CN205723701U - Use the battery case of lithium battery - Google Patents
Use the battery case of lithium battery Download PDFInfo
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- CN205723701U CN205723701U CN201620386289.XU CN201620386289U CN205723701U CN 205723701 U CN205723701 U CN 205723701U CN 201620386289 U CN201620386289 U CN 201620386289U CN 205723701 U CN205723701 U CN 205723701U
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- battery
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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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Abstract
This utility model relates to electrokinetic cell field, especially relates to a kind of battery case using lithium battery.Use the battery case of lithium battery, including casing, being provided with the battery cell of multiple lithium battery in casing, described battery cell passes through keyset connection in series-parallel, keyset is provided with the hole that the lug with battery cell mates, and the lug of battery cell is relatively positioned through corresponding hole on keyset；Being additionally provided with positive and negative electrode binding post on casing, battery cell is electrically connected with positive and negative electrode binding post by keyset.This utility model can ensure the reliable fit of each battery cell, so that the battery case of this employing lithium battery may conform to be applied to the power of electric automobile and reliability requirement, is suitable to the use of electric automobile.
Description
Technical field
This utility model relates to electrokinetic cell field, especially relates to a kind of battery case using lithium battery.
Background technology
Along with the development of power battery technology, having had the various vehicles to have begun to use electrokinetic cell is the continuous breakthrough depending on power battery technology as power source, the such as fast development of electric automobile.In occasions such as some tourist attractions, for environmental protection, noiselessness, the electric sightseeing vehicle of zero-emission are undoubtedly optimum selection, and electric sightseeing vehicle is exactly the one in electric automobile.
As power source, one of power battery pack core component being undoubtedly electric sightseeing vehicle.The battery that traditional electric sightseeing vehicle is used is lead-acid battery, but, due to the restriction of lead-acid battery self character, its life-span is the most unsatisfactory, and the discharge and recharge life-span of common lead-acid battery is only about 300 times；Secondly, lead-acid battery there is also certain potential safety hazard, when using under some special environments, even there will be blast and the problem such as on fire；Furthermore, lead-acid battery also has a well-known defect, the most bulky, Heavy Weight and not environmentally, if lead material contained therein is dealt with improperly, it will environment brings great adverse effect；Finally, for being required to the electric sightseeing vehicle come into operation at any time, lead-acid battery also has a maximum disadvantage, i.e. its slower charging rate and discharge and recharge memory effect, the two characteristic requirements battery could must charge after being discharged, and need the longer time to charge, thus the use to electric sightseeing vehicle can be affected.
Lithium battery is development in recent years a kind of novel battery faster, and compared with lead-acid battery, lithium battery has life-span length, use that safety, volume are little, lightweight, environmental protection charge/discharge rates fast and the advantage such as memory-less effect.The such as ferric phosphate lithium ion battery life-span capable of circulation is up to more than 2000 times, consider that the ratio of performance to price is lead-acid battery more than 4 times, and it also will not produce blast and phenomenon on fire under extreme test environment, the volume of the lithium ion battery of equivalent specifications capacity is the 2/3 of lead-acid accumulator volume, weight is the 1/3 of lead-acid accumulator, lithium material is without any poisonous and harmful substance, produce and use in the most pollution-free, it is emphasized that especially, lithium battery can the fast charging and discharging of electric current 2C greatly, under special charger, 1.5C charging can make battery be full of for 40 minutes, and its be in what state all can with fill with, need not recharge after being discharged.
By above contrast, lithium battery has obvious advantage compared with traditional lead-acid battery, but, mostly it was to be employed some small-power occasions in present stage, on the digital equipments such as mobile phone, if it is possible to be applied to electric automobile, the most clearly one good selection after being acted upon.But, electric automobile to be applied to, integrated to cell is to have to suffer from a problem that.
Summary of the invention
The purpose of this utility model is to provide a kind of battery case that can be applicable to electric automobile, that use lithium battery.
In order to solve the problems referred to above, the battery case of employing lithium battery of the present utility model is by the following technical solutions: use the battery case of lithium battery, including casing, casing is provided with the battery cell of multiple lithium battery, described battery cell passes through keyset connection in series-parallel, keyset is provided with the hole that the lug with battery cell mates, and the lug of battery cell is relatively positioned through corresponding hole on keyset；Being additionally provided with positive and negative electrode binding post on casing, battery cell is electrically connected with positive and negative electrode binding post by keyset.
The lug of battery cell is through corresponding Kong Houyu keyset welding on keyset.
Described keyset is connected with positive and negative pole by positive and negative electrode conductive strips.
Described casing includes the box body of a side opening and is encapsulated in the capping at box opening, and positive and negative binding post is separately fixed on box body, and capping is provided with the through hole passed for positive and negative binding post.
Described pole is provided with the joint for being concatenated by this battery case with other battery module.
Described battery cell has two row, and the lug distribution arrangement of battery cell is identical with the direction in a row of battery cell, and on the direction in a row of battery cell, the positive and negative electrode position of two row's battery cells is contrary.
Each column battery cell has multiple, described keyset is provided with the positive conductive bar corresponding with the positive pole ear of battery cell and the negative conductive bar corresponding with the negative pole of battery cell, positive pole with the battery cell of string is in parallel by the positive conductive bar of a keyset, and negative pole is in parallel by the negative conductive bar of this keyset.
The adjacent lug of two row battery cells is connected by the conductive strips of the adjacent conductive bar across two keysets, and lug away from each other is connected by the conductive strips of U-shaped.
Conductive strips arrange with corresponding keyset stacking and weld.
Owing to the casing of the battery case of employing lithium battery of the present utility model being provided with the battery cell of multiple lithium battery, and described battery cell is by keyset connection in series-parallel, keyset is provided with the hole that the lug with battery cell mates, the lug of battery cell is relatively positioned through corresponding hole on keyset, thus can ensure the reliable fit of each battery cell, so that the battery case of this employing lithium battery may conform to be applied to the power of electric automobile and reliability requirement, be suitable to the use of electric automobile.
Accompanying drawing explanation
Fig. 1 is the exploded view of the embodiment of the battery case using lithium battery；
Fig. 2 is the structural representation of box body；
Fig. 3 is the structural representation of capping；
Fig. 4 is the structural representation of keyset.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiment of the present utility model is described further.
Use the embodiment of the battery case of lithium battery, as shown in Figure 1, the battery cell of multiple (particular number can be arranged as required to, two or more all can) lithium battery that the battery case of this employing lithium battery includes casing, be located in casing, it is fixed on the pole of the relative both sides of casing, for each battery cell being carried out connection in series-parallel the keyset connected with corresponding pole and conductive strips.
Casing includes the box body 11 of cuboid, and the structure of box body 11 is shown in Fig. 2, is hatch frame on the upside of it, and hatch frame is by a capping 12 closing.In order to install capping 12, the sidewall of box body 11 is provided with the injection muscle 111 of column, injection muscle 111 is threaded hole, during use, can be coordinated with the screwed hole on injection muscle 111 by corresponding screw and box body 11 is fixed with covering 12.It addition, in order to install pole, the relative both sides (by the two ends on the length direction of the cuboid formed along box body in the present embodiment) of box body 11 are also provided with outer turning edge 112, turn edge outward and are provided with pole connecting hole on 112, and pole connecting hole is screwed hole.As it is shown on figure 3, be provided with the screw hole corresponding with the screwed hole being molded on muscle and the pole column hole 121 corresponding with pole in capping 12, pole column hole 121 is for passing through for pole to expose capping 12.
Battery cell 13 is ferric phosphate lithium cell, its in box body 11 in two column distributions, the lug distribution arrangement of battery cell 13 is identical with the direction in a row of battery cell, and on the direction in a row (vertical with becoming column direction) of battery cell, the positive and negative electrode position of two row's battery cells is contrary." direction in a row " referred to herein refers to the battery cell 13 arragement direction when constituting row, and the most same row's battery cell is to arrange the most successively, then in a row direction is left and right directions.In the present embodiment, each column battery cell has multiple, and the distribution arrangement with the positive and negative electrode lug of the battery cell of string is identical, i.e. positive pole ear is distributed in the same side, and negative lug is also distributed about the same side.On the direction in a row of battery cell 13, the positive and negative electrode position of two row's battery cells 13 is contrary, and this makes the order distribution in " positive-negative-negative-just " of the lug of battery cell 13 same row, or the order distribution in " negative-positive-positive-negative ".In the present embodiment, it is specially the distribution mode of " positive-negative-negative-just ".
Keyset 14 is for by two row battery cells just, negative pole is connected in parallel respectively, in addition, it can also be responsible for central management unit and provide the contact of voltage detecting line, in the present embodiment, the structure of keyset 14 is shown in Fig. 4, it includes insulating substrate 141 and two bus 142 being located on insulating substrate 141, bus 142 is by applying copper sheet composition on insulating substrate herein, in two bus one is positive conductive bar, another is negative conductive bar, positive pole with the battery cell of string is in parallel by the positive conductive bar of a keyset 14, negative pole is in parallel by the negative conductive bar of this keyset.Herein it should be strongly noted that be also provided with the hole corresponding with the lug of battery cell on keyset 14, battery pole ear is to be welded together by corresponding Kong Houyu keyset 14, thus can also play the effect to battery cell 13 location.
Conductive strips are divided into positive conductive band 15 and negative conductive band 16, positive conductive band 15 takes the shape of the letter U, it specifically uses split type structure, it is made up of two longitudinal bands 151 and the cross band 152 being connected between two longitudinal bands, article two, longitudinal bands 151 positive pole ear with two row battery cells respectively is connected, here by bus stacking corresponding with on keyset (cover on bus) and weld realization, cross band 152 is connected with Positive Poles 17 after two longitudinal bands are connected by same one end of two longitudinal bands and realizes output of confluxing.Negative conductive band 16 is in class I-shaped, and it across the adjacent conductive bar of two keysets and welds therewith, thus the negative pole of two row battery cells is in parallel, is then connected realization with negative pole pole 18 and confluxes output.
Pole is fixed by screws on casing and pole column hole set from capping exposes outside casing, thus can be connected with outside equipment and carry out discharge and recharge.In order to concatenate with other battery module, pole crimps joint 19 the most simultaneously.
Claims (9)
1. use the battery case of lithium battery, it is characterized in that, including casing, casing is provided with the battery cell of multiple lithium battery, described battery cell passes through keyset connection in series-parallel, keyset is provided with the hole that the lug with battery cell mates, and the lug of battery cell is relatively positioned through corresponding hole on keyset；Being additionally provided with positive and negative electrode binding post on casing, battery cell is electrically connected with positive and negative electrode binding post by keyset.
The battery case of employing lithium battery the most according to claim 1, it is characterised in that the lug of battery cell is through corresponding Kong Houyu keyset welding on keyset.
The battery case of employing lithium battery the most according to claim 1, it is characterised in that described keyset is connected with positive and negative pole by positive and negative electrode conductive strips.
The battery case of employing lithium battery the most according to claim 1, it is characterized in that, described casing includes the box body of a side opening and is encapsulated in the capping at box opening, and positive and negative binding post is separately fixed on box body, and capping is provided with the through hole passed for positive and negative binding post.
The battery case of employing lithium battery the most according to claim 1, it is characterised in that described pole is provided with the joint for being concatenated by this battery case with other battery module.
6. according to the battery case using lithium battery described in any one of claim 1-5, it is characterized in that, described battery cell has two row, and the lug distribution arrangement of battery cell is identical with the direction in a row of battery cell, on the direction in a row of battery cell, the positive and negative electrode position of two row's battery cells is contrary.
The battery case of employing lithium battery the most according to claim 6, it is characterized in that, each column battery cell has multiple, described keyset is provided with the positive conductive bar corresponding with the positive pole ear of battery cell and the negative conductive bar corresponding with the negative pole of battery cell, positive pole with the battery cell of string is in parallel by the positive conductive bar of a keyset, and negative pole is in parallel by the negative conductive bar of this keyset.
The battery case of employing lithium battery the most according to claim 7, it is characterised in that the adjacent lug of two row battery cells is connected by the conductive strips of the adjacent conductive bar across two keysets, and lug away from each other is connected by the conductive strips of U-shaped.
The battery case of employing lithium battery the most according to claim 8, it is characterised in that conductive strips arrange with corresponding keyset stacking and weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386289.XU CN205723701U (en) | 2016-05-03 | 2016-05-03 | Use the battery case of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386289.XU CN205723701U (en) | 2016-05-03 | 2016-05-03 | Use the battery case of lithium battery |
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| Publication Number | Publication Date |
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| CN205723701U true CN205723701U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620386289.XU Active CN205723701U (en) | 2016-05-03 | 2016-05-03 | Use the battery case of lithium battery |
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| CN (1) | CN205723701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI766990B (en) * | 2018-05-04 | 2022-06-11 | 南韓商Ｌｇ新能源股份有限公司 | Small battery pack casing assembly |
-
2016
- 2016-05-03 CN CN201620386289.XU patent/CN205723701U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI766990B (en) * | 2018-05-04 | 2022-06-11 | 南韓商Ｌｇ新能源股份有限公司 | Small battery pack casing assembly |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181008 Address after: 054007 Huining village, Xingtai County, Xingtai, Hebei Patentee after: Hebei Hongxing Automobile Manufacturing Co., Ltd. Address before: 454191 Henan Jiaozuo industrial agglomeration area, West Park, Xinyuan Road, north side of the standardization workshop. Patentee before: Duofuduo (Jiaozuo) Amperex Technology Limited |