CN100508273C - Power source for vehicle and cooling structure of cell - Google Patents
Power source for vehicle and cooling structure of cell Download PDFInfo
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- CN100508273C CN100508273C CNB2006100844481A CN200610084448A CN100508273C CN 100508273 C CN100508273 C CN 100508273C CN B2006100844481 A CNB2006100844481 A CN B2006100844481A CN 200610084448 A CN200610084448 A CN 200610084448A CN 100508273 C CN100508273 C CN 100508273C
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- 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
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a power device for vehicles. The device is characterized in that setting a cell box (18) on the site that is near to the left side of the car and between the left and right side vehicle mounts (11) extending from the front and back of the car; connecting air inlet pipe (19) and air outlet pipe (20) for cooling air at the end of the cell box (18) near to the right side of the car. The cell box can be protected from being struck from sides by the left and right side vehicle mounts (11), and the volume of the cell box (18) can be kept in maximum to ensure the space allocation for air inlet pipe (19) and air outlet pipe (20); also the cell box (18) can be carried in vehicle stably by connecting its left and right sides with the side vehicle mounts (11).
Description
Technical field
The present invention relates to the battery of electric power from be captured in battery case supplied to the vehicle power source device of the motor that makes vehicle ', and the battery cooling structure that battery is cooled off by the cooling air that flows in the cooling channel in being located at battery case.
Background technology
Known from 2003-No. 317813 communiques of TOHKEMY and 2005-No. 71759 communiques of TOHKEMY: the battery case that will place the battery of motor/engine (generator) power supply to hybrid vehicle is disposed at the front portion of the baggage room at back seat rear, the air induction conduit and the exhaust manifolds of the cooling air that supply/discharge is cooled off battery are connected the side of one side about battery case.
Be necessary under related hybrid vehicle is being subjected to the situation of side collision, battery case to be protected from damage; but also deposit following problem; even apply the special enhancing that is used to protect battery, then tare increases, and becomes the reason that rideability is reduced.
Usually, the sidepiece vehicle frame about the configuration of the fore-and-aft direction of Vehicular side body connects and strengthens by the crossbeam about being disposed at (cross member).Particularly, on the sidepiece vehicle frame corresponding with the position of the wheelhouse portions of trailing wheel, from the bigger load of upper end input of the buffer of draft hitch, if at this part mounting supply unit, the space that then disposes crossbeam disappears, and the rigidity of vehicle body might be not enough.
In addition, known by 8-No. 310256 communiques of Japanese kokai publication hei, form the cooling channel of U word shape in the inside of the battery frame of the battery that places electric automobile, air inlet and exhaust outlet at the two ends of this cooling channel connect air induction conduit and exhaust manifolds respectively.
In the above-mentioned existing technology, because the cooling channel of battery frame forms the U word shape, and two ends in the smaller sides of battery frame, cooling channel air inlet and exhaust outlet in abutting connection with and dispose, therefore there are the following problems, and the degree of freedom that promptly is connected the layout of the air induction conduit of these air inlets and exhaust outlet and exhaust manifolds is restricted significantly.
In addition, known by 2001-No. 233064 communiques of TOHKEMY, the supply unit that to power to the motor/generator of hybrid vehicle, place in the inside of the cover of the seat cushion that supports rear seat, and the air path in the gap between below the top and seat cushion that is formed at described cover, and suck the cooling air that the battery to supply unit cools off.
Yet, the cooling air that cools off as battery to the supply unit of hybrid vehicle, if directly use extraneous air, air themperature summer of uprising externally then, then the cooling effect of battery might reduce, and therefore is preferably the air that is adjusted to proper temperature in the compartment is used as cooling air.
So, even the cooling air of the air in the compartment as the battery of supply unit used in supposition, be configured in the situation of the baggage room at seat rear for supply unit, also there are the following problems, promptly is difficult under the situation of the performance of taking one's seat that does not reduce seat the air guide supply unit in the compartment.
Summary of the invention
The present invention is directed to above-mentioned situation and propose, its first purpose is, vehicle body do not applied under the situation of special enhancing, and protection electric automobile and hybrid power automobile battery case are avoided the impact from side collision.
In addition, second purpose of the present invention is, utilizes the supply unit of electric automobile and hybrid vehicle and guarantees the rigidity of vehicle body.
In addition, the 3rd purpose of the present invention is, improves the degree of freedom of the layout of the air induction conduit of supply/discharge cooling air on the battery case of the cooling channel that has U word shape and exhaust manifolds.
In addition, the 4th purpose of the present invention is under the situation of the performance of taking one's seat that does not reduce seat, the air in the compartment to be supplied to the battery case of the supply unit that is disposed at the seat rear.
For reaching above-mentioned first purpose, in accordance with a first feature of the invention, a kind of vehicle power source device is proposed, be to place the battery case mounting of battery in vehicle body, and electric power is supplied to the vehicle power source device of the motor that makes vehicle ' from described battery, wherein, side in the right side and the described battery case of mounting partially keep left between the sidepiece vehicle frame about extending along the vehicle body fore-and-aft direction, and in the left and right sides of described battery case the opposing party's end, the air induction conduit and the exhaust manifolds of the cooling air that connection is cooled off described battery, the parts of electric of vehicle is disposed between the cooling air intake of the fan that is connected with the cooling air outlet of described battery case and described exhaust manifolds, and it is cooled off.
According to above-mentioned feature; side ground mounting places the battery case of battery about relying on partially between the sidepiece vehicle frame about the extension of vehicle body fore-and-aft direction; and in the left and right sides of battery case the opposing party's end; the air induction conduit and the exhaust manifolds of the cooling air that connection is cooled off described battery; therefore not only can avoid the impact of side collision with left and right sides sidepiece vehicle frame protection battery case; and the volume of battery case can be guaranteed to be maximum limit, and can guarantee to be configured into the space of airway and exhaust manifolds.Owing to the parts of electric of vehicle is disposed between the cooling air intake of the fan that is connected with the cooling air outlet of described battery case and described exhaust manifolds, and it is cooled off, therefore not only can utilize the parts of electric of the cooling air cooling vehicle of cool batteries, and compare with the situation that dirty end at exhaust manifolds is provided with fan, can reduce the negative pressure that fan produces and the absolute value of malleation, thereby improve the sealing of cooling air stream.
In addition,, propose a kind of vehicle power source device, except above-mentioned first feature, the both ends, the left and right sides of described battery case are connected left and right sides sidepiece vehicle frame according to second feature of the present invention.
According to above-mentioned feature, because the sidepiece vehicle frame about the both ends, the left and right sides of battery case are connected in, therefore not only can be with strong ground of battery case mounting in vehicle body, and can be by the rigidity of the sidepiece vehicle frame about the battery case raising.
In addition,, propose a kind of vehicle power source device, except above-mentioned first feature, will be located at the space of fan arrangement between vehicle-body outer panel and inside gadget of described exhaust manifolds according to the 3rd feature of the present invention.
According to above-mentioned feature, owing to will be located at the space of fan arrangement between vehicle-body outer panel and inside gadget of described exhaust manifolds, therefore can enough inside gadgets block the noise of fan and improve the silence in compartment.
In addition,, propose a kind of vehicle power source device, except above-mentioned the 3rd feature, on described exhaust manifolds, muffler is set than the more close downstream side of described fan according to the 4th feature of the present invention.
According to above-mentioned feature, owing on the discharge fan than the more close downstream side of fan muffler is set, therefore can reducing flows through discharges the noise of the cooling air in the conduit.
In addition, the 5th feature according to the present invention proposes a kind of vehicle power source device, except each of above-mentioned first to fourth feature, with the supply pipe of fuel tank be located at as with described air induction conduit and exhaust manifolds opposition side about side's side.
According to above-mentioned feature and since with the supply pipe of fuel tank be located at be positioned at described air induction conduit and exhaust manifolds opposition side about side's side, so the supply pipe of air induction conduit and exhaust manifolds and fuel tank do not produce interference, thereby improved the degree of freedom of layout.
