CN117227568A

CN117227568A - Electric vehicle

Info

Publication number: CN117227568A
Application number: CN202211741171.0A
Authority: CN
Inventors: 张建平; 于新瑞; 褚佳玮
Original assignee: Aulton New Energy Automotive Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd
Priority date: 2022-12-01
Filing date: 2022-12-30
Publication date: 2023-12-15
Also published as: CN219600989U; CN116653572A; CN219096534U; CN220180550U; CN219096478U; CN219106430U; CN219600898U; CN117227566A; CN219487565U; CN219658866U; CN117227565A; CN116653879A; CN116653573A; CN116653574A; CN116653687A; CN117239326A; CN219312729U; CN117227564A; CN219312872U; CN220009715U

Abstract

The application relates to the technical field of new energy automobiles, in particular to an electric vehicle, which comprises: automobile body and battery package, battery package detachable install in the automobile body, the automobile body is equipped with a plurality of first locking mechanism along vertical direction, the battery package is equipped with a plurality of second locking mechanism, the battery package is followed the horizontal direction and is removed between locking position and unblock position, just when the battery package is located locking position, first locking mechanism with the second locking mechanism cooperatees in order to with the battery package lock in the automobile body. According to the electric vehicle, the plurality of locking mechanisms are arranged on each battery pack along the vertical direction, so that the space in the vertical direction of the battery packs is effectively utilized, the load of each locking mechanism is reduced, and the movable parts of the locking mechanisms are prevented from bearing when the battery packs are in the locking positions through the locking mechanisms locked in the horizontal direction, so that the connection firmness and stability of the battery packs and the electric vehicle are improved.

Description

Electric vehicle

The present application claims priority from chinese patent application CN2022115318647, whose filing date is 2022, 12, 1. The present application incorporates the entirety of the above-mentioned chinese patent application.

Technical Field

The invention relates to the technical field of new energy automobiles, in particular to an electric vehicle.

Background

Currently, electric utility vehicles, such as electric trucks, are increasingly emerging in many application scenarios for these vehicles. Because commercial vehicles such as electric trucks and the like have larger capacity demands on battery packs, the charging time of the battery packs is overlong, the capacity and the service life of the battery packs can be greatly reduced no matter what type of battery packs are charged by quick charging at present, even the battery packs are charged quickly, the battery packs need to be charged for nearly half an hour, the charging cost can be greatly increased in the peak period of electricity consumption, and the service efficiency of the electric heavy truck vehicle is affected.

For the above reasons, when the battery is operated in the battery replacement mode, a lot of time can be saved when the battery is replaced compared with the charging, and the battery can be charged by avoiding the peak of the power consumption when the battery is replaced.

Currently, in the related art, a locking mechanism is generally used to fix the battery pack to the vehicle body. However, the problem that the battery pack has a large weight and has a high load-bearing requirement on the locking mechanism of the electric vehicle is that the connection firmness between the battery pack and the electric vehicle is difficult to ensure.

Disclosure of Invention

The invention aims to solve the technical problem of providing an electric vehicle for improving the utilization of installation space and the installation stability of an electric vehicle battery-changing trolley bus pack.

The invention solves the technical problems by the following technical scheme: there is provided an electric vehicle including: automobile body and battery package, battery package detachable install in the automobile body, the automobile body is equipped with a plurality of first locking mechanism along vertical direction, the battery package is equipped with a plurality of second locking mechanism, the battery package is followed the horizontal direction and is removed between locking position and unblock position, just when the battery package is located locking position, first locking mechanism with the second locking mechanism cooperatees in order to with the battery package lock in the automobile body.

According to the invention, the battery pack is locked and unlocked by moving in the horizontal direction, and the battery pack can be operated on the side of the vehicle body through horizontal movement, so that the battery pack can be conveniently loaded in or unloaded out of the side of the vehicle body. Moreover, through a plurality of first locking mechanisms of vertical setting at the automobile body, can make the battery package have a plurality of fixed positions in vertical for the fixed atress of battery package is more balanced stable.

Further, the plurality of battery packs are respectively arranged on two sides of the vehicle body along the width direction of the vehicle body; and/or a plurality of battery packs are arranged on the vehicle body along the length direction of the vehicle body.

With this in order to reach the setting mode of installing battery package at automobile body side for a plurality of battery packages can provide electric energy to electric vehicle simultaneously, and the battery package distributes in the side of automobile body plate body, can utilize the space of automobile body 1 side. The battery packs are respectively arranged in the length direction of the vehicle body, and can be arranged in a scattered manner, so that the weight of the battery pack is reduced, and the battery pack can be conveniently assembled and disassembled.

Further, the body includes a beam; the first locking mechanism is arranged on the vehicle beam, and the battery pack is detachably arranged on the vehicle beam.

Therefore, the battery pack and the vehicle body can be connected more stably.

Further, the first locking mechanism is arranged at the side part and/or the bottom part of the vehicle beam.

Therefore, a large space can be provided between the side of the vehicle and the side of the battery pack, and the installation locking mechanism is facilitated. The first locking mechanism is located the roof beam bottom, can make the battery package have locking mounted position in the hypomere, provides the possibility of optimizing battery package installation space, still can provide the installation stationary force of hypomere to the battery package to improve the fixed effect of roof beam to the battery package

Further, the body comprises a vehicle beam and a battery pack support, the battery pack support is fixedly connected with the vehicle beam, the first locking mechanism is arranged on the battery pack support, and the battery pack is detachably arranged on the battery pack support.

Through installing the battery package at battery package support, can conveniently optimize arrangement mode and the mounting structure who sets up first locking mechanism to be convenient for break through the structural limitation of roof beam itself.

Further, the first locking mechanism is arranged at least one of the top, the side and the bottom of the battery pack bracket.

Through setting up the top, lateral part and the bottom at the battery package support with first locking structure, can be convenient for install first locking mechanism, still usable battery package support's scalability, the position of nimble adjustment first locking mechanism.

