CN105591059A - Lithium ion battery pack - Google Patents
Lithium ion battery pack Download PDFInfo
- Publication number
- CN105591059A CN105591059A CN201511024780.4A CN201511024780A CN105591059A CN 105591059 A CN105591059 A CN 105591059A CN 201511024780 A CN201511024780 A CN 201511024780A CN 105591059 A CN105591059 A CN 105591059A
- Authority
- CN
- China
- Prior art keywords
- battery
- cylinder manifold
- lithium ion
- bronze medal
- hole
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to the field of lithium ion batteries, in particular to a lithium ion battery pack. Nickel connecting pieces and copper bus boards are connected through ultrasonic welding, the structure is firm, pseudo welding is avoided, and the welding stability and the circuit connection reliability can be ensured; the copper bus boards are mounted on battery supports through buckling devices, the assembly and disassembly are more convenient, and maintenance and battery replacement on the battery supports are facilitated; the copper bus boards are fixed on the battery supports through extending parts of the copper bus boards after being fixedly mounted through the buckling devices, and accordingly, the copper bus boards and the battery supports are more firmly mounted; the two battery supports are provided with fixing rods, the two fixing rods are fixedly connected through screw rods, the relative position of the two battery supports is fixed, a battery arranged between the two battery supports is relatively fixed, the power supply safety of the battery is ensured, and the service life of the battery is prolonged.
Description
Technical field
The present invention relates to lithium ion battery field, relate in particular to a kind of lithium ion battery group.
Background technology
Lithium ion battery has that energy density is large, power output is high, discharge and recharge long, pollution-free, work of life-spanThe plurality of advantages such as the wide and self discharge of temperature range is little. What lithium ion battery was a large amount of at present is applied in electric automobile neckTerritory, because the multiple batteries of needs provide large electric current and large voltage in series-parallel mode as electric automobile, formsLithium ion battery group, therefore the structural stability problem of lithium ion battery group receives much concern.
Conventionally the mode that the both positive and negative polarity contact chip of battery adopts slot to embed is arranged in battery bracket, but justAll there is gap in the error due to processing dimension between negative pole contact chip and slot, causes the meeting of both positive and negative polarity contact chipThere is skew in a small amount, but for battery, be enough to affect the performance of battery, also can affect for a long time in the pastPower supply effect.
Summary of the invention
Technical problem to be solved by this invention is: a kind of compact conformation, safe lithium-ion electric are providedPond group.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of lithium ion battery group, described battery pack successively hard-wired insulation board, the first nickel brace,The first bronze medal cylinder manifold, the first battery bracket, the second battery bracket, the second nickel brace and the second bronze medal cylinder manifold;
Between described the first nickel brace and the first bronze medal cylinder manifold, adopt ultrasonic bonding to be connected;
Between described the second nickel brace and the second bronze medal cylinder manifold, adopt ultrasonic bonding to be connected; Described the first bronze medalCylinder manifold is provided with the first bayonet unit, and the first bronze medal cylinder manifold is arranged on the first battery by the first bayonet unitOn support; Described the first bronze medal cylinder manifold is provided with the first extension, and described the first extension is provided with the first through hole;Screw is fixedly connected with the nut being arranged in the first battery bracket through described the first through hole;
Described the second bronze medal cylinder manifold is provided with the second bayonet unit, and the second bronze medal cylinder manifold is by the second bayonet unitBe arranged on the second battery bracket; Described the second bronze medal cylinder manifold is provided with the second extension, described the second extensionBe provided with the second through hole; Screw is fixed through described the second through hole and the nut being arranged in the second battery bracketConnect;
Described the first battery bracket and the second battery bracket be oppositely arranged and between can hold cylindrical lithium ion electricityPond; On described the first battery bracket, the first fixed bar is set;
On described the second battery bracket, the second fixed bar is set; Described the first fixed bar by screw rod and second admittedlyFixed pole is fixedly connected with.
Beneficial effect of the present invention is:
Between nickel brace and copper cylinder manifold, adopt ultrasonic bonding to be connected, sound construction and avoid rosin joint, canGuarantee the stability of welding and the reliability that circuit connects;
Copper cylinder manifold is arranged on battery bracket by bayonet unit, dismounting more for convenience, be convenient to maintenance andBattery altering on battery bracket; Under the fixed installation of bayonet unit, pass through again the extension on copper cylinder manifoldBe fixed on battery bracket, copper cylinder manifold and battery bracket installed more firm.
On two battery brackets, be equipped with fixed bar, between two fixed bars, be fixedly connected with by screw rod, makeThe relative position of two battery brackets is fixed, and is arranged on two batteries between battery bracket also relatively fixing,Thereby guarantee battery powered security, promote the service life of battery.
Brief description of the drawings
Fig. 1 is the structural representation of lithium ion battery group of the present invention;
Fig. 2 is the structural representation of nickel brace of the present invention and copper cylinder manifold;
Fig. 3 is the structural representation of battery bracket of the present invention;
Fig. 4 is the structural representation of battery pack entirety of the present invention;
Fig. 5 is the schematic diagram that multiple battery pack of the present invention is connected in series;
Label declaration:
1, insulation board; 2, the first nickel brace; 3, the first bronze medal cylinder manifold; 31, the first bayonet unit; 32,The first extension; 321, the first through hole; 4, the first battery bracket; 41, the first fixed bar; 42, slot;43, standing screw; 5, the second battery bracket; 51, the second fixed bar; 6, the second nickel brace; 7,Two bronze medal cylinder manifolds; 8, screw rod; 9, connecting plate.
Detailed description of the invention
By describing technology contents of the present invention in detail, being realized object and effect, below in conjunction with embodiment alsoCoordinate accompanying drawing to be explained.
The design of most critical of the present invention is: between nickel brace and copper cylinder manifold, adopt ultrasonic bonding to be connected,Sound construction and avoid rosin joint, can guarantee the stability of welding and the reliability that circuit connects.
Please refer to Fig. 1-5, a kind of lithium ion battery group provided by the invention, described battery pack fixedly mounts successivelyInsulation board 1, the first nickel brace 2, the first bronze medal cylinder manifold 3, the first battery bracket 4, the second battery prop upFrame 5, the second nickel brace 6 and the second bronze medal cylinder manifold 7;
Between described the first nickel brace 2 and the first bronze medal cylinder manifold 3, adopt ultrasonic bonding to be connected;
Between described the second nickel brace 6 and the second bronze medal cylinder manifold 7, adopt ultrasonic bonding to be connected; DescribedOne bronze medal cylinder manifold 3 is provided with the first bayonet unit 31, the first bronze medal cylinder manifolds 3 pacifies by the first bayonet unit 31Be contained on the first battery bracket 4; Described the first bronze medal cylinder manifold 3 is provided with the first extension 32, and described first prolongsStretch portion 32 and be provided with the first through hole 321; Screw passes described the first through hole 321 and is arranged on the first battery and props upNut in frame 4 is fixedly connected with;
Described the second bronze medal cylinder manifold 7 is provided with the second bayonet unit, and the second bronze medal cylinder manifold 7 is by the second buckleDevice is arranged on the second battery bracket 5; Described the second bronze medal cylinder manifold 7 is provided with the second extension, and describedTwo extensions are provided with the second through hole; Screw passes described the second through hole and is arranged in the second battery bracket 5Nut be fixedly connected with;
Described the first battery bracket 4 and the second battery bracket 5 be oppositely arranged and between can hold cylindrical lithium ionBattery; On described the first battery bracket 4, the first fixed bar 41 is set;
On described the second battery bracket 5, the second fixed bar 51 is set; Described the first fixed bar 41 is by screw rod 8Be fixedly connected with the second fixed bar 51.
From foregoing description, beneficial effect of the present invention is:
Between nickel brace and copper cylinder manifold, adopt ultrasonic bonding to be connected, sound construction and avoid rosin joint, canGuarantee the stability of welding and the reliability that circuit connects;
Copper cylinder manifold is arranged on battery bracket by bayonet unit, dismounting more for convenience, be convenient to maintenance andBattery altering on battery bracket; Under the fixed installation of bayonet unit, pass through again the extension on copper cylinder manifoldBe fixed on battery bracket, copper cylinder manifold and battery bracket installed more firm.
On two battery brackets, be equipped with fixed bar, between two fixed bars, be fixedly connected with by screw rod, makeThe relative position of two battery brackets is fixed, and is arranged on two batteries between battery bracket also relatively fixing,Thereby guarantee battery powered security, promote the service life of battery.
Further, between multiple battery pack, be connected in series; The head and the tail of adjacent two battery pack are by connecting plate 9Connect.
Further, described connecting plate 9 is provided with third through-hole and fourth hole, respectively by screw byThree through holes and fourth hole are fixed on the battery bracket of adjacent two battery pack.
Further, described the first battery bracket 4 and the second battery bracket 5 are equipped with multiple cylinders that holdThe slot 42 of lithium-ion battery monomer.
Seen from the above description, cylindrical lithium ion battery monomer is placed in slot, between battery cell notExtruding, can not affect powered battery mutually.
Further, the cross section of described slot 42 is circular. Applicable to columniform lithium ion battery,And it is convenient that contraposition is installed.
Please refer to Fig. 1-5, embodiments of the invention one are:
A kind of lithium ion battery group provided by the invention, described battery pack is hard-wired insulation board 1, successivelyOne nickel brace 2, the first bronze medal cylinder manifold 3, the first battery bracket 4, the second battery bracket 5, the second nickel connectContact pin 6 and the second bronze medal cylinder manifold 7;
Between described the first nickel brace 2 and the first bronze medal cylinder manifold 3, adopt ultrasonic bonding or laser weldConnect; Between described the second nickel brace 6 and the second bronze medal cylinder manifold 7, adopt ultrasonic bonding or Laser WeldingConnect in succession; Between nickel brace and copper cylinder manifold, adopt ultrasonic bonding to be connected, sound construction and avoid rosin joint,Can guarantee the stability of welding and the reliability that circuit connects; Nickel brace is provided with both positive and negative polarity contact point,Adopt two nickel sheets and 4 pad new structures, 4 pads are distributed in the surrounding of brace.
Between described the second nickel brace 6 and the second bronze medal cylinder manifold 7, adopt ultrasonic bonding to be connected; DescribedOne bronze medal cylinder manifold 3 is provided with the first bayonet unit 31, the first bronze medal cylinder manifolds 3 pacifies by the first bayonet unit 31Be contained on the first battery bracket 4; Described the first bronze medal cylinder manifold 3 is provided with the first extension 32, and described first prolongsStretch portion 32 and be provided with the first through hole 321; Screw passes described the first through hole 321 and is arranged on the first battery and props upNut in frame 4 is fixedly connected with;
Described the second bronze medal cylinder manifold 7 is provided with the second bayonet unit, and the second bronze medal cylinder manifold 7 is by the second buckleDevice is arranged on the second battery bracket 5; Described the second bronze medal cylinder manifold 7 is provided with the second extension, and describedTwo extensions are provided with the second through hole; Screw passes described the second through hole and is arranged in the second battery bracket 5Nut be fixedly connected with; Copper cylinder manifold is arranged on battery bracket by bayonet unit, dismounting more for convenience,Be convenient to the battery altering on maintenance and battery bracket;
Described the first battery bracket 4 and the second battery bracket 5 be oppositely arranged and between can hold cylindrical lithium ionBattery; On described the first battery bracket 4, the first fixed bar 41 is set; On described the second battery bracket 5, arrangeThe second fixed bar 51; Described the first fixed bar 41 is fixedly connected with the second fixed bar 51 by screw rod 8. TwoOn individual battery bracket, be equipped with fixed bar, between two fixed bars, be fixedly connected with by screw rod, make two electricityThe relative position of pond support is fixed, and is arranged on two batteries between battery bracket also relatively fixing, thereby reallyProtect battery powered security, promote the service life of battery.
In the present embodiment, between multiple battery pack, adopt and be connected in series; The head and the tail of adjacent two battery pack are logicalCrossing connecting plate 9 connects. Described connecting plate 9 is provided with third through-hole and fourth hole, incites somebody to action respectively by screwThird through-hole and fourth hole are fixed on the battery bracket of adjacent two battery pack. Establishing of for example third through-holePut on the second battery bracket of previous battery pack, fourth hole is arranged on the first electricity of a rear battery packOn the support of pond, former and later two battery pack can be fixed together.
In the present embodiment, the first battery bracket 4 and the second battery bracket 5 are equipped with multiple cylinders that holdThe slot 42 of lithium-ion battery monomer. Cylindrical lithium ion battery monomer is placed in slot 42 to battery cellBetween can mutually not push, can not affect powered battery. Battery bracket and slot all adopt fire proofing material,Grade reaches VO level; In the present embodiment, the cross section of described slot is circular. Applicable to cylindricalLithium ion battery, and it is convenient that contraposition is installed.
In the present embodiment, fixed bar is arranged on the upper and lower of battery bracket, and between battery pack alsoAdopt standing screw 43, this standing screw is also distributed in the upper and lower of battery bracket, and then entirety formsDual-layer is fixing to be protected battery pack, has strengthened the intensity of module.
In sum, a kind of lithium ion battery group provided by the invention, adopts between nickel brace and copper cylinder manifoldConnect with ultrasonic bonding, sound construction and avoid rosin joint, can guarantee that the stability of welding and circuit connectReliability; Copper cylinder manifold is arranged on battery bracket by bayonet unit, and dismounting more for convenience, is convenient to dimensionRepair and battery bracket on battery altering; Under the fixed installation of bayonet unit, pass through again on copper cylinder manifoldExtension is fixed on battery bracket, copper cylinder manifold and battery bracket is installed more firm. Two batteriesOn support, be equipped with fixed bar, between two fixed bars, be fixedly connected with by screw rod, make two battery bracketsRelative position fix, be arranged on two batteries between battery bracket also relatively fixing, thereby guarantee batteryThe security of power supply, the service life of lifting battery.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every profitThe equivalents of doing by description of the present invention and accompanying drawing content, or be directly or indirectly used in relevant technologyField, is all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. a lithium ion battery group, is characterized in that, described battery pack successively hard-wired insulation board,The first nickel brace, the first bronze medal cylinder manifold, the first battery bracket, the second battery bracket, the second nickel braceWith the second bronze medal cylinder manifold;
Between described the first nickel brace and the first bronze medal cylinder manifold, adopt ultrasonic bonding to be connected;
Between described the second nickel brace and the second bronze medal cylinder manifold, adopt ultrasonic bonding to be connected; Described the first bronze medalCylinder manifold is provided with the first bayonet unit, and the first bronze medal cylinder manifold is arranged on the first battery by the first bayonet unitOn support; Described the first bronze medal cylinder manifold is provided with the first extension, and described the first extension is provided with the first through hole;Screw is fixedly connected with the nut being arranged in the first battery bracket through described the first through hole;
Described the second bronze medal cylinder manifold is provided with the second bayonet unit, and the second bronze medal cylinder manifold is by the second bayonet unitBe arranged on the second battery bracket; Described the second bronze medal cylinder manifold is provided with the second extension, described the second extensionBe provided with the second through hole; Screw is fixed through described the second through hole and the nut being arranged in the second battery bracketConnect;
Described the first battery bracket and the second battery bracket be oppositely arranged and between can hold cylindrical lithium ion electricityPond; On described the first battery bracket, the first fixed bar is set;
On described the second battery bracket, the second fixed bar is set; Described the first fixed bar by screw rod and second admittedlyFixed pole is fixedly connected with.
2. lithium ion battery group according to claim 1, is characterized in that, between multiple battery pack, goes here and thereConnection connects; The head and the tail of adjacent two battery pack connect by connecting plate.
3. lithium ion battery group according to claim 2, is characterized in that, described connecting plate is provided withThird through-hole and fourth hole, be fixed on adjacent two electricity by screw by third through-hole and fourth hole respectivelyOn the battery bracket of pond group.
4. lithium ion battery group according to claim 1, is characterized in that, described the first battery bracketBe equipped with multiple slots that hold cylindrical lithium ion battery monomer with the second battery bracket.
5. lithium ion battery group according to claim 1, is characterized in that, the cross section of described slotFor circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024780.4A CN105591059A (en) | 2015-12-30 | 2015-12-30 | Lithium ion battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024780.4A CN105591059A (en) | 2015-12-30 | 2015-12-30 | Lithium ion battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105591059A true CN105591059A (en) | 2016-05-18 |
Family
ID=55930468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511024780.4A Pending CN105591059A (en) | 2015-12-30 | 2015-12-30 | Lithium ion battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105591059A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845865A (en) * | 2016-06-07 | 2016-08-10 | 佛山市威思通电动力系统有限公司 | Battery pack device supporting rapid battery replacement |
| CN106410088A (en) * | 2016-11-30 | 2017-02-15 | 重庆小康工业集团股份有限公司 | Integrated electric car power battery assembly |
| CN106531926A (en) * | 2017-01-12 | 2017-03-22 | 东莞市德尔能新能源股份有限公司 | Removable lithium-ion battery unit free of spot welding, battery module and application thereof |
| CN107342383A (en) * | 2017-07-14 | 2017-11-10 | 福建兴华动力能源科技有限公司 | A kind of battery core bracket and a kind of combined battery |
| CN108666462A (en) * | 2017-03-30 | 2018-10-16 | 奥动新能源汽车科技有限公司 | Power battery module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010282811A (en) * | 2009-06-04 | 2010-12-16 | Sanyo Electric Co Ltd | Battery pack |
| CN202042528U (en) * | 2011-02-24 | 2011-11-16 | 上海空间电源研究所 | High-energy-density lithium ion storage battery module |
| CN104282855A (en) * | 2013-07-08 | 2015-01-14 | 深圳市比克电池有限公司 | Battery cell module molded structure, molding method and battery cell module |
| CN205319218U (en) * | 2015-12-30 | 2016-06-15 | 深圳市慧通天下科技股份有限公司 | Lithium ion battery set |
-
2015
- 2015-12-30 CN CN201511024780.4A patent/CN105591059A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010282811A (en) * | 2009-06-04 | 2010-12-16 | Sanyo Electric Co Ltd | Battery pack |
| CN202042528U (en) * | 2011-02-24 | 2011-11-16 | 上海空间电源研究所 | High-energy-density lithium ion storage battery module |
| CN104282855A (en) * | 2013-07-08 | 2015-01-14 | 深圳市比克电池有限公司 | Battery cell module molded structure, molding method and battery cell module |
| CN205319218U (en) * | 2015-12-30 | 2016-06-15 | 深圳市慧通天下科技股份有限公司 | Lithium ion battery set |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845865A (en) * | 2016-06-07 | 2016-08-10 | 佛山市威思通电动力系统有限公司 | Battery pack device supporting rapid battery replacement |
| CN105845865B (en) * | 2016-06-07 | 2018-11-06 | 佛山市威思通电动力系统有限公司 | The battery pack device of quick-replaceable battery |
| CN106410088A (en) * | 2016-11-30 | 2017-02-15 | 重庆小康工业集团股份有限公司 | Integrated electric car power battery assembly |
| CN106531926A (en) * | 2017-01-12 | 2017-03-22 | 东莞市德尔能新能源股份有限公司 | Removable lithium-ion battery unit free of spot welding, battery module and application thereof |
| CN108666462A (en) * | 2017-03-30 | 2018-10-16 | 奥动新能源汽车科技有限公司 | Power battery module |
| CN107342383A (en) * | 2017-07-14 | 2017-11-10 | 福建兴华动力能源科技有限公司 | A kind of battery core bracket and a kind of combined battery |
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Application publication date: 20160518 |