CN105870368A - Storage battery unit - Google Patents
Storage battery unit Download PDFInfo
- Publication number
- CN105870368A CN105870368A CN201510977501.XA CN201510977501A CN105870368A CN 105870368 A CN105870368 A CN 105870368A CN 201510977501 A CN201510977501 A CN 201510977501A CN 105870368 A CN105870368 A CN 105870368A
- Authority
- CN
- China
- Prior art keywords
- battery module
- rigid body
- subsidiary engine
- cold
- producing medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Secondary Cells (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention provides a storage battery unit capable of promoting heat radiation of an auxiliary device arranged below a storage battery module and preventing heat energy from staying in the unit; the storage battery unit comprises the storage battery module (11) having a plurality of batteries, and a storage battery frame (14) keeping the storage battery module (11) relative to the vehicle frame members, wherein the storage battery unit is configured in a space below the vehicle luggage tank; the storage battery frame comprises a frame assemble body (20) configured above the storage battery module (11), a lower rigid body (30) arranged below the storage battery module (11), and a connecting member (40) connecting the frame assemble body (20) with the lower rigid body (30) made of metal; the bottom surface of the lower rigid body (30) is provided with a DC-DC converter (12).
Description
Technical field
The present invention relates to a kind of accumulator arranged in the vehicle such as electric vehicle or motor vehicle driven by mixed power
Unit.
Background technology
Using motor as driving in the vehicles such as the electric vehicle in source or motor vehicle driven by mixed power, generally set
There is the secondary battery unit having housed multiple accumulator (high tension battery).Such as, at patent documentation 1
In disclose a kind of secondary battery unit (vehicle power source device), it possesses the storage with multiple monomer
Battery, the configuration of the lower section of accumulator subsidiary engine, house the housing of multiple accumulator and subsidiary engine, and should
Secondary battery unit is arranged under the luggage case of vehicle.
Citation
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2014-46814 publication
The problem that invention is to be solved
In the secondary battery unit of patent documentation 1, be configured with subsidiary engine in the lower section of accumulator, therefore because of
The heating of subsidiary engine and heat is easily stagnated in housing.Accordingly, it would be desirable to implement the cooling of subsidiary engine and be used for
Make the countermeasure that the heat in housing is released.
Summary of the invention
It is an object of the invention to provide a kind of can promote the lower section of battery module configuration auxiliary
The heat radiation of machine, and the secondary battery unit of the stagnation of heat in unit can be suppressed.
For solving the scheme of problem
In order to achieve the above object, a first aspect of the present invention is that secondary battery unit is (such as, described later
The secondary battery unit 100 of embodiment), it possesses:
Battery module (such as, the battery module 11 of embodiment described later), it has many
Individual accumulator (such as, accumulator 11a of embodiment described later)；And
Accumulator framework (such as, the accumulator framework 14 of embodiment described later), it is by this storage
Battery module is carried out relative to the frame member of vehicle (such as, the vehicle 1 of embodiment described later)
Keep,
Described secondary battery unit is arranged under the base plate of described vehicle (such as, embodiment described later
Underlying space 5), wherein,
Described accumulator framework has: the upside rigid body (example of configuration above described battery module
As, the framework assembly 20 of embodiment described later)；Configure in the lower section of described battery module
Downside rigid body (such as, the downside rigid body 30 of embodiment described later)；And by firm on the upside of this
Body and the coupling member (such as, the coupling member 40 of embodiment described later) that on the downside of this, rigid body links,
Described downside rigid body is metal system,
Lower face side at described downside rigid body is provided with subsidiary engine (such as, embodiment described later
Dc-dc 12).
A second aspect of the present invention on the basis of a first aspect of the present invention, electric power storage described at least two
Pond module (such as, direction before and after embodiment described later) in the first direction is arranged and constitutes
Battery module group (such as, battery module group 11L of embodiment described later, 11R),
Described secondary battery unit possesses makes heat outside to described battery module group the supply system cryogen
The cooling body (such as, the cooling body 18 of embodiment described later) that portion releases,
Described cooling body has cooling end and forms component (such as, the cooling end of embodiment described later
Form component 120), this cooling end formation component is formed and makes described cold-producing medium from cold-producing medium accumulating part
(such as, cold-producing medium accumulating part 112b of embodiment described later) flows to described downside rigid body
Opening (such as, the right openings 123 of embodiment described later, left side opening 124), this refrigeration
Agent accumulating part is arranged between the described battery module being arranged along described first direction.
A third aspect of the present invention is on the basis of a second aspect of the present invention, and described cooling end forms structure
Part is opposed with the upper surface of described downside rigid body, thus it is the most auxiliary to form the space for the flowing of described cold-producing medium
Machine cooling end (such as, the subsidiary engine cooling end 121 of embodiment described later),
Described subsidiary engine has radiating part (such as, the fin of embodiment described later at upper surface
12b), this radiating part exposes in described subsidiary engine cooling end.
A fourth aspect of the present invention is on the basis of a third aspect of the present invention, and described cooling end forms structure
Part is resin-made.
A fifth aspect of the present invention on the basis of the 3rd or the fourth aspect of the present invention, at least two institute
State battery module group along second direction (such as, the described later enforcement orthogonal with described first direction
The left and right directions of mode) it is arranged,
Described second direction is the length direction of described battery module,
Formed at described cooling end and be formed with the first opening (such as, embodiment described later on component
Left side opening 124) and the second opening (such as, the right openings 123 of embodiment described later),
Described first opening makes described cold-producing medium be positioned at side (such as, embodiment described later from composition
Left side) described battery module group described battery module between arrange described cold-producing medium stockpile
Flowing to described downside rigid body in portion, described second opening makes described cold-producing medium be positioned at opposite side from composition
The described battery module of the described battery module group on (such as, the right side of embodiment described later)
Between arrange described cold-producing medium accumulating part to described downside rigid body flow,
In described subsidiary engine cooling end,
In said first direction, side (such as, the enforcement described later of described first opening is being clipped
The front side of mode), described radiating part exposes, and is clipping the opposite side (example of described first opening
As, the rear side of embodiment described later) it is formed with the cold-producing medium discharge for being discharged by described cold-producing medium
Mouth (such as, the cold-producing medium outlet 125 of embodiment described later),
Rectification part (such as, embodiment described later it is formed with in the described side of described second opening
Rectification fin 126,127,128), the described refrigeration that this rectification part will flow into from described second opening
Agent guides towards described radiating part.
A sixth aspect of the present invention on the basis of a fifth aspect of the present invention, opening of described second opening
Open area is bigger than the aperture area of described first opening.
A seventh aspect of the present invention in first to the 6th aspect of the present invention on the basis of either side,
Described battery module, described accumulator framework and described subsidiary engine are (such as, aftermentioned to be contained in housing
The housing 15 of embodiment) state be arranged under the base plate of described vehicle,
Described subsidiary engine is arranged in the vehicle front side of described downside rigid body,
Described housing has bellying (such as, the reality described later bloated downwards housing described subsidiary engine
Execute the bellying 15a of mode),
This bellying is located under the base plate of described vehicle crossbeam (such as, the embodiment party described later configured
The crossbeam 8 of formula) front side.
Invention effect
According to the first aspect of the invention, the subsidiary engine configured in the lower section of battery module is kept
Downside rigid body be metal system, therefore the heat radiation of subsidiary engine is promoted, and can suppress secondary battery unit
The stagnation of interior heat.
According to the second aspect of the invention, the cold-producing medium of battery module group it is supplied to being provided with subsidiary engine
Downside rigid body flowing, therefore, it is possible to by this cold-producing medium while battery module is cooled down also
Subsidiary engine is cooled down.
According to the third aspect of the invention we, between cooling end formation component and downside rigid body, it is formed with work
For the subsidiary engine cooling end in refrigerant flow path space, and the radiating part of subsidiary engine reveals in this subsidiary engine cooling end
Go out, therefore, it is possible to subsidiary engine is reliably cooled down.
According to the fourth aspect of the invention, the cooling end of the upper surface forming subsidiary engine cooling end forms component
For the resin-made that thermal conductivity ratio metal is low, therefore heat easily dispels the heat to the transmission of downside rigid body.
According to the fifth aspect of the invention, cool the cold-producing medium after battery module to distribute to via auxiliary
The radiating part of machine and the stream discharged from cold-producing medium outlet and not via subsidiary engine radiating part and from system
The stream that cryogen outlet is discharged.Therefore, with the whole amount cooling the cold-producing medium after battery module
Situation about supplying to the radiating part of subsidiary engine is compared, it is possible to reduce the pressure loss.
According to the sixth aspect of the invention, cold-producing medium is via entrance that is of the stream of the radiating part of subsidiary engine
The open area ratio cold-producing medium of two openings is opened not via entrance that is first of the stream of the radiating part of subsidiary engine
The aperture area of mouth is big, therefore, it is possible to reliably ensure that the necessary stream of the cold-producing medium cooling down subsidiary engine
Amount.
According to the seventh aspect of the invention, battery module, accumulator framework and subsidiary engine are being arranged in
Time under the base plate of vehicle, subsidiary engine is arranged in the vehicle front side of downside rigid body, therefore, it is possible to shorten to car
The output cord of the subsidiary engine that front is drawn.It addition, the bellying housing the housing of subsidiary engine is positioned at crossbeam
Front side, therefore, it is possible to when alleviating vehicle collision to subsidiary engine apply load.
Accompanying drawing explanation
Fig. 1 is the row of the vehicle representing the secondary battery unit being configured with an embodiment of the invention
The axonometric chart of Lee's case.
Fig. 2 is the exploded perspective view of the secondary battery unit of Fig. 1.
Fig. 3 is the exploded perspective view of accumulator framework.
Fig. 4 is to represent battery module and the axonometric chart of passage class.
Fig. 5 is the sectional view in the front representing spare tyre pit (tire pan).
