 100 is configured in the top of said line of shortest length bundle 100.In addition, when having plural said centre wire harness 100, wire harness 100 were overlapping between said line of shortest length bundle 100 and said nose bundle 100 in the middle of these were said.Also can be in the several position on the said at least depth direction, make the adhesive tape that is formed with adhesive linkage on the two sides between overlapping said wire harness 100, at this moment, can a plurality of said first connecting portions 120 stably be mounted to said support portion 320.Identical therewith, corresponding with the said row of said second electrode terminal 211,212 a plurality of said electrical signal detection portion 222 also is divided into a plurality of said group along said depth direction.And, with said group of each said electrical signal detection portion 222 accordingly from said group of said second wire harness 100 a root ground distribute said wire harness 100 to be connected.No matter be said first wire harness 100 or said second wire harness 100, their said first connecting portions 120 separately all are connected with said electric treatment device 400.

The said battery module M of said first execution mode and said each wire harness 100 included said deflection division 122, said hole 123, said nut 213, said projection 321 and said binding parts 330 etc. also likewise are contained in said battery module M and said each wire harness 100 of said second execution mode.

Said battery module M and said each wire harness 100 according to said second execution mode; Can obtain effect and the effect identical with the said battery module M of said first execution mode and said each wire harness 100; And,, compare as the situation of said wire harness with using the common electric wire that forms with insulating coating covering heart yearn through overlapping said wire harness 100; Therefore overlapping said wire harness 100 can not occupy big space, can make densification around said each wire harness of said battery module M.

Figure 19 to Figure 22 shows the 3rd execution mode of said battery module of the present invention and said wire harness.Identical ground with the said battery module M of said first execution mode, the said battery module M of said the 3rd execution mode comprises said wire harness 100, said stacks of cells 200 and said electric treatment device 400.In the said battery module M of said first execution mode, said each exposed division 121 of said first connecting portion 120 forms through at said insulating coating 100a said opening 121a being set.Relative therewith; In the said battery module M of said the 3rd execution mode; Through between said conductor 100b, cutting apart said insulating coating 100a and the terminal from said insulating coating 100a, the terminal of said conductor 100b being stripped out, form said each exposed division 121 of said first connecting portion 120.

The said wire harness 100 of said the 3rd execution mode can obtain with the said FFC100 ' that the said FFC100 ' that in said first execution mode, is illustrated has identical structure through processing.

The said battery module M of said the 3rd execution mode comprises that said first and second amounts to two wire harness 100.Shown in Figure 19 and Figure 20 is said first wire harness 100, and Figure 21 shows said first and second wire harness 100.Said each wire harness 100 comprises: said wire harness main body 110: its mid portion on the bearing of trend of said insulating coating 100a by said FFC100 ' constitutes; Said first connecting portion 120, its end 111 on the bearing of trend of said insulating coating 100a from said wire harness main body 110 extends; And said second connecting portion 130, its other end on the bearing of trend of said insulating coating 100a 112 from said wire harness main body 110 extends.Said wire harness main body 110, said first connecting portion 120 and said second connecting portion 130 form continuously, and said insulating coating 100a forms respectively continuously between these three parts, and said each conductor 100b also forms respectively continuously.

Shown in figure 22, the said electrical signal detection portion 222 of said electrical signal detection portion 222 and said first execution mode has identical structure.Said electrical signal detection portion 222 is set at a plurality of positions along the said row of said battery unit 210 of said stacks of cells 200.Said electrical signal detection portion 222 is set at said electrode terminal link 220.At this; Said electrical signal detection portion 222 is set at the electrode terminal link 220 that the electrode terminal link 220 used at said the two poles of the earth and said one pole are used; And be set at all said electrode terminal links 220; But said electrical signal detection portion 222 also can only be set at a part of said electrode terminal link 220.

