CN202817073U - Polar unit positioning device of large-volume lithium ion battery - Google Patents

Abstract

The utility model discloses a polar unit positioning device of a large-volume lithium ion battery. The polar unit positioning device comprises a polar unit support positioning bottom plate (1), wherein the front surface of the polar unit support positioning bottom plate (1) is provided with a polar unit positioning groove (2) which is internally provided with battery polar units required to be positioned. The polar unit positioning device of the large-volume lithium ion battery, disclosed by the utility model, can be used for effectively protecting battery tags which are protruded outwards from the staked battery, and the problem that the battery tags are bent easily when the battery polar units have overlarge area can be avoided, the production quality of the battery can be ensured, the production efficiency of the battery is improved, normal use of the lithium ion battery is ensured, the service life of the lithium ion battery is prolonged, the large-scale production can be formed, and great production practical significance can be achieved.

Description

A kind of utmost point group positioner of high capacity lithium ion battery

Technical field

The utility model relates to the battery technology field, particularly relates to a kind of utmost point group positioner of high capacity lithium ion battery.

Background technology

Along with worldwide energy crisis and climate warming; traffic and transport field is in the urgent need to a kind of brand-new energy mode; and lithium ion battery is because of its environmental protection; the characteristics such as high-energy output have caused the extensive concern of traffic and transport field; at present, in the world wide relevant industries all to lithium ion battery at the application start in this field widely research.

The advantages such as lithium ion battery has high working voltage, high-energy-density, has extended cycle life, non-environmental-pollution, not only be used widely at portable communication apparatus and portable electric appts, and be widely used in the big-and-middle-sized electrical equipment aspects such as electric automobile, electric bicycle and electric tool, be the main direction of present each macrocell producer development.

Follow the research of lithium ion battery on communications and transportation, large-scale energy storage device to use, traditional low capacity cell is difficult to satisfy the requirement of macro-energy output storage, and the research of large capacity single body battery has obtained paying close attention to more and more widely.Along with the gradually increase of cell volume, conventional battery structure and technology mode have been difficult to adapt to the performance realization of large capacity single body battery.For traditional core strueture, the battery pole group generally adopts the takeup type structure, gradually increase along with the cell capacity, adopt traditional battery structure need to increase considerably the length of pole piece and the size of lug, brought thus a series of problem, for example: the difficulty of processing, the problem such as in uneven thickness that the reliability of welding and tab welding cause, these problems have restricted the further raising of performance of lithium ion battery, therefore, present laminated type battery and pole piece edge more and more obtain attention and the research of battery production producer as the battery battery core structure of paper tinsel lug.

But, for laminated type battery and the pole piece edge battery battery core structure as the paper tinsel lug, because this structure often need to cut at the battery pole piece edge " protruding " font as electric current lead body (namely with one section outwardly battery pole piece as battery pole ear), therefore, when battery pole group area was excessive, battery pole ear bent easily, had had a strong impact on the quality of production of battery, reduce simultaneously the production efficiency of battery, improved the production cost of battery.

Therefore; in the urgent need to developing a kind of device, it can carry out the effective location protection to battery pole ear outwardly on the laminated type battery at present, prevents from occurring when battery pole group area is excessive the easily problem of bending of battery pole ear; guarantee the quality of production of battery, improve the production efficiency of battery.

The utility model content

In view of this; the purpose of this utility model provides a kind of utmost point group positioner of high capacity lithium ion battery; it can carry out the effective location protection to battery pole ear outwardly on the laminated type battery; prevent from when battery pole group area is excessive, occurring the easily problem of bending of battery pole ear; guarantee the quality of production of battery; improve the production efficiency of battery; guarantee the normal use of lithium ion battery; prolonged the useful life of lithium ion battery; can form the scale of industry, be of great practical significance.

For this reason, the utility model provides a kind of utmost point group positioner of high capacity lithium ion battery, include utmost point group supporting and location base plate, described utmost point group supporting and location base plate front is provided with a utmost point group detent, is placed with the battery pole group that needs the location in the described utmost point group detent.

Wherein, the shape of described utmost point group detent, size and the shape of described battery pole group, big or small corresponding coupling.

Wherein, the left side of described utmost point group supporting and location base plate is articulated with a battery cover board, the shape of described battery cover board, size and the shape of described utmost point group detent, big or small corresponding coupling.

Wherein, the top of described battery pole group is protruded and is formed with two battery pole ears; Two ends, the described utmost point group supporting and location plate top surface left and right sides are respectively arranged with a guide pillar, and the top of described two guide pillars is inserted into a lug location-plate bottom, and described lug location-plate and described guide pillar are slidingly matched.

The technical scheme that is provided by above the utility model as seen; compared with prior art; the utmost point group positioner of a kind of high capacity lithium ion battery that the utility model provides; it can carry out the effective location protection to battery pole ear outwardly on the laminated type battery; prevent from when battery pole group area is excessive, occurring the easily problem of bending of battery pole ear; guarantee the quality of production of battery; improve the production efficiency of battery; guarantee the normal use of lithium ion battery; prolonged the useful life of lithium ion battery; can form the scale of industry, be of great practical significance.

Description of drawings

The surface structure schematic diagram of the utmost point group positioner of a kind of high capacity lithium ion battery that Fig. 1 provides for the utility model;

Among the figure, 1 is utmost point group supporting and location base plate, and 2 is utmost point group detent, and 3 is the battery pole group, and 4 is battery cover board, and 5 is guide pillar, and 6 is the lug location-plate, and 7 is battery pole ear.

Embodiment

In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with drawings and embodiments.

Referring to Fig. 1, the utility model provides a kind of utmost point group positioner of high capacity lithium ion battery, include utmost point group supporting and location base plate 1, described utmost point group supporting and location base plate 1 front is provided with a utmost point group detent 2, is placed with the battery pole group 3 that needs the location in the described utmost point group detent 2.

The utmost point group positioner of a kind of high capacity lithium ion battery that provides for utility model is preferably for battery pole ear outwardly on the laminated type lithium ion battery being carried out the effective location protection.

Need to prove, shape, the big or small corresponding coupling of the shape of described utmost point group detent 2, size and the battery pole group 3 of need locating, with accurate placement and self-contained battery utmost point group 3, the use that matches with described utmost point group detent 2 of described battery pole group 3.

Referring to Fig. 1, the left side of described utmost point group supporting and location base plate 1 is articulated with a battery cover board 4, the shape of described battery cover board 4, size and the shape of described utmost point group detent 2, big or small corresponding coupling, described battery cover board 4 can left rotation and right rotation rotate, rotate to when battery cover board 4 on the position on utmost point group detent 2 left sides, the battery pole group 3 that can the handled easily workman will need to locate is placed in the described utmost point group detent 2; And after battery pole group 3 is placed into described utmost point group detent 2, the operator can continue battery cover board 4 is rotated to battery pole group 3 tops, namely cover at battery pole group 3 tops, thereby effective protection is formed on battery pole group 3 tops, avoid outside the problems such as collision, scratch are caused at battery pole group 3 tops.Therefore, in conjunction with the protection of 1 pair of battery pole group 3 top of utmost point group supporting and location base plate and side, the utmost point group positioner that the utility model provides can provide omnibearing protection to top, bottom, the side of battery pole group 3.

Referring to Fig. 1, the top of described battery pole group 3 is protruded and is formed with two battery pole ears 7; Two ends, the described utmost point group supporting and location base plate 1 end face left and right sides are respectively arranged with a guide pillar 5, the top of described two guide pillars 5 is inserted into lug location-plate 6 bottoms, described lug location-plate 6 is slidingly matched with described guide pillar 5, described lug location-plate 6 can vertically move up and down along described two guide pillars 5, until contact with the battery pole ear 7 at battery pole group 3 tops, thereby lug location-plate 6 can form an extruding force to the top of battery pole ear 7, under this extruding force effect, battery pole ear 7 is realized accurate stationary positioned, thereby be not easy to occur the easily problem of bending in process of production and in the use procedure, guaranteed the quality of production of lithium ion battery.Simultaneously, because described lug location-plate 6 can vertically move up and down along described two guide pillars 5, therefore can arbitrarily regulate size, be fit to fixing use the in location of multi-model number utmost point Battery pack lug, and easily processing, low cost of manufacture.

Need to prove; on the specific implementation; it is corrosion-resistant that the utmost point group positioner of the high capacity lithium ion battery that the utility model provides is preferably use; the insulating material of high temperature resistance is processed into; be specifically as follows the bakelite material; compare with other materials; lightweight; cost is low; assembly precision is high; not yielding; replace other materials with the bakelite material; be conducive to like this guarantee the battery pole group when putting into utmost point group detent 2, protect simultaneously battery pole group membrane surface can not scratch, thereby avoid causing battery pole group 3 short circuit phenomenon to occur; reduce the battery manufacture cost, improve battery security.In addition, in the production in enormous quantities situation, the bakelite material can also cut down finished cost.The bakelite material can strictly be controlled the dimensional tolerance of each parts by casting mould processing, makes the utmost point group positioner of a kind of high capacity lithium ion battery that the utility model provides can realize assembling preferably cooperation.

In addition, the utmost point group positioner of a kind of high capacity lithium ion battery that provides for the utility model, the battery pole ear 7 at its battery pole group 3 tops is because the extruding positioning action of lug location-plate 6, therefore, the pole piece of battery pole group 3 inside can not move thereupon and be offset, guarantee like this battery quality, improved rate of finished products.

In sum; compared with prior art; the utility model provides a kind of utmost point group positioner of high capacity lithium ion battery; it can carry out the effective location protection to battery pole ear outwardly on the laminated type battery; prevent from when battery pole group area is excessive, occurring the easily problem of bending of battery pole ear; guarantee the quality of production of battery; improve the production efficiency of battery; guarantee the normal use of lithium ion battery; prolonged the useful life of lithium ion battery; can form the scale of industry, be of great practical significance.

The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.

Claims (4)

1. the utmost point group positioner of a high capacity lithium ion battery, it is characterized in that, include utmost point group supporting and location base plate (1), described utmost point group supporting and location base plate (1) front is provided with a utmost point group detent (2), is placed with the battery pole group (3) that needs the location in the described utmost point group detent (2).

2. utmost point group positioner as claimed in claim 1 is characterized in that, the shape of described utmost point group detent (2), size and the shape of described battery pole group (3), big or small corresponding coupling.

3. utmost point group positioner as claimed in claim 1, it is characterized in that, the left side of described utmost point group supporting and location base plate (1) is articulated with a battery cover board (4), the shape of described battery cover board (4), size and the shape of described utmost point group detent (2), big or small corresponding coupling.

4. such as each described utmost point group positioner in the claims 1 to 3, it is characterized in that the top of described battery pole group (3) is protruded and is formed with two battery pole ears (7); Two ends, described utmost point group supporting and location base plate (1) the end face left and right sides are respectively arranged with a guide pillar (5), and the top of described two guide pillars (5) is inserted into a lug location-plate (6) bottom, and described lug location-plate (6) is slidingly matched with described guide pillar (5).

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