In Fig. 6, (a) is the axonometric chart of the lower face side representing that cooling end forms component, and (b) is table
Show that cooling end forms the axonometric chart of the upper surface side of component.
Fig. 7 is the top view of the downside rigid body comprising subsidiary engine cooling end.
Symbol description:
1 vehicle
3 luggage cases
5 underlying space
11 battery modules
11a accumulator
11L, 11R battery module group
12DC-DC transducer (subsidiary engine)
12b fin (radiating part)
14 accumulator frameworks
18 cooling bodies
20 framework assemblies (upside rigid body)
Rigid body on the downside of in the of 30
40 coupling members
100 secondary battery units
112b cold-producing medium accumulating part
120 cooling ends form component
121 subsidiary engine cooling ends
123 right openings (the second opening)
Opening (the first opening) on the left of in the of 124
125 cold-producing medium outlets
126,127,128 rectification fin (rectification part)
Detailed description of the invention
Hereinafter, based on accompanying drawing, an embodiment of the secondary battery unit of the present invention is illustrated.
It should be noted that accompanying drawing along symbol towards viewing, in the following description, around,
Up and down according to the direction watched from driver, in the drawings, the front of vehicle is expressed as Fr, after
Side is expressed as Rr, left side is expressed as L, right side is expressed as R, indicated above be expressed as U, lower section
D。
[vehicle]
Fig. 1 is the luggage case 3 of the vehicle 1 of the secondary battery unit 100 representing and being configured with present embodiment
Axonometric chart.
As it is shown in figure 1, be configured with the vehicle 1 of the secondary battery unit 100 of present embodiment at back seat
The rear of 2 has luggage case 3.It is formed with spill by spare tyre pit 4 in the lower section of luggage case 3
The underlying space 5 of shape, configures the secondary battery unit 100 of present embodiment in this underlying space 5.
[secondary battery unit]
Fig. 2 is the exploded perspective view of the secondary battery unit 100 of present embodiment, and Fig. 3 is accumulator frame
The exploded perspective view of frame 14, Fig. 4 is to represent battery module 11 and the axonometric chart of passage class, Fig. 5
It it is the sectional view in the front representing spare tyre pit 4.
As shown in Fig. 2～Fig. 5, the secondary battery unit 100 of present embodiment possesses: have multiple storage
The battery module 11 of battery 11a；Dc-dc 12 as subsidiary engine；As electrically installing
Accumulator ECU13 of parts；To battery module 11, dc-dc 12 and accumulator
ECU13 carries out the accumulator framework 14 kept；The housing 15 that above-mentioned parts are housed；By shell
The cover 16 that the upper opening of body 15 covers；And to battery module 11 and dc-dc
12 carry out cooling down and the cooling body 18 that makes heat release to outside, as it is shown in figure 1, by will be from
The fixed part 14a of the accumulator framework 14 that housing 15 highlights to the left and right is fixed on the skeleton structure of vehicle 1
Part (not shown), thus secondary battery unit 100 is configured at the underlying space 5 of luggage case 3.
[battery module]
Battery module 11 is rectangular shape, with its length direction along left and right directions (overall width direction)
Mode be arranged in secondary battery unit 100.In each battery module 11, longitudinal multiple storages
Battery 11a arranges in left-right direction and configures.Here, the longitudinal the shortest edge referred in three limits is left
The meaning that right direction extends.It addition, between adjacent accumulator 11a, formed along fore-and-aft direction
There is the cooling flowing path 11b of stream as cooling wind described later.The front side of cooling flowing path 11b and rear side
Opening, upside and downside are by inaccessible airtightly.
The secondary battery unit 100 of present embodiment has four battery modules 11, these four electric power storages
Pond module 11 is to be arranged with two battery modules 11 in left-right direction and (vehicle is long along the longitudinal direction
Degree direction) mode that is arranged with two battery modules 11 is arranged in secondary battery unit 100.Change
Yan Zhi, the battery module in the left side being made up of two battery modules 11 arranged along the longitudinal direction
Group 11L and the accumulator mould on right side being made up of two battery modules 11 arranged along the longitudinal direction
Block group 11R arranges along left and right directions.As shown in Figure 4, in the accumulator of the left and right of front side configuration
The leading section of module 11 is embedded front side channel 111 airtightly, and on the other hand, rearward end is airtight
Center-aisle 112 about ground embedding.It addition, the battery module 11 of the left and right in rear side configuration
Rearward end embedded back side walkway 113 airtightly, on the other hand, leading section is embedded a left side airtightly
Right center-aisle 112.Front side channel 111, center-aisle 112 and back side walkway 113 are with aftermentioned
Introduction channel 114,115, branched bottom 116, cooling fan 117, air intake passage 118, row
Gas passage 119 and cooling end form component 120 and constitute above-mentioned cooling body 18 together.
Cooling wind introducing port it is formed with on the right-hand member top of front side channel 111 and back side walkway 113
111a, 113a, each cooling wind introducing port 111a, 113a respectively via introduction channel 114,115 and
Branched bottom 116 and with cooling fan 117 connect.Cooling fan 117 is via air intake passage 118
The cooling wind (air after being regulated by air) as cold-producing medium is sucked from the car room 6 of vehicle 1, and
And by suck cooling wind via branched bottom 116 and introduction channel 114,115 forward side passage
111 and back side walkway 113 inside send into.It is fed to front side channel 111 and back side walkway 113
Inside cooling wind as shown in phantom in figure 4, flow into the cooling flowing path of each battery module 11
11b and after accumulator 11a is cooled down, arrive the cold-producing medium accumulating part in center-aisle 112
112b.Reach the cooling wind after cold-producing medium accumulating part 112b of center-aisle 112 via in centre
Tap 112a that the bottom of passage 112 is formed and subsidiary engine to the lower section being positioned at battery module 11
Cooling end 121 (with reference to Fig. 3) is discharged, and changes DC-DC in subsidiary engine cooling end 121
After device 12 cools down, from the exhaust passage 119 arranged at the rear portion of secondary battery unit 100 to
The underlying space 5 of luggage case 3 is discharged, and returns to the car room 6 of vehicle 1 via this underlying space 5.
[accumulator framework]
As it is shown on figure 3, accumulator framework 14 possesses: the work of configuration above battery module 11
Framework assembly 20 for upside rigid body；Downside rigid body 30 in the configuration of the lower section of battery module 11；
Multiple coupling members 40 that downside rigid body 30 and framework assembly 20 are linked；And in accumulator
The rear portion protection component 50 of the rear configuration of module 11.The upper surface of downside rigid body 30 is provided with
Cooling end forms component 120, and this cooling end forms component 120 together with downside rigid body 30 in inside
Form subsidiary engine cooling end 121.
[framework assembly]
Framework assembly 20 is the frame-shaped framework under vertical view in ladder-shaped, and it has along accumulator mould
The i.e. left and right directions of the length direction of block 11 extend front frame member 21 and back frame member 22,
Four link rigid bodies 23 that front frame member 21 and back frame member 22 are linked.
The front frame member 21 of present embodiment, back frame member 22 and link rigid body 23 are equal
Formed through stamping-out and the bending machining of sheet metal.Front frame member 21 and rear frame structure
Part 22 has the rectangular tube shape of hollow form, at their both ends, left and right integrally provided with fixed part
14a, and the frame member being fixed on vehicle 1 as described above via this fixed part 14a (do not schemes
Show).The front frame member 21 cross sectional shape at the connecting portion being connected with link rigid body 23 is big,
A part between adjacent connecting portion, cross sectional shape diminishes.Front side channel 111 is via logical in front side
Four tops that the top in road 111 is extended are installed arm 111b (with reference to Fig. 4) and pass through bolt
It is tightening and linked in front frame member 21, upper via at back side walkway 113 of back side walkway 113
Arm 113b (with reference to Fig. 4) the company of being fastened by bolts are installed in top, two, extended left and right, portion
Knot is in back frame member 22.It should be noted that it is downward in the central authorities of back side walkway 113
The central arm 113c stretching setting is provided with clamping element (clip), for rear portion is protected component 50
Interim fixing.Multiple link rigid bodies 23 have a cross section reverse U shape shape of opening downwards, and with even
The upper end of structural member 40 links, via this coupling member 40 by battery module 11 to suspend shape in midair
State keeps.
Framework assembly 20 passes using the load forwards transmitted as impact when being collided by rear view of vehicle
Pass (load pass) component and the mode of function is constituted.If that is, when rear view of vehicle collides to
Rear portion protection component 50 is applied with rearward collision load, then this rearward collision load is to framework assembly
The back frame member 22 of 20 inputs, and the anteriorly framework structure via multiple link rigid bodies 23
Part 21 transmits.
[downside rigid body]
Downside rigid body 30 is the metal tabular rigid body of the bottom constituting secondary battery unit 100, this
The downside rigid body 30 of embodiment is formed by aluminum casting.Downside rigid body 30 and coupling member 40 times
End links, and is held in framework assembly 20 via this coupling member 40 with suspended state.
Downside rigid body 30 is using the load transmission forwards transmitted as impact when being collided by rear view of vehicle
Component and the mode of function are constituted.That is, if posteriorly protecting component when rear view of vehicle collides
50 are applied with rearward collision load, then this rearward collision load inputs to downside rigid body 30, and via
Downside rigid body 30 and forwards transmit.
As in figure 2 it is shown, impact during in order to be collided by rear view of vehicle is the most forwards transmitted, under
The lower surface portion of side rigid body 30 is formed with the multiple rib groups 31 along fore-and-aft direction side by side.Such as Fig. 3
Shown in, in order to reliably input rearward collision load, after each rib group 31 from rear portion protection component 50
End 31a is more prominent compared with other positions of downside rigid body 30 to be formed, in order to downside
The front layout structure of rigid body 30 is (in the present embodiment, for the front wall portion 4a (ginseng of spare tyre pit 4
According to Fig. 5)) reliably transmit rearward collision load, the leading section 31b of each rib group 31 and downside rigid body
More prominent formation is compared at other positions of 30.It addition, front side channel 111 is via in front side
Four lower mounting arm portion 111c that the bottom of passage 111 is extended are also fastened by bolts link
Near the leading section 31b of each rib group 31.
