CN206059583U

CN206059583U - Battery modules

Info

Publication number: CN206059583U
Application number: CN201621104641.2U
Authority: CN
Inventors: 张上富
Original assignee: Contemporary Amperex Technology Co Ltd
Current assignee: Contemporary Amperex Technology Co Ltd
Priority date: 2016-10-09
Filing date: 2016-10-09
Publication date: 2017-03-29
Anticipated expiration: 2026-10-09

Abstract

The application is related to technical field of battery production, more particularly to a kind of battery modules, including multiple battery cores and metal partion (metp), and the metal partion (metp) includes base plate and polylith riser, and the riser is fixed with the base plate；The battery core includes bottom surface and side, and the battery core is spaced with the riser to be stacked, and the bottom surface is fitted with the base plate, and the side is fitted with the riser.Battery modules provided herein, replace existing Plastic securing panel using metal partion (metp), metal partion (metp) includes base plate and riser, and makes the side of battery core fit with riser, and bottom surface is fitted with base plate, when battery modules are installed on Battery case, base plate is directly contacted with Battery case, and the heat of the side of battery core can reach Battery case by riser, base plate, is prevented from the aggregation of battery core heat, extend the life-span of battery core, it is ensured that the performance of battery modules.

Description

Battery modules

Technical field

The application is related to technical field of battery production, more particularly to a kind of battery modules.

Background technology

With the development of new forms of energy, battery modules are increasingly used widely.Existing battery modules include two pieces of sides Plate and battery core, two blocks of side plates be arranged in parallel, correspond in the two relative medial surface and are bonded with polylith Plastic securing panel, and battery core is placed Between two pieces of adjacent Plastic securing panels, and it is adhesively fixed by structure glue, then battery modules is integrally positioned over battery again Casing.

Existing this structure, due to Plastic securing panel have conductive force, and the major heat of battery core concentrate on it is close The side of Plastic securing panel, after battery modules are positioned over Battery case, the bottom of battery core is contacted with Battery case, and side is to electricity Pond casing lacks conductive structure, therefore, the heat of side cannot import the bottom of Battery case, cause battery core heat to assemble, contracting In the short battery core life-span, affect the performance of battery modules.

Utility model content

This application provides a kind of battery modules, can avoid the aggregation of battery core heat, extend the life-span of battery core, it is ensured that electricity The performance of pond module.

This application provides a kind of battery modules, including multiple battery cores and metal partion (metp), the metal partion (metp) includes base plate With polylith riser, the riser fixed with the base plate；The battery core includes bottom surface and side, the battery core and the riser phase Mutually interval is stacked, and the bottom surface is fitted with the base plate, and the side is fitted with the riser.

Preferably, the riser is provided with breach, and the breach is relative with the central area of the side.

Preferably, also including filling plate, the filling plate is connected to the breach, and is located in the breach, described to fill out The ductility for filling plate is big compared with the ductility of the riser.

Preferably, the breach is U-shape structure, and the opening of the U-shape structure faces away from the side of the base plate.

Preferably, the bottom of the U-shape structure is semicircle cambered surface, the center of circle of the semicircle cambered surface and the center of the side Overlap.

Preferably, the filling plate and/or the metal partion (metp) are provided with through hole.

Preferably, the through hole is provided with multiple, and along annular arrangement.

Preferably, the material of the filling plate is red copper.

Preferably, also including insulating heat-conductive paint or insulating heat-conductive film；The material of the filling plate is plastic cement or silica gel, The filling plate is fitted with the battery core by the insulating heat-conductive paint or insulating heat-conductive film.

Preferably, the base plate includes multiple daughter boards, and the number of the daughter board is identical with the number of the riser, an institute State riser to be connected with the daughter board, form L-type；Fit with the corresponding daughter board bottom surface.

The technical scheme that the application is provided can reach following beneficial effect：

Battery modules provided herein, replace existing Plastic securing panel, metal partion (metp) to include bottom using metal partion (metp) Plate and riser, and make the side of battery core fit with riser, bottom surface is fitted with base plate, when battery modules are installed on Battery case, Base plate is directly contacted with Battery case, and the heat of the side of battery core can reach Battery case by riser, base plate, be prevented from Battery core heat is assembled, and extends the life-span of battery core, it is ensured that the performance of battery modules.

It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited Application.

Description of the drawings

Fig. 1 is a kind of structural representation of specific embodiment of battery modules provided herein；

Fig. 2 is the structural representation of a kind of specific embodiment metal partion (metp) of battery modules provided herein and filling plate Figure；

Fig. 3 is the explosive view of a kind of specific embodiment metal partion (metp) of battery modules provided herein and filling plate；

Fig. 4 is a kind of specific embodiment metal partion (metp) of battery modules provided herein and filling plate after battery core expansion Structural representation；

Fig. 5 is the sectional view of the line A-A along Fig. 4；

Fig. 6 is the zoomed-in view at B in Fig. 5；

Fig. 7 is the structural representation of battery modules another kind specific embodiment metal partion (metp) provided herein；

Fig. 8 is the structural representation of another specific embodiment metal partion (metp) of battery modules provided herein.

Reference：

1- end plates；

2- side plates；

3- battery cores；

4- metal partion (metp)s；

41- risers；

411- breach；

42- base plates；

5- fills plate；

51- through holes.

During accompanying drawing herein is merged in description and the part of this specification is constituted, show the enforcement for meeting the application Example, and be used for explaining the principle of the application together with description.

Specific embodiment

Below by specific embodiment and combine accompanying drawing the application is described in further detail.Described in text "front", "rear", "left", "right", " on ", D score with the laying state in accompanying drawing as reference.

As shown in figure 1, the embodiment of the present application provides a kind of battery modules, including multiple battery cores 3 and metal partion (metp) 4, gold Category dividing plate 4 includes base plate 42 and polylith riser 41, and as illustrated in figs. 2 through 8, riser 41 is fixed with base plate 42；Battery core 3 include bottom surface and Side, battery core 3 is spaced with riser 41 to be stacked, and bottom surface is fitted with base plate 42, and side is fitted with riser 41.

Battery modules also include end plate 1 and side plate 2, above-described embodiment when in use, two end plates 1 and battery core 3, metal every Plate 4 is stacked, and positioned at battery core 3, the both sides of 4 combinative structure of metal partion (metp), multiple battery cores 3 is clamped with metal partion (metp) 4, when So, can also be connected by the way of welding between battery core 3, metal partion (metp) 4 and end plate 1, side plate 2, then end plate 1 and side plate 2 connections.Existing Plastic securing panel is replaced by using metal partion (metp) 4, metal partion (metp) 4 includes base plate 42 and riser 41, and makes electricity The side of core 3 is fitted with riser 41, and bottom surface is fitted with base plate 42, and when battery modules are installed on Battery case, base plate 42 is direct Contact with Battery case, the heat of the side of battery core 3 can reach Battery case by riser 41, base plate 42, be prevented from electricity 3 heat of core is assembled, and extends the life-span of battery core 3, it is ensured that the performance of battery modules.

The riser 41 of above-described embodiment can be the plate of integrally closed, it is also possible to be provided with breach 411 or through hole 51.For In the embodiment of the plate of integrally closed, in order to prevent 3 dilatancy of battery core from causing battery modules cracking even to fail, preferred riser 41 adopt soft aluminum, to accommodate the dilatancy of battery core 3.

In order to prevent 3 dilatancy of battery core from causing battery modules cracking to arrange failure, the especially material in riser 41 is not During rust steel, preferred riser is provided with breach 411 or through hole 51.Wherein riser 41 is provided with the embodiment of through hole 51 as shown in fig. 7, vertical Plate 41 is provided with enforcement such as Fig. 3 of breach 411, shown in 8.

In the embodiment of breach 411 is provided with, breach 411 can be located at the periphery of riser 41, it is also possible to located at center Domain, as the dilatancy of battery core 3 is by the structure that outwardly convex is formed centrally along border, therefore preferably breach 411 and side Central area is relative, so that breach 411 can preferably accommodate the dilatancy of battery core 3.

In order to preferably play radiating effect, the deformation of battery core 3 can be accommodated again, battery modules also include filling Plate 5, as shown in figures 2-6, filling plate 5 is connected to breach 411, and which can be by welding or mode connects for screw, or injection connects, Filling plate 5 is located in breach 411, and the ductility of filling plate 5 is big compared with the ductility of riser 41.Filling plate 5 can close whole lacking Mouth 411, it is also possible to only close the subregion of breach 411.

The material of filling plate 5 can be metal, or it is nonmetallic, in the embodiment of metal, can be copper, and aluminum etc. Ductility and the preferable material of heat-conducting effect, preferably red copper, due to the ductility of red copper it is good, in 3 dilatancy of battery core, energy Enough guarantee filling plates 5 are fitted with battery core 3, so as to preferably play heat-conducting effect.

In nonmetallic embodiment, filling plate 5 can be plastic cement or silica gel, due to nonmetallic poor thermal conductivity, be During 3 dilatancy of battery core, heat is quickly derived, battery modules also include insulating heat-conductive film or insulating heat-conductive Paint, filling plate 5 passes through insulating heat-conductive paint or insulating heat-conductive film is fitted with battery core 3, i.e., battery core 3 compresses insulation with filling plate 5 and leads Hotting mask, or filling plate coating insulating heat-conductive paint.

In order to preferably accommodate the deflection of battery core 3, filling plate 5 or metal partion (metp) 4 are provided with through hole 51, it is also possible to the two It is equipped with through hole 51.

In the embodiment including filling plate 5, as the deflection of battery core 3 is concentrated mainly on central area, especially lacking In 411 schemes relative with central area of mouth, preferably at least fill plate 5 and be provided with through hole 51, quickly accommodate battery core to reach Deformation.

No matter through hole 51 is also provided at metal partion (metp) 4 located at filling plate 5, through hole 51 can for circular hole, square hole or other Irregularly-shaped hole.Through hole 51 can be provided with one, two or more, in order to realize preferably accommodate battery core 3 deformation, preferred through hole 51 are provided with multiple, and multiple through holes 51 can be with random arrangement, it is also possible to form a line, or matrix arrangement, it is also possible to annular row Cloth, as the deformation of battery core 3 is gradually reduced from center to surrounding, preferred through hole 51 along annular arrangement, as shown in Fig. 2-4,7, its Middle Fig. 4-6 shows that through hole 51, due to the deformation of battery core 3, fills the material of plate 5 to the structure after the extension of through hole 51.

In mode of the through hole 51 for annular arrangement, a ring can be provided only with, as in Figure 2-4, it is also possible to be provided with multi-ring, Due to the center deformation amount maximum of battery core 3, in order to preferably accommodate deflection, the preferred multi-ring direction along ecto-entad, per ring Through hole area sum increase.Further, it is preferable to the center superposition of the center of annular and side, i.e. side is centrally located at On the axis of symmetry of the through hole 51 of annular array, preferably to accommodate the deformation of battery core 3.

For the cracking for further preventing battery modules from causing due to the expansion of battery core 3, the volume sum of through hole 51 is more than 1.5 times of the volume of 3 deflection of battery core, preferably 1.5 times～2 times.

In the embodiment of breach 411 is provided with, breach 411 can be circular hole, as shown in Figure 8；Can also be U-shape structure, Especially in the scheme including filling plate 5, as shown in figure 3, the opening of breach 411 faces away from the side of base plate 42, the structure The installation of plate 5 can conveniently be filled.

In embodiment of the breach 411 for U-shape structure, the bottom of U-shape structure can be plane, or semi arch Face, preferably semicircle cambered surface, the center of circle of semicircle cambered surface and the center superposition of side, so that the variant part of breach 411 and battery core 3 The structure divided is similar, preferably accommodates the deformation of battery core 3.

In the various embodiments described above, base plate 42 can only include a daughter board, and multiple risers 41 are connected to base plate 42；Bottom Plate 42 can also include multiple daughter boards, and the number of daughter board is identical with the number of riser 41, and each daughter board connects a riser 41, can To form L-type, as Figure 2-3；Can also form T-shaped, bottom surface is fitted with corresponding daughter board.By the knot of polylith daughter board Structure, can facilitate the assembling of battery core 3 and metal partion (metp) 4.

The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent, improvement etc., should be included within the protection domain of the application.

Claims

1. a kind of battery modules, it is characterised in that including multiple battery cores and metal partion (metp), the metal partion (metp) include base plate and many Block riser, the riser are fixed with the base plate；The battery core includes bottom surface and side, and the battery core is mutual with the riser Every being stacked, and the bottom surface is fitted with the base plate, and the side is fitted with the riser.

2. battery modules according to claim 1, it is characterised in that the riser is provided with breach, the breach with it is described The central area of side is relative.

3. battery modules according to claim 2, it is characterised in that also including filling plate, the filling plate is connected to institute Breach is stated, and is located in the breach, the ductility of the filling plate is big compared with the ductility of the riser.

4. battery modules according to claim 3, it is characterised in that the breach is U-shape structure, the U-shape structure Opening faces away from the side of the base plate.

5. battery modules according to claim 4, it is characterised in that the bottom of the U-shape structure is semicircle cambered surface, described The center superposition of the center of circle of semicircle cambered surface and the side.

6. battery modules according to claim 3, it is characterised in that the filling plate and/or the metal partion (metp) are provided with Through hole.

7. battery modules according to claim 6, it is characterised in that the through hole is provided with multiple, and along annular arrangement.

8. battery modules according to claim 3, it is characterised in that the material of the filling plate is red copper.

9. battery modules according to claim 3, it is characterised in that also including insulating heat-conductive paint or insulating heat-conductive film； The material of the filling plate is plastic cement or silica gel, and the filling plate is by the insulating heat-conductive paint or insulating heat-conductive film and institute State battery core laminating.

10. battery modules according to any one of claim 1-9, it is characterised in that the base plate includes multiple daughter boards, institute The number for stating daughter board is identical with the number of the riser, and a riser is connected with the daughter board, forms L-type；The bottom surface Fit with the corresponding daughter board.