The 6th feature according to the present invention proposes a kind of vehicle power source device, except above-mentioned the 6th feature, with described exhaust manifolds, is connected in the tire pot on the base plate face that is formed at baggage room.
According to above-mentioned feature, with described exhaust manifolds, be connected in the tire pot on the base plate face that is formed at baggage room, therefore can enlarge the volume of baggage room.
For reaching above-mentioned second purpose, according to the 7th feature of the present invention, a kind of vehicle power source device is proposed, it places battery case mounting in the inside of battery cover in vehicle body with a plurality of battery modules, and electric power supplied to the motor that makes vehicle ' from described battery module, wherein, described battery case, have and support described battery module and connect the cell support frame of described battery cover, and the both ends, the left and right sides of this cell support frame are connected in sidepiece vehicle frame about described at the vehicle body left and right directions.
According to above-mentioned feature, because battery case is by constituting as lower member: a plurality of battery modules; Place the battery cover of battery module; The support cells module also connects the cell support frame of battery cover at the vehicle body left and right directions, and with the both ends, the left and right sides of cell support frame be connected in the vehicle body fore-and-aft direction extend about the sidepiece vehicle frame, therefore not only can be with strong ground of battery frame mounting in vehicle body, even can not be at the position configuration crossbeam of battery case, also can pass through function, and improve the rigidity of left and right sides sidepiece vehicle frame at cell support frame performance crossbeam.Thus, even, also can under the situation that does not change existing body construction, realize function corresponding for weight is increased.
In addition,, a kind of vehicle power source device is proposed according to the 8th feature of the present invention, except above-mentioned the 7th feature, in the position corresponding with wheelhouse portions, with the both ends, the left and right sides of described cell support frame, the sidepiece vehicle frame about being connected in.
According to above-mentioned feature, since in the position corresponding with wheelhouse portions, with the both ends, the left and right sides of cell support frame, the sidepiece vehicle frame about being connected in, therefore can utilize the cell support frame, the part that applies on the sidepiece vehicle frame from the load of draft hitch is strengthened effectively.
In addition,, a kind of vehicle power source device is proposed according to the 9th feature of the present invention, except above-mentioned the 7th feature, to the described battery module that constitutes by a plurality of battery units that are connected in series, with its longitudinally along the mode of vehicle body fore-and-aft direction and dispose.
According to above-mentioned feature,, therefore can utilize the cell support frame that extends at the vehicle body left and right directions positively to support a plurality of battery units owing to, be disposed at the vehicle body fore-and-aft direction to elongated battery module by a plurality of battery units that are connected in series.
In addition, the tenth feature according to the present invention proposes a kind of vehicle power source device, except each of above-mentioned the 7th to the 9th feature, covers described battery cover with metal battery case.
According to above-mentioned feature because with metal battery case clad battery lid, therefore can protect battery cover with and the battery module of inside.
In addition, embodiment postmedian seat 12 is corresponding to seat of the present invention, battery module 23 among the embodiment is corresponding to battery of the present invention, the bottom cell support frame 25 of embodiment is corresponding to cell support frame of the present invention, the bottom battery cover 30 of embodiment and upper cell lid 31 are corresponding to battery cover of the present invention, first cooling channel 36 of embodiment and second cooling channel 37 are corresponding to cooling channel of the present invention, and the down converter of embodiment (down convert) 46 is corresponding to parts of electric of the present invention.
Above-mentioned and other purposes of the present invention, feature and advantage according to the accompanying drawing that add, and according to the explanation of the following most preferred embodiment that is described in detail, are understood more clear.
Description of drawings
Fig. 1～Figure 11 is the figure of expression first execution mode of the present invention:
Fig. 1 is the stereogram of the body tail of automobile;
Fig. 2 is the 2 direction views of Fig. 1;
Fig. 3 is 3-3 line profiles of Fig. 2;
Fig. 4 is the enlarged drawing of 4 parts of Fig. 2;
Fig. 5 is 5-5 line profiles of Fig. 4;
Fig. 6 is the exploded perspective view of power-supply system;
Fig. 7 is the exploded perspective view of battery case;
Fig. 8 is the stereogram of cell support frame.