Lower surface portion at downside rigid body 30 is configured with dc-dc 12.In present embodiment
In, when the lower surface area edge of downside rigid body 30 is all around divided into four parts, becoming
Left front lower surface area configuration dc-dc 12.Dc-dc 12 possesses transducer
Main body 12a and erect the fin 12b being provided as radiating part on the upper surface of which, and should
Dc-dc 12 is mounted to the transducer installing hole relative to downside rigid body 30 as follows
32 is through, i.e. makes switch main body 12a be positioned at the lower face side of downside rigid body 30, and makes heat radiation
Sheet 12b is positioned at the upper surface side of downside rigid body 30 and exposes to subsidiary engine cooling end 121.Need
Bright, as in figure 2 it is shown, housing 15 has the bellying 15a bloated downwards in front side,
Dc-dc 12 is housed in this bellying 15a.
Dc-dc 12 is the high pressure system that the DC current to battery module 11 carries out transformation
Equipment, the DC current after transformation via the DC line 17 (with reference to Fig. 5) as output cord to
Not shown inverter supply in the anterior configuration of vehicle 1.DC line 17 is from the front table of housing 15
Side, face is drawn, and via the not shown fairlead formed on the front wall portion 4a of spare tyre pit 4
And draw from spare tyre pit 4, and by the anterior guiding of vehicle 1.In the present embodiment, DC-DC
Transducer 12 is arranged in the vehicle front side of downside rigid body 30, draws therefore, it is possible to shorten to vehicle front
The DC line 17 gone out.
[coupling member]
The coupling member 40 of present embodiment is formed through stamping-out and the bending machining of sheet metal,
End is provided with the upside fixed part 41 being fixed on framework assembly 20 thereon, on the other hand, at it
Bottom is provided with the downside fixed part 42 being fixed on downside rigid body 30.It addition, at coupling member 40
Pars intermedia up and down be formed with accumulator installation portion 43, by this accumulator installation portion 43 install
The left and right end portions of battery module 11, thus battery module 11 via coupling member 40 with outstanding
The state of hanging is held in framework assembly 20.
[rear portion protection component]
As it is shown on figure 3, rear portion protection component 50 be for when rear view of vehicle collides to accumulator list
The rear portion of unit 100 carry out impact when protecting and rear view of vehicle is collided to framework assembly 20 and under
The component of side rigid body 30 transmission, rear portion protection component 50 the rushing through sheet metal of present embodiment
Cut out and bending machining and formed.It is provided with in the upper end of rear portion protection component 50 and is fixed on framework assembling
Four upside fixed parts 51 of the back frame member 22 of body 20, on the other hand, set in bottom
There are four the downside fixed parts 52 being fixed on downside rigid body 30.Four upside fixed part 51 with rear
Arm 113b (with reference to Fig. 4) one is installed on the top, two, left and right that the top of wing passage 113 is extended
Play the rear surface being fixed on back frame member 22 at the rear position linking rigid body 23.So,
By upside fixed part 51 is fixed on back frame member 22 such that it is able to assemble to as framework
The link rigid body 23 of the main load transfer path of body 20 reliably transmits rearward collision load.Separately
Outward, four downside fixed parts 52 with under two, the left and right that the bottom of back side walkway 113 is extended
The rear end that arm 113d (with reference to Fig. 4) is fixed on each rib group 31 of downside rigid body 30 together is installed in portion
Portion 31a, thus to the rib group 31 of the main load transfer path as downside rigid body 30 reliably
Transmission rearward collision load.
[installation of secondary battery unit]
The secondary battery unit 100 constituted as described above is pre-assembled, and is arranged on as unit
On vehicle 1.Specifically, by consolidating the accumulator highlighted to the left and right from housing 15 framework 14
Determine portion 14a to be fixed on the frame member of vehicle 1, thus join in the underlying space 5 of luggage case 3
Put secondary battery unit 100.Now, as it is shown in figure 5, so that contain dc-dc 12
The bellying 15a of housing 15 is located at the crossbeam of the lower section configuration of spare tyre pit 4 (underlying space 5)
The mode of the front side of 8 configures secondary battery unit 100.
[cooling of subsidiary engine]
Then, with reference to Fig. 6 (a), (b) and Fig. 7, the cooling structure to dc-dc 12
Illustrate.Fig. 6 (a) is to represent that the cooling end arranged on the upper surface of downside rigid body 30 is formed
The axonometric chart of the lower face side of component 120, (b) is to represent the upper surface that cooling end forms component 120
The axonometric chart of side.Fig. 7 is the top view of the downside rigid body 30 comprising subsidiary engine cooling end 121.
As shown in Fig. 6 (a), resinous cooling end forms component 120 by by substantially L-shaped
The edge bending of a sheet material and formed, thus be provided with recess 122 in lower face side.Cold by making
But the recess 122 of portion's formation component 120 is opposed with the upper surface of the downside rigid body 30 shown in Fig. 7,
Thus also as it is shown on figure 3, form the space i.e. subsidiary engine cooling end 121 of cold-producing medium flowing.At cooling end
Formed and be formed with the right openings 123 corresponding with battery module group 11R on right side on component 120
And the left side opening 124 corresponding with battery module group 11L in left side.Right openings 123 makes supply
To the cooling wind of battery module group 11R on right side via the tap of the center-aisle 112 on right side
112a and flow into subsidiary engine cooling end 121.Equally, left side opening 124 makes to be supplied to the storage in left side
Group of battery modules 11L cooling wind via the center-aisle 112 in left side tap 112a and to auxiliary
Machine cooling end 121 flows into.It addition, at the rear of left side opening 124, be formed for being flowed into
The cold-producing medium outlet 125 that the cooling wind of subsidiary engine cooling end 121 is discharged, from right openings 123 and a left side
The cooling wind that side opening 124 is flowed in subsidiary engine cooling end 121 from cold-producing medium outlet 125 via row
Gas passage 119 and discharge to the underlying space 5 of luggage case 3.
As it is shown in fig. 7, dc-dc 12 is configured to, fin 12b is at left side opening 124
Anterior position at expose in subsidiary engine cooling end 121, cold-producing medium outlet 125 be arranged in relative to
Fin 12b and clip left side opening 124 position.It addition, form component 120 at cooling end
Recess 122 in, be formed for being flowed in subsidiary engine cooling end 121 from right openings 123
The rectification fin 126,127,128 that cooling wind direction left front guides.Therefore, from right openings 123
The cooling wind being flowed in subsidiary engine cooling end 121 is by the subsidiary engine cooling flowing path shown in arrow in Fig. 7
131 and guided to the fin 12b side of dc-dc 12.Further, formed at cooling end
In the recess 122 of component 120, it is formed for being freezed by the cooling wind direction after fin 12b
The rectification fin 129,130 that agent outlet 125 side guides.Therefore, after by fin 12b
Cooling wind is discharged from cold-producing medium outlet 125.It addition, be flowed into subsidiary engine cooling from left side opening 124
Cooling wind in portion 121 is direct from system by the cooling bypass flow path 132 shown in the arrow in Fig. 7
Cryogen outlet 125 is discharged.
So, it is flowed into the cooling wind of subsidiary engine cooling end 121 by DC-DC from right openings 123
After the fin 12b cooling of transducer 12, discharge from cold-producing medium outlet 125.On the other hand,
It is flowed into the cooling wind of subsidiary engine cooling end 121 directly from cold-producing medium outlet 125 from left side opening 124
Discharge.On the left of the open area ratio of right openings 123, the aperture area of opening 124 is big, therefore
Dc-dc 12 is reliably cooled.As shown in Fig. 6 (a), (b), by left side opening 124
Formed by four circular hole 124a, and by right openings 123 by the same size with circular hole 124a
Four circular hole 123a and the elongated hole 123b making them connect combination formed.
As described above, according to the secondary battery unit 100 of present embodiment, in accumulator
The downside rigid body 30 that the dc-dc 12 of the lower section configuration of module 11 carries out keeping is metal
System, therefore the heat radiation of dc-dc 12 is promoted, and can suppress secondary battery unit 100
The stagnation of interior heat.
It addition, in the secondary battery unit 100 of present embodiment, be supplied to battery module group 11L,
The cooling wind direction of 11R is provided with the downside rigid body 30 of dc-dc 12 and flows through, therefore, it is possible to logical
Dc-dc 12 is also carried out while cooling down battery module 11 by supercooling wind
Cooling.
It addition, in the secondary battery unit 100 of present embodiment, form component 120 at cooling end
And it is formed with the subsidiary engine cooling end 121 as refrigerant flow path space between downside rigid body 30, and
The fin 12b of dc-dc 12 exposes in this subsidiary engine cooling end 121, therefore, it is possible to right
Dc-dc 12 reliably cools down.
It addition, in the secondary battery unit 100 of present embodiment, form the upper of subsidiary engine cooling end 121
It is the resin-made that thermal conductivity ratio metal is low that the cooling end on surface forms component 120, and therefore heat is downward
Side rigid body 30 transmits and easily dispels the heat.
It addition, in the secondary battery unit 100 of present embodiment, after cooling battery module 11
Cooling wind distribute to the fin 12b via dc-dc 12 and from cold-producing medium outlet
125 discharge subsidiary engine cooling flowing paths 131 and not via dc-dc 12 fin 12b and
The cooling bypass flow path 132 discharged from cold-producing medium outlet 125.Therefore, with cool accumulator mould
The situation that the whole amount of the cooling wind after block 11 supplies to the fin 12b of dc-dc 12
Compare, it is possible to reduce the pressure loss.
