CN210123768U - Shell and electric core module of electric core module - Google Patents

Abstract

The utility model discloses a shell and electric core module of electric core module, the shell includes two first boards, two second boards, two third boards, two first board is relative from top to bottom, two relative about the second board, two relative around the third board, two first board, two second board and two the third board surrounds into the cuboid shape, first board is the flat board, be equipped with a plurality of outside bellied bosss on the second board, be equipped with a plurality of inside sunken concave parts in the third board. According to the utility model discloses electric core module's shell is equipped with the same additional strengthening on two liang of relative faces, and the strong shock resistance that has improved under the various applied scenes has increased structural strength to simple structure, low cost.

Description

Shell and electric core module of electric core module

Technical Field

The utility model relates to a battery technology field relates to a shell and telecommunications module of electricity core module especially.

Background

In the modern society, along with the continuous improvement of living standard of people, the demand on automobiles is more and more, and simultaneously, the energy problem is continuously deepened, and petroleum products are gradually in short supply, and the pollution to the environment is also continuously deepened. How to effectively manufacture a new energy automobile for replacing the traditional automobile becomes the development target of all automobile enterprises at present. Moreover, the country is strongly supporting the new energy automobile industry for this purpose. The new energy automobile can be divided into a pure electric automobile and a hybrid electric automobile, but no matter which one is used, a power battery cannot be used for supplying power to the new energy automobile. Due to the characteristics of the power battery, the safety and reliability of the power battery need to be ensured in the using process, and the influence on the service life caused by deformation caused by extrusion under various application scenes, such as vehicle bumping, sharp turning, acceleration and deceleration, braking, lane changing and the like, is avoided.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide a shell of electricity core module can deal with under the various scenes of using the extrusion that electric core received, rock forcefully, has that structural strength is big, simple structure, low cost's advantage.

According to the utility model discloses shell of electric core module, including two first boards, two second boards, two third boards, two relative about the first board, two relative about the second board, two relative around the third board first board, two second board and two the third board surrounds into the cuboid shape, first board is the flat board, be equipped with a plurality of outside bellied bosss on the second board, be equipped with a plurality of inside sunken concave parts on the third board.

According to the utility model discloses electric core module's shell is equipped with the same additional strengthening on two liang of relative faces, and the strong shock resistance that has improved under the various applied scenes has increased structural strength to simple structure, low cost.

Additionally, according to the utility model discloses electric core module's shell still has additional technical characterstic once:

in some embodiments, the bosses include a top plate, a first side plate, and a second side plate, the first side plate and the second side plate are connected to both sides of the top plate in the width direction, and the first side plate and the second side plate are configured in a structure that flares in a direction toward the inner space of the housing, wherein, in a projection in the left-right direction, the width of each of the first side plate and the second side plate is in a range of 1.5 mm to 2.5 mm, the width of the top plate is in a range of 11 mm to 12 mm, the length of each of the bosses is in a range of 54.5 mm to 55.5 mm, the thickness of each boss protrusion is in a range of 2.5 mm to 3.5 mm, and a distance between adjacent bosses is in a range of 9.4 mm to 10 mm.

In some embodiments, the recesses include a bottom plate and a surrounding plate, the surrounding plate is connected with the periphery of the bottom plate and is opened in a direction away from the inner space of the shell, wherein in the projection along the front-back direction, the width dimension of the bottom plate is in a range of 13.5 mm to 14.5 mm, the width dimension of the recesses is in a range of 17.5 mm to 18.5 mm, the depth of the recesses is in a range of 3.2 mm to 4 mm, and the distance between the adjacent recesses is in a range of 6.7 mm to 7.3 mm.

In some embodiments, the plurality of bosses on the second plate portion are arranged at intervals in the front-rear direction, and the bosses extend in the up-down direction; the plurality of concave parts on the third plate part are arranged at intervals along the vertical direction, and the concave parts extend along the left-right direction.

In some embodiments, the plurality of bosses on the second plate portion are arranged at equal intervals, have the same length, and have the same protruding height; the plurality of concave parts on the third plate part are arranged at equal intervals, have the same length and have the same concave depth.

In some embodiments, the upper portion of the second plate portion is provided with an upper rib, the lower portion of the second plate portion is provided with a lower rib, the upper rib and the lower rib extend in the front-rear direction, and the boss on the second plate portion is arranged between the upper rib and the lower rib.

In some embodiments, the left and right sides of the first plate portion are provided with first flanges, and the first flanges are lapped on the outer sides of the portions of the second plate portion, which are located on the upper side of the upper rib and the lower side of the lower rib.

In some embodiments, the left side and the right side of the third plate portion are provided with second flanges extending inwards, the second flanges are provided with first lap joints, and the first lap joints are lapped on the outer side of the second plate portion.

In some embodiments, the upper side and the lower side of the third plate portion are provided with third flanges extending inwards, the outer surface of each third flange is provided with a recessed structure, the front edge and the rear edge of the first plate portion are provided with second lap joints, and the second lap joints are lapped in the recessed structures.

Additionally, another object of the present invention is to provide an electric core module, include: the battery cell module comprises a shell, a battery cell and an end plate, wherein the shell is the shell of the battery cell module; the battery cell is arranged in the shell; the end plate is arranged on the front section and the rear section of the battery cell, and the front section and the rear section of the second plate part are connected with the end plate in a buckling mode.

According to the utility model discloses an electric core module, owing to the shell including aforementioned electric core module, then, electric core module possesses the withstand voltage advantage of resistance to deformation of shock.

The advantages of the additional technical features of the housing of a cell module according to an object of the present invention will be discussed in detail in the detailed description.

Drawings

Fig. 1 is a schematic diagram of a housing of a battery cell module according to an embodiment of the present invention.

Fig. 2 is a rear view of fig. 1.

Fig. 3 is a right side view of fig. 1.

Fig. 4 is an enlarged view of the area a of fig. 3.

Fig. 5 is an exploded view of fig. 1.

Fig. 6 is another exploded view of fig. 1.

Reference numerals:

the cell module 100 is provided with a plurality of cell modules,

the outer casing 10 of the cell module, the cell 20, the end plate 30,

the first plate part 1, the second plate part 2, the third plate part 3, the boss 21, the concave part 31, the top plate 211, the first side plate 212, the second side plate 213, the bottom plate 311, the enclosing plate 312, the upper rib 22, the lower rib 23, the first flange 11, the second flange 32, the first overlapping part 321, the third flange 33, the second overlapping part 12 and the concave structure 331.

The projection width W1 of the first side plate and the second side plate along the left-right direction, the width W2 of the top plate, the length Ll of the boss, the thickness T1 of the boss, the distance D1 between adjacent bosses, the width W3 of the bottom plate, the width W4 of the concave part, the depth T2 of the concave part and the distance D2 between adjacent concave parts.

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 "central," "longitudinal," "lateral," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The utility model discloses at first, a shell 10 of electricity core module is proposed.

The following describes the housing 10 of the battery cell module according to an embodiment of the present invention in detail with reference to the drawings.

Combine fig. 1, fig. 5 and fig. 6, according to the utility model discloses shell 10 of electricity core module, including two first board portions 1, two second board portions 2, two third board portions 3, two first board portions 1 are relative from top to bottom, two second board portions 2 are relative about, two third board portions 3 are relative from front to back, two first board portions 1, two second board portions 2 and two third board portions 3 surround into the cuboid shape, first board portion 1 is the flat board, be equipped with a plurality of outside bellied bosss 21 on the second board portion 2, be equipped with a plurality of inside sunken concave part 31 on the third board portion 3. For convenience of description and understanding of the present invention, it should be noted that the references herein to up-down, left-right, and front-back are to be taken in conjunction with the up-down, left-right, and front-back directions in fig. 1.

Wherein the battery pack is normally installed under the chassis of the automobile, and the vertical direction employs a hard link device, and two first plate portions 1 opposed to each other in the vertical direction of the housing 10 are provided as flat plates in consideration of the assembling condition. The bosses and the concave parts are respectively arranged on the two second plate parts 2 and the two third plate parts 3 which are opposite left and right and front and back, so that the stress of the shell in the left and right directions and the front and back directions caused by the conditions of acceleration and deceleration, braking, lane change and the like of an automobile can be powerfully resisted, the structural deformation is prevented, and the service life of the battery pack is prolonged. Moreover, under the same stress condition, in order to prevent the structural deformation, under the condition that the structural strength is equivalent, the second plate portion 2 and the third plate portion 3 which are provided with the boss and the concave portion structure are necessarily thinner than the flat plate which is not provided with the boss and the concave portion, so that the shell 10 of the battery cell module further has the advantages of saving materials and reducing the cost.

