CN102117930B - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN102117930B CN102117930B CN201110006555.3A CN201110006555A CN102117930B CN 102117930 B CN102117930 B CN 102117930B CN 201110006555 A CN201110006555 A CN 201110006555A CN 102117930 B CN102117930 B CN 102117930B
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- Prior art keywords
- battery module
- gusset plate
- plate
- secondary cell
- battery pack
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Links
- 230000002787 reinforcement Effects 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 claims 2
- 239000007789 gas Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
A kind of battery pack comprises: multiple battery module, and each in described multiple battery module has the multiple secondary cell be stacked and the casing assembly holding described multiple secondary cell; And reinforcement assembly, this reinforcement assembly comprises at least one gusset plate of the described casing assembly extension around at least one in described multiple battery module.
Description
Technical field
Various embodiments of the present invention relate to a kind of battery pack, more specifically, relate to a kind of comprise multiple secondary cell separately by stacking battery module and the battery pack formed.
Background technology
Along with the increase of gasoline vehicle fleet size, the amount of automotive exhaust gas also increases.Automotive exhaust gas comprises a large amount of harmful substance, such as, due to the nitrogen oxide caused that burns, the carbon monoxide caused due to imperfect combustion or hydrocarbon, etc., and be acknowledged as serious problem of environmental pollution.To use up in the near future because fossil fuel are foreseen, therefore the exploitation of the energy of future generation and hybrid electric vehicle becomes important issue.In commercialization hybrid electric vehicle, the mileage number of this vehicle is determined by battery performance.Generally speaking, (traditional) battery does not have enough electric energy provides power to reach satisfied period or mileage to hybrid electric vehicle.Such as, if vehicle uses any other energy, gasoline, light oil, gas etc., then vehicle can at gas station or the quick postcombustion of gas-filling station.But even if when charging station is available, still take a long time hybrid electric vehicle charging, this is business-like obstacle.Therefore, for hybrid electric vehicle, compared with improving other technology of relevant hybrid electric vehicle, improve battery performance and be acknowledged as important goal.
For this reason, can the secondary cell of charging and discharging receive much attention.Secondary cell is widely used in high-tech electronics device, such as cell phone, notebook computer, camcorder, etc., and be used as Vehicular battery.
Secondary cell comprises electrode assemblie and electrolyte.Electrode assemblie in secondary cell comprises negative plate, positive plate and dividing plate.Electrolyte comprises lithium ion.Negative plate and positive plate can comprise the electrode tabs extended away from described assembly separately.
Electrode assemblie can be received in the housing, and electrode terminal can be exposed to the outside of housing.Electrode tabs may extend into outside electrode assemblie, to be electrically connected to electrode terminal.Housing can have cylindrical or quadrangle form.
Summary of the invention
Various embodiments of the present invention comprise a kind of battery pack, more specifically, comprise a kind of by vertical or laterally stacking comprise multiple secondary cell separately battery module and the battery pack that formed.
According to one embodiment of present invention, provide a kind of battery pack, it comprises: multiple battery module, and each in described multiple battery module has the multiple secondary cell be stacked and the casing assembly holding described multiple secondary cell; And reinforcement assembly, this reinforcement assembly comprises at least one gusset plate of the described casing assembly extension around at least one in described multiple battery module.
In one embodiment, extend around the described casing assembly of the first battery module in described multiple battery module described at least one gusset plate and at least one gusset plate described in extending around the described casing assembly of the second battery module in described multiple battery module connect each other.In addition, battery pack can comprise such as to be extended to the described casing assembly around described first battery module in described multiple battery module by welded connection described at least one gusset plate and the described casing assembly be attached to around described second battery module in described multiple battery module extend described at least one connection bracket of at least one gusset plate.Further, extend around the described casing assembly of described first battery module in described multiple battery module described at least one gusset plate extend by least one connection bracket described and the described casing assembly around described second battery module in described multiple battery module described at least one gusset plate separate.
In one embodiment, each in gusset plate has at least one connector extended from it, and this connector can be threaded, and along the direction away from described multiple secondary cell from the corresponding extension at least one gusset plate described.Further, extend around the described casing assembly of the first battery module in described multiple battery module described in a connector of at least one gusset plate need not extend with the described casing assembly around the second battery module in described multiple battery module described in the conllinear of neighboring connectors of at least one gusset plate.
In one embodiment, at least one connection bracket described casing assembly be coupled to around the first battery module in described multiple battery module extend described at least one connector described at least one gusset plate one and the described casing assembly be attached to around the second battery module in described multiple battery module extend described at least one connector described at least one gusset plate one.In addition, each in described connection bracket can have multiple opening, and each in described multiple opening is configured to accept at least one connector described.
In one embodiment, the whole circumference of each the described casing assembly around in described multiple battery module at least one gusset plate described extends.In another embodiment, each the whole circumference around described battery pack at least one gusset plate described extends.
In one embodiment, described casing assembly comprises the first plate and the second plate that extend along the first side of described multiple secondary cell and the second side respectively, and any one in wherein said first plate and described second plate has and be configured to accept the groove of at least one gusset plate described.Further, described casing assembly can comprise the 3rd plate of the 3rd side extension along described multiple secondary cell further, and wherein said 3rd plate has the groove of be configured in undertaking at least one gusset plate described.In addition, each in described multiple secondary cell can have the electrode terminal covered by electrode terminal lid, and described electrode terminal lid is by described electrode terminal and at least one gusset plate electric insulation described.
In one embodiment, a kind of battery pack comprises: multiple battery module, and each in described multiple battery module comprises the multiple secondary cell be stacked and the casing assembly holding described multiple secondary cell; And connection bracket, this connection bracket by least two battery modules be directly attached in described multiple battery module, so that at least two battery modules described in described multiple battery module are fixed together.Further, described battery pack can comprise the multiple gusset plates be positioned on described multiple battery module further, wherein said connection bracket is coupled to described multiple gusset plate and/or is attached to described casing assembly, to be fixed together by least two battery modules described in described multiple battery module.
Accompanying drawing explanation
By reference to the accompanying drawings, according to the description of following examples, these and/or other side will become obviously and be easier to understand, in accompanying drawing:
Fig. 1 is the schematic partial, exploded perspective view of the battery pack formed by stacking multiple battery module according to an embodiment of the invention;
Fig. 2 is the perspective schematic view of the battery pack of Fig. 1, and wherein the battery module of Fig. 1 is attached to each other by the first connection bracket;
Fig. 3 is the partial, exploded perspective view of an exemplary battery module of the battery module of Fig. 1;
Fig. 4 is the front schematic view of the battery pack of Fig. 2;
Fig. 5 is the decomposition diagram of battery module according to another embodiment of the present invention;
Fig. 6 is the front schematic view of the battery pack formed by the battery module of stacking multiple Fig. 5;
Fig. 7 is the perspective view of another embodiment of the first connection bracket of the battery pack of Fig. 2;
Fig. 8 is the front schematic view of the battery pack of Fig. 7;
Fig. 9 is the partial, exploded perspective view of battery module according to another embodiment of the present invention;
Figure 10 is the perspective schematic view of the side plate being wherein formed with side channel according to an embodiment of the invention;
Figure 11 is the perspective schematic view of the battery pack of the Fig. 1 being arranged to multirow; And
Figure 12 is the front schematic view of the battery pack of Figure 11.
Figure 13 is the perspective schematic view of another embodiment of battery pack of the present invention.
Figure 14 is the perspective schematic view of the another embodiment of battery pack of the present invention.
Figure 15 is the perspective schematic view of an embodiment again of battery pack of the present invention.
Embodiment
Present general is in detail with reference to each embodiment, and the example of these embodiments is described in the accompanying drawings.
Battery pack is formed by vertical and/or horizontal stacking multiple battery module according to an embodiment of the invention.Each battery module is formed by vertical and/or horizontal stacking multiple secondary cell.When without any other support, battery module can due to the weight of multiple secondary cell deflection.In addition, battery module can vibrate because of this deflection.
First, battery pack 300 will be described.Battery pack 300 can comprise multiple battery module 1.Each in battery module 1 is by arranging multiple secondary cell 10 and being electrically connected to each other by secondary cell 10 and being formed along predetermined direction.Each in secondary cell 10 can be lithium secondary battery.Such as, each battery module 1 can comprise 12 secondary cells 10, and battery pack 300 can comprise eight battery modules 1 being stacked into four layers.But the quantity of secondary cell 10 and battery module 1 is not limited thereto, it is also possible that those of ordinary skill in the art can understand other structure various.When multiple battery module 1 is stacked to form battery pack 300, battery module 1 is interconnected, to increase the structural stability of battery pack 300.
Therefore, now with reference to Fig. 1 to Fig. 4, battery pack 300 is described, the coherent gusset plate 60,160 and 260 of structure between this battery pack 300 comprises for increasing battery module 1.
Fig. 1 is that wherein the description of battery module 1 is applicable to battery module 100 and 200 according to an embodiment of the invention by the schematic partial, exploded perspective view of the battery pack 300 of stack of cells module 1, battery module 100 and battery module 200 formation.Fig. 2 is the perspective schematic view of the battery pack 300 of the Fig. 1 comprising the battery module 1,100 and 200 be attached to each other.Fig. 3 is the partial, exploded perspective view of battery module 1 according to an embodiment of the invention.Fig. 4 is the front schematic view of the battery module 1,100 and 200 of Fig. 2.
Battery pack 300 is formed by stack of cells module 1,100 and 200.With reference to Fig. 3, battery module 1 comprises multiple secondary cell 10 and holds the casing assembly of multiple secondary cell 10.In this embodiment, casing assembly can comprise top board 20, base plate 30, side plate 40 and end plate 50.
With reference to an exemplary secondary cell of the secondary cell 10 in battery module 1, secondary cell 10 comprises electrode assemblie, housing 11 and electrode terminal 12.Electrode assemblie comprises negative electrode, dividing plate and positive electrode, and can be convoluted or stacked assembly.Housing 11 hold electrodes assembly.Electrode terminal 12 can stretch out from housing 11 and is electrically connected with external equipment by secondary cell 10.Housing 11 can comprise exhaust portion 13.Secondary cell 10 can be perforated, to break under predetermined internal pressure.Therefore, exhaust portion 13 can be formed relatively fragile, and the gas produced in housing 11 is discharged by the exhaust portion 13 of punching.Cover plate can connect with the opening of housing 11.Cover plate can be thin plate, and can comprise electrolysis liquid and pass through and the electrolyte entrance be injected into.After electrolyte is injected into by electrolyte entrance, electrolyte entrance can by seal cap sealing.
(battery module 1 of Fig. 3) secondary cell 10 can be arranged to along predetermined direction mutually faced by.Secondary cell 10 can be electrically connected in combination by parallel connection, series connection or parallel connection and serial connection.In order in parallel or be connected in series secondary cell 10, the electrode terminal 12 of secondary cell 10 alternately can be arranged according to the positive-negative polarity of electrode terminal.The electrode terminal 12 of secondary cell 10 is connected to each other by busbar 14.
As depicted in fig. 1, secondary cell 10 can be roughly quadrangle secondary cell.Such as, but the present invention is not limited thereto, secondary cell 10 can be the battery unit of any kind, circular secondary cell or bag type secondary battery.Required charging and discharging ability and the determining when syndeton of stacking secondary cell 10 and quantity can consider design battery pack 300.
Referring again to a secondary cell 10 of battery module 1, the electrode assemblie that can comprise the secondary cell 10 of lithium expands due to charge or discharge or shrinks.The expansion of electrode assemblie or be contracted on housing 11 and apply physical force, therefore housing 11 expands according to the expansion of electrode assemblie or contraction or shrinks.The change of housing 11 can be permanent by the expansion that repeats and contraction, and expands and increase impedance, thus reduces the efficiency of secondary cell 10.Therefore, for battery module 1, a pair end plate 50 of battery module 1 can be arranged along predetermined direction, to be separately positioned on the opposed end place of the secondary cell 10 be electrically connected to each other.Side plate 40 is connected to the sidepiece of end plate 50, to press position and fixing secondary cell 10, thus make along the length direction of secondary cell 10 expansion or shrink can be prevented from or significantly reduce.
Top board 20 is arranged on multiple secondary cell 10, and is connected to the top of end plate 50.The opening 20a be formed in top board 20 corresponds to the exhaust portion 13 of secondary cell 10.Top board 20 can comprise top board sweep 20b, and top board sweep 20b is formed on two longitudinal sides of top board 20 as follows, and namely top board sweep 20b protrudes upward away from battery module 1 and makes top board 20 in roughly " U " shape.Each being formed in the opening 20a in top board 20 can comprise the sealing ring O between top board 20 and corresponding exhaust portion 13, and make when gas is from one of them discharge of exhaust portion 13, gas does not affect the secondary cell be adjacent.Sealing ring O can be O shape ring.Groove 50a is formed in the central upper portion part of end plate 50, to receive top board 20.The opening 20a of top board 20 can be set to closely adjacent secondary cell 10.
With reference to battery module 1, base plate 30 is positioned at secondary cell 10 below to support the weight of multiple secondary cell 10, and is connected to the bottom of end plate 50.In order to receive the weight of secondary cell 10, base plate 30 can comprise base plate sweep 30a.Base plate sweep 30a can be formed in two longitudinal sides of base plate 30 as follows, and namely base plate sweep 30a stretches out downwards away from battery module.
Battery module 1 is coupled to adjacent battery module by end plate 50 and is supported by this adjacent battery module, and therefore battery pack 300 is formed by vertical and/or horizontal stacking such as battery module 1,100 and 200.
Battery module 1 structurally can be connected to another battery module by gusset plate 60.Gusset plate 60 can have various shape, such as, for the rectangular shape around battery module 1, as depicted in figure 3.The electrode terminal 12 of the secondary cell 10 of battery module 1 is covered by electrode terminal lid 15, and make gusset plate 60 non-contact electrode terminal 12 and cause short circuit, namely electrode terminal lid 15 is by electrode terminal and at least one gusset plate electric insulation.In figure 3, gusset plate 60 is by the support cells module 1 around top board 20, side plate 40 and base plate 30.Be included in gusset plate 60 in battery module 1 and adjacent battery module 100 with 200 gusset plate 160 be connected with 260, to keep the structure of stacking battery module 1,100 and 200.In Fig. 1 to Fig. 3, battery module 1,100 and 200 comprises gusset plate 60,160 and 260 respectively.But the quantity that can be used in the gusset plate 60,160 and 260 in each of battery module 1,100 and 200 is respectively not limited to described, and the gusset plate 60,160 and 260 of varying number can be set.
Now with reference to Fig. 1, Fig. 2 and Fig. 4, gusset plate 60,160 and 260 is described.Battery pack 300 is formed by stack of cells module 1,100 and 200.The stackable quantity of battery module 1,100 and 200 is not limited to described.But for convenience of description, in FIG, battery module 1,100 and 200 is stacked as three-decker.With reference to Fig. 1, Fig. 2 and Fig. 4, the battery module (the second battery module 100) be arranged on below battery module 1 is similar to battery module 1 substantially.The battery module be arranged on above battery module 1 can be the 3rd battery module 200.In order to illustrate battery module 1, position relationship between 100 and 200, each battery module can be hereinafter referred to as the first battery module 1, second battery module 100 and the 3rd battery module 200, but first, second, and third battery module 1,100 with 200 parts can be identical.The gusset plate 60 of the first battery module 1 can comprise connector (or multiple connector) 60a, to be easily connected to adjacent with the first battery module 1 second and the 3rd gusset plate 160 and 260 of battery module 100 and 200.In one embodiment, each in gusset plate 60,160 and 260 has at least one connector extended from it.Each in connector has threaded portion.Therefore, second and the 3rd the gusset plate 160 and 260 adjacent with the gusset plate 60 of the first battery module 1 of battery module 100 and 200 by connector 60a, connector 160a and connector 260a via the first connection bracket (or connection bracket) 70 and 170 by the gusset plate 60 of spiral marking connection to the first battery module 1.Each in first connection bracket 70 and 170 has multiple opening, and each in multiple opening is configured to accept corresponding in connector 60a, 160a and 260a.Connector 60a, 160a and 260a and the first connection bracket 70 and 170 can spiral marking connections mutually.But gusset plate 60, connection between 160 and 260 are not limited to spiral marking connection, can use any connecting method in the various connecting methods such as such as welding.Like this, second battery module 100 adjacent with the first battery module 1 and the 3rd battery module 200 are coupled by the first connection bracket 70 and 170, and therefore the resistance to overturning of battery pack 300 can increase.In addition, gusset plate 60,160 and 260 is not only connected to base plate 30, base plate 130 and base plate 230 on structural, and is connected to top board 20, top board 120 and top board 220 and side plate 40, side plate 140 and side plate 240.Therefore, gusset plate 60,160 and 260 disperses the load of secondary cell 10,110 and 210 to prevent battery module 1,100 and 200 deflection on structural.
Top board sweep 20b, 120b, 220b is or/and base plate sweep 30a, 130a and 230a of base plate 30,130 and 230 can be formed to have the height less than predetermined value.With reference to Fig. 4, when top board 20,120 and top board sweep 20b, 120b, 220b and the base plate 30,130 of 220 and base plate sweep 30a, 130a of 230 and 230a mutually in the face of and when contacting, gusset plate 60,160 and 260 is difficult to be inserted into above or below base plate 30,130 and 230 of top board 20,120 and 220.Therefore, top board sweep 20b, 120b, 220b of top board 20,120 and 220 are formed to have the height less than predetermined value, and gusset plate 60,160 and 260 can be positioned in above top board 20,120 and 220.In addition, base plate sweep 30a, 130a and 230a of base plate 30,130 and 230 are formed to have the height less than predetermined value, and gusset plate 60,160 and 260 can be positioned in below base plate 30,130 and 230.In the case, both top board sweep 20b, 120b, 220b or base plate sweep 30a, 130a and 230a or top board sweep 20b, 120b, 220b and base plate sweep 30a, 130a and 230a can be formed to have the height less than predetermined value.
In the case, gusset plate 60 does not need the whole circumference around battery module 1, namely, do not need as shown in Figure 1 to Figure 4 describe like that around the battery module 1 comprising top board 20, base plate 30 and side plate 40.For example, referring to Fig. 5 and Fig. 6, gusset plate 60 can be formed through top board 20 above and side plate 40 is outside and between secondary cell 10 and base plate 30.
