CN203707212U - Li-ion battery pack - Google Patents
Li-ion battery pack Download PDFInfo
- Publication number
- CN203707212U CN203707212U CN201420035073.XU CN201420035073U CN203707212U CN 203707212 U CN203707212 U CN 203707212U CN 201420035073 U CN201420035073 U CN 201420035073U CN 203707212 U CN203707212 U CN 203707212U
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- CN
- China
- Prior art keywords
- lithium battery
- silica gel
- battery bag
- casing
- battery group
- 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.)
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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 li-ion battery pack which comprises a box body and li-ion battery pack bodies, and further comprises silica gel layers, wherein prefabricated silica gel sheets or silica gel bars are padded between the li-ion battery pack bodies; the silica gel layers are arranged between the li-ion battery pack bodies, and between the li-ion battery pack bodies and the box body. The li-ion battery pack is light in entire weight, simple in manufacture method, shockproof, dustproof and waterproof, good in heat dissipation effect, heated uniformly, and long in service time, reduces the possibility of safety accidents greatly.
Description
Technical field
The utility model relates to field of batteries, relates in particular to a kind of lithium battery group.
Background technology
Lithium battery group has been widely used in every field, particularly daily people are in order to the battery of the electric motor car of riding instead of walk, in the prior art, just single or multiple lithium battery bags are carried out to serial or parallel connection and form lithium battery group, be then placed in outer container, use as a battery case, its weak point: 1, in use procedure, because collision, makes element breakage in lithium battery group, cause battery pack to lose efficacy and even lead to spontaneous combustion, self-destruction accident; 2,, after long-term use, lug, pole etc. in parallel or series connection are impaired; 3, lithium battery group is easily made moist or is intake; 4, lithium battery group itself is heated inhomogeneously, and useful life is shorter, and when serious, because of lithium battery local overheating, i.e. thermal runaway phenomenon, causes battery explosion, harm user safety.
Open day is on November 02nd, 2005, publication number CN1691364, the application for a patent for invention that name is called " a kind of flexible packaging power lithium battery group " has disclosed a kind of lithium battery group of flexible package, its technology is to adopt outer container that plastics or metal material be made and case top cover to wrap the lithium battery of flexible package, heat radiating metal passage and connecting plate, this heat radiating metal passage is that the vent passages being formed by a rule copper pipe forms, this kind of lithium battery group has certain thermal diffusivity, but this lithium battery group still has certain defect, be in particular in: 1, want to form this lithium battery group, the installation of part parts needs welding, manufacture method knack complicated and must professional person could realize, 2, heat radiating metal passage is placed side by side to arrange by the good metal tube of thermal conductivity of a rule and is formed, and production cost is higher and make the weight of lithium battery entirety heavier, 3, copper pipe is in the time being subject to external force collision, and irreversible transformation easily occurs for self, has reduced shockproof, anticollision ability, 4, copper itself is electric conducting material, the vent passages being made up of copper pipe has formed a short circuit looped network, in the process of battery discharge or charging, in this short circuit looped network, can produce induced current, not only can produce a large amount of heats, and increase the probability of happening of electric accident.
Summary of the invention
The utility model, for defects such as the lithium battery group manufacture method complexity existing in prior art, Heavy Weight, production cost height, provides a kind of new lithium battery group.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of lithium battery group, comprises casing, lithium battery bag, and between described lithium battery bag, liner has prefabricated silica gel thin slice or silica gel strip, also comprises layer of silica gel, and described layer of silica gel is arranged between lithium battery bag and lithium battery bag, and between lithium battery bag and casing.
At the box house perfusion silica gel of whole lithium battery group, silica gel is full of between lithium battery bag and lithium battery bag and between lithium battery bag and casing, and place silica gel thin slice or silica gel strip plays certain interval action, in being clashed into, because lithium battery bag and casing or and other lithium battery bags between because have silica gel thin slice or a silica gel strip, all there is certain interval and be flooded with silica gel, even if lithium battery bag produces certain displacement because of vibrations, but be closely wrapped in layer of silica gel because lithium battery is coated, therefore can not occur because of collision breakage, cause battery pack to lose efficacy and even lead to incidents of spontaneous combustion, realize and reduced the probability of even eliminating power brick breakage under external impacts, and casing directly pours into into an entirety by silica gel, make lithium battery group break away from single shape constraint, can be according to service condition, change the design of box shape, meet to the full extent the demand of productive life.
As preferably, a kind of lithium battery group described above, described lithium battery is coated to be closely wrapped in gelatinous layer of silica gel.Layer of silica gel tightly wraps lithium battery bag and silica gel thin slice or silica gel strip, makes lithium battery group in the time being subject to impacting, and gelatinous layer of silica gel can buffer shock-absorbing, protects to a greater extent lithium battery group, is reduced in the probability of lithium battery bag breakage under external impacts.
As preferably, a kind of lithium battery group described above, described casing is elastic silica gel, and the layer of silica gel between described lithium battery bag and described casing is heat conductive silica gel, and the silica gel thin slice between described lithium battery bag or silica gel strip are elastic silica gel.
According to the position difference of silica gel perfusion, adopt silica gel of different nature, extend to the full extent the useful life of lithium battery group, whole casing adopts elastic silica gel, in order to make it in the situation that being subject to impacting, first impact power produces certain buffering, in the time that the concussion of impulsive force generation is delivered in casing, evenly spread to each position of casing, reduce largely the concussion that each element of box house need to bear, if the impact that whole lithium battery group is subject to is less, the elastic silica gel of casing itself just can bear whole active forces, and elastic silica gel has self-recovery ability, can self-recovery in the situation that stressed rear distortion is less, layer of silica gel adopts heat conductive silica gel, is because lithium battery group can produce a large amount of heats in use, and employing heat conductive silica gel can be by each position that spreads to average heat in heat production, avoids occurring the situation because of the inhomogeneous reduction of service life of being heated, silica gel thin slice between lithium battery bag or silica gel strip use elastic silica gel, are for producing in the situation of concussion, form an interval and buffer strip between lithium battery bag and lithium battery bag, avoid, between lithium battery bag, direct collision occurs, causing breakage.
As preferably, a kind of lithium battery group described above, also comprise vent, described vent is arranged at described lithium battery and wraps, described vent is made up of elastic silica gel, one end of described vent is arranged at described lithium battery and wraps, the upper surface of the layer of silica gel described in the other end of described vent runs through.So that lithium battery bag is by vent exhaust.
As preferably, a kind of lithium battery group described above, also comprises silicon rubber cup, and described silicon rubber cup is arranged on described vent.When casing completes after overall encapsulating, silicon rubber cup is closed grate hole road, waterproof and dampproof and in the time of single battery bag generation bulge situation, a large amount of gas enters silicon rubber cup by vent, makes it naturally unobvious projection, and user can be according to this phenomenon, scent a hidden danger quickly, and get rid of.
As preferably, a kind of lithium battery group described above, also comprise louvre, heat conduction ditch, described louvre is arranged in described layer of silica gel, described louvre one end penetrates the upper surface of casing, the other end is arranged in described layer of silica gel, and described heat conduction ditch is distributed in the upper surface of casing, and described louvre is coupled together.Louvre can concentrate in together the heat of lithium battery group inside, then heat is dispersed into tank surface by louvre, has part to disperse to surrounding along with heat conduction ditch, makes lithium battery group integral heat sink fast, extends the useful life of lithium battery group.
As preferably, a kind of lithium battery group described above, also comprises heat dissipating housing, and described heat dissipating housing and described casing are by screw active link.Heat dissipating housing has further been strengthened the radiating effect of lithium battery group, increases the service life and this heat dissipating housing can need to carry out installation or removal according to actual use.
As preferably, a kind of lithium battery group described above, also comprises protective cover, and described protective cover is open-close type, and is provided with cavity, and described protective cover one end is arranged on described lithium battery and wraps, the outstanding described casing of the described protective cover other end.The cavity of this protective cover is used for placing the electric elements such as lug, pole, keeps exposing element dry, can prevent to occur exposing original paper and lose the situation of fracture, has increased useful life when having strengthened coefficient of safety.
As preferably, a kind of lithium battery group described above, it is cylindrical that described cavity two ends are indent, is arranged in described protective cover, and described cavity one end connects described lithium battery bag, and the other end is sealed by silica gel.Cavity is used for placing the element such as lug, pole, has avoided to a great extent element repeatedly move or rub damagedly because of lithium battery bag, and other end sealing forms a vacuum cavity in the middle of making, and has ensured the dry of electric elements in cavity.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of lithium battery group of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but they are not to restriction of the present utility model:
embodiment 1
As shown in Figure 1, a kind of lithium battery group, comprises casing 1, lithium battery bag 2, between described lithium battery bag 2, liner has prefabricated silica gel thin slice or silica gel strip 4, also comprises layer of silica gel 3, described layer of silica gel 3 is arranged between lithium battery bag 2 and lithium battery bag 2, and between lithium battery bag 2 and casing 1.
When installation, first pour into casing 1, after casing 1 completes, at the bottom of casing 1 perfusion heat conductive silica gel, form at least 2 centimetres of above layer of silica gel 3, then according to a lithium battery bag 2, silica gel thin slice or silica gel strip 4, the order of a lithium battery bag 2 is arranged, and completes series connection and parallel connection between lithium battery bag 2, finally heat conductive silica gel is poured into inlet body 1, ensure that each position has been full of heat conductive silica gel, a lithium battery group so far has just completed, and manufacture method is simple, and cost is low.
As preferably, described lithium battery bag 2 is closely wrapped in gelatinous layer of silica gel 3.
As preferably, described casing 1 is elastic silica gel, and the layer of silica gel 3 between described lithium battery bag 2 and described casing 1 is heat conductive silica gel, and the silica gel thin slice between described lithium battery bag 2 or silica gel strip 4 are elastic silica gel.
As preferably, also comprise vent 10, described vent 10 is arranged on described lithium battery bag 2, described vent 10 is made up of elastic silica gel, one end of described vent 10 is arranged on described lithium battery bag 2, the upper surface of the layer of silica gel 3 described in the other end of described vent 10 runs through.
As preferably, also comprise silicon rubber cup 9, described silicon rubber cup 9 is arranged on described vent 10.
As preferably, also comprise louvre 6, heat conduction ditch 7, described louvre 6 is arranged in described layer of silica gel 3, described louvre 6 one end penetrate the upper surface of casing 1, the other end is arranged in described layer of silica gel 3, described heat conduction ditch 7 is distributed in the upper surface of casing 1, and described louvre 6 is coupled together.
As preferably, also comprise heat dissipating housing 8, described heat dissipating housing 8 passes through screw active link with described casing 1.
As preferably, also comprise protective cover 5, described protective cover 5 is open-close type, and is provided with cavity 51, described protective cover 5 one end are arranged on described lithium battery bag 2, the outstanding described casing 1 of described protective cover 5 other ends.
As preferably, it is cylindrical that described cavity 51 two ends are indent, is arranged in described protective cover 5, and described cavity 51 one end connect described lithium battery bag 2, and the other end is sealed by silica gel.
In a word, the foregoing is only preferred embodiment of the present utility model, the equalization that all scopes of applying for a patent according to the utility model are done changes and modifies, and all should belong to covering scope of the present utility model.
Claims (9)
1. a lithium battery group, comprise casing (1), lithium battery bag (2), between described lithium battery bag (2), liner has prefabricated silica gel thin slice or silica gel strip (4), it is characterized in that: also comprise layer of silica gel (3), described layer of silica gel (3) is arranged between lithium battery bag (2) and lithium battery bag (2), and between lithium battery bag (2) and casing (1).
2. a kind of lithium battery group according to claim 1, is characterized in that: described lithium battery bag (2) is closely wrapped in gelatinous layer of silica gel (3).
3. a kind of lithium battery group according to claim 1, it is characterized in that: described casing (1) is elastic silica gel, layer of silica gel (3) between described lithium battery bag (2) and described casing (1) is heat conductive silica gel, and silica gel thin slice or silica gel strip (4) between described lithium battery bag (2) are elastic silica gel.
4. a kind of lithium battery group according to claim 1, it is characterized in that: also comprise vent (10), described vent (10) is arranged on described lithium battery bag (2), described vent (10) is made up of elastic silica gel, it is upper that one end of described vent (10) is arranged at described lithium battery bag (2), the upper surface of the layer of silica gel (3) described in the other end of described vent (10) runs through.
5. a kind of lithium battery group according to claim 4, is characterized in that: also comprise silicon rubber cup (9), described silicon rubber cup (9) is arranged on described vent (10).
6. a kind of lithium battery group according to claim 1, it is characterized in that: also comprise louvre (6), heat conduction ditch (7), described louvre (6) is arranged in described layer of silica gel (3), described louvre (6) one end penetrates the upper surface of casing (1), the other end is arranged in described layer of silica gel (3), described heat conduction ditch (7) is distributed in the upper surface of casing (1), and described louvre (6) is coupled together.
7. a kind of lithium battery group according to claim 6, is characterized in that: also comprise heat dissipating housing (8), described heat dissipating housing (8) passes through screw active link with described casing (1).
8. a kind of lithium battery group according to claim 1; it is characterized in that: also comprise protective cover (5); described protective cover (5) is open-close type; and be provided with cavity (51); it is upper that described protective cover (5) one end is arranged on described lithium battery bag (2), the outstanding described casing (1) of described protective cover (5) other end.
9. a kind of lithium battery group according to claim 8; it is characterized in that: it is cylindrical that described cavity (51) two ends are indent; be arranged in described protective cover (5), described cavity (51) one end connects described lithium battery bag (2), and the other end is sealed by silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035073.XU CN203707212U (en) | 2014-01-21 | 2014-01-21 | Li-ion battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035073.XU CN203707212U (en) | 2014-01-21 | 2014-01-21 | Li-ion battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203707212U true CN203707212U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420035073.XU Expired - Fee Related CN203707212U (en) | 2014-01-21 | 2014-01-21 | Li-ion battery pack |
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| Country | Link |
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| CN (1) | CN203707212U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157404A (en) * | 2017-07-17 | 2017-09-15 | 江苏美的清洁电器股份有限公司 | The battery bag and dust catcher of dust catcher |
| CN107946679A (en) * | 2017-11-28 | 2018-04-20 | 广东省肇庆市质量计量监督检测所 | A kind of lithium ion battery and battery pack |
| CN107994295A (en) * | 2017-11-28 | 2018-05-04 | 广东省肇庆市质量计量监督检测所 | A kind of power-type lithium ion battery with heat dissipation performance |
| CN108306387A (en) * | 2018-02-24 | 2018-07-20 | 四会市启德信息咨询服务有限公司 | A kind of lithium battery group charge and discharge protecting plate |
| CN108701791A (en) * | 2016-10-10 | 2018-10-23 | 株式会社Lg化学 | battery module assembly |
| WO2022133848A1 (en) * | 2020-12-24 | 2022-06-30 | 东莞新能安科技有限公司 | Battery pack and unmanned aerial vehicle |
-
2014
- 2014-01-21 CN CN201420035073.XU patent/CN203707212U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108701791A (en) * | 2016-10-10 | 2018-10-23 | 株式会社Lg化学 | battery module assembly |
| CN108701791B (en) * | 2016-10-10 | 2021-07-16 | 株式会社Lg化学 | Battery module assembly |
| CN107157404A (en) * | 2017-07-17 | 2017-09-15 | 江苏美的清洁电器股份有限公司 | The battery bag and dust catcher of dust catcher |
| CN107946679A (en) * | 2017-11-28 | 2018-04-20 | 广东省肇庆市质量计量监督检测所 | A kind of lithium ion battery and battery pack |
| CN107994295A (en) * | 2017-11-28 | 2018-05-04 | 广东省肇庆市质量计量监督检测所 | A kind of power-type lithium ion battery with heat dissipation performance |
| CN108306387A (en) * | 2018-02-24 | 2018-07-20 | 四会市启德信息咨询服务有限公司 | A kind of lithium battery group charge and discharge protecting plate |
| CN108306387B (en) * | 2018-02-24 | 2021-05-11 | 濉溪野草信息科技有限公司 | Lithium cell group charge-discharge protection shield |
| WO2022133848A1 (en) * | 2020-12-24 | 2022-06-30 | 东莞新能安科技有限公司 | Battery pack and unmanned aerial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20180121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |