CN204632886U - Lithium-ions battery - Google Patents
Lithium-ions battery Download PDFInfo
- Publication number
- CN204632886U CN204632886U CN201520368847.5U CN201520368847U CN204632886U CN 204632886 U CN204632886 U CN 204632886U CN 201520368847 U CN201520368847 U CN 201520368847U CN 204632886 U CN204632886 U CN 204632886U
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- Prior art keywords
- lithium
- battery
- storage battery
- radiator
- dissipative cell
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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 relates to a kind of lithium-ions battery, comprise secondary battery jar, Storage Battery Top Cover, battery positive terminal, negative cell terminal end, the Li-ion batteries piles be arranged in described secondary battery jar, described Li-ion batteries piles is connected by multiple lithium-ion electric core and/or parallel combination forms, lithium-ion electric core described in each is provided with a balancing control circuit, described balancing control circuit comprises at least one dissipative cell, described Storage Battery Top Cover is provided with radiator, described radiator and described dissipative cell phase thermal conductive contact.By arranging radiator on Storage Battery Top Cover, make storage battery when charging, as on certain lithium-ion electric core charge balancing control circuit work time, the heat that dissipative cell produces can be left in time by radiator, thus ensure that dissipative cell has stable service behaviour all the time, also make the storage battery with this radiator structure can continue safety, stable work.
Description
Technical field
The utility model relates to a kind of lithium-ions battery.
Background technology
Storage battery is the important component part of vehicle, as the startup battery of the vehicles such as fuel-engined vehicle, the electrokinetic cell as motor vehicles such as two-way electric motor car, electric automobiles.The daily storage battery the most often used is lead acid accumulator, and about the technology of lead acid accumulator exists decades, the safety and stability of lead acid accumulator is all higher.But lead acid accumulator also has shortcoming, common lead acid accumulator not only has the shortcoming that volume is large, weight is large, and importantly, the short and contaminated environment of service life of lead accumulator.
Lithium-ions battery, because of advantages such as the power out-put characteristic of its excellence, lightweight and long-lives, obtains applications well at automobile, electric two-wheel vehicle etc. as in startup power supply, electrical source of power etc. at present.This kind of lithium-ions battery, as publication number starts power supply for a kind of disclosed in the Chinese patent of CN202695557U, this startup power supply is a kind of lithium-ions battery, is provided with by the battery pack of multiple lithium-ion electric core serial or parallel connection in this battery.Although lithium ion battery technology progress is in recent years huge, but lithium-ion electric core parameters (voltage, state-of-charge SOC, internal resistance, self discharge coefficient etc.) is uncontrollable to completely the same and there are some small differences in process of production, by multiple lithium-ion electric core serial or parallel connection lithium-ions battery in use, the reason such as individual difference, temperature contrast due to each lithium-ion electric core causes the positive and negative terminal voltage of lithium-ion electric core uneven, and then affects the work of whole batteries.Therefore needing, balancing control circuit is set equilibrium treatment is carried out to the inconsistency in lithium-ions battery between lithium-ion electric core, make lithium-ions battery keep good consistency.
The common balancing control circuit with equalization function is resistance-type balancing control circuit, i.e. load consumption formula balancing control circuit, the dead resistance being connected to and often saving on lithium-ion electric core is comprised at this balancing control circuit, this balancing control circuit passes through the fault offset higher than other monomer on current lithium-ion electric core, to reach the equilibrium of each monomer, thus make all lithium-ion electric cores can be effective.But due to balancing control circuit in the course of the work, need to discharge the unnecessary energy of single lithium battery by dissipative cell, therefore, dissipative cell can produce a large amount of heats, this part heat only leaves not in time, the normal work of balancing control circuit can be affected, thus affect the work of whole storage battery.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is to provide the lithium-ions battery that a kind of balancing control circuit on it can work continually and steadily.
In order to realize the object of above-mentioned utility model, the utility model adopts as sowed technical scheme:
A kind of lithium-ions battery, comprise secondary battery jar, Storage Battery Top Cover, battery positive terminal, negative cell terminal end, the Li-ion batteries piles be arranged in described secondary battery jar, described Li-ion batteries piles is connected by multiple lithium-ion electric core and/or parallel combination forms, lithium-ion electric core described in each is provided with a balancing control circuit, described balancing control circuit comprises at least one dissipative cell, described Storage Battery Top Cover is provided with radiator, described radiator and described dissipative cell phase thermal conductive contact.
In technique scheme, preferably, described radiator comprises metallic plate and is arranged on the multiple radiated ribs on the upper surface of described metallic plate, and the lower surface of described metallic plate is connected with described dissipative cell phase heat conduction.
In technique scheme, preferably, described Storage Battery Top Cover offers the groove of a up/down perforation, described metallic plate is arranged on described groove.
In technique scheme, preferably, the lower surface of described metallic plate is adjacent to mutually with described dissipative cell.
In technique scheme, preferably, be provided with at least one heat pipe between the lower surface of described metallic plate and described dissipative cell, an end of described heat pipe is connected with described dissipative cell phase heat conduction, and the other end of described heat pipe is connected with the lower surface phase heat conduction of described metallic plate.
In technique scheme, preferably, described Storage Battery Top Cover is fixedly mounted on the upper end of described secondary battery jar by several securing members.
In technique scheme, preferably, the front and rear sides of described Li-ion batteries piles is provided with a pair clamping plate, the front and back ends portion of clamping plate described in a pair fixes respectively by least one bolt, and described Li-ion batteries piles clamps about being positioned at the described bolt of the forward and backward end of described clamping plate.
In technique scheme, preferably, the arranged on left and right sides of described Li-ion batteries piles is provided with a pair clamping plate, the left and right end of clamping plate described in a pair fixes respectively by least one bolt, and described Li-ion batteries piles is positioned at before and after the described bolt of the left and right end of described clamping plate to be clamped.
The utility model compared with prior art obtains following beneficial effect: by arranging radiator on Storage Battery Top Cover, make storage battery when charging, as on certain lithium-ion electric core charge balancing control circuit work time, the heat that dissipative cell produces can be left in time by radiator, thus ensure that dissipative cell has stable service behaviour all the time, also make the storage battery with this radiator structure can continue safety, stable work.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic perspective view of lithium-ions battery of the present utility model;
Accompanying drawing 2 is that lithium-ions battery of the present utility model is at the schematic perspective view removing secondary battery jar;
What accompanying drawing 3 was lithium-ions battery of the present utility model disassembles schematic diagram;
Accompanying drawing 4 is the radiating principle schematic diagram of lithium-ions battery of the present utility model;
Wherein: 100, lithium-ions battery; 1, secondary battery jar; 2, Storage Battery Top Cover; 3, securing member; 4, battery positive terminal; 5, negative cell terminal end; 6, handle; 7, incorporating section; 8, groove; 9, metallic plate; 10, radiated rib; 11, Li-ion batteries piles; 12, lithium-ion electric core; 13, clamping plate; 14, stay bolt; 15, battery management system; 16, insulating part; 17, dissipative cell; 18, balancing control circuit; 20, radiator.
Embodiment
By describe in detail utility model technology contents, structural feature, reached object and effect, coordinate accompanying drawing to be described in detail below in conjunction with embodiment.
Lithium-ions battery 100 as shown in Figure 1, it has a battery case be made up of secondary battery jar 1 and Storage Battery Top Cover 2.Storage Battery Top Cover 2 is fixedly mounted on the upper end of secondary battery jar 1 by some securing members 3, and namely Storage Battery Top Cover 2 can disassemble from secondary battery jar 1 by instrument.Storage Battery Top Cover 2 is provided with the battery positive terminal 4 for external electrical connections and negative cell terminal end 5, Storage Battery Top Cover 2 is being provided with handle 6 between battery positive terminal 4 and negative cell terminal end 5.
As shown in Figure 2,3, Storage Battery Top Cover 2 is provided with the incorporating section 7 of handle 6.Storage Battery Top Cover 2 also offers the groove 8 of a up/down perforation, groove 8 is positioned at the rear side of handle 6, and groove 8 place has been located at radiator 20, and radiator 20 comprises plane metallic plate 8 and Duo Gen radiated rib 10.Metallic plate 9 is arranged on groove 8 place, and some radiated ribs 10 are positioned on the upper surface of metallic plate 9.Be provided with Li-ion batteries piles 11 in secondary battery jar 1, this Li-ion batteries piles 11 is formed by 4 lithium-ion electric core 12 tandem compounds.The arranged on left and right sides of Li-ion batteries piles 11 is provided with a pair clamping plate 13, the left and right end of a pair clamping plate 13 fixes respectively by a pair stay bolt 14, and Li-ion batteries piles 11 is clamped at fore-and-aft direction by the two pairs of stay bolts 14 being positioned at the left and right end of clamping plate 13.When the pair of bolts of clamping plate 13 wherein one end being taken apart, Li-ion batteries piles 11 can splitly be dismantled, and this structure energy convenient for maintaining personnel are to the dismounting maintenance of Li-ion batteries piles 11 and the lithium-ion electric core that more renews.In addition, in other embodiments, as lithium-ion electric core left-right situs, then the front and rear sides of the Li-ion batteries piles by multiple lithium-ion electric core left-right situs is provided with a pair clamping plate, now the front and back ends portion of a pair clamping plate fixes respectively by a pair stay bolt, and Li-ion batteries piles clamps about being positioned at the stay bolt of the forward and backward end of clamping plate.
The top of Li-ion batteries piles 11 is provided with battery management system 15, and this battery management system 15 can manage the discharge and recharge of each lithium-ion electric core 12, charge capacity etc.Be provided with the insulating part 16 at interval between the upper surface of battery management system 15 and Li-ion batteries piles 11, this insulating part 16 can be insulation board or insulation rubber cushion etc.
As shown in Figure 4, Li-ion batteries piles 11 is also provided with the balancing control circuit 18 for making each lithium-ion electric core 12 terminal voltage balance, this balancing control circuit 18 comprises a dissipative cell 17, this dissipative cell 17 is arranged on the downside of radiator 20, be specially: dissipative cell 17 and the lower surface of metallic plate 9 are adjacent to and realize heat conduction and be connected, if necessary, the heat-conducting glue of both enhancings heat-conducting effect can be set between.In addition, in other embodiments, if the lower surface of dissipative cell 17 and metallic plate 9 away from, heat pipe can be set between the lower surface of metallic plate and dissipative cell, one end of heat pipe is connected with the heat conduction of dissipative cell phase, the other end of heat pipe is connected with the lower surface phase heat conduction of metallic plate, namely utilizes the performance of heat pipe quick conductive to be connected with the heat conduction of metallic plate 9 phase by dissipative cell.
The heat that in the storage battery of this example, dissipative cell produces can be led to outside rapidly by metallic plate and radiated rib, thus ensures that dissipative cell can be in normal operating conditions, also therefore, and the work that the lithium-ions battery of this example can be continual and steady.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences done according to the utility model spirit change or modify, and all should be encompassed within protection range of the present utility model.
Claims (8)
1. a lithium-ions battery, comprise secondary battery jar, Storage Battery Top Cover, battery positive terminal, negative cell terminal end, the Li-ion batteries piles be arranged in described secondary battery jar, described Li-ion batteries piles is connected by multiple lithium-ion electric core and/or parallel combination forms, lithium-ion electric core described in each is provided with a balancing control circuit, described balancing control circuit comprises at least one dissipative cell, it is characterized in that: described Storage Battery Top Cover is provided with radiator, described radiator and described dissipative cell phase thermal conductive contact.