It addition, in the secondary battery unit 100 of present embodiment, cooling wind is via dc-dc
The entrance of the subsidiary engine cooling flowing path 131 of the fin 12b of the 12 i.e. aperture area of right openings 123
Than cooling wind not via the cooling bypass flow path 132 of the fin 12b of dc-dc 12
The entrance i.e. aperture area of left side opening 124 is big, therefore, it is possible to reliably ensure that and change DC-DC
Device 12 carries out the necessary flow of the cooling wind cooled down.
It addition, in the secondary battery unit 100 of present embodiment, by battery module 11, electric power storage
When pond framework 14 and dc-dc 12 are arranged under the luggage case of vehicle 1, DC-DC changes
Device 12 is arranged in the vehicle front side of downside rigid body 30, therefore, it is possible to shorten to vehicle front extraction
The DC line 17 of dc-dc 12.It addition, house the housing 15 of dc-dc 12
Bellying 15a be positioned at the front side of crossbeam 8, therefore, it is possible to when alleviating vehicle collision to DC-DC
The load that transducer 12 applies.
It should be noted that the present invention is not limited to aforesaid embodiment, it is possible to suitably carry out
Deformation, improvement etc..
Such as, the secondary battery unit 100 of above-mentioned embodiment is arranged in the underlying space 5 of luggage case 3
In, but as long as being under the base plate of vehicle, it is also possible to be arranged in the underlying space beyond luggage case 3
In (such as, the underlying space of car room 6).It addition, the cooling body of above-mentioned embodiment is air cooling
Formula but it also may be water-cooled, oil injection type.It addition, subsidiary engine can also be dc-dc 12
Equipment in addition.It addition, cooling end forms component 120 is not limited to resin-made, it is also possible to by other materials
Matter is formed.
Claims (7)
1. a secondary battery unit, it possesses:
Battery module, it has multiple accumulator；And
Accumulator framework, this battery module keeps by it relative to the frame member of vehicle,
Described secondary battery unit is arranged under the base plate of described vehicle, wherein,
Described accumulator framework has: the upside rigid body of configuration above described battery module；?
The downside rigid body of the lower section configuration of described battery module；And by rigid body on the downside of rigid body on the upside of this and this
The coupling member linked,
Described downside rigid body is metal system,
Lower face side at described downside rigid body is provided with subsidiary engine.
Secondary battery unit the most according to claim 1, wherein,
Battery module described at least two is arranged in the first direction and constitutes battery module group,
Described secondary battery unit possesses makes heat outside to described battery module group the supply system cryogen
The cooling body that portion releases,
Described cooling body has cooling end and forms component, this cooling end formed component be formed make described
The opening that cold-producing medium flows to described downside rigid body from cold-producing medium accumulating part, this cold-producing medium accumulating part is arranged
Between the described battery module being arranged along described first direction.
Secondary battery unit the most according to claim 2, wherein,
It is opposed with the upper surface of described downside rigid body that described cooling end forms component, thus is formed for described
The space i.e. subsidiary engine cooling end of cold-producing medium flowing,
Described subsidiary engine has radiating part at upper surface, and this radiating part exposes in described subsidiary engine cooling end.
Secondary battery unit the most according to claim 3, wherein,
It is resin-made that described cooling end forms component.
5. according to the secondary battery unit described in claim 3 or 4, wherein,
Battery module group described at least two is along the second direction row orthogonal with described first direction
Row configuration,
Described second direction is the length direction of described battery module,
Formed at described cooling end and be formed with the first opening and the second opening, described first opening on component
Make described cold-producing medium from the described battery module constituting the described battery module group being positioned at side
Between the described cold-producing medium accumulating part that arranges flow to described downside rigid body, described second opening makes described
Cold-producing medium is from constituting between the described battery module of the described battery module group of opposite side
The described cold-producing medium accumulating part arranged flows to described downside rigid body,
In described subsidiary engine cooling end,
In said first direction, in the side clipping described first opening, described radiating part exposes,
And it is formed with the refrigeration for being discharged by described cold-producing medium at the opposite side clipping described first opening
Agent outlet,
Being formed with rectification part in the described side of described second opening, this rectification part will be opened from described second
The described cold-producing medium that mouth flows into guides towards described radiating part.
Secondary battery unit the most according to claim 5, wherein,
Described in the open area ratio of described second opening, the aperture area of the first opening is big.
Secondary battery unit the most according to any one of claim 1 to 6, wherein,
Described battery module, described accumulator framework and described subsidiary engine are joined with the state being contained in housing
Put under the base plate of described vehicle,
Described subsidiary engine is arranged in the vehicle front side of described downside rigid body,
Described housing has the bellying bloated downwards housing described subsidiary engine,
This bellying is located under the base plate of described vehicle the front side of the crossbeam configured.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-020834 | 2015-02-05 | ||
| JP2015020834A JP6511279B2 (en) | 2015-02-05 | 2015-02-05 | Battery unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105870368A true CN105870368A (en) | 2016-08-17 |
| CN105870368B CN105870368B (en) | 2018-06-01 |
Family
ID=56568257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510977501.XA Active CN105870368B (en) | 2015-02-05 | 2015-12-23 | Secondary battery unit |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6511279B2 (en) |
| CN (1) | CN105870368B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110893754A (en) * | 2018-09-12 | 2020-03-20 | 本田技研工业株式会社 | Vehicle with a steering wheel |
| CN114365325A (en) * | 2019-12-06 | 2022-04-15 | 三菱自动车工业株式会社 | Battery pack for vehicle |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6879815B2 (en) * | 2017-04-28 | 2021-06-02 | 株式会社Ｓｕｂａｒｕ | In-vehicle battery |
| JP7326944B2 (en) * | 2019-07-09 | 2023-08-16 | スズキ株式会社 | Vehicle battery protection structure |
| JP7149240B2 (en) * | 2019-08-20 | 2022-10-06 | 本田技研工業株式会社 | High voltage equipment and vehicles |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602269A (en) * | 2011-01-21 | 2012-07-25 | 三菱自动车工业株式会社 | Vehicle battery case |
| JP2014123515A (en) * | 2012-12-21 | 2014-07-03 | Toyota Industries Corp | Battery module |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4832225B2 (en) * | 2006-09-07 | 2011-12-07 | 本田技研工業株式会社 | Cooling structure for electrical equipment in vehicles |
| JP5091060B2 (en) * | 2007-11-21 | 2012-12-05 | 本田技研工業株式会社 | Vehicle power supply |
| CN103338962A (en) * | 2011-01-27 | 2013-10-02 | 丰田自动车株式会社 | Cooling apparatus |
| JP5831343B2 (en) * | 2012-04-18 | 2015-12-09 | トヨタ自動車株式会社 | Mounting structure of an inverter for external power feeding of a vehicle equipped with a power supply device |
| JP2013229182A (en) * | 2012-04-25 | 2013-11-07 | Sanyo Electric Co Ltd | Power supply device, vehicle including power supply device, and power storage device |
| JP5910692B2 (en) * | 2014-09-29 | 2016-04-27 | 三菱自動車工業株式会社 | Electric car battery pack structure |
-
2015
- 2015-02-05 JP JP2015020834A patent/JP6511279B2/en not_active Expired - Fee Related
- 2015-12-23 CN CN201510977501.XA patent/CN105870368B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602269A (en) * | 2011-01-21 | 2012-07-25 | 三菱自动车工业株式会社 | Vehicle battery case |
| JP2014123515A (en) * | 2012-12-21 | 2014-07-03 | Toyota Industries Corp | Battery module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110893754A (en) * | 2018-09-12 | 2020-03-20 | 本田技研工业株式会社 | Vehicle with a steering wheel |
| CN110893754B (en) * | 2018-09-12 | 2023-04-14 | 本田技研工业株式会社 | Vehicle with a steering wheel |
| CN114365325A (en) * | 2019-12-06 | 2022-04-15 | 三菱自动车工业株式会社 | Battery pack for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105870368B (en) | 2018-06-01 |
| JP6511279B2 (en) | 2019-05-15 |
| JP2016141353A (en) | 2016-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105870368A (en) | Storage battery unit | |
| CN107206890B (en) | The battery cooling structure of vehicle | |
| US10476117B2 (en) | Vehicle power supply system | |
| CN107972474B (en) | Vehicle with a steering wheel | |
| CN110212126A (en) | The battery module compartment and battery module of energy storage system are arranged | |
| CN106240340B (en) | Vehicle power source device | |
| CN102216100B (en) | Vehicle power source unit cooling structure | |
| KR101405234B1 (en) | Radiator for vehicle | |
| US8794361B2 (en) | Cooling structure for environmental-friendly vehicle | |
| JP6011949B2 (en) | Automotive battery | |
| CN105857045B (en) | Secondary battery unit and accumulator frame | |
| WO2016088474A1 (en) | Vehicular power supply device and cooling circuit | |
| CN107074096B (en) | Vehicle | |
| CN103129359A (en) | Battery pack mounting structure of vehicle | |
| JP2005035476A (en) | Cooling device for vehicle | |
| US20220377946A1 (en) | Integration Component, Temperature-Control System, and Motor Vehicle | |
| US20190128171A1 (en) | Cooling structure for vehicle | |
| JP2014019426A (en) | Battery cooling duct | |
| WO2016088475A1 (en) | Vehicular power supply device and cooling circuit | |
| EP3785962B1 (en) | Cooling system for electric drive vehicle and vehicle | |
| JP2016199105A (en) | Battery unit | |
| US20110277973A1 (en) | Cooling Circuit With Parallel Radiators | |
| JP2016199106A (en) | Battery cooling structure | |
| JP5640875B2 (en) | Combined heat exchanger | |
| CN101678736A (en) | Blower for a motor vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |