CN209592147U - Battery modules - Google Patents

Abstract

The utility model provides a kind of battery modules comprising battery row and spacing board.Battery row includes the multiple batteries arranged along its length；Spacing board includes body part and multiple spacer portions, the lower surface of body part is pressed against on battery row, multiple spacer portions are arranged and are spaced each other along its length, and each spacer portion is extended downwardly by the lower surface of body part along short transverse, and two neighboring spacer portion clamps corresponding battery.Spacing board positions the battery in battery row from both direction (length direction and width direction), when battery modules are when the situations such as being jolted, being vibrated, spacing board can effectively position battery, it avoids battery location that the changing of the relative positions occurs and battery modules is caused the abnormal problem of electrical connection occur, improve the stability of battery modules and the reliability of fixation.

Description

Battery modules

Technical field

The utility model relates to field of batteries more particularly to a kind of battery modules.

Background technique

In electric automobile during traveling, various operating conditions can be encountered, for example jolts, bring to a halt, in this case, if battery Multiple batteries in mould group can not be fixed, then the mutual changing of the relative positions of battery will lead to the electrical connection in mould group and occur connecting exception, Mould group even battery pack is caused power blackout situation occur, therefore fixation of the battery in mould group becomes particularly important.Current battery mould The fixation of battery is realized by cushion or structure glue in group, and this fixed form is not easy to assemble, and is fixed reliable Property is poor, while cost can also accordingly increase.

Utility model content

It in view of the problems in the background art, can the purpose of this utility model is to provide a kind of battery modules The reliability fixed to battery is improved, and easy to assembly.

To achieve the goals above, the utility model provides a kind of battery modules comprising battery row and spacing board. Battery row includes the multiple batteries arranged along its length；Spacing board includes body part and multiple spacer portions, under body part Surface be pressed against battery row on, multiple spacer portions are arranged and are spaced each other along its length, each spacer portion by body part following table Face is extended downwardly along short transverse, and two neighboring spacer portion clamps corresponding battery.

In one embodiment, each spacer portion includes first segment and second segment, and first segment is connected to body part and by body part It is extended downwardly along short transverse, second segment is tapered downwards by first segment；The first segment of two neighboring spacer portion clamps corresponding electricity Pond.

In one embodiment, cross-sectional shape of the first segment in the plane of short transverse is rectangle, and second segment is in height Cross-sectional shape in the plane in direction is up-side down triangle or two waists are the inverted trapezoidal of bevel edge.

In one embodiment, each spacer portion extends along the entire width direction of body part.

In one embodiment, each battery includes shell and top cover, and shell has opening, and top cover is embedded in shell along short transverse In and close the opening of shell；First segment extends beyond the bottom end of top cover along short transverse, and the first segment of adjacent spaces plate is along long Degree direction clamps the shell of corresponding battery.

In one embodiment, each battery includes shell and top cover, and shell has opening, and top cover is fixed on shell along short transverse A part of body and the opening for closing shell, the short transverse of top cover is embedded in shell, and another part exposes shell, and expose Partial periphery is flushed with the periphery of shell；First segment extends beyond the bottom end of top cover along short transverse, and the of adjacent spaces plate One section along its length clamp respective battery shell and top cover.

In one embodiment, the lower surface of the body part of spacing board is pressed against the upper surface of the top cover of each battery.

In one embodiment, each battery further includes electrode terminal, and electrode terminal protrudes from the upper table of top cover along short transverse Face；Spacing board further includes multiple through-holes, and each through-hole penetrates through body part, and the corresponding electrode terminal of each through-hole along short transverse, Each electrode terminal passes through corresponding through-hole.

In one embodiment, battery modules further include cabinet, and cabinet includes two the first side walls and two second sidewalls, and two A the first side wall is opposite along its length, and two second sidewalls are opposite in the width direction, and battery row is contained in cabinet；Each first Outermost corresponding battery in side wall and adjacent spacer portion clamping battery row.

