CN105489801A - Quick-changing battery box for chassis - Google Patents
Quick-changing battery box for chassis Download PDFInfo
- Publication number
- CN105489801A CN105489801A CN201510840871.9A CN201510840871A CN105489801A CN 105489801 A CN105489801 A CN 105489801A CN 201510840871 A CN201510840871 A CN 201510840871A CN 105489801 A CN105489801 A CN 105489801A
- Authority
- CN
- China
- Prior art keywords
- flanging
- lower box
- chassis
- inner bag
- sealing gasket
- 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
-
- 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 invention relates to a quick-changing battery for a chassis. The quick-changing battery for the chassis comprises an upper box cover, a lower box body, an inner container fixed in the lower box body and a sealing structure arranged between the upper box cover and the lower box body, wherein the sealing structure comprises a sealing gasket and a connecting flanging arranged on the upper box cover; the upper surface of the side wall of the lower box body is provided with a smooth supporting surface; the side wall of the inner container is provided with a flange matched with the smooth supporting surface in an attached manner; and the sealing gasket is a flat gasket arranged between the flange and the lower surface of the connecting flanging. The flange matched with the smooth supporting surface in an attached manner is arranged on the side wall of the inner container, the integral smoothness and structural strength can be increased, and the deformation is reduced, so that the sealing gasket can be in tight fit with a corresponding sealing matching surface, and the sealing performance is greatly improved; and moreover, a vertical water blocking plate does not need to be arranged on the lower box body, so that the reduction of overall weight is facilitated, the processing difficulty is low, and the sealing effect is good.
Description
Technical field
The present invention relates to chassis quick change battery box.
Background technology
For accelerating new-energy automobile industry development, propulsion energy-saving reduces discharging, and promotes air contaminant treatment, and country puts into effect relevant policies successively and encourages Development of Electric Vehicles.At present, electric automobile energy supply mainly contains charging and changes electricity two kinds of patterns.Charge mode is divided into trickle charge and fills soon, trickle charge charging current is relatively low, be approximately 16A, about 5 to 8 hours charging intervals, this charging modes is little to cell damage, and charge ratio is comparatively abundant, family expenses 220V civil power or alternating-current charging pile, but the charging interval is long, what longer waiting process did not meet people uses car demand.Fill charging current soon larger, about 150 to 400A, about 20 minutes to 2 hours charging interval, but damage can be caused to battery, greatly shorten battery service life, also can cause certain impact to electrical network and charging station goes the storing cycle problem of charging before also cannot meeting.Employing is changed power mode and can be solved the problem.Changing power mode is mainly divided into side direction to change electricity and electricity two kinds of modes are changed on chassis, and side direction is changed electricity and mainly carried out battery altering in vehicle both sides horizontal direction, considers battery installation quantity and installing space position, is mainly used in bus and changes electricity; It is carry out battery altering at automobile chassis that electricity is changed on chassis, has counterweight reasonable, is convenient to the features such as automation mechanized operation, is widely used.
Application number is 201410292201.3, application publication number is that the Chinese patent of CN104112832A discloses a kind of chassis used for electric vehicle quick change battery box, comprise lower box, upper box lid and the inner bag be fixed in lower box, lower box comprises left longeron, right vertical beam, front shrouding and rear shrouding, left, right-hand stringer comprises, lower side panel and bridge joint are upper, outer cant board between lower side panel, the inner end transition away from outer cant board of epipleural is connected with the vertical water fender upwards bending extension, lower side panel has the support portion being connected to support inner bag with inner bag bottom surface, the sidewall of inner bag coordinates with described vertical water fender block, the vertical side on vertical dash limit is concordant with inner bag and be welded to connect, the left and right sides of upper box lid is respectively equipped with the connection flanging corresponding with the left and right side longeron of described lower box, on the epipleural of the connection flanging of upper box lid both sides and the left and right side longeron of described lower box, correspondence is provided with bolt mounting holes, described upper box lid is by being installed on fastening bolt in the bolt mounting holes of described connection flanging and corresponding longeron and lower box releasable connection, the left and right side longeron of upper box lid and described lower box epipleural and be vertically provided with sealing gasket between water fender, form hermetically-sealed construction, realize the sealing assembling of upper box lid and lower box.Although above-mentioned hermetically-sealed construction can play good sealing effectiveness, need to carry out bending to lower box and form vertical water fender, bending structure adds the total quality of lower box, and needs load-bearing due to lower box, and tank wall is thicker, and therefore difficulty of processing is large; In addition, sealing gasket needs to adopt L shape sealing gasket, manufactures, maintenance cost is higher.Moreover, because the vertical water fender arranged needs to take certain horizontal space, in order to ensure the dischargeable capacity of inner bag, needing the integral level direction size increasing lower box, being also unfavorable for controlling battery case weight.
Summary of the invention
The object of this invention is to provide a kind of chassis quick change battery box, cause that battery case total quality is large with the hermetically-sealed construction solved between existing battery case lower box and upper box lid, the large and problem that L shape sealing gasket maintenance cost is higher of difficulty of processing.
The technical scheme that chassis of the present invention quick change battery box adopts is: chassis quick change battery box, comprise upper box lid, lower box, the hermetically-sealed construction that is fixed on the inner bag in lower box and is arranged between upper box lid and lower box, described hermetically-sealed construction comprises sealing gasket and is arranged on the connection flanging on upper box lid, the wall upper surface of described lower box has flat support face, the sidewall of described inner bag has the flange with described flat support face close fit, described sealing gasket is be arranged on the plain cushion between flange with the described lower surface being connected flanging.
Described connection flanging is provided with reinforcement.
Described reinforcement is formed by the upper hem connecting flanging end.
The top edge of the sidewall of described inner bag is provided with outer flanging, and described flange is formed by described outer flanging.
The outer ledge of described flange is concordant with the outer ledge of described sealing gasket.
The outer ledge of described sealing gasket is positioned at the inner side of the outer ledge connecting flanging.
The present invention adopts technique scheme, the wall upper surface of described lower box has flat support face, the sidewall of described inner bag has the flange with described flat support face close fit, described sealing gasket is be arranged on the plain cushion between flange with the described lower surface being connected flanging, by arranging the flange with flat support face close fit on the sidewall of inner bag, integral smoothness and structural strength can be increased, Reducing distortion, sealing gasket is closely cooperated with the corresponding face of being sealed and matched, sealing property improves greatly, simultaneously, compared with prior art, do not need to arrange vertical water fender on lower box, vertical water fender can be avoided to take up room, be conducive to alleviating overall weight, difficulty of processing is little, and adopt the sealing gasket of plain cushion form can realize good sealing effectiveness, sealing gasket maintenance cost can be reduced.While sealing, inner bag can also be fixed further by the epipleural of fastening bolt and lower box, also can improve the overall construction intensity of battery case simultaneously.
Further, connect flanging and be provided with reinforcement, can strengthen and connect the intensity of flanging, increase its evenness with the mating surface of sealing gasket, reduce the distortion produced when upper box lid and lower box are fixed together by securing member, raising sealing.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of chassis of the present invention quick change battery box;
Fig. 2 is the structural representation after upper box lid taken apart by battery case shown in Fig. 1;
Fig. 3 is the vertical view of battery case shown in Fig. 1;
Fig. 4 is A-A place cutaway view in Fig. 3;
Fig. 5 is the structural representation of the right-hand stringer of the casing of battery case shown in Fig. 1;
Fig. 6 is the structural representation of mounting bracket in Fig. 5;
Fig. 7 is the structural representation with the lower box of inner bag in battery case shown in Fig. 1;
Fig. 8 is the structural representation of inner bag in Fig. 7.
Embodiment
In the present invention, an embodiment of chassis quick change battery box as shown in Figures 1 to 8, battery case in this embodiment comprises lower box 2 and upper box lid 1, lower box 2 and upper box lid 1 form seal cavity, after opening the upper box lid 1 of battery case, the battery unit in battery case can be left in, battery unit comprises battery modules 3, be positioned at the high potential assembly 4 of front end, for the connector plug 5 docked with car body end socket, battery management system 6, heating tape etc., after battery case is installed to vehicle chassis, connector plug 5 on battery case coordinates with the grafting of vehicle end socket, thus realize supplying the electric energy of electric automobile.
The upper box lid 1 of battery case is processed by the mode of cold rolling panel beating bending, local welding, the left and right sides of upper box lid 1 is respectively equipped with and connects flanging 24, connecting flanging 24 is narrow limit structure, connection flanging 24 is provided with the screw mounting hole distributed along the longitudinal direction, the front end of upper box lid 1 is convex, to increase the arrangement space of battery case.
The lower box of battery case comprises left-hand stringer 7, right-hand stringer 8 and the bridge joint front side crossbeam 10 between left and right side longeron, rear-side cross member 11, left-hand stringer 7, right-hand stringer 8, front side crossbeam 10, rear-side cross member 11 surround quadrangle and enclose frame, be installed with the inner bag 9 for installing battery unit that top is hatch frame enclosing in frame, upper box lid 1 lid is located at the top open part of inner bag 9 and is tightly connected with lower box 2 is removable.
Left and right side longeron comprises epipleural 40, lower side panel 41 and the bridge joint outer cant board 42 between upper and lower side plate respectively.Epipleural 40 is dull and stereotyped, and its upper surface forms flat support face.Lower side panel 41 has the support portion 410 being connected to support inner bag 9 with the bottom surface of inner bag 9, the width of support portion 410 is greater than the width of epipleural 40, thus to projecting inward layout, like this, inner bag is placed on after on support portion 410, power suffered by inner bag 9 can be delivered on left and right side longeron, the weight of support cells case effectively.Inner bag 9 comprises left side wall 30 spaced apart in left-right direction, right side wall 22 and the bridge joint forward and backward sidewall between left and right sidewall, and the top edge of the sidewall of inner bag 9 is provided with outer flanging 91, forms the flange with the flat support face close fit of epipleural 40.The bottom of upper box lid 1 is provided with and connects flanging 24, connects correspondence on flanging 24 and lower box 2 flat support face and is provided with bolt mounting holes, and upper box lid 1 is by being installed on fastening bolt 43 in bolt mounting holes and lower box 2 releasable connection.During assembling, the outer flanging of inner bag 9 pastes sealing gasket 25, such as, adopts the glue of point gum machine point, then upper box lid 1 is buckled on lower box 2, and rely on fastening bolt 43 fastening, certainly, the outer flanging 91 of inner bag 9 and sealing gasket 25 need to arrange bolt mounting holes equally, like this, the connection flanging 24 of upper box lid 1 and the outer flanging 91 of inner bag are by sealing gasket 25 pinch seal, form Hermetical connecting structure, realize the sealing assembling of upper box lid and lower box, anti-sealing, dust enter inner bag.Flanging due to inner bag can coordinate with the flat support face of epipleural 40 and increase integral smoothness and structural strength, Reducing distortion, therefore, it is possible to make sealing gasket 25 can closely cooperate with the corresponding face of being sealed and matched, sealing property improves greatly.Simultaneously, connect flanging 24 and be provided with upper hem 241, upper hem 241 forms reinforcement, the intensity connecting flanging 24 can be strengthened, increase the evenness of the mating surface of itself and sealing gasket 25, reduce when upper box lid 1 is fixed together by securing member with lower box 2 and support cells group time the distortion that produces, can sealing be improved equally.While sealing, inner bag can be fixed further by the epipleural 40 of fastening bolt 43 with lower box, also can improve the overall construction intensity of battery case simultaneously.In order to ensure sealing property better, the outer ledge of outer flanging 91 is concordant with the outer ledge of sealing gasket 25, and the outer ledge of sealing gasket 25 is positioned at the inner side of the outer ledge connecting flanging 24.
The left and right sidewall of inner bag 9 comprises front side wall section 221, rear wall section 223 and transition connecting wall section 222 respectively, the spacing that spacing between two front side wall sections 221 is less than two rear wall sections 223 makes inner bag 9 form variable section structure in the longitudinal direction, the left and right sidewall of described inner bag is corresponding with the left and right side longeron of lower box to be respectively connected, and is respectively equipped with plug welding hole 31 in the front side wall section 221 of the left and right sidewall of inner bag 9, rear wall section 223 and transition connecting wall section 222.The Front-end Design of inner bag 9 is the ramped shaped with set angle, add the property passed through of vehicle, ramped shaped reinforcement 23 is lined with inside the slope of inner bag 9, reinforcement 23 has welded nut, and one is for installing lower box internal high pressure assembly, and two is pass through special road section when vehicle, when extreme case lower box front end collides, ensure that lower box front end is indeformable, avoid extruding electric component, ensure safety.Cross reinforcing 27 is had at inner bag 9 bottom welding, cross reinforcing 27 is the elongated slot structure of notch spiral-lock down bottom inner bag, the lower end of the both sides wall of the cross reinforcing 27 of elongated slot structure has outward extending bending respectively, two bendings of cross reinforcing are connected with the bottom welding of described inner bag 9 respectively, be beneficial to and better distribute battery modules weight, avoid inner bag bottom surface after module is fixed and occur larger depressed deformation, the both sides wall of the cross reinforcing 27 of elongated slot structure is also provided with the loss of weight louvre 271 distributed in left-right direction, one is for loss of weight, two is that to be beneficial to air-flow unobstructed, ensure bottom-heated band even heat, welding screw is equipped with in side, for installing bottom-heated band, welded nut is equipped with for self-contained battery module in top.
Left and right side longeron is respectively equipped with the lifting twist lock 12 for coordinating with the suspended fixing hole on automobile chassis, left and right side longeron is respectively equipped with the lifting twist lock 12 described in two, the height of two lifting twist locks determines according to vehicle chassis crossbeam forward and backward height difference, because in vehicle chassis architecture, two large beam strengths are the highest, locking is the most reliable, so correspondence position is opened slotted hole and installed latch additional and do local strengthening on crossbeam.Lifting twist lock 12 is assemblied in described left and right side longeron by the mounting bracket 14 be installed in the cavity of corresponding longeron, and mounting bracket 14 has the first connecting portion be connected with corresponding longeron and the second connecting portion be connected with corresponding lifting twist lock.Mounting bracket 14 comprises bridge joint riser 15 between vertical plates on both sides of vertical plates on both sides 17 and bridge joint and middle transverse slat 16, vertical plates on both sides 17, bridge joint riser 15 and middle transverse slat 16 surround cavity, lifting twist lock 12 comprises the mounting seat 122 being arranged in described cavity and the rotating rod lock 121 for coordinating with the suspended fixing hole on automobile chassis that the corresponding perforation be provided with passes from middle transverse slat 16, described second connecting portion is arranged on middle transverse slat 16, and described mounting seat 122 and the second connecting portion are connected to realize to lift being connected of twist lock 12 and mounting bracket 14.
First connecting portion of mounting bracket 14 comprises the side end face deviating from described bridge joint riser 15 of described vertical plates on both sides 17, and the side end face of vertical plates on both sides 17 is welded with the inner peripheral surface of corresponding longeron and is connected, and bridge joint riser 15 then welds with the left and right sidewall plug welding of inner bag 9.
The vertical plates on both sides 17 of mounting bracket 14 offers lightening hole respectively.Be installed with the reinforcement gusset 18 for preventing middle transverse slat to be out of shape in vertical plates on both sides 17 and middle transverse slat 16 junction, the dual-side strengthening gusset 18 welds with middle transverse slat 16 and corresponding cant board 17 respectively and is connected.And be connected in one end of intermediate transverse girder 16 and described bridge joint riser 15, the other end is provided with drainage technology hole, prevent groove internal water accumulation.
Consider reasonable direction when installing battery case, designed by fairlead 19 at battery case diagonal position, due to when leading, fairlead 19 local by very large power, in order to avoid deforming, can add " L " shape reinforcement 20 on fairlead 19 both sides.
Due to inner bag 9 two front side wall sections between the spacing spacing that is less than two rear wall sections make inner bag 9 form variable section structure in the longitudinal direction, a left side for described inner bag 9, right side wall respectively with the left side of lower box 2, right-hand stringer correspondence is connected, a described left side, right-hand stringer has the wide beam section 100 corresponding with the front side wall section of the corresponding sidewall of described inner bag respectively, the narrow beam section 300 corresponding with the rear wall section of corresponding sidewall and transition tie-beam section 200, on a left side, stiffener 21 is provided with respectively at the transition junction of wide beam section 100 and transition tie-beam section 200 and transition tie-beam section 200 and narrow beam section 300 in the cavity of right-hand stringer.
In the above-described embodiments, the top edge of the sidewall of inner bag is provided with outer flanging, and described flange is formed by described outer flanging.In other embodiments of the invention, flange on side wall of inner also can adopt other modes to be formed, such as on the sidewall of inner bag, be welded and fixed the annular slab of a circle perpendicular to above-below direction, rely on annular slab as flange, the position between this annular slab can be fixed at the bottom of the opening part of inner bag or side wall of inner top.
In the above-described embodiments, the end of the connection flanging of upper box lid is provided with upper hem and forms reinforcement, in other embodiments, this reinforcement also can replace with other forms, such as, arrange the structure of clapping of reflexed at the end connecting flanging, namely double-decker is formed, for another example fin etc. is set on connection flanging, all can forms reinforcement, improve and connect flanging intensity, prevent distortion, improve sealing effectiveness.
Claims (6)
1. chassis quick change battery box, comprise upper box lid, lower box, the hermetically-sealed construction that is fixed on the inner bag in lower box and is arranged between upper box lid and lower box, described hermetically-sealed construction comprises sealing gasket and is arranged on the connection flanging on upper box lid, it is characterized in that: the wall upper surface of described lower box has flat support face, the sidewall of described inner bag has the flange with described flat support face close fit, described sealing gasket is be arranged on the plain cushion between flange with the described lower surface being connected flanging.
2. chassis according to claim 1 quick change battery box, is characterized in that: described connection flanging is provided with reinforcement.
3. chassis according to claim 2 quick change battery box, is characterized in that: described reinforcement is formed by the upper hem connecting flanging end.
4. the chassis quick change battery box according to claim 1 or 2 or 3, is characterized in that: the top edge of the sidewall of described inner bag is provided with outer flanging, and described flange is formed by described outer flanging.
5. the chassis quick change battery box according to claim 1 or 2 or 3, is characterized in that: the outer ledge of described flange is concordant with the outer ledge of described sealing gasket.
6. the chassis quick change battery box according to claim 1 or 2 or 3, is characterized in that: the outer ledge of described sealing gasket is positioned at the inner side of the outer ledge connecting 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 true CN105489801A (en) | 2016-04-13 |
| CN105489801B CN105489801B (en) | 2018-07-03 |
Family
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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 |
|---|---|
| CN (1) | CN105489801B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237885A (en) * | 2016-12-26 | 2018-07-03 | 上海同捷科技股份有限公司 | A kind of automobile batteries 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 |
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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108237885A (en) * | 2016-12-26 | 2018-07-03 | 上海同捷科技股份有限公司 | A kind of automobile batteries supporting plate assembly structure |
| 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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| Publication number | Publication date |
|---|---|
| CN105489801B (en) | 2018-07-03 |
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