CN103811706A - Busbar module and power supply device - Google Patents

Busbar module and power supply device Download PDF

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Publication number
CN103811706A
CN103811706A CN201310528998.8A CN201310528998A CN103811706A CN 103811706 A CN103811706 A CN 103811706A CN 201310528998 A CN201310528998 A CN 201310528998A CN 103811706 A CN103811706 A CN 103811706A
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CN
China
Prior art keywords
electric wire
terminal
voltage detecting
busbar
cover
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Granted
Application number
CN201310528998.8A
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Chinese (zh)
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CN103811706B (en
Inventor
小笠原茂之
井上秀樹
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Yazaki Corp
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Yazaki Corp
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Publication of CN103811706A publication Critical patent/CN103811706A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • H01M50/54Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/006Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits the coupling part being secured to apparatus or structure, e.g. duplex wall receptacle
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)

Abstract

The invention aims to provide a busbar module which can appropriately protect electric wires that are arranged in a wire arranging part, and a power supply device. The busbar module (1) is provided with the components of: a plurality of busbars for connecting a plurality of cells in series, a voltage detecting terminal (4) which is connected with the busbars, a pair of power supply terminals (5) and a housing (6) for accommodating the components above. The housing (6) is provided with the components of: a plurality of accommodating parts (7) for accommodating the busbars and the voltage detecting terminals, a groove-shaped wire arranging part (9) which are arranged in parallel with the plurality of accommodating parts and is provided with a first electric wire, a pair of outer covers (9A,9B) which cover preset ranges in the opening of the wire arranging part, an electric wire holding part (11) which is arranged in a gap between a pair of outer covers that are arranged separately and adjacently in the plurality of outer covers and hold a second electric wire that is connected with the power supply terminals, and a protective cover (17) which is arranged in the gap and covers the opening of the wire arranging part. The protective cover is continuous with the electric wire holding part.

Description

Busbar module and supply unit
Technical field
The present invention relates to a kind of busbar module and supply unit, particularly a kind of for the busbar module that multiple batteries are connected in series and the supply unit with this busbar module.
Background technology
For example using the electric automobile of electrical motor driven or by engine and electro-motor and with in the hybrid vehicle driving etc., be equipped with the above-mentioned supply unit as the drive source of above-mentioned electro-motor.This supply unit adopts a pair of cell connector shown in patent documentation 1.
Cell connector 101 shown in Fig. 6 is installed on one end to be had positive electrode, the other end to have the battery (rectangular cell) of negative electrode staggered oppositely superimposed and the cell assembly (not shown) that forms is the device that superimposed battery is connected in series each other.Each cell connector 101 has: use mould carry out resin integrated moulding and resin plate 106; Embedding is positioned at the terminal 105 for power supply of first resettlement section 107 of one end of resin plate 106; Embedding is positioned at multiple second resettlement sections 108 of the other end of resin plate 106, and multiple busbars 103 with diplopore that multiple batteries are connected in series; Be stacked and placed on these busbars 103 and be attached thereto, for detection of the terminal for voltage detecting (not shown) of voltage.The first resettlement section 107 is connected along the superimposed direction (arrow Y-direction) of multiple batteries with multiple the second resettlement sections 108.
Resin plate 106 has: along interconnected the first resettlement section 107 of straight line and multiple the second resettlement section 108; The groove shape distribution trough 109 that the many signal line (not shown) that are connected with terminal with multiple voltage detecting are laid along arrow Y; Multiple groove outer covers 110 of the assigned position in the opening of covering distribution trough 109; With by the power line (not shown) being connected with terminal 105 with power supply along arrow Y lay, to control the hook 111 of power line, and above-mentioned member forms as one.Groove outer cover 110 is connected in the open end of distribution trough 109 in the mode that can rotate freely 180 degree by articulated section 112.This groove outer cover 110 can expose distribution trough 109 opening open position and from open position rotate 180 degree and between by the detent position of the closure of openings of distribution trough 109, be freely shifted, and in the time of resin plate 106 moulding, this groove outer cover 110 is positioned at the open position of the opening that does not cover distribution trough 109.