Further, when the battery pack is located at the locking position, the first locking mechanism is located at the side and/or the top of the battery pack; the second locking mechanism is arranged at the side part and/or the top part of the battery pack.

The top of the battery pack is fixed, the stress of the battery pack is increased, balanced and stable, and the battery pack is separated from the vehicle body at the upper side, so that the battery pack is protected from the top. Through setting up the side at battery package support with first locking mechanism, can directly fix battery replacement side to utilize the space between battery package side and the automobile body, with the space that utilizes the automobile body on the basis of improving fixed effect.

Further, the projections of at least two first locking mechanisms in the vertical direction are not coincident.

Through arranging the first locking mechanism in a vertically layered and staggered manner, the battery pack can be stressed uniformly after being installed.

Further, the vehicle body is provided with a plurality of rows of first locking mechanisms, and the number of the first locking mechanisms in each row is at least one. Through setting up multirow first locking mechanism, the atress that can further guarantee the battery package is balanced stable.

Further, the vehicle body is provided with a plurality of rows of first locking mechanisms, the number of each row of first locking mechanisms is a plurality of, and the projection of the plurality of rows of first locking mechanisms on the vertical direction is arranged at intervals.

Through such setting, can make the battery package have multirow crisscross fixed point after the installation for the fixed atress of battery package is balanced, still can make on the automobile body transmit the fixed power of battery package more balanced.

Further, the first locking mechanism comprises a lock base, a lock groove is formed in the lock base, the second locking mechanism comprises a lock shaft arranged on the battery pack, and when the battery pack is located at a locking position, the lock shaft moves into the lock groove.

Therefore, when the battery pack is in the locking position, the lock shaft is positioned in the lock groove, and the top and bottom walls of the lock groove vertically limit the lock shaft, so that the locking stability of the locking part can be maintained.

Further, the locking groove comprises a horizontal section and a vertical section which are communicated with each other; when the lock shaft is positioned at one end of the horizontal section, which is connected with the vertical section, the battery pack is positioned at the unlocking position, and when the lock shaft is positioned at the other end of the horizontal section, the battery pack is positioned at the locking position.

Therefore, when the battery pack is installed and detached, the lock shaft is guided to move up and down through the vertical section, the side wall of the vertical section can also play a certain degree of anti-falling limiting role on the lock shaft in the transverse direction, and the bottom of the horizontal section plays a supporting role on the lock shaft.

Further, at least a part of the lock base of the first locking mechanism is provided with a locking portion, the locking portion can movably extend into the locking groove, and when the battery pack is located at the locking position, the locking portion locks the lock shaft in the locking groove.

Through having set up locking portion, can be after removing the lock axle to the horizontal segment, locking portion fixes the lock axle in the locked groove, realizes that the locking of first locking mechanism and second locking mechanism is fixed.

Further, in the vertical direction, the lock portion is provided at least at the lock base of the first lock mechanism provided at the lowest position.

By arranging the locking part on the lock base at the lowest position, the locking of the lock shaft can be formed at the lower position of the battery pack, so that the locking part can be conveniently unlocked by the operation of the vehicle body and the lower side of the battery pack.

Further, the vehicle body further comprises an unlocking part, and the unlocking part is connected with the locking part; the unlocking part is used for driving the locking part to move out of the locking groove under the action of external unlocking equipment so as to release the locking state of the battery pack.

Therefore, the locking part can be unlocked through the unlocking equipment outside the body, for example, the unlocking part can be touched when the battery pack is moved by using the battery replacement equipment.

Further, the vehicle body further comprises a connecting rod, the locking parts of the plurality of first locking mechanisms are connected through the connecting rod, and the unlocking parts are arranged on the connecting rod.

Therefore, the locking part actions of a plurality of first locking mechanisms can be realized simultaneously through one connecting rod, and the unlocking operation is easy to realize.

Further, the vehicle body is provided with a plurality of rows of first locking mechanisms, the number of the first locking mechanisms in each row is multiple, and the locking parts of the first locking mechanisms in the lowest row are connected through connecting rods, so that the operating connecting rods can be triggered at the lower positions of the battery packs, and the vehicle body and the lower sides of the battery packs can be used for unlocking the locking parts conveniently.

And/or, the locking parts of the first locking mechanisms of the non-lowermost rows are connected through a connecting rod, and the first locking mechanisms of other rows below the connecting rod are arranged to avoid the unlocking parts in the vertical direction. Therefore, the battery pack can be fixed at different vertical layers, and the connecting rod is avoided to trigger through the lower row of first locking mechanisms so as to maintain the stability of unlocking actions.

Further, one end of the lock shaft is connected to the battery pack, so that the lock shaft is integrally in a cantilever arrangement mode, and the outer end of the lock shaft conveniently enters the lock groove.

And/or the lock shaft is installed on the battery pack through a mounting bracket, and two ends of the lock shaft are respectively connected with the mounting bracket. The lock shaft is supported at the both ends of the installing support, can make the lock shaft atress more balanced, uses more stably.

Further, the lock shaft is arranged at the side part of the battery pack, one end of the lock shaft is connected with the battery pack, the other end of the lock shaft is provided with an abutting part, and the abutting part is abutted with the side surface of the lock base, which is away from the battery pack.

Therefore, the abutting part can be abutted with the lock base after the lock shaft is inserted into the lock groove, the battery pack can be prevented from moving in the extending direction of the lock shaft, and the battery pack can be fixed.

Further, the battery pack comprises a battery body and a battery pack frame, wherein the battery body is fixedly connected with the battery pack frame, and the second locking mechanism is arranged on the battery pack frame. Through setting up solitary battery package frame, can be in the battery package of being convenient for set up the second locking mechanism, still accessible battery package frame forms certain protection to the battery body.

Further, a first connector is arranged at the top and/or the side part of the battery pack, and a second connector matched with the first connector is arranged on the body of the vehicle body; the first connector is connected with the second connector to realize electric connection and/or liquid cooling connection between the battery pack and the vehicle body.

Further, the vehicle beam comprises two supporting beam bodies which are arranged at intervals along the width direction of the vehicle body; the body further comprises a first reinforcing part, and two ends of the first reinforcing part are respectively connected with the two supporting beam bodies.

Through so setting for the roof beam is whole to form frame construction, strengthens the structural strength of roof beam on the basis of lightening roof beam weight, in order to be able stable in structure when roof beam holds heavy battery package.

Further, the battery pack bracket comprises a first bracket and a second bracket which are respectively arranged at two sides of the vehicle beam, and the battery pack bracket further comprises a second reinforcing part;

preferably, the second reinforcing part passes through the lower side of the vehicle beam, and two ends of the second reinforcing part are respectively connected with the first bracket and the second bracket, so that the first bracket and the second bracket can be in reinforcing connection by utilizing a beam lower space, and particularly the first bracket and the second bracket are in reinforcing connection along the lower side part of the vehicle beam, so that the first bracket and the second bracket are more stable in structure;

preferably, the second reinforcement part passes through the upper side of the vehicle beam, and two ends of the second reinforcement part are respectively connected to the first bracket and the second bracket, so that the first bracket and the second bracket can be connected in a reinforced manner by utilizing the space on the beam, in some embodiments, the installation space can be utilized when the beam is provided with the installation space, and the installation structure of other structural components, such as the fixation of a battery pack on a vehicle body connecting pipeline, can be arranged on the second reinforcement part;

preferably, the second reinforcing part passes through the vehicle beam, and two ends of the second reinforcing part are respectively connected with the first bracket and the second bracket, so that the connection position of the second reinforcing part between the first bracket and the second bracket can be optimized conveniently, and the connection position of the second reinforcing part between the first bracket and the second bracket can be optimized conveniently;

Preferably, the vehicle beam comprises two supporting beam bodies arranged at intervals along the width direction of the vehicle body, the first support and the second support are respectively connected with the two supporting beam bodies, two ends of the second reinforcing part are respectively connected with corresponding positions of the first support and the second support on the supporting beam bodies, so that the second reinforcing part directly acts on the mounting position of the battery pack, and the vehicle beam is reinforced and simultaneously the fixing of the first support and the second support is completed.

Further, the body further includes a connector mounting portion for mounting the second connector; the battery pack holder further includes a third reinforcing portion; and two ends of the third reinforcing part are respectively connected with connector mounting parts on two sides of the vehicle body. The connector mounting parts on two sides of the body are connected into a whole through the third reinforcing part, so that the stability of the mounting structure of the connector mounting part on the body can be improved.

The invention has the positive progress effects that: the invention provides an electric vehicle, wherein a plurality of locking mechanisms are arranged on each battery pack along the vertical direction, so that the space in the vertical direction of the battery packs is effectively utilized, the load of each locking mechanism is reduced, and the movable parts of the locking mechanisms are prevented from bearing when the battery packs are in the locking positions through the locking mechanisms locked in the horizontal direction, so that the connection firmness and stability of the battery packs and the electric vehicle are improved.

Drawings

Fig. 1 is a schematic structural diagram of an electric vehicle according to an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of FIG. 1 with the battery pack removed;

fig. 3 is a schematic view of the structure of the battery pack in the embodiment shown in fig. 1;

fig. 4 is a schematic view illustrating a structure of a battery pack holder according to another embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a battery pack according to the embodiment shown in fig. 4.

Fig. 6 is a schematic top view of the example of fig. 4.

Fig. 7 is a schematic structural diagram of the first locking mechanism in a locked state.

Fig. 8 is a schematic structural diagram of the first locking mechanism in an unlocked state.

Fig. 9 is a schematic structural diagram of a battery pack bracket, a battery pack and a vehicle beam after being matched in another embodiment of the present invention.

Fig. 10 is a partially enlarged schematic view of the battery pack of fig. 9.

Fig. 11 is a schematic view of the structure of the battery pack holder and the battery pack according to the embodiment shown in fig. 9 after the battery pack holder and the battery pack are mated.

Fig. 12 is a schematic view showing the structure of a battery pack holder according to the embodiment shown in fig. 9.

Fig. 13 is a schematic view of the structure of the battery pack in the embodiment shown in fig. 9.

Fig. 14 is a schematic side cross-sectional view of the first locking mechanism of fig. 9.

Description of the reference numerals

A body 1; a vehicle beam 101; a corbel body 1011; a first reinforcing portion 1012; a first bracket 1021; a second bracket 1022; a second reinforcement 1023; a third reinforcing portion 103; a connector mounting section 1024; a lock mounting portion 105;

a battery pack 2;

a first locking mechanism 3; a lock base 301; a locking portion 302;

a second lock mechanism 4; a lock shaft 401; a mounting bracket 402; abutment portion 403

A locking groove 5; a horizontal segment 501; a vertical section 502;

a first connector 6;

a second connector 7;

a connector mounting area 10;

a hanging hole 11;

and a connecting rod 12.

Detailed Description

The invention is further illustrated by means of the following examples, which are not intended to limit the scope of the invention.

Embodiments of the present invention provide an electric vehicle, the implementation of which is illustrated by way of example in fig. 1-14, it being understood that embodiments provided by the present application include, but are not limited to, the forms shown in fig. 1-14, the electric vehicle including: automobile body 1 and battery package 2, battery package 2 detachable installs in automobile body 1, and automobile body 1 is equipped with a plurality of first locking mechanism 3 along vertical direction, and battery package 2 is equipped with a plurality of second locking mechanism 4, and battery package 2 moves between locking position and unblock position along the horizontal direction, and when battery package 2 is located locking position, first locking mechanism 3 cooperatees with second locking mechanism 4 in order to lock battery package 2 in automobile body 1.

According to the electric vehicle disclosed by the invention, the battery pack 2 is enabled to move in the horizontal direction to realize locking and unlocking, the battery pack 2 can be operated by horizontally moving on the side of the vehicle body 1, so that the battery pack 2 can be conveniently loaded in or unloaded from the side of the vehicle body 1, and after the battery pack 22 is moved to the locking position in the horizontal direction, the battery pack 22 is difficult to move to the unlocking position when the battery pack 22 is moved without applying external force, so that the battery pack 22 is stably connected in a use state and is not easy to be invalid in connection. Moreover, through a plurality of first locking mechanism 3 of vertical setting at automobile body 1, can make battery package 2 have a plurality of fixed positions in vertical for the fixed atress of battery package 2 is more balanced stable.

As for the arrangement of the battery packs 2, in the preferred embodiment of the present invention, it may be so arranged that the number of battery packs 2 is plural; the plurality of battery packs 2 are provided on both sides of the vehicle body 1 in the width direction of the vehicle body 1, respectively. Through installing battery package 2 respectively at the width direction of automobile body 1 to reach the setting mode of installing battery package 2 at automobile body 1 side, make a plurality of battery packages 2 can provide electric energy to electric vehicle simultaneously, battery package 2 distributes in the side of automobile body plate body, can utilize the space of automobile body 1 side.

Likewise, the arrangement of the battery packs 2 may also be such that a plurality of battery packs 2 are provided on the vehicle body 1 along the longitudinal direction of the vehicle body 1. Through installing battery package 2 respectively at the length direction of automobile body 1, can disperse the installation battery package 2 to the monomer weight of lightening battery package 2, the dismouting battery package 2 of being convenient for.

As for the manner of mounting the battery pack 2 on the vehicle body 1, in the preferred embodiment of the present invention, it may be so arranged that the vehicle body 1 includes the vehicle body beam 101; the first locking mechanism 3 is provided on the vehicle beam 101, and the battery pack 2 is detachably mounted to the vehicle beam 101. The battery pack 2 is directly mounted on the vehicle beam 101 through the first locking mechanism 3 and the second locking mechanism 4, so that the battery pack 22 is connected with the vehicle body 1 more stably.

In the embodiment in which the first locking mechanism 3 is disposed on the beam 101, the mounting position of the first locking mechanism 3 includes, but is not limited to, the following examples, in which the first locking mechanism 3 is disposed on the side portion of the beam 101, and by disposing the first locking mechanism 3 on the side portion of the beam 101, the corresponding second locking mechanism 4 may be disposed on the side portion of the battery pack 22, and a large space is provided between the side portion of the vehicle and the side portion of the battery pack 2, which is advantageous for disposing the mounting locking mechanism. Second, first locking mechanism 3 sets up in the bottom of roof beam 101, and corresponding, battery package 22 sets up second locking mechanism 4 in the hypomere, can make battery package 2 have locking mounted position in the hypomere through so setting up, provides the possibility of optimizing battery package 22 installation space, still can provide the installation stationary force of hypomere to battery package 22 to improve the fixed effect of roof beam 101 to battery package 22. Alternatively, the first lock mechanism 3 may be provided at both the side and bottom of the vehicle body beam 101.

As for the mounting manner of the battery pack 2 on the vehicle body 1, in the preferred embodiment of the present invention, it may be so arranged that the vehicle body 1 includes the vehicle body beam 101 and the battery pack 2 bracket, the battery pack 2 bracket is fixedly connected with the vehicle body beam 101, the first locking mechanism 3 is provided on the battery pack 2 bracket, and the battery pack 2 is detachably mounted on the battery pack 2 bracket. By mounting the battery pack 2 to the battery pack 2 holder. The arrangement manner and the mounting structure of the first locking mechanism 3 can be conveniently and optimally set so as to break through the structural limitation of the vehicle beam 101 itself. In addition, the accessory mechanisms such as the connector of the vehicle and the like can be arranged on the bracket of the battery pack 2, so that the integral installation and disassembly of the structure of the battery pack 22 are realized, the installation steps and the process are simplified, the installation efficiency is improved, and the existing electric vehicle is convenient to refit.

For the mounting of the battery pack 2 in which the battery pack 2 is held, it is preferable that the first locking mechanism 3 is provided at least one of the top, side, and bottom of the battery pack 2 holder. As shown in the embodiment of fig. 1, the first locking mechanism 3 is disposed at the top of the bracket of the battery pack 2, after the battery pack 22 is mounted, the top of the battery pack 22 is fixed, the stress of the battery pack 22 is increased, balanced and stable, the battery pack 22 is provided with a bracket structure of the battery pack 2 and the first locking mechanism 3, the battery pack 22 is separated from the vehicle body at the upper side, so that the battery pack 22 is protected from the top, and when the first various mechanisms are disposed at the top of the bracket of the battery pack 2, in order to enable the vehicle body 1 to be provided with a plurality of first locking mechanisms 3 in the vertical direction, preferably, the first locking mechanisms 3 can be synchronously disposed at the side or bottom positions of the bracket of the battery pack 2, or the first locking mechanisms 3 are vertically arranged at the top of the bracket of the battery pack 2 in a stepped manner.

As shown in fig. 2, the structure of the battery pack 2 holder holding the top of the battery pack 22 is entirely located at the upper side of the battery pack 22. As in the embodiment shown in fig. 4 and 9, by providing the first locking mechanism 3 on the side of the bracket of the battery pack 2, the battery side of the battery can be directly fixed to use the space between the side of the battery pack 2 and the vehicle body 1, so that the space of the vehicle body 1 can be used while improving the fixing effect.

In the embodiment in which the plurality of first lock mechanisms 3 are vertically provided, one of which is illustrated with reference to fig. 9, and in which two lock portion mounting portions 105 are provided at intervals in the longitudinal direction of the vehicle body 1 with reference to fig. 4, a row of first lock mechanisms is schematically illustrated in the figure, it should be understood that when the plurality of first lock mechanisms 3 are vertically provided, only no less than two lock portion mounting portions 105 need to be vertically provided, and each of the lock portion mounting portions 105 may be provided with the first lock mechanism. With reference to the embodiment shown in fig. 1, the battery pack holder shows an example of top fixing of the first locking mechanism, it should be understood that the form of locking the mounting portion in the embodiment shown in fig. 4 and the form of side battery pack holder in the embodiment shown in fig. 9 may also be applied in the manner shown in fig. 1, wherein the arrangement of the first locking mechanism in the form shown in fig. 1 and fig. 4 may be provided with reference to the arrangement of the first locking mechanism shown in fig. 9 and the following corresponding expanded description.

As a preferred arrangement of the first locking mechanism 3, when the battery pack 22 is in the locked position, when the battery pack 2 is in the locked position, the first locking mechanism 3 is located at the side and/or top of the battery pack 2; the second locking mechanism 4 is provided at the side and/or top of the battery pack 22.

As a preferable arrangement of the first locking mechanism 3, when the battery pack 22 is located at the locked position, as shown in fig. 1 and 2, the first locking mechanism 3 may also be located at the top of the battery pack 22; the second locking mechanism 4 is provided at the top of the battery pack 22. Through setting up first locking mechanism 3 in the top of battery package 2, can realize after the installation of battery package 2 that the top of battery package 2 is fixed, the atress of battery package 22 increases balanced stability, and battery package 2 upside has battery package 2 supporting structure, first locking mechanism 3, forms the separation of battery package 22 upside and automobile body, is favorable to protecting battery package 22 from the top, and as shown in fig. 2, the whole upside that is located battery package 22 of the structure at battery package 22 top is fixed to battery package 2 supporting structure.

With regard to the arrangement of the first locking mechanisms 3, in a preferred embodiment of the invention, a further optimization limitation is that the projections of at least two first locking mechanisms 3 in the vertical direction do not coincide. By arranging the first locking mechanisms 3 in a vertically layered and staggered manner, the battery pack 2 can be stressed uniformly after being mounted.

With regard to the arrangement of the first locking mechanisms 3, in a preferred embodiment of the present invention, a further optimization limitation is that a plurality of rows of first locking mechanisms 3, at least one for each row of first locking mechanisms 3, are provided on the vehicle body 1. By providing the plurality of rows of the first locking mechanisms 3, the stress balance of the battery pack 2 can be further ensured. As in the embodiment shown in fig. 9, two rows of first locking mechanisms 3 are provided at vertical intervals.

As a preferred embodiment of the present invention, in the example shown in fig. 9, more specifically, the body 1 is provided with a plurality of rows of first locking mechanisms 3, and the projections of the plurality of rows of first locking mechanisms 3 in the vertical direction are arranged at intervals. Through such setting, can make battery package 2 have multirow crisscross fixed point after the installation for battery package 2 fixed atress is balanced, still can make on the automobile body 1 the fixed power of transmission battery package 2 more balanced.

Preferably, for the embodiment of the present invention, more specifically, the first locking mechanism 3 includes a lock base 301, a lock groove 5 is provided on the lock base 301, and the second locking mechanism 4 includes a lock shaft 401 provided on the battery pack 2, and when the battery pack 2 is in the locked position, the lock shaft 401 moves into the lock groove 5. As shown in fig. 4, 7, 8, and 12, by providing the first locking mechanism 3 and the second locking mechanism 4 as the lock groove 5 and the lock shaft 401, when the battery pack 22 is in the locked position, the lock shaft 401 is located in the lock groove 5, and the top and bottom walls of the lock groove 5 vertically limit the lock shaft 401, so that the locking stability of the locking portion 302 can be maintained.

Preferably, for the embodiment of the present invention, for the arrangement of the locking groove 5, more specifically, the locking groove 5 includes a horizontal section 501 and a vertical section 502 which are communicated; wherein, when lock shaft 401 is located the one end that horizontal segment 501 links to each other with vertical segment 502, battery package 2 is located the unblock position, and when lock shaft 401 is located the other end of horizontal segment 501, battery package 2 is located the locking position. As shown in fig. 7, by arranging the locking groove 5 into the horizontal segment 501 and the vertical segment 502, the battery pack 2 guides the lock shaft 401 to move up and down through the vertical segment 502 when being assembled and disassembled, and as an optimized arrangement, the vertical segment 502 can optimize the guiding structure of the vertical segment 502 on the basis of little or no additional increase of the vertical height of the lock base 301, so as to conveniently guide the lock shaft 401 to the horizontal segment 501, and facilitate the lock shaft 401 to enter the locking groove 5 more easily. Moreover, the side walls of the vertical section 502 may also provide a degree of anti-slip limit to the lock shaft 401 in the lateral direction. By this arrangement, when the battery pack 2 is mounted, the mounting mode of the lock shaft 401 at the vertical section 502 end and then moving upward and laterally can be moved horizontally, so that the connection structure of the battery pack 22 can be aligned with or connected to the corresponding structure of the vehicle body 1 when moving up and down and laterally.

In a further embodiment of the invention, the locking groove 5 can also be provided with only a horizontal section 501.

In the embodiment of the present invention, preferably, at least part of the lock base 301 of the first lock mechanism 3 is provided with a lock portion 302, and the lock portion 302 is movable to extend into the lock groove 5, and the lock portion 302 locks the lock shaft 401 in the lock groove 5 when the battery pack 2 is in the lock position. By providing the lock portion 302, the lock portion 302 can fix the lock shaft 401 in the lock groove 5 after the lock shaft 401 is moved to the horizontal segment 501, thereby realizing the locking fixation of the first lock mechanism 3 and the second lock mechanism 4. As shown in fig. 12, the locking portion 302 may be provided only in part of the first lock mechanism 3, or the locking portion 302 may be provided in all of the bases.

For the locking fixation of the battery pack 2 to the vehicle body 1, the lock base 301 is not provided with the locking portion 302, and a separate locking portion 302 may be provided, and after the battery pack 2 drives the lock shaft 401 to enter the lock groove 5, the separate locking portion 302 stops the battery pack 2 from moving in the opening direction of the lock groove 5.

In the embodiment in which the lock base 301 is provided with the lock portion 302, it is preferable that the lock portion 302 is provided at least in the lock base 301 of the first lock mechanism 3 provided at the lowest position in the vertical direction. As shown in fig. 12, by providing the lock base 301 at the lowest position with the lock portion 302, the lock shaft 401 for locking the lock shaft 401 can be formed at the lower position of the battery pack 2, so that the unlocking of the operation of the lock portion 302 by the vehicle body 1 and the lower side of the battery pack 2 is facilitated.

In the case where the lock base 301 is provided with the lock portion 302 only in part, the lock base 301 may be provided with the lock portion 302 on the upper side.

In a preferred embodiment, the vehicle body 1 further includes an unlocking portion connected to the locking portion 302; the unlocking part is used for driving the locking part 302 to move out of the locking groove 5 under the action of external unlocking equipment so as to release the locking state of the battery pack 2. Thus, the locking portion 302 can be unlocked by an unlocking device outside the vehicle body 1, for example, the unlocking portion can be touched while the battery pack 2 is moved by using the battery changing device.

For the arrangement of the unlocking portion, in the preferred embodiment, further optimized arrangement is shown in the figure, the body 1 further includes a connecting rod 12, the locking portions 302 of the plurality of first locking mechanisms 3 are connected by the connecting rod 12, and the unlocking portion is provided on the connecting rod 12. As shown in fig. 7, 8, and 12, the locking portions 302 of the plurality of first lock mechanisms 3 can be operated simultaneously by one connecting rod 12, and thus the unlocking operation can be easily performed.

Alternatively, the locking portions 302 of the single first locking mechanism 3 may be provided with unlocking portions, respectively, and the respective locking portions 302 may be separately controlled to be activated.

In the embodiment of the present invention in which the connecting rod 12 is provided, as shown in fig. 7, 8 and 12, preferably, the body 1 is provided with a plurality of rows of first locking mechanisms 3, the number of the first locking mechanisms 3 in each row is plural, and the locking portions 302 of part or all of the first locking mechanisms 3 in the lowermost row are connected by the connecting rod 12, so that the operating connecting rod 12 can be triggered at the lower position of the battery pack 2, thereby facilitating unlocking of the operation of the locking portions 302 by the body 1 and the lower side of the battery pack 2.

The locking portions 302 of some or all of the first locking mechanisms 3 of the non-lowermost row are connected by the connecting rod 12, and the other rows of the first locking mechanisms 3 located below the connecting rod 12 are arranged so as to avoid unlocking portions in the vertical direction. Specifically, according to the manner of setting two rows of first locking mechanisms 3 shown in fig. 12, the locking portions 302 of the upper row of first locking mechanisms 3 may be connected through the connecting rod 12, and after the lower side first locking mechanism 3 avoids the upper side connecting rod 12, the external unlocking device may be conveniently unlocked by moving up and down from the position where the lower side first locking mechanism 3 avoids.

In the connection structure of the lock shaft 401 to the battery pack 22 in the embodiment of the present invention, preferably, one end of the lock shaft 401 is connected to the battery pack 2, and as shown in fig. 13 and 5, the lock shaft 401 is provided in a cantilever manner as a whole, and the outer end of the lock shaft 401 is easily inserted into the lock groove 5. The connection structure of the lock shaft 401 and the battery pack 2 can also adopt a setting mode as shown in fig. 3, the lock shaft 401 is installed on the battery pack 2 through the installation bracket 402, and two ends of the lock shaft 401 are respectively connected with the installation bracket 402. As shown in the figure, the lock shaft 401 is supported by the two ends of the mounting bracket 402, so that the lock shaft 401 is stressed more uniformly and is more stable to use.

In the embodiment of the present invention, in the arrangement of the lock shaft 401, preferably, the lock shaft 401 is arranged at the side of the battery pack 2, one end of the lock shaft 401 is connected to the battery pack 2, the other end of the lock shaft 401 is provided with the abutting portion 403, and the abutting portion 403 abuts against the side surface of the lock base 301 facing away from the battery pack 2. As shown in fig. 13 and 14, by providing the abutting portion 403, the abutting portion 403 can abut against the lock base 301 after the lock shaft 401 is inserted into the lock groove 5, and movement of the battery pack 2 in the extending direction of the lock shaft 401 can be prevented, whereby fixation of the battery pack 2 to the vehicle body 1 can be achieved, whereby fixation of the battery pack 2 to the vehicle body 1 can be completed on one side of the battery pack 2, and in some embodiments, the fixation structure of the battery pack 2 can be simplified.

With respect to the structure of the battery pack 2, in the preferred embodiment of the present invention, as shown in fig. 13, the battery pack 2 includes a battery body and a battery pack frame, the battery body is fixedly connected to the battery pack frame, and the second locking mechanism 4 is provided to the battery pack frame. By providing an individual battery pack frame, the second locking mechanism 4 can be arranged on the battery pack 2 conveniently, and certain protection can be formed on the battery body through the battery pack frame. As shown in the figure, the battery pack 2 support includes a frame body provided at the bottom and side of the battery body.

In the embodiment of the invention, the further optimized arrangement is that the top and/or the side of the battery pack 2 is provided with a first connector 6, and the body 1 is provided with a second connector 7 matched with the first connector 6; the first connector 6 is connected with the second connector 7 to achieve an electrical connection and/or a liquid-cooled connection between the battery pack 2 and the vehicle body 1.

The embodiment of the invention for arranging the vehicle beam 101 is further optimized in that, as shown in fig. 2 and 9, the vehicle beam 101 comprises two supporting beam bodies 1011 which are arranged at intervals along the width direction of the vehicle body 1; the body 1 further includes a first reinforcing portion 1012, and both ends of the first reinforcing portion 1012 are connected to the two strut beams 1011, respectively. Through so setting for roof beam 101 wholly forms frame construction, strengthens the structural strength of roof beam 101 on the basis of lightening roof beam 101 weight, with can stable in structure when roof beam 101 bearing battery package 2, especially through setting up second reinforcing part 1023 and setting up second reinforcing part 1023 in battery package 2 mounted position, guarantee the fixed effect of installation of battery package 2.

As a way of setting the frame 101 and the battery pack 2 bracket, the present invention provides, but is not limited to, the following embodiments, the battery pack 2 bracket includes a first bracket 1021 and a second bracket 1022 respectively disposed on two sides of the frame 101, and the battery pack 2 bracket further includes a second reinforcement 1023;

First, as shown in fig. 4, the second reinforcement 1023 passes through the lower side of the vehicle beam 101, and two ends of the second reinforcement 1023 are respectively connected to the first bracket 1021 and the second bracket 1022, so that the first bracket 1021 and the second bracket 1022 can be connected in a reinforced manner by using the space under the beam, and particularly, the first bracket 1021 and the second bracket 1022 are provided with a portion extending down the lower side of the vehicle beam 101 for reinforcement connection, so that the structure of the first bracket 1021 and the second bracket 1022 is more stable.

Second, the second reinforcement 1023 passes through the upper side of the vehicle beam 101, and two ends of the second reinforcement 1023 are respectively connected to the first bracket 1021 and the second bracket 1022, so that the beam space can be used to perform reinforcement connection between the first bracket 1021 and the second bracket 1022, in some embodiments, the installation space can be used when the beam has the installation space, and the installation structure of other structural components, such as the fixing of the connecting pipeline of the battery pack 22 in the vehicle body 1, can be further provided in the second reinforcement 1023.

Third, the second reinforcement 1023 passes through the vehicle beam 101, and both ends of the second reinforcement 1023 are respectively connected to the first bracket 1021 and the second bracket 1022, that is, a space through which the second reinforcement 1023 passes is provided in the vehicle beam 101, so that the connection position of the second reinforcement 1023 between the first bracket 1021 and the second bracket 1022 can be optimized.

Fourth, the beam 101 includes two supporting beams 1011 disposed at intervals along the width direction of the body 1, the first support 1021 and the second support 1022 are respectively connected to the two supporting beams 1011, and two ends of the second reinforcement 1023 are respectively connected to corresponding positions of the first support 1021 and the second support 1022 on the two supporting beams 1011. The second reinforcement 1023 directly acts on the mounting position of the battery pack 2, thereby reinforcing the vehicle beam 101 and fixing the first bracket 1021 and the second bracket 1022.

In the embodiment provided by the present application, as shown in fig. 9 and 10, for the arrangement of the second connector 7, it is further optimized in that the vehicle body 1 further includes a connector mounting portion 1024 for mounting the second connector 7; the battery pack 2 holder further includes a third reinforcement 103; both ends of the third reinforcement 103 are connected to connector mounting portions 1024 on both sides of the vehicle body 1, respectively. The third reinforcement 103 integrally connects the connector mounting portions 1024 on both sides of the vehicle body 1, so that the stability of the mounting structure of the connector mounting portions 1024 to the vehicle body 1 can be improved.

In one embodiment of the present application, as shown in fig. 7, 8 and 9, the locking portion 302 includes a lock tongue hinged to the lock base 301, and a connecting rod connected to the lock tongue, and the lock tongue extends into the lock groove 5 and can be switched between a state in which the lock shaft 401 is allowed to pass through by the lock shaft 401, and the lock tongue can be driven to rotate by pushing the connecting rod up and down. This is not limiting to the embodiment of the locking portion 302 in the present application, but in alternative embodiments, other forms may be adopted, for example, the locking portion 302 may be a solenoid valve capable of locking and opening the locking slot 5, and the power exchanging device may be provided with a trigger switch or a push rod capable of triggering the unlocking of the battery valve.

In the embodiment shown in fig. 1 and the embodiment shown in fig. 4, although only one row of first lock mechanisms is provided in the vertical direction in the drawing, this serves as an explanation of the arrangement position and direction of the first lock mechanisms. Those skilled in the art can provide the locking mechanism at the lower side of the first locking mechanism shown in the drawings, and can also provide the first locking mechanism at the position shown in fig. 1 and 4, and provide the locking mechanism at the position shown in fig. 1 and 9.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and 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 principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.

Claims

1. An electric vehicle, characterized by comprising: the battery pack is detachably arranged on the vehicle body,

the automobile body is equipped with a plurality of first locking mechanism along vertical direction, the battery package is equipped with a plurality of second locking mechanism, the battery package is followed the horizontal direction and is removed between locking position and unblock position, just when the battery package is located locking position, first locking mechanism with the second locking mechanism cooperatees in order will the battery package lock in the automobile body.

2. An electric vehicle as claimed in claim 1, characterized in that: the number of the battery packs is a plurality; the plurality of battery packs are respectively arranged on two sides of the vehicle body along the width direction of the vehicle body; and/or a plurality of battery packs are arranged on the vehicle body along the length direction of the vehicle body.

3. An electric vehicle as claimed in claim 1, characterized in that: the body comprises a beam; the first locking mechanism is arranged on the vehicle beam, and the battery pack is detachably arranged on the vehicle beam.

4. An electric vehicle as claimed in claim 3, characterized in that: the first locking mechanism is arranged at the side part and/or the bottom of the vehicle beam.

5. An electric vehicle as claimed in claim 1, characterized in that: the automobile body includes roof beam and battery package support, the battery package support with roof beam fixed connection, first locking mechanism set up in on the battery package support, battery package detachably install in the battery package support.

6. An electric vehicle as set forth in claim 5, wherein: the first locking mechanism is arranged at least one of the top, the side and the bottom of the battery pack bracket.

7. An electric vehicle as claimed in claim 1, characterized in that: the first locking mechanism is positioned at the side part and/or the top part of the battery pack when the battery pack is positioned at the locking position;

the second locking mechanism is arranged at the side part and/or the top part of the battery pack.

8. An electric vehicle as claimed in claim 1, characterized in that: the projections of at least two first locking mechanisms in the vertical direction are not coincident.

9. An electric vehicle as claimed in claim 1, characterized in that: the automobile body is last to be provided with the multirow first locking mechanism, every row the quantity of first locking mechanism is at least one.

10. An electric vehicle as claimed in claim 9, characterized in that: the automobile body is last to be provided with the multirow first locking mechanism, every row the quantity of first locking mechanism is a plurality of, the multirow first locking mechanism is arranged at the projection interval of vertical direction.

11. An electric vehicle as claimed in claim 1, characterized in that: the first locking mechanism comprises a lock base, a lock groove is formed in the lock base, the second locking mechanism comprises a lock shaft arranged on the battery pack, and when the battery pack is located at a locking position, the lock shaft moves into the lock groove.

12. An electric vehicle as claimed in claim 11, characterized in that: the locking groove comprises a horizontal section and a vertical section which are communicated with each other; when the lock shaft is positioned at one end of the horizontal section, which is connected with the vertical section, the battery pack is positioned at the unlocking position, and when the lock shaft is positioned at the other end of the horizontal section, the battery pack is positioned at the locking position.

13. An electric vehicle as claimed in claim 11, characterized in that: at least part of the lock base of the first locking mechanism is provided with a locking part, the locking part can movably extend into the locking groove, and when the battery pack is located at the locking position, the locking part locks the lock shaft in the locking groove.

14. An electric vehicle as claimed in claim 13, characterized in that: in the vertical direction, the lock portion is provided at least at a lock base of the first lock mechanism provided at a lowermost position.

15. An electric vehicle as claimed in claim 13, characterized in that: the vehicle body further comprises an unlocking part, and the unlocking part is connected with the locking part;

the unlocking part is used for driving the locking part to move out of the locking groove under the action of external unlocking equipment so as to release the locking state of the battery pack.

16. An electric vehicle as claimed in claim 15, characterized in that: the automobile body still includes the connecting rod, and a plurality of locking portion of first locking mechanism passes through the connecting rod and connects, unblock portion is located on the connecting rod.

17. An electric vehicle as claimed in claim 16, characterized in that: the vehicle body is provided with a plurality of rows of first locking mechanisms, the number of the first locking mechanisms in each row is multiple, and the locking parts of the first locking mechanisms in the lowest row are connected through connecting rods; and/or

And part or all of the locking parts of the first locking mechanisms which are not arranged at the lowest row are connected through a connecting rod, and other first locking mechanisms arranged at other rows below the connecting rod are arranged to avoid the unlocking parts in the vertical direction.

18. An electric vehicle as claimed in claim 11, characterized in that: one end of the lock shaft is connected with the battery pack, and/or

The lock shaft is installed in the battery pack through the installing support, and two ends of the lock shaft are respectively connected with the installing support.

19. An electric vehicle as claimed in claim 18, characterized in that: the lock shaft is arranged on the side part of the battery pack, one end of the lock shaft is connected with the battery pack, the other end of the lock shaft is provided with an abutting part, and the abutting part is abutted with the side face of the lock base, which is away from the battery pack.

20. The electric vehicle of claim 1, characterized in that: the battery pack comprises a battery body and a battery pack frame, wherein the battery body is fixedly connected with the battery pack frame, and the second locking mechanism is arranged on the battery pack frame.

21. An electric vehicle as claimed in claim 1, characterized in that: a first connector is arranged at the top and/or the side part of the battery pack, and a second connector matched with the first connector is arranged on the body of the vehicle body; the first connector is connected with the second connector to realize electric connection and/or liquid cooling connection between the battery pack and the vehicle body.

22. An electric vehicle as claimed in claim 3, characterized in that: the vehicle beam comprises two supporting beam bodies which are arranged at intervals along the width direction of the vehicle body; the body further comprises a first reinforcing part, and two ends of the first reinforcing part are respectively connected with the two supporting beam bodies.

23. An electric vehicle as set forth in claim 5, wherein: the battery pack bracket comprises a first bracket and a second bracket which are respectively arranged at two sides of the vehicle beam, and the battery pack bracket also comprises a second reinforcing part;

The second reinforcing part passes through the lower side of the vehicle beam, and two ends of the second reinforcing part are respectively connected with the first bracket and the second bracket, and/or

The second reinforcing part passes through the upper side of the vehicle beam, and two ends of the second reinforcing part are respectively connected with the first bracket and the second bracket, and/or

The second reinforcing part passes through the vehicle beam, and two ends of the second reinforcing part are respectively connected with the first bracket and the second bracket, and/or

The vehicle beam comprises two supporting beam bodies which are arranged at intervals along the width direction of the vehicle body, the first support and the second support are respectively connected with the two supporting beam bodies, and two ends of the second reinforcing part are respectively connected with the corresponding positions of the first support and the second support on the supporting beam bodies.

24. An electric vehicle as claimed in claim 21, characterized in that: the body further includes a connector mounting portion for mounting the second connector; the battery pack holder further includes a third reinforcing portion; and two ends of the third reinforcing part are respectively connected with connector mounting parts on two sides of the vehicle body.