CN218536327U

CN218536327U - Quick-change battery and battery-changing vehicle

Info

Publication number: CN218536327U
Application number: CN202222808515.7U
Authority: CN
Inventors: ***; 于新瑞; 仇丹梁
Original assignee: Aulton New Energy Automotive Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd
Priority date: 2022-07-15
Filing date: 2022-10-24
Publication date: 2023-02-28
Anticipated expiration: 2032-10-24
Also published as: CN116409132A; CN116252609A; CN116252608A; CN218558543U; CN219133830U; CN219096473U; CN115991087A; CN218558550U; CN218805183U; CN115991086A; CN218805180U; CN219007569U; CN116118464A; CN116118468A; CN218558551U; CN116160836A; CN218558552U; CN116409133A; CN116118460A; CN116572722A

Abstract

The utility model provides a quick change battery and trade electric vehicle belongs to and trades electric vehicle technical field. The quick-change battery comprises a plurality of battery packs, the battery packs are arranged in the width direction of the battery replacement vehicle, and each battery pack is independently locked at the bottom of the vehicle body of the battery replacement vehicle in a T-shaped rotating locking mode in the vertical direction. Compared with the traditional design mode that the battery is designed into a whole large battery pack (whole pack), the quick-change battery pack has the advantages that the size and the weight of a single battery pack are smaller, the installation is convenient, and the requirement on the power-changing equipment is reduced; the plurality of battery packs are arranged along the width direction of the battery replacing vehicle, the structural arrangement is compact, and the installation space is saved; each battery pack is independently locked at the bottom of the vehicle body of the battery replacing vehicle in a T-shaped rotating locking mode, so that the disassembly and the assembly are not influenced mutually, and the disassembly and the assembly flexibility are higher; each battery pack is connected to the bottom of the vehicle body of the battery replacing vehicle along the vertical direction, so that the battery packs can be conveniently disassembled and assembled, and the disassembling and assembling efficiency of the battery packs is improved.

Description

Quick-change battery and battery-changing vehicle

The present application claims priority from chinese patent application 202210837091.9, filed on 2022, month 07 and 15. The present application refers to the above-mentioned chinese patent application in its entirety.

Technical Field

The utility model relates to a trade electric vehicle technical field, in particular to quick change battery and trade electric vehicle.

Background

The battery pack mounting mode of the existing electric automobile is generally divided into fixed mounting and replaceable mounting, wherein the battery pack fixedly mounted is generally fixed on the automobile; the replaceable safety-rotating battery pack generally adopts a movable installation mode, can be taken down at any time to be replaced or charged, and is installed on the vehicle body after replacement or charging is finished.

When the replaceable battery pack is replaced, the battery pack needs to be moved to the vehicle end through the battery replacement device, and the battery pack is mounted on the battery replacement vehicle through the matching of the locking piece and the locking mechanism. In the prior art, the power consumption of the battery replacing vehicle is large, especially for an electric truck, the size and the weight of a corresponding required battery pack are large, so that the requirement of the battery pack on the battery replacing equipment is high in the installation process, the alignment precision is poor, and the battery replacing vehicle is not favorable for quickly replacing the battery pack.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a quick change battery and trade electric vehicle in order to overcome among the prior art battery package on the electric vehicle because volume and the big at least one in requiring high, the installation alignment precision poor, the lower defect of change efficiency of the pair of trade electric equipment that leads to of weight.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

a quick-change battery comprises a plurality of battery packs, the battery packs are arranged along the width direction of a battery replacement vehicle, and each battery pack is independently locked at the bottom of the vehicle body of the battery replacement vehicle in a T-shaped rotation locking mode along the vertical direction.

In this scheme, adopt above-mentioned scheme to realize installing the battery package in trading the automobile body bottom of electric vehicle to can follow and trade the electric vehicle bottom and carry out the dismouting of battery package, can effectively solve among the prior art electric heavy truck or light truck vehicle and place the battery package above the automobile body and lead to trading the technical problem that the electricity is with high costs, trade the inconvenience of electric.

In addition, in the scheme, the quick-change battery comprises a plurality of battery packs, and compared with the traditional design mode that the battery is designed into a whole large battery pack (whole pack), the single battery pack for quickly changing the battery has smaller volume and weight, is convenient to install and simultaneously reduces the requirement on the electricity-changing equipment; the plurality of battery packs are arranged along the width direction of the battery replacing vehicle, the structural arrangement is compact, and the installation space is saved; each battery pack is independently locked at the bottom of the vehicle body of the battery replacement vehicle in a T-shaped rotary locking mode, so that the battery packs are not mutually influenced in assembly and disassembly, and the assembly and disassembly flexibility is higher; each battery pack is connected to the bottom of the vehicle body of the battery replacing vehicle along the vertical direction, so that the battery packs can be conveniently disassembled and assembled, and the disassembling and assembling efficiency of the battery packs is improved.

Preferably, the structure of the T-shaped rotation locking manner includes a locking member and a locking mechanism, the T-shaped rotation locking of the battery pack and the battery replacement vehicle is realized through the mutual cooperation of the locking member and the locking mechanism, and when one of the locking member and the locking mechanism is arranged on the battery pack, the other one of the locking member and the locking mechanism is arranged on the battery replacement vehicle.

In the scheme, the T-shaped rotary locking of the battery pack and the battery replacement vehicle is realized through the matching of the locking piece and the locking mechanism, the structure is simple, the locking is convenient, and the connection is reliable; compare in traditional bolt formula locking mode and joint formula locking mode, the rotatory locking of T type is favorable to reducing the wearing and tearing between locking piece and the locking mechanism, is favorable to improving the reliability and the durability of structure.

Preferably, the locking mechanism includes a lock base, the locking piece includes a T-shaped lock rod, the T-shaped lock rod includes a shaft body, and further includes at least one hanging part extending outwards from one end of the shaft body, and the locking piece is rotationally locked at a locking position of the lock base through the hanging part.

In this scheme, the cooperation form of T type locking lever and lock seat is simple, and convenient operation is favorable to the quick locking of battery package on trading electric vehicle, and T type locking lever and the convenient processing of lock seat simultaneously, the cost is lower.

In addition, in this scheme, the rotation through the portion of hitching makes the portion of hitching locking in the locking position of lock seat, and then realizes the locking of locking piece on the lock seat, and whole locking easy operation is convenient, only needs the rotation operation can realize, is favorable to improving locking efficiency.

Preferably, the locking member includes two of the hooking portions, and the two hooking portions extend in opposite directions from one end of the shaft body, respectively.

In the scheme, the number of the hanging parts is two, so that the rotary operation is convenient to perform, and the automatic unlocking is prevented by limiting the rotation of the hanging parts after the locking; two hitching parts extend along opposite directions, so that the locking is more reliable and the stress of the locking piece is more balanced.

Preferably, the locking piece includes three the portion of hitching, three the portion of hitching extends along different directions respectively from the one end of axle body, and is three the portion of hitching has the contained angle between the portion of hitching.

In the scheme, the number of the hanging parts is three, so that the rotary operation is further facilitated, and the automatic unlocking is prevented by limiting the rotation of the hanging parts after the locking; the included angle is formed between the three hanging parts, so that the locking is more reliable, and the stress of the locking piece is more balanced.

Preferably, the locking piece further comprises a locking portion disposed at the other end of the shaft body, and the locking portion is configured to limit rotation of the hanging portion relative to the lock seat when the hanging portion is located at the locking position of the lock seat.

In this scheme, locking portion can prevent to take place to rotate in the relative lock seat of the portion of hitching at the locking position, improves the reliability of locking between locking piece and the locking mechanism, and then guarantees the reliability of being connected between battery package and the battery changing vehicle.

Preferably, the locking part can limit the rotation of the hanging part relative to the lock seat through any one of the matching modes of ratchet, pawl, expansion bead, clamping and meshing.

In this scheme, the equal simple structure of ratchet pawl, the pearl that rises, block, meshed cooperation mode, set up conveniently, and connect reliably, make things convenient for the rotation of the relative lock seat of locking portion.

Preferably, the locking piece further comprises a base, and the T-shaped locking rod is arranged in the base and can lift or rotate along the vertical direction relative to the base.

In the scheme, the base guides the movement of the T-shaped lock rod, so that the locking accuracy is ensured, and the locking efficiency is improved; meanwhile, the T-shaped lock rod is lifted along the vertical direction, so that the T-shaped lock rod can be prevented from interfering with other parts in the horizontal direction when moving.

Preferably, the T-shaped lock rod is further provided with a driving portion, and the driving portion is used for driving the hanging portion to lift or rotate along the vertical direction under the action of an external driving mechanism.

In the scheme, the T-shaped lock rod is in butt joint with the external driving mechanism through the driving part and performs lifting or rotating motion under the action of the external driving mechanism, in the process, the driving mechanism provides power for the movement of the T-shaped lock rod, and the locking efficiency between the locking mechanism and the locking piece is further improved.

Preferably, the lock base is provided with a connecting channel extending in the vertical direction and a clamping part arranged adjacent to the connecting channel, the connecting channel is used for enabling the hanging part to move upwards to a position corresponding to the clamping part in the vertical direction, and the hanging part is locked on the clamping part through rotation, so that the locking piece is locked at the locking position of the lock base through rotation of the hanging part.

In this scheme, coupling portion rebound in interface channel, move to the position department that corresponds with card portion back until coupling portion, coupling portion rotatory locking is in card portion of holding again to realize the locking of T type locking lever on the lock seat, simple structure, locking are reliable, be convenient for realize. The hanging part moves upwards along the vertical direction, so that the moving process of the battery pack is combined with the vertical locking process of the T-shaped lock rod and the lock seat when the battery pack is detached, and the locking efficiency is improved.

Preferably, the clamping part is further provided with a guide surface, and the guide surface is arranged obliquely upwards or obliquely downwards from the connecting channel.

In this scheme, the setting up of spigot surface makes things convenient for hitching part to get into to the card and hold portion internal rotation to locking position at the card.

Preferably, the connecting channel is matched with the hanging part in shape.

In this scheme, the shape phase-match of interface channel's shape and hooking portion is favorable to hooking portion to get into interface channel smoothly, improves locking efficiency.

Preferably, the base comprises an outer base and an inner clamping seat, the inner clamping seat is in threaded connection with the outer base, and a locking groove is formed on the inner clamping seat; the locking groove is a spiral groove for the T-shaped locking rod to lift or rotate along the vertical direction.

In this scheme, outer base and interior cassette are favorable to leading the removal of T type locking lever, and the locked groove on the T type locking lever edge interior cassette removes for the removal of T type locking lever is more steady.

Preferably, the vehicle body of the battery replacement vehicle comprises a vehicle beam, and the battery pack is located below the vehicle beam, or a part of the battery pack is located on a side surface of the vehicle beam and extends upwards to protrude out of the bottom of the vehicle beam.

In the scheme, when the battery pack is positioned below the vehicle beam, the battery pack is more regular in appearance, the battery pack is convenient to disassemble and assemble, and the disassembling and assembling efficiency is high; when the battery pack is partially positioned on the side surface of the vehicle beam and extends upwards to protrude out of the bottom of the vehicle beam (namely, the battery pack protrudes upwards from the side surface of the vehicle beam), the height space of the side surface of the vehicle beam can be fully utilized, the battery capacity is increased, and in addition, the battery pack is also suitable for a battery replacement vehicle with a lower chassis, and the application range of the battery pack is enlarged.

Preferably, the vehicle body of the battery replacement vehicle comprises two vehicle beams;

the number of the plurality of battery packs is odd, and in the horizontal direction, part of at least one battery pack is arranged between the two vehicle beams; or the like, or, alternatively,

the number of the plurality of battery packs is even, and at least two battery packs are respectively positioned below or on the side surface of the two vehicle beams.

In this scheme, above-mentioned mode of setting up all makes the barycentric position that a plurality of battery package arranged on the horizontal direction be located or be close to trade the axis of electric vehicle, avoids the quick change battery to take place the unbalance loading because the barycentric position of installation is crossed partially, has improved the installation fastness and the stability of quick change battery.

Preferably, two adjacent battery packs are arranged at intervals; and/or the presence of a gas in the gas,

and a first buffer piece is arranged between the adjacent battery packs.