Fig. 9 is that 9 directions of Fig. 2 are vowed view.
Figure 10 is the exploded perspective view of battery case;
Figure 11 is the schematic diagram of battery case.
Figure 12～Figure 15 B is the figure of expression second embodiment of the invention:
Figure 12 is the figure corresponding to described Fig. 4;
Figure 13 is 13-13 line profiles of Figure 12;
Figure 14 be corresponding to shown in the figure of Figure 11;
Figure 15 A and Figure 15 B are the figure of expression along the pressure variation of the stream of cooling air.
Execution mode
Below, in conjunction with Fig. 1～Figure 11 first execution mode of the present invention is described.
As Fig. 1～shown in Figure 4, have the motor vehicle driven by mixed power of engine and motor/generator as the driving dynamics source, has a pair of sidepiece vehicle frame 11,11 that is disposed at the vehicle body fore-and-aft direction in the left and right sides of vehicle body portion, below the front portion of the seat cushion 12a of rear seat 12, be connected with left and right sides sidepiece vehicle frame 11,11 by crossbeam 13.By about sidepiece vehicle frame 11,11 and crossbeam 13 and seat cushion 12a below around the space, dispose fuel tank 14, be provided with oil filler 16 in the upper end of the supply pipe 15 that extends to the back upper place from the left end of this fuel tank 14.About sidepiece vehicle frame 11,11 in position corresponding to wheelhouse portions 17,17, have crooked upward bend 11a, 11a, between the summit of this bend 11a, 11a, be connected with the both ends, the left and right sides of battery case 18 of the power-supply system of the power source that becomes motor/generator.Be connected with air induction conduit 19 from the front portion of the right flank of battery case 18 towards the vehicle body direction, the rear portion from the right flank of battery case 18 is connected with exhaust manifolds 20 towards the vehicle body rear in addition.At the pars intermedia of exhaust manifolds 20, be provided with fan 21 and muffler 22.
From Fig. 5～Fig. 9 as can be known, with a plurality of module anchor clamps 24 ... 36 bar-shaped battery modules 23 of a plurality of batteries will be connected in series ... harness is an one, and by a pair of bottom cell support frame 25,25 and a pair of upper cell bracing frame 26,26 from clamping up and down.By a pair of fixed support 27,27, but with pars intermedia support cells module 23 ... the two ends of following and crooked downwards a pair of bottom cell support frame 25,25 link and be one.But support cells module 23 ... top and crooked upward a pair of upper cell bracing frame 26,26, its both ends, left and right sides are by bolt 28 ... be fixed in bottom cell support frame 25,25 above.
At the bend 11a of sidepiece vehicle frame 11,11, above the 11a, by bolt 29 ... be combined with the fixed support 27,27 at the two ends of bottom cell support frame 25,25.Because bend 11a, the 11a of sidepiece vehicle frame 11,11 are located at the position corresponding to wheelhouse portions 17,17, therefore the buffer upper end by not shown draft hitch connects the big load of having imported from wheel, but, owing to by this part is connected as the solid epistasis bottom cell support frame 25,25 that crossbeam plays a role, and therefore do not need special reinforcement to strengthen the rigidity that can improve vehicle body.Thus, even increase, also can under the situation of the existing body construction of little amplitude ground change, carry out correspondence for the weight that causes because of mounting battery case 18.
In addition, by in sidepiece vehicle frame 11,11 upper support weight than macrocell case 18, and can make this support become strong.And, bar-shaped battery module 23 ... be configured in the vehicle body fore-and-aft direction, and by supporting these battery modules 23 by bottom cell support frame 25,25 that extends to the vehicle body left and right directions and upper cell bracing frame 26,26 ..., can be easily and positively realize this support.
A plurality of battery modules 23 by bottom cell support frame 25,25 and 26,26 harnesses of upper cell bracing frame ... bottom battery cover 30 that is formed by foaminess synthetic resin and upper cell lid 31 cover, in addition, the top of them covered by the open metal battery case 32 in below.The two ends, the left and right sides of bottom cell support frame 25,25 connect upper cell lid 31 and extend to the outside.By cover bottom battery cover 30 and the upper cell lid 31 that forms by the foaminess resin with metal battery case 32, can protect these bottom battery covers 30, upper cell lid 31 and internal cell module 23 ...
Next, based on Figure 10 and Figure 11, the structure of bottom battery cover 30 and upper cell lid 31 is described.In addition, Figure 11 is the schematic diagram corresponding to Figure 10.
Place among the A of portion at battery, two baffle wall 33Ua, 33Ub below upper wall 33U, forming at left and right directions, and two baffle wall 33La, 33Lb on lower wall 33L, forming at left and right directions, be connected to bottom cell support frame 25,25 and upper cell bracing frame 26,26, and quilt is than these baffle wall 33Ua, 33Ub; Two first cooling channels 36,36 at baffle wall 33La, the more close rear of 33Lb and one second cooling channel 37 in more close the place ahead are divided.In addition, the first side wall 34L along the left side is formed with the binding path 38 that extends at fore-and-aft direction.The left end (terminal) of first cooling channel 36,36 is connected with the rear end (top) that links path 38, the front end (terminal) that links path 38 is connected with the left end (top) of second cooling channel 37, first cooling channel 36,36 links the path 38 and second cooling channel 37 and all is configured to U word shape thus.
At the B of cooling air guide portion of upper cell lid 31, be formed with the next door 39 that links to each other with the right side of the 34R of the first side wall portion on right side in the horizontal direction, be formed with cooling air importing path 40 between next door 39 and the bottom battery cover 30.Right-hand member front portion at bottom battery cover 30, be formed with cooling air and import the cooling air introducing port 41 that path 40 links to each other, rear portion at the first side wall 34R on the right side of bottom battery cover 30 is formed with first connected entrance 42 of connection at the top of first cooling channel 36,36.Front portion at the first side wall 34R on the right side of upper cell lid 31 is formed with second connected entrance 43 that links to each other with the terminal of second cooling channel 37.
Between the next door 39 of upper cell lid 31 and battery case 32, be formed with cooling air drain passageway 44, the top of this cooling air drain passageway 44 is connected in second connected entrance 43, on its terminal, be formed with cooling air outlet 45 by the next door 39 and the battery case 32 of upper cell lid 31.On the next door 39 of upper cell lid 31, with battery module 23 ... the down converter 46 of high voltage step-down, be configured in the mode that is positioned at cooling air drain passageway 44.
Be connected in the air induction conduit 19 of the cooling air introducing port 41 of battery case 18, right flank from the right flank of the backrest 12b of rear seat 12 along seat cushion 12a and disposing, and at the front end of the right flank of seat cushion 12a towards the right front and there is gap and relative in the suction inlet 19a of opening with the right door in rear portion.Therefore, prevent to be encumbered, and particularly the air that is adjusted to room temperature in the compartment can be supplied to battery case 18 in summer because of air induction conduit 19 makes the performance of taking one's seat of back seat 12.And, therefore can improve outward appearance owing under the state of closing the right door in rear portion, be difficult to see the suction inlet 19a of air induction conduit 19.In addition, the path sectional area of air induction conduit 19 is set at that also the sectional area than suction inlet 19a is big at its any position, therefore the circulation impedance of the cooling air that flows at air induction conduit 19 can be suppressed to minimum (with reference to Fig. 6).
On the base plate in the place ahead of rear seat 12, be provided with and blow the blow-off outlet 48 of greenhouse with air.With respect to and on the extended line of the blow-off outlet 48 of opening towards the rear, the suction inlet 19a of air induction conduit 19 upward and right-hand dislocation, can realize thus directly not being inhaled into air induction conduit 19, thereby can prevent battery module 23 from the high temperature air that blow-off outlet 48 blows out ... the reduction of cooling performance.
The exhaust manifolds 20 that link to each other with the cooling air outlet 45 of battery case 18 with fan 21 and muffler 22 located therein, are configured in the inside gadget 49 of baggage room and the space (with reference to Fig. 2) between the vehicle-body outer panel 50 in the lump.By covering fan 21, can reduce the noise that leaks in the compartment, and, can reduce the noise together that flows with cooling air by muffler 22 is set by inside gadget 49.
Next, the effect of first execution mode of the present invention that possesses said structure is described.
If drive fan 21, described fan 21 can be to the battery module 23 that generates heat because of drive motor/generator ... cool off and be located at exhaust manifolds 20, then the air in the compartment is directed to battery case 18 from the suction inlet 19a of air induction conduit 19 by cooling air introducing port 41.Be directed to the cooling air of cooling air introducing port 41, after the cooling air of below in next door 39 of the B of cooling air guide portion that is located at battery case 18 of in the past flowing through backward imports path 40, place first connected entrance 42 that the first side wall 34R on the right side of the A of portion is provided with from battery and flow into two first cooling channels 36,36 at battery case 18.
Flow through from right to left along the cooling air of first cooling channel 36,36 of the second sidewall 35r of rear side, from after flow through forward along the binding path 38 of the first side wall 34L in left side, and flow through from left to right behind second cooling channel 37 of the second sidewall 35f of front side, be discharged to the cooling air drain passageway 44 of the top of being located at next door 39 from second connected entrance 43 of the first side wall 34R that is located at the right side.
Cooling air flow through first cooling channel 36,36 and second cooling channel 37 during, will be disposed at this battery module 23 ... cooling.At this moment, though it is lower low temperature that the cooling air of first cooling channel 36,36 of two upstream side is set, but because the stream sectional area becomes big, therefore the flow velocity of cooling air diminishes, on the contrary, be higher high temperature though the cooling air of second cooling channel 37 of one downstream side only is set, because the stream sectional area diminishes, therefore the flow velocity of cooling air becomes big, therefore can cool off all battery modules 23 equably ...
In addition, by to battery module 23 ... configuration down converter 46 also can utilize battery module 23 on the cooling air drain passageway 44 that cooled cooling air passed through ... cooled cooling air cooling down converter 46.So, be discharged to the cooling air of exhaust manifolds 20 from cooling air outlet 45, by fan 21 by muffler 22 noise reductions after, be discharged to inside gadget 49 in the luggage case and the space between the vehicle-body outer panel 50.
The centre line L 1 that the battery of battery case 18 places the A of portion misplaces to the vehicle body left side with respect to vehicle body centre line L 2, as its result, because in the space that is formed at the vehicle body right side, disposed the B of cooling air guide portion, air induction conduit 19 and exhaust manifolds 20, therefore can be at the close setting battery tightly of the confined space between rear seat 12 and baggage room case 18.And, because with the supply pipe 15 of fuel tank 14, be disposed at as with the vehicle body left side of the opposition side of air induction conduit 19 and exhaust manifolds 20, can prevent that therefore supply pipe 15 and air induction conduit 19 and exhaust manifolds 20 from interfering, and can improve the degree of freedom of layout.
In addition, to place the A of portion adjacent with the battery of battery case 18, the B of cooling air guide portion is set integratedly, make cooling air import path 40 and cooling air drain passageway 44 intersections in the inside of the B of this cooling air guide portion, therefore can cooling air introducing port 41 and cooling air outlet 45 be set respectively in right flank and the back of the B of cooling air guide portion, improve the degree of freedom of the layout of air induction conduit 19 and exhaust manifolds 20.In addition, owing to cooling air importing path 40 is separated up and down with cooling air drain passageway 44 by clipping next door 39, therefore can realize, cooling air imports path 40 and cooling air drain passageway 44 reasonably intersects, thereby the increase of the circulation impedance of cooling air can be suppressed to minimum.
In addition, though in an embodiment respectively at right flank and cooling air introducing port 41 that is provided with later and the cooling air outlet 45 of the B of cooling air guide portion, but can be according to the needs of the layout of air induction conduit 19 and exhaust manifolds 20, and they are located at the optional position of the B of cooling air guide portion, the interference of air induction conduit 19 and exhaust manifolds 20 can be avoided thus, and the degree of freedom of layout can be improved.
Next, based on Figure 12～Figure 15 B the second embodiment of the present invention is described.