In one embodiment, spacing board is through being made of insulating material.

The beneficial effects of the utility model are as follows:

In battery modules according to the present utility model, spacing board is from both direction (length direction and width direction) to electricity Battery in the row of pond is positioned, and when battery modules are when the situations such as being jolted, being vibrated, spacing board can be effectively to battery It is positioned, avoids battery location that the changing of the relative positions occurs and battery modules is caused the abnormal problem of electrical connection occur, improve battery mould The stability of group and the reliability of fixation；In addition, the setting of spacing board so that battery modules are easy to assembly, improves battery mould The packaging efficiency of group.

Detailed description of the invention

Fig. 1 is the assembling figure of battery modules according to the present utility model, wherein in order to show that the component of box house omits Upper cover.

Fig. 2 is the perspective view of the part composition component of Fig. 1.

Fig. 3 is the enlarged drawing of the encircled portion of Fig. 2.

Fig. 4 is the perspective view of the spacing board in Fig. 1 looked up.

Fig. 5 is the perspective view of an embodiment of the battery in Fig. 1.

Fig. 6 is the perspective view of another embodiment of the battery in Fig. 1.

Wherein, the reference numerals are as follows:

1 battery arranges 222 second segments

11 battery, 23 through-hole

111 shell, 3 cabinet

112 top cover, 31 the first side wall

113 electrode terminal, 32 second sidewall

2 spacing board L length directions

21 body part H short transverses

22 spacer portion W width directions

221 first segments

Specific embodiment

Attached drawing shows the embodiments of the present invention, and will be appreciated that the disclosed embodiments are only that this is practical new The example of type, the utility model can be implemented in a variety of manners, and therefore, detail disclosed herein, which should not be construed, to be limited System, but only as the basis of claim and as the basis of representative for instructing those of ordinary skill in the art with various Mode implements the utility model.

In addition, length direction, width direction and short transverse etc. are used to illustrate the battery modules of the present embodiment The statement in the instruction direction of the operation and construction of each component is not absolute but opposite, and although works as each structure of battery modules These instructions are appropriate when part is in position shown in figure, but when these position changes, these directions should be different Explanation, with the correspondence change.

As depicted in figs. 1 and 2, the battery modules of the utility model include battery row 1 and spacing board 2.Battery modules are also It may include cabinet 3 and upper cover (not shown).

Battery row 1 includes multiple batteries 11 of L arrangement along its length, and the quantity of battery row 1 can be one, can also be with To be multiple (multiple to refer to two or more), when the quantity of battery row 1 is multiple, multiple battery rows 1 can be along width side It is arranged side by side to W.

Referring to figure 5 and figure 6, each battery 11 includes electrode assembly, shell 111, top cover 112 and opposite polarity electrode tip Son 113.

Electrode assembly (not shown) includes anode pole piece, cathode pole piece and diaphragm, and diaphragm is set to anode pole piece and cathode Between pole piece, electrode assembly can be formed using winding method or lamination process.

Shell 111 can have hexahedral shape or other shapes.Accommodating chamber is formed inside shell 111, with accommodate electrod group Part and electrolyte.Shell 111 forms opening at one end, and electrode assembly can be placed into the receiving of shell 111 via described be open Chamber.Shell 111 is made of insulating materials such as plastic cement, is certainly not limited to this, and shell 111 can also be by conductive metals such as aluminum or aluminum alloy Material is made.

Top cover 112 is made of insulating materials such as plastic cement or top cover 112 can also be by conductive metallic materials such as aluminum or aluminum alloy It is made.Top cover 112 is fixed on shell 111 and closes the opening of shell 111, so that electrode assembly is enclosed in shell 111.Top The upper surface of lid 112 is plane.There are many structure types for top cover 112, in the first embodiment, as shown in figure 5, top cover 112 Outer peripheral surface is flushed along height direction H, and top cover 112 is embedded in along shell 111 along height direction H and the outer peripheral surface and shell of top cover 112 111 inner peripheral surface palette.In a second embodiment, as shown in fig. 6, the outer peripheral surface of top cover 112 is stepped-style, that is, top In a part insertion shell 111 of the height direction H of lid 112, it is embedded in the outer peripheral surface and shell 111 of the part in shell 111 Inner peripheral surface fitting；Another part of the height direction H of top cover 112 exposes shell 111, and the periphery and shell of the part exposed 111 periphery flushes.Certainly, top cover 112 may no longer be described in detail herein there are also other structure types.

Electrode terminal 113 is fixed on the two sides of the width direction W of top cover 112 and protrudes from top cover 112 along height direction H Upper surface.The battery terminal 113 of multiple batteries 11 is connected to one via electric connecting sheet (not shown) series, parallel or in series and parallel It rises, to realize the charge and discharge of battery modules.

As shown in Figures 1 to 4, spacing board 2 is through being made of insulating material.Spacing board 2 can be via integrated injection molding.It is preferred that Ground, the width of spacing board 2 are substantially equal to the width of battery row 1, the length for being approximately equal to the length to battery row 1 of spacing board 2.Interval Plate 2 includes body part 21, multiple spacer portions 22 and multiple through-holes 23.

The lower surface of body part 21 is pressed against on battery row 1, and specifically, the lower surface of the body part 21 of spacing board 2 compresses In the upper surface of the top cover 112 of each battery 11.

L is arranged and is spaced each other multiple spacer portions 22 along its length, each spacer portion 22 by body part 21 lower surface edge Height direction H extends downwardly, and two neighboring spacer portion 22 clamps corresponding battery 11.It should be noted that two neighboring interval The quantity that portion 22 clamps battery 11 is unrestricted, and two neighboring spacer portion 22 can clamp a battery 11, can also clamp two A or more than two batteries 11, in order to which each adjacent two battery 11 to be spaced apart, to be provided in use for each battery 11 Expansion space, it is preferable that two neighboring spacer portion 22 clamps a battery 11.

In battery modules according to the present utility model, the lower surface of body part 21 is pressed against on battery row 1, from height side Multiple batteries 11 are positioned to H, the two neighboring spacer portion 22 of spacing board 2 clamps corresponding battery 11, from length side Multiple batteries 11 are positioned to L, battery is arranged from both direction (length direction L and width direction W) by spacing board 2 Battery 11 in 1 is positioned, it is therefore prevented that when the situations such as being jolted, being vibrated position occurs for battery in battery modules row 1 The changing of the relative positions, and then avoid the electrical connection between multiple batteries 11 in battery modules occur it is abnormal, compared to known skill Using for the positioning method of cushion or bonded adhesives in art, the stability of battery modules and the reliability of fixation are improved； In addition, the battery modules assembled using spacing board 2 are assembled required when compared to using the assembling of the locating pieces such as cushion Components are few, easy to assembly, improve the packaging efficiency of battery modules.

Each spacer portion 22 extends along the entire width direction W of body part 21.In one embodiment, each spacer portion 22 includes the One section 221 and second segment 222, first segment 221 are connected to body part 21 and are extended downwardly by body part 21 along height direction H, the Two section 222 tapered downwards by first segment 221；The first segment 221 of two neighboring spacer portion 22 clamps corresponding battery 11.Specifically Ground, when the top cover 112 of battery 11 is arranged to form as shown in Figure 5, the first segment 221 of adjacent spaces plate 2 L along its length Clamp the shell 111 of corresponding battery 11.Certainly, it if top cover 112 is arranged to form as shown in FIG. 6, is inserted into adjacent The periphery and shell 111 of the first segment 221 of spacing board 2 between battery 11 exposed portion of L and top cover 112 along its length Fitting, that is, the shell 111 and top cover 112 of the first segment 221 of adjacent spaces plate 2 respective battery 11 of L clamping along its length.The It is arranged to form tapered downwards for two section 222, each spacer portion 22 is smoothly inserted between two adjacent batteries 11, Corresponding battery 11 can be separated into corresponding position simultaneously, convenient for the assembling of spacing board 2, and improve the group of battery modules Fill efficiency.Cross-sectional shape of the first segment 221 in the plane of height direction H is rectangle, and second segment 222 is in height direction H Cross-sectional shape in plane is up-side down triangle or two waists are the inverted trapezoidal of bevel edge.In one embodiment, second segment 222 is in height The cross-sectional shape spent in the plane of direction H is that isosceles triangle or isosceles trapezoid, second segment 222 are arranged to the shape of isosceles Production easy to process, has saved production cost.Certainly, the cross-sectional shape of second segment 222 may be alternatively provided as not isosceles triangle Or it is trapezoidal, as long as enabling to spacer portion 22 that can be smoothly inserted between adjacent battery 11.In general, described above The shell 111 and top cover 112 of each battery 11 are made via plastic material, and top cover 112 is not easy to deform for solid construction, and shell The wall of body 111 is than relatively thin, when each spacer portion 22 is inserted between adjacent battery 11, spacer portion 2 along its length L with battery The position of 11 contacts generates extruding force to battery 11, and due to the interaction of power, top cover 112 also can be via the thin-walled of shell 111 Reaction force is generated to spacer portion 22, the bottom edge of top cover 112 squeezes shell 111 and deforms in order to prevent, it is preferable that first segment 221 extend beyond the bottom end of top cover 112 along height direction H, to guarantee that the outer peripheral surface of top cover 112 can be via shell 111 Thin-walled is resisted against completely on first segment 221, and in this case, the reaction force that the bottom edge of top cover 112 generates also can be via The thin-walled indirectly-acting of shell 111 is on first segment 221, so that the position corresponding with the bottom edge of top cover 112 of shell 111 Set is not in deformation, the shell 111 for the battery 11 being effectively protected.It should be noted that each spacer portion 22 be inserted into it is adjacent After battery 11, region of the adjacent battery 11 below spacer portion 22 is spaced apart by corresponding spacer portion 22, this to be designed as electricity Pond 11 provides expansion space in use, and then reduces the deformation of battery modules totality.

Each through-hole 23 of spacing board 2 penetrates through body part 21, and the corresponding electrode terminal of each through-hole 23 along height direction H 113, each electrode terminal 113 passes through corresponding through-hole 23, so that spacing board 2 can avoid the electrode terminal of multiple batteries 11 113, to not influence the operations such as the subsequent electrical connection of battery modules.

It should be noted that as shown in Figure 1, battery described above row 1 and spacing board 2 may be mounted in cabinet 3, case Body 3 includes two the first side walls 31 and two second sidewalls 32, and L is opposite along its length for two the first side walls 31, and two second W is opposite in the width direction for side wall 32, and battery row 1 is contained in cabinet 3, it is contemplated that and cabinet 3 can also play the role of positioning, because This as shown in figure 4, the length direction L of the body part 21 of spacing board 2 both ends and not set spacer portion 22, that is, spacing board 2 it is more L is spaced apart and arranged in the central region of body part 21 to a spacer portion 22 along its length, in this case, the position of battery row 1 Battery 11 in intermediate region is clamped by corresponding spacer portion 22, and the corresponding battery 11 positioned at outermost two sides of battery row 1 It is clamped by the first side wall 31 and an adjacent spacer portion 22, so that all batteries 11 in battery row 1 have obtained effectively determining Position.After completing the work such as the assembly inside cabinet 3, upper edge of the upper cover (not shown) sealable lid together in cabinet 3.Certainly, Battery row 1 and spacing board 2 can also be fixed by modes such as bands, however it is not limited to it is assemblied in cabinet 3, accordingly, The arrangement form of multiple spacer portions 22 of spacing board 2 can also correspond to change, that is, multiple spacer portions 22 can be with L along its length Compartment of terrain is arranged in the whole region of body part 21, and specific structure type is designed according to the usage requirement, herein no longer It is described in detail.

Detailed description describes multiple exemplary embodiments above, but is not intended to be limited to clearly disclosed combination herein. Therefore, unless otherwise indicated, various features disclosed herein can be combined and be formed and not shown for clarity and Multiple other combinations out.

Claims (10)

1. a kind of battery modules, which is characterized in that including battery row (1) and spacing board (2)；

Battery arranges multiple batteries (11) that (1) includes (L) arrangement along its length；

Spacing board (2) includes body part (21) and multiple spacer portions (22), and the lower surface of body part (21) is pressed against battery row (1) on, multiple spacer portions (22) arrange and are spaced each other along its length (L), and each spacer portion (22) is by under body part (21) Surface is extended downwardly along short transverse (H), and two neighboring spacer portion (22) clamps corresponding battery (11).

2. battery modules according to claim 1, which is characterized in that

Each spacer portion (22) includes first segment (221) and second segment (222), first segment (221) be connected to body part (21) and by Body part (21) is extended downwardly along short transverse (H), and second segment (222) is tapered downwards by first segment (221)；

The first segment (221) of two neighboring spacer portion (22) clamps corresponding battery (11).

3. battery modules according to claim 2, which is characterized in that first segment (221) is in the plane of short transverse (H) Cross-sectional shape be rectangle, cross-sectional shape of the second segment (222) in the plane of short transverse (H) be up-side down triangle or two Waist is the inverted trapezoidal of bevel edge.

4. battery modules according to claim 1, which is characterized in that entire width of each spacer portion (22) along body part (21) Direction (W) is spent to extend.

5. battery modules according to claim 3, which is characterized in that

Each battery (11) includes shell (111) and top cover (112), and shell (111) has opening, and top cover (112) is along short transverse (H) it is embedded in shell (111) and closes the opening of shell (111)；

First segment (221) extends beyond the bottom end of top cover (112), the first segment of adjacent spaces plate (2) along short transverse (H) (221) (L) clamps the shell (111) of corresponding battery (11) along its length.

6. battery modules according to claim 3, which is characterized in that

Each battery (11) includes shell (111) and top cover (112), and shell (111) has opening, and top cover (112) is along short transverse (H) it is fixed on shell (111) and closes the opening of shell (111), a part insertion shell of the short transverse (H) of top cover (112) In body (111), another part exposes shell (111), and the periphery for the part exposed is flushed with the periphery of shell (111)；

First segment (221) extends beyond the bottom end of top cover (112), the first segment of adjacent spaces plate (2) along short transverse (H) (221) along its length (L) clamp respective battery (11) shell (111) and top cover (112).

7. battery modules according to claim 5 or 6, which is characterized in that

The lower surface of the body part (21) of spacing board (2) is pressed against the upper surface of the top cover (112) of each battery (11).

8. battery modules according to claim 5 or 6, which is characterized in that

Each battery (11) further includes electrode terminal (113), and electrode terminal (113) protrudes from top cover (112) along short transverse (H) Upper surface；

Spacing board (2) further includes multiple through-holes (23), and each through-hole (23) penetrates through body part (21) along short transverse (H), and each logical Hole (23) corresponds to an electrode terminal (113), and each electrode terminal (113) passes through corresponding through-hole (23).

9. battery modules according to claim 1, which is characterized in that

Battery modules further include cabinet (3), and cabinet (3) includes two the first side walls (31) and two second sidewalls (32), and two The first side wall (31) along its length (L) relatively, two second sidewalls (32) in the width direction (W) relatively, battery arrange (1) receiving In cabinet (3)；

Outermost corresponding battery in each the first side wall (31) and an adjacent spacer portion (22) clamping battery row (1) (11)。

10. battery modules according to claim 1, which is characterized in that

Spacing board (2) is through being made of insulating material.