In the scheme, the adjacent battery packs are arranged at intervals, so that the interference between the battery packs can be avoided, and the replacement of the battery packs is facilitated; first bolster can avoid taking place rigid collision between the adjacent battery package, has certain guard action to the battery package, also can play certain guide effect to the battery package along vertical connection.

Preferably, the battery pack comprises a box body used for accommodating a battery module, the box body is provided with the locking piece, and the locking piece is used for being matched with a locking mechanism arranged on the battery replacing vehicle so as to lock the battery pack on the battery replacing vehicle in a T-shaped rotating locking mode.

In the scheme, the box body of the battery pack has a protection effect on the battery module in the box body; the locking piece sets up on the box, conveniently carries out the dismouting to the battery package, and the locking piece through cooperateing with locking mechanism, with the battery package locking in trade on the electric vehicle, the installation is firm, and can improve the dismouting efficiency of battery package.

Preferably, the locking pieces of each battery pack are respectively provided with a plurality of locking pieces, the plurality of locking pieces are distributed on the box body along two sides of the length direction and/or the width direction of the battery pack, or the plurality of locking pieces are distributed on the top of the box body.

In the scheme, the arrangement of the plurality of locking pieces can improve the mounting firmness and stability of the battery pack; along the length direction and/or the width direction of battery package, can set up more quantity locking piece, be favorable to strengthening the battery package and trade being connected between the electric vehicle. In addition, under the condition that the length direction of the battery pack is arranged along the length direction of the battery replacing vehicle, the locking mechanisms are arranged in the direction where the battery replacing vehicle shakes most (the battery replacing vehicle shakes more obviously in the front-rear direction), so that the connection stability between the battery pack and the battery replacing vehicle can be improved; when a plurality of locking pieces distribute in the top of box, make things convenient for battery package and trade location and locking between the electric vehicle.

Preferably, the battery pack further includes:

the first guide mechanism comprises a guide piece arranged on the box body and extending upwards or a guide hole arranged on the box body, and the guide piece or the guide hole is matched with a guide hole or a guide piece arranged on the battery replacement vehicle to realize the guide of locking connection of the battery pack and the battery replacement vehicle along the vertical direction;

and/or the second guide mechanism comprises a guide block arranged on the battery pack, the guide block is used for being matched with a guide groove arranged on the battery replacing vehicle, and the battery pack is guided to be connected with the battery replacing vehicle in a hanging mode along the vertical direction.

In the scheme, through the matching of the guide piece and the guide hole, the movement of the battery pack along the vertical direction can be guided when the battery pack is connected with the battery replacing vehicle, so that the positioning precision is improved; the guide block of second guiding mechanism matches with the guide way that trades the electric vehicle, can be more accurate carry on spacingly to the removal of battery package in a direction of horizontal plane, avoid the battery package to take place the skew.

Preferably, the box body further comprises a reinforcing frame, the reinforcing frame is arranged on the side face of the box body, and the locking piece is arranged on the reinforcing frame.

In this scheme, the overall structure intensity of box can be strengthened to the braced frame, and the braced frame sets up in the side of box, can also play certain protection and cushioning effect, avoids the foreign object directly to cause the striking to the box.

Preferably, an operation hole is formed in the reinforcing frame at a position corresponding to the locking member, and the operation hole is used for allowing an external unlocking device to enter or accommodating the unlocking linkage member.

In the scheme, an external unlocking device, such as a torque gun, can extend into the enclosed space of the reinforcing frame through the operation hole and directly or indirectly act on the T-shaped lock rod, so that the T-shaped lock rod is driven to rotate, and unlocking and locking are realized; or an unlocking linkage piece is arranged in the operation hole and used for linkage of the external unlocking equipment and the T-shaped lock rod, and the unlocking linkage piece can be integrally arranged with the T-shaped lock rod or connected with the T-shaped lock rod only during unlocking and locking.

Preferably, a second buffer member is disposed on the top of the reinforcing frame.

In this scheme, the second bolster sets up in strengthening frame's top, can avoid the battery package to take place rigid collision at the dismouting in-process with bottom of the vehicle body, slows down the impact, avoids causing the damage to the battery package.

Preferably, the battery pack further comprises a box end electrical connector, and the box end electrical connector is arranged at the top of the box body.

In this scheme, box top is located to case end electric connector, more is close to in the automobile body bottom who trades the electric vehicle, and when the battery package was connected along vertical and trade the electric vehicle, case end electric connector can make things convenient for, directly carry out the plug-in connection with the car end electric connector who trades the electric vehicle, and this connected mode is reliable, stable, convenient.

A battery replacing vehicle comprises the quick-change battery.

In this scheme, trade the electric vehicle and should trade the battery through setting up for locking between them is more convenient reliable, is favorable to improving locking efficiency.

Preferably, the battery replacement vehicle further comprises a quick-change bracket, the quick-change bracket is connected to a vehicle body of the battery replacement vehicle, and each battery pack is independently locked to the quick-change bracket in a T-shaped rotary locking manner.

In this scheme, the setting of quick change support is convenient fixes a position and installs the quick change battery, has improved the installation effectiveness of quick change battery.

Preferably, the battery replacement vehicle further comprises a vehicle beam, and the quick-change bracket is mounted on the vehicle beam;

the quick-change bracket is of an integral structure and is provided with a plurality of battery pack accommodating areas;

or the quick-change supports are of a split structure, and the quick-change supports correspond to the battery packs one to one.

In the scheme, the quick-change bracket is convenient to install the quick-change battery, and when the quick-change bracket is integral, the integrity of the quick-change bracket is strong, and the quick-change bracket is more firmly connected with the quick-change battery; when the quick-change support is split, the quick-change support and the battery pack are in one-to-one correspondence, and the installation and the arrangement are more flexible.

Preferably, the battery replacement vehicle is an electric truck.

In this scheme, electric truck's power consumption is big, and required electric energy is many, adopts foretell quick change battery, has avoided in the traditional design mode to design the battery to the defects such as the high requirement of the power change equipment that leads to for a whole big battery package, the electricity of trading is inconvenient, and the volume and the weight of the single battery package of quick change battery are littleer, easy to assemble, and the continuation of the journey is lasting, is particularly useful for electric truck.

The utility model discloses an actively advance the effect and lie in:

in the utility model, the quick-change battery comprises a plurality of battery packs, and compared with the traditional design mode that the battery is designed into a whole large battery pack (whole pack), the single battery pack for quickly changing the battery has smaller volume and weight, is convenient to install, and simultaneously reduces the requirement on the electricity-changing equipment; the plurality of battery packs are arranged along the width direction of the battery replacing vehicle, the structural arrangement is compact, and the installation space is saved; each battery pack is independently locked at the bottom of the vehicle body of the battery replacement vehicle in a T-shaped rotary locking mode, so that the battery packs are not mutually influenced in assembly and disassembly, and the assembly and disassembly flexibility is higher; each battery pack is connected to the bottom of the vehicle body of the battery replacing vehicle along the vertical direction, so that the battery packs can be conveniently disassembled and assembled, and the disassembling and assembling efficiency of the battery packs is improved.

Drawings

Fig. 1 is a schematic perspective view of a battery replacement vehicle according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of a quick-change battery and a quick-change bracket according to an embodiment of the present invention.

Fig. 3 is a schematic side view of the quick-change battery and the quick-change bracket according to an embodiment of the present invention.

Fig. 4 is a schematic front view of the quick-change battery and the quick-change bracket according to an embodiment of the present invention.

Fig. 5 is a schematic top view of a quick-change battery and a quick-change bracket according to an embodiment of the present invention.

Fig. 6 is a schematic perspective view of a quick-change bracket according to an embodiment of the present invention.

Fig. 7 is a schematic perspective view of a quick-change battery according to an embodiment of the present invention.

Fig. 8 is an exploded view of the locking member and the locking mechanism according to an embodiment of the present invention.

Fig. 9 is a schematic perspective view of a base and a lock seat according to an embodiment of the present invention.

Fig. 10 is a schematic diagram illustrating a locking process of the locking member and the locking mechanism according to an embodiment of the present invention.

Fig. 11 is a schematic view of a locking state of the locking member and the locking mechanism according to an embodiment of the present invention.

Fig. 12 is a schematic top view of the locking member and the locking mechanism according to an embodiment of the present invention.

Fig. 13 is a perspective structural diagram of a T-shaped lock rod and an inner clamping seat according to an embodiment of the present invention.

Fig. 14 is an exploded view of a locking member and a locking mechanism according to another embodiment of the present invention.

Description of reference numerals:

battery replacement vehicle 100

Quick-change support 101

Vehicle beam 102

Quick-change battery 1

Battery pack 11

Case 111

Reinforced frame 1111

Guide hole 1112

Case-end electrical connector 112

Locking part 2

T-shaped lock lever 21

Shaft body 211

Hanging part 212

Locking part 213

Nut 2131

Nut sleeve 2132

Base 22

Outer base 221

Inner cassette 222

Lock slot 2221

Extension 23

Locking mechanism 3

Lock seat 31

Connecting channel 311

Catch 312

Guide surface 3121

Guide 5

Detailed Description

The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.

As shown in fig. 1 to 13, the present embodiment provides a quick-change vehicle 100 and a quick-change battery 1, where the quick-change vehicle 100 includes a vehicle beam 102, a quick-change bracket 101 is connected to the vehicle beam 102, and the quick-change battery 1 is connected to the quick-change bracket 101 through a T-shaped rotary locking manner.

The quick-change battery 1 provided by the embodiment includes a plurality of battery packs 11, the plurality of battery packs 11 are arranged along the width direction of the battery replacement vehicle 100, and each battery pack 11 is independently locked to the vehicle bottom of the battery replacement vehicle 100 in a T-shaped rotation locking manner along the vertical direction.

Can realize installing battery package 11 in the automobile body bottom that trades electric vehicle 100 through above-mentioned scheme to can follow and trade the electric vehicle 100 bottom and carry out the dismouting of battery package 11, can effectively solve among the prior art electronic heavy truck or light truck vehicle and place battery package 11 above the automobile body and lead to trading the technical problem that the electricity is with high costs, trade the inconvenience of electricity. In addition, the quick-change battery 1 comprises a plurality of battery packs 11, and compared with the traditional design mode that the battery is designed into a whole large battery pack 11 (whole pack), the single battery pack 11 of the quick-change battery 1 has smaller volume and weight, is convenient to install and simultaneously reduces the requirement on electricity-changing equipment; the plurality of battery packs 11 are arranged along the width direction of the battery replacement vehicle 100, so that the structural arrangement is compact, and the installation space is saved; each battery pack 11 is independently locked at the bottom of the vehicle body of the battery replacement vehicle 100 in a T-shaped rotary locking mode, so that the assembly and disassembly are not influenced mutually, and the assembly and disassembly flexibility is higher; each battery pack 11 is connected to the bottom of the vehicle body of the battery replacing vehicle 100 along the vertical direction, so that the battery packs 11 can be conveniently disassembled and assembled, and the disassembling and assembling efficiency of the battery packs 11 is improved.

The structure of the T-shaped rotation lock system can be described in patent publication No. CN 114523833A. Of course, the specific configuration of the T-shaped rotation lock system is not limited to the one disclosed in patent publication No. CN114523833A, and may be another configuration, and is not particularly limited. For example, the present embodiment provides a structure of a preferable T-shaped rotation locking manner, as shown in fig. 4 to 9.

In this embodiment, the structure of the T-shaped rotation locking mode includes a locking member 2 and a locking mechanism 3, the T-shaped rotation locking of the battery pack 11 and the battery replacement vehicle 100 is realized through the mutual cooperation of the locking member 2 and the locking mechanism 3, and when the locking member 2 is arranged on the battery pack 11, the locking mechanism 3 is arranged on the battery replacement vehicle 100. The T-shaped rotary locking of the battery pack 11 and the battery replacement vehicle 100 is realized through the matching of the locking piece 2 and the locking mechanism 3, the structure is simple, the locking is convenient, and the connection is reliable; compare in traditional bolt formula locking mode and joint formula locking mode, the rotatory locking of T type is favorable to reducing the wearing and tearing between locking piece 2 and the locking mechanism 3, is favorable to improving the reliability and the durability of structure. In other alternative embodiments, the locking mechanism 3 may be provided on the battery pack 11, and the locking member 2 may be provided on the battery replacement vehicle 100.

In this embodiment, the locking mechanism 3 includes a lock holder 31, the locking member 2 includes a T-shaped locking rod 21, the T-shaped locking rod 21 includes a shaft body 211, and at least one hanging portion 212 extending outward from one end of the shaft body 211, and the locking member 2 is locked in a locking position of the lock holder 31 by the hanging portion 212. The T-shaped lock rod 21 and the lock seat 31 are simple in matching form and convenient to operate, the battery pack 11 can be locked on the battery replacing vehicle 100 quickly, meanwhile, the T-shaped lock rod 21 and the lock seat 31 are convenient to process, and the manufacturing cost is low. In addition, the hanging part 212 is locked at the locking position of the lock base 31 through the rotation of the hanging part 212, and then the locking of the locking piece 2 on the lock base 31 is realized, the whole locking operation is simple and convenient, the locking can be realized only through the rotation operation, and the locking efficiency is favorably improved. Specifically, in the present embodiment, the lock holder 31 is disposed on the upper surface of the quick-change bracket 101 of the electric vehicle 100, and the shaft body 211 of the T-shaped lock lever 21 is inserted into the quick-change bracket 101 so that the hanging part 212 of the T-shaped lock lever 21 can be located at the locking position of the lock holder 31.

In the present embodiment, the lock member 2 includes two hooking portions 212, and the two hooking portions 212 respectively extend in opposite directions from one end of the shaft body 211. The number of the hanging parts 212 is two, so that the rotating operation is convenient to carry out, and the automatic unlocking is prevented by limiting the rotation of the hanging parts 212 after the locking; the two hitching sections 212 extend in opposite directions so that the locking is more reliable and the forces on the locking member 2 are more balanced.

As shown in fig. 14, in another alternative embodiment, the locking member 2 may also include three hanging portions 212, the three hanging portions 212 respectively extend from one end of the shaft body 211 in different directions, and the three hanging portions 212 have included angles therebetween. The number of the hanging parts 212 is three, so that the rotation operation is further facilitated, and the automatic unlocking is prevented by limiting the rotation of the hanging parts 212 after the locking; the three hanging parts 212 have included angles, so that locking is more reliable, and stress of the locking piece 2 is more balanced. In addition, with three hook portions 212, the number of hook portions 212 is increased, and the lock member 2 can also bear the battery pack 11 having a larger weight.

In this embodiment, the locking member 2 further includes a locking portion 213 disposed at the other end of the shaft body 211, and the locking portion 213 is used for limiting the rotation of the hanging portion 212 relative to the lock base 31 when the hanging portion 212 is located at the locking position of the lock base 31. The locking portion 213 can prevent the hanging portion 212 at the locking position from rotating relative to the lock holder 31, so as to improve the reliability of locking between the locking member 2 and the locking mechanism 3, and further ensure the reliability of connection between the battery pack 11 and the battery replacement vehicle 100. Specifically, in this embodiment, the locking portion includes a nut 2131 and a nut sleeve 2132, the nut 2131 is screwed to the shaft body 211, and the nut sleeve 2132 is sleeved on the nut 2131. The nut 2131 is screwed to the shaft body 211 to fasten the shaft body 211, thereby fixing the battery pack 11 to the battery replacement vehicle 100. The nut 2132 can lock the nut 2131, so that the nut 2131 cannot move up and down in the axial direction, and the nut 2131 is not easy to rotate during locking, thereby preventing the threaded connection part between the nut 2131 and the shaft body 211 from loosening.

It is understood that the specific structural form of the anti-loose part 213 is not limited to the above description, and in other alternative embodiments, the anti-loose part 213 may be another structural form in the prior art, for example, the anti-loose part 213 may also limit the rotation of the hanging part 212 relative to the lock seat 31 by any one of the matching manners of ratchet, pawl, expansion ball, snap and engagement. The matching modes of the ratchet pawl, the expansion bead, the clamping and the meshing are simple in structure, convenient to set and reliable in connection, and the anti-loosening portion 213 can conveniently rotate relative to the lock seat 31.

In this embodiment, the locking member 2 further includes a base 22, and the t-shaped lock lever 21 is disposed in the base 22 and can be lifted or rotated in a vertical direction with respect to the base 22. The base 22 guides the movement of the T-shaped lock rod 21, so that the locking accuracy is ensured, and the locking efficiency is improved; meanwhile, the T-shaped lock rod 21 is lifted along the vertical direction, so that interference between the T-shaped lock rod 21 and other parts in the horizontal direction during movement can be avoided.

In this embodiment, the T-shaped lock lever 21 is further provided with a driving portion, and the driving portion is used for driving the hanging portion 212 to lift or rotate along the vertical direction under the action of the external driving mechanism. The T-shaped lock rod 21 is in butt joint with an external driving mechanism through a driving part and performs lifting or rotating motion under the action of the external driving mechanism, in the process, the driving mechanism provides power for the motion of the T-shaped lock rod 21, and the locking efficiency between the locking mechanism 3 and the locking piece 2 is further improved.

In the present embodiment, the lock seat 31 has a connecting channel 311 extending along the vertical direction, and a catching portion 312 disposed adjacent to the connecting channel 311, the connecting channel 311 is used for allowing the hanging portion 212 to move upward along the vertical direction to a position corresponding to the catching portion 312, and the hanging portion 212 is locked on the catching portion 312 by rotating, so that the locking member 2 is locked at the locking position of the lock seat 31 by rotating the hanging portion 212. The hanging part 212 moves upward in the connecting channel 311 until the hanging part 212 moves to the position corresponding to the retaining part 312, and then the hanging part 212 rotates to be locked on the retaining part 312, so as to lock the T-shaped lock rod 21 on the lock base 31. The hanging part 212 moves upwards along the vertical direction, so that the movement process of the battery pack 11 is combined with the vertical locking process of the T-shaped lock rod 21 and the lock seat 31 when the battery pack 11 is detached, and the locking efficiency is improved.

In this embodiment, the catch 312 is further provided with a guide surface 3121, and the guide surface 3121 is disposed obliquely upward or obliquely downward from the connection passage 311. The provision of the guide surface 3121 facilitates entry of the hook 212 into the catch 312 and rotation within the catch 312 to the locking position.

In this embodiment, the connecting channel 311 matches the shape of the hanging portion 212. The shape of the connecting channel 311 is matched with that of the hanging part 212, so that the hanging part 212 can smoothly enter the connecting channel 311, and the locking efficiency is improved.

In this embodiment, the base 22 includes an outer base 221 and an inner holder 222, the inner holder 222 is screwed with the outer base 221, and a locking groove 2221 is formed on the inner holder 222, and more specifically, the locking groove 2221 is a spiral groove for the T-shaped locking lever to move up and down or rotate in a vertical direction. The outer base 221 and the inner holder 222 are advantageous for guiding the movement of the T-shaped lock lever 21, and the T-shaped lock lever 21 moves along the lock groove 2221 of the inner holder 222, so that the movement of the T-shaped lock lever 21 is more stable.

In this embodiment, the vehicle body of the battery replacing vehicle 100 includes a vehicle beam 102, the battery pack 11 is located below the vehicle beam 102, the appearance of the battery pack 11 is more regular, the battery pack 11 is convenient to disassemble and assemble, and the disassembling and assembling efficiency is high. In other alternative embodiments, a portion of the battery pack 11 may be disposed on a side surface of the vehicle body frame 102 and extend upward to protrude from a bottom portion of the vehicle body frame 102 (i.e., protrude upward from the side surface of the vehicle body frame 102), so that a height space of the side surface of the vehicle body frame 102 can be fully utilized to increase a battery capacity, and the battery pack 11 may be applied to the battery replacement vehicle 100 having a low chassis to increase an application range of the battery pack 11.

In the present embodiment, the vehicle body of the battery replacement vehicle 100 includes two vehicle beams 102; the number of the plurality of battery packs 11 is an odd number, and a part of at least one battery pack 11 is disposed between the two vehicle rails 102 in the horizontal direction. The above-mentioned mode of setting up all makes the barycentric position that a plurality of battery package 11 arranged on the horizontal direction be located or be close to trade the axis of electric vehicle 100, avoids quick change battery 1 to take place the unbalance loading because the barycentric position of installation is crossed partially, has improved quick change battery 1's installation fastness and stability. In other alternative embodiments, the number of the plurality of battery packs 11 may also be an even number, and at least two battery packs 11 are respectively located below or at the side of the two vehicle beams 102.

In this embodiment, two adjacent battery packs 11 are disposed at an interval, and a first buffer member is disposed between the adjacent battery packs 11. The adjacent battery packs 11 are arranged at intervals, so that the interference between the battery packs 11 can be avoided, and the replacement of the battery packs 11 is facilitated; first bolster can avoid taking place hard collision between the adjacent battery package 11, has certain guard action to battery package 11, also can play certain guide effect to battery package 11 along vertical connection.

In this embodiment, the battery pack 11 includes a box 111 for accommodating the battery module, a locking member 2 is disposed on the box 111, and the locking member 2 is configured to cooperate with a locking mechanism 3 disposed on the battery replacement vehicle 100 to lock the battery pack 11 on the battery replacement vehicle 100 in a T-shaped rotation locking manner. The box body 111 of the battery pack 11 has a protection effect on the battery module in the battery pack; locking piece 2 sets up on box 111, conveniently carries out the dismouting to battery package 11, and locking piece 2 is through cooperateing with locking mechanism 3, with battery package 11 locking on trading electric vehicle 100, and the installation is firm, and can improve battery package 11's dismouting efficiency. Specifically, in this embodiment, the locking member 2 is connected to the box 111 along the vertical direction, and the external driving mechanism only needs to drive the driving portion of the T-shaped lock rod 21 of the locking member 2 along the vertical direction, so that the T-shaped lock rod 21 can move up and down or rotate along the vertical direction, thereby more conveniently butting the locking member 2 and the locking mechanism 3 on the electric vehicle 100, and improving the locking efficiency.

In this embodiment, the locking members 2 of each battery pack 11 are respectively provided with a plurality of locking members 2, and the plurality of locking members 2 are distributed on the box 111 along two sides of the battery pack 11 in the length direction. The arrangement of the locking pieces 2 can improve the installation firmness and stability of the battery pack 11; along the length direction and/or the width direction of battery package 11, can set up more locking piece 2, be favorable to strengthening the connection between battery package 11 and trade electric vehicle 100. In addition, when the battery pack 11 is disposed along the length direction of the battery replacement vehicle 100, the locking mechanism 3 is arranged in the direction in which the battery replacement vehicle 100 rocks most (the battery replacement vehicle 100 rocks significantly in the front-rear direction), so that the stability of connection between the battery pack 11 and the battery replacement vehicle 100 can be improved. Specifically, in this embodiment, three locking members 2 are respectively disposed on two sides of a single battery pack 11 along the length direction thereof, and the locking members 2 on two sides of the battery pack 11 are uniformly and symmetrically arranged, which is beneficial to uniform stress of each locking member 2. In other alternative embodiments, a plurality of locking members 2 may also be distributed on two sides of the box 111 along the width direction of the battery pack 11; a plurality of locking members 2 can be distributed on the top of the box body 111, so that the battery pack 11 and the electric vehicle can be conveniently positioned and locked.

In this embodiment, the battery pack 11 further includes a first guide mechanism and a second guide mechanism, the first guide mechanism includes a guide 5 disposed on the box body 111 and extending upward and a guide hole 1112 disposed on the box body 111, the guide 5 is configured to cooperate with the guide hole 1112 disposed on the battery replacement vehicle 100, so as to achieve a guide of locking and connecting the battery pack 11 and the battery replacement vehicle 100 in a vertical direction; the second guide mechanism comprises a guide block arranged on the battery pack 11, and the guide block is used for being matched with a guide groove arranged on the battery replacing vehicle 100, so that the battery pack 11 and the battery replacing vehicle 100 are guided in a hanging connection along the vertical direction. Through the matching of the guide piece 5 and the guide hole 1112, when the battery pack 11 is connected with the battery replacement vehicle 100, the movement of the battery pack 11 along the vertical direction can be guided, and the positioning accuracy is improved; the guide block of the second guide mechanism is matched with the guide groove of the battery replacing vehicle 100, so that the movement of the battery pack 11 in one direction of the horizontal plane can be more accurately limited, and the battery pack 11 is prevented from being deviated. Specifically, in this embodiment, the four end corners of the box 111 of a single battery pack 11 are respectively provided with the guide holes 1112, and the battery replacement vehicle 100 is respectively provided with the guide members 5 at corresponding positions, so that the four end corners of the battery pack 11 are guided, and the precision of the guidance is improved. In other alternative embodiments, only the first or only the second guide means may be provided.

In this embodiment, the box 111 further includes a reinforcing frame 1111, the reinforcing frame 1111 is disposed on a side surface of the box 111, and the locking member 2 is disposed on the reinforcing frame 1111. Strengthening frame 1111 can strengthen the overall structure intensity of box 111, strengthening frame 1111 sets up in the side of box 111, can also play certain protection and cushioning effect, avoids the foreign object directly to cause the striking to box 111. Specifically, in this embodiment, along vertical direction, the braced frame 1111 is all worn to locate by the upper and lower both ends of lock 2, and braced frame forms the restraint to the both ends of lock 2 promptly, guarantees that lock 2 does not take place the skew when going up and down or rotary motion along vertical direction to lock 2 and the accurate alignment of the locking mechanism 3 on the battery replacement vehicle 100 when guaranteeing the locking, improve locking precision and locking efficiency.

Specifically, in the present embodiment, the T-shaped lock rod 21 is disposed at an upper position on the side of the battery pack 11 close to the battery replacing vehicle 100, so as to be aligned with the locking mechanism 3 on the battery replacing vehicle 100, at this time, the T-shaped lock rod 21 has a certain distance from a lower position on the side of the battery pack 11 along the vertical direction, so in the present embodiment, the locking member 2 further includes an extending portion 23 (as shown in fig. 3 and 7) disposed along the vertical direction, an upper end of the extending portion 23 is connected with a bottom of the T-shaped lock rod 21, and a lower end of the extending portion 23 passes through the reinforcing frame 1111, so that an external driving mechanism can be used to act on a lower end of the extending portion 23, and the extending portion 23 drives the T-shaped lock rod 21 to perform lifting or rotating motion, so as to lock or unlock the locking member 2 and the locking mechanism 3.

Specifically, in the present embodiment, an operation hole is provided in the reinforcing frame 1111 at a position corresponding to the lock member 2, for accommodating the unlocking linkage. In this embodiment, the unlocking linkage is the extension 23. An unlocking linkage piece is arranged in the operation hole and used for linkage of external unlocking equipment and the T-shaped lock rod 21, and the T-shaped lock rod 21 is driven to rotate through the unlocking linkage piece, so that unlocking and locking are achieved. The unlocking linkage piece can be integrated with the T-shaped lock rod, and can also be connected with the T-shaped lock rod only during unlocking and locking. In other optional embodiments, the operation hole may also be used to allow an external unlocking device to enter, and the external unlocking device, such as a torque gun, may extend into the enclosure space of the reinforcement frame 1111 through the operation hole and directly or indirectly act on the T-shaped lock rod 21, so as to drive the T-shaped lock rod 21 to rotate, thereby unlocking and locking.

In this embodiment, a second buffer is provided on the top of the reinforcing frame 1111. The second bolster sets up in the top of strengthening frame 1111, can avoid battery package 11 to take place hard collision at dismouting in-process and bottom of the car body, slows down the impact, avoids causing the damage to battery package 11.

In this embodiment, the battery pack 11 further includes a case-end electrical connector 112, and the case-end electrical connector 112 is disposed on the top of the case body 111. The box end electric connector 112 is arranged at the top of the box body 111 and is closer to the bottom of the vehicle body of the battery replacing vehicle 100, when the battery pack 11 is vertically connected with the battery replacing vehicle 100, the box end electric connector 112 can be conveniently and directly connected with the vehicle end electric connector of the battery replacing vehicle 100 in an inserting mode, and the connection mode is reliable, stable and convenient.

As shown in fig. 1 to 3, the battery replacement vehicle 100 provided in the present embodiment includes the quick-change battery 1 described above. The battery replacing vehicle 100 is provided with the battery replacing device, so that the battery replacing device and the battery replacing vehicle are more convenient and reliable to lock, and the locking efficiency is improved.

In this embodiment, the battery replacement vehicle 100 further includes a quick-change bracket 101, the quick-change bracket 101 is connected to a vehicle body of the battery replacement vehicle 100, and each battery pack 11 is independently locked to the quick-change bracket 101 in a T-shaped rotation locking manner. The quick-change support 101 is convenient to position and install the quick-change battery 1, and the installation efficiency of the quick-change battery 1 is improved. Specifically, in the present embodiment, the quick-change holder 101 is provided with a guide 5 corresponding to the guide hole 1112 on the battery pack 11 on the side facing the battery pack 11.

In this embodiment, the battery replacement vehicle 100 further includes a vehicle beam 102, and the quick-change bracket 101 is mounted on the vehicle beam 102; the quick-change support 101 is of an integral structure, the quick-change support 101 is provided with a plurality of accommodating areas for the battery packs 11, the quick-change support 101 is convenient to mount the quick-change battery 1, and when the quick-change support 101 is integral, the integrity of the quick-change support 101 is strong, and the quick-change support is connected with the quick-change battery 1 more firmly. In other alternative embodiments, the quick-change brackets 101 may also be a split structure, and each quick-change bracket 101 corresponds to the battery pack 11 one by one, so that the installation and arrangement of the battery pack 11 are more flexible.

In the present embodiment, the battery replacement vehicle 100 is an electric truck. The electric truck has the advantages that the electric truck is large in power consumption and large in required electric energy, the defects that the requirement on power exchange equipment is high and the power exchange is inconvenient due to the fact that the battery is designed into the whole large battery pack 11 in the traditional design mode are overcome by adopting the quick-change battery 1, the single battery pack 11 of the quick-change battery 1 is small in size and weight, convenient to install and durable in endurance, and the quick-change battery is particularly suitable for the electric truck.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships that are based on normal use of the device or assembly, and are used only for convenience of description and for simplicity of description, and do not indicate or imply that the device or assembly referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. The quick-change battery is characterized by comprising a plurality of battery packs, wherein the battery packs are arranged along the width direction of a battery replacement vehicle, and each battery pack is independently locked at the bottom of the vehicle body of the battery replacement vehicle in a T-shaped rotation locking mode along the vertical direction.

2. The quick-change battery as claimed in claim 1, wherein the T-shaped rotation locking manner structure comprises a locking piece and a locking mechanism, the T-shaped rotation locking of the battery pack and the battery replacement vehicle is realized through the mutual cooperation of the locking piece and the locking mechanism, and when one of the locking piece or the locking mechanism is arranged on the battery pack, the other one of the locking piece or the locking mechanism is arranged on the battery replacement vehicle.

3. The quick-change battery according to claim 2, wherein the locking mechanism comprises a lock holder, the locking member comprises a T-shaped lock rod, the T-shaped lock rod comprises a shaft body, and at least one hanging part extending outwards from one end of the shaft body, and the locking member is rotationally locked at a locking position of the lock holder through the hanging part.

4. The quick-change battery according to claim 3, wherein the locking member includes two of the hooking portions, and the two hooking portions extend in opposite directions from one end of the shaft body, respectively.

5. The quick-change battery as claimed in claim 3, wherein the locking member includes three hooks, the three hooks extend from one end of the shaft body in different directions, and included angles are formed between the three hooks.

6. The quick-change battery as claimed in claim 3, wherein the locking member further comprises a locking portion disposed at the other end of the shaft body, the locking portion being configured to limit rotation of the hanging portion relative to the lock base when the hanging portion is located at the locking position of the lock base.

7. The quick-change battery as claimed in claim 6, wherein the locking portion is configured to limit the rotation of the hanging portion relative to the lock seat by any one of a ratchet, a pawl, a bead, a snap and a mesh.

8. The quick-change battery as claimed in claim 3, wherein the locking member further comprises a base, and the T-shaped locking rod is disposed in the base and can be vertically lifted or rotated relative to the base.

9. The quick-change battery as claimed in claim 3, wherein the T-shaped lock rod is further provided with a driving part, and the driving part is used for driving the hanging part to lift or rotate along the vertical direction under the action of an external driving mechanism.

10. The quick-change battery according to claim 3, wherein the lock base has a connecting channel extending in a vertical direction, and a catching portion disposed adjacent to the connecting channel, the connecting channel is used for allowing the hanging portion to move upward in the vertical direction to a position corresponding to the catching portion, and the hanging portion is locked to the catching portion by rotation, so that the locking member is locked to the locking position of the lock base by rotation of the hanging portion.

11. The quick-change battery according to claim 10, wherein the retaining portion is further provided with a guide surface disposed obliquely upward or obliquely downward from the connecting passage.

12. The quick-change battery according to claim 10, wherein the connecting channel is shaped to match the shape of the hook.

13. The quick-change battery as claimed in claim 8, wherein the base comprises an outer base and an inner clamping seat, the inner clamping seat is in threaded connection with the outer base, and a locking groove is formed on the inner clamping seat; the locking groove is a spiral groove for the T-shaped locking rod to lift or rotate along the vertical direction.

14. The quick-change battery as claimed in any one of claims 1-13, wherein the vehicle body of the vehicle comprises a vehicle beam, and the battery pack is located below the vehicle beam, or the battery pack is partially located on the side of the vehicle beam and extends upwards to protrude from the bottom of the vehicle beam.

15. The quick-change battery as claimed in claim 14, wherein the body of the vehicle comprises two said vehicle beams;

the number of the plurality of battery packs is odd, and in the horizontal direction, part of at least one battery pack is arranged between the two vehicle beams; or the like, or a combination thereof,

16. The quick-change battery according to any one of claims 1-13, wherein two adjacent battery packs are arranged at intervals; and/or the presence of a gas in the gas,

and a first buffer piece is arranged between the adjacent battery packs.

17. The quick-change battery according to any one of claims 2-13, wherein the battery pack comprises a box body for accommodating a battery module, the box body is provided with the locking piece, and the locking piece is used for cooperating with a locking mechanism arranged on the battery changing vehicle to lock the battery pack on the battery changing vehicle in a T-shaped rotation locking manner.

18. The quick-change battery as claimed in claim 17, wherein the locking members of each battery pack are respectively provided in plural numbers, the plural locking members are distributed on both sides of the box body along the length direction and/or the width direction of the battery pack, or the plural locking members are distributed on the top of the box body.

19. The quick-change battery according to claim 17, wherein the battery pack further comprises:

and/or, the second guiding mechanism including set up in guide block on the battery package, the guide block be used for with set up in trade the guide way cooperation of electric vehicle, realize the battery package with trade the direction of electric vehicle along vertical direction articulate the connection.

20. The quick-change battery according to claim 17, wherein the case further includes a reinforcing frame disposed on a side of the case, and the locking member is disposed on the reinforcing frame.

21. The quick-change battery according to claim 20, wherein the reinforcing frame is provided with an operating hole at a position corresponding to the locking member, and the operating hole is used for an external unlocking device to enter or is used for accommodating an unlocking linkage member.

22. The quick-change battery according to claim 20, wherein the top of the reinforcing frame is provided with a second bumper.

23. The quick-change battery according to claim 17, wherein the battery pack further comprises a case-end electrical connector disposed at a top of the case.

24. A battery replacement vehicle, characterized in that the battery replacement vehicle comprises a quick-change battery as claimed in any one of claims 1-23.

25. The battery replacement vehicle as claimed in claim 24, further comprising a quick-change bracket connected to a vehicle body of the battery replacement vehicle, wherein each battery pack is independently locked to the quick-change bracket by a T-shaped rotary locking manner.

26. The battery replacement vehicle as claimed in claim 25, further comprising a vehicle beam, wherein the quick-change bracket is mounted to the vehicle beam;

or the quick-change supports are of a split structure, and correspond to the battery packs one by one.

27. The hybrid electric vehicle of any one of claims 24-26, wherein the hybrid electric vehicle is an electric truck.