CN208507762U - Battery pack and electric car - Google Patents
Battery pack and electric car Download PDFInfo
- Publication number
- CN208507762U CN208507762U CN201820925225.1U CN201820925225U CN208507762U CN 208507762 U CN208507762 U CN 208507762U CN 201820925225 U CN201820925225 U CN 201820925225U CN 208507762 U CN208507762 U CN 208507762U
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- Prior art keywords
- coldplate
- battery pack
- stringer
- carriage assembly
- mounting portion
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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
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a kind of battery pack and electric car.Battery pack includes: cabinet；Coldplate is located at the lower section of cabinet along short transverse；And carriage assembly, it is located at the lower section of coldplate along short transverse and is fixedly connected on cabinet, and carriage assembly with the mounting plate of electric car for directly contacts.When the battery pack of the utility model is when electric car, since carriage assembly separates the mounting plate of coldplate and electric car, to which coldplate is without directly carrying out heat exchange with mounting plate, influence of the temperature to coldplate of mounting plate is thus reduced, to improve cooling or heating efficiency of the coldplate to the battery of box house.
Description
Technical field
The utility model relates to battery technology field more particularly to a kind of battery pack and electric cars.
Background technique
The normal ideal working temperature of battery in battery pack is 20 DEG C~35 DEG C, and in high and cold and high-heat environment in order to
Guarantee the normal service life of battery, it is necessary to heat management design is carried out to battery pack, by being heated or cooled to regulating cell
Operating temperature.
For the operating temperature of the regulating cell when battery pack works, the practices well of existing battery pack is: (1) in electricity
Coldplate is arranged in the box house of Chi Bao；(2) coldplate is set outside the cabinet of battery pack.
It is set to the mode of box house for coldplate, needs to redesign the existing structure of battery pack, and
Since the space of box house is relatively nervous, great pressure is caused to design.Meanwhile battery pack had been used for a long time
Coolant liquid leakage in coldplate occurs for Cheng Zhongruo: one side coolant liquid can be such that the shell of battery and the metal parts of cabinet leads
It is logical, reduce the insulation resistance value of entire cabinet；On the other hand, coolant liquid can also accelerate the corrosion process of the metal parts of cabinet, produce
Raw security risk.
Mode outside cabinet is set to for coldplate, although solving the space utilization and coolant liquid of box house
The influence problem to the box house of battery pack is revealed, but when battery pack is in electric car, the coldplate of battery pack
It can directly be contacted with the mounting plate of electric car.And since the temperature of mounting plate and the ambient temperature of electric car are close,
When electric car is in high and cold and high-heat environment, mounting plate also can carry out heat exchange with coldplate, to reduce cooling
Cooling or heating efficiency of the plate to the battery of box house.
Utility model content
In view of the problems in the background art, the purpose of this utility model is to provide a kind of battery pack and electronic vapour
The carriage assembly of vehicle, battery pack separates the mounting plate of coldplate and electric car, reduces the temperature of mounting plate to cooling
The influence of plate, to improve the cooling or heating efficiency of coldplate.
To achieve the goals above, the utility model provides a kind of battery pack, is used for electric car, comprising: cabinet；It is cold
But plate is located at the lower section of cabinet along short transverse；And carriage assembly, lower section and the company of fixation of coldplate are located at along short transverse
It is connected to cabinet, and carriage assembly with the mounting plate of electric car for directly contacting.
Carriage assembly includes: at least two stringers, in the width direction interval setting；And at least two crossbeams, along length
The setting of direction interval, two beam-ends in width direction of each crossbeam are respectively fixedly connected with a corresponding stringer.
Coldplate includes main part；And multiple first mounting portions, each first mounting portion protrusion are formed in main part.Respectively
Stringer includes multiple second mounting portions, is formed in the side towards coldplate of stringer, pair of each second mounting portion and coldplate
First mounting portion is answered to be fixedly connected with corresponding first mounting portion with merging.
Coldplate also includes multiple first auxiliary sections, is formed in the side towards carriage assembly of coldplate and along width
The setting of direction interval.Each crossbeam also includes multiple second auxiliary sections, is formed in the side towards coldplate of crossbeam and along width
The setting of direction interval, and each second auxiliary section and a corresponding first auxiliary section male-female engagement.
Each first auxiliary section of coldplate is formed as U-shaped structure.The multiple second auxiliary section of each crossbeam is formed as sawing
Dentalation.
Each stringer also includes multiple third mounting portions, is formed in the side towards coldplate of stringer and along its length
Interval setting, each third mounting portion are fixedly connected with a beam-end of corresponding crossbeam.
Carriage assembly further include: fence rail is fixedly connected with the longeron end on length direction of each stringer, is used for
Coldplate is protected on length direction.
Each stringer also includes the 4th mounting portion, is formed in the side towards coldplate of longeron end and is fixedly connected anti-
Guard beam.
Fence rail includes flat part, is arranged side by side at least two crossbeam；And side plate, it is prominent along short transverse
For flat part and positioned at the length direction side of coldplate, to protect in the longitudinal direction coldplate.
Each stringer also includes support portion, is formed in the width direction side of stringer and extends in the width direction；And
Mounting portion is formed in the width direction other side of stringer and extends in the width direction.
The utility model additionally provides a kind of electric car comprising battery pack described above.
The beneficial effects of the utility model are as follows: since carriage assembly separates coldplate and mounting plate, thus cooling
Plate thus reduces influence of the temperature to coldplate of mounting plate, to improve without directly carrying out heat exchange with mounting plate
Cooling or heating efficiency of the coldplate to the battery of box house.
Detailed description of the invention
Fig. 1 is the perspective view of battery pack according to the present utility model.
Fig. 2 is the exploded view of Fig. 1.
Fig. 3 is the assembling figure of coldplate according to the present utility model, carriage assembly and heat conductive pad.
Fig. 4 is the exploded view of Fig. 3, and wherein coldplate is the perspective view seen from front.
Fig. 5 is the perspective view that the coldplate in Fig. 4 is seen from the back side.
Fig. 6 is the perspective view that the stringer of the carriage assembly in Fig. 4 is seen from front.
Fig. 7 is the perspective view that the stringer of the carriage assembly in Fig. 4 is seen from the back side.
Fig. 8 is the perspective view that the crossbeam of the carriage assembly in Fig. 4 is seen from front.
Fig. 9 is the perspective view that the crossbeam of the carriage assembly in Fig. 4 is seen from the back side.
Figure 10 is the perspective view of the fence rail of the carriage assembly in Fig. 4.
Wherein, the reference numerals are as follows:
1 cabinet, 315 support portion
11 the 7th mounting hole, 316 mounting portion
2 coldplate, 3161 connecting hole
21 main part, 317 fixation hole
22 first mounting portion, 32 crossbeam
221 first mounting hole, 321 beam-end
The 5th mounting hole of 23 first auxiliary section 3211
24 extension, 322 second auxiliary section
3 carriage assembly, 33 fence rail
The 6th mounting hole of 31 stringer 331
311 longeron end, 332 flat part
312 second mounting portion, 333 side plate
3121 second mounting hole, 4 heat conductive pad
313 third mounting portion S fasteners
3131 third mounting hole W width directions
314 the 4th mounting portion L length directions
3141 the 4th mounting hole H short transverses
Specific embodiment
It is described in detail battery pack according to the present utility model and electric car with reference to the accompanying drawings.
Referring to Figures 1 and 2, electric car according to the present utility model includes mounting plate (not shown) and battery pack.Installation
Plate is for installing battery pack and directly contacting with battery pack.
Referring to Figures 1 and 2, battery pack includes: cabinet 1, accommodates battery (not shown)；Coldplate 2, along height direction H
Positioned at the lower section of cabinet 1；And carriage assembly 3, it is located at the lower section of coldplate 2 along height direction H and is fixedly connected on cabinet 1,
And carriage assembly 3 is directly contacted with mounting plate.Since the carriage assembly 3 of battery pack separates coldplate 2 with mounting plate, thus
Coldplate 2 thus reduces the temperature of mounting plate (especially when electric car is in height without directly carrying out heat exchange with mounting plate
When in cold and high-heat environment) influence to coldplate 2, thus improve coldplate 2 to the cooling of battery cabinet 1 inside or plus
The thermal efficiency.
Referring to Fig. 2, cabinet 1, coldplate 2 and carriage assembly 3 are respectively independent component, when coldplate 2 fails
When, coldplate 2 can be replaced at any time.
In the use process of battery pack, in order to realize adjusting of the coldplate 2 to the operating temperature of battery, in coldplate 2
Circulation has coolant liquid in general, can be used and is heated or stopped the mode of heating to coolant liquid to be adjusted, can also be cold
The mode of heating membrane is but set on plate 2 to be adjusted.
Referring to Figures 1 and 2, the outside of the cabinet 1 of battery pack is provided with multiple 7th mounting holes 11, and carriage assembly 3 utilizes
The multiple 7th mounting hole 11 of cabinet 1 is simultaneously fixedly connected on cabinet 1 by fastener S.
Referring to Fig. 3 and Fig. 4, carriage assembly 3 can include: at least two stringers 31, the interval W is arranged in the width direction；And
At least two crossbeams 32, the interval L is arranged along its length, two beam-ends 321 on width direction W of each crossbeam 32
It is respectively fixedly connected with a corresponding stringer 31.Wherein, each stringer 31 and each crossbeam 32 can be made of metal material, as stainless steel,
Aluminum or aluminum alloy etc..
Here, carriage assembly 3 is interconnected together and is formed as using at least two stringers 31 and at least two crossbeams 32
Frame structure, the carriage assembly 3 of this structure to be formed with the space for air circulation between coldplate 2 and mounting plate, by
It is very low in the thermal coefficient of air, heat transfer efficiency of the mounting plate to coldplate 2 can be further decreased, the temperature of mounting plate is reduced
Influence to the coolant temperature in coldplate 2, to help to improve cooling or heating efficiency of the coldplate 2 to battery.And
And the bearing capacity and strong shock resistance of this frame structure, improve the structural strength of entire battery pack.When battery pack exists
When in installation and handling process, carriage assembly 3 can directly against external object (including mounting plate) to the impact of coldplate 2 or
Collision, the damage so as to avoid applied external force to coldplate 2, thus carriage assembly 3 plays coldplate 2 good anti-
Shield effect.In addition, this frame structure additionally aids saving material, cost is greatly reduced.
Referring to Figure 2 to Figure 4, the quantity of stringer 31 can be two.But it is not limited only to this, in order to further enhance carriage assembly
3 whole intensity, can suitably increase the quantity of stringer 31.
Carriage assembly 3 coldplate 2 supported underneath and coldplate 2 is fixedly mounted.Referring to Fig. 4 and Fig. 5, coldplate 2 can
Include main part 21；And multiple first mounting portions 22, each protrusion of first mounting portion 22 are formed in main part 21.Reference Fig. 3,
Fig. 4 and Fig. 6, each stringer 31 can include multiple second mounting portions 312, be formed in the side towards coldplate 2 of stringer 31, respectively
Second mounting portion 312 first mounting portion 22 corresponding with coldplate 2 is fixedly connected with corresponding first mounting portion with merging
22.Wherein, assembling coldplate 2 and when carriage assembly 3, due to each second mounting portion 312 and corresponding first mounting portion 22 it
Between matching relationship, convenient for quickly being positioned to coldplate 2, be achieved between coldplate 2 and carriage assembly 3 quick group
Dress.
In order to control coldplate 2 and the whole size in height direction H of carriage assembly 3, each second peace of each stringer 31
It dress portion 312 can be with corresponding first mounting portion, 22 male-female engagement.Specifically, each second mounting portion 312 can be protrusion, correspondingly,
Corresponding first mounting portion 22 is groove.Alternatively, each second mounting portion 312 can be groove (as shown in Figure 4 and Figure 6), correspondingly,
Corresponding first mounting portion 22 is protrusion (as shown in Figure 4 and Figure 5).
Referring to Fig. 4 and Fig. 5, the two sides width direction W of main part 21 W protrusion can be formed with the first mounting portion in the width direction
22, and first mounting portion 22 of the same side width direction W in main part 21 is spaced setting.
Referring to Fig. 4 and Fig. 5, coldplate 2 can also include extension 24, be formed in the side length direction L of main part 21 simultaneously
W protrudes from main part 21 in the width direction.The both ends width direction W of extension 24 L protrusion can be formed with first along its length
Mounting portion 22, and the stringer of each stringer 31 is formed in the second mounting portion 312 of the first mounting portion 22 cooperation on extension 24
End 311.
Referring to Fig. 3, the multiple first mounting portion 22 of coldplate 2 can be fixedly connected on carriage assembly 3 by fastener S
Each stringer 31 the second mounting portion 312.Specifically, referring to Fig. 4 and Fig. 5, each first mounting portion 22 of coldplate 2 be may be provided with
First mounting hole 221.Referring to figure 6 and figure 7, each second mounting portion 312 of each stringer 31 may be provided with the second mounting hole 3121.?
When assembling coldplate 2 and each stringer 31, each first mounting hole 221 of coldplate 2 is installed with one second of corresponding stringer 31
Hole 3121 is passed through along height direction H consistency from top to bottom and for a corresponding fastener S to be fixedly connected with coldplate 2 and each stringer 31.
In order to guarantee the connection reliability between coldplate 2 and cabinet 1, the second mounting hole 3121 of carriage assembly 3, cooling
Each first mounting hole 221 of plate 2 and corresponding 7th mounting hole 11 of cabinet 1 are fixed together by fastener S.
Referring to Fig. 3 to Fig. 5, since the mode of male-female engagement is simple, coldplate 2 can by way of male-female engagement the company of fixation
It is connected to each crossbeam 32 of carriage assembly 3, consequently facilitating quickly assembling coldplate 2 and carriage assembly 3.Specifically, cold referring to Fig. 5
But plate 2 can also include multiple first auxiliary sections 23, be formed in the side towards carriage assembly 3 of coldplate 2 and in the width direction
The setting of the interval W.Referring to Fig. 4, Fig. 8 and Fig. 9, each crossbeam 32 can also include multiple second auxiliary sections 322, be formed in crossbeam 32
Side towards coldplate 2 and the in the width direction interval W are arranged, and each second auxiliary section 322 and corresponding first auxiliary section
23 male-female engagements.Here, each second auxiliary section 322 first auxiliary section 23 corresponding with coldplate 2 based on each crossbeam 32
Between male-female engagement, the relative motion of coldplate 2 and each crossbeam 32 in the width direction on W is defined, so that coldplate 2 is firm
Admittedly be fixed on carriage assembly 3, and carriage assembly 3 is fixedly connected on cabinet 1, thereby ensure that between coldplate 2 and cabinet 1
Connection reliability.
Each first auxiliary section 23 of coldplate 2 can be protrusion, and correspondingly, each second auxiliary section 322 of each crossbeam 32 is recessed
Slot.Alternatively, each first auxiliary section 23 of coldplate 2 can be groove (as shown in Figure 5), correspondingly, each the second of each crossbeam 32 is matched
Conjunction portion 322 is protrusion (as shown in Figure 8).
Referring to Fig. 5, each first auxiliary section 23 of coldplate 2 is formed as U-shaped structure, and the multiple first auxiliary section 23
Gradually diffusion profile (being formed like radial structure) from inside to outside.
Referring to Fig. 8 and Fig. 9, the multiple second auxiliary section 322 of each crossbeam 32 is formed as laciniation and symmetrical
Distribution.
Referring to Fig. 3, Fig. 4 and Fig. 6, each stringer 31 can also include multiple third mounting portions 313, be formed in the face of stringer 31
To coldplate 2 side and the interval L is arranged along its length, each third mounting portion 313 is fixedly connected with one of corresponding crossbeam 32
Beam-end 321.Wherein, when assembling at least two stringer 31 and at least two crossbeams 32 of carriage assembly 3, each stringer
31 each third mounting portion 313 is for quickly positioning each crossbeam 32, consequently facilitating quickly by each stringer 31 and multiple cross
Beam 32 is assembled integrally.Specifically, each third mounting portion 313 of each stringer 31 can be groove, and each receiving of third mounting portion 313 is simultaneously
It is fixedly connected with a beam-end 321 of corresponding crossbeam 32, coldplate 2 is thus reduced and carriage assembly 3 is whole along height side
Size on H.
Referring to Fig. 3, each crossbeam 32 can be fixedly connected on each stringer 31 by fastener S.Specifically, referring to figure 6 and figure 7,
Each third mounting portion 313 of each stringer 31 may be provided with third mounting hole 3131.Referring to Fig. 8 and Fig. 9, the crossbeam end of each crossbeam 32
Portion 321 may be provided with the 5th mounting hole 3211.When assembling at least two stringer 31 and at least two crossbeams 32, each crossbeam
32 each 5th mounting hole 3211 is with the third mounting hole 3131 of corresponding stringer 31 along height direction H consistency from top to bottom and for corresponding one
A fastener S is passed through to be fixedly connected with each crossbeam 32 and each stringer 31.
Referring to Fig. 3 and Fig. 4, carriage assembly 3 may also include that fence rail 33, and be fixedly connected with each stringer 31 is in length side
Longeron end 311 on L, for protecting in the length directionl coldplate 2.Wherein, fence rail 33 can be by metal material
Material is made, such as stainless steel, aluminum or aluminum alloy.
The quantity of fence rail 33 can be one.When battery pack is installed on mounting plate, battery pack is provided with fence rail
33 one end length direction L is first placed on mounting plate, and then entire battery pack is pushed on mounting plate by L along its length again, by
This setting based on fence rail 33 avoids coldplate 2 and is damaged in the installation process of battery pack.
In order to quickly position fence rail 33, by 33 Fast Installation of fence rail in the longeron end 311 of each stringer 31, reference
Fig. 6 and Fig. 7, each stringer 31 can also include the 4th mounting portion 314, be formed in the side towards coldplate 2 of longeron end 311
And it is fixedly connected with fence rail 33.Specifically, the 4th mounting portion 314 of each stringer 31 can be groove, and the 4th mounting portion 314 accommodates simultaneously
It is fixedly connected with fence rail 33, thus reduces coldplate 2 and the whole size in height direction H of carriage assembly 3.
Here remark additionally, the 4th mounting portion 314 on same stringer 31 and with the first installation on extension 24
The second mounting portion 312 that portion 22 cooperates is respectively arranged at two longeron ends 311 on length direction L of stringer 31.
Fence rail 33 can be fixedly connected on the longeron end 311 of each stringer 31 by fastener S.Specifically, referring to Fig. 6 and
The 4th mounting portion 314 of Fig. 7, each stringer 31 may be provided with the 4th mounting hole 3141.Referring to Fig.1 0, fence rail 33 may be provided with
Six mounting holes 331.When assembling fence rail 33 and when each stringer 31, the 6th mounting hole 331 of fence rail 13 and corresponding stringer 31
4th mounting hole 3141 is passed through along height direction H consistency from top to bottom and for a corresponding fastener S to be fixedly connected with 13 He of fence rail
Each stringer 31.
Referring to Fig.1 0, fence rail 33 can include flat part 332, be arranged side by side at least two crossbeam 32；And side
Plate portion 333 protrudes from flat part 332 along height direction H and is located at the side length direction L of coldplate 2, in length direction L
On coldplate 2 is protected.After coldplate 2 and carriage assembly 3 are completed to assemble, referring to Fig. 3 and Fig. 4, fence rail 33 is put down
Plate portion 332 is supported on the lower section of coldplate 2 with each crossbeam 32 together, enhances the whole structural strength of carriage assembly 3, and protects
The side plate 333 of beam 33 is located at the side length direction L of coldplate 2, so that side plate 333 can be in the length directionl to cold
But plate 2 is protected.
Referring to figure 6 and figure 7, each stringer 31 can also include support portion 315, be formed in the side width direction W of stringer 31 simultaneously
W extends in the width direction.The support portion 315 of each stringer 31 can be bonded together by structure glue and cabinet 1, thus can be mentioned
Connection reliability between high coldplate 2 and cabinet 1, and help to improve the structural strength of battery pack entirety.
Referring to figure 6 and figure 7, each stringer 31 can also include mounting portion 316, be formed in the other side width direction W of stringer 31
And W extends in the width direction.The mounting portion 316 of each stringer 31 can be used for realizing the connection between battery pack and electric car
It is fixed.
With further reference to Fig. 6 and Fig. 7, the mounting portion 316 of each stringer 31 may be provided with connecting hole 3161.Connecting hole 3161 is used
It passes through in for fastener S with locking connection battery pack and electric car.
Referring to figure 6 and figure 7, each stringer 31 is also provided with: multiple fixation holes 317, and the interval L is arranged along its length, and
Each fixation hole 317 penetrates through stringer 31 along height direction H.The fixation hole 317 of each stringer 31 can be used for realizing bracket by fastener S
Being connected and fixed between component 3 and the cabinet of battery pack 1.
In order to which quickly conduction is to coldplate 2 for the heat on the cabinet 1 by battery pack, referring to Figure 2 to Figure 4, battery pack can also be wrapped
Include: heat conductive pad 4 is set between cabinet 1 and coldplate 2.Wherein, the quantity of heat conductive pad 4 can be carried out according to the demand of battery pack
Reasonable setting.
In order to guarantee carriage assembly 3 bottom flatness in order to the reliable installation between battery pack and electric car,
One end of the separate coldplate 2 of each second mounting hole 3121 be formed as countersunk head slot structure with for accommodate corresponding fastener S,
One end of the separate coldplate 2 of each fixation hole 317 is formed as countersunk head slot structure for accommodating corresponding fastener S, such as Fig. 7
It is shown.
Finally remark additionally, the fixation hole 317 of each stringer 31 of carriage assembly 3 the 7th peace corresponding with cabinet 1
Dress hole 11 is fixed together by fastener S, and first realized between carriage assembly 3 and the cabinet 1 of battery pack can
By connection；Each first mounting hole 221 of coldplate 2, the second mounting hole 3121 of corresponding stringer 31 and cabinet 1 it is corresponding
7th mounting hole 11 is fixed together by fastener S, and the second realized between carriage assembly 3 and cabinet 1 is reliable
Connection；The support portion 315 of each stringer 31 is bonded together with cabinet 1 by structure glue, realize carriage assembly 3 and cabinet 1 it
Between third road be reliably connected, thereby ensure that the connection reliability between carriage assembly 3 and cabinet 1.And due to carriage assembly 3
Simultaneously dead plate 2 is supported, and then ensure that the connection reliability between coldplate 2 and cabinet 1.
Fastener S described above can be bolt but be not limited only to bolt.
Claims (11)
1. a kind of battery pack is used for electric car, comprising:
Cabinet (1)；And
Coldplate (2) is located at the lower section of cabinet (1) along short transverse (H)；
It is characterized in that, battery pack further include: carriage assembly (3) is located at the lower section of coldplate (2) along short transverse (H) and consolidates
Surely it is connected to cabinet (1), and carriage assembly (3) with the mounting plate of electric car for directly contacting.
2. battery pack according to claim 1, which is characterized in that carriage assembly (3) includes:
At least two stringers (31), the in the width direction interval (W) setting；And
At least two crossbeams (32), the along its length interval (L) setting, two on width direction (W) of each crossbeam (32)
A beam-end (321) is respectively fixedly connected with a corresponding stringer (31).
3. battery pack according to claim 2, which is characterized in that
Coldplate (2) includes main part (21)；And multiple first mounting portions (22), each first mounting portion (22) is prominent to be formed
In main part (21)；
Each stringer (31) includes multiple second mounting portions (312), is formed in the side towards coldplate (2) of stringer (31), respectively
Second mounting portion (312) first mounting portion (22) corresponding with coldplate (2) with merge be fixedly connected this corresponding first
Mounting portion (22).
4. battery pack according to claim 2, which is characterized in that
Coldplate (2) also includes multiple first auxiliary sections (24), is formed in the side towards carriage assembly (3) of coldplate (2)
And the interval (W) setting in the width direction；
Each crossbeam (32) also includes multiple second auxiliary sections (322), is formed in the side towards coldplate (2) of crossbeam (32)
And the interval (W) setting, and each second auxiliary section (322) and corresponding first auxiliary section (24) male-female engagement in the width direction.
5. battery pack according to claim 4, which is characterized in that
Each first auxiliary section (24) of coldplate (2) is formed as U-shaped structure；
The multiple second auxiliary section (322) of each crossbeam (32) is formed as laciniation.
6. battery pack according to claim 2, which is characterized in that each stringer (31) also includes multiple third mounting portions
(314), the side towards coldplate (2) of stringer (31) and the along its length interval (L) setting, each third mounting portion are formed in
(314) it is fixedly connected with a beam-end (321) of corresponding crossbeam (32).
7. battery pack according to claim 2, which is characterized in that carriage assembly (3) further include: fence rail (33), it is fixed
The longeron end (311) on length direction (L) for connecting each stringer (31), is used on length direction (L) to coldplate
(2) it is protected.
8. battery pack according to claim 7, which is characterized in that each stringer (31) also includes the 4th mounting portion (314),
It is formed in the side towards coldplate (2) of longeron end (311) and is fixedly connected with fence rail (33).
9. battery pack according to claim 7, fence rail (33) is included
Flat part (333) is arranged side by side at least two crossbeam (32)；And
Side plate (334) protrudes from flat part (333) along short transverse (H) and is located at the length direction (L) one of coldplate (2)
Side, to protect on length direction (L) coldplate (2).
10. battery pack according to claim 2, which is characterized in that each stringer (31) also includes
Support portion (315) is formed in the width direction side (W) of stringer (31) and (W) extends in the width direction；And
Mounting portion (316) is formed in the width direction other side (W) of stringer (31) and (W) extends in the width direction.
11. a kind of electric car, which is characterized in that electric car includes battery pack of any of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820925225.1U CN208507762U (en) | 2018-06-14 | 2018-06-14 | Battery pack and electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820925225.1U CN208507762U (en) | 2018-06-14 | 2018-06-14 | Battery pack and electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208507762U true CN208507762U (en) | 2019-02-15 |
Family
ID=65285458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820925225.1U Active CN208507762U (en) | 2018-06-14 | 2018-06-14 | Battery pack and electric car |
Country Status (1)
| Country | Link |
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| CN (1) | CN208507762U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611059A (en) * | 2018-06-14 | 2019-12-24 | 宁德时代新能源科技股份有限公司 | Battery pack and electric automobile |
| CN110911600A (en) * | 2019-10-28 | 2020-03-24 | 广汽蔚来新能源汽车科技有限公司 | Shell, manufacturing method thereof and battery pack |
| WO2022021885A1 (en) * | 2020-07-29 | 2022-02-03 | 厦门海辰新能源科技有限公司 | Battery case and battery pack |
| CN114069147A (en) * | 2020-07-30 | 2022-02-18 | 佛吉亚排气系统有限公司 | Battery and associated vehicle |
-
2018
- 2018-06-14 CN CN201820925225.1U patent/CN208507762U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611059A (en) * | 2018-06-14 | 2019-12-24 | 宁德时代新能源科技股份有限公司 | Battery pack and electric automobile |
| CN110911600A (en) * | 2019-10-28 | 2020-03-24 | 广汽蔚来新能源汽车科技有限公司 | Shell, manufacturing method thereof and battery pack |
| WO2022021885A1 (en) * | 2020-07-29 | 2022-02-03 | 厦门海辰新能源科技有限公司 | Battery case and battery pack |
| US11791514B2 (en) * | 2020-07-29 | 2023-10-17 | Shenzhen Hairun New Energy Technology Co., Ltd. | Battery box and battery pack |
| CN114069147A (en) * | 2020-07-30 | 2022-02-18 | 佛吉亚排气系统有限公司 | Battery and associated vehicle |
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