CN203085668U

CN203085668U - Battery module

Info

Publication number: CN203085668U
Application number: CN2012205151610U
Authority: CN
Inventors: 任永耕; 陈建伸; 邱建凯
Original assignee: Hua-Chuang Automobile Information Technical Center Co Ltd
Current assignee: Hua-Chuang Automobile Information Technical Center Co Ltd
Priority date: 2012-10-09
Filing date: 2012-10-09
Publication date: 2013-07-24
Anticipated expiration: 2022-10-09

Abstract

The utility model discloses a battery module. The battery module is provided with at least one positive electrode part and at least one negative electrode part and comprises at least two battery cells, wherein the battery cells are contained in the battery module, a negative electrode polar plate is arranged at the negative electrode part and covers the battery cell of the negative electrode part, a positive electrode polar plate is arranged at the positive electrode part and covers the battery cell of the positive electrode part, the positive electrode polar plate comprises at least one extension part, and the extension part extends from the positive electrode polar plate along the direction of the negative electrode part of the battery module and covers the periphery of the positive electrode part of the battery module.

Description

Battery module

Technical field

The utility model relates to a kind of battery module, and particularly a kind of have at least two pole plates that are covered in the extension around the battery module positive pole portion.

Background technology

Progress and shortage of energy sources along with the epoch, environment is destroyed gradually because of people's exploitation, therefore many at present national government office begins to promote environmental protection and advertises alternative energy, and then drive green can industry take off, make people's daily life food clothing live in the row to be flooded with the sci-tech product that environmental protection in many demands, wherein, the most representative with the development of electric motor car.Yet, quick progress along with electric motor car, the development of rechargeable battery is also healed and is become for wanting, and the charge capacity of rechargeable battery and the speed that discharges and recharges all are the keys that influences its maturation, and the scheme of current solution charge capacity is to make up a plurality of batteries and becomes a battery module.

Under above-mentioned background, for increasing the ampere-hour number and the operating voltage of battery module, must a plurality of battery of connection in series-parallel (Cell) also see through the conductive plate derived current, and because after a large amount of battery connection in series-parallel, when battery module discharges and recharges, because of producing high heat (as high current charge-discharge), chemical reaction can produce a large amount of heats, especially comparatively obvious with the anodal portion of battery module, and existing conductive plate is when dispelling the heat to battery module, difficultly discharge a large amount of heats that anode portion is produced, and then have certain probability to cause the battery module temperature too high and influence output performance.

Believe in affiliated technical field, to have such as and know the knowledgeable usually, after the known techniques of more than reading, being put down in writing, should be understood that in the above-mentioned known techniques, the anodal portion of battery module can produce a large amount of heats because electric current discharges and recharges, and the radiating efficiency of existing conductive plate is far away not as good as in the speed that produces heat, also therefore has certain probability to cause the battery module temperature too high and influence output performance.

The utility model content

At defective and deficiency that prior art exists, main purpose of the present utility model is to provide a kind of battery module.

For achieving the above object, the utility model by the following technical solutions:

A kind of battery module, have at least one anodal portion and at least one negative pole portion, and comprise at least two battery, and negative plates is arranged at negative pole portion, and is covered in the battery of negative pole portion, and anode plate is arranged at anodal portion, and be covered in the battery of anodal portion, and anode plate comprises at least one extension, and the direction of extension negative pole portion along battery module from anode plate is extended, and be covered in battery module anodal portion around.In addition, extension and anode plate are one-body molded.

The preferably, in the above-mentioned battery module, anode plate is provided with at least two first conductive parts and at least two first louvres, and first louvre is arranged at two sides of first conductive part; With respect at least two second conductive parts and at least two second louvres of negative plates, its second louvre is arranged at two sides of second conductive part.

In addition, the preferably, in the above-mentioned battery module, extension is provided with at least two the 3rd louvres or is provided with at least two radiating fins.In addition, battery module has at least one module housing to be coated on battery module, anode plate and negative plates outward.Wherein, extension is covered in the part around the anodal portion of battery module, and the front end of extension also is covered in the part of a side of negative pole portion, and one-body molded with anode plate.

The effect of the utility model contrast prior art:

In known techniques, because the anodal portion of battery module can produce a large amount of heats when electric current discharges and recharges, and the radiating efficiency of existing conductive plate is far away not as good as in the speed that produces heat, also therefore has certain probability to cause the module temperature too high and influence output performance.

Edge this, in the anode plate provided by the utility model, owing to have at least two extensions around the anodal portion that is covered in battery module, thereby increase the area of dissipation of pole plate on a large scale, use the radiating efficiency of the anodal portion that promotes battery module.

The specific embodiment that the utility model adopted will be by following embodiment and graphic being further described.

Description of drawings

Fig. 1 is the anode plate structural representation of the utility model preferred embodiment;

Fig. 2 is applied to the battery module schematic diagram for the anode plate of the utility model preferred embodiment;

Fig. 3 is the anode plate structural representation of the utility model second embodiment; And

Fig. 4 is the anode plate structural representation of the utility model the 3rd embodiment.

[primary clustering symbol description]

1,1a, 1b anode plate 11,11a, 11b extension 111 the 3rd louvre

111a radiating fin 111b heat extraction fan sheet 12,12a first conductive part

13,13a first louvre 14,14a first location hole 2 battery modules

21 22 negative pole portions of anodal portion, 23 battery

3 negative plates, 31 second conductive parts, 32 second louvres

33 second location hole L bearing of trends

Embodiment

Because in the anode plate provided by the utility model, its correlation combiner execution mode is too numerous to enumerate, so give unnecessary details no longer one by one at this, only enumerates three preferable embodiment and is specified.

See also Fig. 1 and Fig. 2, Fig. 1 is the anode plate structural representation of the utility model preferred embodiment.As shown in Figure 1, anode plate 1 comprise among at least two extension 11(figure only indicate one), only indicate one among at least two first conductive part 12(figure) and at least two first louvre 13(figure in only indicate one).At least one of extension 11 is provided with the preferred embodiment of at least two the 3rd louvre 111(the utility model the 3rd louvre 111 only is set on an extension 11), and the 3rd louvre 111 is arranged at extension 11 with the matrix form arrangement.

In addition, the shape of extension 11 can be rule or irregular geometric figure, and one-body molded with anode plate 1, in the utility model preferred embodiment, one extension, 11 rectangles, another then is irregular geometry, and the 3rd louvre 111 is arranged at the extension 11 of rectangle.And first louvre 13 is arranged at two sides of first conductive part 12, and is arranged at anode plate 1 with the matrix form arrangement.In addition, anode plate 1 more is provided with at least two first location holes 14.

See also Fig. 1 and Fig. 2, Fig. 2 is applied to the battery module schematic diagram for the anode plate of the utility model preferred embodiment.As shown in Figure 1, 2, the utility model preferred embodiment with two anode plate 1(up and down each one, and only indicate one among the figure) be applied to a battery module 2, and battery module 2 have among the two anodal 21(figure of portion only indicate one) and the two 22(figure of negative pole portion in only indicate one), and comprise among at least two battery 23(figure and only indicate one), and battery 23 is placed in battery module 2, more particularly, be provided with at least two storage tanks (figure does not show) in battery module 2 on the practice, use set battery core 23.

In addition, battery 23 has positive pole (figure does not show) and negative pole (figure does not show), two anode plates 1 are arranged at two anodal portions 21 respectively, and be covered in the battery 23 of anodal portion, more particularly, first conductive part 12 of two anode plates 1 covers respectively and is linked to the positive pole of battery 23, uses to make two anode plates 1 can conduct the electric current that positive pole produced by battery 23.In addition, extension 11 extends along a bearing of trend L from anode plate 1, more particularly, the direction of extension 11 negative pole portion 22 along battery module 2 from anode plate 1 is extended, and be covered in battery module 2 anodal portion 21 around, in brief, extension 11 extends two sides that are covered in anodal portion 21 from two sides of anode plate 1 along the direction of the negative pole portion 22 of battery module 2, further, extension 11 1 sides are covered in the part of anodal portion 21, opposite side is covered in outside the part of anodal portion 21, and the front end of extension 11 also extends a part that more is covered in negative pole portion 22 to negative pole portion 22.

In addition, only indicate one among the two negative plates 3(figure, another negative plates is positioned at the back side of battery module 2) be arranged at negative pole portion 22, and be covered in the battery 23 of negative pole portion, in addition, two negative plates 3 are provided with at least two second conductive parts 31 and at least two louvres 32, second louvre 32 is arranged at two sides of second conductive part 31, and be arranged at two negative plates 3 with the matrix form arrangement, in addition, the size of second louvre 32 is less than first louvre 13.In addition, two negative plates 3 more are provided with at least two second location holes 33, and are arranged at two negative plates 3 with the matrix form arrangement.

More particularly, second conductive part 31 covers respectively and is linked to the negative pole of battery 23, uses the positive pole and the negative pole that make battery 23 and forms the loop.Wherein, one module housing is (owing to be known techniques, no longer drawn at this) be arranged at outside anode plate 1, battery module 2 and the negative plates 3, and battery pole ear (not illustrating in diagram) is set further, this battery pole ear system is connected the metallic conductor of extending out with the positive pole of battery 23 with negative pole, battery module 2 can be switched on and operate in electric motor car in order to be in communication with the outside carrying out charge or discharge, to use.

See also Fig. 3, Fig. 3 is the anode plate structural representation of the utility model second embodiment.As shown in Figure 3, second embodiment is provided with among the extension 11a at least one among two radiating fin 111a(figure only indicates one at least), and the utility model second embodiment only is provided with radiating fin 111a on an extension 11a, increase area of dissipation by this, and then promotes radiating effect.In addition, itself and Fig. 1 are provided with at least two first conductive part 12a, at least two first louvre 13a and at least two first location hole 14a equally, that is to say, the place that second embodiment is different with first embodiment only is among second embodiment, and among the extension 11a at least one is provided with at least two radiating fin 111a.

See also Fig. 4, Fig. 4 is the anode plate structural representation of the utility model the 3rd embodiment, as shown in Figure 4, the 3rd embodiment is provided with among the extension 11b at least one among three heat extractions fan sheet 111b(figure and only indicates one), and then form the structure of similar shutter, and the utility model the 3rd embodiment only is provided with heat extraction fan sheet 111b on an extension 11b, promote radiating effect by this.In addition, what deserves to be mentioned is that the place that the 3rd embodiment is different with first embodiment is among the 3rd embodiment, among the extension 11b at least one is provided with three heat extractions fan sheet 111b.

In sum, in the anode plate 1 provided by the utility model, owing to have at least two anodal portion 21 extensions 11 on every side that are covered in battery module 2, and further be provided with at least two the 3rd louvres 111, radiating fin 111a or heat extraction fan sheet 111b on the extension 11, thereby increase area of dissipation on a large scale, use the radiating efficiency of the anodal portion 21 that promotes battery module 2.

The above; it only is embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.

Claims

1. battery module has at least one anodal portion and at least one negative pole portion, and comprise at least two battery, and negative plates is arranged at negative pole portion, and is covered in the battery of negative pole portion; Anode plate is arranged at the anodal portion of battery module, and is covered in the battery of anodal portion, it is characterized in that, also comprises:

At least one extension, the direction of the negative pole portion from described anode plate along battery module is extended, and be covered in battery module anodal portion around.