CN201345386Y - Vehicle power battery pack - Google Patents
Vehicle power battery pack Download PDFInfo
- Publication number
- CN201345386Y CN201345386Y CNU2008202124263U CN200820212426U CN201345386Y CN 201345386 Y CN201345386 Y CN 201345386Y CN U2008202124263 U CNU2008202124263 U CN U2008202124263U CN 200820212426 U CN200820212426 U CN 200820212426U CN 201345386 Y CN201345386 Y CN 201345386Y
- Authority
- CN
- China
- Prior art keywords
- panel
- battery pack
- baffle plate
- power battery
- edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a vehicle power battery pack, which comprises a plurality of monomeric batteries (3), a baffle (1) and a panel (2), wherein the baffle (1) has corresponding clamp edges (11) of the baffle; through holes (9) are arranged on the clamp edges (11) of the baffle; the outer surface of the panel (2) is provided with concave holes (10) corresponding to the through holes (9); the panel (2) has corresponding panel clamp edges (13) which extend out in a mode perpendicular to the panel (2); the corresponding panel (2) is clamped between the corresponding clamp edges (11) of the baffle plate (1); and pins are inserted in the through holes (9) and the concave holes (10) and the monomeric batteries (3) are respectively clamped between the panel clamp edges (13). Thereby, only through the structural design of the baffle (1) and the panel (2) in two directions, the fixation in three directions is realized, the structure is simplified, and the assembling procedure is simplified.
Description
Technical field
The present invention relates to the power battery pack used on a kind of automobile, particularly a kind of power battery pack that comprises a plurality of cells, baffle plate, panel.
Background technology
Along with the raising of people to environmental requirement, it will be a development in future direction that EV (electric automobile) or HEV (mixed power vehicle) substitute fuel-engined vehicle, in the vehicles such as EV, HEV, general all is to adopt the power battery pack that is formed by connecting by a plurality of cells, satisfies the demand of high-power output with this.The design of battery pack need be considered several factors, should guarantee that battery performance satisfies automobile demand, simultaneously to guarantee that also battery has enough fail safes, reliability, in addition, also need to consider cooperating to reduce complete vehicle quality and volume between battery pack and the automobile, these are all close with the structural relation of power battery pack.
Figure 1 shows that a kind of known configurations of prior art medium power battery pack, wherein, power battery pack is linked together by a plurality of cells 3, is provided with dividing plate 4 between the cell 3, fixes battery pack by baffle plate 1 and pull bar then.As shown in Figure 1, this structure is from X and Z both direction self-contained battery group, and in this kind structure, battery pack only is fixed by baffle plate 1 and pull bar on X, Z both direction, but in the Y direction without any fixation.The battery pack that is installed in automotive interior can be subjected to the impact of different directions power in the process of moving, particularly under the situation of side impact, battery is easy to produce dislocation on the Y direction, and, if collision makes special circumstances such as battery generation leakage, the battery pack of this kind structure very easily produces risk of short-circuits, thereby reduces the reliability and the fail safe of battery pack.
Summary of the invention
Technical problem to be solved by this invention provides a kind of power battery pack, and this power battery pack can guarantee that not only battery pack is fixed on X, Y, three directions of Z, and structure simplifies, and assembling procedure is simple.
The technical problem that the present invention further will solve provides a kind of power battery pack, and the structure of this power battery pack can guarantee that not only battery pack is fixed on X, Y, three directions of Z, and can seal it.
For solving the problems of the technologies described above, the invention provides a kind of power battery pack, this power battery pack comprises a plurality of cells, these a plurality of cells are regularly arranged and place between the relative baffle plate in the position panel relative with the position, wherein, the both sides of the edge of described baffle plate have stretches out perpendicular to baffle plate, relative baffle plate edge, this baffle plate edge is provided with through hole, described panel outer surface is provided with the shrinkage pool corresponding with this through hole, and described panel has in its both sides of the edge perpendicular to described baffle plate and to stretch out perpendicular to panel, relative panel edge, described relative panel and described baffle plate are connected and fixed by be inserted with latch in described through hole and shrinkage pool, and the contact jaw of described a plurality of cells and described panel is stuck between the panel edge of described panel.
As the improved technical scheme of the present invention, described panel can also be provided with positive stop lug boss in its relative panel edge inboard.
Simultaneously, for solving the further technical problem of the present invention, on the basis of technique scheme, power battery pack provided by the invention also comprises the side plate that is installed in the battery pack both sides, and is separately installed with sealing gasket in baffle plate, panel and side plate junction separately.Wherein, the material of described side plate is the compound of polyphenylene oxide and glass fibre.The matrix thickness of described side plate is 3mm-5mm.It is 5mm-10mm side plate reinforcement that the outer surface of described side plate is provided with thickness.Described side plate is fixed on the described panel by securing member.
The quantity of the through hole on each edge of described plate washer is 2-4.
Described baffle plate adopts plastic material, is preferably the compound of polyphenylene oxide and glass fibre, and wherein, the matrix thickness of described baffle plate is 3mm-5mm, and its outer surface is provided with the baffle plate reinforcement that thickness is 5mm-12mm.
Described panel adopts plastic material, is preferably the compound of polyphenylene oxide and glass fibre, and wherein, the matrix thickness of described panel is 3mm-5mm, and it is 5mm-10mm panel reinforcement that its outer surface is provided with thickness.
Baffle plate and panel are connected and fixed by mating holes and latch between the two, owing to relative baffle plate inner surface separately all closely contacts with the cell group, thereby can realize directions X, also are the spacing of cell thickness direction; Panel is stuck between the relative edge of baffle plate and is fixed, and the inner surface of relative panel all closely contacts with the cell group, thereby realizes that promptly the cell Width is spacing to the Z direction; By the relative panel edge on the face plate edge, cell is stuck between the panel edge,, can also positive stop lug boss be set in panel edge inboard cell is fixed for further accurately locating, thereby can realize the direction to Y, promptly the cell length direction is spacing.Simultaneously, in further solution,, and side plate is fixed on the panel, has further strengthened spacing on battery pack X, Y, the Z direction by securing member by the side plate that increases.In addition, rubber seal is installed respectively, thereby the cavity after baffle plate, panel and the side plate combination is formed sealing in baffle plate, panel, side plate junction separately.Separate with dividing plate between the battery cell, can avoid the contact between the monomer housing, reduce short risk.
Therefore, power battery pack of the present invention has following advantage: (1) can carry out well spacing to the cell all directions, improves the battery pack reliability, prolongs battery useful life; (2) by the structural design of baffle plate and panel both direction, just realized the fixing of three directions, simplified structure, reduce the vehicle mounted dynamic battery group and taken volume, also simplified the battery pack production process simultaneously; (3) this vehicle mounted dynamic battery group can be avoided the contact between the monomer housing, reduces short risk; (4) owing to adopted plastic cement baffle plate and panel, greatly reduce the power brick body weight, and then alleviated complete vehicle quality; (5) this vehicle mounted dynamic battery group has adopted hermetically-sealed construction, can prevent from when battery from incurring loss leakage takes place and causes the generation of situation such as short circuit.
Description of drawings
Fig. 1 is the installation diagram of a kind of power battery pack of known configurations in the prior art;
Fig. 2 is the installation diagram of power battery pack of the present invention;
The partial cross section figure that Fig. 3 dissects along the I-I line among Fig. 2 for baffle plate;
Fig. 4 is the side plate front view;
The sectional view that Fig. 5 dissects along the II-II line among Fig. 2 for panel.
Embodiment
Below in conjunction with description of drawings preferred implementation of the present invention.
What need at first explanation is, " forward and backward ", " left and right " of adopting at our department branch, " upper and lower " etc. are represented the term in orientation, wherein, so-called " forward and backward " represents the thickness direction along cell in the accompanying drawings, be the directions X in the accompanying drawing, so-called " left and right " represents the length direction along cell, i.e. Y direction in the accompanying drawing in the accompanying drawings, so-called " upper and lower " represents the Width along cell, i.e. Z direction in the accompanying drawing in the accompanying drawings.These terms only use for convenience of description, can not be interpreted as limitation of the present invention, and protection scope of the present invention is as the criterion with claim.
With reference to Fig. 2, each part of power battery pack of the present invention is described earlier.
The material of baffle plate 1 is PPO+30%GF (polyphenylene oxide adds 30% glass fibre), and its outer surface is distributed with baffle plate reinforcement 6, guarantees baffle plate 1 intensity.While is respectively arranged with relative baffle plate edge 11 (referring to Fig. 3) in the position at its upper and lower edge of baffle plate 1, and baffle plate edge 11 is provided with through hole 9.The matrix thickness of baffle plate 1 is 3-5mm, and the thickness of reinforcement 6 is 5-12mm, and reinforcement 6 is distributed on the baffle plate 1 in length and breadth according to the stressing conditions of baffle plate 1.
The material of panel 2 is similarly PPS+30%GF, and its outer surface is distributed with panel reinforcement 7, guarantees the intensity of panel 2.Simultaneously be provided with shrinkage pool 10 at panel 2, the position of shrinkage pool 10 and quantity are corresponding with through hole 9 on the baffle plate 1.The matrix thickness of panel 2 is 3mm-5mm, and the thickness of panel reinforcement 7 is 5mm-10mm, and panel reinforcement 7 is distributed on the outer surface of panel 2 in length and breadth according to the stressing conditions of panel 2.In addition, panel 2 has in its both sides of the edge perpendicular to baffle plate 1 perpendicular to that stretch out, the relative panel edge 13 of panel 2, and spacing for better carrying out, the inboard of panel edge 13 also is provided with relative positive stop lug boss 12 (referring to Fig. 5).In Fig. 2, for easy for installation, panel 2 is reserved with and the corresponding installing hole of screwed hole 8 on the side plate 5, certainly under other mounting meanss, for example bondingly might not reserve this installing hole.
The material of side plate 5 is similarly PPS+30%GF, and its outer surface is distributed with the side plate reinforcement, guarantees the intensity of side plate 5.The matrix thickness of side plate 5 is 3mm-5mm, and the thickness of its outer surface reinforcement is 5mm-10mm.Referring to Fig. 4, also be provided with the screwed hole 8 that is used to install on it.
In addition, dividing plate 4 adopts plastic materials, requires insulation, certain mechanical strength is arranged, wear-resisting, thermal denaturation temperature, low temperature embrittlement and resistance to chemical attack; Cell 3 is the lithium battery that adopts usually.
The following describes the location structure on three directions of X, Y, Z of this power battery pack.
As shown in Figure 2, separate with dividing plate 4 between the cell 3, cell 3 places between forward and backward baffle plate 1 and the upper and lower panel 2, under installment state, upper and lower panel 2 is stuck between the edge of baffle plate 1, insertion latch in the shrinkage pool 10 of the edge through hole 9 of forward and backward baffle plate 1 and the upper and lower panel 2 corresponding simultaneously with through hole 9, thereby forward and backward baffle plate 1 is fixed, because the inner surface of forward and backward baffle plate 1 closely contacts with cell 3, thereby can realize cell 3 spacing on directions X, also be the spacing of cell 3 thickness directions.
As Fig. 2, shown in Figure 3, on baffle plate 1 has, following relative baffle plate edge 11, and has through hole 9 on the baffle plate edge 11, panel 2 is provided with the shrinkage pool 10 that cooperates with it corresponding to the position of through hole 9 simultaneously, when mounted, to go up, before lower panel 2 is stuck in power battery pack, on the backboard, between the lower baffle plate edge 11, insert latch at through hole 9 and shrinkage pool 10 simultaneously, baffle plate 1 and panel 2 are fixed, because it is last, the inner surface of lower panel 2 closely contacts with cell 3, thereby realizing cell spacing in the Z direction, also is spacing on cell 3 Widths.
As Fig. 2, shown in Figure 4, the left and right edge of panel 2 is provided with panel edge 13, when mounted, make the lower end of cell 3 be stuck between the left/right panel edge 13 of lower panel 2, make the upper end of cell 3 be stuck between the left/right panel edge 13 of top panel 2 simultaneously, thereby having realized cell 3 spacing in the Y direction, also is the spacing of length direction.Better spacing for carrying out, as shown in Figure 4, the inboard of panel edge 13 also is provided with relative positive stop lug boss 12, cell 3 can be stuck in positive stop lug boss 12 when mounted, positions accurately.
In addition, in order further to strengthen the location of battery pack X, Y, Z direction, and realize the sealing of battery pack simultaneously, side plate 5 can be installed in the left and right sides of battery pack, and be separately installed with sealing gasket in baffle plate 1, panel 2, side plate 5 junction separately.
The following assemble method that this power battery pack is described with reference to Fig. 2.
At first, lower panel 2 is placed on the edge 11 of forward and backward baffle plate 1 lower limb, and plate 2 is installed sealing gasket with the junction of forward and backward baffle plate 1 below, simultaneously insertion latch in the corresponding shrinkage pool 10 on the edge through hole 9 of baffle plate 1 lower limb and lower panel 2;
Secondly, arrange a plurality of cells 3 below on the inner surface of plate 2, between per two cells 3, dividing plate 4 is set, and the lower end of each cell group 3 is stuck between the left and right positive stop lug boss 12 of described lower panel 2;
Once more, top panel 2 is installed to the battery pack upper surface, make top panel 2 be inserted in the below of the edge 11 of forward and backward baffle plate 1 top edge, and plate 2 is installed sealing gasket with the junction of forward and backward baffle plate 1 in the above, the upper end of cell group 4 is stuck between the left and right positive stop lug boss 12 of described top panel 3, and on the edge through hole 9 of baffle plate 1 top edge and top panel 2 insertion latch in the corresponding shrinkage pool 10;
At last, left and right side plate 5 is installed to the left and right side of battery pack, and sealing gasket is installed, and the screw hole 8 that screw is screwed on the side plate 5 carries out fastening in the corresponding separately junction of side plate 5 and baffle plate 1, panel 2.
Claims (12)
1. power battery pack, this power battery pack comprises a plurality of cells (3), these a plurality of cells (3) are regularly arranged and place between the relative baffle plate in position (1) panel (2) relative with the position, wherein, the both sides of the edge of described baffle plate (1) have stretches out perpendicular to baffle plate (1), relative baffle plate edge (11), this baffle plate edge (11) is provided with through hole (9), described panel (2) outer surface is provided with the shrinkage pool (10) corresponding with this through hole (9), and described panel (2) has in its both sides of the edge perpendicular to described baffle plate (1) and to stretch out perpendicular to panel (2), relative panel edge (13), described relative panel (2) is connected and fixed by be inserted with latch in described through hole (9) and shrinkage pool (10) with described baffle plate (1), and the contact jaw of described a plurality of cells (3) and described panel (2) is stuck between the panel edge (13) of described panel (2).
2. power battery pack according to claim 1, wherein, described panel (2) also is provided with positive stop lug boss (12) in its relative panel edge (13) inboard.
3. power battery pack according to claim 1, wherein, described power battery pack also comprises the side plate (5) that is installed in the battery pack both sides, and is separately installed with sealing gasket in baffle plate (1), panel (2) and side plate (5) junction separately.
4. power battery pack according to claim 3, wherein, described side plate (5) is fixed on the described panel (2) by securing member.
5. power battery pack according to claim 4, wherein, the matrix thickness of described side plate (5) is 3mm-5mm.
6. power battery pack according to claim 5, wherein, the outer surface of described side plate (5) is provided with the side plate reinforcement that thickness is 5mm-10mm.
7. power battery pack according to claim 1, wherein, through hole (9) quantity on each plate washer edge (11) of described plate washer (1) is 2-4.
8. according to each described power battery pack of claim 1-7, wherein, be provided with dividing plate (4) between per two of described a plurality of cells (3).
9. power battery pack according to claim 8, wherein, the matrix thickness of described baffle plate (1) is 3mm-5mm.
10. power battery pack according to claim 9, wherein, the outer surface of described baffle plate (1) is provided with the baffle plate reinforcement (6) that thickness is 5mm-12mm.
11. power battery pack according to claim 8, wherein, the matrix thickness of described panel (2) is 3mm-5mm.
12. power battery pack according to claim 11, wherein, the outer surface of described panel (2) is provided with the panel reinforcement (7) that thickness is 5mm-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202124263U CN201345386Y (en) | 2008-10-09 | 2008-10-09 | Vehicle power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202124263U CN201345386Y (en) | 2008-10-09 | 2008-10-09 | Vehicle power battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201345386Y true CN201345386Y (en) | 2009-11-11 |
Family
ID=41276970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202124263U Expired - Lifetime CN201345386Y (en) | 2008-10-09 | 2008-10-09 | Vehicle power battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201345386Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719537B (en) * | 2008-10-09 | 2012-05-09 | 比亚迪股份有限公司 | Power battery pack for vehicle |
| CN102891271A (en) * | 2012-10-17 | 2013-01-23 | 安徽江淮汽车股份有限公司 | Deformation restraint battery pack module structure |
-
2008
- 2008-10-09 CN CNU2008202124263U patent/CN201345386Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719537B (en) * | 2008-10-09 | 2012-05-09 | 比亚迪股份有限公司 | Power battery pack for vehicle |
| CN102891271A (en) * | 2012-10-17 | 2013-01-23 | 安徽江淮汽车股份有限公司 | Deformation restraint battery pack module structure |
| CN102891271B (en) * | 2012-10-17 | 2015-02-25 | 安徽江淮汽车股份有限公司 | Deformation restraint battery pack module structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091111 |