Formerly technical literature
Patent documentation
Patent documentation 1: TOHKEMY 2004-98295 communique
Summary of the invention
Invent problem to be solved
But in above-mentioned existing cell connector 101, in the time of resin plate 106 moulding, multiple groove outer covers 110 are positioned at open position, in its vertical view, on the position overlapping with the formation position of hook 111, can not form groove outer cover 110.Therefore, can not form the groove outer cover 110 of the whole opening that covers distribution trough 109, in the part of failing to form groove outer cover 110, cannot carry out the suitably problem of protection to holding wire with regard to there will be.
The object of the present invention is to provide a kind of busbar module and supply unit that can carry out suitably protection to the electric wire being laid in wiring part.
Solve the means of problem
The invention of the application's first aspect relates to a kind of busbar module, it is characterized in that having:
Multiple busbars, the plurality of busbar is by being connected to each other along the electrode of the adjacent cell in straight line multiple batteries arranged side by side being aligned to each electrode, thereby the plurality of battery is connected in series;
The voltage detecting terminal being connected with above-mentioned each busbar;
Be connected with the electrode of the battery that is positioned at end in above-mentioned multiple batteries, and the power supply terminal being connected with load; With
Accommodate the housing of above-mentioned multiple busbar, above-mentioned multiple voltage detecting terminal and above-mentioned power supply terminal, wherein,
Above-mentioned housing has:
Along the orientation setting of above-mentioned battery, for accommodating multiple resettlement sections of above-mentioned each busbar and each voltage detecting terminal;
Arrange with above-mentioned multiple resettlement sections are parallel, and the wiring part that the first electric wire being connected with terminal with above-mentioned voltage detecting is laid along above-mentioned orientation;
Cover multiple outer covers of the preset range in the opening of above-mentioned wiring part;
Gap between a pair of outer cover that is arranged at the spaced-apart interval in above-mentioned multiple outer cover and adjoin, and control the electric wire handle part of the second electric wire being connected with terminal with above-mentioned power supply; With
Be arranged at above-mentioned gap and cover the protective cover of the opening of above-mentioned wiring part,
Above-mentioned protective cover and said wires handle part are continuous.
The invention of the application's second aspect is characterised in that, in the invention described in first aspect, said wires handle part has: continuous with above-mentioned wiring part, and control the handle part main body of the second electric wire; Cover the covering part that is held in above-mentioned second electric wire of this handle part main body by handle; Above-mentioned covering part is connected in to the articulated section of above-mentioned handle part main body in the mode that can rotate with respect to above-mentioned handle part subject freedom, and above-mentioned each parts formation one, above-mentioned protective cover and above-mentioned covering part are continuous, and extend to the direction away from above-mentioned articulated section.
The invention of the application's third aspect is characterised in that; in the invention described in second aspect; above-mentioned covering part is provided with fastener; above-mentioned handle part main body is provided with the engagement carrier with above-mentioned fastener engagement; utilize above-mentioned articulated section that above-mentioned covering part and above-mentioned protective cover are rotated; above-mentioned fastener is limited to above-mentioned engagement carrier; and above-mentioned covering part is positioned to cover the position that is held in above-mentioned second electric wire of above-mentioned handle part main body by handle, protective cover is positioned to the position of the opening that covers above-mentioned wiring part.
The invention of the application's fourth aspect relates to a kind of supply unit, it is characterized in that, has: by the anodal and staggered cell assembly that oppositely superimposed multiple batteries form of negative pole; With the busbar module described in above-mentioned first aspect~third aspect either side.
The effect of invention
According to the present invention described in above-mentioned first, fourth aspect, in busbar module, housing has: along orientation setting, accommodate multiple resettlement sections of above-mentioned each busbar and each voltage detecting terminal; With the parallel wiring part that arranges and the first electric wire being connected with terminal with voltage detecting is laid along orientation in multiple resettlement sections; Multiple outer covers of the preset range in the opening of covering wiring part; Gap between a pair of outer cover that is arranged at the spaced-apart interval in multiple outer covers and adjoin, and control the electric wire handle part of the second electric wire being connected with terminal with power supply; Be arranged at gap and cover the protective cover of the opening of wiring part; protective cover and electric wire handle part are continuous; by housing moulding, and make protective cover cover the gap between opening and the inaccessible a pair of outer cover of wiring part by resin integrated moulding, therefore can prevent damage and/or the short circuit of the first electric wire., can suitably protect the first electric wire being laid in wiring part.
According to the invention described in second aspect, because said wires handle part has: with wiring part continuously and control the handle part main body of the second electric wire; Cover the covering part that is held in the second electric wire of this handle part main body by handle; Covering part is connected in to the articulated section of handle part main body in the mode that can rotate with respect to handle part subject freedom; and above-mentioned each parts form one; protective cover and covering part are continuous; and extend to the direction away from articulated section; therefore can continue to use under the state of structure in the past; by increasing covering part and protective cover forms in housing, can change with minimum limit the mould of housing moulding, and can suppress the increase of cost.
According to the invention described in the third aspect; because covering part is provided with fastener; handle part main body is provided with the engagement carrier with fastener engagement; utilize articulated section that covering part and protective cover are rotated; fastener is limited to engagement carrier; and covering part is positioned to cover the position that is held in the second electric wire of handle part main body by handle, protective cover is positioned to the position of the opening that covers wiring part, therefore can realize the high efficiency of assembling operation.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the supply unit of one embodiment of the present invention.
Fig. 2 is the schematic top plan view that forms the busbar module of above-mentioned supply unit.
Fig. 3 is the schematic top plan view of the assembly operation of above-mentioned busbar module.
Fig. 4 is the schematic top plan view that the outer cover of the above-mentioned busbar module of formation turns to the state of wiring part.
Fig. 5 (A) is the enlarged drawing of observing a part for the busbar module shown in Fig. 3 from another angle, and Fig. 5 (B) is the schematic diagram of protective cover closed state.
Fig. 6 is the schematic top plan view of existing busbar module.
Symbol description
1 busbar module
10 supply units
2 cell assemblies
3 busbars
4 voltage detecting terminals
5 power supply terminals
6 housings
7 busbar resettlement sections (resettlement section)
9 wiring parts
9A, 9B outer cover
11 electric wire handle parts
17 protective covers
Embodiment
Below, illustrate according to busbar module and the supply unit of one embodiment of the present invention with reference to Fig. 1~Fig. 5.
As shown in Figure 1, busbar module 1 of the present invention is installed on the side of the cell assembly 2 shown in this Fig. 1, is the building block of supply unit 10., above-mentioned supply unit 10 comprises cell assembly 2 and is installed on a pair of busbar module 1 of two sides of this cell assembly 2.In addition, this supply unit 10 be equipped on use electrical motor driven electric automobile or and the hybrid vehicle that drives with engine and electro-motor etc., be the device that electric power is provided to above-mentioned electro-motor.
As shown in Figure 1, cell assembly 2 has multiple batteries 20 and for by the mutual superimposed and fixing fixed component (not shown) of above-mentioned multiple batteries 20.In addition, each battery 20 have in the framework of box, be filled with the battery main body 21 of electrolyte and be equivalent to " electrode " the present invention from side and the outstanding anodal 22(in another side of this battery main body 21 respectively) and negative pole 23(be equivalent to " electrode " in the present invention).Above-mentioned anodal 22 and negative pole 23 be formed as respectively cylindricly by conducting metal, their outer peripheral face is formed with the bolt slot screwing togather with nut 2A.
And then in the plurality of battery 20, positive pole 22 and negative pole 23 configure along the staggered mode of straight line with the superimposed direction along the plurality of battery 20.In addition, the arrow Y in Fig. 1 represents the orientation of multiple batteries 20 and the length direction of busbar module 1; Arrow X represents the Width of each battery 20, i.e. the Width of busbar module 1; Arrow Z represents the short transverse of each battery 20, i.e. the short transverse of busbar module 1.
A pair of busbar module 1 is the parts that above-mentioned multiple batteries 20 are connected in series, and as shown in Figure 1 and Figure 2, this busbar module 1 has: the positive pole of the battery mutually adjoining 20 22 is connected with negative pole 23, with multiple busbars 3 that multiple batteries 20 are connected in series; Be electrically connected with each busbar 3, for detection of the voltage of each battery 20 multiple terminal 4 for voltage detecting; Be connected in many voltage detecting line 40(the first electric wires of each voltage detecting terminal 4); Be positioned at the two ends of multiple batteries 20, and a pair of terminal 5 for power supply that is connected in the mutually different electrode of polarity; A pair of power line 50(the second electric wire being connected with terminal 5 with a pair of power supply); Pair of shells 6 with terminal 4, terminal 5 for a pair of power supply, many voltage detecting lines 40 and a pair of power line 50 for accommodating above-mentioned multiple busbar 3, for multiple voltage detecting.It should be noted that, in Fig. 1, omitted power supply terminal 5 and voltage detecting line 40.
Multiple busbars 3 obtain by metallic plate being carried out to punch process etc. respectively, as shown in Figure 3, are the structure of a pair of through hole 3a that is formed with the positive pole 22 for inserting the electrode adjoining mutually and negative pole 23 on tabular metallic plate.This busbar 3 is by nut 2A is screwed togather with the positive pole 22 and the negative pole 23 that insert in a pair of through hole 3a, and this busbar 3 is fixed on to above-mentioned anodal 22 and negative pole 23 being electrically connected.
Multiple voltage detecting are the parts that obtain by metallic plate being carried out to punch process etc. respectively with terminal 4, and as shown in Figure 2, it has: the terminal bodies 41 of rectangular plate-like; Continuous with the outer rim of this terminal bodies 41, and length direction is along the tabular base plate 42 of rectangle of arrow Z direction extension; Erect with the two ends of the Width (arrow directions X) from this base plate 42, by a pair of the connecting plate 43 fastening heart yearn of voltage detecting line 40.The central authorities of terminal bodies 41 are formed with through hole 4a.In the through hole 4a of each voltage detecting with terminal 4, be inserted with the arbitrary utmost point in positive pole 22 or the negative pole 23 of battery 20, be superimposed on each busbar 3 and be electrically connected with each busbar 3, and with this connecting plate 43 by fastening the heart yearn of voltage detecting line 40 and be electrically connected with voltage detecting line 40.
A pair of power supply with terminal 5 with in multiple batteries 20, be positioned at two ends and the mutually different electrode of polarity is connected, and be the parts that are connected with load.Each power supply is that metallic plate is carried out to punch process etc. and the parts that obtain with terminal 5, and as shown in Figure 1 and Figure 2, it is rectangle tabular.Each power supply is formed with through hole 5a with one end of the length direction (arrow Z direction) of terminal 5, and the other end is provided with connecting plate 51.In the through hole 5a of power supply with terminal 5, be inserted with the electrode that is positioned at end in multiple batteries 20, be electrically connected with the mutually different electrode of polarity, and by this connecting plate 51 by fastening the heart yearn of power line 50 and be electrically connected with power line 50.
