CN113665406A

CN113665406A - Battery changing station

Info

Publication number: CN113665406A
Application number: CN202010414829.1A
Authority: CN
Inventors: 张建平; 仇丹梁; 刘猛
Original assignee: Aulton New Energy Automotive Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-11-19

Abstract

The invention discloses a battery replacing station which comprises a battery replacing room, a charging room and a battery transferring device, wherein the charging room is arranged above the battery replacing room, the battery transferring device is used for transferring a battery pack between an electric automobile positioned in the battery replacing room and a charging frame of the charging room, the battery transferring device comprises a battery bearing mechanism, the battery bearing mechanism comprises a battery tray used for bearing and positioning the battery pack, an extending mechanism used for driving the battery tray to stretch and retract, and an unlocking mechanism, the unlocking mechanism is arranged on the battery tray, and the unlocking mechanism is used for driving a locking mechanism on the electric automobile to lock or unlock the battery pack. The unlocking mechanism is arranged on the battery tray, the battery tray can drive the unlocking mechanism to move along the telescopic direction of the battery tray, and a driving element which is used for driving the unlocking mechanism to stretch does not need to be additionally arranged, so that the structure of the battery replacement station is simplified. The unlocking mechanism and the battery tray run simultaneously, so that the operation procedure of the battery transfer device can be simplified, and the battery replacement flow is accelerated.

Description

Battery changing station

Technical Field

The invention relates to the field of battery replacement, in particular to a battery replacement station.

Background

The emission of automobile exhaust is still an important factor of environmental pollution, and in order to treat automobile exhaust, natural automobiles, hydrogen fuel automobiles, solar automobiles and electric automobiles are developed to replace fuel-oil type automobiles, and among them, the electric automobiles have the most application prospect.

The current electric automobile mainly comprises a direct charging type and a quick-change type. The direct-charging type is mainly used for some small vehicles, such as taxies, family cars and the like. As a direct-charging electric vehicle, a vehicle is currently charged by using a charging pile constructed on the ground. However, the charging pile is not convenient to manage, and along with the increasing popularization of the electric vehicles, centralized charging management of the electric vehicles is difficult to realize.

The quick change type needs to be realized by means of a battery replacement station. At present, the battery replacing station comprises a battery replacing room, a charging room and a battery transferring device, the battery transferring device needs to firstly unlock the battery pack from the electric automobile in the battery replacing room and the battery frame before taking out the battery pack from the charging frame in the charging bin, and then the operation of taking out the battery pack is carried out, so that the steps are complex. And the traditional unlocking mechanism needs to be driven by an independent driving element, needs to consume a part of energy, and leads to the complicated structure of the power station.

Disclosure of Invention

The invention aims to overcome the defect that an unlocking mechanism of a power changing station needs an independent driving element in the prior art, so that the structure of the power changing station is complex, and provides the power changing station.

The invention solves the technical problems through the following technical scheme:

a power exchanging station comprises a power exchanging chamber, a charging chamber and at least one battery transferring device, wherein the power exchanging chamber and the charging chamber are located on the same side of the battery transferring device, the charging chamber is arranged above the power exchanging chamber, a power exchanging position for enabling an electric automobile to stop for replacing a battery pack is arranged in the power exchanging chamber, a charging frame for charging and discharging the battery pack is arranged in the charging chamber, and the battery transferring device is used for transferring the battery pack between the electric automobile located at the power exchanging position and the charging frame; the battery transfer device includes that the battery bears the weight of the mechanism, the battery bears the weight of the mechanism and includes:

the battery tray is used for bearing and positioning the battery pack;

the extension mechanism is used for driving the battery tray to extend and retract;

the unlocking mechanism is arranged on the battery tray and used for driving a locking mechanism on the electric automobile so as to lock or unlock the battery pack.

In the scheme, the charging chamber is arranged above the battery replacing chamber, so that the whole floor area of the battery replacing station is effectively reduced. The unlocking mechanism is arranged on the battery tray and can be driven by the battery tray to move along the telescopic direction of the battery tray, so that the unlocking mechanism is close to or far away from the electric automobile and the charging rack, and a driving element which is independently used for driving the unlocking mechanism to stretch can not be additionally arranged, the structure of the battery replacement station is simplified, and energy is further saved. And release mechanism and battery tray move simultaneously, can simplify battery transfer device's operation processes for trade the electric flow, improve work efficiency.

Preferably, the unlocking mechanism comprises an unlocking rod and a driving piece, and the driving piece is used for driving the unlocking rod to move along the axis of the unlocking rod so as to drive the locking mechanism to move.

In the scheme, the locking or unlocking of the locking mechanism is realized through the movement of the unlocking rod.

Preferably, the unlocking rod is arranged on the battery tray and connected with the battery tray, and the battery tray is used for driving the unlocking rod to move along the telescopic direction of the battery tray.

In this scheme, the unblock pole is close to electric automobile or charging frame along with battery tray together, and battery tray drives the motion of unblock pole, need not set up alone and is used for driving the flexible drive structure of unblock pole, simplifies the overall structure who trades the power station.

Preferably, the extension mechanism comprises an extension sliding block and an extension guide rail, the extension sliding block is connected with the battery tray, and the extension sliding block is used for driving the battery tray to slide along the extension direction of the extension guide rail.

In this scheme, battery tray realizes along the motion of the extending direction who stretches out the guide rail through stretching out the slider to make battery tray can be close to the battery package on electric automobile or the battery frame.

Preferably, the extension mechanism is a double extension mechanism.

In this scheme, can adjust the extension length who stretches out the mechanism according to the distance between battery package and the battery transfer device to make battery transfer device's application scope wider.

Preferably, the battery tray is provided with guide rollers for guiding the battery pack to enter and exit the battery tray.

In this scheme, the guide running roller is used for restricting the moving direction of battery package to prevent that the battery package from in-process in business turn over battery tray, unable accurate placing on battery tray, electric automobile and charging frame.

Preferably, two sides of the battery tray along the in-out direction of the battery pack are provided with limiting rollers, and the limiting rollers are used for limiting the battery pack entering and exiting the battery tray.

In this scheme, spacing gyro wheel is used for restricting the motion of battery package along its business turn over direction to prevent that the battery transfer device operation in-process, the battery package shifts out the battery tray.

Preferably, the battery carrying mechanism further comprises a tray pushing box, and the tray pushing box is used for driving the battery pack to move along the telescopic direction of the battery tray.

In the scheme, the tray pushing box is used for generating acting force on the battery pack so as to move the battery pack on the electric automobile or the charging rack to the battery tray or move the battery pack on the battery tray to the electric automobile or the charging rack.

Preferably, the pushing box is movably arranged on the battery tray, and the pushing box can move towards or away from the electric vehicle or the charging rack through the extending mechanism so as to push and pull the battery pack on the battery tray.

In this scheme, the dish box that pushes away carries out synchronous movement through the flexible of stretching out and drawing back mechanism.

Preferably, an electromagnetic chuck is arranged on one side surface, facing the battery pack, of the push disc box, and the electromagnetic chuck is used for adsorbing the battery pack.

In the scheme, the battery pack is pushed and pulled by the suction force of the electromagnetic chuck to the battery pack.

Preferably, the battery transfer device further comprises a vertical lifting mechanism, and the vertical lifting mechanism is used for driving the battery bearing mechanism to vertically lift.

In this scheme, electric automobile is located the below and trades the electric room, and the charging frame is located the charging room of top, and vertical elevating system is used for realizing the motion of battery package upper and lower direction, and then realizes transporting the battery package between charging room and trading the electric room.

Preferably, the battery transfer device further comprises a positioning system for positioning the battery transfer device relative to the electric vehicle or the charging rack, so that the battery carrying mechanism can acquire the battery pack on the electric vehicle and the charging rack.

In this scheme, positioning system is used for being that battery transfer device accurately takes out the battery package on the electric automobile to and select suitable battery package to install on electric automobile in the corresponding position of charging frame, improve the accuracy of trading the electricity. In addition, the positioning system can also effectively reduce the running path of the battery transfer device, accelerate the battery replacement process and improve the working efficiency.

Preferably, the positioning system comprises a horizontal positioning system and a vertical positioning system, which are respectively used for horizontally positioning and vertically positioning the battery transfer device so as to align the position of the battery transfer device to the electric vehicle or the charging rack.

In this scheme, horizontal location mainly is the horizontal position of adjustment battery transfer device for electric automobile or charging frame, and vertical location mainly is the high position of adjustment battery bearing mechanism on battery transfer device, and the accuracy of battery transfer device location can be strengthened in the combination of horizontal location and vertical location.

Preferably, the positioning system comprises at least one visual sensor and/or at least one rangefinder.

In this scheme, a vision sensor or a range finder is used to improve the speed and accuracy of the battery transfer device position alignment.

Preferably, trade the power station and still include the driving platform, be equipped with on the driving platform and be used for the gliding ground rail of battery transfer device, ground rail follows trade the length direction extension of electricity room.

In this scheme, the ground rail is used for restricting the orbit of battery transfer device to make battery transfer device can move along accurate direction for electric automobile or charging frame.

Preferably, the lower part of the battery transfer device is provided with a ground rail sliding part matched with the ground rail, and the ground rail sliding part is a sliding block or a pulley.

In this scheme, set up in battery transfer device's lower part be used for with ground rail complex slider, the frictional force that receives when further reducing battery transfer device's lower part slides to it is more smooth and easy to make battery transfer device's slip, and the wear is littleer.

Preferably, the upper portion of the charging chamber is provided with a connecting mechanism for connecting with the upper portion of the battery transfer device, and the battery transfer device can slide through the connecting mechanism.

In this scheme, because trade the power station and be two-layer structure, whole height is higher, coupling mechanism except can guide battery transfer device slip direction, still plays the effect that supports battery transfer device to improve the stationarity when battery transfer device moves.

Preferably, the connection mechanism includes a head rail for sliding the battery transfer device, the head rail extending along a length direction of the charging chamber.

In this scheme, coupling mechanism is including being used for track among the sliding construction, simple structure, and with low costs and simple to operate.

Preferably, the upper part of the battery transfer device is provided with a head rail sliding part matched with the head rail, and the head rail sliding part is a sliding block or a sliding ball.

In this scheme, set up on battery transfer device's upper portion be used for with sky rail complex slider, the frictional force that receives when further reducing battery transfer device's upper portion slides to it is more smooth and easy to make battery transfer device's slip, and the wear is littleer.

Preferably, the charging frame is also provided with the locking mechanism, and the unlocking mechanism can drive the locking mechanism on the charging frame to lock or unlock the battery pack.

In this scheme, the release mechanism on the battery tray can enough realize the release mechanism on locking or the unblock electric automobile, also can lock or unblock the locking mechanism on the charging frame, reduces required release mechanism's quantity, further simplifies the overall structure who trades the power station.

Preferably, the battery replacement station comprises at least two support assemblies arranged at intervals, the at least two support assemblies surround the battery replacement room, each support assembly comprises a plurality of supports arranged at intervals along the length direction of the battery replacement room, the supports arranged at intervals are connected through a cross beam, and the charging room is fixed at the top ends of the support assemblies.

In this scheme, frame construction trades electric room simple structure for the support that shaping frame construction traded electric room realizes automatic streamlined production easily, guarantees to trade electric room preparation cycle and production quality's stability, avoids trading the manufacturing cycle unstability and the unstable defect of quality of electric room because need artifical manufacturing container box and lead to.

Preferably, the charging chamber is of a container structure, and an opening for the battery pack to enter and exit the charging chamber is formed in the side face of the charging chamber.

In the scheme, the charging chamber is positioned above the battery replacing chamber, so that the container type charging chamber can effectively reduce the substances such as rainwater and dust from entering the charging chamber to influence the charging and discharging of the battery pack. The container structure is favorable for maintaining temperature adjustment in the battery pack in the charging process, so that the charging chamber is maintained in a stable temperature range.

The positive progress effects of the invention are as follows: according to the invention, the charging chamber of the battery replacement station is arranged above the battery replacement chamber, so that the whole floor area of the battery replacement station is effectively reduced. Meanwhile, the unlocking mechanism is arranged on the battery tray and can be driven by the battery tray to move along the telescopic direction of the battery tray, so that the unlocking mechanism is close to or far away from the electric automobile and the charging rack, and a driving element which is independently used for driving the unlocking mechanism to stretch and retract is not required to be additionally arranged, so that the structure of the battery replacement station is simplified, and the energy is further saved. And release mechanism and battery tray move simultaneously, can simplify battery transfer device's operation processes for trade the electric flow, improve work efficiency.

Drawings

Fig. 1 is a schematic perspective view of a swapping station according to an embodiment of the present invention.

Fig. 2 is another schematic perspective view of a power swapping station according to an embodiment of the present invention.

Fig. 3 is a schematic perspective view of a battery transfer device according to an embodiment of the present invention.

Fig. 4 is a schematic perspective view of a battery supporting mechanism according to an embodiment of the invention.

Fig. 5 is another schematic perspective view of a battery supporting mechanism according to an embodiment of the invention.

Fig. 6 is a schematic perspective view of an unlocking mechanism according to an embodiment of the present invention.

Fig. 7 is a schematic top view of an unlocking mechanism according to an embodiment of the present invention.

Fig. 8 is a schematic sectional view taken along line a-a of fig. 7.

Fig. 9 is a schematic structural diagram of a positioning system according to an embodiment of the present invention.

Fig. 10 is a schematic front view of a battery transfer device according to an embodiment of the present invention.

Fig. 11 is another schematic perspective view of a power swapping station according to an embodiment of the invention.

Description of reference numerals:

battery changing room 1

Support 11

Charging chamber 2

Charging rack 21

Charging bin 211

Sky rail 22

Mounting bracket 23

Battery transfer device 3

Battery carrying mechanism 31

Vertical lifting mechanism 32

Vertical driving part 321

Chain 322

Sprocket 323

Ground rail sliding part 33

Head rail slider 34

Battery replacement position 4

Battery tray 5

First mounting plate 51

Side connecting plate 52

Extension mechanism 6

Extension slide block 61

Extension guide 62

First guide roller 63

Second guide roller 64

Cartoning-tray guide 65

Unlocking mechanism 7

Unlocking lever 71

Insertion end 711

Connecting part 712

Waist-shaped hole 713

Connecting groove 714

Driving member 72

Rotating unit 721

Connection unit 73

Sleeve 74

Fixing plate 75

Drive unit 76

Mounting plate 77

Pusher box 8

Electromagnetic chuck 81

Vision sensor 91

First position 92

Second position 93

Driving platform 10

Ground rail 101

Detailed Description

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

The embodiment provides a trade power station, carries out the change of battery package for electric automobile. As shown in fig. 1-2, the battery replacement station includes a battery replacement room 1, a charging room 2, and two battery transfer devices 3, the charging room 2 is disposed above the battery replacement room 1, and the two battery transfer devices 3 are disposed on two sides of the battery replacement room 1 in the width direction. Be equipped with in the battery changing room 1 and be used for supplying the electric automobile to stop and carry out the battery package change trade electric position 4, be equipped with in the battery changing room 2 and be used for carrying out the charging frame 21 that charges and discharge to the battery package, battery transfer device 3 is used for transporting the battery package between the electric automobile that is located and trades electric position 4 and charging frame 21.

In other alternative embodiments, the number of the battery transfer devices 3 may also be one or more, and the motion trajectories between a plurality of battery transfer devices 3 are not coincident so as not to interfere with each other and affect the normal operation.

It should be noted that the charging chamber 2 may be located right above the battery changing chamber 1, or may be slightly offset, but for one battery transfer device 3, the battery changing chamber 1 and the charging chamber 2 should be disposed on the same side of the battery transfer device 3, so that the battery transfer device 3 only needs to take and place the battery pack in the same direction, and the structure of the battery transfer device 3 is simplified. And will charge the room 2 setting and be in the top that trades electricity room 1, can effectively reduce and trade the holistic area of power station, trade electricity room 1 and play the effect that supports charge room 2, if will trade electricity room 1 and charge room 2 and set up respectively in the both sides of battery transfer device 3, trade electricity room 1 and hardly can't play even the effect that supports charge room 2, probably need set up other structures that are used for supporting charge room 2 to can't play the effect that reduces and trade the holistic area of power station.

As shown in fig. 3 to 5, the battery transfer device 3 includes a battery carrier 31, and the battery carrier 31 is used for placing a battery pack taken out from the electric vehicle or the charging rack 21. The battery bearing mechanism 31 comprises a battery tray 5, an extending mechanism 6 and an unlocking mechanism 7, wherein the battery tray 5 is used for bearing and positioning a battery pack, the extending mechanism 6 is used for driving the battery tray 5 to stretch, so that the battery tray 5 can be close to a position where the battery pack is placed on an electric automobile or a charging frame 21, and the unlocking mechanism 7 is used for driving a locking mechanism of the electric automobile to lock or unlock the battery pack.

The unlocking mechanism 7 is arranged on the battery tray 5, and the battery tray 5 can drive the unlocking mechanism 7 to move together along the telescopic direction of the battery tray 5, so that the unlocking mechanism 7 is close to or far away from the electric automobile and the charging rack 21. Therefore, an independent driving element for driving the unlocking mechanism 7 to stretch and retract is not needed to be additionally arranged, the structure of the unlocking mechanism 7 is never simplified, the structure of the battery replacement station is further simplified, and energy is further saved. And the unlocking mechanism 7 and the battery tray 5 run simultaneously, so that the operation process of the battery transfer device 3 can be simplified, the battery replacement process is accelerated, and the working efficiency is improved.

The charging frame 21 is also provided with a locking mechanism, and the unlocking mechanism 7 on the battery tray 5 not only can drive the locking mechanism on the electric automobile, but also can drive the locking mechanism on the charging frame 21, so that the battery pack can be locked or unlocked. The same unlocking mechanism 7 can unlock the locking structures at two different positions, the number of the unlocking mechanisms 7 required by the battery replacement station is effectively reduced, and the overall structure of the battery replacement station is further simplified.

The locking mechanism in this embodiment is used to fix the battery pack, so that the battery pack cannot easily move relative to the battery bracket or the charging rack 21 of the electric vehicle.

As shown in fig. 6 to 8, the unlocking mechanism 7 in the present embodiment includes an unlocking lever 71 and a driving member 72, the unlocking lever 71 is used for driving the locking mechanism to move so as to lock or unlock the locking mechanism, and the driving member 72 is used for driving the unlocking lever 71 to move along the axis thereof so as to drive the locking mechanism to move. The unlocking rod 71 and the unlocking matching piece of the locking mechanism are matched and connected with each other to realize the locking or unlocking of the unlocking mechanism 7. The unlocking matching piece is arranged on a battery bracket or a charging frame 21 of the electric automobile, the unlocking rod 71 is connected with the unlocking matching piece in a matching mode, the driving piece 72 drives the unlocking rod 71 to move, the unlocking rod 71 moves to drive the unlocking matching piece to move together, and then the locking mechanism is driven to move integrally, so that locking or unlocking of the locking mechanism is achieved. The locking, unlocking and driving are realized in a rotating and rotating mode in the embodiment, and in other alternative embodiments, the locking, unlocking and driving can also be realized in other motion modes, such as axial expansion and contraction, radial displacement and the like.

Locking or unblock that realizes locking mechanism through driving piece 72 drive unblock pole 71 is rotatory, and the precision of locking or unblock is very high, has improved and has traded electric efficiency, simultaneously, even if unblock pole 71 and unblock matching member take place to touch and can not cause locking mechanism's locking or unblock yet, effectively avoided taking place the maloperation, improved battery transfer device 3's safety and stability greatly.

The unlocking rod 71 is arranged below the battery tray 5 and is connected with the battery tray 5 through a fixing plate 75, the unlocking rod 71 and the driving piece 72 are both fixed on the fixing plate 75, and the battery tray 5 is used for driving the unlocking rod 71 to move along the telescopic direction of the battery tray 5. When the drive battery tray 5 is extended or contracted, the extension mechanism 6 simultaneously drives the unlocking mechanism 7 to move, so that the unlocking rod 71 can be matched with the locking mechanism to realize the locking or unlocking of the locking mechanism.

In other alternative embodiments, the unlocking mechanism 7 may be disposed at other positions relative to the battery tray 5, such as a side edge, an upper portion, and the like of the battery tray 5, and the disposition position of the unlocking mechanism 7 needs to be based on that the unlocking mechanism does not interfere with other components of the battery replacement station, or even interfere with the battery pack. The unlocking mechanism 7 is preferably arranged at a position where the battery tray 5 or the extension mechanism 6 can synchronously drive the unlocking rod 71 to a specified position, and the driving member 72 drives the unlocking rod 71 to rotate along the axis of the unlocking rod 71 so as to lock or unlock the locking mechanism, so that the locking or unlocking function of the locking mechanism can be realized without arranging other driving structures to drive the unlocking rod 71 to stretch or shift again.

The specific structure of the unlocking mechanism 7 can be referred to as follows:

the unlocking rod 71 comprises an insertion end 711, the insertion end 711 is used for being connected with a matched locking mechanism, the extension mechanism 6 drives the unlocking mechanism 7 to extend out synchronously in the extension process, and the insertion end 711 of the unlocking rod 71 is connected and matched with the unlocking matched piece in an insertion mode, so that the locking or unlocking of the unlocking mechanism 7 on the locking mechanism is realized. After the operation is completed, the insertion end 711 and the release fitting are disconnected from each other by the retraction of the extension mechanism 6, thereby achieving the separation. The connection and disconnection are very convenient, the stability is high, and simultaneously, the structure is simple.

The lock release lever 71 has a connecting portion 712 at an end facing the driver 72, the connecting portion 712 has a kidney-shaped hole 713 on an outer circumferential surface thereof, and the connecting portion 712 is connected to the driver 72 through the kidney-shaped hole 713. The lock release lever 71 is connected to the driver 72 by a connecting portion 712, and a kidney-shaped hole 713 extends along the outer circumferential surface of the connecting portion 712 so that the connecting portion 712 can be rotationally adjusted in its circumferential direction when the connection is installed, whereby the lock release lever 71 can be adjusted.

The connecting portion 712 is provided with a connecting groove 714 extending in the axial direction thereof, and the lock release lever 71 is connected to the driving member 72 through the connecting groove 714. The connecting groove 714 extends inwards from the connecting part 712 towards the end surface of the driving piece 72 along the axial direction of the connecting groove, so that the driving piece 72 can be connected with the connecting part 712 by inserting the driving piece 72 into the connecting groove 714, and the installation and the connection are convenient; meanwhile, the unlocking rod 71 is ensured to rotate along the axis thereof, and the unlocking mechanism 7 is higher in stability in the locking or unlocking process.

The unlocking mechanism 7 further includes a connecting unit 73, both ends of the connecting unit 73 are respectively connected to the driving member 72 and the unlocking lever 71, and the driving member 72 drives the unlocking lever 71 to rotate along the axis of the unlocking lever 71 through the connecting unit 73. The driving piece 72 drives the connecting unit 73 to rotate, and the unlocking rod 71 is driven to rotate through the connecting unit 73, so that the unlocking rod 71 is ensured to rotate along the axis thereof, and the unlocking mechanism 7 is higher in stability in the locking or unlocking process.

The connecting unit 73 is slidably disposed on the driving member 72 to drive the unlocking lever 71 to approach the driving member 72. The unlocking mechanism 7 is in the locking or unlocking process, the insertion end 711 of the unlocking rod 71 needs to be accurately inserted into the unlocking matching piece in a contraposition mode, when the unlocking rod is inserted in place, the unlocking rod 71 is abutted against the unlocking matching piece, acting force in the direction close to the driving piece 72 is applied to the unlocking rod 71 by the unlocking matching piece, the connecting unit 73 is slidably arranged on the driving piece 72, the unlocking rod 71 drives the connecting unit 73 to move on the driving piece 72 when receiving acting force in the direction close to the driving piece 72, the damage to the structure caused by rigid connection is effectively avoided, the safety and stability are higher, and the service life is long. Of course, the insertion end 711 of the lock release lever 71 is not inserted into the lock release mating member, and the lock release mating member does not apply a force to the lock release lever 71 in a direction approaching the driving member 72.

The driving member 72 includes a rotating unit 721, and the rotating unit 721 is connected to the connecting unit 73 through the sleeve 74 and serves to drive the unlocking lever 71 to rotate along the axis of the unlocking lever 71. The rotary unit 721 may be a screw driver, among others.

Preferably, the driving member 72 may further include a driving unit 76 and a mounting plate 77, the driving unit 76 and the mounting plate 77 being coupled to the fixing plate so that the driving unit 76 and the mounting plate 77 can be coupled to the battery tray 5, the driving unit 76 being coupled to the mounting plate 77 and serving to drive the mounting plate 77 to move in the axial direction of the lock release lever 71. The driving unit 76 and the mounting plate 77 are arranged on the extension mechanism 6 and can move along with the extension mechanism 6 to the direction close to the electric automobile or the charging rack 21, and the mounting plate 77 is driven by the driving unit 76, so that the mounting plate 77 moves along the axial direction of the unlocking rod 71 relative to the extension mechanism 6, namely moves along the direction close to the unlocking matching piece, the accurate matching of the unlocking rod 71 and the unlocking matching piece is further ensured, and the stability of the battery transfer device is greatly improved.

The driving unit 76 and the mounting plate 77 are mounted on the fixing plate 75, although the structure of the unlocking mechanism 7 is increased, the driving unit 76 can only drive the unlocking rod 71 to extend and retract within a small range, the driving unit 76 is mainly used for more accurately matching the unlocking rod 71, so that the unlocking rod 71 is completely matched with the unlocking matching piece, the unlocking rod 71 can further drive the unlocking matching piece to move through the movement of the unlocking rod 71, and the unlocking rod 71 mainly extends and retracts within a large range by the extension mechanism 6. The driving unit 76 has a smaller structure and occupies a smaller space than when the retraction of the lock release lever 71 can be controlled only by a separate driving member.

The stretching mechanism 6 in this embodiment comprises a stretching slider 61 and a stretching guide rail 62, wherein the stretching slider 61 is connected to the lower end face of the battery tray 5 and used for driving the battery tray 5 to slide along the extending direction of the stretching guide rail 62, and the extending direction of the stretching guide rail 62 is the stretching direction of the battery tray 5. The battery tray 5 is moved in the extending direction of the extension guide rail 62 by the extension slider 61 so that the battery tray 5 can be brought close to a battery pack on an electric vehicle or a battery rack.

The protruding sliding block 61 and the protruding guide rail 62 are matched to play a role in guiding, so that the protruding mechanism 6 moves along a given direction without offset and dislocation, and the stability of the battery transfer device 3 is greatly improved. In this embodiment, the battery tray 5 is provided with a protruding slider 61 and a protruding guide rail 62 on both sides of the lower portion thereof, respectively, which provides high stability. In other alternative embodiments, the number of the extension slider 61 and the extension guide rail 62 may be one or more, but the number of the two should be equal, and the specific arrangement positions of the two can be adjusted according to actual situations.

Further preferably, the stretching mechanism 6 in this embodiment is a double stretching mechanism 6, and the stretching length of the stretching mechanism 6 can be adjusted according to the distance between the battery pack and the battery transfer device 3, so that the application range of the battery transfer device 3 is wider. The working principle of the double-extension mechanism 6 is the prior art in the field and is not described in detail herein.

Still be equipped with the guide running roller on the battery tray 5 of this embodiment, the guide running roller is used for guiding battery package business turn over battery tray 5 to the moving direction of restriction battery package prevents that the battery package from at the in-process of business turn over battery tray 5, can't accurately place on battery tray 5, electric automobile and charging frame 21. The guide roller wheels include a first guide roller wheel 63 for contacting the bottom surface of the battery pack and a second guide roller wheel 64 for contacting the side surface of the battery pack.

The battery tray 5 comprises a first mounting plate 51, the first mounting plate 51 is arranged on the extension mechanism 6 and can be synchronously extended along with the extension mechanism 6, a plurality of first guide rollers 63 are arranged on the first mounting plate 51, and the first guide rollers 63 act on the bottom surface of the battery pack. The battery pack can be placed on the first mounting plate 51 in the taking and placing process, and the stability of the battery pack in the taking and placing process is high. Through the outer peripheral face of a plurality of first guide running roller 63 can contact with the bottom surface of battery package for the battery package reduces the frictional force between battery package, the first mounting panel 51 at the in-process that moves on first mounting panel 51, makes the battery package change and moves on the surface of first mounting panel 51, and stability is higher.

The first mounting plate 51 is provided at both sides thereof with side connection plates 52, and the two side connection plates 52 are disposed perpendicular to the first mounting plate 51 to restrict the battery pack from moving between the two side connection plates 52. Two lateral part connecting plates 52 can play limiting displacement, have effectively injectd the battery package and will be located between two lateral part connecting plates 52 when removing on first mounting panel 51, have effectively avoided the battery package to produce skew dislocation phenomenon at the in-process of putting, have improved battery transfer device 3's safety and stability greatly.

The inner side surfaces of the two side connecting plates 52 are respectively provided with a second guide roller wheel 64, and the second guide roller wheels 64 act on the two side surfaces of the battery pack. When the battery pack moves between the two side connecting plates 52, the two side connecting plates 52 can be respectively contacted with the two side walls of the battery pack through the peripheral surfaces of the second guide rollers 64, so that the friction force between the battery pack and the two side connecting plates 52 is reduced in the process of moving the battery pack on the first mounting plate 51, the battery pack is easier to move on the surface of the first mounting plate 51, and the stability is higher.

Preferably, battery tray 5 still is equipped with spacing gyro wheel along the both sides of the business turn over direction of battery package, and spacing gyro wheel is used for carrying on spacingly to the battery package of business turn over battery tray 5, further restricts the motion of battery package along its business turn over direction to prevent that battery transfer device 3 from moving in-process, the battery package shifts out battery tray 5.

The battery carrying mechanism 31 of this embodiment still includes the pushing away disk box 8, the pushing away disk box 8 sets up on the up end of battery tray 5 and is connected with extension mechanism 6, the pushing away disk box 8 is portable for battery tray 5, the pushing away disk box 8 carries out synchronous motion with extension of extension mechanism 6, the pushing away disk box 8 accessible extension mechanism 6 is from the orientation or keep away from electric automobile or the direction movement of charging frame 21, with the push-and-pull battery package on battery tray 5, thereby can drive the battery package along the flexible direction motion of battery tray 5.

The pusher box 8 is used to generate a force to the battery pack so that the battery pack on the electric vehicle or the charging stand 21 can be moved to the battery tray 5 or the battery pack on the battery tray 5 can be moved to the electric vehicle or the charging stand 21.

When the battery pack is extracted, the extending mechanism 6 extends out relative to the electric automobile or the charging rack 21, the tray pushing box 8 extends forwards to be connected with the battery pack, the tray pushing box 8 moves backwards and pulls the battery pack to the extending mechanism 6, and then the extending mechanism 6 retracts relative to the electric automobile or the charging rack 21 to extract the battery pack. When placing the battery pack, the extension mechanism 6 extends out relative to the electric automobile or the charging rack 21, the tray pushing box 8 moves forwards, so that the battery pack is pushed into the electric automobile or the charging rack 21, then the tray pushing box 8 moves backwards, the extension mechanism 6 retracts relative to the electric automobile or the charging rack 21, and therefore the battery pack is placed.

The battery pack can be pulled to the extending mechanism 6 or pushed out of the extending mechanism 6 through the cartridge pushing 8, so that the battery pack can be taken and placed from the side face of the electric automobile or the charging rack 21, and the battery replacement work can be completed from the side face. Meanwhile, since the extension mechanism 6 in this embodiment is connected below the battery tray 5 and can be extended and retracted with respect to the electric vehicle or the charging stand 21, the battery tray 5 is extended and retracted. Therefore, the distance between the extending mechanism 6 and the electric vehicle or the charging rack 21 is very small, the safety and stability of the battery transfer device 3 are greatly improved, and the battery replacement efficiency is improved.

The stretching mechanism 6 in the embodiment further comprises a pushing disc box 8 guide rail, and the pushing disc box 8 guide rail plays a role in guiding, so that the pushing disc box 8 moves on the stretching mechanism 6 along a given direction without generating offset dislocation, and the stability of the battery transfer device 3 is greatly improved. In this embodiment, two sides of the disc pushing box 8 are respectively provided with a disc pushing box 8 guide rail, and the bottom surface of the disc pushing box 8 can move on the disc pushing box 8 guide rails. In other alternative embodiments, the number of the tracks of the disc-pushing box 8 may be one or more, and the specific arrangement position of the tracks of the disc-pushing box 8 can be adjusted according to actual conditions.

The pushing box 8 is provided with a connecting unit 73, and the connecting unit 73 is used for connecting with the battery pack so as to push and pull the battery pack. The connecting unit 73 is detachably connected with the battery pack, and when the disc pushing box 8 is connected with the battery pack through the connecting unit 73, the disc pushing box 8 drives the battery pack to move together when moving on the extending mechanism 6, so that the battery pack is pushed and pulled. When the push disk box 8 needs to be separated from the battery pack, the connecting unit 73 is disconnected from the battery pack, so that after the battery pack is in place, the push disk box 8 releases the battery pack to continue the subsequent operation, and the repeated use is realized.

The connection unit 73 in this embodiment includes an electromagnetic chuck 81, the electromagnetic chuck 81 is disposed on a side surface of the pushing case 8 facing the battery pack, and the electromagnetic chuck 81 can generate attractive magnetic force with the battery pack to realize the attraction of the battery pack, so that the connection unit 73 is fixedly connected with the battery pack. When the electromagnetic chuck 81 is in an activated state, the electromagnetic chuck 81 generates magnetic force and attracts with the battery pack, so that the electromagnetic chuck 81 and the magnetic member on the battery pack are attracted together, and the connection between the disc pushing box 8 and the battery pack is realized. When the electromagnetic chuck 81 is in the inactive state, the magnetic force of the electromagnetic chuck 81 disappears, so that the magnetic force between the disc pushing box 8 and the battery pack cannot be generated, and the disc pushing box 8 and the battery pack can be separated. Simple structure, convenient use and convenient control and operation.

The battery transfer device 3 in this embodiment further includes a vertical lifting mechanism 32, and the vertical lifting mechanism 32 is used for driving the battery carrying mechanism 31 to vertically lift so as to realize the movement of the battery pack in the vertical direction, and further realize the transfer of the battery pack between the battery changing chamber 1 and the charging chamber 2. The vertical lifting mechanism 32 is connected with the battery carrying mechanism 31, and can drive the battery carrying mechanism 31 to move up and down integrally. The specific structure of the vertical lifting mechanism 32 belongs to the prior art in the field, and is not described in detail herein.

Because a plurality of charging bins 211 are arranged on the charging frame 21 in an array, in order to align the position of the battery transfer device 3 relative to the electric vehicle or the charging frame 21, the battery transfer device 3 further comprises a positioning system, and the positioning system is used for enabling the battery bearing mechanism 31 to accurately obtain the battery packs corresponding to the charging bins 211 on the electric vehicle and the charging frame 21. The positioning system is used for accurately taking out the battery pack on the electric automobile by the battery transfer device 3 and taking out the battery pack from the corresponding charging bin 211 of the charging frame 21 to be installed on the electric automobile, so that the accuracy of battery replacement is improved. In addition, the positioning system can also effectively reduce the running path of the battery transfer device 3, accelerate the battery replacement process and improve the working efficiency.

The positioning system comprises a horizontal positioning system and a vertical positioning system which are respectively used for horizontally positioning and vertically positioning the battery transfer device 3 so as to align the position of the battery transfer device 3 on the electric automobile or the charging rack 21. The horizontal positioning mainly adjusts the horizontal position of the battery transfer device 3 relative to the electric automobile or the charging frame 21, the vertical positioning mainly adjusts the height position of the battery bearing mechanism 31 on the battery transfer device 3, and the combination of the horizontal positioning and the vertical positioning can obtain a positioning coordinate, so that the positioning accuracy of the battery transfer device 3 is enhanced.

The positioning system in this embodiment includes an image processing module and two vision sensors 91 to improve the speed and accuracy of the positional alignment of the battery transfer device 3. The two vision sensors 91 are respectively used for carrying out image acquisition on a first position 92 and a second position 93 on the electric automobile or the charging bin 211 so as to obtain a first image and a second image, and the image processing module carries out image processing on the first image and the second image so as to obtain a position adjustment amount. The specific structure of the positioning system belongs to the prior art in the field, and is not described herein.

In other alternative embodiments, the number of the vision sensors 91 in the positioning system may be one or more, the vision sensors 91 are also replaced by structures having positioning functions, such as distance meters, and when the vision sensors 91 are replaced by other structures, the number of other positioning structures, such as distance meters, is also at least one, and then the graphics processing module for processing the collected data needs to be replaced by the processing module corresponding to the selected positioning structure.

In specific implementation, referring to fig. 9 to 10, two vision sensors 91 respectively acquire a first image of a first position 92 and a second image of a second position 93 of the electric vehicle or the charging bin 211 along directions indicated by arrows, and the image processing module performs image processing after receiving the first image and the second image, so as to obtain position information of the electric vehicle or the charging bin 211. Two images are collected in a visual mode and are combined with the reference image to perform image processing to obtain a position adjustment amount, and the positioning precision is greatly improved.

The battery transfer device 3 further includes a position adjusting mechanism for adjusting the position of the battery carrying mechanism 31 according to at least one of the horizontal displacement amount and the vertical displacement amount acquired by the positioning system until the positioning is completed. The horizontal displacement and the vertical displacement which need to be adjusted can be obtained by obtaining the position adjustment amount through the positioning system, and the position adjustment mechanism obtains the position adjustment amount of the positioning system and adjusts the battery carrying mechanism 31 to complete positioning.

In specific implementation, the position adjusting mechanism comprises a control unit, a horizontal moving unit and a vertical moving unit, wherein the control unit is in communication connection with the positioning system, so that the horizontal moving unit and the vertical moving unit are correspondingly controlled to move to the adjusting position according to at least one of the horizontal displacement and the vertical displacement.

The horizontal moving unit in this embodiment is equivalent to a ground rail sliding member 33 for driving the battery transfer device 3 to move along the length direction of the battery replacing chamber 1, the vertical moving unit is equivalent to a vertical lifting mechanism 32, and the vertical moving unit is for driving the battery carrying mechanism 31 to move in the height direction of the battery replacing chamber 1, so as to adjust the height of the battery carrying mechanism 31 on the battery transfer device 3. The vertical moving unit comprises a vertical driving part 321, a chain 322 and a chain wheel 323, wherein the vertical driving part 321 and the chain 322 are fixed on an external frame 324, the external frame 324 is connected with the battery carrying mechanism 31, the chain wheel 323 is fixed on the battery carrying mechanism 31, the vertical driving part 321 drives the chain 322 to lift, and then the vertical lifting 33 of the battery carrying mechanism 31 is realized by driving the chain wheel 323 to lift through the chain 322.

The power exchanging station in the embodiment further comprises a traveling platform 10, the traveling platform 10 is arranged below the power exchanging chamber 1 and encloses a power exchanging position 4 for parking the electric vehicle and exchanging a battery pack together with the power exchanging chamber 1, and the traveling platform 10 can be used for guiding the electric vehicle to travel to the power exchanging position 4. Two be used for the gliding ground rail 101 of battery transfer device 3, two ground rails 101 all extend along the length direction who trades battery room 1 to fix on the top surface of driving platform 10, and set up respectively and trade the both sides of battery room 1 width direction, two ground rails 101 are connected with the battery transfer device 3 that trades battery room 1 both sides respectively. The ground rail 101 is used to limit the travel track of the battery transfer device 3 so that the battery transfer device 3 can move in the correct direction relative to the electric vehicle or the charging stand 21. The ground rail 101 is a rail commonly used in a sliding structure, and has a simple structure, low cost and convenient installation.

The lower part of the battery transfer device 3 is provided with a ground rail sliding part 33 matched with the ground rail 101, the ground rail sliding part 33 in the embodiment is of a roller structure, and the battery transfer device 3 slides in the length direction of the battery replacing chamber 1 by rolling of the ground rail sliding part 33 on the ground rail 101. The cooperation of gyro wheel and track further reduces the frictional force that receives when battery transfer device 3's lower part slides to it is more smooth and easy to make battery transfer device 3's slip, and the wear is littleer. In other alternative embodiments, the ground rail sliding member 33 may also adopt other structures, such as a sliding block, to realize sliding relative to the ground rail 101.

The upper portion of the charging chamber 2 is provided with a connecting mechanism for connecting with the upper portion of the battery transfer device 3, and the battery transfer device 3 can slide through the connecting mechanism. Because trade the power station and be two-layer structure, whole height is higher, and coupling mechanism not only can guide 3 slip directions of battery transfer device, still plays the effect of supporting battery transfer device 3 to improve the stationarity when battery transfer device 3 moves.

The coupling mechanism in this embodiment is including setting up two day rails 22 at the 2 top surfaces of charging chamber, and two day rails 22 intervals set up in the 2 width direction's of charging chamber both sides for be connected with the battery transfer device 3 of 2 both sides of charging chamber respectively, and day rail 22 extends along the length direction of charging chamber 2, and day rail 22 is for being commonly used in the track of sliding construction, simple structure, and is with low costs and simple to operate.

The upper part of the battery transfer device 3 is provided with a head rail sliding part 34 matched with the head rail 22, the head rail sliding part 34 in the embodiment is of a sliding block structure matched with the head rail 22, and the friction between the head rail sliding part 34 and the head rail 22 is large. In other alternative embodiments, in order to make the sliding of the top rail sliding part 34 relative to the top rail 22 smoother, the top rail sliding part 34 may be designed to be a sliding ball or roller structure, so as to further reduce the friction force applied when the upper part of the battery transfer device 3 slides, thereby making the sliding of the battery transfer device 3 smoother and less worn.

In other alternative embodiments, the top rail 22 is not limited to be disposed on the top surface of the charging chamber 2, but may be disposed on the side of the upper portion of the charging chamber 2, and the top rail 22 is located higher than the charging rack 21 to prevent interference with the top rail 22 when the battery transfer device 3 takes out the battery.

As shown in fig. 11, the sky rail 22 may also be disposed above the charging chamber 2, the battery changing chamber 1 and the charging chamber 2 further include a mounting bracket 23 outside, the sky rail 22 is fixed at the top end of the mounting bracket 23, and the bottom end of the mounting bracket 23 may be mounted on the driving platform 10 or may be mounted on the ground. The structural strength of the sky rail 22 can be effectively strengthened by the mounting bracket 23, and the stability of the sky rail 22 is further improved, so that the accurate positioning of the battery transfer device 3 is realized, and the battery pack is replaced. In order to further reinforce the structural strength of the mounting bracket 23, the mounting bracket 23 and the charging chamber 2 may be connected by a connector.

Two battery transfer devices 3 on two sides of the battery replacing room 1 are respectively connected to different sky rails 22 and ground rails 101, so that the two battery transfer devices can be controlled by the same control system to simultaneously operate, the operation tracks of the two battery transfer devices 3 can be respectively controlled by different control systems, and the battery replacing efficiency is improved.

Trade battery room 1 in this embodiment is frame construction, is enclosed by the bracket component that two intervals set up, and the interval direction of bracket component is on a parallel with the width direction who trades battery room 1, and every bracket component includes many supports 11 along trading the length direction interval setting of battery room 1, and the support 11 that a plurality of intervals set up passes through the crossbeam to be connected, and the top at a plurality of bracket components is fixed to charging chamber 2. The battery replacing chamber 1 with the frame structure is simple in structure, automatic assembly line production is easily achieved for the support 11 of the battery replacing chamber 1 with the formed frame structure, the manufacturing period and the production quality stability of the battery replacing chamber 1 are guaranteed, and the defects that the manufacturing period of the battery replacing chamber 1 is unstable and the quality is unstable due to the fact that a container box body needs to be manufactured manually are overcome. In other alternative embodiments, the number of the bracket assemblies may be more, and a plurality of the bracket assemblies arranged at intervals jointly enclose the battery replacing chamber 1.

The charging room 2 above the battery changing room 1 is of a container structure, and the side surface of the charging room 2 is provided with an opening for the battery pack to enter and exit the charging room 2. The battery transfer device 3 is arranged on the side surface of the charging chamber 2, and the battery transfer device 3 takes out the battery pack on the charging rack 21 from the opening of the charging chamber 2 and places the battery pack on the battery tray 5 or places the battery pack on the battery tray 5 on the charging rack 21. Because the charging chamber 2 is positioned above the battery replacing chamber 1, the container type charging chamber 2 can effectively reduce the substances such as rainwater and dust from entering the charging chamber 2, and the influence on the charging and discharging of the battery pack is prevented. The container structure is also beneficial to maintaining the temperature adjustment in the battery pack in the charging process, so that the charging chamber 2 is maintained in a stable temperature range.

Preferably, the upper portion of the side of the charging chamber 2, the upper portion of the battery shipping device and the middle area between the charging chamber and the battery shipping device can be further provided with a shielding cover for shielding rainwater, so that the battery pack is further prevented from being corroded by substances such as rainwater, and the damage of the battery pack is accelerated.

The length direction of the battery changing chamber 1 is parallel to the length direction of the charging chamber 2, and the width direction of the battery changing chamber 1 is parallel to the width direction of the charging chamber 2.

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, as used herein, refer to an orientation or positional relationship indicated based on the position of a device or component in normal use, for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or component so referred to must have a particular orientation, be constructed and operated in a particular orientation at any time, unless otherwise specified herein.

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 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 scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. The battery replacement station is characterized by comprising a battery replacement room, a charging room and at least one battery transfer device, wherein the battery replacement room and the charging room are positioned on the same side of the battery transfer device, the charging room is arranged above the battery replacement room, a battery replacement position for replacing a battery pack when an electric automobile stops is arranged in the battery replacement room, a charging frame for charging and discharging the battery pack is arranged in the charging room, and the battery transfer device is used for transferring the battery pack between the electric automobile positioned at the battery replacement position and the charging frame; the battery transfer device includes that the battery bears the weight of the mechanism, the battery bears the weight of the mechanism and includes:

the battery tray is used for bearing and positioning the battery pack;

2. The swapping station of claim 1, wherein the unlocking mechanism comprises an unlocking rod and a driving member, wherein the driving member is used for driving the unlocking rod to move along the axis of the unlocking rod so as to drive the locking mechanism to move.

3. The power station as claimed in claim 2, wherein the unlocking lever is disposed on the battery tray and connected to the battery tray, and the battery tray is configured to drive the unlocking lever to move along a telescopic direction of the battery tray.

4. The battery swapping station as in claim 1, wherein the extension mechanism comprises an extension slider and an extension guide rail, the extension slider is connected with the battery tray, and the extension slider is used for driving the battery tray to slide along the extension direction of the extension guide rail.

5. The swapping station of claim 4, wherein the extension mechanism is a dual extension mechanism.

6. The battery swapping station as in claim 1, wherein a guide roller is disposed on the battery tray and used for guiding the battery pack to enter and exit the battery tray.

7. The battery swapping station as claimed in claim 6, wherein the battery tray is provided with limiting rollers at two sides along the in-out direction of the battery pack, and the limiting rollers are used for limiting the battery pack entering and exiting the battery tray.

8. The battery swapping station as in claim 1, wherein the battery carrying mechanism further comprises a tray pushing mechanism for moving the battery pack in a telescopic direction of the battery tray.

9. The swapping station of claim 8, wherein the cartridge is movably disposed on the battery tray, and the cartridge is movable by the extension mechanism away from or toward the electric vehicle or the charging rack to push or pull the battery pack onto the battery tray.

10. The battery replacement station as claimed in claim 9, wherein an electromagnetic chuck is arranged on a side of the tray pusher towards the battery pack, and the electromagnetic chuck is used for adsorbing the battery pack.

11. The battery swapping station as in claim 1, wherein the battery transferring device further comprises a vertical lifting mechanism for driving the battery carrying mechanism to vertically lift.

12. The swapping station of claim 1, wherein the battery transfer device further comprises a positioning system for positional alignment of the battery transfer device relative to the electric vehicle or the charging rack to enable the battery carrying mechanism to access the battery packs on the electric vehicle and the charging rack.

13. The power station as recited in claim 12 wherein the positioning system comprises a horizontal positioning system and a vertical positioning system for horizontally positioning and vertically positioning the battery transfer device for positional alignment of the battery transfer device with the electric vehicle or the charging rack, respectively.

14. The swapping station of claim 12, wherein the positioning system comprises at least one visual sensor and/or at least one rangefinder.

15. The battery replacement station according to claim 1, further comprising a traveling platform, wherein a ground rail for sliding the battery transfer device is arranged on the traveling platform, and the ground rail extends along the length direction of the battery replacement chamber.

16. The battery replacement station as claimed in claim 15, wherein the lower part of the battery transfer device is provided with a ground rail sliding part matched with the ground rail, and the ground rail sliding part is a sliding block or a pulley.

17. The battery changing station as recited in claim 1 wherein an upper portion of the charging chamber is provided with a connection mechanism for connecting with an upper portion of the battery transfer device, the battery transfer device being slidable through the connection mechanism.

18. The charging station of claim 17, wherein the connection mechanism comprises a head rail for sliding the battery transfer device, the head rail extending along a length of the charging chamber.

19. The battery replacement station as claimed in claim 18, wherein the upper part of the battery transfer device is provided with a sky rail sliding part matched with the sky rail, and the sky rail sliding part is a sliding block or a sliding ball.

20. The charging station as set forth in claim 1, wherein the locking mechanism is also disposed on the charging rack, and the unlocking mechanism is capable of driving the locking mechanism on the charging rack to lock or unlock the battery pack.

21. The battery replacement station according to claim 1, wherein the battery replacement station comprises at least two support assemblies arranged at intervals, the at least two support assemblies define the battery replacement chamber, the support assemblies comprise a plurality of supports arranged at intervals along the length direction of the battery replacement chamber, the plurality of supports arranged at intervals are connected through a cross beam, and the charging chamber is fixed at the top ends of the plurality of support assemblies.

22. The battery swapping station as in claim 21, wherein the charging chamber is in a container structure, and an opening for the battery pack to enter and exit the charging chamber is formed in a side surface of the charging chamber.