CN217468626U - Soft-packaged battery core group tool - Google Patents

Abstract

The utility model discloses a soft-packaged electrical core is frock in groups, include: compared with the existing manual tin soldering or laser welding, the soft-packaged battery cell has the advantages that the welding fixing mode is directly abandoned, the insulating medium layer is used as the connecting medium between the battery cell and ensures the insulativity between the battery cell and the battery cell, the insulating plate is used as the fixing base and the electric connection base of the tab, the grouping of the soft-packaged battery cell without welding is realized, the manufacturing cost is reduced, the convenience of maintenance is greatly improved, and the soft-packaged battery cell has good application prospect and application range.

Description

Soft-packaged battery core group tool

Technical Field

The utility model relates to a soft-packaged electrical core technical field, more specifically the utility model relates to a soft-packaged electrical core is frock in groups that says so.

Background

At present, soft-packaged electrical core generally adopts electric core utmost point ear to change the manual soldering behind the nickel or adopts laser welding's mode to realize fixedly and electrically connecting (because the characteristic of aluminium material leads to the aluminium material to hardly carry out direct soldering operation), and these two kinds of scheme technologies are loaded down with trivial details, the processing cost is higher relatively, and later stage maintenance is changed and is had the limitation, and the operation is inconvenient, can't the on-the-spot maintenance change even, and cost of maintenance is higher.

In view of this, how to provide a soft package battery cell grouping tool with low manufacturing cost and convenient maintenance is a technical problem that needs to be solved urgently by those in the art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.

Therefore, an object of the utility model is to provide a soft-packaged electrical core is frock in groups, include:

the battery comprises a plurality of soft package battery cells, wherein each soft package battery cell comprises an integrally formed battery cell area and a film covering area positioned on the upper part of the battery cell area, the front side and the rear side of each film covering area are covered and adhered with insulating aluminum plastic films, the film covering areas are provided with two lugs, the lugs are provided with first screw holes in a penetrating manner, and the number of the soft package battery cells is multiple;

the insulating medium layer is arranged between the adjacent soft-package battery cells and is adhered to the battery cell areas of the adjacent soft-package battery cells;

the insulating plate is provided with a plurality of polar lug holes penetrating through the upper surface and the lower surface at positions corresponding to the polar lugs, a second screw hole is arranged between two adjacent polar lug holes, the polar lugs penetrate through the polar lug holes from bottom to top, and the second screw hole corresponds to the first screw hole after being bent; the lugs of two adjacent soft-package battery cells are electrically connected in series or in parallel;

and the fastening screw is sequentially in threaded connection with the first screw hole and the second screw hole.

The beneficial effects of the utility model are that:

compared with the existing manual soldering or laser welding, the invention directly abandons the fixing mode of welding, takes the insulating medium layer as the connecting medium between the electric core and ensures the insulativity between the electric core and the electric core, takes the insulating plate as the fixing base and the electric connection base of the tab, realizes the grouping of the soft-packaged electric cores without welding, reduces the manufacturing cost, greatly improves the convenience of maintenance and has good application prospect and application range.

Further, still include that the insulating bubble of EVA is cotton, a plurality of soft-packaged electrical core form soft-packaged electrical core group, the insulating bubble of EVA cotton set up in the outside of soft-packaged electrical core group to with the insulating plastic-aluminum membrane adhesion that is located the outside.

Adopt the insulating cotton of EVA bubble to strengthen fixedly can ensure the whole fastness of soft-packaged electric core behind in groups.

Preferably, the insulating medium layer is an insulating silica gel sheet; the thickness of the insulating medium layer is 1-2mm, and preferably 1 mm.

In the technical scheme, the insulating medium layer has the functions of insulation and heat conduction, and if the thickness is too thick, the overall size and cost of the battery pack are correspondingly increased; if the thickness is too small, the insulating and heat conducting effects are not good, and therefore the thickness is preferably as described above.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a top view of the structure;

FIG. 3 is a schematic view of installation of a single soft-packaged battery cell and an insulating medium layer;

the battery comprises a 1-soft package battery cell, a 101-battery cell region, a 102-film covering region, a 2-insulating aluminum plastic film, a 3-pole lug, a 301-first screw hole, a 4-insulating medium layer, a 5-insulating plate, a 501-pole lug hole, a 502-second screw hole and 6-EVA insulating foam.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The embodiment of the utility model discloses soft-packaged electrical core 1 is frock in groups, include:

the soft package battery cell 1 comprises a plurality of integrated battery cell areas 101 and a film covering area 102 positioned on the upper part of the battery cell areas 101, wherein the front side and the rear side of each film covering area 102 are covered and adhered with an insulating aluminum-plastic film 2, the film covering area 102 is provided with two tabs 3, the tabs 3 are provided with first screw holes 301 in a penetrating manner, and the number of the soft package battery cells 1 is multiple; the insulating medium layer 4 is arranged between the adjacent soft-package battery cells 1, and is adhered to the battery cell area 101 of the adjacent soft-package battery cell 1; the insulating plate 5, the position of the insulating plate 5 corresponding to the pole ear 3 is penetrated through the upper and lower surfaces and is provided with a plurality of pole ear holes 501, a second screw hole 502 is arranged between two adjacent pole ear holes 501, the pole ear 3 passes through the pole ear holes 501 from bottom to top, and the second screw hole 502 corresponds to the first screw hole 301 after being bent; the lugs 3 of two adjacent soft-package battery cells 1 are electrically connected in series or in parallel; and the fastening screws are sequentially in threaded connection with the first screw holes 301 and the second screw holes 502.

As shown in fig. 1, this embodiment discloses ten soft-packaged electrical core 1 series connection structure schematics, in this embodiment, still includes that the EVA is insulating to steep cotton, and a plurality of soft-packaged electrical core 1 form soft-packaged electrical core 1 group, and the EVA is insulating to steep cotton and set up in the outside of soft-packaged electrical core 1 group to with the 2 adhesions of insulating plastic-aluminum membrane that are located the outside.

It should be noted that, in this embodiment, the tab 3 is divided into an anode tab and a cathode tab, the anode tab and the cathode tab of two adjacent soft-package battery cells 1 are disposed on the same side (in series connection), and are bent relatively, after bending, the anode tab of one of the soft-package battery cells 1 and the cathode tab of the other soft-package battery cell 1 are overlapped (the anode tab and the cathode tab are overlapped in the drawing) and electrically connected, and finally, the tabs are fixed by fastening screws. In this example the positive tab was made from AL1050 aluminum strip material and the negative tab was made from TU1 copper strip material.

In this embodiment, all be provided with second screw 502 between two adjacent soft-packaged electrical core 1, nevertheless because the anodal utmost point ear and the negative pole utmost point ear of two adjacent soft-packaged electrical core 1 can buckle relatively, consequently have that partial second screw 502 is idle, and partial second screw 502 cooperates with fastening screw.

In this embodiment, the insulating medium layer 4 is an insulating silica gel sheet; the thickness of the insulating medium layer is 1-2mm, and is set to 1mm in the present embodiment.

The utility model provides a soft-packaged electrical core is frock in groups compares with current manual tin soldering or laser welding, and welded fixed mode is directly abandoned to the invention, regard as the connecting medium between electric core and the electric core and guaranteed the insulating nature between electric core and the electric core to the insulating medium layer, regard as the fixed baseplate and the electricity connection base of utmost point ear with the insulation board, realized that no welding soft-packaged electrical core is in groups, when reducing the cost of manufacture, improved the convenience of maintenance greatly, good application prospect and application scope have.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (5)

1. The utility model provides a soft-packaged electrical core is frock in groups which characterized in that includes:

the flexible package battery cell comprises a plurality of integrated battery cell areas and a film covering area positioned on the upper part of the battery cell areas, wherein the front side and the rear side of the film covering area are covered and adhered with insulating aluminum-plastic films, the film covering area is provided with two lugs, the lugs are provided with first screw holes in a penetrating manner, and the number of the flexible package battery cells is multiple;

the insulating medium layer is arranged between the adjacent soft-package battery cells and is adhered to the battery cell areas of the adjacent soft-package battery cells;

the insulating plate is provided with a plurality of polar lug holes penetrating through the upper surface and the lower surface at positions corresponding to the polar lugs, a second screw hole is arranged between two adjacent polar lug holes, the polar lugs penetrate through the polar lug holes from bottom to top, and the second screw hole corresponds to the first screw hole after being bent; the lugs of two adjacent soft-packaged battery cells are electrically connected in series or in parallel;

and the fastening screw is sequentially in threaded connection with the first screw hole and the second screw hole.

2. The grouping tool for the soft package battery cells according to claim 1, further comprising EVA insulation foam, wherein the soft package battery cells form a soft package battery core group, and the EVA insulation foam is arranged on the outer side of the soft package battery core group and adhered to the insulation aluminum-plastic film positioned on the outer side.

3. The tool for grouping the soft package cells according to claim 1, wherein the insulating medium layer is an insulating silica gel sheet.

4. The tool for grouping the soft package cells according to claim 3, wherein the thickness of the insulating medium layer is 1-2 mm.

5. The tool for grouping the soft package cells according to claim 4, wherein the thickness of the insulating medium layer is 1 mm.

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