Shown in figure 22, identical during with said first execution mode, said electrical signal detection portion 222 is formed by electroconductive component and is connected with said electrode terminal link 220.Said electrical signal detection portion 222 is set at said Width one distolateral of said electrode terminal link 220, and be set at said accommodating chamber 311 wall 312 near.Be positioned at said electrical signal detection portion 222 around said wall 312 on so that said accommodating chamber 311 is provided with recess with the mode that said support portion 320 is communicated with, the said insulating coating 100a that is partitioned into from the quilt of then stating perhaps said conductor 100b can pass through said wall 312.Also can be as said first execution mode said electrical signal detection portion be arranged to extend from said electrode terminal link along said Width and cross said support portion at said Width.In addition, also can utilize the part of said electrode terminal link to form said electrical signal detection portion.In the 3rd execution mode; Identical during with said first execution mode; The said electrical signal detection portion 222 that said exposed division 121 is connected to be connected with conductivity with said electrode terminal link 220, thus can utilize said electric treatment device to detect the said voltage of said electrical signal detection portion 222 via said conductor 100b.Figure 23 shows the variation of said electrical signal detection portion 222.In said variation, utilize the temperature sensor be attached at said electrode terminal link 220 to constitute said electrical signal detection portion 222, and said exposed division 121 is connected with this electrode terminal link 220.Thus, can utilize said electric treatment device to detect the said temperature of said electrical signal detection portion 222 with the form of electricity via said conductor 100b.In this case; Except following situation; The structure of the structure of remaining said battery module M and said wire harness 100 and the said battery module M of said the 3rd execution mode and said wire harness 100 is identical: promptly; Said electrical signal detection portion 222 is set at said electrode terminal link 220 as said temperature sensor; Lead-out terminal as the said temperature sensor of said electrode terminal link 220 is connected with said exposed division 121, and said electric treatment device 400 is constituted as the output signal of handling said temperature sensor.

In said first execution mode, said each exposed division 121 forms through at said insulating coating 100a said opening 121a being set.Relative therewith; In said the 3rd execution mode; Through between said conductor 100b, cutting apart said insulating coating 100a and the terminal from said insulating coating 100a, the terminal of said conductor 100b being stripped out, form said each exposed division 121 of said first connecting portion 120.The terminal of said conductor 100b and said insulating coating 100a is through turning back said insulating coating 100a and said conductor 100b and crooked to said Width.Also can replace said method, utilize the flexibility of said insulating coating 100a and said conductor 100b to make the terminal of said conductor 100b and said insulating coating 100a crooked to said Width.When said first connecting portion 120 is configured in the said support portion 320 of said support component 300; Direction to along the said minor face of said insulating coating 100a is observed, and is respectively arranged with said exposed division 121 in the position of existing of said each the conductor 100b said electrical signal detection portion 222 corresponding with it.

Identical during with said first execution mode, said wire harness 100 is installed in said stacks of cells 200.The said electrical signal detection portion 222 that said first wire harness 100 and the said first row ground corresponding to said electrode terminal 211,212 are provided with is connected, and said second wire harness 100 is connected with said electrical signal detection portion 222 corresponding to the said secondary series ground setting of said electrode terminal 211,212.That is, said first connecting portion 120 is by so that the mode that the face of the side on the said thickness direction of the said back side of said first connecting portion 120 and said support portion 320 contacts is disposed at said support portion 320.And the said exposed division 121 of said first connecting portion 120 connects with corresponding said electrical signal detection portion 222 respectively.That is, said exposed division 121 is connected with said electrical signal detection portion 222 respectively.Carry out being connected of said exposed division 121 and said electrical signal detection portion 222 through welding.In addition, the said conductor 100b of said second connecting portion 130 connects with the input part of corresponding said electric treatment device 400 respectively.Said connection realizes through said electric connector 131 is connected with said pairing side electric connector 420.

The said battery module M of said first execution mode and said each wire harness 100 included said deflection division 122, said hole 123, said nut 213, said projection 321 and said binding parts 330 etc. also likewise are contained in said battery module M and said each wire harness 100 of said the 3rd execution mode.

According to said battery module M and said each wire harness 100 of said the 3rd execution mode, can obtain effect and the effect identical with the said battery module M of said first execution mode and said each wire harness 100.In addition; Through between said conductor 100b, cutting apart said insulating coating 100a and the terminal from said insulating coating 100a, the terminal of said conductor 100b being stripped out; Form said each exposed division 121 of said first connecting portion 120; Therefore can said exposed division 121 be set through general processing, so can utilize the processing unit (plant) of general said FFC100 ' to general said FFC100 '.

Figure 24 to Figure 26 shows the 4th execution mode of said battery module of the present invention and said wire harness.Identical with the said battery module M of said first execution mode, the said battery module M of said the 4th execution mode comprises said wire harness 100, said stacks of cells 200 and said electric treatment device 400.In the said battery module M of said first execution mode, the whole said electrical signal detection portion 222 of a plurality of said conductor 100b of said first connecting portion 120 of said wire harness 100 and said stacks of cells 200 is connected.Relative therewith, in the said battery module M of said the 4th execution mode, the part in a plurality of said electrical signal detection portion 222 of a plurality of said conductor 100b of said first connecting portion 120 of said wire harness 100 and said stacks of cells 200 is connected.The said battery module M of said the 4th execution mode comprises many said wire harness 100; The whole said electrical signal detection portion 222 of said stacks of cells 200 is divided into a plurality of groups, and a plurality of said electrical signal detection portion 222 in a plurality of said conductor 100b of said first connecting portion 120 of said wire harness 100 and corresponding said electrical signal detection portion 222 said group connects.

The said wire harness 100 of said the 4th execution mode can be through obtaining processing with said FFC100 ' that the said FFC100 ' that in said first execution mode, is illustrated has an identical structure.The said battery module M of said first execution mode comprises the first and second said wire harness 100, but the said battery module M of said the 4th execution mode comprises the group of the first and second said wire harness 100.In Figure 25, when observing said stacks of cells 200 from said electric treatment device 400, what be positioned at the right side is the group of the first said wire harness 100, and what be positioned at the left side is the group of the second said wire harness 100.The group of each said wire harness 100 comprises many said wire harness 100, shown in Figure 26 is being said each wire harness 100.Said each wire harness 100 comprises: said wire harness main body 110, and its mid portion on the bearing of trend of said insulating coating 100a by said FFC100 ' constitutes; Said first connecting portion 120, its end 111 on the bearing of trend of said insulating coating 100a from said wire harness main body 110 extends; And said second connecting portion 130, its other end on the bearing of trend of said insulating coating 100a 112 from said wire harness main body 110 extends.Said wire harness main body 110, said first connecting portion 120 and said second connecting portion 130 form continuously, and said insulating coating 100a forms respectively continuously between these three parts, and said each conductor 100b also forms respectively continuously.

Shown in figure 22, identical during with said first execution mode, said electrical signal detection portion 222 is formed by electroconductive component and is connected with said electrode terminal link 220.Said electrical signal detection portion 222 is set at said Width one distolateral of said electrode terminal link 220, and be set at said accommodating chamber 311 wall 312 near.Be positioned at said electrical signal detection portion 222 around said wall 312 on so that said accommodating chamber 311 is provided with recess with the mode that said support portion 320 is communicated with, the said insulating coating 100a that is partitioned into from the quilt of then stating perhaps said conductor 100b can pass through said wall 312.Also can be as said first execution mode said electrical signal detection portion be arranged to extend from said electrode terminal link along said Width and cross said support portion at said Width.In addition, also can utilize the part of said electrode terminal link to form said electrical signal detection portion.In the 4th execution mode; Identical during with said first execution mode; The said electrical signal detection portion 222 that said exposed division 121 is connected to be connected with conductivity with said electrode terminal link 220, thus can utilize said electric treatment device to detect the said voltage of said electrical signal detection portion 222 via said conductor 100b.Shown in figure 23, also can utilize the temperature sensor that is attached at said electrode terminal link 220 to constitute said electrical signal detection portion 222, and said exposed division 121 is connected with this electrode terminal link 220.

In said first execution mode, said each exposed division 121 forms through at said insulating coating 100a said opening 121a being set.Relative therewith; In said the 4th execution mode; Through between said conductor 100b, cutting apart said insulating coating 100a and the terminal from said insulating coating 100a, the terminal of said conductor 100b being stripped out, form said each exposed division 121 of said first connecting portion 120.The terminal of said conductor 100b and said insulating coating 100a is through turning back said insulating coating 100a and said conductor 100b and crooked to said Width.Also can replace said method, utilize the flexibility of said insulating coating 100a and said conductor 100b to make the terminal of said conductor 100b and said insulating coating 100a crooked to said Width.When said first connecting portion 120 is configured in the said support portion 320 of said support component 300; Direction to along the said minor face of said insulating coating 100a is observed, and is respectively arranged with said exposed division 121 in the position of existing of said each the conductor 100b said electrical signal detection portion 222 corresponding with it.

And shown in figure 26, in the said battery module M of said the 4th execution mode, corresponding with the said row of said first electrode terminal 211,212 a plurality of said electrical signal detection portion 222 quilts are divided into a plurality of said group along said depth direction.And, with said group of each said electrical signal detection portion 222 accordingly from said group of said first wire harness 100 a root ground distribute said wire harness 100 to be connected.The length along the bearing of trend of said insulating coating 100a of the said wire harness main body 110 of said each wire harness 100 is different.Wherein, said group of the said electrical signal detection portion 222 of the said wire harness 100 that said wire harness main body 110 is the longest (below, be called nose bundle 100) and an end that is arranged in said depth direction a plurality of said electrical signal detection portion 222 is connected.In addition, said group of the said electrical signal detection portion 222 of the shortest said wire harness 100 of said wire harness main body 110 (below, be called line of shortest length bundle 100) and the other end that is arranged in said depth direction a plurality of said electrical signal detection portion 222 is connected.In addition; The length of said wire harness main body 110 is connected in the said wire harness 100 between the said wire harness main body 110 of the said wire harness main body 110 of said nose bundle 100 and said line of shortest length bundle 100 (below, wire harness 100 in the middle of being called) and the said electrical signal detection portion 222 midway that is arranged in said depth direction said group a plurality of said electrical signal detection portion 222.When a plurality of said electrical signal detection portion 222 by when said depth direction is divided into two said group, do not exist said in the middle of wire harness 100.In addition; When a plurality of said electrical signal detection portion 222 by when said depth direction is divided into said group more than four; Use plural said middle wire harness 100; In the middle of these in wire harness 100, the length that said wire harness main body 110 can occur is near the middle wire harness 100 of the length of the said wire harness main body 110 of the approaching said line of shortest length bundle 100 of length of middle the wire harness 100 of the length of the said wire harness main body 110 of said nose bundle 100 and said wire harness main body 110.In said group of said first wire harness 100, said each wire harness 100 is disposed at said support portion 320 overlappingly on said thickness direction.That is, said nose bundle 100 is configured in said support portion 320, and said middle wire harness 100 is configured in the top of said nose bundle 100, and said line of shortest length bundle 100 is configured in the top of said middle wire harness 100.When not having said centre wire harness 100, said line of shortest length bundle 100 is configured in the top of said nose bundle 100.In addition, when having plural said centre wire harness 100, wire harness 100 were overlapping between said nose bundle 100 and said line of shortest length bundle 100 in the middle of these were said.But, in this execution mode, can by the overlapping said nose bundle of any order 100, said in the middle of wire harness and said line of shortest length bundle 100.Also can be in the several position on the said at least depth direction, make the adhesive tape that is formed with adhesive linkage on the two sides between overlapping said wire harness 100, at this moment, can a plurality of said first connecting portions 120 stably be mounted to said support portion 320.Identical therewith, corresponding with the said row of said second electrode terminal 211,212 a plurality of said electrical signal detection portion 222 also is divided into a plurality of said group along said depth direction.And, with said group of each said electrical signal detection portion 222 accordingly from said group of said second wire harness 100 a root ground distribute said wire harness 100 to be connected.No matter be said first wire harness 100 or said second wire harness 100, their said first connecting portions 120 separately all are connected with said electric treatment device 400.

The said battery module M of said first execution mode and said each wire harness 100 included said deflection division 122, said hole 123, said nut 213, said projection 321 and said binding parts 330 etc. also likewise are contained in said battery module M and said each wire harness 100 of said the 4th execution mode.

Said battery module M and said each wire harness 100 according to said the 4th execution mode; Can obtain effect and the effect identical with the said battery module M of said first execution mode and said each wire harness 100; And,, compare as the situation of said wire harness with using the common electric wire that forms with insulating coating covering heart yearn through overlapping said wire harness 100; Therefore overlapping said wire harness 100 can not occupy big space, can make densification around said each wire harness of said battery module M.And; Through between said conductor 100b, cutting apart said insulating coating 100a and the terminal from said insulating coating 100a, the terminal of said conductor 100b being stripped out; Form said each exposed division 121 of said first connecting portion 120; Therefore, can said exposed division 121 be set through general processing, so can utilize the processing unit (plant) of general said FFC100 ' to general said FFC100 '.

Below, the summary of execution mode of the present invention is described.

1) wire harness that relates to of first form in the wire harness of battery module of the present invention obtains through processing FFC, and said FFC comprises: the insulating coating that is the softness of extending bandedly; And a plurality of conductors that are the softness of wire; Said conductor is arranged on the long limit towards the cross section of the bearing of trend of this insulating coating along said insulating coating in the inside of said insulating coating; And the bearing of trend at said insulating coating extends; Said wire harness comprises: the wire harness main body, and said wire harness main body is made up of the mid portion on the bearing of trend of said insulating coating of said FFC; First connecting portion; Said first connecting portion extends from the end on the bearing of trend of said insulating coating of said wire harness main body; And at a plurality of said conductors; Be provided with one by one accordingly from said insulating coating with a plurality of electrical signal detection portion and be exposed to outside exposed division; Stacks of cells comprises a plurality of battery units that have the pair of electrodes terminal respectively and be configured to row, and said a plurality of electrical signal detection portion is arranged at a plurality of positions along the said row of said battery unit of said stacks of cells, and can detect the corresponding signal of telecommunication of state with peripheral said battery unit; And second connecting portion, said second connecting portion extends from the other end on the bearing of trend of said insulating coating of said wire harness main body, and is connected with the electric treatment device that receives from the signal of telecommunication of said electrical signal detection portion.

In the wire harness of the battery module of said first form; Through general FFC is simply processed; Can make said wire harness densification on every side; Even and setting the configuration of the said battery unit of said stacks of cells for example, or during different a plurality of said battery module such as the relative position of said stacks of cells and said electric treatment device, also can reduce the manufacturing cost of said each battery module.

2) wire harness that relates to of second form in the wire harness of battery module of the present invention is; In the wire harness of the battery module of said first form, said electrical signal detection portion is set at the electrode terminal link that is connected with one or two said electrode terminals of said stacks of cells.

Thus; Said electrode terminal link is formed for example tabular or form than situation such as said electrode terminal are big under; Than making said first connecting portion and the situation that the electrical signal detection portion that is arranged at said electrode terminal is connected, can improve the operability of attended operation.

When said electrical signal detection portion is set at said electrode terminal link; Except the effect that the wire harness that can obtain the battery module through said first form can obtain; Can also come to improve the operability of attended operation with the situation of the electrical signal detection portion that is arranged at said electrode terminal through the structure of said electrode terminal link than connecting said first connecting portion.

3) wire harness that relates to of the 3rd form in the wire harness of battery module of the present invention is, said first or the wire harness of the battery module of second form in, said each exposed division of said first connecting portion forms through at said insulating coating opening being set.

Thus, as long as form opening, just exposed division can be set through for example punching.

When said each exposed division of said first connecting portion forms through at said insulating coating opening being set; Except can obtain through said first or the wire harness of the battery module of second form effect that can obtain; Compare with operation that for example said conductor is stripped out from said insulating coating etc., the program that the operation of said first connecting portion is set at general said FFC becomes simple.

4) wire harness that relates to of the 4th form in the wire harness of battery module of the present invention is; Said first or the wire harness of the battery module of second form in; Through between said conductor, cutting apart said insulating coating; And the terminal from said insulating coating, the terminal of said conductor stripped out, form said each exposed division of said first connecting portion.

Thus, through general FFC is carried out general processing, exposed division is set.

When through when cutting apart said insulating coating between the said conductor and the terminal of said conductor stripped out said each exposed division that forms said first connecting portion from the terminal of said insulating coating; Except can obtain through said first or the wire harness of the battery module of second form effect that can obtain; Get final product because only need that general FFC is carried out general processing, so can utilize the processing unit (plant) of general said FFC.

5) battery module that relates to of first form in the battery module of the present invention comprises: said first the wire harness of battery module of arbitrary form to said the 4th form; Comprise the said stacks of cells that has a pair of said electrode terminal respectively and be configured to a plurality of said battery units of row; And said electric treatment device, the said exposed division of said first connecting portion connects with corresponding said electrical signal detection portion respectively, and the said conductor of said second connecting portion connects with the input part of corresponding said electric treatment device respectively.

In the battery module of said first form; Through general FFC is simply processed; Can make said wire harness densification on every side; Even and setting the configuration of the said battery unit of said stacks of cells for example, or during different a plurality of said battery module such as the relative position of said stacks of cells and said electric treatment device, also can reduce the manufacturing cost of said each battery module.

6) battery module that relates to of second form in the battery module of the present invention is; In the battery module of said first form; Said battery unit is formed cuboid, is provided with a pair of said electrode terminal highlightedly at an one of which end face, and said battery module also comprises support component; Said support component has support component main body and support portion; Said support component main body has with the mode that forms accommodating chamber in the inboard and is arranged on the wall around this accommodating chamber, and said accommodating chamber is opening and admit one or two said electrode terminals in the bottom surface, and said support portion is connected with the outside of the said wall of said support component main body; And extend with the width corresponding with said first connecting portion of said wire harness said support portion, and the parts that are provided with said electrical signal detection portion are set at said support component.

Thus; If said support component and the said end face of said battery unit more than one or two are adjacent to the mode of in each accommodating chamber of said support component, admitting one or two said electrode terminals of said battery unit respectively; Thereby and said first connecting portion of said wire harness is disposed at said support portion said each exposed division is connected with said each electrical signal detection portion respectively, then said wire harness is connected with said stacks of cells.

When said battery module is provided with support component, except the effect that the battery module that can obtain through said first form can obtain, can also improve the operability of the attended operation of said wire harness and said stacks of cells.

7) battery module that relates to of the 3rd form in the battery module of the present invention is, in the battery module of said second form, said electrical signal detection portion is set on said Width, cross said support portion.

Thus, because can carry out said exposed division and the attended operation of said electrical signal detection portion of said first connecting portion of said wire harness, so operability is improved according to method of attachment in said support component external side of main body.

When said electrical signal detection portion is set on said Width, cross said support portion; Except the effect that the battery module that can obtain through said second form can obtain, can also improve operability according to the method for attachment of said wire harness and said first connecting portion.

8) battery module that relates to of the 4th form in the battery module of the present invention is, in the battery module of the arbitrary form in said first to the 3rd form, carries out being connected of said exposed division and said electrical signal detection portion through welding.

Thus, compare with the situation of carrying out for example soldering etc., bonding strength strengthens.

When carrying out being connected of said exposed division and said electrical signal detection portion through welding; Except the effect that the battery module that can obtain through the arbitrary form in said first to the 3rd form can obtain, can also strengthen bonding strength than the situation of carrying out for example soldering etc.

Said battery module of the present invention and said wire harness comprise the execution mode that the characteristic to each execution mode that is illustrated hereinbefore and variation thereof combines.In addition, execution mode that is illustrated hereinbefore and variation thereof only show several examples of said battery module of the present invention and said wire harness.Therefore, can not think that said battery module of the present invention and said wire harness receive the restriction of the explanation of these execution modes and variation thereof.

Claims

1. the wire harness of a battery module (100), it obtains through processing flexibility flat cable (100 '), and said flexible flat cable (100 ') comprising: the insulating coating (100a) that is the softness of extending bandedly; And a plurality of conductors (100b) that are the softness of wire; Said conductor (100b) is arranged on the long limit towards the cross section of the bearing of trend of this insulating coating (100a) along said insulating coating (100a) in the inside of said insulating coating (100a); And the bearing of trend at said insulating coating (100a) extends

Said wire harness (100) comprising:

Wire harness main body (110), said wire harness main body (110) is made up of the mid portion on the bearing of trend of said insulating coating (100a) of said flexible flat cable (100 ');

First connecting portion (120); Said first connecting portion (120) extends from the end on the bearing of trend of said insulating coating (100a) of said wire harness main body (110); And at a plurality of said conductors (100b); Be provided with the exposed division (121) that is exposed to the outside from said insulating coating (100a) accordingly one by one with a plurality of electrical signal detection portions (222); Stacks of cells (200) comprise have the pair of electrodes terminal respectively (211,212) and be configured to one row a plurality of battery units (210); Said a plurality of electrical signal detection portions (222) are arranged at a plurality of positions along the said row of said battery unit (210) of said stacks of cells (200), and can detect the corresponding signal of telecommunication of state with the said battery unit (210) of periphery; And

Second connecting portion (130); Said second connecting portion (130) extends from the other end on the bearing of trend of said insulating coating (100a) of said wire harness main body (110), and is connected with the electric treatment device (400) of reception from the signal of telecommunication of said electrical signal detection portion (222).

2. the wire harness of battery module as claimed in claim 1 (100), wherein,

Said electrical signal detection portion (222) is set at the electrode terminal link that is connected with one or two said electrode terminals (211,212) of said stacks of cells (200).

3. the wire harness of battery module as claimed in claim 1 (100), wherein,

Said each exposed division (121) of said first connecting portion (120) forms through at said insulating coating (100a) opening (121a) being set.

4. the wire harness of battery module as claimed in claim 2 (100), wherein,

5. the wire harness of battery module as claimed in claim 1 (100), wherein,

Through between said conductor (100b), cutting apart said insulating coating (100a), and strip out the terminal of said conductor (100b), form said each exposed division (121) of said first connecting portion (120) from the terminal of said insulating coating (100a).

6. the wire harness of battery module as claimed in claim 2 (100), wherein,

7. a battery module (M), it comprises:

The wire harness of battery module as claimed in claim 1 (100);

Comprise the said stacks of cells (200) that has a pair of said electrode terminal (211,212) respectively and be configured to a plurality of said battery unit (210) of row; And

Said electric treatment device (400),

The said exposed division (121) of said first connecting portion (120) connects with corresponding said electrical signal detection portion (222) respectively,

The said conductor (100b) of said second connecting portion (130) connects with the input part of corresponding said electric treatment device (400) respectively.

8. a battery module (M), it comprises:

The wire harness of battery module as claimed in claim 2 (100);

Said electric treatment device (400),

9. a battery module (M), it comprises:

The wire harness of battery module as claimed in claim 3 (100);

Said electric treatment device (400),

10. a battery module (M), it comprises:

The wire harness of battery module as claimed in claim 4 (100);

Said electric treatment device (400),

11. a battery module (M), it comprises:

The wire harness of battery module as claimed in claim 5 (100);

Said electric treatment device (400),

12. a battery module (M), it comprises:

The wire harness of battery module as claimed in claim 6 (100);

Said electric treatment device (400),

13. like each the described battery module (M) in the claim 7 to 12, wherein,

Said battery unit (210) is formed cuboid, is provided with a pair of said electrode terminal (211,212) highlightedly at an one of which end face,

Said battery module (M) also comprises support component (300); Said support component (300) has support component main body (310) and support portion (320); The mode that said support component main body (310) has to form accommodating chamber (311) in the inboard is arranged on this accommodating chamber (311) wall (312) on every side; Said accommodating chamber (311) is (313) opening and admit one or two said electrode terminals (211,212) in the bottom surface; Said support portion (320) is connected with the outside of the said wall (312) of said support component main body (310), and extend with the width corresponding with said first connecting portion (120) of said wire harness (100) said support portion (320)

The parts that are provided with said electrical signal detection portion (222) are set at said support component (300).

14. battery module as claimed in claim 13 (M), wherein,

Said electrical signal detection portion (222) is set on said Width, cross said support portion (320).

15. like each the described battery module (M) in the claim 7 to 12, wherein,

Carry out being connected of said exposed division (121) and said electrical signal detection portion (222) through welding.

16. battery module as claimed in claim 13 (M), wherein,

17. battery module as claimed in claim 14 (M), wherein,