CN202019005U - Structure for arranging, connecting and assembling power battery pack - Google Patents
Structure for arranging, connecting and assembling power battery pack Download PDFInfo
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- CN202019005U CN202019005U CN2011201203838U CN201120120383U CN202019005U CN 202019005 U CN202019005 U CN 202019005U CN 2011201203838 U CN2011201203838 U CN 2011201203838U CN 201120120383 U CN201120120383 U CN 201120120383U CN 202019005 U CN202019005 U CN 202019005U
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- plate
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- battery pack
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- electrode connecting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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
Abstract
The utility model discloses a structure for arranging, connecting and assembling a power battery pack, which comprises a shell, cylindrical batteries, electrode connecting pieces and a fixing baffle plate. Each three cylindrical batteries form a module, are connected in parallel by star-shaped electrode connecting pieces, and are arranged into two rows which are arranged in staggered and complementary ways, and two ends of each battery are correspondingly positioned in round positioning caps at the inner sides of a left inner positioning plate and a right inner positioning plate and are fixedly clamped. The wall thicknesses of the round positioning caps at the inner sides of the inner positioning plates are 1-2 mm, and the peripheries of all the round positioning caps are tangent. Anodes and cathodes of the adjacent modules in each row are arranged reversely, and the polarities of first groups of the adjacent rows are opposite. A left outer positioning plate and a right outer positioning plate are arranged at the outer sides of the left inner positioning plate and the right inner positioning plate; the left outer positioning plate is provided with limiting grooves of the electrode connecting pieces and the electrode connecting pieces of the anode and the cathode vertically led out from two ends; the anodes and the cathodes of the corresponding modules between two adjacent rows are connected in series by vertical electrode connecting pieces on the right outer positioning plate; and the inner positioning plates and the outer positioning plates are connected with the shell through surrounding edges around. Groove reinforcing ribs are arranged in the middle of a left side cover plate and a right side cover plate of the shell, and end plates at the two ends are provided with vent holes.
Description
Technical field
The utility model relates to a kind of power battery pack to be arranged and assembles structure, in particular for arrangement and package assembly and the connected mode between the monomer of a kind of battery module of every field such as electric automobile.
Technical background
Electrokinetic cell is the critical component in the electric automobile, and the quality of its performance will directly have influence on the quality of vehicle performance.As the major impetus source of electric automobile, the design of battery pack need be considered several factors, should guarantee that battery performance satisfies the requirement of car load, will guarantee that also battery pack has enough fail safes and reliability simultaneously.Battery pack that prior art provides or battery module, in order to reach higher energy density and power density, by being in series or in parallel to form battery module between monomer, the output voltage of module or electric current improve greatly so mostly, to satisfy the power requirement of electric automobile.Simultaneously, move under the situation of travelling at automobile, each battery cell of power battery pack, link and various detection should have good shock resistance and stability with transducer, guarantee to keep in running environment the stable performance of battery pack.And great changes have taken place for environment such as the region of automobilism, season, and to the insulated enclosure of battery-pack exterior casing, the conduction of interior part connecting part all has high requirements, and also will consider the internal stress that external carbuncles such as external compression and inner expansion rate difference cause.Special because the link that the vibrations friction between parts causes damages or insulation system destruction can cause that battery pack is stopped power supply even short circuit causes heating on fire, these safety problems are the key issue of battery pack structure design especially.
At present, along with the development of hybrid power and clean energy resource, the power battery pack modular structure develops rapidly.The permutation and combination method that the electrokinetic cell pack module comprises a plurality of cells be connected, many-sided technical problem such as isolation structure.At present, how both to be beneficial to ventilation and heat with arrangement mode, compact again convenient the connection is one of problem; Having good shock resistance, stability, fail safe and reliability is two of problem.
Summary of the invention
The utility model provides a kind of power battery pack to arrange and assembles structure at the deficiencies in the prior art, makes this connected mode and structure both be beneficial to ventilation and heat, and compactness conveniently has good shock resistance, stability, fail safe and reliability again.
The technical scheme that the utility model relates to: power battery pack arrangement of the present utility model assembles structure and comprises housing, cylindrical battery, electrode connecting piece, stationary barrier, and its stationary barrier comprises interior location-plate that is used for fixing battery and star electrode connecting piece and the outside fix plate that is used for fixing the straight electrode brace; Two interior location-plates about interior location-plate comprises, there is the circular positioning cap corresponding with the battery head of all arrangements the inboard of interior location-plate, per three circular positioning caps tangent to each other are a module, N module is a row, M arranges altogether, arrange principle and be the high central lines with every row of of equilateral triangle that the circle center line connecting of three tangent circles constitutes, the complementary arrangement of adjacent module; Staggered complementary arrangement the between two rows; The hole that has electrode to expose in the middle of the positioning cap; There is the star stopper slot with star electrode connecting piece coupling in the outside of interior location-plate, and star stopper slot and positioning cap are altogether in same base plate is on the location-plate; The periphery of interior location-plate has the surrounding edge with housing coupling, about plate structure identical mirror image symmetry in location in two; Per three cylindrical batteries are a module, battery two ends correspondence about in the circular positioning cap of two interior location-plate inboards, the both positive and negative polarity reverse arrangement of every row's adjacent module, the polarity of the first group of adjacent row is opposite, by about two interior location-plates N * M battery fixed to clamp, in the star stopper slot in the star electrode connecting piece is embedded in outside the location-plate, with every group of three cylindrical battery parallel connections; About two interior location-plate outsides arrange about two outside fix plates; Have on the outside fix plate of a left side along the first straight electrode brace stopper slot of every row's battery-arrangements direction with by the vertical second straight electrode brace stopper slot of drawing both positive and negative polarity in two ends; Have on the right outside fix plate to connect the 3rd positive and negative straight electrode brace stopper slot between adjacent two rows, the relative orientation of the 3rd straight electrode brace stopper slot is tilted, and the periphery of outside fix plate has the surrounding edge with the housing coupling; Left and right outside fix plate profile mirror image symmetry; On the outside fix plate of a left side between the adjacent a pair of module both positive and negative polarity connect by the first straight electrode brace; The second straight electrode brace is vertically drawn the exit of both positive and negative polarity by two ends; By the 3rd straight electrode brace the positive and negative electrode of corresponding module between adjacent two rows is connected on the right outside fix plate; Inside and outside location-plate is connected with housing by the surrounding edge of periphery.
Boss, the arc bending that adapts to it in the middle of the star electrode connecting piece are arranged in the middle of the star stopper slot in the outside of location-plate in described.
Described cylindrical battery is 36, and branch two is arranged and put 6 groups of every rows.
The shell of described power battery pack is the aluminum metal structure, and shell comprises upper cover plate, lower cover, left and right sides cover plate and two ends end plate; In the middle of the left and right sides cover plate is the groove reinforcement; On the end plate of two ends ventilating opening is arranged.
The shell of described power battery pack is the aluminum metal structure, and shell comprises upper cover plate, lower cover, left and right sides cover plate and two ends end plate; In the middle of the left and right sides cover plate is the groove reinforcement; The two ends end plate is a ladder right angle flap, on the end plate of two ends ventilating opening is arranged.
Described power battery pack is arranged connected mode and package assembly, and the inboard of location-plate design outside compresses boss, three weld locations of the corresponding star electrode connecting piece of boss.
The circular positioning cap wall thickness 1～2mm of location-plate inboard in described, three every group circular positioning cap peripheries are tangent.
The circular positioning cap wall thickness 1～2mm of location-plate inboard in described, all circular positioning cap peripheries are tangent.
The gap of the corresponding position of the spacing spot size of the star stopper slot in the location-plate outside and star electrode connecting piece is 1～2mm in described, the degree of depth of the star stopper slot in the interior location-plate outside and the matched of star electrode connecting piece.
Advantage of the present utility model: the shell of power battery pack is the aluminum metal structure, can effectively protect inherent battery cell and syndeton thereof, reaches withstand voltage and jamproof effect.Inside and outside location-plate is except playing a supporting role, and main is the position of self-contained battery monomer and electrode connecting piece, in case dislocation in use or damage.Per three batteries monomers form the more module of high power capacity earlier by the parallel connection of Y-connection sheet; Between module again by strip busbar series connection, to satisfy dynamic property requirement to electrokinetic cell voltage etc.The ventilating opening of the upper and lower cover plate of shell is staggeredly placed in conjunction with battery cell, forms the air channel in battery pack, has passed through the calculating of analogue simulation, makes battery cell reach the most uniform radiating mode.
Description of drawings
Fig. 1 is for using the power battery pack general assembly outside drawing of a kind of embodiment of the present utility model.
Fig. 2 is for constituting the cover plate up and down and the end plate three-dimensional exploded view of the foregoing description.
Fig. 3 is the anodal connection layout of three batteries monomer parallel connections.
Fig. 4 is the negative pole connection layout of three batteries monomer parallel connections.
Fig. 5 is interior location-plate inside structure figure.
Fig. 6 is interior location-plate outboard structure figure.
Fig. 7 be about in location-plate, battery pack arrange, the star electrode connecting piece connects the back stereogram.
Fig. 8 is the external structure of left outside fix plate.
Fig. 9 is the external structure of right outside fix plate.
Figure 10 is the cut-away view of left and right outside fix plate.
Figure 11 for Fig. 7 packs in the cover plate housing of the no left and right sides with left and right outside fix plate, straight electrode brace position three-dimensional exploded view.
Figure 12 connects battery pack left side, back stereogram for Figure 11.
Embodiment
Below in conjunction with embodiment the technical solution of the utility model is elaborated.
Figure 1 shows that a kind of execution mode of the present utility model, the power battery pack of present embodiment is made of 36 pitch circle cylindricality ferric phosphate lithium cells 10.
As Fig. 1, Fig. 2: the shell of power battery pack is the aluminum metal structure, and shell comprises upper cover plate 101, lower cover 102, left side plate 105,106 and two ends end plate 103,104; In the middle of the left side plate is groove reinforcement 109; Two ends end plate the 103, the 104th, ladder right angle flap constitutes staggered complementary adapt stepped of arranging with two rows, and ventilating opening 107,108 is arranged on the end plate of two ends.Air inlet and air-out window are in diagonal bits, reach radiating effect more uniformly between the battery cell of battery pack inside.During making, cover plate is with two ends end plate blanking up and down, and the cover plate two ends are respectively with the end plate at a part of two ends up and down.
Fig. 3 is the anodal connection layout of three batteries monomer parallel connections, and Fig. 4 is the negative pole connection layout of three batteries monomer parallel connections.
The utility model is with module of the tangent composition of three batteries monomer walls, 10 parallel connections of three batteries monomers.Anodal by positive star electrode connecting piece 41 connections, negative pole is connected by negative star electrode connecting piece 42.
Fig. 5 is interior location-plate inside structure figure, Fig. 6 is interior location-plate outboard structure figure: there is the circular positioning cap 20a corresponding with the battery head of all arrangements the inboard of interior location-plate 20, per three circular positioning cap 20a are tangent to each other to be a module, 6 modules are a row, totally 2 arrange, arrange principle and be the high central lines with every row of of equilateral triangle that the circle center line connecting of three tangent circles constitutes, the complementary arrangement of adjacent module; Staggered complementary arrangement the between two rows; The hole 20d that has electrode to expose in the middle of the positioning cap; There is the star stopper slot 20b with star electrode connecting piece coupling in the outside of interior location-plate, and star stopper slot 20b and positioning cap are altogether in same base plate is on the location-plate 20; Boss 20c is arranged in the middle of the star stopper slot 20b in the outside of interior location-plate, is the arc bending that adapts to boss 20c in the middle of the star electrode connecting piece.Make and isolate between star electrode connecting piece mid portion and the battery cell, reach the effect of insulation.
Inboard circular positioning cap wall thickness 1～2mm, all circular positioning cap peripheries are tangent.
The periphery of interior location-plate 20 has the surrounding edge 20e with housing coupling, about two identical mirror image symmetric arrangement of interior location-plate 20 with 30 structures;
Fig. 7 be about in location-plate, battery pack arrange, the star electrode connecting piece connects the back stereogram:
Per three cylindrical batteries are a module, battery 10 two ends correspondences about in the circular positioning cap 20a (as Fig. 5) of two interior location-plate inboards, the both positive and negative polarity reverse arrangement of every row's adjacent module, the polarity of the first group of adjacent row is opposite, by about two interior location-plates 20 and 30 36 batteries are fixed to clamp, in the star stopper slot in both positive and negative polarity star electrode connecting piece 41,42 is embedded in outside the location-plate, with every group of three cylindrical battery parallel connections.
Fig. 8 is the external structure of left outside fix plate, and Fig. 9 is the external structure of right outside fix plate, and Figure 10 is the cut-away view of left and right outside fix plate:
Have on the left side outside fix plate 50 along the first straight electrode brace stopper slot 50a of every row's battery-arrangements direction with by the vertical second straight electrode brace stopper slot 50b that draws both positive and negative polarity in two ends, the second straight electrode brace stopper slot 50b two ends are that electrode exposes the hole, and periphery has the surrounding edge 50c with the housing coupling; The 3rd straight electrode brace stopper slot 60a that connects positive and negative electrode between adjacent two rows is arranged on the right outside fix plate 60, compress boss 50d in the design of the inboard of left and right sides outside fix plate, three weld locations of the corresponding star electrode connecting piece of boss 50d, can compress the electrode connecting piece pad, prevent solder joint because vibrations get loose.Make cooling air channel get rid of the slit simultaneously and disturb, the sealing effectiveness that reaches effectively improves the cooling effectiveness in air channel in the battery pack.
The relative orientation of the 3rd straight electrode brace stopper slot is tilted, and the periphery of right outside fix plate has the surrounding edge 60b with the housing coupling; Left and right outside fix plate profile mirror image symmetry;
Figure 11 for Fig. 7 packs in the cover plate housing of the no left and right sides with left and right outside fix plate, straight electrode brace position three-dimensional exploded view:
Pack into after Fig. 7 connected in the cover plate housing of the no left and right sides, about two interior location-plates outsides arrange left outside fix plates 50 and right outside fix plate 60, on the left outside fix plate 50 between the adjacent a pair of module both positive and negative polarity connect by the first straight electrode brace 45; The second straight electrode brace 44 is vertically drawn the exit of both positive and negative polarity by two ends; By the 3rd straight electrode brace 43 positive and negative electrode of corresponding module between adjacent two rows is connected on the right outside fix plate 60.Inside and outside location-plate is connected with housing by the surrounding edge of periphery.
Figure 12 connects battery pack left side, back stereogram for Figure 11.
In order to improve fail safe, the outside fix plate adopts the high ABS material of electrical insulating property.Positioning cap constitutes the both positive and negative polarity periphery direction of battery cell is carried out clamping, makes in the battery pack position of battery cell relatively stable, has effectively ensured the power supply of battery, prevents because factors such as vibrations cause the displacement of battery cell and come off.Positioning cap wall thickness 1～2mm has 2～4mm space between the battery cell, be convenient to ventilation and heat, has improved the fail safe of battery module inside.In assembling process, scribble electric insulating sealant between cell and the positioning cap, the side fixed head that can remove the de-clamping cell effectively improves the shock resistance of battery pack because of the space that the dimensional accuracy deviation produces.By the support of inside and outside location-plate, the resistance to pressure of battery pack also increases to some extent simultaneously.
Above-mentioned only is a kind of embodiment of the present utility model, as long as the cell number is three multiple, N module is a row, and M row all can make up according to mentioned above principle altogether, all belongs to protection range of the present utility model.
The utility model is particularly useful for the battery cell of universal models 26650, i.e. diameter 26mm, the lithium-ion battery monomer of length 65mm.For the battery cell of other models, as only needing to revise the size design of invention scheme, also in protection range of the present utility model.
Claims (10)
1. a power battery pack is arranged and is assembled structure, comprise housing, cylindrical battery, electrode connecting piece, stationary barrier, it is characterized in that: stationary barrier comprises interior location-plate that is used for fixing battery and star electrode connecting piece and the outside fix plate that is used for fixing the straight electrode brace; Two interior location-plates about interior location-plate comprises, there is the circular positioning cap corresponding with the battery head of all arrangements the inboard of interior location-plate, per three circular positioning caps tangent to each other are a module, N module is a row, M arranges altogether, arrange principle and be the high central lines with every row of of equilateral triangle that the circle center line connecting of three tangent circles constitutes, the complementary arrangement of adjacent module; Staggered complementary arrangement the between two rows; The hole that has electrode to expose in the middle of the positioning cap; There is the star stopper slot with star electrode connecting piece coupling in the outside of interior location-plate, and star stopper slot and positioning cap are altogether in same base plate is on the location-plate; The periphery of interior location-plate has the surrounding edge with housing coupling, about plate structure identical mirror image symmetry in location in two; Per three cylindrical batteries are a module, battery two ends correspondence about in the circular positioning cap of two interior location-plate inboards, the both positive and negative polarity reverse arrangement of every row's adjacent module, the polarity of the first group of adjacent row is opposite, by about two interior location-plates N * M battery fixed to clamp, in the star stopper slot in the star electrode connecting piece is embedded in outside the location-plate, with every group of three cylindrical battery parallel connections; About two interior location-plate outsides arrange about two outside fix plates; Have on the outside fix plate of a left side along the first straight electrode brace stopper slot of every row's battery-arrangements direction with by the vertical second straight electrode brace stopper slot of drawing both positive and negative polarity in two ends; Have on the right outside fix plate to connect the 3rd positive and negative straight electrode brace stopper slot between adjacent two rows, the relative orientation of the 3rd straight electrode brace stopper slot is tilted, and the periphery of outside fix plate has the surrounding edge with the housing coupling; Left and right outside fix plate profile mirror image symmetry; On the outside fix plate of a left side between the adjacent a pair of module both positive and negative polarity connect by the first straight electrode brace; The second straight electrode brace is vertically drawn the exit of both positive and negative polarity by two ends; By the 3rd straight electrode brace the positive and negative electrode of corresponding module between adjacent two rows is connected on the right outside fix plate; Inside and outside location-plate is connected with housing by the surrounding edge of periphery.
2. power battery pack according to claim 1 is arranged connected mode and package assembly, it is characterized in that: boss is arranged, the arc bending that adapts to it in the middle of the star electrode connecting piece in the middle of the star stopper slot in the outside of interior location-plate.
3. power battery pack according to claim 1 and 2 is arranged connected mode and package assembly, and it is characterized in that: cylindrical battery is 36, and branch two is arranged and put 6 groups of every rows.
4. power battery pack according to claim 1 and 2 is arranged connected mode and package assembly, and it is characterized in that: the shell of power battery pack is the aluminum metal structure, and shell comprises upper cover plate, lower cover, left and right sides cover plate and two ends end plate; In the middle of the left and right sides cover plate is the groove reinforcement; On the end plate of two ends ventilating opening is arranged.
5. power battery pack according to claim 3 is arranged connected mode and package assembly, and it is characterized in that: the shell of power battery pack is the aluminum metal structure, and shell comprises upper cover plate, lower cover, left and right sides cover plate and two ends end plate; In the middle of the left and right sides cover plate is the groove reinforcement; The two ends end plate is a ladder right angle flap, on the end plate of two ends ventilating opening is arranged.
6. power battery pack according to claim 1 and 2 is arranged connected mode and package assembly, it is characterized in that: the inboard of location-plate design outside compresses boss, three weld locations of the corresponding star electrode connecting piece of boss.
7. power battery pack according to claim 1 and 2 is arranged connected mode and package assembly, and it is characterized in that: the circular positioning cap wall thickness 1～2mm of interior location-plate inboard, three every group circular positioning cap peripheries are tangent.
8. power battery pack according to claim 1 and 2 is arranged connected mode and package assembly, and it is characterized in that: the circular positioning cap wall thickness 1～2mm of interior location-plate inboard, all circular positioning cap peripheries are tangent.
9. power battery pack according to claim 1 and 2 is arranged connected mode and package assembly, it is characterized in that: the gap of the spacing spot size of the star stopper slot in the interior location-plate outside and the corresponding position of star electrode connecting piece is 1～2mm, the degree of depth of the star stopper slot in the interior location-plate outside and the matched of star electrode connecting piece.
10. power battery pack according to claim 8 is arranged connected mode and package assembly, it is characterized in that: the gap of the spacing spot size of the star stopper slot in the interior location-plate outside and the corresponding position of star electrode connecting piece is 1～2mm, the degree of depth of the star stopper slot in the interior location-plate outside and the matched of star electrode connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201203838U CN202019005U (en) | 2011-04-22 | 2011-04-22 | Structure for arranging, connecting and assembling power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201203838U CN202019005U (en) | 2011-04-22 | 2011-04-22 | Structure for arranging, connecting and assembling power battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN202019005U true CN202019005U (en) | 2011-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201203838U Expired - Lifetime CN202019005U (en) | 2011-04-22 | 2011-04-22 | Structure for arranging, connecting and assembling power battery pack |
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| CN (1) | CN202019005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208573A (en) * | 2011-04-22 | 2011-10-05 | 东风汽车公司 | Power battery pack arrangement, connection and assembly structure |
-
2011
- 2011-04-22 CN CN2011201203838U patent/CN202019005U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208573A (en) * | 2011-04-22 | 2011-10-05 | 东风汽车公司 | Power battery pack arrangement, connection and assembly structure |
| CN102208573B (en) * | 2011-04-22 | 2013-07-31 | 东风汽车公司 | Power battery pack arrangement, connection and assembly structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111026 |