In order to increase the mechanical strength of the enclosure 10, referring to fig. 3 and 4, the boss 21 on the second plate portion 2 includes a top plate 211, a first side plate 212, and a second side plate 213, the first side plate 212 and the second side plate 213 are connected to both sides of the top plate 211 in the width direction, and the first side plate 212 and the second side plate 213 are configured in a structure that flares in a direction toward the internal space of the enclosure 10.

As shown in fig. 3 and 4, in a projection in the left-right direction, the width W1 of each of the first side plate 212 and the second side plate 213 is in a range of 1.5 mm to 2.5 mm, the width W2 of the top plate 211 is in a range of 11 mm to 12 mm, the length L1 of the boss 21 is in a range of 54.5 mm to 55.5 mm, the thickness T1 of the projection of the boss 21 is in a range of 2.5 mm to 3.5 mm, and the distance D1 between adjacent bosses 21 is in a range of 9.4 mm to 10 mm.

Alternatively, there may also be a range regarding the size of the boss 21 on the second plate portion 2, such as 2.5 mm W1 3 mm, 12.5 mm W2 13 mm, 56 mm L1 56.5 mm, 2 mm T1 2.5 mm, 9 mm D1 9.3 mm, and in summary, the boss 21 is provided in a form that the top area is smaller than the bottom area, that is, the first side plate 212 and the second side plate 213 are configured in a structure that opens in the direction toward the inner space of the housing 10, and the structural strength of the second plate portion 2 can be better increased to resist the pressing force from the left-right direction to prevent deformation.

Alternatively, with reference to fig. 1, fig. 3, fig. 5, and fig. 6, multiple tests show that, by providing 11 bosses 21 on two second plate portions 2 opposite to each other on the left and right of the housing 10, it can be effectively ensured that the housing 10 is not deformed by the pressing force from the left and right directions caused by frequent lane change during driving, and the mechanical strength of the second plate portions 2 can be greatly increased. Of course, in other embodiments, the number of the bosses 21 on the second plate portion 2 may be less than 11 or more than 11, and may be determined according to the length dimension of the second plate portion 2 and the size range of the bosses 21, as long as it has a significant effect of increasing the structural strength of the second plate portion 2 and can resist deformation.

Referring to fig. 2, the recess 31 includes a bottom plate 311 and a surrounding plate 312, and the surrounding plate 312 connects the periphery of the bottom plate 311 and is opened in a direction away from the inner space of the housing 10, in other words, the opening area of the recess 31 in the front-rear direction is larger than the bottom area, that is, the recess 31 is flared in a direction away from the inner space of the housing 10, which contributes to increasing the structural strength of the third plate portion and prevents the housing 10 from being deformed in the front-rear direction in response to the pressing force from the front-rear direction.

Wherein, in a projection along the front-back direction, the width W3 of the bottom plate 311 is in a range of 13.5 mm to 14.5 mm in size, the width W4 of the recess 31 is in a range of 17.5 mm to 18.5 mm in size, the depth T2 of the recess 31 is in a range of 3.2 mm to 4 mm, and the distance D2 between adjacent recesses 31 is in a range of 6.7 mm to 7.3 mm, in combination with fig. 2.

In addition, in other embodiments, there may also be a range, in the projection in the front-rear direction, with respect to the size of the recesses 31 of the third plate portion 3, of 15 mm ≦ W3 ≦ 16 mm, 19 mm ≦ W4 ≦ 20 mm, 4.2 mm ≦ T2 ≦ 5 mm, 7.6 mm ≦ D2 ≦ 8.2 mm, the size of the recesses 31 being related to the reinforced structural strength, but the size of the recesses 31 may also be flexibly changed, for example, as long as the structural strength can achieve the effect of resisting deformation, W3 ≦ 13 mm, or W3>16 mm, W4 ≦ 17 mm, or W3>21 mm, T2 ≦ 3 mm, or T2>5.5 mm, D2 ≦ 6.5 mm, or D2>8.2 mm.

Optionally, 3 recesses 31 are arranged on the third plate portion 3, and the recesses 31 are configured to resist a pressing force from the front-rear direction encountered by the housing 10 of the cell module during driving, and of course, the number of the recesses 31 is determined according to the size of the third plate portion 3 and the size of the recesses 31.

In summary, in some embodiments, the arrangement of the boss 21 and the recess 31, including the size, number, spacing, etc. of the two should take into consideration the expansion coefficient, the assembly tolerance, the manufacturing tolerance, etc., and the arrangement includes various forms, which are not listed here.

Referring to fig. 1 to 6, the plurality of bosses 21 on the second plate portion 2 are arranged at intervals in the front-rear direction, and the bosses 21 extend in the up-down direction, and the plurality of recesses 31 on the third plate portion 3 are arranged at intervals in the up-down direction, and the recesses 31 extend in the left-right direction.

Alternatively, in combination with the directions shown in fig. 1, the plurality of bosses 21 on the second plate portion 2 may be provided at intervals in the up-down direction, the bosses 21 extend in the front-rear direction, the plurality of recesses 31 on the third plate portion 3 may be provided at intervals in the left-right direction, and the recesses 31 extend in the up-down direction.

Alternatively, to facilitate manufacturing and mold processing, the plurality of bosses 21 on the second plate portion 2 are arranged at equal intervals, have the same length and have the same protruding height, and the plurality of recesses 31 on the third plate portion 3 are arranged at equal intervals, have the same length and have the same recessed depth.

Of course, alternatively, the plurality of bosses 21 on the second plate portion 2 may differ in length, pitch, and protrusion height, and the plurality of recesses 31 on the third plate portion 3 may differ in length, pitch, and recess depth.

For ease of assembly, the housing 10 is provided in a split configuration, with the two first plate portions 1, the two second plate portions 2 and the two third plate portions 3 being detachably connected.

With reference to fig. 5 and 6, the upper portion of the second plate portion 2 is provided with an upper rib 22, the lower portion is provided with a lower rib 23, the upper rib 22 and the lower rib 23 extend in the front-rear direction, and the boss 21 on the second plate portion 2 is provided between the upper rib 22 and the lower rib 23.

The first flanges 11 are provided on both left and right sides of the first panel 1, and the first flanges 11 are overlapped with the second panel 2 at the outer sides of the upper side of the upper rib 22 and the lower side of the lower rib 23.

Referring to fig. 1, 3 and 6, the third plate portion 3 is provided at left and right sides thereof with second flanges 32 extending inward, the second flanges 32 are provided with first overlapping portions 321, and the first overlapping portions 321 overlap the outer sides of the second plate portion 2. Note that, according to the left-right direction shown in fig. 1, the second flanges 32 are provided on both left and right sides of the third plate portion 3, and in the case of the housing 10, the two third plate portions 3 are disposed opposite to each other in the front-rear direction, and the first overlapping portions 321 on the second flanges 32 extend toward the inside of the housing 10 and overlap the outside of the second plate portion 2.

Referring to fig. 1 and 6, the third plate portion 3 is provided at upper and lower sides thereof with third flanges 33 extending inward, the third flanges being provided at outer surfaces thereof with a recess 331, the first plate portion 1 being provided at front and rear edges thereof with second overlapping portions 12, the second overlapping portions 12 overlapping the recess 331.

Additionally, according to the utility model discloses shell 10 of electric core module can also be integral type structure or the split type structure of joint or screw connection, in a word, according to the utility model discloses shell 10 of electric core module has that structural strength is big, and resistance to deformation, easily production and processing, low cost's advantage, the effectual stability and the security that has increased electric core module product.

The utility model discloses secondly provides an electricity core module 100.

With reference to fig. 5 and fig. 6, the battery cell module 100 according to the embodiment of the present invention includes: shell, electric core 20 and end plate 30, the shell is the shell 10 of aforementioned electric core module, and in electric core 20 located shell 10, two sections around electric core 20 were located to end plate 30, and two sections and end plate 30 buckle connections around second board 2.

Combine fig. 5 to show, the middle section of both sides is provided with the through-hole (not shown in the figure) around the second board 2, and end plate 30 sets up in the inboard of third board 3, and end plate 30 stretches out along the middle section on left and right sides has buckle (not shown in the figure), buckle joint second board 2 the through-hole border to realize the fixed connection of second board and end plate 30.

According to the utility model discloses electric core module 100 is owing to possessed aforementioned electric core module's shell 10, then has all advantages of aforementioned electric core module's shell 10, for example structural strength is big, the resistance to deformation, resistant extrusion etc..

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; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 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 and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

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 (10)

1. The shell of the battery cell module is characterized in that the shell comprises two first plate parts, two second plate parts and two third plate parts, the two first plate parts are opposite from top to bottom, the two second plate parts are opposite from left to right, the two third plate parts are opposite from front to back, the two first plate parts, the two second plate parts and the two third plate parts surround to form a cuboid shape, the first plate parts are flat plates, a plurality of outwards-protruding bosses are arranged on the second plate parts, and a plurality of inwards-protruding concave parts are arranged on the third plate parts.

2. The housing of a battery cell module according to claim 1, wherein the boss includes a top plate, a first side plate and a second side plate, the first side plate and the second side plate are connected to both sides of the top plate in the width direction, and the first side plate and the second side plate are configured in a structure that is opened in a direction toward the internal space of the housing,

wherein, in the projection along the left-right direction, the width of the first side plate and the width of the second side plate are both in the range of 1.5 mm to 2.5 mm, the width of the top plate is in the range of 11 mm to 12 mm, the length of the boss is in the range of 54.5 mm to 55.5 mm, the thickness of the boss protrusion is in the range of 2.5 mm to 3.5 mm, and the distance between the adjacent bosses is in the range of 9.4 mm to 10 mm.

3. The housing of a cell module of claim 1, wherein the recess comprises a bottom plate and a collar plate, the collar plate connecting a peripheral edge of the bottom plate and opening in a direction away from the interior space of the housing,

wherein, in the projection along the front-back direction, the width dimension of the bottom plate is in the range of 13.5 mm to 14.5 mm, the width dimension of the concave part is in the range of 17.5 mm to 18.5 mm, the depth of the concave part is in the range of 3.2 mm to 4 mm, and the distance between the adjacent concave parts is in the range of 6.7 mm to 7.3 mm.

4. The housing of a cell module according to any of claims 1 to 3,

the plurality of bosses on the second plate part are arranged at intervals along the front-back direction, and the bosses extend along the up-down direction;

the plurality of concave parts on the third plate part are arranged at intervals along the vertical direction, and the concave parts extend along the left-right direction.

5. The housing of a cell module according to any of claims 1 to 3,

the plurality of bosses on the second plate part are arranged at equal intervals, have the same length and have the same protruding height;

the plurality of concave parts on the third plate part are arranged at equal intervals, have the same length and have the same concave depth.

6. The casing of the battery cell module of any one of claims 1 to 3, wherein the upper portion of the second plate portion is provided with an upper rib, the lower portion of the second plate portion is provided with a lower rib, the upper rib and the lower rib extend in the front-rear direction, and the boss on the second plate portion is disposed between the upper rib and the lower rib.

7. The casing of the battery cell module of claim 6, wherein the first flanges are disposed on both left and right sides of the first plate portion, and the first flanges are lapped on the second plate portion at the outer sides of the upper side of the upper rib and the lower side of the lower rib.

8. The casing of the battery cell module of any one of claims 1 to 3, wherein the left side and the right side of the third plate portion are provided with second flanges extending inwards, the second flanges are provided with first lap joints, and the first lap joints are lapped outside the second plate portion.

9. The housing of a battery cell module according to claim 1, wherein third flanges extending inward are provided on upper and lower sides of the third plate portion, a recessed structure is provided on an outer surface of the third flanges, and second overlapping portions are provided on front and rear edges of the first plate portion, and the second overlapping portions overlap in the recessed structure.

10. The utility model provides a battery cell module which characterized in that includes:

a housing of the cell module of any of claims 1-9;

the battery cell is arranged in the shell;

the end plate is arranged on the front section and the rear section of the battery cell, and the front section and the rear section of the second plate part are connected with the end plate in a buckling mode.

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