CN207441810U - Battery modules and battery pack - Google Patents
Battery modules and battery pack Download PDFInfo
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- CN207441810U CN207441810U CN201721527028.6U CN201721527028U CN207441810U CN 207441810 U CN207441810 U CN 207441810U CN 201721527028 U CN201721527028 U CN 201721527028U CN 207441810 U CN207441810 U CN 207441810U
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- wall
- battery modules
- battery
- lower housing
- upper shell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides a kind of battery modules and battery pack.Battery modules include：Upper shell has upper perimeter wall and the upper accommodating cavity surrounded by upper perimeter wall；There is lower housing lower peripheral wall and the lower accommodating cavity surrounded by lower peripheral wall, lower housing to be docked with upper shell and form the accommodating space being made of upper accommodating cavity and lower accommodating cavity.Battery pack includes：Supporting rack has supporting walls, flow path is equipped in supporting walls；And at least one above-mentioned battery modules, the upper shell and lower housing of each battery modules are fixed on supporting walls and are contacted with supporting walls.When the battery modules of the utility model are assembled into battery pack, the overall weight and volume of battery pack are reduced, improves the energy density and production efficiency of battery pack.
Description
Technical field
The utility model is related to field of batteries more particularly to a kind of battery modules and battery pack.
Background technology
Secondary cell has various forms.According to types of housings, secondary cell can be divided into bag type secondary battery and pot
Secondary cell.The shell of bag type secondary battery is made of the laminate for including polymeric layer and metal layer.Can type secondary battery
Shell is usually made of metal-back and metal roof cover plate.
At present using in the package assembly design of the battery modules of bag type secondary battery, collect in generally use plastic cement widgets
Into heat-conducting plate to form fixed frame, then fixed frame is used to fix bag type secondary battery to form battery unit, finally multiple
The periphery of battery unit assembles upper cover, front and rear end plate and U-shaped metal outer frame in a welding manner, so as to fulfill battery modules
Assembling, battery pack (PACK) need to redesign the assembling structure of respective battery module, but this realization method has the following problems：
Battery modules are assembled using upper cover, front and rear end plate and U-shaped metal outer frame, battery modules composition battery pack
(PACK) upper box is still needed to when and lower box is used for the fixation of battery modules, adds the weight of battery pack structure, battery modules
Gravimetric energy density is low；
The assembling process of battery modules needs to weld upper cover, front and rear end plate and U-shaped metal outer frame in process of production
It connects, and easily occurs failure welding in welding process, the intensity of battery modules is caused to substantially reduce；
Bag type secondary battery is attached on fixed frame and is radiated, heat conducting and radiating effect is carried out from lower part only by metallic plate
It is poor, and the temperature difference of bag type secondary battery each several part is larger；
Laser welding between U-shaped metal outer frame and upper cover and front and rear end plate is intended to the precision of material and the precision of frock
It asks higher, and professional equipment and technical staff is needed to be operated, cost greatly increases；
Each battery modules in battery pack need design specialized water cooling or air-cooled structure to be used for the heat dissipation of bag type secondary battery,
Radiator structure is complicated.
Utility model content
In view of problem present in background technology, the purpose of this utility model is to provide a kind of battery modules and batteries
Bag, when battery modules are assembled into battery pack, can save the design of the babinet of individual battery pack of the prior art, reduce
The overall weight and volume of battery pack improve the energy density of battery pack, and the radiator structure of battery pack is simple.
To achieve these goals, in a first aspect, the utility model provides a kind of battery modules, including upper casing
Body has upper perimeter wall and the upper accommodating cavity surrounded by upper perimeter wall；Lower housing has lower peripheral wall and is surrounded down by lower peripheral wall
Accommodating cavity, lower housing dock with upper shell and form the accommodating space being made of upper accommodating cavity and lower accommodating cavity.
To achieve these goals, in second aspect, the utility model provides a kind of battery pack, including：Supporting rack,
With supporting walls, flow path is equipped in supporting walls；And the battery modules described at least one the utility model first aspect, each electricity
The upper shell and lower housing of pond module are fixed on supporting walls and are contacted with supporting walls.
The beneficial effects of the utility model are as follows：
When the battery modules of the utility model are used for battery pack, the upper shell and lower housing of battery modules can be used directly
Make the babinet of battery pack, so as to eliminate the design of the babinet of individual battery pack of the prior art, reduce battery pack
Weight and volume improves the energy density of battery pack, and battery pack supporting rack is directly used in heat dissipation, and radiator structure is simple.
Description of the drawings
Fig. 1 is the stereogram of battery unit.
Fig. 2 is the exploded perspective view according to the battery modules of root utility model.
Fig. 3 is the top view of the upper shell in Fig. 2.
Fig. 4 is the assembling stereogram of Fig. 2.
Fig. 5 is the stereogram splitted along the b-b lines in Fig. 4.
Fig. 6 is the partial perspective view splitted along the a-a lines in Fig. 4.
Fig. 7 is upper shell and the stereogram splitted of lower housing assembling in Fig. 2.
Fig. 8 is the exploded perspective view of battery pack according to the present utility model.
Fig. 9 is the top view of the top half splitted of the supporting rack in Fig. 8.
Figure 10 is the assembling stereogram of Fig. 8.
Figure 11 is the stereogram splitted of Figure 10, wherein each battery modules only remain upper shell and lower housing.
Figure 12 is the stereogram of the amplification of the left side encircled portion in Figure 11.
Figure 13 is the stereogram of the amplification of the middle circle part in Figure 11.
Figure 14 is another stereogram splitted along the bolt of Figure 10.
Figure 15 is the enlarged drawing of the circle d in Figure 14.
Figure 16 is the enlarged drawing of the circle b in Figure 14.
Figure 17 is the enlarged drawing of the circle c in Figure 14.
Wherein, the reference numerals are as follows：
321 heat-conducting plate of U battery modules
1 upper shell, 3211 contact site
11 upper perimeter wall, 322 supporting block
111 roof, 3221 protrusion
112 upper side wall N locating slots
4 end plate of accommodating cavity on 12
13 upper flange, 5 side plate
131 upper Positioning holes, 51 upper inclined portion
132 rakes of upper liquid hole 52 times
P positions 53 recess of ridge
6 elastic buffering pad of S reinforcing ribs
F1 fluid passage F supporting racks
2 lower housing FW supporting walls
21 lower peripheral wall f2 flow paths
211 bottom wall FW1 left walls
212 lower wall FW2 right walls
22 times accommodating cavity FW3 antethecas
23 lower flange FW4 rear walls
231 lower Positioning holes FW5 midfeathers
232 lower liquid hole O head pieces
A accommodating space FS accommodation spaces
3 battery unit B bolts
31 secondary cell L length directions
311 main part W widths
312 lug H short transverses
32 fixed frames
Specific embodiment
Battery modules and battery pack according to the present utility model are described in detail referring now to attached drawing.
Illustrate the battery modules according to the utility model first aspect below.
Include with reference to Fig. 2 to Fig. 7, battery modules U according to the present utility model：Upper shell 1, have upper perimeter wall 11 and by
The upper accommodating cavity 12 that upper perimeter wall 11 surrounds；Lower housing 2 has lower peripheral wall 21 and the lower accommodating cavity 22 surrounded by lower peripheral wall 21,
Lower housing 2 docks with upper shell 1 and forms the accommodating space A being made of upper accommodating cavity 12 and lower accommodating cavity 22.
In the battery modules U according to the utility model first aspect, when battery modules U is used for battery pack, battery mould
The upper shell 1 and lower housing 2 of group U can be directly used as the babinet of battery pack, so as to eliminate individual electricity of the prior art
The design of the babinet of Chi Bao reduces the weight and volume of battery pack, improves the energy density of battery pack.
It is further included with reference to Fig. 2 to Fig. 6, battery modules U：Multiple battery units 3, in the width direction W be arranged side by side and accommodate
In in accommodating space A, each battery unit 3 has contact site 3211, the contact site 3211 and accommodating space A's of each battery unit 3
Inner surface contacts.Upper shell 1 and lower housing 2 can be passed to via contact site 3211 so as to the heat of each battery unit 3, is realized
The heat dissipation of battery modules U.
With reference to Fig. 2 to Fig. 7, in the inner surface of the inner surface of the upper perimeter wall 11 of upper shell 1 and the lower peripheral wall 21 of lower housing 2
At least one to be equipped with positioning ridge P, W extends positioning ridge P in the width direction；Battery modules U is further included：Multiple battery units 3,
W is arranged side by side and is contained in accommodating space A in the width direction, and each battery unit 3 also has locating slot N, and the positioning is dashed forward
P is plugged in the locating slot N of the corresponding multiple battery units 3 being arranged side by side, the inner surface of the upper perimeter wall 11 of upper shell 1 and
At least one positioning ridge P, the positioning ridge P of being equipped in the inner surface of the lower peripheral wall 21 of lower housing 2 is plugged in correspondence
The multiple battery units 3 being arranged side by side locating slot N in, so as to which multiple battery units 3 are fixed on battery modules U's
In accommodating space A, it is subject to prevent multiple battery units in accommodating space A during external impact and/or vibrations in battery modules U
3 rock, improves the structural stability of battery modules U, simplifies the structure design of battery modules U.
In battery modules U according to the present utility model, specifically, battery unit 3 can be implemented there are many form one
In example, with reference to Fig. 1 and Fig. 2, Fig. 5 and Fig. 6 are combined, each battery unit 3 is by 31 structure of fixed frame 32 and at least one secondary cell
Into fixed frame 32 has：At least one heat-conducting plate 321 and two supporting blocks 322.Each heat-conducting plate 321 has：Butting section, along height
Spend direction H extensions；Contact site 3211 prolongs positioned at the side of the short transverse H of butting section and to the width W of heat-conducting plate 321
It stretches.Two supporting blocks 322 are separately fixed at the both ends of the length direction L of at least one heat-conducting plate 321, each supporting block 322
With protrusion 3221, protrusion 3221 is equipped with locating slot N, and locating slot N is inwardly concaved from the end face of the short transverse H of protrusion 3221.
Battery unit 3 can also be other structure types met the requirements, and need to only ensure that battery unit 3 is equipped with can determine for described
The locating slot N of position ridge P grafting and the contact site 3211 contacted with the inner surface of accommodating space A.
With reference to 2 and Fig. 3, the upper perimeter wall 11 of upper shell 1 is made of roof 111 and two upper side walls 112；Lower housing 2
Lower peripheral wall 21 is made of bottom wall 211 and two lower walls 212.
The inner surface of the roof 111 of upper shell 1 is equipped with positioning ridge P, and W extends in the width direction；The bottom wall of lower housing 2
211 inner surface is equipped with positioning ridge P, and in the width direction W extension opposite with the positioning ridge P of upper shell 1；Upper shell 1
Positioning ridge P is accordingly plugged in the locating slot N positioned at the upside of short transverse H of multiple battery units 3, lower housing 2
Positioning ridge P is accordingly plugged in the locating slot N of the downside of the short transverse H of multiple battery units 3.So as to will be multiple
Battery unit 3 is fixed in the accommodating space A of battery modules U, is prevented when battery modules U is subject to external impact and/or vibrations
Only multiple battery units 3 in accommodating space A rock, and improve the structural stability of battery modules U.
Further, position ridge P is provided with diversified forms, in one embodiment, as shown in Figures 2 and 3, each to support
Block 322 also has：Body part is connected to protrusion 3221；The protrusion 3221 of each supporting block 322 is two, along short transverse H interval
Arrange and along its length L from the outwardly protrusion of body part；The positioning ridge P of roof 111 is two, along its length
L is arranged at the both sides of the inner surface of roof 111；The positioning ridge P of bottom wall 211 is two, and L is arranged at bottom wall along its length
The both sides of 211 inner surface；What each positioning ridge P of upper shell 1 was accordingly plugged in multiple battery units 3 is located at short transverse
In the locating slot N of the upside of H, each positioning ridge P of lower housing 2 is accordingly plugged in the short transverse H of multiple battery units 3
In the locating slot N of downside.So as to multiple battery units 3, L and short transverse H are subject to the fixation for positioning ridge P along its length,
It is effectively improved the structural stability of battery modules U.Certainly the setting of positioning ridge P is not limited to this, and can also be had other
Diversified forms.
Battery modules U is further included：Two end plates 4 are respectively arranged at the accommodating space A's that upper shell 1 is formed with lower housing 2
The both sides of opening.
It is further included with reference to Fig. 2 and Fig. 6, battery modules U：Two side plates 5, in the width direction W be respectively arranged at by upper shell 1
The interior sidewall surface of the accommodating space A formed with lower housing 2 and multiple battery units 3 for being arranged side by side in outermost each electricity
Between pool unit 3.
As shown in fig. 6, W is inclined outwardly the upper side wall 112 of upper shell 1 from roof 111 in the width direction；Under lower housing 2
W is inclined outwardly side wall 212 from bottom wall 211 in the width direction；The one side towards battery unit 3 of each side plate 5 is plane, inward-facing
The one side of side wall surface has：Top incline 51 is engaged with the upper side wall 112 of upper shell 1；And bottom incline 52, with lower casing
212 face of lower wall of body 2 is engaged.The upper side wall 112 of upper shell 1 and 212 inclined design of lower wall of lower housing 2 are along width
Multiple battery units 3 that direction is arranged side by side, which can be smoothly assembled in upper shell 1 and lower housing 2, provides guiding role, just
In the assembling of the big multiple battery units 3 of W spans in the width direction, in addition, the setting of side plate 5 can be by width W spans
Big multiple battery units 3 are fixed between two side plates 5 so that W is fitted closely multiple battery units 3 in the width direction, is prevented
Only W is rocked battery unit 3 in the width direction, and the installation for being designed as upper shell 1 of the top incline 51 of side plate 5 is provided to be oriented to and made
With convenient for the assembling of battery modules U.
The end of the short transverse H of each side plate 5 is equipped with recess 53, and recess 53 is located at the side of the length direction L of side plate 5,
Accordingly, positioning ridge P is plugged in the recess 53 of side plate 5.The design of recess 53 causes side plate 5 to be fixed on upper shell 1 and lower casing
Between body 2, the structural stability of battery modules U is improved.
It is further included with reference to Figure 15 to Figure 17, battery modules U：Elastic buffering pad 6, set two adjacent battery units 3 it
Between and outermost battery unit 3 and side plate 5 between.Elastic buffering pad 6 is after compressive deformation so that multiple battery units 3 hold
It is easily assembled in upper shell 1 and lower housing 2, and after multiple battery units 3 are assembled into upper shell 1 and lower housing 2, elasticity is slow
6 elasticity of pad is rushed to recover, so as to which multiple battery units 3 are positioned and clamped securely together with upper shell 1 and lower housing 2,
So as to when battery modules U is subject to external impact and/or vibrations, ensure stability of the battery unit 3 in structure and play slow
Punching acts on；In addition, the elastic deformation characteristic of elastic buffering pad 6 can be secondary cell 31 be generated during charge and discharge cycles it is swollen
Swollen offer expansion space.Elastic buffering pad 6 can be foam.
Referring to Figure 2 to Figure 4 and Fig. 6, Fig. 7 are combined, upper shell 1 is additionally provided with upper flange 13, is connected to each upper side wall 112 and edge
Width W extends outwardly；Lower housing 2 is additionally provided with lower flange 23, be connected to each lower wall 212 and in the width direction W to extension
It stretches.The setting of upper flange 13 and lower flange 23 can be such that battery modules U is overlapped on supporting walls F described below, convenient for battery
Module U is assembled into battery pack.
The upper flange 13 of upper shell 1 is additionally provided with multiple upper Positioning holes 131；The lower flange 23 of lower housing 2 be additionally provided with it is multiple under
Location hole 231, each lower Positioning holes 231 correspond to a upper Positioning holes 131 and set.
The outer surface of upper shell 1 is equipped with multiple reinforcing rib S, multiple reinforcing rib S of upper shell 1 L intervals cloth along its length
It puts and each reinforcing rib S extends along the short transverse H of upper side wall 112 and the length direction L of roof 111；The outer surface of lower housing 2 is set
Have multiple reinforcing rib S, multiple reinforcing rib S of lower housing 2 along its length L arranged for interval and each reinforcing rib S along lower wall 212
The length direction L of short transverse H and bottom wall 211 extends.The setting of reinforcing rib S not only alleviated the total quality of battery modules U but also
It ensure that the intensity of battery modules U.
In battery modules U according to the present utility model, in one embodiment, as shown in Figure 2 and Figure 5, each reinforcing rib S's
Fluid passage f1 is internally provided with, is penetrated through along the extending direction of entire reinforcing rib S；The upper flange 13 of upper shell 1 is equipped with multiple upper liquid holes
The fluid passage f1 connections of 132, each reinforcing rib S corresponding with upper shell 1 of upper liquid hole 132；The lower flange 23 of lower housing 2 is equipped with more
A lower liquid hole 232, the fluid passage f1 connections of each reinforcing rib S corresponding with lower housing 2 of lower liquid hole 232, and each lower liquid hole 232 is right
A upper liquid hole 132 is answered to set.When the battery modules U of the embodiment is used for battery pack described below, the inside of reinforcing rib S
Fluid passage f1 shorten the heat conduction path of battery modules U, improve the heat dissipation effect of battery modules U.In certain reinforcing rib S
Fluid passage f1 can be not provided with, when battery modules U is used for battery pack at this time, battery modules U is directly carried out using external cooling system
Cooling.
Finally illustrate the battery pack according to the utility model second aspect.
With reference to Fig. 8 to Figure 17, included according to the battery pack of the utility model second aspect：Supporting rack F has supporting walls
Flow path f2 is equipped in FW, supporting walls FW；And at least one battery modules U according to the utility model third aspect, respectively
The upper shell 1 and lower housing 2 of battery modules U is fixed on supporting walls FW and is contacted with supporting walls FW.
It is at least one according to the utility model first aspect in the battery pack according to the utility model second aspect
Battery modules U only need to be fixed on supporting walls FW and can be assembled into battery pack, compared with the battery pack of the prior art, eliminate
The upper box and lower box of battery pack simplify the structure design of battery pack, reduce the weight and volume of battery pack；In addition,
Battery modules U according to the utility model first aspect is big modular structure, using described in the utility model first aspect
Battery modules U assembled battery bags when, it is necessary to battery modules U quantity it is small, improve battery pack energy density and production imitate
Rate.In addition, battery pack supporting rack is directly used in heat dissipation, radiator structure is simple.
As shown in Fig. 8 to Figure 10, in one embodiment, the supporting walls FW of supporting rack F is by left wall FW1, right wall FW2, antetheca
FW3, rear wall FW4 and at least one midfeather FW5 are formed and are formed at least two accommodation spaces along short transverse H opening
FS, each accommodation space FS accommodate at least one battery modules U.Certain supporting rack F and battery modules U is not limited to the embodiment institute
The assembling form stated can also have other diversified forms, such as the bottom surface of each battery modules U can be supported directly on supporting rack
F is upper and passes through the bottom surface of battery modules U and supporting rack F and carries out contact heat dissipation.
As shown in FIG. 10 to 14, upper shell 1 is additionally provided with upper flange 13, is connected to each upper side wall 112 and in the width direction W
Extend outwardly；Lower housing 2 is additionally provided with lower flange 23, is connected to each lower wall 212 and W extends outwardly in the width direction.Each battery
Module U is arranged at a corresponding accommodation space FS and upper flange 13 and lower flange 23 are fixed on the supporting walls FW of supporting rack F.
As shown in figure 9, left wall FW1, right wall FW2, rear wall FW4 and midfeather FW5 are equipped with interconnected flow path f2.
Cooling liquid can flow to the flow path f2 of left wall FW1 by the inflows of the flow path f2 in midfeather FW5 and via the flow path f2 of rear wall FW4
With the flow path f2 of right wall FW2, realize and the outer surface of each battery modules U is cooled down；This is certainly not limited to, cooling liquid is also
It can be flowed into from the flow path f2 of left wall FW1 and flow to the flow path f2 of midfeather FW5 and right wall FW2 via the flow path f2 of rear wall FW4
Flow path f2；Or it is flowed into from the flow path f2 of right wall FW2 and flows to the flow path f2 of midfeather FW5 via the flow path f2 of rear wall FW4
With the flow path f2 of left wall FW1.
The outer surface of upper shell 1 is equipped with multiple reinforcing rib S, multiple reinforcing rib S of upper shell 1 L intervals cloth along its length
It puts and each reinforcing rib S extends along the short transverse H of upper side wall 112 and the length direction L of roof 111；The outer surface of lower housing 2 is set
Have multiple reinforcing rib S, multiple reinforcing rib S of lower housing 2 along its length L arranged for interval and each reinforcing rib S along lower wall 212
The length direction L of short transverse H and bottom wall 211 extends.The setting of reinforcing rib S not only alleviated the overall weight of battery modules U but also
Add intensity.
In battery pack according to the present utility model, in one embodiment, with reference to Figure 11 to 13 and Fig. 5 and Fig. 7 is combined, respectively
Each reinforcing rib S's of battery modules U is internally provided with fluid passage f1, is penetrated through along the extending direction of entire reinforcing rib S；Upper shell 1 it is upper
Flange 13 is equipped with multiple upper liquid holes 132, and the fluid passage f1 of each reinforcing rib S corresponding with upper shell 1 of upper liquid hole 132 is connected；Under
The lower flange 23 of housing 2 is equipped with multiple lower liquid holes 232, the fluid passage f1 of each lower inlet opening reinforcing rib S corresponding with lower housing 2
Connection, and each lower liquid hole 232 corresponds to a upper liquid hole 132 and sets；The left wall FW1 of supporting rack F, right wall FW2, rear wall FW4 and
Midfeather FW5 is equipped with interconnected flow path f2, and left wall FW1, right wall FW2, the upper table of rear wall FW4 and midfeather FW5
Face is respectively equipped with multiple head piece O, and each head piece O is connected with corresponding flow path f2；Each head piece O's and battery modules U of each flow path f2
Corresponding upper liquid hole 132, lower liquid hole 232 connect.In this embodiment, each reinforcing rib S is internally provided with fluid passage f1, and fluid passage f1
Connected with the flow path f2 of supporting rack F, cooling liquid therefrom partition FW5 flow path f2 flow into, via midfeather FW5 head piece O flow
The lower liquid hole 232 of the lower flange 23 connected into the head piece O with midfeather FW5 and the upper liquid hole 132 of upper flange 13 and then into upper
In the fluid passage f1 of the fluid passage f1 of the reinforcing rib S of housing 1 and the reinforcing rib S of lower housing 2, and via the flow path f2 of left wall FW1 and the right side
The flow path f2 outflows of wall FW2, the contact site 3211 of battery unit 3 and the bottom wall 211 of the roof 111 of upper shell 1 and lower housing 2 connect
It touches by the heat transfer that secondary cell 31 generates to upper shell 1 and lower housing 2, cooling liquid is flowed along the fluid passage f1 of reinforcing rib S
Heat is taken away during dynamic, realizes the heat dissipation of battery pack, and the flow path f2 of the battery pack of the utility model and reinforcing rib S
Fluid passage f1 be arranged such that the heat-conducting plate 321 of battery unit 3 is directly contacted with fluid passage f1, shorten thermally conductive pathways, improve
The heat dissipation effect of battery pack.
In order to which battery modules U is fixed on supporting rack F, the upper flange 13 of upper shell 1 is additionally provided with multiple upper Positioning holes
131；The lower flange 23 of lower housing 2 is additionally provided with multiple lower Positioning holes 231, and each lower Positioning holes 231 correspond to a upper Positioning holes 131 and set
It puts.
Battery pack further includes：Multiple bolt Bs, through the upper Positioning holes 131 and lower flange of the upper flange 13 of each battery modules U
23 corresponding lower Positioning holes 231 and the supporting walls FW of supporting rack F are each battery modules U is fixed on supporting walls FW.
Bolt B avoids the flow path f2 arrangements in supporting walls FW.So as to which the cooled liquid stream for preventing flow path f2 goes out.
Claims (15)
1. a kind of battery modules (U), which is characterized in that including：
Upper shell (1) has upper perimeter wall (11) and the upper accommodating cavity (12) surrounded by upper perimeter wall (11)；
Lower housing (2), has lower peripheral wall (21) and the lower accommodating cavity (22) that is surrounded by lower peripheral wall (21), lower housing (2) with it is upper
Housing (1) docks and forms the accommodating space (A) being made of upper accommodating cavity (12) and lower accommodating cavity (22).
2. battery modules (U) according to claim 1, which is characterized in that
Battery modules (U) further include：Multiple battery units (3), in the width direction (W) be arranged side by side and be contained in accommodating space
(A) in, each battery unit (3) has contact site (3211), contact site (3211) and the accommodating space (A) of each battery unit (3)
Inner surface contact.
3. battery modules (U) according to claim 1, which is characterized in that
The upper perimeter wall (11) of upper shell (1) is made of roof (111) and two upper side walls (112)；
The lower peripheral wall (21) of lower housing (2) is made of bottom wall (211) and two lower walls (212).
4. battery modules (U) according to claim 2, which is characterized in that battery modules (U) further include：
Two side plates (5), in the width direction (W) be respectively arranged at the accommodating space being made of upper shell (1) and lower housing (2)
(A) interior sidewall surface and multiple battery units (3) for being arranged side by side between outermost each battery unit (3).
5. battery modules (U) according to claim 4, which is characterized in that
The upper perimeter wall (11) of upper shell (1) is made of roof (111) and two upper side walls (112), and upper side wall (112) is along width
Direction (W) is inclined outwardly from roof (111)；
The lower peripheral wall (21) of lower housing (2) is made of bottom wall (211) and two lower walls (212), and lower wall (212) is along width
Direction (W) is inclined outwardly from bottom wall (211)；
The one side towards battery unit (3) of each side plate (5) is plane, is had towards the one side of interior sidewall surface：Top incline
(51), it is engaged with the upper side wall of upper shell (1) (112)；And bottom incline (52), the lower wall (212) with lower housing (2)
Face is engaged.
6. battery modules (U) according to claim 3, which is characterized in that
Upper shell (1) is additionally provided with upper flange (13), is connected to each upper side wall (112) and (W) extends outwardly in the width direction；
Lower housing (2) is additionally provided with lower flange (23), is connected to each lower wall (212) and (W) extends outwardly in the width direction.
7. battery modules (U) according to claim 6, which is characterized in that
The outer surface of upper shell (1) is equipped with multiple reinforcing ribs (S), and multiple reinforcing ribs (S) of upper shell (1) are along its length (L)
Arranged for interval and each reinforcing rib (S) extend along the short transverse (H) of upper side wall (112) and the length direction (L) of roof (111)；
The outer surface of lower housing (2) is equipped with multiple reinforcing ribs (S), and multiple reinforcing ribs (S) of lower housing (2) are along its length (L)
Arranged for interval and each reinforcing rib (S) extend along the short transverse (H) of lower wall (212) and the length direction (L) of bottom wall (211).
8. battery modules (U) according to claim 7, which is characterized in that each reinforcing rib (S) is internally provided with fluid passage
(f1), penetrated through along the extending direction of entire reinforcing rib (S)；
The upper flange (13) of upper shell (1) is equipped with multiple upper liquid holes (132), each upper liquid hole (132) and corresponding the one of upper shell (1)
Fluid passage (f1) connection of a reinforcing rib (S)；
The lower flange (23) of lower housing (2) is equipped with multiple lower liquid holes (232), each lower liquid hole (232) and corresponding the one of lower housing (2)
Fluid passage (f1) connection of a reinforcing rib (S), and the corresponding upper liquid hole (132) of each lower liquid hole (232) is set.
9. a kind of battery pack, which is characterized in that including：
Supporting rack (F) has supporting walls (FW), flow path (f2) is equipped in supporting walls (FW)；And
At least one battery modules (U) according to any one of claim 1,2,4, the upper shell of each battery modules (U)
(1) it is fixed on supporting walls (FW) and is contacted with supporting walls (FW) with lower housing (2).
10. battery pack according to claim 9, which is characterized in that the supporting walls (FW) of supporting rack (F) by left wall (FW1),
Right wall (FW2), antetheca (FW3), rear wall (FW4) and at least one midfeather (FW5) are formed and formed and opened along short transverse (H)
At least two accommodation spaces (FS) of mouth, each accommodation space (FS) accommodate at least one battery modules (U).
11. battery pack according to claim 9, which is characterized in that
The upper perimeter wall (11) of upper shell (1) is made of roof (111) and two upper side walls (112)；
The lower peripheral wall (21) of lower housing (2) is made of bottom wall (211) and two lower walls (212)；
Upper shell (1) is additionally provided with upper flange (13), is connected to each upper side wall (112) and (W) extends outwardly in the width direction；
Lower housing (2) is additionally provided with lower flange (23), is connected to each lower wall (212) and (W) extends outwardly in the width direction.
12. battery pack according to claim 11, which is characterized in that each battery modules (U) are arranged at a corresponding appearance
It receives space (FS) and upper flange (13) and lower flange (23) is fixed on the supporting walls (FW) of supporting rack (F).
13. battery pack according to claim 10, which is characterized in that
Left wall (FW1), right wall (FW2), rear wall (FW4) and midfeather (FW5) are equipped with interconnected flow path (f2).
14. battery pack according to claim 11, which is characterized in that
The outer surface of upper shell (1) is equipped with multiple reinforcing ribs (S), and multiple reinforcing ribs (S) of upper shell (1) are along its length (L)
Arranged for interval and each reinforcing rib (S) extend along the short transverse (H) of upper side wall (112) and the length direction (L) of roof (111)；
The outer surface of lower housing (2) is equipped with multiple reinforcing ribs (S), and multiple reinforcing ribs (S) of lower housing (2) are along its length (L)
Arranged for interval and each reinforcing rib (S) extend along the short transverse (H) of lower wall (212) and the length direction (L) of bottom wall (211).
15. battery pack according to claim 14, which is characterized in that
Each reinforcing rib (S) of each battery modules (U) is internally provided with fluid passage (f1), is passed through along the extending direction of entire reinforcing rib (S)
It is logical；
The upper flange (13) of upper shell (1) is equipped with multiple upper liquid holes (132), each upper liquid hole (132) and corresponding the one of upper shell (1)
Fluid passage (f1) connection of a reinforcing rib (S)；
The lower flange (23) of lower housing (2) is equipped with multiple lower liquid holes (232), each lower liquid hole (232) and corresponding the one of lower housing (2)
Fluid passage (f1) connection of a reinforcing rib (S), and the corresponding upper liquid hole (132) of each lower liquid hole (232) is set；
Left wall (FW1), right wall (FW2), rear wall (FW4) and the midfeather (FW5) of supporting rack (F) are equipped with interconnected stream
Road (f2), and left wall (FW1), right wall (FW2), the upper surface of rear wall (FW4) and midfeather (FW5) are respectively equipped with multiple head pieces
(O), each head piece (O) connects with corresponding flow path (f2)；
Each head piece (O) of each flow path (f2) is connected with the corresponding upper liquid hole (132) of battery modules (U), lower liquid hole (232).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721527028.6U CN207441810U (en) | 2017-11-15 | 2017-11-15 | Battery modules and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721527028.6U CN207441810U (en) | 2017-11-15 | 2017-11-15 | Battery modules and battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN207441810U true CN207441810U (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721527028.6U Active CN207441810U (en) | 2017-11-15 | 2017-11-15 | Battery modules and battery pack |
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| Country | Link |
|---|---|
| CN (1) | CN207441810U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110165113A (en) * | 2019-01-09 | 2019-08-23 | 比亚迪股份有限公司 | Power battery pack and electric vehicle |
| CN110323381A (en) * | 2019-06-18 | 2019-10-11 | 蜂巢能源科技有限公司 | Shell, power battery pack and vehicle |
| WO2020177738A1 (en) * | 2019-03-07 | 2020-09-10 | 宁德时代新能源科技股份有限公司 | Battery module and battery pack |
| CN112151708A (en) * | 2019-06-26 | 2020-12-29 | 北京新能源汽车股份有限公司 | Battery module and car |
| EP3800704A4 (en) * | 2018-12-30 | 2021-10-13 | Contemporary Amperex Technology Co., Limited | Battery module and battery pack |
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2017
- 2017-11-15 CN CN201721527028.6U patent/CN207441810U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3800704A4 (en) * | 2018-12-30 | 2021-10-13 | Contemporary Amperex Technology Co., Limited | Battery module and battery pack |
| CN110165113A (en) * | 2019-01-09 | 2019-08-23 | 比亚迪股份有限公司 | Power battery pack and electric vehicle |
| CN110165113B (en) * | 2019-01-09 | 2019-12-20 | 比亚迪股份有限公司 | Power battery pack and electric vehicle |
| WO2020177738A1 (en) * | 2019-03-07 | 2020-09-10 | 宁德时代新能源科技股份有限公司 | Battery module and battery pack |
| CN110323381A (en) * | 2019-06-18 | 2019-10-11 | 蜂巢能源科技有限公司 | Shell, power battery pack and vehicle |
| CN110323381B (en) * | 2019-06-18 | 2022-08-05 | 蜂巢能源科技有限公司 | Casing, power battery package and vehicle |
| CN112151708A (en) * | 2019-06-26 | 2020-12-29 | 北京新能源汽车股份有限公司 | Battery module and car |
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