CN105514311B - A kind of battery pack case and the battery bag with the battery pack case - Google Patents
A kind of battery pack case and the battery bag with the battery pack case Download PDFInfo
- Publication number
- CN105514311B CN105514311B CN201510889938.8A CN201510889938A CN105514311B CN 105514311 B CN105514311 B CN 105514311B CN 201510889938 A CN201510889938 A CN 201510889938A CN 105514311 B CN105514311 B CN 105514311B
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- CN
- China
- Prior art keywords
- battery
- upper shell
- pack case
- battery pack
- lower house
- Prior art date
- 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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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of battery pack case and with the battery pack case battery bag, belong to vehicle power field.The battery pack case includes housing and the skeleton for carrying battery modules, housing includes the upper shell and lower house being fixed together, sealing structure is provided between upper shell and lower house, skeleton is located in lower house, battery modules are set up in upper shell by skeleton, and the depth of upper shell is more than the height of battery modules.The height of battery modules is more than by the depth of upper shell, battery modules are erected in upper shell, sealing ring is set between upper shell and lower house, so that when paddling in short-term, due to the relation of upper shell air pressure inside, water can not enter inside battery bag from positioned at the gap of battery bag lower position, the battery modules region of upper shell can not be also reached even if there is part to enter, battery bag infiltration when paddling in short-term is avoided, causes battery modules short circuit or reduces the situation in the life-span of battery modules.
Description
Technical field
The present invention relates to vehicle power field, more particularly to a kind of battery pack case and the battery with the battery pack case
Bag.
Background technology
Electric automobile refers to using vehicle power as power, with the vehicle of power wheel traveling.Due to use electric energy
The non-fossil energy does power, therefore the relatively conventional automobile of effect on environment is small, and its prospect is had an optimistic view of extensively.
The vehicle power of electric automobile is usually battery bag, and battery bag is typically made up of shell and battery modules two parts,
Battery modules are set up inside the housing by skeleton, and shell plays a part of protecting battery modules, for example, preventing liquid from entering
Inside battery bag.
In most cases, liquid will not enter inside battery bag, but when automobile in need can paddle unavoidably, this
May occur liquid when individual into the situation inside battery bag, liquid once to enter inside battery bag, it is possible to cause
Battery modules short circuit or the life-span for reducing battery modules.
The content of the invention
Be likely to occur to solve electric automobile when paddling liquid into cause inside battery bag battery modules short circuit or
It is that the problem of reducing the life-span of battery modules, the embodiments of the invention provide a kind of battery pack case and there is the battery pack case
Battery bag.The technical scheme is as follows：
On the one hand, there is provided a kind of battery pack case, the battery pack case include housing and for carrying battery modules
Skeleton, the housing includes the upper shell and lower house that are fixed together, between the upper shell and the lower house
Sealing structure is provided with, cooling system interface and card i/f are provided with the housing, the skeleton is located at the lower house
In, the battery modules are set up in the upper shell by the skeleton, and the depth of the upper shell is more than the battery mould
The height of group.
Specifically, the sealing structure is sealing ring.
Preferably, upper overturning is provided with the upper shell, is provided with lower flange on the lower house, the upper overturning and
The lower flange is oppositely arranged in parallel, and the sealing structure is located between the upper overturning and the lower flange.
Alternatively, the upper overturning is fixedly connected with the lower flange by screw bolt and nut, so as to by the upper shell
It is fixed together with the lower house.
Preferably, the outer side edges of the upper overturning are provided with bending rib, described to bend outside of the rib by the upper overturning
While formed towards lower house side bending.
Further, the bending rib extends beyond the sealing structure from the upper overturning.
Preferably, vertical baffle is provided with the lower house, the vertical baffle is located at the enclosure interior, described perpendicular
The height of straight baffle plate is more than the thickness of the sealing structure.
Further, the vertical baffle is close to the inwall setting of the upper shell.
Preferably, the cooling system interface and the card i/f are on the lower house.
On the other hand, there is provided a kind of battery bag, the battery bag include battery pack case and battery modules, the battery
Incrustation is foregoing battery pack case.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The height of battery modules is more than by the depth of upper shell, battery modules are erected in upper shell, in upper shell
Sealing ring is set between lower house so that when paddling in short-term, due to the relation of upper shell air pressure inside, water can not from positioned at
Enter in the gap of battery bag lower position inside battery bag, can not also be reached even if there is part water to enter in battery pack housing
The battery modules region of housing, battery bag infiltration when paddling in short-term is avoided, cause battery modules short circuit or reduce battery
The situation in the life-span of module.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of structural representation of battery pack housing provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of lower house provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of support provided in an embodiment of the present invention；
Fig. 4 is a kind of seal ring structure schematic diagram of card i/f provided in an embodiment of the present invention；
Fig. 5 is a kind of seal ring structure schematic diagram of cooling system interface provided in an embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiments of the invention provide a kind of battery pack case, and referring to Fig. 1, the battery pack case includes housing and is used for
The skeleton 400 (see Fig. 3) of battery modules is carried, housing includes upper shell 110 and lower house 120, upper shell 110 and lower house
Sealing structure 200 is provided between 120, referring to Fig. 2, cooling system interface 123 and card i/f 124, bone are provided with housing
Frame 400 is located in lower house 120, and battery modules are set up in upper shell 110 by skeleton 400, and the depth of upper shell 110 is more than
The height of battery modules.
The embodiment of the present invention is more than the height of battery modules by the depth of upper shell, and battery modules are erected at into upper shell
In, sealing ring is set between upper shell and lower house so that when paddling in short-term, due to the relation of upper shell air pressure inside,
Water can not enter inside battery bag from positioned at the gap of battery bag lower position, and upper casing can not be also reached even if there is part to enter
The battery modules region of body, battery bag infiltration when paddling in short-term is avoided, cause battery modules short circuit or reduce battery mould
The situation in the life-span of group.
It should be noted that height signified in the present embodiment, which is battery bag, assembles rear stand in level ground, the portion
The size of part in the vertical direction.
During specific implementation, sealing structure 200 is sealing ring, and sealing ring can select EPDM (Ethylene Propylene
Diene Monomer, ethylene propylene diene rubber) rubber or EPDM bipeltates.
Preferably, upper overturning 111 is provided with upper shell 110, lower flange 121, upper overturning are provided with lower house 120
111 and lower flange 121 be oppositely arranged in parallel, sealing structure 200 is located between upper overturning 111 and lower flange 121, by above turning over
Side 111 and lower flange 121 increase the area of sealing surface, prevent liquid from entering by sealing surface inside battery bag.
Alternatively, mounting hole, the He of upper overturning 111 are correspondingly arranged in upper overturning 111, lower flange 121 and sealing structure 200
Lower flange 121 is fixedly connected using screw bolt and nut by the mounting hole, so as to which upper shell and lower house are fixed together, is led to
Screw bolt and nut pressing sealing structure 200 is crossed, prevents liquid from entering by sealing surface inside battery bag.
It should be noted that upper shell 110 and lower house 120 can also connect by other means, connection side used
Formula allows for pressing sealing structure 200, prevents liquid from entering by sealing surface inside battery bag.
Preferably, the outer side edges of upper overturning 111 are provided with bending rib 112, bend outside of the rib 112 by upper overturning 111
While formed towards the bending of the side of lower house 120.
Further, bending rib 112 extends beyond sealing structure 200 from upper overturning 111, by bending rib 112
The liquid for preventing from being dropped on upper overturning 111 flows into upper overturning 111 and sealing structure 200 or lower flange 121 and sealing structure 200
Between sealing surface in, the liquid that makes to be dropped on upper overturning 111 directly drips along bending rib 112.
Preferably, vertical baffle 122 is provided with lower house 120, vertical baffle 122 is located at enclosure interior, vertical baffle
122 height is more than the thickness of sealing structure 200,
Further, vertical baffle 122 is close to the inwall setting of upper shell 110, even if vertical baffle 122 causes there is liquid
Along sealing towards battery bag internal penetration, also cannot be introduced into inside battery bag, while closing up upper shell 110 and lower house
When 120, vertical baffle 122 plays spacing effect, is advantageous to the mounting hole that aligns.
Preferably, as shown in Fig. 2 cooling system interface 123 and card i/f 124 are on lower house 120, cooling system
Interface 123 is the opening for being used to install forced air cooled tube or the cold pipe of liquid on housing, and card i/f 124 is for battery modules and outside device
The opening that part is electrically connected and set on housing, each opening, which is arranged on lower house 120, can strengthen the close of upper shell 110
Envelope degree.
Preferably, as shown in figure 3, skeleton 400 is frame structure, for supporting battery modules, air cooling system is being used
In battery bag, deep bead 401 should be provided with skeleton 400, deep bead 401 can change airflow direction, make airflow passes upper casing
The battery modules of body, strengthen radiating effect.
It should be noted that skeleton 400 is also designed to other structures, but there should be enough structural strengths to support electricity
Pond module.
Preferably, as shown in figure 4, being provided with sealing ring 320 in card i/f 124, sealing ring 320 is tubular structure,
The sealed groove 321 of annular is provided with the outer wall of tubular structure, sealing ring 320 is fastened on plug-in unit by sealed groove 321 and connect
In mouth 124, sealing ring 320 is interference fit with card i/f 124, to strengthen the seal degree of joint.
Preferably, as shown in figure 5, being provided with sealing ring 520 in cooling system interface 123, sealing ring 520 is square tubulose
Structure, has sealed groove 521 on the outer wall of sealing ring 520, and sealing ring 520 is fastened on cooling system by sealed groove 521
In interface 123, sealing ring 520 is interference fit with cooling system interface 123, to strengthen the seal degree of joint.
It should be noted that sealing ring 320 and sealing ring 520 are it can also be provided that other shapes, are opened up with cooperation
The card i/f 124 and cooling system interface 123 of other shapes.
Alternatively, cooling system includes air cooling system and liquid cooling system, in same set of battery bag, generally only from a kind of
Cooling system, battery bag inside is radiated by cooling system.
It should be noted that when using air cooling system, the blast pipe mouth of pipe and the discharge pipe mouth of pipe of forced air cooled tube should be set
In the position of at least above sealing surface of upper shell 110 and lower house 120, to prevent that water passes through forced air cooled tube when paddling in short-term
Into inside battery bag.
Preferably, upper shell 110 is made usually using the welding of more block of material, when being welded upper shell 110, upper shell 110
Weld seam the weld seam of upper shell 110 need to be sealed, the seal degree of upper shell can be increased, effectively by sealant sealing
Prevent liquid from penetrating into inside battery bag.
The embodiment of the present invention additionally provides a kind of battery bag, and the battery bag includes battery modules and embodiment illustrated in fig. 1
In battery pack case.
The embodiment of the present invention from the battery pack case in embodiment illustrated in fig. 1, the depth of upper shell by being more than battery
The height of module, battery modules are erected in upper shell, sealing ring are set between upper shell and lower house so that in short-term
When paddling, due to the relation of upper shell air pressure inside, water can not enter battery bag from positioned at the gap of battery bag lower position
Inside, the battery modules region of upper shell can not be also reached even if there is part to enter, battery bag when paddling in short-term is avoided and oozes
Water, cause battery modules short circuit or reduce the situation in the life-span of battery modules.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (6)
1. a kind of battery pack case, the battery pack case includes housing and the skeleton for carrying battery modules, the housing
Including the upper shell and lower house being fixed together, sealing structure is provided between the upper shell and the lower house,
Characterized in that, the skeleton is located in the lower house, the battery modules are set up in the upper shell by the skeleton
In, the depth of the upper shell is more than the height of the battery modules；
Upper overturning is provided with the upper shell, lower flange, the upper overturning and the lower flange are provided with the lower house
It is oppositely arranged in parallel, the sealing structure is located between the upper overturning and the lower flange；
Vertical baffle is provided with the lower house, the vertical baffle is located at the enclosure interior, the height of the vertical baffle
Thickness of the degree more than the sealing structure；
The inwall that the vertical baffle is close to the upper shell is set；
Cooling system interface and card i/f are on the lower house；
The skeleton is frame structure, when the battery bag is the battery bag using air cooling system, is provided with the skeleton
Deep bead, the deep bead are used to change airflow direction, make the battery modules of airflow passes upper shell.
2. battery pack case according to claim 1, it is characterised in that the sealing structure is sealing ring.
3. battery pack case according to claim 1, it is characterised in that the upper overturning and the lower flange pass through bolt
It is fixedly connected with nut, so as to which the upper shell and the lower house are fixed together.
4. battery pack case according to claim 1, it is characterised in that the outer side edges of the upper overturning are provided with bending and kept off
Side, the bending rib are formed by the outer side edges of the upper overturning towards lower house side bending.
5. battery pack case according to claim 4, it is characterised in that the bending rib extends to from the upper overturning
More than the sealing structure.
6. a kind of battery bag, the battery bag includes battery pack case and battery modules, it is characterised in that the battery pack case
For the battery pack case as described in claim any one of 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510889938.8A CN105514311B (en) | 2015-11-30 | 2015-11-30 | A kind of battery pack case and the battery bag with the battery pack case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510889938.8A CN105514311B (en) | 2015-11-30 | 2015-11-30 | A kind of battery pack case and the battery bag with the battery pack case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105514311A CN105514311A (en) | 2016-04-20 |
| CN105514311B true CN105514311B (en) | 2018-03-16 |
Family
ID=55722126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510889938.8A Active CN105514311B (en) | 2015-11-30 | 2015-11-30 | A kind of battery pack case and the battery bag with the battery pack case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105514311B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016222088A1 (en) * | 2016-11-10 | 2018-05-17 | Robert Bosch Gmbh | Joining process for the production of a battery and battery |
| CN112002846B (en) * | 2020-09-08 | 2022-03-11 | 北京未来智酷汽车科技有限公司 | Battery container, fire extinguishing method for battery of battery container, and vehicle |
| KR20220051561A (en) * | 2020-10-19 | 2022-04-26 | 주식회사 엘지에너지솔루션 | Battery pack housing with fire suppression structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4225655A (en) * | 1979-04-10 | 1980-09-30 | Louis Pesce | Watertight battery box |
| CN101237033A (en) * | 2007-02-02 | 2008-08-06 | 广州市展辉电子有限公司 | Shakeproof and dampproof dynamic battery unit |
| CN203150622U (en) * | 2013-01-24 | 2013-08-21 | 东风汽车公司 | Automotive power battery pack shell sealing structure |
| CN103928645A (en) * | 2014-05-09 | 2014-07-16 | 天津雅迪实业有限公司 | Battery box and battery device for electric vehicle |
| CN104201435A (en) * | 2014-08-29 | 2014-12-10 | 普天新能源车辆技术有限公司 | Sealed liquid-cooling lithium ion battery pack |
-
2015
- 2015-11-30 CN CN201510889938.8A patent/CN105514311B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4225655A (en) * | 1979-04-10 | 1980-09-30 | Louis Pesce | Watertight battery box |
| CN101237033A (en) * | 2007-02-02 | 2008-08-06 | 广州市展辉电子有限公司 | Shakeproof and dampproof dynamic battery unit |
| CN203150622U (en) * | 2013-01-24 | 2013-08-21 | 东风汽车公司 | Automotive power battery pack shell sealing structure |
| CN103928645A (en) * | 2014-05-09 | 2014-07-16 | 天津雅迪实业有限公司 | Battery box and battery device for electric vehicle |
| CN104201435A (en) * | 2014-08-29 | 2014-12-10 | 普天新能源车辆技术有限公司 | Sealed liquid-cooling lithium ion battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105514311A (en) | 2016-04-20 |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180530 Address after: 241000 Huajing South Road, Yijiang District, Wuhu, Anhui 226 Patentee after: New-energy automobile Technology Co., Ltd. of Cherry Address before: 241006 Changchun Road, Wuhu economic and Technological Development Zone, Wuhu, Anhui, 8 Patentee before: Saic Chery Automobile Co., Ltd. |
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| TR01 | Transfer of patent right | ||
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Address after: 241001 No. 226 Huajin South Road, Wuhu High-tech Industrial Development Zone, Wuhu City, Anhui Province Patentee after: Chery New Energy Automobile Co.,Ltd. Address before: 241000 No. 226 Hua Jin South Road, Yijiang District, Anhui, Wuhu Patentee before: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |