CN104602969B - The forceful electric power wire harness connecting structure of electric vehicle - Google Patents
The forceful electric power wire harness connecting structure of electric vehicle Download PDFInfo
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- CN104602969B CN104602969B CN201380044944.2A CN201380044944A CN104602969B CN 104602969 B CN104602969 B CN 104602969B CN 201380044944 A CN201380044944 A CN 201380044944A CN 104602969 B CN104602969 B CN 104602969B
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- 239000000725 suspension Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 6
- 230000035939 shock Effects 0.000 abstract description 11
- 238000005452 bending Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium Ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Abstract
When there is front shock, even if power unit retreats to rear view of vehicle due to impulsive force, also can prevent forceful electric power wire harness from damaging.Having: set of cells (BP), it is arranged in the base plate position of vehicle；Power unit (PU), it is arranged in the vehicle front position of set of cells (BP)；And forceful electric power wire harness (111), its battery side forceful electric power bonder terminal (14) being provided with the leading section in set of cells (BP) and cell side forceful electric power bonder terminal (17) being provided with on power unit (PU) are attached.In the forceful electric power wire harness connecting structure of this electric vehicle, wire harness joint face by battery side forceful electric power bonder terminal (14), so that the mode that forceful electric power wire harness (111) connects relative to vehicle fore-and-aft direction outside overall width direction obliquely, it is set to wire harness and connects inclined plane (14a).
Description
Technical field
The present invention relates to the forceful electric power wire harness of a kind of electric vehicle being connected set of cells and power unit by forceful electric power wire harness even
Connect structure.
Background technology
Currently, as the forceful electric power wire harness connecting structure of electric vehicle, it is known to strong by lay at vehicle fore-and-aft direction
Battery side forceful electric power bonder terminal that leading section in set of cells is provided with by wirning harness and the cell side being provided with on power unit
The structure (for example, referring to patent documentation 1) that forceful electric power bonder terminal is attached.
Patent documentation 1: Japanese Unexamined Patent Publication 2011-20622 publication
Summary of the invention
But, in the forceful electric power wire harness connecting structure of existing electric vehicle, by the line of battery side forceful electric power bonder terminal
Bundle joint face is set to the face (with overall width direction consistent face) vertical with vehicle fore-and-aft direction, so that forceful electric power wire harness is towards vehicle
Fore-and-aft direction connects.Accordingly, there exist following problems, i.e. in the case of power unit retreats at generation front shock, if dynamic
The vehicle fore-and-aft direction interval of power unit and set of cells is relatively near, then along with retrogressing, it is curved that forceful electric power wire harness starts under press-bending state
Song, if continuing to retreat, then immediately becomes the bending of the beaming limit exceeding forceful electric power wire harness, thereby sometimes results in forceful electric power wire harness
Damage.
Its result, at vehicle fore-and-aft direction configuration power unit with during set of cells, needs power unit and set of cells
The back amount of power unit when vehicle fore-and-aft direction interval is set to consider to occur front shock and the interval that is sufficiently spaced from, battery
The vehicle-mounted layout freedom of group is restricted.
The present invention is conceived to the problems referred to above and proposes, and its object is to provide the forceful electric power wire harness of a kind of electric vehicle
Connecting structure, when there is front shock in it, even if power unit retreats to rear view of vehicle due to impulsive force, it is also possible to prevent
Forceful electric power wire harness damages.
In order to achieve the above object, the forceful electric power wire harness connecting structure of the electric vehicle of the present invention is using following structure as front
Carrying, i.e. have: set of cells, it is arranged in the base plate position of vehicle；Power unit, before it is arranged in the vehicle of described set of cells
Orientation is put；And forceful electric power wire harness, battery side forceful electric power bonder terminal that the leading section in described set of cells is provided with by it and in institute
State the cell side forceful electric power bonder terminal that power unit is provided with to be attached.
In the forceful electric power wire harness connecting structure of this electric vehicle, the wire harness of described battery side forceful electric power bonder terminal is connected
Face, in the way of making described forceful electric power wire harness lateral bend lays outside overall width direction relative to vehicle fore-and-aft direction, is set to relatively
The wire harness tilted outside overall width direction in vehicle fore-and-aft direction connects inclined plane.
The effect of invention
Therefore, forceful electric power wire harness set of cells and power unit being attached and the wire harness of battery side forceful electric power bonder terminal
Connect inclined plane connect, forceful electric power wire harness relative to vehicle fore-and-aft direction outside overall width direction lateral bend lay.
Therefore, even if power unit interferes with forceful electric power wire harness, at battery side forceful electric power bonder terminal side, power unit
Also become by contacting that inclination causes with the forceful electric power wire harness that lateral bend lays outside overall width direction relative to vehicle fore-and-aft direction
Interfere.That is, even if due to generation front shock, power unit retreats to rear view of vehicle, along with further retreating, the most only
The inclination angle outside overall width direction being limited to make forceful electric power wire harness becomes big, or makes the bending quantitative change of forceful electric power wire harness big.
As it has been described above, by being configured to be defined to by inclining the interference with forceful electric power wire harness of the retrogressing relative to power unit
The contact tiltedly caused is interfered, thus when there is front shock, even if power unit retreats to rear view of vehicle due to impulsive force,
Also can prevent forceful electric power wire harness from damaging.
Its result, compared with situation about being laid along vehicle fore-and-aft direction by forceful electric power wire harness, it is possible to by power unit and battery
The vehicle fore-and-aft direction interval of group is with the configuration of closer interval, it is possible to increase the vehicle-mounted layout freedom of set of cells.
Accompanying drawing explanation
Fig. 1 is the outline side of the electric automobile of the station wagon type representing the forceful electric power wire harness connecting structure using embodiment 1
View.
Fig. 2 is that the outline of the electric automobile of the station wagon type representing the forceful electric power wire harness connecting structure using embodiment 1 is faced upward
View.
Fig. 3 is the overall oblique view of set of cells BP shown in the forceful electric power wire harness connecting structure of embodiment 1.
Fig. 4 is set of cells BP oblique laying down battery container upper cover shown in the forceful electric power wire harness connecting structure of embodiment 1
View.
Fig. 5 is set of cells BP and the attachment structure of power unit PU shown in the forceful electric power wire harness connecting structure of embodiment 1
Top view.
Fig. 6 is putting of the cross-section structure of each bonder terminal of the leading section setting of set of cells BP being shown in embodiment 1
Big sectional view.
Fig. 7 is laying structure and the PTC of the ptc heater wire harness in the forceful electric power wire harness connecting structure illustrating embodiment 1
The amplification view of the position relationship of heater bonder terminal and rear power unit mount.
Fig. 8 is the oblique view of the forceful electric power wire harness connecting structure illustrating embodiment 1, is from motor room's side access panel channel part
Time forceful electric power wire harness bending laying structure oblique view.
Fig. 9 is to be shown in the power unit rear power unit peace in the case of rear view of vehicle retreats when there is front shock
Dress portion and the Action Specification figure preventing interference effect of forceful electric power wire harness.
Detailed description of the invention
Hereinafter, based on the embodiment 1 shown in accompanying drawing, illustrate that the forceful electric power wire harness realizing the electric vehicle of the present invention connects structure
The optimum way made.
Embodiment 1
First, structure is illustrated.
The structure of the forceful electric power wire harness connecting structure of the electric vehicle of embodiment 1 is divided into and " is equipped with forceful electric power wire harness and connects structure
The schematic configuration of the electric automobile made ", " detailed construction of set of cells BP ", " forceful electric power wire harness attachment structure " and illustrate.
[being equipped with the schematic configuration of the electric automobile of forceful electric power wire harness connecting structure]
Fig. 1 and Fig. 2 is the electric automobile of the station wagon type representing the forceful electric power wire harness connecting structure using embodiment 1
The summary side elevation of (example of electric vehicle) and outline upward view.Hereinafter, based on Fig. 1 and Fig. 2, strong to being equipped with
The schematic configuration of the electric automobile of wirning harness connecting structure illustrates.
Described electric automobile as shown in Figure 1 and Figure 2, utilizes floor 100 and front panel 104 to mark off motor room 101
With car room 102, configure set of cells BP in the bottom on floor 100, motor room 101 configures power unit PU.This power list
The front-wheel 119 of left and right is driven by unit PU, and using the front-wheel 119 of left and right as driving wheel, using the trailing wheel 120 of left and right as from
Driving wheel.
Described car room 102 is formed on the top on floor 100 as shown in Figure 1, it is ensured that for the position from front panel 104 to vehicle
Space till the position of rear end face 103.It is recessed that floor 100 is set to from vehicle front floor surface to rear view of vehicle
The convex flat shape carrying out suppressing.This car room 102 has instrument board 105, console case 106, air-conditioning unit 107 and
Seat 108.
Described set of cells BP as it is shown in figure 1, be arranged in the wheelbase central part position of the bottom on floor 100, as in figure 2 it is shown,
Relative to bus body strength parts i.e. body rail by 8 supports.Body rail is configured to, and has the left and right extended along vehicle fore-and-aft direction
A pair longeron 109,109, and on overall width direction with pair of right and left longeron 109,109 link multiple crossbeams 110,
110、….The both sides of set of cells BP pass through pair of right and left the 1st the longeron strong point S1, S1, a pair the 1st cross beam supports point C1, C1, with
And pair of right and left the 2nd the longeron strong point S2, S2 are by 6 supports.The rear side of set of cells BP passes through pair of right and left the 2nd cross beam support point
C2, C2 are by 2 supports.
Described power unit PU is as it is shown in figure 1, be arranged in motor room 101 and strong via use in discharge and recharge
Wirning harness 111 is connected with set of cells BP.This power unit PU is in the structure of longitudinal laminated configuration by each element, has strong
Electricity module 112 (DC/DC changer+charger), inverter 113 and electric motor drive unit 114 (electric drive motor+subtract
Speed device+differential mechanism).Additionally, the anterior locations setting at vehicle has the quick charge port 115 of charging end lid and commonly fills
Electricity port 116.Quick charge port 115 and forceful electric power module 112 are connected by quick charge wire harness 117.Common charging port 116
Connected by common charging wire harness 118 with forceful electric power module 112.
The front-wheel 119 of described left and right is supported by the suspension of independent suspension mode, and the trailing wheel 120 of described left and right passes through axletree
The Leaf Spring Suspension 121,121 of suspending way supports.It is as noted previously, as in the trailing wheel 120 of left and right employing leaf spring
Suspension 121,121, it is therefore desirable to avoid Leaf Spring Suspension 121,121 and the interference of set of cells BP.Therefore, independently hang with utilizing
The vehicle that the trailing wheel of left and right is supported by the suspension of frame mode is compared, and the loading position of set of cells BP is located to vehicle front side
The position of skew.
[detailed construction of set of cells BP]
Fig. 3 and Fig. 4 is the figure of the detailed construction of set of cells BP representing embodiment 1.Hereinafter, based on Fig. 3 and Fig. 4,
The detailed construction of set of cells BP is illustrated.
Set of cells BP of embodiment 1 as shown in Figure 3 and 4, has: battery housing 1, battery module 2, homoiothermic wind list
Unit 3, safeguard disconnecting switch 4 (forceful electric power disconnect switch: hereinafter referred to as " SD switch "), rosette 5 and lithium-ion electric
Pool controller 6 (hereinafter referred to as " LB controller ").
Described battery housing 1 as shown in Figure 3 and 4, by set of cells underframe 11 and these 2 portions of set of cells upper cover 12
Part is constituted.
Described set of cells underframe 11 as shown in Figure 4, is to be supported, relative to body rail, the frame parts fixed.At this
Set of cells underframe 11 has for battery-mounted module 2, other set of cells element 3,4,5,6 utilize square-shaped recess
The mounting space formed.In the frame front end portion of this set of cells underframe 11, refrigerant pipe bonder terminal 13, battery side are installed
Forceful electric power bonder terminal 14, ptc heater bonder terminal 15 and light current bonder terminal 16.
Described set of cells upper cover 12 is as it is shown on figure 3, be the lid of the peripheral part position being bolted to set of cells underframe 11
Parts.This set of cells upper cover 12 has the cap surface formed by concavo-convex step surface shape, wherein, this concavo-convex step surface shape
With on set of cells underframe 11 carry each set of cells element 2,3,4,5,6 in, particularly battery module 2 is concavo-convex
High low profile is corresponding.
Described battery module 2 as shown in Figure 4, is mounted on set of cells underframe 11, by the 1st battery module the 21, the 2nd battery
3 segmentation module compositions of module the 22 and the 3rd battery module 23.Each battery module 21,22,23 is to secondary cell (lithium ion
Battery etc.) multiple battery cells carry out stacking and the aggregate structure that obtains.The detailed construction of each battery module 21,22,23
As described below.
Described 1st battery module 21 as shown in Figure 4, the vehicle rear region being mounted in set of cells underframe 11.1st
Battery module 21 prepares the battery cell of the rectangular shape using thinner thickness and exists as component unit and by multiple battery cells
The structure that thickness direction stacks and obtains.And, consistent with overall width direction and carry by the stacking direction that makes battery cell
Indulge stacking (such as, vertical stacking 20) and constitute.
Described 2nd battery module 22 and described 3rd battery module 23 are distinguished the most as shown in Figure 4, in set of cells underframe 11
It is positioned at compared with the 1st battery module 21 in the region, vehicle central portion of front side and divides right and left in overall width direction and carry in pairs.Should
2nd battery module the 22 and the 3rd battery module 23 is set to utilize the flat stacked structure of identical pattern formation.That is, preparation is many
Individual (such as, 1 group of 4 stacked body, 2 groups of 5 stacked bodies) single as being constituted using the battery cell of the rectangular shape of thinner thickness
Position and the battery cell of through-thickness stacking multi-disc (such as, 4 and 5) and the structure that obtains.And, the 2nd battery mould
Block the 22 and the 3rd battery module 23 is consisted of following manner, i.e. will be on the stacking direction and vehicle making battery cell
The structure of the flat stacked state that lower direction is consistent is to be such as followed successively by 5 heaps of 4 stacked bodies from rear view of vehicle to vehicle front
5 such modes of stacked body of stack, arrange multiple at vehicle fore-and-aft direction and constitute.2nd battery module 22 such as Fig. 4 institute
Show there is battery module portion, front side 22a, 22b, and height dimension is lower than battery module portion, front side 22a, 22b and 1 battery list
The rear side battery module portion 22c that body is measured accordingly.3rd battery module 23 as shown in Figure 4, have front side battery module portion 23a,
23b, and height dimension rear side battery module with 1 slice battery cell corresponding amount lower than battery module portion, front side 23a, 23b
Portion 23c.
Described homoiothermic wind unit 3 as shown in Figure 4, the right side region in the vehicle front side space being arranged in set of cells underframe 11
Territory, carries homoiothermic wind (cold wind, hot blast) to the air supply duct of set of cells BP.It addition, via the coolant installed in frame front end portion
Tube connector terminal 13 and by vaporizer from coolant to homoiothermic wind unit 3 import.Additionally, heater is moved via rosette 5
Make electric current to import to the ptc heater of homoiothermic wind unit 3.
Described SD switch 4 as shown in Figure 3 and 4, is arranged in the vehicle front side space in set of cells underframe 11
Region, centre portion, is to utilize manual operation mechanically to cut off the switch of battery forceful electric power circuit.Battery forceful electric power circuit will be by having
Each battery module 21,22,23 of internal bus, rosette 5, and SD switch 4 connect via bus each other and are formed.This SD opens
Close 4 when carrying out the inspection of forceful electric power module 112, inverter 113 etc., repairing, part replacement etc., be manually operated split closedown
Close and switch off and switch over.
Described rosette 5 as shown in Figure 3 and 4, the left side in the vehicle front side space being arranged in set of cells underframe 11
Side region, intensively carries out the supply/cut-out/distribution of forceful electric power by relay circuit.In this rosette 5, it is provided with simultaneously
Carry out homoiothermic relay 51 and the homoiothermic controller 52 of the control of homoiothermic wind unit 3.Rosette 5 and power unit PU's is strong
Electricity module 112 connects via battery side forceful electric power bonder terminal 14 and forceful electric power wire harness 111.Rosette 5 and outside electronics
Control system connects via light current bonder terminal 16 and light current wire harness.
Described LB controller 6 as shown in Figure 4, is arranged in the left end face position of the 1st battery module 21, carries out each battery mould
The capacity management temperature treatment voltage management of block 21,22,23.This LB controller 6 is by based on from temperature detection signal
The temperature detection signal of line, from the battery voltage detection value of battery voltage detection line, from battery current signal lines
The calculation process of battery current detection signal, obtains battery capacity information, battery temperature information, battery voltage information.And, LB
Controller 6 and outside electronic control system are via to the on/off information of relay circuit, battery capacity information, battery
The light current wire harness that temperature information etc. carry out transmitting is attached.
[attachment structure of forceful electric power wire harness]
Fig. 5～Fig. 8 is forceful electric power wire harness attachment structure detailed representing set of cells BP of embodiment 1 and power unit PU
Figure.Hereinafter, based on Fig. 5～Fig. 8, the attachment structure of forceful electric power wire harness 111 is described.
The forceful electric power wire harness connecting structure of embodiment 1 is as it is shown in figure 5, have: set of cells BP, and it is arranged in the base plate position of vehicle
Put；Power unit PU, it is arranged in the vehicle front position of set of cells BP；And forceful electric power wire harness 111, it is in set of cells BP
Battery side forceful electric power bonder terminal 14 that leading section is provided with and the cell side forceful electric power bonder terminal being provided with on power unit PU
17 are attached.It addition, the end positions at forceful electric power wire harness 111 is respectively equipped with forceful electric power bonder terminal 18 and forceful electric power connector end
Son 19, this forceful electric power bonder terminal 18 inserts and is connected on battery side forceful electric power bonder terminal 14, this forceful electric power bonder terminal
19 insert and are connected on cell side forceful electric power bonder terminal 17.
Described set of cells BP is as it is shown in figure 5, in its leading section in addition to battery side forceful electric power bonder terminal 14, also set up
Refrigerant pipe bonder terminal 13, ptc heater bonder terminal 15 (heater bonder terminal) and light current adapter
Terminal 16.Refrigerant pipe 30 is connected with refrigerant pipe bonder terminal 13, ptc heater wire harness 31 and ptc heater adapter
Terminal 15 connects, and light current wire harness 32 is connected with light current bonder terminal 16.This set of cells BP is as it is shown in figure 5, be set in set of cells
Mandrel sets with the configuration consistent for central axial line CL of vehicle fore-and-aft direction.
Described power unit PU as it is shown in figure 5, relative to suspension member 33 via front power unit mount 34,35 and
Rear power unit mount 36 is elastically supported at 3.Suspension member 33 is relative to the left and right extended along vehicle fore-and-aft direction
A pair longeron 109,109, is elastically supported by the installation portion 37,37,37,37 of 4.Front power unit mount 34,35
The front side right position of power unit PU is flexibly supported.And, rear power unit mount 36 is to power unit PU's
Rear side central part position flexibly supports.This rear power unit mount 36 is not as it is shown in figure 5, by vehicle fore-and-aft direction
As elastic support points on central axial line CL, but using the position that offsets gently towards left from central axial line CL as resilient support
Point.
Described battery side forceful electric power bonder terminal 14 as shown in Figure 6, by wire harness joint face so that the forceful electric power of forceful electric power wire harness 111
The mode that bonder terminal 18 connects outside overall width direction obliquely relative to vehicle fore-and-aft direction, is set to wire harness connection and inclines
Inclined-plane 14a.This battery side forceful electric power bonder terminal 14 as shown in Figure 8, the floor tunnel portion being arranged in Yu being provided with on floor 100
The position that 100a is facing.And, as shown in Figure 6, wire harness is connected inclined plane 14a horizontal direction tilt angle theta (relative to
The angle of vehicle fore-and-aft direction) it is set as, it is possible to make the forceful electric power wire harness 111 laid towards power unit PU along floor tunnel portion
100a bends the angle (such as, about θ=35 degree) laid obliquely upward.This is owing to utilizing insulation sheath to cover 2 forceful electric power
Line and the beaming limit of forceful electric power wire harness 111 that constitutes is about 200R, need in this beaming limit, along floor tunnel portion 100a
It is curved obliquely upward and lays.If additionally, being set to horizontal direction incline by wire harness being connected the angle of inclination of inclined plane 14a
Rake angle θ, and forceful electric power wire harness 111 is connected with wire harness inclined plane 14a and connects, then before forceful electric power wire harness 111 has relative to vehicle
Rear to and horizontal direction tilt angle theta outside overall width direction.It addition, by forceful electric power wire harness 111 is utilized harness clips 38
Fetter at the interval of regulation, and make forceful electric power wire harness 111 lay along floor tunnel portion 100a.
Described battery side forceful electric power bonder terminal 14 is configured to as shown in Figure 6, has: adapter base portion 14b, it is from battery
The leading section of group BP tilts outside overall width direction and protrudes；And the bonder terminal portion 14c of cylindrical shape, it is with relative to car
Fore-and-aft direction has the mode at angle of inclination and links with this adapter base portion 14b.This adapter base portion 14b is in addition to battery side
Outside forceful electric power bonder terminal 14, also as ptc heater bonder terminal 15 and the adapter of light current bonder terminal 16
Base portion and the common component that uses.That is, ptc heater bonder terminal 15 is by being attached to bonder terminal portion 15a even
Connect and constitute on device base portion 14b.Light current bonder terminal 16 is by being attached to adapter base portion 14b by bonder terminal portion 16a
Above constitute.
On described ptc heater bonder terminal 15, as it is shown in fig. 7, connect the bending of oriented vehicle up direction and run through
The ptc heater on floor 100 wire harness 31.This is owing to the beaming limit of ptc heater wire harness 31 is than forceful electric power wire harness 111
Beaming limit is high, it is possible to be curved with the circular arc of minor radius.And, as shown in Figure 5 and 7, by this ptc heater even
Connect device terminal 15 and be arranged in the adjacent position of battery side forceful electric power bonder terminal 14, and with rear power unit mount 36 at vehicle
The position that fore-and-aft direction is relative.Its result, at the battery side forceful electric power that ptc heater configures with the adjacent position of bonder terminal 15
Bonder terminal 14 is set in relative to rear power unit mount 36 position slightly away on overall width direction.
Below, effect is illustrated.
To set of cells BP in the forceful electric power wire harness connecting structure of the electric automobile of embodiment 1 and the forceful electric power line of power unit PU
Bundle interconnection function illustrates.
In the leading section of set of cells BP of the base plate position being configured at vehicle, battery side forceful electric power bonder terminal 14 is set.Separately
On the one hand, the power unit PU of vehicle front position being configured at set of cells BP arranges cell side forceful electric power bonder terminal
17.And, by each inserting two ends relative to battery side forceful electric power bonder terminal 14 and cell side forceful electric power bonder terminal 17
The forceful electric power bonder terminal 18,19 in portion, and battery side forceful electric power bonder terminal 14 and cell side forceful electric power bonder terminal 17 pass through
Forceful electric power wire harness 111 is attached.When the connection of this forceful electric power wire harness 111, by the wire harness of battery side forceful electric power bonder terminal 14 even
Junction, in the way of making forceful electric power wire harness 111 connect obliquely outside overall width direction relative to vehicle fore-and-aft direction, is set to line
Bundle connects inclined plane 14a.Therefore, before the forceful electric power wire harness 111 being connected with battery side forceful electric power bonder terminal 14 side is relative to vehicle
Rear to and connect obliquely outside overall width direction.
Therefore, even if power unit PU interferes with forceful electric power wire harness 111, power unit PU with relative to vehicle front and back
To and the forceful electric power wire harness 111 that lays obliquely outside overall width direction also becomes the contact caused due to inclination and interferes.That is, as
Shown in Fig. 9, even if power unit PU retreats largely to rear view of vehicle due to generation front shock, also it is only limitted to make by force
The inclination angle outside overall width direction of wirning harness 111 becomes big, or makes the bending quantitative change of forceful electric power wire harness 111 big.
As it has been described above, by being configured to the interference restriction with forceful electric power wire harness 111 of the retrogressing relative to power unit PU
Interfere for the contact that caused by inclination, thus when there is front shock, though power unit PU due to impulsive force to vehicle
Rear retreats, and also can prevent forceful electric power wire harness 111 from damaging.
Its result, compared with situation about being laid along vehicle fore-and-aft direction by forceful electric power wire harness, it is possible to by power unit PU and electricity
The vehicle fore-and-aft direction interval of pond group BP is with the configuration of closer interval, it is possible to increase the vehicle-mounted layout freedom of set of cells.That is,
As described in Example 1, utilize Leaf Spring Suspension 121,121 support about trailing wheel in the case of, it is possible to avoiding and steel
The vehicle front position of the interference of flat spring suspension 121,121, the electricity of the situation formed objects of the suspension of configuration and torque arm formula
Pond group BP.Additionally, in the case of the vehicle wheel base length of vehicle is identical, has and the vehicle fore-and-aft direction size of set of cells BP be taken as
Longer marginal space, by increasing capacitance it is possible to increase the battery cell in set of cells BP carries quantity, increases battery capacity.As it has been described above,
There is the vehicle-mounted layout freedom of set of cells BP configured in the base plate position of vehicle.
In embodiment 1, battery side forceful electric power bonder terminal 14 is arranged in and the floor tunnel being provided with on floor 100
The position that portion 100a is facing.And, use the angle of inclination (horizontal direction tilt angle theta) that wire harness is connected inclined plane 14a
It is set as, it is possible to make the forceful electric power wire harness 111 laid towards power unit PU bend obliquely upward along floor tunnel portion 100a and lay
Angle.
Therefore, forceful electric power wire harness 111 is become under the bending affluence state not arriving beaming limit along floor tunnel portion 100a
Bend the structure laid obliquely upward.It is therefore not necessary to make forceful electric power wire harness 111 bend to beaming limit, and easily carry out along ground
The roundabout of plate channel part 100a lays (with reference to Fig. 8).
In embodiment 1, battery side forceful electric power bonder terminal 14 uses following structure, and it has: adapter base portion 14b,
It protrudes from the leading section of set of cells BP to tilting outside overall width direction；And the bonder terminal portion 14c of cylindrical shape, its with
Link with adapter base portion 14b relative to the mode that vehicle fore-and-aft direction has angle of inclination.
Accordingly, as cylindric bonder terminal portion 14c, by using existing bonder terminal, only change connection
Device base portion 14b, and constitute battery side forceful electric power bonder terminal 14.Therefore, by continuing to use existing bonder terminal, it is possible to low
Cost obtains having wire harness and connects the battery side forceful electric power bonder terminal 14 of inclined plane 14a.
In embodiment 1, use and be set to the wire harness joint face of battery side forceful electric power bonder terminal 14 to have relative to car
The wire harness of fore-and-aft direction and horizontal direction tilt angle theta outside overall width direction connects the structure of inclined plane 14a.
Therefore, by having horizontal direction tilt angle theta in advance, and bending pole forceful electric power wire harness 111 can being had
Limit is only used for the bending to vertical direction, is formed as easily bending the structure laid obliquely upward.Therefore, it is possible to realize from vehicle
The raising of the connection workability of the forceful electric power wire harness 111 of lower section.
In embodiment 1, by the rear side central part position of power unit PU relative to suspension member 33, via rear power list
Unit installation portion 36 and flexibly support.And, use following structure, i.e. be set in by battery side forceful electric power bonder terminal 14
Positioning away from vehicle fore-and-aft direction relative to rear power unit mount 36 in the leading section of set of cells BP.
Therefore, when the retrogressing of power unit PU, relative to rear power unit mount 36, forceful electric power wire harness 111 become by
The structure that the contact caused in inclination is interfered.Therefore, occur front shock time, power unit PU due to impulsive force to
When rear view of vehicle retreats, even if forceful electric power wire harness 111 interferes relative to rear power unit mount 36, also can prevent forceful electric power line
Bundle 111 damage.
In embodiment 1, following structure is used, i.e. heater bonder terminal 15 is arranged in battery side forceful electric power even
Connect the adjacent position of device terminal 14 and with rear power unit mount 36 in the relative position of vehicle fore-and-aft direction.
Therefore, following structure is become, i.e. battery side forceful electric power bonder terminal 14 is set in, from relative to rear power unit
Installation portion 36 on vehicle fore-and-aft direction relative to position to overall width direction slightly offset from position.Therefore, front portion is being occurred to touch
When hitting, when power unit PU retreats to rear view of vehicle due to impulsive force, relative to the forceful electric power of rear power unit mount 36
The contact caused by the inclination interference of wire harness 111 alleviates, and on this basis, prevents rear power unit mount 36 and battery side strong
The interference of electric connector terminal 14.
Below, effect is illustrated.
In the forceful electric power wire harness connecting structure of the electric automobile of embodiment 1, it is possible to obtain the effect being exemplified below.
(1) the forceful electric power wire harness connecting structure of electric vehicle (electric automobile) has: set of cells BP, and it is arranged in the end of vehicle
Board position；Power unit PU, it is arranged in the vehicle front position of described set of cells BP；And forceful electric power wire harness 111, it is in institute
State the battery side forceful electric power bonder terminal 14 that the leading section of set of cells BP is provided with and the unit being provided with on described power unit PU
Side forceful electric power bonder terminal 17 is attached,
In the forceful electric power wire harness connecting structure of this electric vehicle (electric automobile),
By the wire harness joint face of described battery side forceful electric power bonder terminal 14 so that described forceful electric power wire harness 111 is relative to vehicle
Fore-and-aft direction and the mode that connects obliquely outside overall width direction is set to wire harness and connects inclined plane 14a (Fig. 5).
Therefore, when front shock occurs, even if power unit PU retreats to rear view of vehicle due to impulsive force, also can prevent
Only forceful electric power wire harness 111 damages.Its result, compared with situation about being laid along vehicle fore-and-aft direction by forceful electric power wire harness, it is possible to by power
The vehicle fore-and-aft direction interval of unit PU and set of cells BP is with the configuration of closer interval, it is possible to increase the vehicle-mounted cloth of set of cells BP
Office's degree of freedom.
(2) described battery side forceful electric power bonder terminal 14 is arranged in and the floor tunnel portion being provided with on floor 100
The position that 100a is facing,
By described wire harness connect inclined plane 14a angle of inclination (horizontal direction tilt angle theta) be set as, it is possible to make towards
The described forceful electric power wire harness 111 that described power unit PU lays bends, along described floor tunnel portion 100a, the angle laid obliquely upward
(Fig. 8).
Therefore, on the basis of the effect of (1), it is not necessary to make forceful electric power wire harness 111 bend to beaming limit, and can be easily
Carry out the roundabout laying task of forceful electric power wire harness 111 along floor tunnel portion 100a.
(3) described battery side forceful electric power bonder terminal 14 is configured to, and has: adapter base portion 14b, it is from described set of cells
The leading section of BP tilts outside overall width direction and protrudes；And the bonder terminal portion 14c of cylindrical shape, it is with relative to vehicle
Fore-and-aft direction has the mode at angle of inclination and links (Fig. 6) with this adapter base portion 14b.
Therefore, on the basis of the effect of (1) or (2), it is possible to by continuing to use existing bonder terminal, only to adapter
Base portion 14b changes, thus obtains having wire harness with low cost and connect the battery side forceful electric power bonder terminal of inclined plane 14a
14。
(4) wire harness of described battery side forceful electric power bonder terminal 14 connects inclined plane 14a be set to have relative to vehicle
The wire harness of fore-and-aft direction and horizontal direction tilt angle theta outside overall width direction connects inclined plane (Fig. 6).
Therefore, on the basis of the effect of (1)～(3), it is possible to by beaming limit that forceful electric power wire harness 111 is had only
For to the bending of vertical direction, and realize the raising of the connection workability of the forceful electric power wire harness 111 from under-vehicle.
(5) by the rear side central part position of described power unit PU relative to suspension member 33, pacify via rear power unit
Dress portion 36 and flexibly support,
Described battery side forceful electric power bonder terminal 14 is set in the leading section of described set of cells BP relative to described
Rear power unit mount 36 positions away from (Fig. 5) at vehicle fore-and-aft direction.
Therefore, on the basis of the effect of (1)～(4), even if forceful electric power wire harness 111 configures relative in power unit PU
Rear power unit mount 36 in vehicle rearmost part position interferes, it is also possible to prevent forceful electric power wire harness 111 from damaging.
(6) arrange in the leading section of described set of cells BP and run through what the heater wire harness 31 on described floor 100 was connected
Heater bonder terminal 15,
Described heater bonder terminal 15 is arranged in the adjacent position of described battery side forceful electric power bonder terminal 14
And with described rear power unit mount 36 in the relative position (Fig. 7) of vehicle fore-and-aft direction.
Therefore, on the basis of the effect of (5), by making battery side forceful electric power bonder terminal 14 relative to rear power unit
Installation portion 36 along overall width direction slightly offset from, thus when the retrogressing of power unit PU, it is possible to alleviate relative to rear power unit
The contact caused by inclination of the forceful electric power wire harness 111 of installation portion 36 is interfered, on this basis it is possible to prevent rear power unit from installing
Portion 36 and the interference of battery side forceful electric power bonder terminal 14.
Above, based on embodiment 1, the forceful electric power wire harness connecting structure of the electric vehicle of the present invention is illustrated, but for
Concrete structure, is not limited to the present embodiment 1, wanting without departing from the invention involved by each claim in claims
Purport, allows the change being designed, adds.
In embodiment 1, as the wire harness joint face of battery side forceful electric power bonder terminal 14, it is shown that be set to that there is level side
The example of inclined plane 14a is connected to the wire harness of tilt angle theta.But as the wire harness joint face of battery side forceful electric power bonder terminal,
As long as the face that forceful electric power wire harness connects outside overall width direction obliquely relative to vehicle fore-and-aft direction, it is also possible to be to set
The example of inclined plane is connected for having the wire harness at angle of inclination obliquely upward.
In embodiment 1, it is shown that the forceful electric power wire harness connecting structure of the present invention is applied and is only taking as traveling driving source
Example in the electric automobile of the station wagon type being loaded with electric drive motor.But the forceful electric power wire harness of the electric vehicle of the present invention
Connecting structure can be applied at various electric automobiles such as the car-shaped in addition to station wagon type, lorry type, SUV types
In, this is natural.Additionally, for being equipped with the mixing of electric drive motor and electromotor as traveling driving source
The electric automobile (mixed power electric car) of power type, it is also possible to application.In brief, as long as utilize forceful electric power wire harness to
Battery side forceful electric power bonder terminal that the leading section of set of cells is provided with and the cell side forceful electric power adapter being provided with on power unit
The electric vehicle that terminal is attached, it becomes possible to application.
Association request cross-referenced
The application is preferential based on the Japanese Patent Application 2012-186036 application applied for the Japanese Patent Room on August 27th, 2012
Power, using this application entire disclosure as with reference to being fully introduced in this specification.
Claims (6)
1. a forceful electric power wire harness connecting structure for electric vehicle, it has:
Set of cells, it is arranged in the base plate position of vehicle；
Power unit, it is arranged in the vehicle front position of described set of cells；And
Forceful electric power wire harness, battery side forceful electric power bonder terminal that the leading section in described set of cells is provided with by it and at described power list
The cell side forceful electric power bonder terminal that unit is provided with is attached,
The forceful electric power wire harness connecting structure of this electric vehicle is characterised by,
By the wire harness joint face of described battery side forceful electric power bonder terminal, so that described forceful electric power wire harness is relative to vehicle fore-and-aft direction
And the mode that lateral bend lays outside overall width direction, be set to the forceful electric power bonder terminal of described forceful electric power wire harness relative to vehicle before and after
Direction and the wire harness that connects obliquely outside overall width direction connects inclined plane.
The forceful electric power wire harness connecting structure of electric vehicle the most according to claim 1, it is characterised in that
The position that the floor tunnel portion that is arranged in by described battery side forceful electric power bonder terminal and be provided with on floor is facing,
The angle of inclination that described wire harness connects inclined plane is set as, it is possible to make the described forceful electric power laid towards described power unit
Wire harness bends, along described floor tunnel portion, the angle laid obliquely upward.
The forceful electric power wire harness connecting structure of electric vehicle the most according to claim 1 and 2, it is characterised in that
Described battery side forceful electric power bonder terminal is configured to, and has: adapter base portion, its from the leading section of described set of cells to car
Tilt outside cross direction and protrude；And the bonder terminal portion of cylindrical shape, it is to have inclination relative to vehicle fore-and-aft direction
The mode of angle links with this adapter base portion.
The forceful electric power wire harness connecting structure of electric vehicle the most according to claim 1 and 2, it is characterised in that
The wire harness of described battery side forceful electric power bonder terminal is connected inclined plane be set to have relative to vehicle fore-and-aft direction to
The wire harness at the horizontal direction angle of inclination outside overall width direction connects inclined plane.
The forceful electric power wire harness connecting structure of electric vehicle the most according to claim 1 and 2, it is characterised in that
By the rear side central part position of described power unit relative to suspension member, carry out bullet via rear power unit mount
Property support,
Described battery side forceful electric power bonder terminal is set in the leading section of described set of cells relative to described rear power list
Unit installation portion and position away from vehicle fore-and-aft direction.
The forceful electric power wire harness connecting structure of electric vehicle the most according to claim 5, it is characterised in that
Arrange in the leading section of described set of cells and run through the heater adapter that the heater wire harness on described floor is connected
Terminal,
Described heater bonder terminal is arranged in the adjacent position of described battery side forceful electric power bonder terminal and with described
Rear power unit mount on vehicle fore-and-aft direction relative to position.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-186036 | 2012-08-27 | ||
| JP2012186036 | 2012-08-27 | ||
| PCT/JP2013/070941 WO2014034377A1 (en) | 2012-08-27 | 2013-08-01 | High-voltage harness connection structure for electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104602969A CN104602969A (en) | 2015-05-06 |
| CN104602969B true CN104602969B (en) | 2016-11-30 |
Family
ID=
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1440834A1 (en) * | 2003-01-22 | 2004-07-28 | HONDA MOTOR CO., Ltd. | Vehicle power cables retaining structure |
| CN1964147A (en) * | 2005-11-10 | 2007-05-16 | 日产自动车株式会社 | Harness routing structure for vehicle |
| CN102088171A (en) * | 2009-12-07 | 2011-06-08 | 矢崎总业株式会社 | Wiring harness and method of providing wiring structure of the same |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1440834A1 (en) * | 2003-01-22 | 2004-07-28 | HONDA MOTOR CO., Ltd. | Vehicle power cables retaining structure |
| CN1964147A (en) * | 2005-11-10 | 2007-05-16 | 日产自动车株式会社 | Harness routing structure for vehicle |
| CN102088171A (en) * | 2009-12-07 | 2011-06-08 | 矢崎总业株式会社 | Wiring harness and method of providing wiring structure of the same |
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