CN105489801B - Chassis quick change battery box - Google Patents
Chassis quick change battery box Download PDFInfo
- Publication number
- CN105489801B CN105489801B CN201510840871.9A CN201510840871A CN105489801B CN 105489801 B CN105489801 B CN 105489801B CN 201510840871 A CN201510840871 A CN 201510840871A CN 105489801 B CN105489801 B CN 105489801B
- Authority
- CN
- China
- Prior art keywords
- liner
- gasket
- box
- lower box
- quick change
- Prior art date
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Classifications
-
- 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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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)
Abstract
The present invention relates to chassis quick change battery boxes.Chassis quick change battery box, including upper box lid, lower box, the liner being fixed in lower box and the sealing structure being arranged between upper box lid and lower box, the sealing structure includes gasket and the connection flanging being arranged on upper box lid, the wall upper surface of the lower box has flat support face, there is the flange with flat support face close fit, the gasket is the plain cushion being arranged between the lower surface of flange and the connection flanging on the side wall of the liner.By setting the flange with flat support face close fit on the side wall of liner, integral smoothness and structural strength can be increased, Reducing distortion, gasket is enable to be fitted close with corresponding sealing mating surface, sealing performance greatly improves, while does not need to set vertical water fender on lower box, is conducive to mitigate overall weight, difficulty of processing is small, and sealing effect is good.
Description
Technical field
The present invention relates to chassis quick change battery boxes.
Background technology
To accelerate new-energy automobile industry development, propulsion energy-saving emission reduction promotes air contaminant treatment, and country puts into effect phase successively
Pass policy encourages Development of Electric Vehicles.At present, electric automobile energy supply mainly has charging and changes electric both of which.Charge mode
It is divided into trickle charge and fast charge, trickle charge charging current is relatively low, about 16A, about 5 to 8 hours charging time, this charging modes
Small to cell damage, charge more abundant, household 220V alternating currents or alternating-current charging pile, but the charging time is long, longer
Waiting process does not meet the use vehicle demand of people.Fast charge charging current is larger, and about 150 to 400A, about 20 minutes charging time
To 2 hours, but battery can be damaged, greatly shorten battery service life, certain impact can be also caused to power grid and filled
The vehicle parking problem of charging is gone in power station before can not also meeting.It can be solved the above problems using power mode is changed.Change power mode master
It is divided into lateral electricity and the chassis changed and changes electric two ways, laterally changes electricity and mainly carry out battery more in vehicle both sides horizontal direction
It changes, considers battery installation number and installation space position, be mainly used for bus and change electricity；Electricity is changed on chassis to be carried out in automobile chassis
Battery altering has counterweight reasonable, the features such as convenient for automation mechanized operation, is widely used.
Application No. is the Chinese patents that 201410292201.3, application publication number is 104112832 A of CN to disclose one kind
Chassis quick change battery box used for electric vehicle, including lower box, upper box lid and the liner being fixed in lower box, lower box includes a left side
Longeron, right vertical beam, preceding sealing plate and rear sealing plate, left and right side longeron include upper and lower side plate and bridge outer between upper and lower side plate
Cant board, the inner end transition far from outer cant board of epipleural are connected with the vertical water fender for being folded upward at extension, lower side panel
It is upper to coordinate with the support portion being connected with liner bottom surface to support liner, the side wall of liner and the vertical water fender block, it erects
The vertical side of straight dash side is concordant with liner and is welded to connect；Upper box lid is respectively arranged on the left side and the right side and the lower box
The corresponding connection flanging of left and right side longeron, the connection flanging and lower box of upper box lid both sides left and right side longeron it is upper
Bolt mounting holes are correspondingly provided on side plate, the upper box lid is installed by being installed on the bolt of the connection flanging and corresponding longeron
Fastening bolt in hole and lower box releasable connection, in the epipleural of upper box lid and the left and right side longeron of the lower box and perpendicular
Gasket is equipped between straight water fender, forms sealing structure, realizes the sealing assembling of upper box lid and lower box.Above-mentioned sealing structure
Although preferable sealing effect can be played, need to form vertical water fender to lower box progress bending, bending structure increases
The total quality of lower box is added, and since lower box needs load-bearing, tank wall is thicker, therefore difficulty of processing is big；In addition, sealing
Pad is needed using L-shaped gasket, and manufacture, maintenance cost are higher.Furthermore since the vertical water fender of setting needs to occupy centainly
Horizontal space in order to ensure the dischargeable capacity of liner, needs to increase the integral level direction size of lower box, is also unfavorable for controlling
Battery case weight.
Invention content
The object of the present invention is to provide a kind of chassis quick change battery box, with solve existing battery case lower box and upper box lid it
Between sealing structure lead to the problem of battery case total quality is big, difficulty of processing is big and L-shaped gasket maintenance cost is higher.
Chassis quick change battery box of the present invention the technical solution adopted is that：Chassis quick change battery box, including upper box lid, nowel
Body, the liner being fixed in lower box and the sealing structure being arranged between upper box lid and lower box, the sealing structure include
Gasket and the connection flanging being arranged on upper box lid, the wall upper surface of the lower box has flat support face, described interior
There is the flange with flat support face close fit, the gasket is is arranged on flange and the connection on the side wall of courage
Plain cushion between the lower surface of flanging.
The connection flanging is equipped with reinforcing rib.
The reinforcing rib is formed by the upper hem of connection flanging end.
The top edge of the side wall of the liner is equipped with outside edge, and the flange is formed by the outside edge.
The outer ledge of the flange is concordant with the outer ledge of the gasket.
The outer ledge of the gasket is located at the inside of the outer ledge of connection flanging.
The present invention has flat support face, the liner using above-mentioned technical proposal, the wall upper surface of the lower box
Side wall on there is flange with flat support face close fit, the gasket is rolled over to be arranged on flange with the connection
Plain cushion between the lower surface on side, by setting the flange with flat support face close fit, Neng Gouzeng on the side wall of liner
Add integral smoothness and structural strength, Reducing distortion enables gasket to be fitted close with corresponding sealing mating surface, leakproofness
It can greatly improve, meanwhile, it compared with prior art, does not need to set vertical water fender on lower box, can avoid keeping off vertically
Water plate occupied space, be conducive to mitigate overall weight, difficulty of processing is small, and using plain cushion form gasket can be realized it is good
Good sealing effect, can reduce gasket maintenance cost.While sealing, liner also is able to through fastening bolt and nowel
The epipleural of body further fixes, while can also improve the overall construction intensity of battery case.
Further, connection flanging is equipped with reinforcing rib, can enhance the intensity of connection flanging, increase itself and gasket
The flatness of mating surface reduces the deformation generated when upper box lid is fixed together with lower box by fastener, improves leakproofness.
Description of the drawings
Fig. 1 is the structure diagram of one embodiment of chassis quick change battery box of the present invention；
Fig. 2 is that battery case shown in Fig. 1 dismantles the structure diagram after upper box lid；
Fig. 3 is the vertical view of battery case shown in Fig. 1；
Fig. 4 is sectional view at A-A in Fig. 3；
Fig. 5 is the structure diagram of the right-hand stringer of the babinet of battery case shown in Fig. 1；
Fig. 6 is the structure diagram of mounting bracket in Fig. 5；
Fig. 7 is the structure diagram of the lower box with liner in battery case shown in Fig. 1；
Fig. 8 is the structure diagram of liner in Fig. 7.
Specific embodiment
In the present invention one embodiment of chassis quick change battery box as shown in Figures 1 to 8, the battery luggage in the embodiment
Including lower box 2 and upper box lid 1, lower box 2 and upper box lid 1 form sealing space, after the upper box lid 1 for opening battery case, Ke Yicun
The battery unit being placed in battery case, battery unit include battery modules 3, positioned at front end high potential assembly 4, be used for and Automobile
The connector plug 5 of body end socket docking, battery management system 6, heating tape etc., after battery case is attached to vehicle chassis, electricity
Connector plug 5 and vehicle end socket on the case of pond is mating, is supplied so as to fulfill to the electric energy of electric vehicle.
The upper box lid 1 of battery case is process by the mode of the bending of cold rolling metal plate, local welding, the left and right two of upper box lid 1
Side is respectively equipped with connection flanging 24, and connection flanging 24 is narrow side structure, is equipped with what is be distributed along the longitudinal direction in connection flanging 24
Screw mounting hole, the front end of upper box lid 1 is convex, to increase the arrangement space of battery case.
It is horizontal that the lower box of battery case includes the front side of left-hand stringer 7, right-hand stringer 8 and bridge joint between left and right side longeron
Beam 10, rear-side cross member 11, left-hand stringer 7, right-hand stringer 8, front side crossbeam 10, rear-side cross member 11 surround quadrangle peripheral frame, are enclosing
Top is installed in frame in hatch frame for installing the liner 9 of battery unit, the top that the lid of upper box lid 1 is located at liner 9 is opened
Mouthful at and with 2 removable sealed connection of lower box.
Left and right side longeron respectively includes the outer cant board of epipleural 40, lower side panel 41 and bridge joint between upper and lower side plate
42.Epipleural 40 is tablet, and upper surface forms flat support face.There is the bottom surface with liner 9 to be connected to prop up on lower side panel 41
The support portion 410 of liner 9 is supportted, the width of support portion 410 is more than the width of epipleural 40, so as to inwardly projecting arrangement, in this way, will
After liner is placed on support portion 410, the power suffered by liner 9 can be transmitted on left and right side longeron, effectively support electricity
The weight of pond case.Liner 9 include be spaced apart in left-right direction left side wall 30, right side wall 22 and bridge joint left and right side walls it
Between forward and backward side wall, the top edge of the side wall of liner 9 is equipped with outside edge 91, formed and closed with the flat support face paste of epipleural 40
The flange of cooperation.The lower part of upper box lid 1 is equipped with connection flanging 24, and correspondence is set on 2 flat support face of connection flanging 24 and lower box
There are bolt mounting holes, upper box lid 1 passes through the fastening bolt 43 being installed in bolt mounting holes and 2 releasable connection of lower box.Assembling
When, gasket 25 is pasted in the outside edge of liner 9, for example, by using dispenser point glue, is then buckled in down upper box lid 1
It on babinet 2, and is fastened by fastening bolt 43, certainly, setting bolt is also needed in the outside edge 91 of liner 9 and gasket 25
Mounting hole, in this way, the connection flanging 24 of upper box lid 1 and the outside edge 91 of liner, by 25 pinch seal of gasket, formation sealing connects
Binding structure realizes the sealing assembling of upper box lid and lower box, prevents water, dust from entering liner.Since the flanging of liner can be with
The flat support face of epipleural 40 coordinates and increases integral smoothness and structural strength, Reducing distortion, therefore can make gasket
25 can be fitted close with corresponding sealing mating surface, and sealing performance greatly improves.Meanwhile connection flanging 24 is equipped with upper hem
241, upper hem 241 forms reinforcing rib, can enhance the intensity of connection flanging 24, increases the flat of its mating surface with gasket 25
Whole degree reduces when upper box lid 1 is fixed together with lower box 2 by fastener and supports the deformation generated during battery pack, equally
Leakproofness can be improved.While sealing, liner can be further fixed by fastening bolt 43 and the epipleural 40 of lower box,
The overall construction intensity of battery case can be also improved simultaneously.In order to better ensure that sealing performance, the outer ledge of outside edge 91
Concordant with the outer ledge of gasket 25, the outer ledge of gasket 25 is located at the inside of the outer ledge of connection flanging 24.
The left and right side walls of liner 9 respectively include front side wall section 221, rear wall section 223 and transition connection wall section 222, before two
The spacing for being smaller than two rear wall sections 223 between side wall sections 221 causes liner 9 to form variable cross-section knot in the longitudinal direction
Structure, the left and right side walls of the liner are corresponding with the left and right side longeron of lower box respectively to be connected, in the left and right side walls of liner 9
Front side wall section 221, rear wall section 223 and transition connection wall section 222 are respectively equipped with plug welding hole 31.The Front-end Design of liner 9 is tool
There is the ramped shaped of set angle, increase the passability of vehicle, ramped shaped reinforcing rib 23 is lined on the inside of the slope of liner 9, strengthen
There is welded nut on muscle 23, first, for installing lower box internal high pressure component, second is that when vehicle passes through special road section, extreme feelings
When condition lower box front end collides, ensure that lower box front end is indeformable, avoid squeezing electrical equipment, ensure safety.In liner 9
Bottom is welded with cross reinforcing 27, and cross reinforcing 27 is notch spiral-lock directed downwardly in the long slot structure of liner at the bottom, elongated slot
The lower end of the both sides wall of the cross reinforcing 27 of structure is respectively provided with outwardly extending bending, two bendings point of cross reinforcing
It is not connected with the welding of the bottom of the liner 9, conducive to better distribution battery modules weight, avoids liner after module is fixed
There is larger depressed deformation in bottom surface, is additionally provided on the both sides wall of the cross reinforcing 27 of long slot structure and is distributed in left-right direction
Loss of weight heat emission hole 271, first, for loss of weight, second is that unobstructed conducive to air-flow, ensure bottom-heated band even heat, side is equipped with
Screw is welded, for installing bottom-heated band, top is used to fix battery modules equipped with welded nut.
The lifting twist lock 12 with the suspended fixing hole cooperation on automobile chassis is respectively provided on left and right side longeron,
The lifting twist lock 12 described in two is respectively equipped on left and right side longeron, the height of two lifting twist locks is according to vehicle chassis crossbeam
Forward and backward height difference determines that, due to beam strength highest two big in vehicle chassis architecture, locking is most reliable, so corresponding on crossbeam
It opens slotted hole and installs latch additional and do local strengthening in position.Lifting twist lock 12 passes through the installation that is installed in the cavity of corresponding longeron
Stent 14 is assemblied in the left and right side longeron, mounting bracket 14 have the first connecting portion that is connected with corresponding longeron and with
The second connecting portion that corresponding lifting twist lock is connected.Mounting bracket 14 includes vertical plates on both sides 17 and bridge joint between vertical plates on both sides
Riser 15 and intermediate transverse slat 16 are bridged, vertical plates on both sides 17, bridge joint riser 15 and intermediate transverse slat 16 surround cavity, and lifting twist lock 12 wraps
Include being used for of being pierced by the mounting seat 122 in the cavity and the perforation being correspondingly provided with from intermediate transverse slat 16 and automobile
The rotating rod lock 121 of suspended fixing hole cooperation on chassis, the second connecting portion are arranged on intermediate transverse slat 16, the installation
Pedestal 122 and second connecting portion are connected to realize being connected for lifting twist lock 12 and mounting bracket 14.
The first connecting portion of mounting bracket 14 includes the side end face for deviating from the bridge joint riser 15 of the vertical plates on both sides 17,
The side end face of vertical plates on both sides 17 is connected with the inner peripheral surface welding of corresponding longeron, and bridges left and right sidewall of the riser 15 then with liner 9
Plug welding is welded.
Lightening hole is offered respectively in the vertical plates on both sides 17 of mounting bracket 14.Connect in vertical plates on both sides 17 and intermediate transverse slat 16
The place of connecing is installed with the stiffener plate 18 for preventing the deformation of intermediate transverse slat, the two sides of stiffener plate 18 respectively with intermediate transverse slat 16
And the corresponding welding of cant board 17 is connected.And one end of intermediate transverse girder 16 with the bridge joint riser 15 is connected, the other end sets
There is drainage technology hole, prevent groove internal water accumulation.
Reasonable direction during in view of installation battery case, guide sleeve 19 is designed in battery case diagonal position, due to leading
Xiang Shi, 19 part of guide sleeve, in order to avoid deforming, the reinforcement of " L " shape can be increased on 19 both sides of guide sleeve by very big power
Muscle 20.
Since the spacing for being smaller than two rear wall sections between two front side wall sections of liner 9 causes liner 9 in front and back
Variable section structure is upwardly formed, the left and right side walls of the liner 9 are corresponding with the left and right side longeron of lower box 2 respectively to be connected, institute
It states left and right side longeron and is respectively provided with wide beam section 100 corresponding with the front side wall section of the corresponding side wall of the liner, with corresponding to side wall
The corresponding narrow beam section 300 of rear wall section and transition connection beam section 200, respectively at wide beam section in the cavity of left and right side longeron
100 and transition connection beam section 200 connect the transition junction of beam section 200 and narrow beam section 300 with transition equipped with reinforcing plate 21.
In the above-described embodiments, the top edge of the side wall of liner is equipped with outside edge, and the flange is by the outside edge shape
Into.In other embodiments of the invention, the flange on side wall of inner can also be formed using other modes, such as in liner
Annular slab of the circle perpendicular to upper and lower directions is welded and fixed on side wall, by annular slab as flange, which can fix
Position between the opening of liner or side wall of inner top bottom.
In the above-described embodiments, the end of the connection flanging of upper box lid is provided with upper hem and forms reinforcing rib, at other
In embodiment, which can also replace with other forms, such as the structure of clapping in the end of connection flanging setting reflexed,
Double-layer structure is formed, fin etc. is set in connection flanging for another example, can form reinforcing rib, improves connection flanging intensity,
It prevents from deforming, improves sealing effect.
Claims (5)
1. chassis quick change battery box including upper box lid, lower box, the liner being fixed in lower box and is arranged on upper box lid under
Sealing structure between babinet, the sealing structure include gasket and the connection flanging being arranged on upper box lid, and feature exists
In：The wall upper surface of the lower box has flat support face, has and the flat support face on the side wall of the liner
The flange of close fit, the gasket are the plain cushion being arranged between the lower surface of flange and the connection flanging, described interior
The top edge of the side wall of courage is equipped with outside edge, and the flange is formed by the outside edge, and the lower part of upper box lid is equipped with connection and rolls over
Bolt mounting holes are correspondingly provided on side, connection flanging and lower box flat support face, upper box lid is by being installed on bolt mounting holes
In fastening bolt and lower box releasable connection, be equally provided with bolt mounting holes, top box in the outside edge and gasket of liner
Gasket pinch seal is formed Hermetical connecting structure by the connection flanging of lid and the outside edge of liner.
2. chassis quick change battery box according to claim 1, it is characterised in that：The connection flanging is equipped with reinforcing rib.
3. chassis quick change battery box according to claim 2, it is characterised in that：The reinforcing rib is by connection flanging end
Upper hem formed.
4. the chassis quick change battery box according to claims 1 or 2 or 3, it is characterised in that：The outer ledge of the flange with
The outer ledge of the gasket is concordant.
5. the chassis quick change battery box according to claims 1 or 2 or 3, it is characterised in that：The outer ledge of the gasket
Positioned at the inside of the outer ledge of connection flanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510840871.9A CN105489801B (en) | 2015-11-27 | 2015-11-27 | Chassis quick change battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510840871.9A CN105489801B (en) | 2015-11-27 | 2015-11-27 | Chassis quick change battery box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105489801A CN105489801A (en) | 2016-04-13 |
| CN105489801B true CN105489801B (en) | 2018-07-03 |
Family
ID=55676650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510840871.9A Active CN105489801B (en) | 2015-11-27 | 2015-11-27 | Chassis quick change battery box |
Country Status (1)
| Country | Link |
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| CN (1) | CN105489801B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237885B (en) * | 2016-12-26 | 2022-03-08 | 上海同捷科技股份有限公司 | Automobile battery supporting plate assembly structure |
| CN108923058A (en) * | 2018-07-13 | 2018-11-30 | 武汉孚安特科技有限公司 | Ultra-thin soft-package battery sealing machine end enclosure structure |
| CN109552023A (en) * | 2019-01-18 | 2019-04-02 | 北京汽车股份有限公司 | Quick battery-changing device for vehicle and the vehicle with it |
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| CN102139624A (en) * | 2011-03-07 | 2011-08-03 | 重庆长安汽车股份有限公司 | Step-striding fixing structure for automobile storage battery |
| CN103066225A (en) * | 2013-01-24 | 2013-04-24 | 东风汽车公司 | Power battery pack assembly structure of all-electric vehicle |
| CN103094507A (en) * | 2013-01-22 | 2013-05-08 | 力帆实业(集团)股份有限公司 | Quick-change battery box of electric vehicle |
| CN203544151U (en) * | 2013-10-31 | 2014-04-16 | 东风汽车公司 | Rear floor structure of hybrid electric vehicle |
| CN104112832A (en) * | 2014-06-26 | 2014-10-22 | 许继电气股份有限公司 | Chassis quick-changing battery box for electric automobile |
-
2015
- 2015-11-27 CN CN201510840871.9A patent/CN105489801B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139624A (en) * | 2011-03-07 | 2011-08-03 | 重庆长安汽车股份有限公司 | Step-striding fixing structure for automobile storage battery |
| CN103094507A (en) * | 2013-01-22 | 2013-05-08 | 力帆实业(集团)股份有限公司 | Quick-change battery box of electric vehicle |
| CN103066225A (en) * | 2013-01-24 | 2013-04-24 | 东风汽车公司 | Power battery pack assembly structure of all-electric vehicle |
| CN203544151U (en) * | 2013-10-31 | 2014-04-16 | 东风汽车公司 | Rear floor structure of hybrid electric vehicle |
| CN104112832A (en) * | 2014-06-26 | 2014-10-22 | 许继电气股份有限公司 | Chassis quick-changing battery box for electric automobile |
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| Publication number | Publication date |
|---|---|
| CN105489801A (en) | 2016-04-13 |
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