CN202839793U - Power device and vehicle with power device - Google Patents

Power device and vehicle with power device Download PDF

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Publication number
CN202839793U
CN202839793U CN2012204935832U CN201220493583U CN202839793U CN 202839793 U CN202839793 U CN 202839793U CN 2012204935832 U CN2012204935832 U CN 2012204935832U CN 201220493583 U CN201220493583 U CN 201220493583U CN 202839793 U CN202839793 U CN 202839793U
Authority
CN
China
Prior art keywords
supply unit
encapsulating housing
cell
cooling pipe
vehicle
Prior art date
Application number
CN2012204935832U
Other languages
Chinese (zh)
Inventor
桥本裕之
Original Assignee
三洋电机株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三洋电机株式会社 filed Critical 三洋电机株式会社
Priority to CN2012204935832U priority Critical patent/CN202839793U/en
Application granted granted Critical
Publication of CN202839793U publication Critical patent/CN202839793U/en

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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

The utility model provides a power device with a mechanism for cooling the power device by a simple component and a vehicle with the power device. The power device is provided with a plurality of secondary batteries and an encapsulation shell, wherein the secondary batteries are accommodated by the encapsulation shell (7) and are arranged in a heat contact state; and the power device is also provided with a cooling pipeline (7A) through which cooling air for cooling the encapsulation shell (7) passes.

Description

Supply unit and the vehicle that possesses supply unit
Technical field
The utility model relates to the supply unit that possesses a plurality of secondary battery cell.
Background technology
The supply unit that uses in hybrid vehicle or electric motor car, large-scale electrical storage device etc. is sought high voltage output and high current capacity.As such supply unit, stacked a plurality of battery unit is arranged and the supply unit that forms, can improve by the series connected battery unit output voltage of supply unit, or increase the current capacity of supply unit by the battery unit that is connected in parallel.In addition, as the battery unit that consists of supply unit, use secondary cell in order to can repeatedly discharge and recharge.
As this supply unit, known following supply unit (patent documentation 1) for example, as battery unit, possess the rectangular cell unit of the encapsulation tank with cuboid proterties, also possess: the alternately laminated and battery block that forms of the insulating properties dividing plate that will keep the rectangular cell unit; Be equipped on a pair of end plate at the two ends of battery block; Be set up in end plate and the state binding bar (bind bar) that they are fastening on stacked direction, stacked rectangular cell is pressurizeed.In addition, battery unit is because the use by the at high temperature and life-span of battery unit is reduced, therefore, the supply unit of patent documentation 1 is except above-mentioned formation, also form the encapsulation tank with metal, improve the heat dispersion of battery unit with this, and constitute and to cool off each battery unit via the coldplate with the bottom butt of battery block.
Patent documentation 1:JP JP 2010-157450 communique
But the formation of patent documentation 1 needs more large-scale cooling body, has the supply unit integral body such problem of high price that becomes.
The utility model content
The application's utility model proposes in order to solve relevant issues, and it is a kind of simple in structure and possess the supply unit of mechanism that can the cooling electric source apparatus that its purpose is to provide.
Supply unit of the present utility model possesses a plurality of secondary cells and encapsulating housing 7, it is characterized in that, secondary cell is accommodated in the encapsulating housing 7, with the state configuration of encapsulating housing 7 thermo-contacts, supply unit also possesses: the cooling pipe 7A that the cooling air of the described encapsulating housing 7 of cooling is flow through.
Encapsulating housing 7 is preferably formed by metal.
In addition, the optimization power supply device possesses: the heat exchange sheet 71 between secondary cell and encapsulating housing 7.
And then preferred secondary cell possesses: the encapsulation tank 21 with flat rectangular shape of wide format 21A; Generating key element with being enclosed in this encapsulation tank 21 forms battery block 13 with the opposed in one direction layer-built secondary battery of wide format that encapsulates tank 21, and supply unit also possesses: the end plate 3 that is disposed at the two ends of battery block 13; Be set up in this end plate 3, and the restriction by the securing member of the secondary cell of end plate 3 clampings, described end plate is fixed in encapsulating housing 7.
Vehicle of the present utility model possesses supply unit 1 of the present utility model, and this vehicle possesses: the car body S with drive source; Be formed at the power supply box B that takes in supply unit 1 in the car body S, in inside, power supply box B has: constitute mouthful IN that is taken into that the air in the outside that makes car body S flows into; With the exhaust outlet OUT that will discharge from being taken into mouthful IN leaked-in air, the cooling pipe 7A of supply unit 1 is positioned at power supply box B, and connection is taken into mouth and IN exhaust outlet OUT.
Supply unit 1 preferably has: for detection of the temperature sensor 53 of the temperature in secondary cell or the encapsulating housing 7, be taken into mouthful IN and have switching and freely block the air door D that is taken into mouthful IN, this air door D opens and closes according to temperature sensor 53 detected temperature.
Power supply box B preferably constitutes can be at internal configurations supply unit 1, and has the storage battery receiving space 7B that is communicated with cooling pipe 7A, and the encapsulating housing 7 of supply unit 1 is fixed in power supply box B, thereby supply unit 1 is configured in the storage battery receiving space among the 7B.
Optimization power supply case B has: the partition wall B1 that the inner B of power supply box is divided into storage battery receiving space 7B and cooling pipe 7A, partition wall B1 has the Cooling Holes B2 that is communicated with storage battery receiving space 7B and cooling pipe 7A, by supply unit 1 being configured among the storage battery receiving space 7B, encapsulating housing 7 stops up the Cooling Holes B2 of partition wall B1, and at least a portion of encapsulating housing 7 is positioned at the position 7A that faces cooling pipe via the Cooling Holes B2 of partition wall B1.
In addition, encapsulating housing 7 preferably has: the fin F that gives prominence to and be positioned at cooling pipe 7A from the Cooling Holes B2 of partition wall.
And then power supply box B is preferably cut apart up and down cooling pipe 7A, and storage battery receiving space 7B is set above cooling pipe 7A.
Perhaps, power supply box B is preferably cut apart up and down cooling pipe 7A, and storage battery receiving space 7B is set below cooling pipe 7A.
Formation according to the 1st scheme, owing to can cool off secondary cell by the cooling encapsulating housing, therefore secondary cell need not be directly exposed in the cooling air, can cool off secondary cell with simple formation, also has the effect that can suppress the short circuit that causes owing to condensation or dust
According to the formation of the 2nd and the 3rd scheme, play the effect that to cool off more efficiently secondary cell.
The formation of base area 4 schemes plays the effect of the battery pack that can cool off the battery block that possesses layer-built secondary battery and form etc.
According to claim 5, formation play the effect that can utilize extraneous gas to cool off secondary cell etc.
According to claim 6, formation play the effect of the grade of the cooling that can control as required secondary cell.
According to the formation of the 7th scheme, play can be when supply unit is positively fixing cooling consist of the effect of the secondary cell etc. of supply unit.
According to the formation of the 8th scheme, owing to cut apart storage battery receiving space and cooling pipe by partition wall, therefore, the cooling air that flows through in cooling pipe can not hindered by supply unit, plays the effect that can cool off efficiently secondary cell etc.
According to the formation of the 9th scheme, owing to be provided with fin at encapsulating housing, therefore play the effect that can improve cooling effectiveness etc.
According to the formation of the 10th and the 11st scheme, playing can be up or the effect of below configuration supply unit etc.
Description of drawings
Fig. 1 is the stereogram of the battery module in the execution mode of the present utility model.
Fig. 2 is the exploded perspective view of the battery module in the execution mode of the present utility model.
Fig. 3 is the sectional view of the battery module in the execution mode of the present utility model.
Fig. 4 is the sectional view of the rectangular cell unit in the execution mode of the present utility model.
Fig. 5 is the sectional view of the rectangular cell unit in the execution mode of the present utility model.
Fig. 6 is the stereogram of the rectangular cell unit in the execution mode of the present utility model.
Fig. 7 is the stereogram of the supply unit of execution mode of the present utility model.
Fig. 8 is the exploded perspective view of the supply unit in the execution mode of the present utility model.
Fig. 9 is the block diagram for the function of the module substrate that execution mode of the present utility model is described.
Figure 10 is the sectional view of the supply unit in the execution mode of the present utility model
Figure 11 is the stereogram of the battery block in the variation of supply unit of the present utility model.
Figure 12 is the sectional view of the variation of supply unit of the present utility model.
Figure 13 is the schematic diagram of the vehicle in the execution mode of the present utility model.
Figure 14 is the block diagram of an example of the vehicle in the expression execution mode of the present utility model.
Figure 15 is the sectional view of the vehicle in the expression execution mode of the present utility model
Figure 16 is the sectional view of the state opened of the air door of the vehicle of expression in the execution mode of the present utility model.
Figure 17 is the sectional view of other example of the vehicle in the expression execution mode of the present utility model.
Figure 18 is the sectional view of other example of the vehicle of expression execution mode of the present utility model.
The explanation of symbol
1 supply unit
11 battery modules
12 dividing plates
13 battery blocks
14 binding bars
15 busbars
2 rectangular cells
21 encapsulation tanks
The 21A wide format
22 coiling bodies
221 positive poles
222 negative poles
223 barrier films
23 seal bodies
231 safety valves
24 lead-out terminals
241 positive terminals
242 negative terminals
25 collector bodies
26 insulating properties films
3 end plates
31 screws
32 screws
4 busbar fixtures
41 through holes
42 end differences
43 outlets
44 gas pipelines
5 module substrates
51 voltage detecting circuits
52 telecommunication circuits
53 temperature sensors
54 connectors
6 vehicle side substrates
7 encapsulating housings
The 7A cooling pipe
7B storage battery receiving space
71 heat exchange sheets
72 screws
The a11 battery module
The a2 cylinder battery
The a3 battery holder
A31 the 1st housing
A32 the 2nd housing
The a4 end plate
The a5 sealing resin
The a6 units chunk
The a7 trip bolt
The S car body
The B power supply box
The B1 partition wall
The B2 Cooling Holes
The E engine
The M motor
IN is taken into mouth
The OUT outlet
The D air door
The F fin
Embodiment
The execution mode of supply unit of the present utility model is described to Fig. 9 based on Fig. 1.
(power module)
Fig. 1 is the stereogram that consists of the battery module 11 of the supply unit in the execution mode of the present utility model, and Fig. 2 is the exploded perspective view of power module 11.As shown in Figure 2, power module 11 possesses: the dividing plate 12 of alternately laminated rectangular cell 2 and insulating properties and the battery block 1 that forms; Be equipped on the end plate 3 at the two ends of battery block 13; Be set up in end plate 3, the state binding bar 14 as securing member that they are fastening on stacked direction, battery block 13 is pressurizeed.
(secondary cell)
Fig. 1 is that the generating key element is sealing in the encapsulation tank 21 of flat roughly cuboid proterties and the rectangular cell 2 that forms to the secondary battery cell in the execution mode shown in Figure 9.To shown in Figure 6, the generating key element is made of coiling body 22 and electrolyte such as Fig. 4, and this coiling body 22 is to overlap positive pole 221, negative pole 222 and the barrier film 223 of the sheet of having reeled and form.Encapsulation tank 21 constitutes via seal body 23 and seals the generating key element, is provided with positive terminal 241, negative terminal 242 and safety valve 231 at seal body 23.Positive terminal 241 and negative terminal 242 are lead-out terminals of rectangular cell, are connected with negative pole and are connected with anodal 221 via being disposed at the collector bodies 25 in the encapsulation tank 21.When safety valve 231 constitutes pressure rise in the encapsulation tank 21 of rectangular cell 2 and open and close, the fail safe when unusual arranges.In addition, encapsulation tank 22 is formed by the metal of higher intensity such as having of aluminium, aluminium alloy etc. etc.In addition, can also form encapsulation tank 22 with resin.
(battery block)
Battery block 13 is that the wide format that makes rectangular cell 2 is opposite each otherly stacked and form.Stacked rectangular cell 2 constitutes seal body 23 along roughly simultaneously being arranged side by side lead-out terminal 24 arrangement on battery block 13 of each rectangular cell 2.Be in the situation about being consisted of by metal at encapsulation tank 21, if owing to make the wide format of adjacent rectangular cell 2 against each other, then can be short-circuited, therefore, between stacked rectangular cell 2, insert the dividing plate 12 that the resin by insulating properties forms.And then, as shown in Figure 6, cover in order to prevent making each other short circuit of adjacent rectangular cell 2 via condensed water etc., can also constitute the insulating properties film 26 that arranges around the encapsulation tank 21.In addition, in the present embodiment, constitute dividing plate 12 or insulating properties film 26 are set, but can also be the formation that dividing plate 12 and insulating properties film 26 are not set.For example, in the situation that encapsulation tank 21 is formed by resin, just do not need dividing plate 12 and insulating properties film 26.
Positive terminal 241, the negative terminal 242 of adjacent rectangular cell 2 connect via busbar 15.By being connected in series rectangular cell 2 output of battery module 11 is increased, by the rectangular cell 2 that is connected in parallel the capacity of battery module 11 is increased.The quantity of series connection or rectangular cell in parallel 2 can be selected according to the performance of desired battery module 11.In addition, in the above-described embodiment, constitute and be connected in series whole rectangular cell 2, be connected in parallel and be connected to connect rectangular cell 2 but also can make up.In addition, in the above-described embodiment, busbar 15 is fixed on the lead-out terminal by welding, but can be that lead-out terminal 24 arranges screw channel also, the formation that fixes via the nut that screws togather with lead-out terminal 24; Or direct fixing lead-out terminal 24 formation each other.
(end plate)
End plate 3 is equipped on the two ends of the battery block 13 on the stacked direction of rectangular cell 2.End plate 3 is about equally rectangular-shaped of profile of profile and rectangular cell 2, is formed by metal with higher intensity of aluminum or aluminum alloy etc. etc.Become to be useful on the screw 31 that sets up the binding bar at quadrangle, via with the screw 32 of screwhole spiro bonding, be erected at a pair of binding bar 14 that is arranged side by side up and down at end plate 3.Rectangular cell 2 is owing to discharging and recharging or battery deteriorated encapsulates tank and expand, thereby performance significantly reduces, and by via binding bar 31 fastening battery blocks 13, can stop the expansion that encapsulates tank 21, and can suppress such performance reduction.
(dividing plate)
Dividing plate 12 is the tabular insulating elements that formed by resin, as mentioned above, makes adjacent rectangular cell insulation.As shown in Figure 2, the dividing plate 12 in the present embodiment forms laminar, inserts between the adjacent rectangular cell 2 the wide format 21A institute double team of packed tank 21.Be erected on the end plate 3 if will bind bar 14 with this state, then to battery block 13 pressurizations, the dividing plate 12 between each rectangular cell 2 is pressed the wide format 21A of each rectangular cell 2 to end plate 3 on the stacked direction of rectangular cell 2.In addition, the main purpose of dividing plate is to make 2 insulation of adjacent rectangular cell, and the proterties of dividing plate there is no need to be defined in the shape of above-mentioned execution mode.For example, can also be by the position deviation that prevents rectangular cell with the chimeric pit of rectangular cell 2 be set in the both sides of dividing plate 12.In addition, in the above-described embodiment, dividing plate 12 constitutes whole of wide format 21A who presses encapsulation tank 2, but also can constitute the central authorities of only pressing wide format 21A.The middle body of the particularly wide format 21A of the encapsulation tank 21 of rectangular cell 2 expands easily, if make dividing plate 12 become such formation, then can suppress efficiently the expansion of rectangular cell.
(busbar fixture)
As shown in Figure 2, busbar fixture 4 is formed by insulative resin, be disposed at battery block 13 above.Busbar fixture 4 is provided with through hole 41 in the position corresponding with the lead-out terminal 24 of each rectangular cell 2 of battery block 13.Around through hole 41, be provided with the end difference 42 of or slightly large shape identical shaped with busbar 15.The purpose of end difference 42 is busbar 15 is remained on the workability of assembling with raising on the fixed position, and not necessarily needs fixing bus-bars 15.Particularly, in the situation that the assembling of considering rectangular cell 2 intersects, preferably to a certain extent busbar 15 is remained movably.Be provided with in the battery module 11 of busbar fixture 4 and since busbar fixture 4 covered beyond lead-out terminal 24 parts of the rectangular cell 2 that consists of battery block 13 above, therefore can prevent careless short circuit.For example, can prevent that condensed water is attached to encapsulation tank 21 and encapsulates tank 21 via condensed water and be short-circuited with busbar 15.In addition, busbar fixture 4 is provided with outlet 43 in the position corresponding with the safety valve 231 of each rectangular cell 2 that consists of battery block 13.And then, be provided with the gas pipeline 44 of the pipeline of the hollow that form to be communicated with each outlet 43 at busbar fixture 4.By gas pipeline 44 being set when valve left by the safety valve 231 of rectangular cell 2, the place of the regulation that the gas safety ground of discharging can be guided.
In addition, in the above-described embodiment, constitute by end difference 42 to come busbar 15 is positioned, but may not constitute the location of carrying out busbar 15 with end difference 42.For example, can also constitute that vertical establishing keeps rib to come more reliably busbar 15 positioned or constitute further keeping rib that the locking that the busbar 15 that is positioned is locked is set buckleing around through hole 41.
(voltage detecting circuit)
Such as Fig. 2 and shown in Figure 9, the module substrate 5 that possesses voltage detecting circuit 51 is disposed on the busbar fixture 4, be configured in particularly gas pipeline 44 above.As mentioned above, because busbar fixture 4 forms by insulative resin, so can make module substrate 5 and battery block 13 become the state of insulation.Particularly, when supply unit is assembled, how many each rectangular cells 2 filled the state of some electricity and assembled, therefore in order to prevent overdischarge with, if module substrate 5 contacts with rectangular cell 2, then might produce short circuit, but in the above-described embodiment, thereby owing to be insulated across busbar fixture 4 module substrates 5 and rectangular cell 2, therefore, can prevent such short circuit.Voltage detecting circuit 51 constitutes the voltage detection terminal that is connected via with busbar 15, detects the voltage of each rectangular cell.Voltage detection terminal is welded on the busbar 15, via wire come be equipped on module substrate 5 on connector 54 be connected.Wire can adopt the various formations such as wire harness, FPC.In addition, in the above-described embodiment, module substrate 5 is connected via connector 54 with wire, but the direct screw of wire can also be fixed or is welded on the module substrate 5.In addition, can also not use wire, directly busbar 15 screws are fixed on and consist of direct connection on the module substrate 5.Can also constitute at module substrate 5 telecommunication circuit 52 is set, come computing SOC based on voltage detecting circuit 51 detected voltages, perhaps the vehicle side substrate 6 that discharges and recharges with control battery block 13 communicates.
(temperature sensor)
Such as Fig. 3 and shown in Figure 9, the configuration thermistor is as temperature sensor 53 on battery block 13.Thermistor constitutes the temperature that detects rectangular cell 2 by detecting near rectangular cell 2 temperature.In addition, each rectangular cell 2 that consists of battery block 13 is expressed essentially identical temperature tendency.Therefore, among each rectangular cell 2 that consists of battery block 13, the pass of allocation position fasten the rectangular cell 2 that temperature is risen especially easily be configured in rectangular cell 2 that temperature reduces easily near, can form the structure of the temperature that effectively detects rectangular cell 2.Temperature sensor 53 constitutes with module substrate 5 and is connected, and sends the information of temperature to the vehicle side substrate via telecommunication circuit 52.
(encapsulating housing)
Such as Fig. 7 and Fig. 8, shown in Figure 10, supply unit 1 is made of a plurality of battery modules 11, and has the encapsulating housing 7 of taking in airtightly battery module 11.The state configuration that battery block 13 constitutes to insert betwixt heat exchange sheet 71 fixes battery block 13 in encapsulating housing 7 via the screw 72 that passes end plate 3.Encapsulating housing 7 is formed by metal in order to improve heat conductivity, can cool off the battery block 13 that sets with the state across heat exchange sheet 71 thermo-contacts via encapsulating housing 7.Consist of if so, then can be by cooling pipe 7A being set in order to cool off encapsulating housing by cooling air, coming thus cool batteries piece 13 is rectangular cell 2.In addition, as cooling air, can utilize the inflow of cooling fan or outdoor air.
(supply unit of variation)
Next, the supply unit of the variation in the utility model is described in detail in detail based on Figure 11 and Figure 12.In addition, to the same parts of above-mentioned execution mode identical function, give identical symbol and describe.
At Fig. 1 in execution mode of the present utility model shown in Figure 9, illustrated as secondary cell and used rectangular cell 2, but supply unit of the present utility model 1 also can be to enclose the cylindrical battery of generating key element or laminated thin membranaceous positive pole, negative pole and use the insulating properties film to carry out lamination and the bag-shaped battery that obtains in columnar encapsulation tank.As the variation of supply unit of the present utility model, Figure 11 and Figure 12 illustrate the structure of the supply unit that uses cylindrical battery a2.The columned battery module a11 that a plurality of or multistage of this supply unit configuration is formed by columnar secondary cell and forming.Battery module a11 is fixed by the battery holder a3 that is formed by the 1st housing a31 and the 2nd housing a32, forms units chunk a6.Battery holder a3 constitutes and is filled with the good embedding of heat conductivity (potting) resin a5, this sealing resin a5 and battery module a11 thermo-contact in inside.And then, battery holder a3 be configured to across heat exchange sheet 71 and with encapsulating housing 7 thermo-contacts.According to this formation, by encapsulating housing 7 is cooled off, cool batteries module a11 indirectly.The units chunk a6 of above-mentioned formation is arranged side by side a plurality of battery blocks 13 that consist of, at the two ends of battery block 13 configuration end plate a4.Be equipped with the busbar 15 that connects each battery module a11 at this end plate a4, and screw togather with the trip bolt of the end plate a4 at fastening two ends.Via trip bolt a7, battery block 13 has been consisted of the supply unit 1 of variation by the end plate a4 clamping at two ends.
In addition, though not shown, even used the supply unit of bag-shaped secondary cell, also can constitute with the state with respect to encapsulating housing 7 thermo-contacts secondary cell is accommodated in the encapsulating housing 7, implement thus the utility model.
(car body)
Next, to Figure 18 in detail motor vehicle of the present utility model is described in detail based on Figure 13.In addition, the structure of supply unit adopts said structure.
As shown in figure 13, car body S possesses wheel in front and back, has the power supply box B that takes in supply unit 1 at the lower position of the substantial middle of car body S.Possess motor M in the place ahead of car body S, drive wheel by the electric power that provides from supply unit 1.In addition, as shown in figure 14, in car body S, except motor M, can also be equipped with engine E, form the hybrid vehicle that drives wheel with engine E and motor M.In addition, as general wheel, even only be equipped with the automobile that engine E is used as drive source, also has the supply unit be used to the auxiliary usefulness of the electronic unit action that makes air-conditioning etc.In these supply units, also can adopt the utility model.In addition in the above-described embodiment, constitute at the lower position of the substantial middle of car body S and take in supply unit 1, carry supply unit 1 in the place ahead at car body S, the boot space at rear etc. but also can constitute.
(cooling pipe)
To shown in Figure 180, power supply box B is formed by the framework that consists of car body S such as Figure 15, is provided be used to being taken into being taken into a mouthful IN, being used for discharging from being taken into mouthful exhaust outlet OUT of the extraneous air of IN inflow of extraneous air.Consist of by this, the supply unit that is accommodated in the power supply box B can be by cooling off encapsulating housing 7 from being taken into mouthful extraneous air of IN inflow.In other words, be taken into mouthful In and outlet OUT by formation, in power supply box B, form the cooling pipe 7A that connection is taken into mouthful IN and outlet OUT.
(air door)
And then, be provided with the air door D that switching freely consists of being taken into mouthful IN, open and close based on the control of vehicle side substrate 6.The temperature information of temperature sensor 53 is output to vehicle side substrate 6, and air door D opens and closes based on this temperature information.Particularly, in the high situation of the temperature of the secondary cell that consists of supply unit 1, in order to cool off secondary cell so that air door D opening; In the low situation of the temperature of the secondary cell that consists of cell apparatus 1, air door D is remained silent.By such formation, can prolong the life-span of supply unit, and the output can suppress low temperature the time reduces.In addition, the formation of the circuit by module substrate 5 just can not arrange at voltage detecting circuit 51 circuit of the switching of control air door D via vehicle side substrate 6.
(partition wall)
Figure 15 is provided with for being divided into the partition wall B1 of storage battery receiving space 7B and cooling pipe 7A in the power supply box B to the inside of power supply box B shown in Figure 180.Particularly, partition wall B1 arranges according to the mode of cutting apart up and down in power supply box B, forms up storage battery receiving space 7B, below form cooling pipe 7A.In addition, be provided with the Cooling Holes B2 that is communicated with storage battery receiving space 7B and cooling pipe 7A at partition wall B1.7B has taken in supply unit 1 at the storage battery receiving space, disposes the encapsulating housing 7 of supply unit 1 according to the mode of stopping up Cooling Holes B2 with the one side of encapsulating housing 7.By give consisting of, face cooling pipe 7A according to the one side of encapsulating housing 7 across Cooling Holes B2, cool off encapsulating housing 7 by the extraneous air that flows through cooling pipe 7A.Consist of by this, cooling pipe 7A is formed along the encapsulating housing 7 of supply unit 1, the windage loss that can reduce cooling air loses.Utilizing in the situation of extraneous gas, owing to be the formation that blowing fan is not set, therefore, wriggle, maybe can produce under the shape of turbulent flow at cooling pipe 7A, might cool off efficiently encapsulating housing 7, but by such formation, the duct resistance of cooling pipe 7A is reduced, can cool off efficiently the secondary cell that encapsulating housing 7 namely consists of supply unit 1.
In addition, in the above-described embodiment, partition wall B1 constitutes to be cut apart up and down in the power supply box B, form up storage battery receiving space 7B, below form cooling pipe 7A, but also can be as shown in figure 18, constitute and form up cooling pipe 7A, below form storage battery receiving space 7B.
Cut apart up in the formation of storage battery receiving space 7B, supply unit firmly can be fixed on the car body.In addition, in this consists of, can constitute only that the part corresponding with cooling pipe 7A among the power supply box B is outstanding from car body.Consist of according to this, because power supply box B major part is positioned at the inboard of car body S, only the part corresponding with cooling pipe 7A is positioned at the outside of car body, therefore, and the smaller shape of air drag of the car body S in the time of making the shape of car body S become Vehicle Driving Cycle.
On the other hand, below cut apart in the formation of storage battery receiving space 7B, not only by the fixed part that encapsulating housing 7 is fixed on the framework, can also be by whole the weight of supporting supply unit 1 of framework of mounting supply unit 1.In this consists of, for example, can make the Thickness Ratio of framework of Power Support device 1 thinner, the lightweight that can reach vehicle integral body.And then, by forming power supply box B by the framework of 2 parts up and down, can improve maintainability.For example, in the inspection of supply unit or when changing, the framework that only takes off downside from car body just can take out supply unit from car body.
(fin)
And then, can also constitute at encapsulating housing 7 fin F is set.The encapsulating housing that possesses fin F arranges fin F at the correspondence position of the one side of the encapsulating housing 7 corresponding with the through hole 41 that is formed at partition wall B1.This fin F preferably founds the rib of establishing abreast with the path direction of cooling pipe 7A.Fin F rises the flow path resistance in the cooling pipe 7A textural, but by establishing fin F with the path direction of cooling pipe 7A is vertical abreast, can suppress the rising of flow path resistance.As previously mentioned, in utilizing the cooling construction of extraneous gas, extraneous gas is flowed smoothly.
The supply unit of above formation, the vehicle that possesses supply unit can not make secondary cell be exposed in the direct cooling air, can cool off secondary cell with simple formation, and can suppress the short circuit that condensation or dust etc. cause.
In addition, in the above-described embodiment, constitute being taken into a mouthful IN air door D is set, perhaps at supply unit set temperature transducer 53, but can suitably select whether to arrange air door D or temperature sensor.For example, in always needing the supply unit that cools off, in the situation of the reduction of worrying the output that supercooling causes, can constitute air door D is not set.In addition, about fin, also can suitably select according to desired cooling performance.And then, in the above-described embodiment, by partition wall B1 cut apart power supply box B in, but also partition wall B1 can be set, but constitute storage battery receiving space 7B and cooling pipe 7A are set in identical space.In this consists of, can constitute with simple formation, cool off encapsulating housing 7 by extraneous gas.
The utility model can be widely used in supply unit or carry in the vehicle of supply unit.

Claims (11)

1. a supply unit possesses a plurality of secondary cells and encapsulating housing, it is characterized in that,
Described secondary cell is incorporated in the described encapsulating housing, is configured with the state with this encapsulating housing thermo-contact,
Described supply unit also possesses: the cooling pipe that flows through of cooling air that makes the described encapsulating housing of cooling.
2. supply unit according to claim 1 is characterized in that,
Described encapsulating housing is formed by metal.
3. supply unit according to claim 1 is characterized in that,
Described supply unit also possesses: the heat exchange sheet between described secondary cell and described encapsulating housing.
4. supply unit according to claim 1 is characterized in that,
Described secondary cell comprises the encapsulation tank of the flat rectangular shape with wide format and the generating key element in this encapsulation tank of quilt inclosure, and makes the opposite in one direction stacked described secondary cell of wide format of described encapsulation tank form battery block,
Described supply unit also possesses: the end plate that is disposed at the two ends of described battery block; With
Be set up in this end plate, and limit by the securing member of the secondary cell of end plate clamping,
Described end plate is fixed in described encapsulating housing.
5. a vehicle possesses each described supply unit in the claim 1~4, it is characterized in that,
Described vehicle possesses: the car body with drive source; With
Be formed in this car body and take in the power supply box of described supply unit in inside,
Described power supply box has: constitute the mouth that is taken into that the air in the outside that makes described car body flows into; With
To be taken into the exhaust outlet that mouthful leaked-in air is discharged from this,
Described cooling pipe is positioned at described power supply box, and is communicated with described mouth and the described exhaust outlet of being taken into.
6. vehicle according to claim 5 is characterized in that,
Described supply unit has: for detection of the temperature sensor of the temperature in described secondary cell or the described encapsulating housing,
The described mouth that is taken into has switching and freely blocks the air door that this is taken into mouthful, and this air door opens and closes according to the detected temperature of described temperature sensor.
7. vehicle according to claim 5 is characterized in that,
Described power supply box constitutes can be at the described supply unit of internal configurations, and has the storage battery receiving space that is communicated with described cooling pipe,
The described encapsulating housing of described supply unit is fixed in described power supply box, thereby described supply unit is configured in described storage battery receiving space.
8. vehicle according to claim 7 is characterized in that,
Described power supply box has: power supply box inside is divided into the partition wall of described storage battery receiving space and described cooling pipe,
Described partition wall has the Cooling Holes that described storage battery receiving space and described cooling pipe are communicated with,
By described supply unit being configured in the described storage battery receiving space, described encapsulating housing stops up the Cooling Holes of described partition wall, and at least a portion of described encapsulating housing is positioned at the position that faces described cooling pipe via the Cooling Holes of described partition wall.
9. vehicle according to claim 8 is characterized in that,
Described encapsulating housing has: the fin of giving prominence to and be positioned at described cooling pipe from the Cooling Holes of described partition wall.
10. vehicle according to claim 8 is characterized in that,
Described power supply box is provided with described storage battery receiving space above described cooling pipe.
11. vehicle according to claim 8 is characterized in that,
Described power supply box is provided with described storage battery receiving space below described cooling pipe.
CN2012204935832U 2012-09-25 2012-09-25 Power device and vehicle with power device CN202839793U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104143666A (en) * 2013-05-09 2014-11-12 丰田自动车株式会社 ELECTRIC STORAGE DEVICE, SUBSTRATE ASSEMBLY, AND ASSEMBLY METHOD FOR the ELECTRIC STORAGE DEVICE
CN105378971A (en) * 2013-07-12 2016-03-02 矢崎总业株式会社 Power source device
CN106340693A (en) * 2015-07-08 2017-01-18 福特全球技术公司 Traction Battery Assembly with Dual Sided Thermal Plate

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104143666A (en) * 2013-05-09 2014-11-12 丰田自动车株式会社 ELECTRIC STORAGE DEVICE, SUBSTRATE ASSEMBLY, AND ASSEMBLY METHOD FOR the ELECTRIC STORAGE DEVICE
CN105378971A (en) * 2013-07-12 2016-03-02 矢崎总业株式会社 Power source device
EP3021378A4 (en) * 2013-07-12 2016-07-06 Yazaki Corp Power source device
CN105378971B (en) * 2013-07-12 2018-02-09 矢崎总业株式会社 Supply unit
US10249917B2 (en) 2013-07-12 2019-04-02 Yazaki Corporation Power source device
CN106340693A (en) * 2015-07-08 2017-01-18 福特全球技术公司 Traction Battery Assembly with Dual Sided Thermal Plate

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