2. according to the lithium-ions battery described in claim 1, it is characterized in that: described radiator comprises metallic plate and is arranged on the multiple radiated ribs on the upper surface of described metallic plate, the lower surface of described metallic plate is connected with described dissipative cell phase heat conduction.
3. according to the lithium-ions battery described in claim 2, it is characterized in that: the groove described Storage Battery Top Cover offering a up/down perforation, described metallic plate is arranged on described groove.
4. according to the lithium-ions battery described in claim 2, it is characterized in that: the lower surface of described metallic plate is adjacent to mutually with described dissipative cell.
5. according to the lithium-ions battery described in claim 2, it is characterized in that: between the lower surface of described metallic plate and described dissipative cell, be provided with at least one heat pipe, one end of described heat pipe is connected with described dissipative cell phase heat conduction, and the other end of described heat pipe is connected with the lower surface phase heat conduction of described metallic plate.
6. according to the lithium-ions battery described in claim 1, it is characterized in that: described Storage Battery Top Cover is fixedly mounted on the upper end of described secondary battery jar by several securing members.
7. according to the lithium-ions battery described in claim 1, it is characterized in that: the front and rear sides of described Li-ion batteries piles is provided with a pair clamping plate, the front and back ends portion of clamping plate described in a pair fixes respectively by least one bolt, and described Li-ion batteries piles clamps about being positioned at the described bolt of the forward and backward end of described clamping plate.
8. according to the lithium-ions battery described in claim 1, it is characterized in that: the arranged on left and right sides of described Li-ion batteries piles is provided with a pair clamping plate, the left and right end of clamping plate described in a pair fixes respectively by least one bolt, and described Li-ion batteries piles is positioned at before and after the described bolt of the left and right end of described clamping plate to be clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368847.5U CN204632886U (en) | 2015-06-02 | 2015-06-02 | Lithium-ions battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368847.5U CN204632886U (en) | 2015-06-02 | 2015-06-02 | Lithium-ions battery |
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| Publication Number | Publication Date |
|---|---|
| CN204632886U true CN204632886U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520368847.5U Active CN204632886U (en) | 2015-06-02 | 2015-06-02 | Lithium-ions battery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785224A (en) * | 2017-03-10 | 2017-05-31 | 江苏索尔新能源科技股份有限公司 | A kind of radiating subassembly of on-vehicle battery |
| CN108068656A (en) * | 2017-12-22 | 2018-05-25 | 苏州精控能源科技有限公司 | Passive balanced automobile batteries managing device |
| CN108091948A (en) * | 2017-12-22 | 2018-05-29 | 苏州精控能源科技有限公司 | Automobile batteries managing device |
| CN108431993A (en) * | 2015-12-24 | 2018-08-21 | 株式会社自动网络技术研究所 | Link block |
| CN110770861A (en) * | 2017-06-30 | 2020-02-07 | 阿维科斯公司 | Heat dissipation in balancing circuit for supercapacitor module |
-
2015
- 2015-06-02 CN CN201520368847.5U patent/CN204632886U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108431993A (en) * | 2015-12-24 | 2018-08-21 | 株式会社自动网络技术研究所 | Link block |
| CN106785224A (en) * | 2017-03-10 | 2017-05-31 | 江苏索尔新能源科技股份有限公司 | A kind of radiating subassembly of on-vehicle battery |
| CN106785224B (en) * | 2017-03-10 | 2023-09-19 | 苏州索尔智行新能源科技有限公司 | Radiating assembly of vehicle-mounted battery |
| CN110770861A (en) * | 2017-06-30 | 2020-02-07 | 阿维科斯公司 | Heat dissipation in balancing circuit for supercapacitor module |
| CN108068656A (en) * | 2017-12-22 | 2018-05-25 | 苏州精控能源科技有限公司 | Passive balanced automobile batteries managing device |
| CN108091948A (en) * | 2017-12-22 | 2018-05-29 | 苏州精控能源科技有限公司 | Automobile batteries managing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |