CN209016167U - Battery case bottom cover and battery case - Google Patents
Battery case bottom cover and battery case Download PDFInfo
- Publication number
- CN209016167U CN209016167U CN201822277753.3U CN201822277753U CN209016167U CN 209016167 U CN209016167 U CN 209016167U CN 201822277753 U CN201822277753 U CN 201822277753U CN 209016167 U CN209016167 U CN 209016167U
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- China
- Prior art keywords
- bottom cover
- battery case
- hole
- chassis
- heat dissipation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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 discloses battery case bottom cover and battery cases, are related to battery case technical field.Battery case bottom cover provided by the utility model includes bottom cover ontology and chassis, bottom cover ontology and chassis interval are arranged and form heat dissipation channel, chassis is provided with the through-hole being connected to heat dissipation channel, bottom cover ontology is provided with the heat release hole being connected to heat dissipation channel, so that gas is successively flowed along through-hole, heat dissipation channel and heat release hole.The utility model additionally provides a kind of battery case including battery case bottom cover.Heat can be distributed in time when temperature rising needs to cool down in battery case, guarantee the heat dissipation effect of battery by battery case bottom cover and battery case provided by the utility model.
Description
Technical field
The utility model relates to battery case technical fields, in particular to battery case bottom cover and battery case.
Background technique
Electric vehicle converts electrical energy into mechanical energy using battery as the energy to drive motor racing.Electric vehicle is current
Ratio is smaller in vehicle accounting, but it meets the fixed energy conservation and environmental protection trend of country, greatly facilitates short distance traffic, and can be right
Environment plays good protection.
During converting electrical energy into mechanical energy, distributed as the flowing of electric current has a large amount of heat, heat meeting
The temperature in battery case is caused to rise, temperature directly influences the length of battery life.Also, temperature is higher to a certain extent,
The internal chemical reaction of battery can be fast, and internal resistance increase is faster, and the external manifestation that internal resistance increases is exactly that the power of battery output subtracts
It is small, reduced performance.
Utility model content
The purpose of this utility model is to provide a kind of battery case bottom covers, and temperature rising needs to cool down in battery case
When, heat can be distributed in time, guarantee the heat dissipation effect of battery.
The utility model provides a kind of technical solution about battery case bottom cover:
A kind of battery case bottom cover, including bottom cover ontology and chassis, the bottom cover ontology and chassis interval setting and shape
At heat dissipation channel, the chassis is provided with the through-hole being connected to the heat dissipation channel, and the bottom cover ontology is provided with to be dissipated with described
The heat release hole of passage of heat connection, so that gas is successively flowed along the through-hole, the heat dissipation channel and the heat release hole.
Further, the bottom cover ontology includes side wall and bottom wall, and the side wall is connect with the bottom wall, the side wall with
The chassis connects and forms the heat dissipation channel between the bottom wall and the chassis, and the heat release hole is set to the bottom
Wall.
Further, the bottom cover ontology has opening, and the opening is connected to the heat dissipation channel, and the heat release hole is adjacent
The nearly opening setting.
Further, the through-hole includes first through hole and the second through-hole, between the first through hole and second through-hole
Every being set to the chassis, the first through hole and second through-hole are connected to the heat dissipation channel.
Further, second through-hole is multiple, and the area of multiple second through-holes is opened along described in gas flow
The direction of mouth is sequentially reduced.
Further, second through-hole is rectangle, and the width of multiple second through-holes is constant, and length is sequentially reduced.
Further, the chassis includes chassis body and support portion, and the chassis body is connect with the support portion, when
When the chassis is connect with the bottom cover, the support portion is supported with the bottom cover ontology.
Further, the bottom cover ontology is provided with the protrusion for being convex to the heat dissipation channel, the protrusion and the support
Portion offsets.
Further, the protrusion includes the first protrusion and the second protrusion, between first protrusion and second protrusion
Every being set to the bottom cover ontology, first protrusion offsets with the support portion, and the bottom cover ontology further includes reinforcing
Muscle, the reinforcing rib are set between first protrusion and second protrusion.
The another object of the utility model is to provide a kind of battery case, and temperature rising needs to cool down in battery case
When, heat can be distributed in time, guarantee the heat dissipation effect of battery.
The utility model also provides a kind of technical solution about battery case:
A kind of battery case, the battery case bottom cover including battery and as described in above-mentioned any one, battery case bottom cover includes bottom
Lid ontology and chassis, the bottom cover ontology and the chassis interval are arranged and are formed heat dissipation channel, and the chassis is provided with and institute
State the through-hole of heat dissipation channel connection, the bottom cover ontology is provided with the heat release hole being connected to the heat dissipation channel so that gas according to
It is secondary to be flowed along the through-hole, the heat dissipation channel and the heat release hole.
Compared with prior art, the beneficial effect of battery case bottom cover and battery case provided by the utility model is:
Battery case bottom cover and battery case provided by the utility model, battery case bottom cover include bottom cover ontology and chassis, chassis
For placing battery mould group, it is formed with heat dissipation channel between bottom cover ontology and chassis, to guarantee gas by heat dissipation channel
Flowing.In the operating condition, the battery in battery case generates heat to battery case, and heat moves at chassis from top to bottom, passes through
The through-hole on chassis enters in heat dissipation channel, then is distributed by the heat release hole on bottom cover ontology.By enhancing air the bottom of at
Flowing between disk and bottom cover ontology is flowed using air and the heat in battery case is driven to distribute, to guarantee electric in battery case
The heat dissipation effect in pond increases the service life of battery.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as.For those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the configuration schematic diagram for the battery case bottom cover that the embodiments of the present invention provide；
Fig. 2 is the structural schematic diagram for the bottom cover ontology that the embodiments of the present invention provide；
Fig. 3 is enlarged diagram at III in Fig. 2；
Fig. 4 is the structural schematic diagram on the chassis that the embodiments of the present invention provide；
Fig. 5 is the structural schematic diagram for the chassis body that the embodiments of the present invention provide；
Fig. 6 is another structural schematic diagram for the battery case bottom cover that the embodiments of the present invention provide.
Icon: 10- battery case bottom cover；100- bottom cover ontology；The chassis 200-；300- heat dissipation channel；110- heat release hole；120-
Side wall；130- bottom wall；140- opening；210- through-hole；211- first through hole；The second through-hole of 212-；220- chassis body；230- branch
Support part；240- protrusion；The first protrusion of 241-；The second protrusion of 242-；250- reinforcing rib.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that term " on ", "lower", "inner", "outside", "left", "right" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship that the orientation or positional relationship or those skilled in the art usually put usually understand, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, " setting ",
Terms such as " connections " shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or one
Ground connection；It can be mechanical connection, be also possible to be electrically connected；Can be and be directly connected to, can also by between intermediary in succession
It connects, can be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail.
Referring to Fig. 1, Fig. 1 is the configuration schematic diagram for the battery case bottom cover 10 that the embodiments of the present invention provide.
A kind of battery case bottom cover 10 is present embodiments provided, it, can be in time by heat when temperature rising needs to cool down in battery case
It distributes, guarantees the heat dissipation effect of battery.
Battery case bottom cover 10 provided in this embodiment is used in battery case, in existing battery box structure, in order to battery
Battery modules in case radiate, and air inlet is provided at the top of battery case, can be by fan etc. by cool exterior air
It is drawn into battery case, then is taken at the bottom plate of battery case by the heat that cold air distributes battery modules, battery case bottom plate
There are gaps when assembly, and heat is distributed by the gap assembled, to radiate to battery modules.The present embodiment provides
Battery case bottom cover 10, strengthen and heat in battery case distributed, to guarantee the heat dissipation effect of battery modules.
Battery case bottom cover 10 provided in this embodiment includes bottom cover ontology 100 and chassis 200, bottom cover ontology 100 and chassis
200 intervals are arranged and form heat dissipation channel 300, and chassis 200 is provided with the through-hole 210 being connected to heat dissipation channel 300, bottom cover ontology
100 are provided with the heat release hole 110 being connected to heat dissipation channel 300.When battery case generates heat in the operating condition, fan can will be electric
Cold air outside the case of pond is drawn into battery case, and cold air takes the heat inside battery case at battery case bottom cover 10 to, is led to
The through-hole 210 for crossing bottom cover enters in heat dissipation channel 300, then is distributed heat by heat release hole 110.
It should be noted that in battery case heat dissipation be not only the present embodiment in provide keep gas logical from passing sequentially through
The mode in hole 210, heat dissipation channel 300 and heat release hole 110 distributes heat, can also be by scheme provided in this embodiment and other
Radiating mode is in conjunction with radiating.For example, through-hole is also offered on the top cover of battery case, for making external cold air enter electricity
In the case of pond, cold air, which enters, absorbs amount of heat in battery case, cold air needs to distribute in time after absorbing heat.According to heat
The principle of swollen shrinkage, after gas absorbs heat in battery case, volume increases, if being discharged not in time, cannot not only make battery
The heat dissipation of mould group, also will increase the pressure in battery case, with the increase of pressure, needs for gas to be discharged, to radiate
Pressure is balanced simultaneously.Balance pressure needs to make air pressure balance, and air outlet, binding chassis are typically provided in the main body of battery case
200 and bottom cover on opening 140, chassis 200, bottom cover and battery box main body assemble the gap left, gas are discharged jointly, increase
Strong heat dissipation effect.
Fig. 2 and Fig. 3 are please referred to, Fig. 2 is the structural schematic diagram for the bottom cover ontology 100 that the embodiments of the present invention provide,
Fig. 3 is enlarged diagram at III in Fig. 2.In the present embodiment, bottom cover ontology 100 includes side wall 120 and bottom wall 130, side wall
120 connect with bottom wall 130, and side wall 120 and chassis 200 connect and formed between bottom wall 130 and chassis 200 heat dissipation channel 300,
Heat release hole 110 is set to bottom wall 130.The bottom cover ontology 100 that side wall 120 and the connection of bottom wall 130 are formed is trench structure, on chassis
200 and bottom cover ontology 100 connect after, in-between formed heat dissipation channel 300 so that gas can be inside battery case through radiating
Channel 300 distributes.
Optionally, bottom cover ontology 100 has opening 140, the setting of 110 adjacent openings 140 of heat release hole.Bottom cover ontology 100
Opening 140 can be formed by side wall 120 and bottom wall 130 in connection, and side wall 120 is three faces, three surface side walls, 120 company of being sequentially connected
There are a sides to export for interface, and side wall 120 forms opening 140 after connecting with chassis 200, and opening 140 is connected to heat dissipation channel 300,
So that the gas in heat dissipation channel 300 is discharged by the opening 140 and heat release hole 110 of heat dissipation channel 300, reach to battery modules
The purpose of heat dissipation.
It should be noted that bottom cover needs to bear the weight of entire battery case, and the weight of battery core mould group when battery case is placed
Amount is general all than heavier, therefore 110 adjacent openings 140 of heat release hole are arranged in setting.It should be noted that in heat release hole
When 110 adjacent openings 140 are arranged, the area of heat release hole 110 can suitably be expanded, to improve heat-sinking capability, in addition to this,
Heat release hole 110 can be designed as multiple apertures, it is under the premise of not influencing bottom cover load-bearing capacity, heat release hole 110 is random
Or equally distributed it is set to bottom cover ontology 100.Gas in heat dissipation channel 300 is in flowing, because 140 areas of opening are larger,
The trend flowed to 140 directions of opening is larger, and therefore, 110 adjacent openings 140 of heat release hole are arranged, are flowed out at opening 140,
Interference when can reduce 110 random distribution of heat release hole to a certain extent to gas flow direction, to reinforce heat-sinking capability.
Fig. 4 and Fig. 5 are please referred to, Fig. 4 is the structural schematic diagram on the chassis 200 that the embodiments of the present invention provide, and Fig. 5 is
The structural schematic diagram for 200 ontology of chassis that the embodiments of the present invention provide.Optionally, through-hole 210 includes first through hole 211
With the second through-hole 212, first through hole 211 and the second through-hole 212 are arranged at intervals at chassis 200, first through hole 211 and the second through-hole
212 are connected to heat dissipation channel 300.First through hole 211 and the second through-hole 212 be it is multiple, multiple first through hole 211 can be with
Machine is distributed in chassis 200, can also be distributed in chassis 200 uniformly or according to certain rule.Multiple second through-holes 212 are successively arranged
Column are set to chassis 200, and the area of multiple second through-holes 212 is sequentially reduced along the direction of gas flow opening 140.
It should be noted that the main effect of first through hole 211 is the positioning on battery modules chassis, while can also play
Certain ventilation heat spreading function, gas heat dissipation are mainly carried out by the second through-hole 212.Second through-hole 212 can be multirow, with three
For the second through-hole of row 212, the area of the second through-hole 212 is sequentially reduced along the direction of gas flow opening 140, that is,
It says, the area of second one end of through-hole 212 far from opening 140 is greater than the area of the second through-hole 212 at opening 140.Gas
Body needs to flow to the external world from opening 140 and close to the heat release hole 110 of opening 140, at far from opening 140, the second through-hole 212
Area is bigger, and gas is also stronger by the ability that chassis 200 enters heat-dissipating space, and the heat dissipation effect of battery case is also better.
Optionally, the second through-hole 212 is rectangle, and the width of multiple second through-holes 212 is constant, and length is sequentially reduced.The bottom of because of
200 limited area of disk interts the second through-hole 212 of setting, the width one of the second through-hole 212 between the first through hole 211 of setting
Determine to be arranged limited under degree, therefore, changes the area of the second through-hole 212 by changing the length of the second through-hole 212.
It is understood that the second through-hole 212 or other shapes, for example, ellipse, oval, diamond shape or circle
?.
Referring to Fig. 6, Fig. 6 is another structural schematic diagram for the battery case bottom cover 10 that the embodiments of the present invention provide.
Optionally, chassis 200 includes 200 ontology of chassis and support portion 230, and 200 ontology of chassis is connect with support portion 230, when chassis 200
When connecting with bottom cover, support portion 230 is supported with bottom cover ontology 100.Support portion 230, which is arranged on 200 ontology of chassis and is located at, to be dissipated
In the passage of heat 300, heat dissipation channel 300 is divided into multinomial channel, is provided on corresponding 200 ontology of chassis in each channel
One the second through-hole of column 212 enters the mobility of multinomial heat dissipation channel 300 to guarantee gas by 200 ontology of chassis.Battery modules
It is set on 200 ontology of chassis, support portion 230 is mutually supported with bottom cover ontology 100, is capable of the weighing of 200 ontology of braced chassis
Ability guarantees the stability of battery modules setting.
Further, bottom cover ontology 100 is provided with the protrusion 240 for being convex to heat dissipation channel 300, protrusion 240 and support portion 230
It offsets.Protrusion 240 can not only offset with support portion 230, and another effect can also increase the strong of bottom cover ontology 100
Degree, so that battery case is more stable in use.
Optionally, protrusion 240 includes the first protrusion 241 and the second protrusion 242, between the first protrusion 241 and the second protrusion 242
Every being set to bottom cover ontology 100, the first protrusion 241 offsets with support portion 230, the further included reinforcing rib of bottom cover ontology 100
250, reinforcing rib 250 is set between the first protrusion 241 and the second protrusion 242.The first protrusion 241 with second raised 242 it
Between be arranged reinforcing rib 250, to reinforce the structural stability of bottom cover ontology 100.
It should be noted that the first protrusion 241 and the second protrusion 242 are arc convex 240, that is to say, that opposite
The other end of protrusion 240 is opposite for groove with protrusion 240.It is again provided with and adds in the groove at the back side of the first protrusion 241
Strengthening tendons 250.It is appreciated that the groove at second raised 242 back sides, and, equally may be used at the understanding of bottom wall 130 and bottom wall 130
Reinforcing rib 250 is arranged.
The present embodiment also provides a kind of battery case, including battery and above-mentioned battery case bottom cover 10, battery case bottom cover 10 include
Bottom cover ontology 100 and chassis 200, bottom cover ontology 100 and the interval of chassis 200 are arranged and form heat dissipation channel 300, and chassis 200 is set
It is equipped with the through-hole 210 being connected to heat dissipation channel 300, bottom cover ontology 100 is provided with the heat release hole 110 being connected to heat dissipation channel 300,
So that gas is successively flowed along through-hole 210, heat dissipation channel 300 and heat release hole 110.Battery case provided in this embodiment, in battery
When temperature rising needs to cool down in case, heat can be distributed in time, guarantee the heat dissipation effect of battery.
Battery case bottom cover 10 and battery case provided in this embodiment the utility model has the advantages that
Battery case bottom cover 10 and battery case provided in this embodiment, battery case bottom cover 10 include bottom cover ontology 100 and chassis
200, chassis 200 is used for placing battery mould group, and heat dissipation channel 300 is formed between bottom cover ontology 100 and chassis 200, with logical
Cross the flowing that heat dissipation channel 300 guarantees gas.In the operating condition, battery in battery case generates heat to battery case, heat from
On moved at chassis 200 down, entered in heat dissipation channel 300 by the through-hole 210 on chassis 200, then pass through bottom cover ontology
Heat release hole 110 on 100 distributes.By flowing of the enhancing air between chassis 200 and bottom cover ontology 100, sky is utilized
Flow of air drives the heat in battery case to distribute, to guarantee the heat dissipation effect of battery in battery case, increase battery uses the longevity
Life.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of battery case bottom cover, which is characterized in that including bottom cover ontology and chassis, the bottom cover ontology and the chassis interval
It is arranged and is formed heat dissipation channel, the chassis is provided with the through-hole being connected to the heat dissipation channel, and the bottom cover ontology is provided with
The heat release hole being connected to the heat dissipation channel, so that gas is successively along the through-hole, the heat dissipation channel and the heat release hole stream
It is dynamic.
2. battery case bottom cover according to claim 1, which is characterized in that the bottom cover ontology includes side wall and bottom wall, institute
It states side wall to connect with the bottom wall, the side wall and the chassis connect and between the bottom wall and the chassis described in formation
Heat dissipation channel, the heat release hole are set to the bottom wall.
3. battery case bottom cover according to claim 1, which is characterized in that the bottom cover ontology has opening, the opening
It is connected to the heat dissipation channel, the heat release hole is arranged adjacent to the opening.
4. battery case bottom cover according to claim 3, which is characterized in that the through-hole includes that first through hole and second are logical
Hole, the first through hole and second through-hole are arranged at intervals at the chassis, and the first through hole and second through-hole are equal
It is connected to the heat dissipation channel.
5. battery case bottom cover according to claim 4, which is characterized in that second through-hole be it is multiple, multiple described the
The area of two through-holes is sequentially reduced along the direction of opening described in gas flow.
6. battery case bottom cover according to claim 5, which is characterized in that second through-hole is rectangle, multiple described the
The width of two through-holes is constant, and length is sequentially reduced.
7. battery case bottom cover according to claim 1, which is characterized in that the chassis includes chassis body and support portion,
The chassis body is connect with the support portion, when the chassis is connect with the bottom cover, the support portion and the bottom cover
Ontology supports.
8. battery case bottom cover according to claim 7, which is characterized in that the bottom cover ontology, which is provided with, is convex to the heat dissipation
The protrusion in channel, the protrusion offset with the support portion.
9. battery case bottom cover according to claim 8, which is characterized in that the protrusion includes that the first protrusion and second are convex
It rises, first protrusion and second bulge clearance are set to the bottom cover ontology, first protrusion and the support portion
It offsets, the further included reinforcing rib of bottom cover ontology, the reinforcing rib is set to first protrusion and second protrusion
Between.
10. a kind of battery case, which is characterized in that the battery case bottom including battery and as described in any one of claim 1-9
Lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277753.3U CN209016167U (en) | 2018-12-29 | 2018-12-29 | Battery case bottom cover and battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277753.3U CN209016167U (en) | 2018-12-29 | 2018-12-29 | Battery case bottom cover and battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016167U true CN209016167U (en) | 2019-06-21 |
Family
ID=66844371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822277753.3U Active CN209016167U (en) | 2018-12-29 | 2018-12-29 | Battery case bottom cover and battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209016167U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444835A (en) * | 2019-08-29 | 2019-11-12 | 蜂巢能源科技有限公司 | Battery pack and vehicle |
| CN112490579A (en) * | 2020-12-16 | 2021-03-12 | 广东和胜新能源汽车配件有限公司 | Battery box |
| CN113540608A (en) * | 2020-03-30 | 2021-10-22 | 荣盛盟固利新能源科技有限公司 | Battery module case lid and battery module case |
-
2018
- 2018-12-29 CN CN201822277753.3U patent/CN209016167U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444835A (en) * | 2019-08-29 | 2019-11-12 | 蜂巢能源科技有限公司 | Battery pack and vehicle |
| CN113540608A (en) * | 2020-03-30 | 2021-10-22 | 荣盛盟固利新能源科技有限公司 | Battery module case lid and battery module case |
| CN112490579A (en) * | 2020-12-16 | 2021-03-12 | 广东和胜新能源汽车配件有限公司 | Battery box |
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