In the first above-mentioned embodiment, fan 21 is located at the dirty end of exhaust manifolds 20, but as Figure 12～shown in Figure 14, in a second embodiment, fan 21 can be located at the bottom of battery case 18, between the down converter 46 of the upper reaches end of upper cell lid 30,31 and exhaust manifolds 21.
The structure of battery case 18 is simpler than first embodiment, and in its underpart, the right side of upper cell lid 30,31 is formed with cooling air introducing port 41 and connected entrance 43, and portion is formed with one baffle wall 33Ua, 33La within it.Be connected with the dirty end of air induction conduit 19 at described cooling air introducing port 41, and on described connected entrance 43, be connected with for example intake channel 21a of the fan 21 as multiple wing sheet fan, and dispose down converter 46 in mode towards the exhaust channel 21b of fan 21.Bottom, upper cell 30,31, fan 21 and down converter 46 have battery case 32 to cover from the top, be connected with the upper reaches end of exhaust manifolds 20 in the right-hand member back of battery case 32.The dirty end of exhaust manifolds 20 is connected with the front end of the tire pot 52 that is provided with on the base plate face of baggage room 51.
Therefore, if fan action, then the cooling air in the compartment is from air induction conduit 19, be directed to the cooling air introducing port 41 of bottom, upper cell lid 30,31, and behind first cooling channel 36,36 of the rear side of flowing through from right to left, from after flow through the forward binding path 38 in left side, and by second cooling channel 37 of the front side of flowing through from left to right to battery module 23 ... after cooling off, from connected entrance 43,, and be inhaled into fan 21 through intake channel 21a.So, the following cooling fan 46a that cooling air and the protrusion that flows out the exhaust channel 21b of fan 21 is arranged at down converter 46 contacts and after this down converter 46 cooled off, be fed into the inside of tire pot 52 by exhaust manifolds 20, and a part turns back in the compartment therefrom, and remainder is discharged from outside the car.
Then, even, also can reach the action effect identical, in addition, can also reach following action effect with first embodiment by this second embodiment.
That is to say, if will as first embodiment, fan 21 be located at the dirty end of exhaust manifolds 20, then shown in Figure 15 A, air induction conduit 19 process battery case 18, down converter 46 and exhaust manifolds 20 from upstream side, and the pressure in the path that cooling airs are flowed through before the arrival fan 21 reduces monotonously from atmospheric pressure, therefore in the part of exhaust manifolds 20, it is big that the absolute value of negative pressure becomes, and sealing is difficulty comparatively.
Relative therewith, in a second embodiment, owing to fan 21 is set at the upstream side of down converter 46 and the upstream side of exhaust manifolds 20, therefore shown in Figure 15 B, arrive through battery cases 18 from the air induction conduit 19 of upstream side that pressure reduces monotonously from atmospheric pressure the path of fan 21, in fan 21, be increased to the pressure higher discontinuously than atmospheric pressure, and because of reducing to atmospheric pressure through down converter 46 and exhaust manifolds 20.For this reason, the upper reaches of fan 21 and dirty in negative pressure and the absolute value of malleation diminish, it is easy that the sealing of refrigerating gas stream becomes.
In addition, in first embodiment, be connected the inside gadget 49 of baggage room and the space between the vehicle-body outer panel 50 owing to exhaust manifolds 20, therefore exist these exhaust manifolds 20 to make the problem of the volume reducing of baggage room, but because exhaust manifolds 20 are connected the front end of the tire pot 52 on the base plate face that is formed at baggage room, therefore can be contracted to the volume that irreducible minimum enlarges baggage room 51 in a second embodiment by length with exhaust manifolds 20.
More than, although understand embodiments of the invention, but the invention is not restricted to the foregoing description, also under the situation of the present invention that can in the scope that does not break away from claim, be put down in writing, carry out all design alterations.
For example, though the power-supply system of hybrid vehicle has been described in an embodiment, the present invention also is applicable to the power-supply system of electric automobile.
In addition, though in an embodiment air induction conduit 19 and exhaust manifolds 20 are located at the right side of battery case 18, also can be located at the left side.
In addition, parts of electric of the present invention is not limited to the down converter 46 of embodiment.
Claims (10)
1, a kind of vehicle power source device, its battery case mounting that will place battery be in vehicle body, and electric power is supplied to the motor that makes vehicle ' from described battery, wherein,
Side in the right side and the described battery case of mounting partially keep left between the sidepiece vehicle frame about extending along the vehicle body fore-and-aft direction, and in the left and right sides of described battery case the opposing party's end, the air induction conduit and the exhaust manifolds of the cooling air that connection is cooled off described battery
With the parts of electric of battery, be disposed between the cooling air intake of the fan that is connected with the outlet of the cooling air of described battery case and described exhaust manifolds, and it is cooled off.
2, vehicle power source device according to claim 1, wherein,
Sidepiece vehicle frame about the both ends, the left and right sides of described battery case are connected in.
3, vehicle power source device according to claim 1, wherein,
To be located at the fan of described exhaust manifolds, be disposed at the space between vehicle-body outer panel and the inside gadget.
4, vehicle power source device according to claim 3, wherein,
In described exhaust manifolds, muffler is set than described fan more downstream side.
5, according to each described vehicle power source device in the claim 1～4, wherein,
With the supply pipe of fuel tank, be located at described air induction conduit and exhaust manifolds opposition side about side's side.
6, vehicle power source device according to claim 1, wherein,
With described exhaust manifolds, be connected in the tire pot on the base plate face that is formed at baggage room.
7, vehicle power source device according to claim 1, wherein, to place the inside of the battery cover in battery case as a plurality of battery modules of described battery, described battery case, have and support described battery module and connect the cell support frame of described battery cover, and the both ends, the left and right sides of this cell support frame are connected in sidepiece vehicle frame about described at the vehicle body left and right directions.
8, vehicle power source device according to claim 7, wherein,
In the position corresponding with wheelhouse portions, with the both ends, the left and right sides of described cell support frame, the sidepiece vehicle frame about being connected in.
9, vehicle power source device according to claim 7, wherein,
To the described battery module that constitutes by a plurality of battery units that are connected in series, with its longitudinally along the mode of vehicle body fore-and-aft direction and dispose.
10, according to each described vehicle power source device in claim 7～claim 9, wherein,
Cover described battery cover with metal battery case.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005163089 | 2005-06-02 | ||
| JP2005163089 | 2005-06-02 | ||
| JP2005358069 | 2005-12-12 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101308809A Division CN101340013B (en) | 2005-06-02 | 2006-05-24 | Power source device and battery cooling structure for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1874051A CN1874051A (en) | 2006-12-06 |
| CN100508273C true CN100508273C (en) | 2009-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101308809A Expired - Fee Related CN101340013B (en) | 2005-06-02 | 2006-05-24 | Power source device and battery cooling structure for vehicle |
| CNB2006100844481A Expired - Fee Related CN100508273C (en) | 2005-06-02 | 2006-05-24 | Power source for vehicle and cooling structure of cell |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101308809A Expired - Fee Related CN101340013B (en) | 2005-06-02 | 2006-05-24 | Power source device and battery cooling structure for vehicle |
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| Country | Link |
|---|---|
| CN (2) | CN101340013B (en) |
Cited By (1)
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|---|---|---|---|---|
| CN108357341A (en) * | 2017-01-26 | 2018-08-03 | 本特勒尔汽车技术有限公司 | Battery carrier for electric vehicle |
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| FR2949391B1 (en) * | 2009-08-31 | 2012-12-14 | Peugeot Citroen Automobiles Sa | MOTOR VEHICLE COMPRISING A COOLING CIRCUIT OF AN ELECTRIC POWER SUPPLY MODULE |
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-
2006
- 2006-05-24 CN CN2008101308809A patent/CN101340013B/en not_active Expired - Fee Related
- 2006-05-24 CN CNB2006100844481A patent/CN100508273C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357341A (en) * | 2017-01-26 | 2018-08-03 | 本特勒尔汽车技术有限公司 | Battery carrier for electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101340013A (en) | 2009-01-07 |
| CN1874051A (en) | 2006-12-06 |
| CN101340013B (en) | 2011-07-06 |
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