As shown in Figure 3, housing 6 is the roughly rectangle roughly equal with the upper surface of cell assembly 2, and is superimposed on the upper surface of cell assembly 2.Housing 6 has: accommodate respectively each busbar 3 and with superimposed each of this busbar 3 terminal 4 for voltage detecting, and the 7(resettlement section, multiple busbars resettlement section linearly connecting along the direction of arrow Y); Accommodate each voltage detecting terminal 4 and terminal 5 power supply for, and with a terminal accommodating portion 8 of the end abutment setting of the arrow Y-direction of multiple busbars resettlement section 7; With parallel setting of orientation (arrow Y-direction) of multiple busbars resettlement section 7, the wiring part 9 of the groove shape that the voltage detecting line 40 being connected with terminal 4 with voltage detecting is laid along arrow Y-direction; A pair of outer cover 9A, the 9B of the preset range in the opening of covering wiring part 9; Be arranged at the gap between a pair of outer cover 9A, 9B, the electric wire handle part 11 that the power line 50 being connected with terminal 5 with power supply is laid along arrow Y-direction; And be arranged at the gap between a pair of outer cover 9A, 9B, and the protective cover 17(that covers the opening of wiring part 9 is shown in Fig. 1)., the opening entirety of wiring part 9 is covered by a pair of outer cover 9A, 9B and protective cover 17.
As shown in Figure 3, housing 6 is provided with and will between multiple busbars resettlement section 7 and wiring part 9, connects, and makes the multiple interconnecting parts 18 that are communicated with between each busbar resettlement section 7 and wiring part 9.Each interconnecting part 18 is in the form of slot, will export to wiring part 9 from the voltage detecting line 40 of each busbar resettlement section 7.This housing 6 is provided with multiple busbars resettlement section 7 and terminal accommodating portion 8 at the upper side (upper side in Fig. 3) of the arrow Z of wiring part 9 direction, lower side (lower side in Fig. 3) in the arrow Z of wiring part 9 direction is provided with electric wire handle part 11, between multiple busbars resettlement section 7 and terminal accommodating portion 8 and electric wire handle part 11, is provided with wiring part 9.In addition, form multiple busbars resettlement section 7 of housing 6, terminal accommodating portion 8, wiring part 9, a pair of outer cover 9A, 9B, electric wire handle part 11, protective cover 17 and a multiple interconnecting part 18 one-body molded and obtain by synthetic resin.
As shown in Figure 1, multiple busbars resettlement section 7 is respectively the box with the tabular diapire of rectangle 71, and busbar 3 is positioned on the surface of diapire.Diapire 71 is formed with positive pole 22 for inserting battery 20 and a pair of through hole 7a of negative pole 23.
As shown in Figure 3, terminal accommodating portion 8 is the groove shape with the tabular diapire of rectangle 81, and superimposed voltage detecting is positioned on bottom wall surface with terminal 4 and power supply terminal 5 mutually.Diapire 81 is formed with positive pole 22 for inserting battery 20 or a through hole (not shown) of negative pole 23.The lower side end of the arrow Z direction of this terminal accommodating portion 8 is communicated with wiring part 9, thereby the voltage detecting line 40 being connected with the voltage detecting terminal 4 being contained in terminal accommodating portion 8 is exported to wiring part 9, in the bottom of its arrow Z direction, the power line 50 being connected with terminal 5 with power supply is exported in the mode of laying along arrow Y-direction.
As shown in Figure 3, Figure 4, wiring part 9 is the groove shape of the two side 92A, the 92B that have the tabular diapire of rectangle 91 and erect from the two ends of the Width (arrow Z direction) of this diapire 91, and the voltage detecting line 40 being connected with terminal 4 with voltage detecting is positioned on the surface of diapire.The many places of diapire 91 are provided with recess portion (not shown).The first side wall 92A of the upper side (interconnecting part 18 sides) in two side 92A, 92B, be provided be located at respectively each outer cover 9A, 9B the first locking part 95 engagements first locking carrier 96.The first locking carrier 96 is located between multiple interconnecting parts 18 and (the position of interconnecting part 18 is not set), and is arranged on the leading section of the first side wall 92A.
As shown in Figure 3, Figure 4, a pair of outer cover 9A, 9B are spaced apart side by side along arrow Y-direction, to cover the preset range in the opening of wiring part 9.Each outer cover 9A, 9B are roughly equal tabular of the size of (arrow Z direction) between its width dimensions and two side 92A, the 92B of wiring part 9, and are connected in wiring part 9 and can rotate freely 180 degree by the first articulated section 90.At an edge of wiring part 9 one sides (being arrow Z direction side) of each outer cover 9A, 9B, be provided with continuously with it the first articulated section 90, be provided with at another edge and the first locking part 95 of the first locking carrier 96 engagements of being located at wiring part 9.
As shown in Figure 3, the first articulated section 90 is being provided with multiple, and continuous with the leading section of the second sidewall 92B of wiring part 9 with the first locking part 95 and the first corresponding position of locking carrier 96.Each the first articulated section 90 is connected with a pair of outer cover 9A, the 9B that can rotate freely take arrow Y-direction as rotary middle spindle 180 degree, and each outer cover 9A, 9B are shifted at the detent position and exposing between the open position of opening of wiring part 9 of the opening that covers wiring part 9.In addition, housing 6 is by (that is, moulding at once afterwards) after the moulding of resin integrated molding mode, and a pair of outer cover 9A, 9B are positioned at the open position shown in Fig. 3, Fig. 4.
As shown in Figure 3, electric wire handle part 11 has: the tabular handle part main body 12 of the power line 50 that surface mounting is laid along arrow Y-direction; Covering loads in the U-shaped covering part 13 of the power line 50 of this handle part main body 12; With this covering part 13 is connected in to the second articulated section 14 that handle part main body 12 enables freely to rotate.One side of arrow Z direction and the diapire 91 of wiring part 9 of this handle part main body 12 are continuous, and opposite side and the second articulated section 14 are continuous.
As shown in Fig. 5 (A), in the end of wiring part 9 one sides of the arrow Z of handle part main body 12 direction, be provided with and the engagement pawl 30(fastener of being located at covering part 13) the engagement carrier 19 of engagement.Engagement carrier 19 possesses: outstanding from handle part main body 12, and with the opposed main part 24 of the second sidewall 92B of wiring part 9; By the engagement pawl carrier 25 of engagement pawl 30 engagements; With the guide portion 26 that engagement pawl 30 is guided to this engagement pawl carrier 25.In the end of handle part main body 12 1 sides (arrow Y-direction) of wiring part 9 one side surfaces of main part 24, engagement pawl carrier 25 is set, in the side away from handle part main body 12 of engagement pawl carrier 25, guide portion 26 is set.This engagement pawl carrier 25 by excision main part 24 a part form so that engagement pawl 30 can with these engagement pawl carrier 25 engagements.Therefore, the part that is provided with engagement pawl carrier 25 of main part 24 forms thinner wall section, and can be along arrow Z direction generation strain.
As shown in Fig. 5 (A), (B), covering part 13 takes the shape of the letter U, and has: top board 27, the first rise part 28 of erectting from a lateral edges of the arrow Z direction of this top board 27 and the second rise part 29 of erectting from the opposite side edge of this top board 27.In the end away from top board 27 of the first rise part 28, be provided with the second continuous with it articulated section 14(articulated section of the present invention).
As shown in Fig. 5 (A), the second rise part 29 is provided with and the engagement pawl 30 of engagement carrier 19 engagements of above-mentioned handle part main body 12 and be located at the gap between a pair of outer cover 9A, 9B and cover the protective cover 17 of the opening of wiring part 9.Engagement pawl 30 is outstanding to the first rise part 28 from the leading section of the second rise part 29.This engagement pawl 30 is located at the position away from going back from top board 27 than the end away from top board 27 of the first rise part 28.
As shown in Fig. 5 (A), protective cover 17 has: continuous with the end of top board 27 sides of the outer surface of the second rise part 29, and the protective cover main body 17A extending along the direction away from the second articulated section 14 of arrow Z direction; Outstanding with edge part from protective cover main body 17A, and the superimposed portion 17B superimposed with the outer surface of the first side wall 92A of wiring part 9.The long limit size (arrow Y-direction) of protective cover main body 17A is slightly less than the size in the gap between adjacent outer cover 9A, 9B, and its width dimensions (arrow Z direction) is roughly equal with the width dimensions of outer cover 9A, 9B.
As shown in Fig. 5 (A), Fig. 5 (B), for ease of deflection, the second articulated section 14 is formed as to thin wall shape, and its one end is set to handle part main body 12 continuous, the other end is set to the first rise part 28 of covering part 13 continuous.This second articulated section 14 connects covering part 13 and protective cover 17; make covering part and protective cover can rotate freely take arrow Y-direction as rotary middle spindle 180 degree, thus covering part 13 cover handle part main body 12, protective cover 17 be located at the gap between a pair of outer cover 9A, 9B and cover wiring part 9 opening covering position and expose handle part main body 12 and expose gap between a pair of outer cover 9A, 9B and the exposing between position of opening of wiring part 9 is shifted.As shown in Figure 3, Figure 4, covering part 13 and protective cover 17 are configured in and are exposed position by (, after moulding at once) after the moulding of resin integrated molding mode at housing 6.
The number of assembling steps of the supply unit 10 of said structure is then described.First prepare respectively busbar 3, terminal 4 for voltage detecting, terminal 5, housing 6 etc. for power supply.Then the each busbar resettlement section 7 that each busbar 3 is embedded to housing 6, is superimposed on busbar 3 by voltage detecting with terminal 4.The a pair of through hole of being located at busbar resettlement section 7 is overlapped with a pair of through hole 3a that is located at busbar 3, and a wherein hole of being located in the voltage detecting through hole 4a of terminal 4 and a pair of through hole 3a of busbar resettlement section 7 and busbar 3 is overlapped.Then each voltage detecting line 40 is laid in wiring part 9 and interconnecting part 18, by this voltage detecting line 40 and voltage detecting with being electrically connected between terminal 4.Then a pair of outer cover 9A, 9B Rotate 180 degree are positioned to detent position, to cover the opening of wiring part 9, with the first locking part 95 by the first locking carrier 96 engagements.
Voltage detecting is embedded to terminal resettlement section 8 with terminal 4, make power supply terminal 5 be superimposed on terminal 4 for voltage detecting.The through hole that is arranged at terminal accommodating portion 8 overlaps with the through hole 4a of voltage detecting terminal 4, and overlaps with the through hole 5a that is located at power supply terminal 5.Then voltage detecting line 40 is laid in wiring part 9, by this voltage detecting line 40 and voltage detecting with being electrically connected between terminal 4.
Power line 50 be contained in the handle part main body 12 of electric wire handle part 11 and lay along arrow Y-direction, making to be electrically connected between this power line 50 and power supply terminal 5.Then make covering part 13 and protective cover 17 start to rotate from exposing position, make guide portion 26 butts of engagement pawl 30 and main part 24.Again engagement pawl 30 is crimped on to guide portion 26, makes the side generation strain away from wiring part 9 of guide portion 26 towards arrow Z direction, engagement pawl 30 is entered in engagement pawl carrier 25.Make guide portion 26 elastic resets, thereby engagement pawl 30 is limited to engagement pawl carrier 25.Like this, covering part 13 and protective cover 17 just cover position state to be positioned at is fixed (maintaining), so far completes the assembling of busbar module 1.
Be superimposed on the both side surface of cell assembly 2 with a pair of busbar module 1 of above-mentioned operating procedure assembling, nut 2A is screwed together in and inserts the through hole 7a of housing 6, the through hole 3a of busbar 3, positive pole 22 and the negative pole 23 that voltage detecting is used the through hole 4a of terminal 4, thereby by being electrically connected between the electrode of battery 20 and power line 50 and between the electrode of battery 20 and voltage detecting line 40, complete thus the assembling of supply unit 10.
According to such busbar module 1 and supply unit 10, because housing 6 has: arrange along orientation Y, for accommodating the 7(resettlement section, multiple busbars resettlement section of above-mentioned each busbar 3 and each voltage detecting terminal 4); Arrange with multiple busbars resettlement section 7 is parallel, will be connected in voltage detecting line 40(first electric wire of voltage detecting terminal 4) wiring part 9 laid along orientation Y; Multiple outer cover 9A, the 9B of the preset range in the opening of covering wiring part 9; Gap between a pair of outer cover 9A, the 9B that is located at spaced-apart interval in multiple outer cover 9A, 9B and mutually adjoin, and control power line 50(the second electric wire parallel with multiple busbars resettlement section 7 and that be connected with power supply terminal 5) electric wire handle part 11; And be located at (between a pair of outer cover 9A, 9B) gap; and cover the protective cover 17 of the opening of wiring part 9; and protective cover 17 is continuous with electric wire handle part 11; can make housing 6 moulding in the mode of resin integrated moulding; and protective cover 17 covers the opening of wiring part 9 and seals the gap between a pair of outer cover 9A, 9B, therefore can prevent damage and the short circuit of voltage detecting line 40., suitably protecting cloth is located at the voltage detecting line 40 in wiring part 9.
It should be noted that; although in the above-described embodiment, engagement pawl 30 is located at covering part, is located at handle part main body 12 with the engagement carrier 19 of engagement pawl 30 engagements; but also engagement pawl 30 can be located to protective cover 17, will be located at wiring part 9 with the engagement carrier 19 of engagement pawl 30 engagements.
In addition, above-mentioned execution mode is only having illustrated representative embodiments of the present invention, and the present invention is not limited to above-mentioned execution mode.,, not departing from the scope of purport of the present invention, can adopt various distortion to implement.

Claims (4)

1. a busbar module, is characterized in that, has:
Multiple busbars, multiple described busbars are by being connected to each other along the electrode of the adjacent cell in straight line multiple batteries arranged side by side being aligned to each electrode, thereby multiple described batteries are connected in series;
The multiple voltage detecting terminals that are connected with each described busbar;
Be connected with the electrode of the battery that is positioned at end in described multiple batteries, and the power supply terminal being connected with load; With
The housing of accommodating described multiple busbar, described multiple voltage detecting terminal and described power supply terminal, wherein, described housing has:
Along the orientation setting of described multiple batteries, for accommodating multiple resettlement sections of each described busbar and each described voltage detecting terminal;
Arrange with described multiple resettlement sections are parallel, and the wiring part that the first electric wire being connected with terminal with described voltage detecting is laid along described orientation;
Cover multiple outer covers of the preset range in the opening of described wiring part;
Gap between a pair of outer cover that is arranged at the spaced-apart interval in described multiple outer cover and adjoin, and control the electric wire handle part of the second electric wire being connected with terminal with described power supply; With
Be arranged at described gap and cover the protective cover of the opening of described wiring part,
Described protective cover and described electric wire handle part are continuous.
2. busbar module according to claim 1, is characterized in that,
Described electric wire handle part has:
Continuous with described wiring part, and control the handle part main body of the second electric wire;
Cover the covering part that is held in described second electric wire of described handle part main body by handle; With
Described covering part is connected in to the articulated section of described handle part main body in the mode that can rotate with respect to described handle part subject freedom, and described handle part main body, described covering part and described articulated section formation one,
Described protective cover and described covering part are continuous, and extend to the direction away from described articulated section.
3. busbar module according to claim 1, is characterized in that,
Described covering part is provided with fastener, and described handle part main body is provided with the engagement carrier with described fastener engagement,
Utilize described articulated section that described covering part and described protective cover are rotated; thus described fastener is limited to described engagement carrier; and described covering part is positioned to cover the position that is held in described second electric wire of described handle part main body by handle, described protective cover is positioned to the position of the opening that covers described wiring part.
4. a supply unit, is characterized in that, has:
By the anodal and staggered cell assembly that oppositely superimposed multiple batteries form of negative pole; With
Busbar module described in described claim 1~3 any one.
CN201310528998.8A 2012-11-05 2013-10-30 Busbar module and supply unit Active CN103811706B (en)

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