Fig. 5 is the partial, exploded perspective view of battery module 1 ' according to another embodiment of the present invention.Fig. 6 is by the front schematic view by stacking for the battery module 1 ' of Fig. 5 battery pack 400 repeatedly formed.Gusset plate 60 ' can be arranged between the secondary cell 10 of base plate 30 and battery module 1 '.Like this, when gusset plate 60 ' is arranged between base plate 30 and secondary cell 10, gusset plate 60 ' does not need to be formed through below base plate 30.Although attached not shown, gusset plate 60 ' can through top board 20 and secondary cell 10 and between base plate 30 and secondary cell 10.When gusset plate 60 ' is located as mentioned above, the connection between the base plate 30 of the first battery module 1 ' and the top board 120 of the second battery module 100 can not be hindered.Therefore, gusset plate 60 ' is not limited to be oriented the whole circumference around top board 20, base plate 30 and side plate 40, and can be arranged in top board 20, base plate 30 and side plate 40 any one within.
In addition, gusset plate 60,160 and 260 can use various connecting method to interconnect.For example, referring to Fig. 7 or Fig. 8, the gusset plate 60,160 and 260 be separately positioned in battery module 1,100 and 200 can be coupled to connecting plate C, to keep each structure of battery module 1,100 and 200.Connecting plate C is formed by integral type plate.Therefore, with when use multiple first connection bracket 70 with 170 time compare, when use single connecting plate C time, the structural stability of battery pack can increase.Gusset plate 60,160 and 260 and connecting plate C are coupled by the spiral marking connection between connector 60a, 160a and 260a of gusset plate 60,160 and 260 and connecting plate C, or are coupled with welding between connecting plate C by gusset plate 60,160 and 260.
In the case, in order to be beneficial to the connection between gusset plate 60,160 and 260 and connecting plate C, the parts of battery module 1,100 and 200 can comprise the groove for minimizing the space needed for gusset plate 60,160 and 260, and this is described with reference to Fig. 9 or Figure 10.
Fig. 9 is battery module 1 according to another embodiment of the present invention " decomposition diagram.Figure 10 is for being wherein formed with the perspective schematic view of the side plate 40 ' of side channel 40 ' g according to an embodiment of the invention.
With reference to Fig. 9, upper groove 20 ' g can be formed in top board 20 ' corresponding with gusset plate 60.Gusset plate 60 is prevented from mobile due to the upper groove 20 ' g be formed in top board 20 ', and enters in upper groove 20 ' g according to the degree of depth of upper groove 20 ' g, and the space therefore needed for gusset plate 60 can be reduced.Alternately, gusset plate 60 is prevented from mobile by the lower groove 30 ' g be formed in base plate 30 ', and enters in lower groove 30 ' g, and the space therefore needed for gusset plate 60 can be reduced.In the case, groove can be formed in top board 20 ' and base plate 30 ' one of at least in, but the position of groove is not limited thereto.For example, referring to Figure 10, side channel 40 ' g can be positioned on side plate 40 '.In the case, gusset plate 60 enters in side channel 40 ' g according to the degree of depth of side channel 40 ' g, and the space therefore needed for gusset plate 60 can be reduced.Gusset plate 60 by with one of at least connecting and be prevented from mobile in upper groove 20 ' g, lower groove 30 ' g and side channel 40 ' g, the space therefore needed for gusset plate 60 is minimized, and makes gusset plate 60 not hinder the Degree of Structure Freedom of other parts.
The stacking method of battery module is not limited thereto, and can use various method.For example, referring to Figure 11 and Figure 12, battery module 1,100,200,1001,1100 and 1200 can be stacked as multirow.In addition, adjacent gusset plate 60,160 and 260 and gusset plate 1060,1160 and 1260 can interconnect.
Figure 11 is the perspective schematic view of arranging repeatedly to become the battery pack of Fig. 1 of multirow.Figure 12 is the front schematic view of the battery pack of Figure 11.
Each in the gusset plate 60,160,260,1060,1160 and 1260 of battery module 1,100,200,1001,1100 and 1200 by the first connection bracket 70,170 and 270 and the first connection bracket 1070,1170 and 1270 by spiral marking connection to adjacent gusset plate.
Hereinafter, for convenience of description, each battery module will be called as the first battery module 1, second battery module 100, the 3rd battery module 200, the 4th battery module 1001, the 5th battery module 1100 and the 6th battery module 1200.The center that first connector 60a of the first battery module 1 and the second connector 60b can not be oriented based on end plate 50 is mutually symmetrical.Because the first connector 60a and the second connector 60b is not oriented about being mutually symmetrical, therefore when the first battery module 1 is positioned as adjacent with the 4th battery module 1001, connector does not hinder each other, thus minimizes required volume.Namely, be oriented about (being namely not collinear with each other) asymmetrical relative to one another with reference to Figure 12, the second connector 60b of the first battery module 1 and the first connector 1060a of the 4th battery module 1001.Therefore, the second connector 60b and the first connector 1060a does not hinder mutually, and thus the first battery module 1 and the 4th battery module 1001 can be positioned as adjacent one another are.
Gusset plate 60,160,260,1060,1160 and 1260 can not only vertically but also laterally be connect.Such as, the 6th battery module 1200 and the 3rd battery module 200 adjacent one another are, and to connect each other by the first connection bracket 270.The gusset plate 260 and 1260 be separately positioned in the topmost of the 3rd and the 6th battery module 200 and 1200 can comprise the 3rd connector 260c and 1260c respectively.Lay respectively at second and the 5th battery module 100 and 1100 foot in gusset plate 160 and 1160 can connect each other.Such as, the 3rd connector 1160c being formed in the 3rd connector 160c in the second battery module 100 and be formed in the 5th battery module 1100 is by the first connection bracket 1170 mechanical connection each other.
Like this, gusset plate 60,160,260,1060,1160 and 1260 can not only vertically be interconnected, and mechanical type horizontal is attached to adjacent gusset plate.Connecting method is not limited to the spiral marking connection that Figure 11 or Figure 12 describes.Such as, gusset plate 60,160,260,1060,1160 and 1260 interconnects by welding.In addition, connecting method is not limited by the first connection bracket 70,170,270,1070,1170 and 1270 connection.Such as, as Fig. 7 or Fig. 8 describe, interconnected by integral type connecting plate C by the battery module 1,100,200,1001,1100 and 1200 of vertical orientation, and be coupled via welding by connecting plate C.
Although attached not shown, multiple battery module 1,100,200,1001,1100 and 1200 around multiple battery module 1,100,200,1001,1100 and 1200, and can interconnect by the method for spiral marking connection by single connecting plate C.
The battery pack 300 comprising battery module 1,200 and 300 can be used in motor vehicle.If the battery pack 300 comprising secondary cell 10 is owing to expanding or other reason and discharge of noxious gases, then this pernicious gas is discharged by burst at short notice.When pernicious gas flows in vehicle, this gases affect human body.In the case, battery pack 300 can be accommodated in seal casinghousing, and sealing housing can be connected by outside.In order to avoid this risk, battery pack 300 can have for reducing the structure vibrated.In battery pack 300 according to an embodiment of the invention, in gusset plate 60 support cells module 1, produce the part of deflection, thus reduce deflection and the vibration of battery module 1.
Referring now to Figure 13, it illustrates according to another embodiment of the present invention, and battery pack 700 comprises battery module 1,100 and 200 as above.Further, battery pack 700 comprises reinforcement assembly, and this reinforcement assembly comprises gusset plate 760, and this gusset plate 760 extends around the whole circumference of whole battery pack 700, instead of only extends around the circumference of battery module 1,100 and 200.The structure of gusset plate 760 and shape can with the structure of the gusset plate in previous embodiment and shape same or similar.
Referring now to Figure 14, it illustrates according to another embodiment of the present invention, and battery pack 800 comprises battery module 1,100 and 200 as above.In addition, battery pack 800 comprises the connection bracket 71,171 of the side plate 40,140,240 being directly attached to battery module 1,100 and 200.In one embodiment, each connection bracket 71,171 is connected to two side plates in side plate 40,140,240, and each side plate in namely adjacent battery module 1,100,200, to be bound up battery module.Connection bracket 71,171 can such as by welding or being coupled to side plate 40,140,240 by securing members such as such as nuts and bolts at 71a, 171a place, coupling part.
Referring now to Figure 15, it illustrates according to another embodiment of the present invention, and battery pack 900 comprises battery module 1,100 and 200 as above.Battery pack 900 comprises the gusset plate 62,162 and 262 being attached to single side plate 40,140,240 and the connection bracket 72,172 be directly attached with the gusset plate on the side plate 40,140,240 of adjacent battery modules 1,100 and 200 further.Connection bracket 72,172 can such as by welding or being coupled to gusset plate 62,162 and 262 by securing members such as such as nuts and bolts at 72a, 172a place, coupling part.
According to the present invention, battery pack is passed through vertically or transverse direction is stacking comprises the battery module of multiple secondary cell separately and is formed, thus reduces deflection and the vibration of battery module.
It is only descriptive for it should be understood that exemplary embodiment described herein should be regarded as, and is not used in the object of restriction.Feature in each example or the description of aspect should typically be regarded as can be used for other the similar feature in other embodiment or aspect.
Claims (17)
1. a battery pack, comprising:
Multiple battery module, each in described multiple battery module comprises the casing assembly of multiple secondary cell and the described multiple secondary cell of accommodation be stacked and comprises:
A pair end plate, arranges along predetermined direction, to be separately positioned on the opposed end place of the described multiple secondary cell be electrically connected to each other;
Pair of side plates, is connected respectively to the sidepiece of described a pair end plate;
Top board, to be arranged on described multiple secondary cell and to be connected to the top of described a pair end plate; With
Base plate, is positioned to support the weight of described multiple secondary cell below described multiple secondary cell, and is connected to the bottom of described a pair end plate; With
Reinforcement assembly, this reinforcement assembly comprises at least one gusset plate of the described casing assembly extension around at least one in described multiple battery module;
At least one gusset plate wherein said is oriented the whole circumference around described side plate, described top board and described base plate; And
At least one gusset plate described in wherein extending around the described casing assembly of the first battery module in described multiple battery module and at least one gusset plate described in extending around the described casing assembly of the second battery module in described multiple battery module connect each other.
2. battery pack as claimed in claim 1, comprise at least one connection bracket further, at least one gusset plate described at least one gusset plate described at least one connection bracket described described casing assembly be attached to around the first battery module in described multiple battery module extends and the described casing assembly be attached to around the second battery module in described multiple battery module extend.
3. battery pack as claimed in claim 2, at least one gusset plate described at least one gusset plate described at least one connection bracket wherein said is extended by the welding described casing assembly be coupled to around described first battery module in described multiple battery module and the described casing assembly be attached to around described second battery module in described multiple battery module extend.
4. as claimed in claim 2 or claim 3 battery pack, described at least one gusset plate described in wherein extending around the described casing assembly of described first battery module in described multiple battery module is extended by least one connection bracket described and the described casing assembly around described second battery module in described multiple battery module, at least one gusset plate is separated.
5. battery pack as claimed in claim 1, each at least one gusset plate wherein said has at least one connector that described in from least one gusset plate described, each extends.
6. battery pack as claimed in claim 5, each at least one connector wherein said has threaded portion.
7. battery pack as claimed in claim 5, each at least one connector wherein said is along the direction away from described multiple secondary cell from the corresponding extension at least one gusset plate described.
8. battery pack as claimed in claim 5, one at least one connector described at least one gusset plate described in wherein extending around the described casing assembly of the first battery module in described multiple battery module to extend with the described casing assembly around the second battery module in described multiple battery module described in an adjacent not conllinear at least one connector described at least one gusset plate.
9. battery pack as claimed in claim 5, comprise at least one connection bracket further, one at least one connector described at least one gusset plate described at least one connector described at least one gusset plate described at least one connection bracket described described casing assembly be attached to around the first battery module in described multiple battery module extends and the described casing assembly be attached to around the second battery module in described multiple battery module extend.
10. battery pack as claimed in claim 9, each at least one connection bracket wherein said has multiple opening, and each in described multiple opening is configured to accept at least one connector described.
11. battery pack as claimed in claim 9, each at least one connection bracket wherein said is coupled at least one gusset plate that the described casing assembly around the other battery module in described multiple battery module extends.
12. battery pack as claimed in claim 1, the whole circumference of each the described casing assembly around in described multiple battery module at least one gusset plate wherein said extends.
13. battery pack as claimed in claim 1, any one in wherein said top board and described base plate has and is configured to accept the groove of at least one gusset plate described.
14. battery pack as claimed in claim 13, wherein said pair of side plates has the groove of be configured in undertaking at least one gusset plate described.
15. battery pack as claimed in claim 1, each in wherein said multiple secondary cell has the electrode terminal covered by electrode terminal lid, and described electrode terminal lid is by described electrode terminal and at least one gusset plate electric insulation described.
16. battery pack as claimed in claim 1, each at least one gusset plate wherein said has the rectangular shape around described casing assembly.
17. 1 kinds of battery pack, comprising:
Multiple battery module, each in described multiple battery module comprises the casing assembly of multiple secondary cell and the described multiple secondary cell of accommodation be stacked and comprises:
A pair end plate, arranges along predetermined direction, to be separately positioned on the opposed end place of the described multiple secondary cell be electrically connected to each other;
Pair of side plates, is connected respectively to the sidepiece of described a pair end plate;
Top board, to be arranged on described multiple secondary cell and to be connected to the top of described a pair end plate; With
Base plate, is positioned to support the weight of described multiple secondary cell below described multiple secondary cell, and is connected to the bottom of described a pair end plate;
Multiple gusset plate, is positioned on described multiple battery module; With
Connection bracket, this connection bracket is coupled at least two battery modules in described multiple battery module, to be fixed together by least two battery modules described in described multiple battery module;
Wherein said multiple gusset plate is at least attached to described side plate, and;
Wherein said connection bracket is coupled to described multiple gusset plate, to be fixed together by least two battery modules described in described multiple battery module.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29245710P | 2010-01-05 | 2010-01-05 | |
| US61/292,457 | 2010-01-05 | ||
| US12/796,911 | 2010-06-09 | ||
| US12/796,911 US20110165451A1 (en) | 2010-01-05 | 2010-06-09 | Battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN102117930A CN102117930A (en) | 2011-07-06 |
| CN102117930B true CN102117930B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110006555.3A Active CN102117930B (en) | 2010-01-05 | 2011-01-05 | Battery pack |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101292984B1 (en) * | 2011-08-22 | 2013-08-02 | 로베르트 보쉬 게엠베하 | Battery module |
| CN103390742B (en) * | 2012-05-08 | 2017-07-18 | 三星Sdi株式会社 | Battery pack |
| DE102012218473A1 (en) * | 2012-10-10 | 2014-06-12 | Bayerische Motoren Werke Aktiengesellschaft | Energy storage arrangement and mounting device |
| CN103996807B (en) * | 2013-02-19 | 2016-05-25 | 北京普莱德新能源电池科技有限公司 | A kind of for the cooling modular structure of duricrust battery |
| JP6330379B2 (en) | 2014-03-07 | 2018-05-30 | 株式会社豊田自動織機 | Battery pack |
| JP6327072B2 (en) * | 2014-09-03 | 2018-05-23 | 株式会社豊田自動織機 | Battery module |
| WO2017091948A1 (en) * | 2015-11-30 | 2017-06-08 | 深圳市大疆创新科技有限公司 | Battery-accommodating device and unmanned aircraft and electronic device |
| US10516145B2 (en) * | 2016-01-26 | 2019-12-24 | Ford Global Technologies, Llc | Battery pack array retention |
| KR20200044582A (en) | 2018-10-19 | 2020-04-29 | 삼성에스디아이 주식회사 | Large module of battery |
| KR102646854B1 (en) | 2018-10-19 | 2024-03-11 | 삼성에스디아이 주식회사 | Battery module |
| KR102640328B1 (en) | 2018-10-19 | 2024-02-22 | 삼성에스디아이 주식회사 | Large module of battery |
| KR102640329B1 (en) | 2018-10-19 | 2024-02-22 | 삼성에스디아이 주식회사 | Battery module |
| KR102640327B1 (en) | 2018-10-19 | 2024-02-22 | 삼성에스디아이 주식회사 | Large module of battery |
| KR102646853B1 (en) | 2018-10-19 | 2024-03-11 | 삼성에스디아이 주식회사 | Battery module |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4339049A (en) * | 1980-04-17 | 1982-07-13 | The United States Of America As Represented By The United States Department Of Energy | Containers for use in a self supporting assembly |
| CN101308909A (en) * | 2007-05-16 | 2008-11-19 | 索尼株式会社 | Battery pack |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4837155B2 (en) * | 1998-11-27 | 2011-12-14 | パナソニック株式会社 | Storage battery |
| JP4242665B2 (en) * | 2002-05-13 | 2009-03-25 | パナソニック株式会社 | Battery pack cooling device and secondary battery |
| JP2006253060A (en) * | 2005-03-14 | 2006-09-21 | Nec Lamilion Energy Ltd | Film coated electric device assembly |
| JP2007042453A (en) * | 2005-08-03 | 2007-02-15 | Fuji Heavy Ind Ltd | Aligned structure of storage body cell |
| US7531270B2 (en) * | 2006-10-13 | 2009-05-12 | Enerdel, Inc. | Battery pack with integral cooling and bussing devices |
| JP2009238643A (en) * | 2008-03-27 | 2009-10-15 | Sanyo Electric Co Ltd | Battery block for vehicle |
-
2011
- 2011-01-05 CN CN201110006555.3A patent/CN102117930B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4339049A (en) * | 1980-04-17 | 1982-07-13 | The United States Of America As Represented By The United States Department Of Energy | Containers for use in a self supporting assembly |
| CN101308909A (en) * | 2007-05-16 | 2008-11-19 | 索尼株式会社 | Battery pack |
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Owner name: SAMSUNG SDI CO., LTD. Free format text: FORMER OWNER: SB LIMOTIVE CO., LTD. Effective date: 20130206 Owner name: BOSCH GMBH ROBERT Effective date: 20130206 |
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Effective date of registration: 20130206 Address after: Gyeonggi Do, South Korea Applicant after: Samsung SDI Co., Ltd. Applicant after: Robert Bosch GmbH Address before: Gyeonggi Do, South Korea Applicant before: SB LiMotive Co., Ltd. |
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