CN202189848U - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN202189848U CN202189848U CN2011203042012U CN201120304201U CN202189848U CN 202189848 U CN202189848 U CN 202189848U CN 2011203042012 U CN2011203042012 U CN 2011203042012U CN 201120304201 U CN201120304201 U CN 201120304201U CN 202189848 U CN202189848 U CN 202189848U
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- China
- Prior art keywords
- battery separator
- side battery
- cell
- projection
- wall
- 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
Abstract
The utility model discloses a battery pack. The battery pack comprises a plurality of series-connected integrated battery sub-modules, wherein each battery sub-module comprises a parallel-connected integrated single battery unit. The battery pack realizes connection of two single batteries by using an isolation pad; the connection quality of the isolation pad does not influence the connection qualities of other isolation pads; in addition, the short and small pad is not easy to bend and can provide a good contact surface; therefore, the single batteries can be connected in parallel to form the sub-modules, and then, the sub-modules are assembled as the battery pack by series connection so as to meet the requirements of various voltages and currents; the number of the single batteries can be regulated according the current and voltage as needed; and the battery pack provided by the utility model has the characteristics of compact structure, stable performance and long service time, and is suitable for providing electric energy for an electric automobile or an automobile with an electric hybrid driving device.
Description
Technical field
The utility model belongs to the electric supply installation field, relates to a kind of battery pack that contains a plurality of cells, especially for pure electric automobile or motor vehicle driven by mixed power, have a battery pack of a plurality of serial or parallel connections unit.
Background technology
Power car, for example, hybrid vehicle need use multiple propulsion system to come for it power to be provided.The modal oil-electricity mixed power automobile that is, it uses gasoline (diesel oil) to drive explosive motor (internal combustion engine), and electrokinetic cell comes drive motor.This type hybrid vehicle comes to be power battery charging through the braking kinetic energy of catching regeneration.Under normal smooth-ride or idling conditions, some outputs that fuel oil starts can feed back to generator (being that motor operates under the power generation mode), the electric energy that produces are used for the charging of battery.The battery of different therewith is pure electric automobile then needs outside power supply, electrical network for example, a perhaps outside charging station.Nearly all hybrid vehicle still needs gasoline or diesel oil, or the ethanol that uses once in a while, and plant wet goods fuel is as its unique fuel.
Battery is known very important energy storage component.Battery or electric core comprised positive and negative electrode and between the conduction ion electrolyte.Battery pack particularly uses the battery pack of lithium ion chargeable owing to possessing, and does not have the characteristic of Memorability, and it is become more and more popular in automotive applications and the electric apparatus field of various commerce.
Various for charging and the discharging current automobile or industrial application of having relatively high expectations in, be necessary very much cell is together in parallel to reach suitable, enough electric currents.Battery after the parallel connection is series connected to reach enough required voltages again.Thereby these may be owing to effectively electrically contacting the increase that causes temperature inadequately to the extra connection of cell.In addition, bad be electrically connected the internal resistance that also can increase battery module, therefore reduce performance, efficient and whole battery life; Generally, people need remove to create the battery storage system of a high electric current.In order to carry high electric current, need to connect each cell through a thicker cross section bus from a plurality of cells.It will be a challenge that a plurality of very thin cell labels are welded on the very thick bus.
In addition, in being connected in series, the cell brace also needs enough big electric contact-making surface.Certainly, also have a major criterion battery pack is taken up room to minimize through reducing cell integrated volume exactly.
Summary of the invention
The technical problem that the utility model will solve; Provide a kind of battery pack; The automobile that is used to electric automobile or has an electronic hybrid drive provides electric energy power; Utilize isolating pad to realize the connection between two cells, the quality of connection of isolating pad can not have influence on the quality of connection of other isolating pad in the submodule; In addition, short and small pad is not flexible, and a good contact-making surface can be provided, thereby can be unified into submodule through parallel way between cell, be battery pack with warp series connection assembly between submodule again, to satisfy the demand of various voltage and currents.What of cell can be according to actual needs the adjusting of electric current and voltage.The compact conformation of the utility model battery pack, stable performance, long service life.
The utility model is for solving the problems of the technologies described above, and the technical scheme that is adopted is;
A kind of battery pack comprises a plurality of battery submodules that are serially connected with one, and each battery submodule comprises the cell unit that is parallel to one, and wherein: 1. said cell unit comprises a bag shape cell, left side battery separator and right side battery separator; Said bag shape cell is the thick thin all around structure in central body place, and its two ends are respectively anodal, negative pole; Left side battery separator and right side battery separator are arranged at the outside on the two sides, the left and right sides of bag shape cell respectively; The right side of left side battery separator has and the first suitable groove of a left side half outline of cell, and correspondingly the left side of right side battery separator has and the second suitable groove of the right side half outline of cell; Left side battery separator connects with edge, the front and back foreign minister of right side battery separator in cell, in the cavity volume that cell is positioned to be made up of first groove and second groove;
2. the positive pole of cell, negative pole make progress, protrude in top edge, the lower limb of left side battery separator and right side battery separator respectively downwards; Left side battery separator and right side battery separator are ladder shape rack-like structures, about their periphery is, about all symmetrical shaped as frame structure, be penetrating room between the step of middle part;
3. the left wall of the front vertical frame of the periphery frame of left side battery separator and rear vertical frame is distributed with between the upper and lower at a distance from the protruding and left wall depression of the left wall that is provided with; The front vertical frame of the periphery frame of right side battery separator and the right wall of rear vertical frame are distributed with protruding with right wall at a distance from the right wall depression that is provided with between the upper and lower; Wall protruding and right wall depression in a left side is suitable, and left wall depression is suitable with right wall convexity;
Upper end, lower end, the centre of the front and back stile of the periphery square frame of right side battery separator are respectively equipped with interface arrangment, are connected in one through interface arrangment left side battery separator and right side battery separator.
The structure of battery submodule is such: the upper transverse frame of left side battery separator and the left wall of lower transverse frame are provided with the left projection that extends to left-hand corresponding to below, the place, top of the electrode tip of cell; The upper transverse frame of right side battery separator and the right wall of lower transverse frame are provided with the right projection that extends to dextrad corresponding to below, the place, top of the electrode tip of cell;
Link through the projection cushion block in left projection and right projection place between two cell unit, the projection cushion block is the bulk of band protruding rod hole, and the direction of protruding rod hole, structure and left projection, right projection are complementary; Between the cell unit in their electrode tip, projection cushion block place on bus pad, screw connect firmly to battery submodule, be equipped with the screw hole that matches with screw on projection cushion block, the electrode tip, screw then can directly be fastened to bus and connect on the cushion block; The top of bus pad, screw is provided with the electric insulation cover;
The bottom of electric insulation cover has ∏ shape elasticity card base, through elasticity card base electric insulation cover and left side battery separator, right side battery separator clamping.
The preceding upper end of left side battery separator, right side battery separator, upper end, back, preceding lower end, posterior end are provided with along the penetrating connecting rod hole of left and right directions, are connected in one in place, connecting rod hole successively through connecting rod between battery submodule.
Right side battery separator is provided with along the penetrating temperature-sensitive groove of left and right directions, and there is temperature sensor the location.
Owing to adopted above-mentioned technical scheme, the utility model compared with prior art, the technological progress that is obtained is: the utility model battery separator is designed with mutual card interlocking characteristic, can guarantee the globality of assembling; The supporting structure of battery separator is not merely cell overall structural support is provided, and the cooling requirement of the cell of appropriateness can also be satisfied in the cooling duct between its step, thereby guarantees that battery has stable performance, prolongs its useful life.The utility model is applicable to various pure electric automobiles, hybrid vehicle provides supply of electrical energy.
The utility model below will combine Figure of description and specific embodiment to do further explain.
Description of drawings
Fig. 1 is the assembly relation sketch map of bag shape cell 1 and left side battery separator 2, right side battery separator 3 in the cell unit 16 of the utility model embodiment;
Fig. 2 is the cell unit 16 overall structure sketch mapes of the utility model embodiment;
Fig. 3 is the assembling sketch map of the battery submodule 19 of the utility model embodiment;
Fig. 4 is the assembling sketch map of the utility model embodiment battery pack.
Among the figure: 1-cell, 2-left side battery separator, 3-right side battery separator, 4-positive pole, 5-negative pole; 10-interface arrangment, 11-rack-like structures, 12-penetrating room, 13-temperature-sensitive groove, 15-projection cushion block; 16-cell unit, 17-left wall is protruding, 18-left wall depression, 19-battery submodule; 20-connecting rod hole, 21-bus pad, 22-screw, 23-electric insulation cover.
Embodiment
Embodiment
A kind of battery pack like Fig. 1-shown in Figure 4, comprise a plurality of battery submodules 19 that are serially connected with one, and each battery submodule 19 comprises the cell unit 16 that is parallel to one.
(1) each cell unit 16 comprises a bag shape cell 1, left side battery separator 2 and right side battery separator 3.Wherein:
1. bag shape cell 1 is the thick thin all around structure in central body place, and its two ends are respectively positive pole 4, negative pole 5.
Left side battery separator 2 and right side battery separator 3 are arranged at the outside on the two sides, the left and right sides of bag shape cell 1 respectively; The right side of left side battery separator 2 has and the first suitable groove of a left side half outline of cell, and correspondingly the left side of right side battery separator 3 has and the second suitable groove of the right side half outline of cell; Left side battery separator 2 connects with edge, the front and back foreign minister of right side battery separator 3 in cell 1, in the cavity volume that cell 1 is positioned to be made up of first groove and second groove.
2. the positive pole 4 of cell 1, negative pole 5 make progress, protrude in top edge, the lower limb of left side battery separator 2 and right side battery separator 3 respectively downwards.
Left side battery separator 2 is ladder shape rack-like structures 11 with right side battery separator 3, about their periphery is, about equal shaped as frame structures of symmetry, be penetrating room 12 between the step of middle part.
3. the left wall of the front vertical frame of the periphery frame of left side battery separator 2 and rear vertical frame is distributed with between the upper and lower at a distance from left wall that is provided with protruding 17 and left wall depression 18; The front vertical frame of the periphery frame of right side battery separator 3 and the right wall of rear vertical frame are distributed with protruding with right wall at a distance from the right wall depression that is provided with between the upper and lower; Left side wall protruding 17 is suitable with right wall depression, and left wall depression 18 is suitable with right wall convexity.
Upper end, lower end, the centre of the front and back stile of the periphery square frame of right side battery separator 3 are respectively equipped with interface arrangment 10, are connected in one through interface arrangment 10 left side battery separators 2 with right side battery separator 3.
(2) structure of battery submodule 19 is such:
The upper transverse frame of left side battery separator 2 and the left wall of lower transverse frame are provided with the left projection that extends to left-hand corresponding to below, the place, top of the electrode tip of cell 1; The upper transverse frame of right side battery separator 3 and the right wall of lower transverse frame are provided with the right projection that extends to dextrad corresponding to below, the place, top of the electrode tip of cell 1;
16 of two cell unit link through projection cushion block 15 in left projection and right projection place, and projection cushion block 15 is the bulk of band protruding rod hole, and the direction of protruding rod hole, structure and left projection, right projection are complementary; 16 electrode tips in them in cell unit, projection cushion block 15 places are on bus pad 21, screw 22 connect firmly to battery submodule 19; Be equipped with the screw hole that matches with screw 22 on projection cushion block 15, the electrode tip, 22 on screw can directly be fastened to bus and connect on the cushion block 15; The top of bus pad 21, screw 22 is provided with electric insulation cover 23;
The bottom of electric insulation cover 23 has ∏ shape elasticity card base, through elasticity card base electric insulation cover 23 and left side battery separator 2, right side battery separator 3 clampings.
The preceding upper end of left side battery separator 2, right side battery separator 3, upper end, back, preceding lower end, posterior end are provided with along the penetrating connecting rod hole 20 of left and right directions, and 19 of battery submodules are connected in one in 20 places, connecting rod hole through connecting rod successively.
(3) right side battery separator 3 is provided with along the penetrating temperature-sensitive groove 13 of left and right directions, and there is temperature sensor the location.
Claims (3)
1. a battery pack comprises a plurality of battery submodules (19) that are serially connected with one, and each battery submodule (19) comprises the cell unit (16) that is parallel to one,
It is characterized in that:
1. said cell unit (16) comprises a bag shape cell (1), left side battery separator (2) and right side battery separator (3); Said bag shape cell (1) is the thick thin all around structure in central body place, and its two ends are respectively anodal (4), negative pole (5); Left side battery separator (2) and right side battery separator (3) are arranged at bag outside on the two sides, the left and right sides of shape cell (1) respectively; The right side of left side battery separator (2) has and the first suitable groove of a left side half outline of cell, and correspondingly the left side of right side battery separator (3) has and the second suitable groove of the right side half outline of cell; Left side battery separator (2) connects with edge, the front and back foreign minister of right side battery separator (3) in cell (1), in the cavity volume that cell (1) is positioned to be made up of first groove and second groove; 2. the positive pole (4) of cell (1), negative pole (5) make progress, protrude in top edge, the lower limb of left side battery separator (2) and right side battery separator (3) respectively downwards; Left side battery separator (2) and right side battery separator (3) are ladder shape rack-like structures (11), about their periphery is, about all symmetrical shaped as frame structure, be penetrating room (12) between the step of middle part;
3. the left wall of the front vertical frame of the periphery frame of left side battery separator (2) and rear vertical frame is distributed with between the upper and lower at a distance from the left wall protruding (17) and left wall depression (18) that are provided with; The front vertical frame of the periphery frame of right side battery separator (3) and the right wall of rear vertical frame are distributed with protruding with right wall at a distance from the right wall depression that is provided with between the upper and lower; Left side wall protruding (17) is suitable with right wall depression, and left wall depression (18) is suitable with right wall convexity;
Upper end, lower end, the centre of the front and back stile of the periphery square frame of right side battery separator (3) is respectively equipped with interface arrangment (10), is connected in one through interface arrangment (10) left side battery separator (2) and right side battery separator (3).
2. a kind of battery pack according to claim 1,
It is characterized in thatThe structure of battery submodule (19) is such: the upper transverse frame of left side battery separator (2) and the left wall of lower transverse frame are provided with the left projection that extends to left-hand corresponding to below, the place, top of the electrode tip of cell (1); The upper transverse frame of right side battery separator (3) and the right wall of lower transverse frame are provided with the right projection that extends to dextrad corresponding to below, the place, top of the electrode tip of cell (1);
Link through projection cushion block (15) in left projection and right projection place between two cell unit (16), projection cushion block (15) is the bulk of band protruding rod hole, and the direction of protruding rod hole, structure and left projection, right projection are complementary; Locate on bus pad (21), screw (22) connect firmly to battery submodule (19) in their electrode tip, projection cushion block (15) between cell unit (16); Be equipped with the screw hole that matches with screw (22) on projection cushion block (15), the electrode tip, screw (22) is fastened on the projection cushion block (15); The top of bus pad (21), screw (22) is provided with electric insulation cover (23);
The bottom of electric insulation cover (23) has ∏ shape elasticity card base, through elasticity card base electric insulation cover (23) and left side battery separator (2), right side battery separator (3) clamping;
The preceding upper end of left side battery separator (2), right side battery separator (3), upper end, back, preceding lower end, posterior end are provided with along the penetrating connecting rod hole (20) of left and right directions, locate to be connected in one successively through connecting rod in connecting rod hole (20) between battery submodule (19).
3. a kind of battery pack according to claim 1 and 2,
It is characterized in that:Right side battery separator (3) is provided with along the penetrating temperature-sensitive groove (13) of left and right directions, and there is temperature sensor the location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203042012U CN202189848U (en) | 2011-08-19 | 2011-08-19 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203042012U CN202189848U (en) | 2011-08-19 | 2011-08-19 | Battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202189848U true CN202189848U (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203042012U Expired - Lifetime CN202189848U (en) | 2011-08-19 | 2011-08-19 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202189848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306720A (en) * | 2011-08-19 | 2012-01-04 | 石家庄杰泰特电子科技有限公司 | Battery pack |
-
2011
- 2011-08-19 CN CN2011203042012U patent/CN202189848U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306720A (en) * | 2011-08-19 | 2012-01-04 | 石家庄杰泰特电子科技有限公司 | Battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHIJIAZHUANG JTT POWER ENERGY CO., LTD. Free format text: FORMER NAME: SHIJIAZHUANG JIETAITE ELECTRONIC TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 050200 No. 221 Xiangyang Street, Shijiazhuang, Hebei, Luquan Patentee after: JTT Electronics Ltd. Address before: 050200 No. 221 Xiangyang Street, Shijiazhuang, Hebei, Luquan Patentee before: Shijiazhuang Jietaite Electronic Technology Co.,Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120411 Effective date of abandoning: 20131016 |
|
| RGAV | Abandon patent right to avoid regrant |