CN115009080B

CN115009080B - Battery replacement equipment and battery replacement station comprising same

Info

Publication number: CN115009080B
Application number: CN202110240816.1A
Authority: CN
Inventors: ***; 陈新雨; 唐燕洁; 林彦之
Original assignee: Aulton New Energy Automotive Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2024-07-02
Anticipated expiration: 2041-03-04
Also published as: CN115009080A

Abstract

The invention discloses a power conversion device and a power conversion station comprising the same, wherein the power conversion device is used for a power conversion station and comprises a first roller group, and the first roller group is used for driving the power conversion device to move along a first direction; the second roller group is used for driving the battery changing equipment to move along a second direction; the first direction and the second direction intersect in a horizontal direction. According to the power exchange equipment and the power exchange station disclosed by the invention, the power exchange equipment can realize different paths of transportation of the battery pack without assistance of other mobile equipment, so that the transportation flow is saved, the cost of the power exchange station is reduced, the waiting and avoiding positions of the power exchange equipment are increased, and the efficiency and the safety of the cooperative work of a plurality of power exchange equipment are improved. The battery replacement equipment can directly bear the abnormal battery pack to convey the battery replacement station, so that the transportation time is shortened, and the overall safety of the battery replacement station is improved. The battery pack can also be transported into or out of the battery exchange station to facilitate replacement of the battery pack within the battery exchange station.

Description

Battery replacement equipment and battery replacement station comprising same

Technical Field

The invention relates to the field of power conversion, in particular to power conversion equipment and a power conversion station comprising the same.

Background

With the rapid development of new energy in recent years, the energy storage field has received attention from all countries in the world, and both electric vehicles and energy storage stations have been developed.

The current electric vehicle mainly comprises a direct charging type electric vehicle and a quick-changing type electric vehicle. The quick-change type electric vehicle has the characteristics of dynamoelectric, networking, intellectualization and sharing, and solves the problems of power-on endurance and battery pack service life of the existing electric vehicle. But quick change requires quick replacement of the battery pack by means of a battery exchange station. At present, a power exchange station mainly comprises a power exchange chamber and a charging chamber, an electric vehicle is parked in the power exchange chamber to exchange electricity, and a power exchange robot shuttles between the power exchange chamber and the charging chamber to realize the replacement of a battery pack between the power exchange chamber and the electric vehicle. The battery pack detached from the electric vehicle is placed in a charging bin of the charging chamber for charging.

Firstly, the battery pack is accidentally broken down during charging, and serious damage to the structure of the charging rack and other battery packs on the charging rack can be caused by burning or even explosion on the charging rack, so that great loss is caused. To avoid that an abnormal battery pack affects other battery packs on the charging rack, the abnormal battery pack is usually taken out from the charging rack and transported to a safe area far away from the charging rack for processing. In the existing power exchange station, the process of transporting the abnormal battery pack away from the charging frame is as follows: firstly, the transfer equipment is required to take out the abnormal battery pack from the charging frame, then the abnormal battery pack is placed on the motor replacing robot, then the hoisting equipment is adopted to take out the abnormal battery pack from the motor replacing robot and place the abnormal battery pack on other transport equipment to transport away from the charging frame or the power replacing station, the process is complex, the processing time is long, and the abnormal battery pack can be sent to burn or even explode without transporting away from the charging frame or the power replacing station.

Disclosure of Invention

The invention aims to overcome the defects that in the prior art, the process of transporting a battery pack by using a power exchange device is complex, other devices are needed, and the consumed time is long, and provides the power exchange device and a power exchange station comprising the power exchange device.

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

A power conversion apparatus for performing a power conversion operation for a vehicle and carrying and transporting a battery pack, comprising:

The first roller group is used for driving the battery changing equipment to move along a first direction;

the second roller group is used for driving the battery changing equipment to move along a second direction;

The first direction and the second direction intersect in a horizontal direction.

In this scheme, adopt above-mentioned structural style, the battery replacement equipment can be respectively along non-parallel first direction and second direction removal through first roller train and second roller train, need not to assist with the help of other mobile device and can realize the different route transportation of battery package, has saved the transportation flow, has also reduced the battery replacement station cost, has increased the waiting of battery replacement equipment, has dodged the position, has improved a plurality of battery replacement equipment collaborative work's efficiency and security. Particularly, when the abnormal battery pack is processed, the battery replacement equipment can be used for directly bearing the abnormal battery pack to convey the battery replacement station, so that the conveying time is shortened, the abnormal battery pack is conveyed out of the battery replacement station before being burnt or not exploded as much as possible, and the overall safety of the battery replacement station is improved. In addition, the battery pack can be transported into or out of the power exchange station, so that the battery pack in the power exchange station can be replaced conveniently.

Preferably, the power conversion device is switchable between a first state and a second state;

In the first state, the rolling surface of the first roller group is contacted with the ground, and the rolling surface of the second roller group is not contacted with the ground;

In the second state, the rolling surface of the second roller group contacts the ground, and the rolling surface of the first roller group does not contact the ground.

In the scheme, the state of the first roller group and the state of the second roller group are switched, so that the first roller group only moves along the first direction or the second roller group only moves along the second direction in the same time, and when one roller group operates to move along one direction, the other roller group does not interfere with the operation of the roller group, and the movement of the power exchange device is more stable.

Preferably, the first roller group is connected to the power conversion equipment in a lifting manner, and the power conversion equipment is switched between a first state and a second state by lifting the first roller group; and/or

The second roller group is connected to the power exchanging device in a lifting mode, and the power exchanging device is switched between a first state and a second state in a lifting mode of the second roller group.

In the scheme, the state of the first roller group and the state of the second roller group are switched in a lifting mode by adopting the structural form, so that the state switching of the roller group and the ground contact can be realized more conveniently, the moving state switching of the power conversion equipment is simple, and the power conversion equipment is easy to realize.

Preferably, the first roller group comprises a first side wheel and a second side wheel which are arranged along a first side surface and a second side surface of the power conversion equipment, and the first side surface and the second side surface are parallel to the first direction;

the second roller group comprises a third side wheel and a fourth side wheel which are arranged along a third side face and a fourth side face of the battery exchange device, and the third side face and the fourth side face are parallel to the second direction.

In this scheme, adopt above-mentioned structural style, every roller set is including setting up the two sets of side wheels in both sides, and two sets of side wheels set up respectively on being on a parallel with two sides of direction, can make the removal of trading the electric installation more steady.

Preferably, the first side wheel is a grooved wheel, a rolling surface of the grooved wheel is provided with a sliding groove, the second side wheel is a flat pulley, and the rolling surface of the flat pulley is a smooth plane; and/or

The third side wheel is a grooved wheel, a sliding groove is formed in the rolling surface of the grooved wheel, the fourth side wheel is a flat pulley, and the rolling surface of the flat pulley is a smooth plane.

In this scheme, adopt above-mentioned structural style, one side gyro wheel of first roller train and second roller train sets up to the sheave can be through setting up the mode such as track with the sheave card locate on the track to the direction of movement to the battery replacement equipment leads, makes the removal of battery replacement equipment more stable. Particularly, when only one side roller in each roller group is a grooved wheel, the situation that the grooved wheel and the rail are blocked when the battery replacement equipment moves along the rail can be avoided.

Preferably, the diameter of the bottom of the chute of the first side wheel is the same as the diameter of the rolling surface of the second side wheel; and/or

The diameter of the bottom of the chute of the third side wheel is the same as the diameter of the rolling surface of the fourth side wheel.

In the scheme, by adopting the structural form, the diameter of the groove bottom of the first side wheel is the same as that of the second side wheel, the rail with the flush upper surface is correspondingly adopted, so that the power conversion equipment can be kept horizontal, and the rail is simple and convenient to install.

Preferably, the diameter of the rolling surface of the first side wheel is the same as the diameter of the rolling surface of the second side wheel; and/or

The diameter of the rolling surface of the third side wheel is the same as the diameter of the rolling surface of the fourth side wheel.

In the scheme, by adopting the structural form, after the side wheels are mounted on the power exchange equipment, the power exchange equipment can be kept horizontal, the power exchange equipment is convenient to assemble and debug, and particularly when the side wheels can be lifted, the diameters of the roller surfaces are the same, the same lifting height is controlled, and the control method is simplified.

A power exchange station comprising a vehicle-mounted platform for carrying a vehicle entering the station for performing a power exchange operation on the vehicle;

the power exchange station further comprises power exchange equipment as described above;

The vehicle-mounted platform comprises a platform body, a first channel extending along the first direction and a second channel extending along the second direction are arranged below the platform body, the first channel and the second channel meet, and the power conversion equipment is arranged on the first channel and/or the second channel.

In the scheme, the power exchange station is used for carrying out power exchange operation on the vehicle, the power exchange equipment is used for carrying out power exchange operation on the platform body of the vehicle carrying platform in the power exchange station after the vehicle enters the power exchange station, and the power exchange equipment can move on the first channel or the second channel through switching the motion state. The battery pack is taken out, installed, detached and transported for storage. One channel is used for communicating the battery changing area and the charging area, the other channel is used for communicating the battery changing area and the non-charging area, when the battery pack is abnormal, the battery changing equipment can bear the abnormal battery pack to directly convey the battery pack to the non-charging area, so that the abnormal battery pack is prevented from burning or exploding in the battery changing area or the charging area to other battery packs and vehicles, the whole conveying process is not assisted by other equipment, the processing time is short, and the safety of the battery changing station can be greatly improved. In addition, the waiting and avoiding positions of the power conversion equipment are increased, and the efficiency and the safety of the collaborative work of the plurality of power conversion equipment are improved.

Preferably, the first direction is perpendicular to the running direction of the vehicle on the vehicle carrying platform, and the second direction is parallel to the running direction of the vehicle on the vehicle carrying platform.

In the scheme, the battery pack taking-out and replacing device adopts the structural form, the first direction is perpendicular to the running direction of the vehicle in the power exchanging station, the power exchanging device can conveniently move perpendicular to the running direction of the vehicle, and the battery pack taking-out and replacing operation on the vehicle can be conveniently carried out. The second direction is parallel to the running direction of the vehicle, so that the battery pack can be conveniently transported out of the battery exchange station from the battery exchange station through the battery exchange station outlet by the battery exchange equipment.

Preferably, the platform body is provided with a power exchange port, the first channel is communicated with a charging area of the power exchange station and the power exchange port, and the second channel is communicated with a waiting area of the power exchange station and the power exchange port.

In this scheme, adopt above-mentioned structural style, offered on the platform body and traded the electric mouth, trade electric equipment and trade electric operation to the vehicle through this electric mouth that trades, the first passageway communicates the charging area and the electric mouth that trade the electric station respectively, trades electric equipment and takes out the battery package and trade to the vehicle or transport the battery package of taking off on the vehicle to the charging area through first passageway. The second channel is respectively communicated with a waiting area and a battery exchange port, the waiting area refers to an area where a vehicle waits to enter or exit from a battery exchange station, and the battery exchange equipment can bear a battery pack to enter or exit from the battery exchange station through the arrangement of the second channel.

Preferably, the first channel comprises a first guide rail, and the battery replacing device is borne on the first guide rail through the first roller group;

The second channel comprises a second guide rail, and the battery replacing equipment is borne on the second guide rail through the second roller group.

In the scheme, the first channel and the second channel are connected with the power conversion equipment through the first guide rail and the second guide rail, and the first roller group and the second roller group of the power conversion equipment are connected to the first guide rail and the second guide rail and move on the guide rail so as to guide the moving path of the power conversion equipment, so that the power conversion equipment can bear a battery pack to run along a preset path.

Preferably, the first guide rail comprises a first rail and a second rail which are arranged in parallel;

the second guide rail comprises a third rail and a fourth rail which are arranged in parallel;

The first track, the second track, the third track and the fourth track are arranged in a crossing manner.

In the scheme, the two guide rails respectively correspond to the two groups of side wheels of the roller group, so that the movement of the power exchange equipment is stable, meanwhile, the rails are arranged in a crossing manner, and the power exchange equipment can conveniently switch the rails.

Preferably, the first rail is provided with a first opening and a second opening which are spaced apart, the second rail is provided with a third opening and a fourth opening which are spaced apart, the third rail sequentially passes through the first opening and the third opening, and the fourth rail sequentially passes through the second opening and the fourth opening.

In this embodiment, the above-described structural form is adopted to provide a preferred embodiment of the cross-set track. The third track is arranged in a crossing manner with the first track and the second track through the through holes formed in the first track and the second track, the fourth track is arranged in a crossing manner with the first track and the second track through the through holes formed in the first track and the second track, the switching of the tracks by the power exchange equipment can be facilitated, and certain intervals are reserved between the through holes and used for matching the distance between the third track and the fourth track, so that the power exchange equipment can be embedded.

Preferably, a first through groove along the direction of the first track is formed in the crossing position of the third track and the first track; and/or a second through groove along the direction of the first track is arranged at the crossing position of the fourth track and the first track;

the width of the first passing groove and the width of the second passing groove correspond to the width of the grooved pulley of the first roller group.

In the scheme, by adopting the structure, the corresponding passing grooves are formed in each track, the width of each passing groove corresponds to the width of the roller moving on the track crossed with the corresponding passing groove, and the roller can conveniently pass through the passing groove when driving on the track crossed with the passing groove.

Preferably, the first through groove and the second through groove comprise supporting blocks, the supporting blocks are arranged at the bottoms of the first through groove and the second through groove, and the upper surfaces of the supporting blocks are flush with the upper surface of the first rail.

In this scheme, adopt above-mentioned structural style, the supporting shoe is located the inslot, and the upper surface of supporting shoe flushes with the upper surface of first guide rail for support from the sheave that moves on the corresponding track, when the sheave passes through first through groove and second through groove, inside the supporting shoe embedding spout, the upper surface of supporting shoe supports the spout bottom and makes the sheave steadily pass through.

Preferably, the rollers of the first roller group and/or the second roller group comprise grooved wheels and flat pulleys, the diameter of the bottom of each groove of each grooved wheel is the same as the diameter of the rolling surface of each flat pulley, and the upper surfaces of the first rail, the second rail, the third rail and the fourth rail are flush.

In the scheme, by adopting the structure, when the diameter of the groove bottom of the grooved pulley chute is the same as the diameter of the rolling surface of the flat pulley, the upper surfaces of the rails are all the same plane, and the rails are simple and convenient to install.

Preferably, the rollers of the first roller group and/or the second roller group comprise a sheave and a flat pulley, the diameter of the rolling surface of the sheave is the same as that of the rolling surface of the flat pulley, the first track is flush with the upper surface of the third track, and the second track is flush with the upper surface of the fourth track.

In this scheme, adopt above-mentioned structural style, when the rolling surface diameter of sheave is the same with the rolling surface diameter of flat pulley, supply the first track and the third track surface flush that the sheave removed, and second track and fourth track then flush, guarantee to trade the electrical equipment and can all keep the level when being born on the track no matter whether, make things convenient for the equipment of trading the electrical equipment, debug, and the cooperation of sheave and track can restrict the electrical equipment of trading to the track and move, and control is simple, removes steadily.

Preferably, the vehicle-carrying platform further comprises an ascending ramp and a descending ramp which are respectively connected with the driving-in end and the driving-out end of the platform body;

the second guide rail conducts the power exchange port and the waiting area through the upper ramp or the lower ramp.

In this scheme, adopt above-mentioned structural style, the platform body can be set up to overhead ground, the vehicle gets into the platform body and drives out the platform body through the ramp on loading platform and ramp down, the second guide rail can be laid on the bottom surface that is located loading platform below, construction convenience, space utilization is reasonable, the battery package can be transported inside and outside the power conversion station along the second guide rail to the power conversion equipment, the power conversion equipment drives the route of leaving the power conversion station and the vehicle is gone into and/or is driven to leave the route of power conversion station unanimous, need not additionally open up the route that supplies the power conversion equipment to travel, make the power conversion station arrange compacter, reduce the land area occupied.

Preferably, the upper ramp comprises two upper ramps positioned at two sides and an upper inclined cover plate covered on the upper ramps, and one end of the upper inclined cover plate is rotatably connected with the driving-in end of the platform body in an openable and closable manner; and/or the number of the groups of groups,

The downhill path comprises two downhill paths positioned on two sides and a downhill cover plate covered on the downhill paths, and one end of the downhill cover plate is rotatably connected with the running-out end of the platform body in an openable and closable manner.

In the scheme, the structure is adopted, and by arranging the upper inclined cover plate and the lower inclined cover plate, when the cover plate is closed, the vehicle can be opened to the cover plate to drive in or drive out of the platform body, so that the vehicle is prevented from falling off a slope; when the cover plate is opened, the battery exchange equipment can move out of or move in from the lower part of the platform body through the guide rail, namely, the battery exchange equipment is provided with an access port for entering and exiting the vehicle carrying platform.

The invention has the positive progress effects that: the battery pack can be transported in different paths without the assistance of other mobile equipment by the battery replacement equipment through the first roller group and the second roller group in a non-parallel first direction and a non-parallel second direction, so that the transportation flow is saved, the cost of the battery replacement station is reduced, the waiting and avoiding positions of the battery replacement equipment are increased, and the efficiency and the safety of the collaborative work of a plurality of battery replacement equipment are improved. Particularly, when the abnormal battery pack is processed, the battery replacement equipment can be used for directly bearing the abnormal battery pack to convey the battery replacement station, so that the conveying time is shortened, the abnormal battery pack is conveyed out of the battery replacement station before being burnt or not exploded as much as possible, and the overall safety of the battery replacement station is improved. In addition, the battery pack can be transported into or out of the power exchange station, so that the battery pack in the power exchange station can be replaced conveniently.

Drawings

Fig. 1 is a schematic diagram illustrating an internal layout of a power exchange station according to an embodiment of the present invention.

Fig. 2 is a schematic view illustrating an internal layout and a bottom view of a power exchange station according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a vehicle platform according to an embodiment of the invention.

Fig.4 is a schematic view illustrating an open state structure of a vehicle platform according to an embodiment of the invention.

Fig. 5 is a schematic perspective view of a power conversion device according to an embodiment of the invention.

Fig. 6 is a schematic plan view of a power conversion device according to an embodiment of the invention.

Fig. 7 is a schematic view of a sheave structure according to an embodiment of the present invention.

Fig. 8 is a schematic structural view of a guide rail according to an embodiment of the present invention.

Fig. 9 is a schematic structural view of a supporting block according to an embodiment of the present invention.

Fig. 10 is a schematic structural view of a guide rail according to another embodiment of the present invention.

Reference numerals illustrate:

Battery changing device 100

First roller set 110

Second roller set 120

Sheave 130

Chute 131

Flat pulley 140

Lifting device 150

Vehicle-mounted platform 200

Platform body 210

Exchange port 211

Up ramp 220

Upper ramp 221

Upper inclined cover plate 222

Down ramp 230

Lower slope 231

Lower inclined cover plate 232

Charging area 300

First channel 400

First track 410

First through hole 411

Second port 412

Second track 420

Third port 421

Fourth port 422

Second channel 500

Third track 510

First through groove 511

Support block 512

Fourth track 520

Vehicle 900

Detailed Description

The invention is further illustrated by means of examples which follow, without thereby restricting the scope of the invention thereto.

Example 1

Fig. 1 is a schematic diagram of the internal layout of a power exchange station according to an embodiment.

The power exchange station includes a vehicle loading platform 200 disposed in the middle and two charging areas 300 (only one side of the vehicle loading platform 200 may be provided with the charging areas 300, in this embodiment, charging chambers) disposed on two sides of the vehicle loading platform 200, respectively. The power exchange station is further provided with a power exchange device 100, a first channel 400 and a second channel 500 for the power exchange device 100 to move, and the power exchange device 100 passes through the first channel 400 or the second channel 500 to and from the vehicle carrying platform 200, the charging area 300 and the waiting area for disassembling, installing and transporting the battery pack of the vehicle 900.

The vehicle-mounted platform 200 is used for bearing a vehicle 900 with a battery pack to be replaced, the battery-replaced vehicle 900 enters the battery-replacing station and is parked at the vehicle-mounted platform 200, the battery-replacing device 100 is used for disassembling an old battery pack to be charged on the vehicle 900 and installing a new battery pack which is fully charged, after the battery-replacing device 100 is used for disassembling the old battery pack on the vehicle 900, the old battery pack is transported into the charging area 300 to be charged, if a problem occurs in the battery pack, the battery-replacing device 100 moves the problem battery pack out of the battery-replacing station along the second channel 500, so that other battery packs or vehicles inside the battery-replacing station cannot be damaged due to combustion or explosion of the problem battery pack.

The charging area 300 is provided therein with a charging rack for accommodating and charging the battery packs, a battery transfer apparatus (an elevator or a stacker) for exchanging the battery packs with the battery changing apparatus 100, and taking out or putting in the battery packs from the charging rack, and the like.

As shown in fig. 5, 6 and 8, the power conversion device 100 of the present embodiment includes a first roller set 110 and a second roller set 120, where the first roller set 110 is used to drive the power conversion device 100 to move along a first direction (a first direction a in fig. 8), and the second roller set 120 is used to drive the power conversion device 100 to move along a second direction (a second direction B in fig. 8). The first direction and the second direction intersect in a horizontal direction.

In this embodiment, the power conversion device 100 is a power conversion trolley for performing a power conversion operation on a vehicle and capable of carrying a battery pack and moving, and the first horizontal direction and the second horizontal direction are both located on the same horizontal plane and are not parallel to each other, in this embodiment, are perpendicular to each other. The first roller set 110 and the second roller set 120 are respectively arranged towards the first direction and the second direction, and the power conversion device 100 can respectively move along the first direction or the second direction which are mutually perpendicular through the two roller sets, so that displacement in two preset directions on the same horizontal plane is realized.

The battery replacement device 100 can move along the first direction and the second direction which are not parallel respectively through the first roller group 110 and the second roller group 120, and can realize different-path transportation of the battery pack without the assistance of other mobile devices, so that the transportation flow is saved, the transportation time is shortened, the cost of the battery replacement station is also reduced, the waiting and avoiding positions of the battery replacement device 100 are increased, and the efficiency and the safety of the collaborative work of a plurality of battery replacement devices 100 are improved. Particularly, when the abnormal battery pack is processed, the battery replacement device 100 can directly bear the abnormal battery pack to convey the abnormal battery pack out of the battery replacement station, so that the conveying time is shortened, the abnormal battery pack is conveyed out of the battery replacement station before being burnt or not exploded as much as possible, and the overall safety of the battery replacement station is improved. In addition, the battery pack can be transported into or out of the power exchange station, so that the battery pack in the power exchange station can be replaced conveniently.

In this embodiment, by adopting the battery exchange device 100 with the above structure, the waiting and avoiding positions of the battery exchange device 100 are increased, so that the battery exchange station can have two or more battery exchange devices 100 at the same time, when one battery exchange device 100 moves through the first roller set 110, other battery exchange devices 100 can reach the waiting and avoiding positions through the second roller set 120 along the moving path different from the first roller set 110, thereby improving the efficiency and safety of the collaborative work of a plurality of battery exchange devices 100 in the same battery exchange station.

As shown in fig. 5 and 6, the power conversion apparatus 100 of the present embodiment is switchable between a first state and a second state. In the first state, the rolling surface of the first roller group 110 contacts the ground, the rolling surface of the second roller group 120 does not contact the ground, and in the second state, the rolling surface of the second roller group 120 contacts the ground, and the rolling surface of the first roller group 110 does not contact the ground.

In the present embodiment, in the first state, only the first roller set 110 of the battery exchange device 100 contacts the ground, and the battery exchange device 100 is driven to move only by the first roller set 110, so as to ensure that the battery exchange device 100 moves only along the first direction and is not affected by the second roller set 120. In the second state, the battery exchange device 100 only contacts the ground through the second roller set 120, and the battery exchange device 100 only drives the battery exchange device to move through the second roller set 120, so as to ensure that the battery exchange device 100 only moves along the second direction and is not affected by the first roller set 110.

By switching the states of the first roller set 110 and the second roller set 120, it is ensured that only the first roller set 110 moves along the first direction or only the second roller set 120 moves along the second direction at the same time, so that when one roller set operates to move the power conversion device 100 along one direction, the other roller set does not interfere with the operation of the other roller set, and the movement of the power conversion device 100 is more stable.

As shown in fig. 6, the second roller set 120 is connected to the battery exchange device 100 in a lifting manner, and the battery exchange device 100 is switched between the first state and the second state by lifting the second roller set 120.

In the present embodiment, the second roller set 120 is disposed above the first roller set 110, and is lifted or lowered by the lifting device 150. When the lifting device 150 does not lower the second roller set 120, the height of the first roller set 110 is lower than that of the second roller set 120, and the power exchanging device 100 is in the first state, the first roller set 110 contacts the ground, and the second roller set 120 is far away from the ground. When the lifting device 150 descends the second roller set 120, the height of the second roller set 120 is lower than that of the first roller set 110, and the power exchanging device 100 is in the second state, the second roller set 120 contacts the ground, and the first roller set 110 is far away from the ground.

In other embodiments, the first roller set 110 may be configured to be liftable.

In other embodiments, the first roller set 110 and the second roller set may be configured to be liftable.

The states of the first roller set 110 and the second roller set 120 are switched in a lifting mode, so that the state switching of the roller set and the ground contact can be realized more conveniently, and the moving state switching of the power conversion equipment 100 is simple and easy to realize.

As shown in fig. 5 and 6, the first roller set 110 includes first and second side wheels disposed along first and second sides of the battery exchange apparatus 100, each of the first and second sides being parallel to the first direction. The second roller set 120 includes third and fourth side wheels disposed along third and fourth sides of the battery exchange apparatus 100, each of the third and fourth sides being parallel to the second direction.

In this embodiment, the battery exchange device 100 has a rectangular structure with two parallel surfaces, the first roller set 110 is disposed on two opposite surfaces, and the second roller set 120 is disposed on the other two surfaces. Each roller set comprises four rollers, which are respectively positioned on two opposite side surfaces.

The first roller set 110 includes a first side wheel and a second side wheel disposed at both sides of the power exchanging apparatus 100, and the two sets of side wheels are disposed on both sides parallel to the first direction, such that the first roller set 110 can drive the power exchanging apparatus to move along the first direction.

In other embodiments, the number of rollers is not limited to two rollers per side.

As shown in fig. 5 to 7, the first side wheel is a sheave 130, a rolling surface of the sheave 130 is provided with a chute 131, the second side wheel is a flat pulley 140, and a rolling surface of the flat pulley 140 is a smooth plane. The third side wheel is a grooved wheel 130, a rolling surface of the grooved wheel 130 is provided with a chute 131, the fourth side wheel is a flat pulley 140, and a rolling surface of the flat pulley 140 is a smooth plane.

In this embodiment, each roller group has a sheave 130 on one side and a flat pulley 140 on the other side, a groove is formed in the middle of the sheave 130, and in use, the sheave 130 is clamped on the corresponding track through the groove, and the flat pulley 140 is disposed on the surface of the track on the other side.

The rollers at one sides of the first roller group 110 and the second roller group 120 are arranged as the grooved wheels 130, and the grooved wheels 130 can be clamped on the rails in a manner of arranging the rails and the like so as to guide the moving direction of the power exchange equipment 100, so that the movement of the power exchange equipment 100 is more stable. Particularly, when only one side roller in each roller group is a grooved wheel, the situation that the grooved wheel and the rail are blocked when the battery replacement equipment moves along the rail can be avoided.

In other embodiments, both sets of side wheels in each set of wheels may be provided as sheaves 130 or as flat pulleys 140.

As shown in fig. 7, the groove bottom diameter of the chute 131 of the first side wheel is the same as the diameter of the rolling surface of the second side wheel. The diameter of the bottom of the chute 131 of the third side wheel is the same as the diameter of the rolling surface of the fourth side wheel.

In this embodiment, the diameter of the circle formed along the groove bottom of the sheave 130 is the same as that of the flat pulley 140 on the other side, and the upper surfaces of the two side rails are the same height when the rails are matched.

The diameter of the groove bottom of the first side wheel is the same as that of the second side wheel, and the rail with the flush upper surface is correspondingly adopted, so that the power conversion equipment can be kept horizontal, and the rail is simple and convenient to install.

As shown in fig. 2 and 3, the power exchange station of the present embodiment includes a vehicle-mounted platform 200 and a power exchange device 100, where the vehicle-mounted platform 200 is used to carry a vehicle 900 that enters the power exchange station and perform power exchange operation on the vehicle 900, the vehicle-mounted platform 200 includes a platform body 210, a first channel 400 extending along a first direction and a second channel 500 extending along a second direction are disposed below the platform body 210, the first channel 400 and the second channel 500 meet, and the power exchange device 100 is disposed on the first channel 400 or the second channel 500 or in a meeting area of the first channel 400 and the second channel 500.

In this embodiment, the vehicle platform 200 is above the ground, and the vehicle 900 is stopped on the vehicle platform 200 after entering the power exchange station so that the power exchange device 100 performs a power exchange function on the vehicle 900. The first channel 400 and the second channel 500 are both disposed below the vehicle platform 200, and the two channels are perpendicular to each other, so that the power conversion device 100 can travel along the first channel 400 and the second channel 500 and flow between the first channel 400 and the second channel 500 through the intersection area of the first channel 400 and the second channel 500.

The power exchange station is used for exchanging power for the vehicle, after the vehicle enters the power exchange station, the power exchange operation is performed on the platform body 210 of the vehicle carrying platform 200 in the power exchange station through the power exchange equipment 100, and the power exchange equipment 100 can move on the first channel 400 or the second channel 500 by switching the motion state (namely, the state that the first roller set 110 is contacted with the track or the state that the second roller set 120 is contacted with the track). The battery pack is taken out, installed, detached and transported for storage. The movement of the power conversion device 100 is simpler and more efficient, no assistance is required by other devices, and the cost is lower.

As shown in fig. 1 to 8, the first direction is perpendicular to the traveling direction of the vehicle 900 on the vehicle-mounted platform 200, and the second direction is parallel to the traveling direction of the vehicle 900 on the vehicle-mounted platform 200.

In this embodiment, one end of the vehicle-carrying platform 200 corresponds to the outlet of the power exchange station, and one end corresponds to the inlet of the power exchange station, and the vehicle 900 enters the power exchange station from the inlet, passes through the vehicle-carrying platform 200, and leaves the power exchange station from the outlet. The first direction is perpendicular to the running direction of the vehicle 900, and the power conversion device 100 can move under the vehicle platform 200 along the first direction to perform a power conversion function on the vehicle 900 on the vehicle platform 200, and the moving path of the power conversion device will not overlap with the moving path of the vehicle 900, so that no interference will be generated to the movement of the vehicle 900. The second direction is then the same as the access opening of the battery exchange station, and the battery exchange device 100 may be moved in or out of the battery exchange station in the second direction for transporting the battery pack into or out of the battery exchange station.

The first direction is perpendicular to the traveling direction of the vehicle 900 in the battery exchange station, so that the battery exchange device 100 can conveniently move perpendicular to the traveling direction of the vehicle 900, and the battery pack can be taken out and exchanged on the vehicle. The second direction is parallel to the direction of travel of the vehicle 900, which facilitates the battery pack being transported by the battery exchange device 100 from the battery exchange station to and from the battery exchange station through the battery exchange station access.

As shown in fig. 2 and 3, the platform body 210 is provided with a power exchanging port 211, the first channel 400 is communicated with the charging area 300 of the power exchanging station and the power exchanging port 211, and the second channel 500 is communicated with the waiting area of the power exchanging station and the power exchanging port 211.

In this embodiment, the charging areas 300 are disposed at two sides of the vehicle platform 200, and the power exchanging port 211 is formed on the platform body 210 of the vehicle platform 200. The first channel 400 extends along a first direction to communicate the charging area 300 with the power exchanging port 211 on the vehicle platform 200. The battery pack of the power exchanging area may be transported to the power exchanging port 211 to be mounted to the vehicle 900 through the passage, or the battery pack of the vehicle 900 may be detached from the power exchanging port 211 to be transported to the charging area 300. The waiting area is a waiting position where the vehicle enters or exits the vehicle platform 200, and is generally disposed at two sides of the vehicle platform 200 along the driving direction of the vehicle, and the second channel 500 extends along the second direction to communicate the waiting area with the power exchanging port 211 on the vehicle platform 200.

The platform body 210 is provided with a battery exchange port 211, the battery exchange equipment 100 carries out battery exchange operation on the vehicle 900 through the battery exchange port 211, the first channel 400 is respectively communicated with the charging area 300 of the battery exchange station and the battery exchange port 211, and the battery exchange equipment 100 takes out a battery pack through the first channel 400 and exchanges the battery pack onto the vehicle 900 or conveys the battery pack taken down from the vehicle 900 to the charging area 300. The second channel 500 is respectively connected with the waiting area and the power exchange port 211, wherein the waiting area refers to the area where the vehicle waits to drive in or drive out the power exchange potential, and by arranging the second channel 500, the power exchange device 100 can carry a battery pack to carry in or out of the power exchange station.

As shown in fig. 2,3 and 8, the first channel 400 comprises a first rail on which the battery changing device 100 is carried by the first roller set 110. The second channel 500 comprises a second rail on which the battery changing device 100 is carried by the second roller set 120.

In this embodiment, a guide rail is provided in the channel, and the power conversion apparatus 100 runs on the guide rail. The side wheels of the power conversion apparatus 100 are respectively contacted with the guide rails and move on the guide rails.

The first channel 400 and the second channel 500 are connected with the battery changing device 100 through a first guide rail and a second guide rail, and the first roller group 110 and the second roller group 120 of the battery changing device 100 are connected on the first guide rail and the second guide rail and move on the guide rails to guide the moving path of the battery changing device 100, so that the battery changing device 100 can bear a battery pack to run along a preset path.

As shown in fig. 8 and 9, the first guide rail includes a first rail 410 and a second rail 420 disposed in parallel. The second guide rail includes a third rail 510 and a fourth rail 520 disposed in parallel. The first rail 410, the second rail 420, the third rail 510, and the fourth rail 520 are disposed to cross.

In this embodiment, each guide rail includes two parallel tracks, the first guide rail and the second guide rail are vertically disposed, and the first guide rail and the second guide rail are mutually intersected, and the intersection point of the first guide rail and the second guide rail is just located at the position of the power exchange port 211 of the platform body 210.

The two guide rails respectively correspond to the two groups of side wheels of the roller group, so that the movement of the power exchange equipment 100 is stable, meanwhile, the rails are arranged in a crossing manner, and the power exchange equipment 100 can conveniently switch the rails.

Fig. 8 shows two guide rails arranged in a zigzag cross in this embodiment. In other embodiments, the two guide rails may be disposed in an intersecting manner, or the two guide rails intersect at the position of the power exchanging port 211 and extend along one side of the first direction and one side of the second direction respectively with the intersection as an endpoint. The crossed arrangement of various guide rails is determined specifically according to the requirements of the power exchange station, and the application range is wide.

As shown in fig. 8, a first track 410 is provided with a first opening 411 and a second opening 412 which are spaced apart, a second track 420 is provided with a third opening 421 and a fourth opening 422 which are spaced apart, a third track 510 sequentially passes through the first opening 411 and the third opening 421, and a fourth track 520 sequentially passes through the second opening 412 and the fourth opening 422.

In this embodiment, the first track 410 and the second track 420 are provided with different openings for the third track 510 and the fourth track 520 to pass through at the positions intersecting the third track 510 and the fourth track 520.

The third track 510 is arranged to cross the first track 410 and the second track 420 through the through holes formed in the first track 410 and the second track 420, and the fourth track 520 is arranged to cross the first track 410 and the second track 420 through the through holes formed in the first track 410 and the second track 420, so that the power conversion device 100 can conveniently switch the tracks, and the power conversion device is simple in structure and convenient to install. A preferred embodiment of the cross-over arrangement of the tracks is provided.

As shown in fig. 8 and 9, a first through groove 511 is formed at a crossing position of the third rail 510 and the first rail 410 along the first rail direction, or a second through groove (the structure is the same as the first through groove 511 and is not shown) is formed at a crossing position of the fourth rail 520 and the first rail 410. The width of the first passing groove 511 corresponds to the width of the sheaves 130 of the first roller set 110 rolling on the first rail 410, and the widths of the first passing groove 511 and the second passing groove correspond to the width of the sheaves 130 of the first roller set 110.

In this embodiment, each rail is provided with a corresponding through slot according to different situations, and the width of each rail is just enough to enable the first side wheel clamp with the grooved wheel to pass through the first through opening 411 when moving on the first rail 410.

As shown in fig. 9, the first and second through grooves 511 and 512 may be provided with a supporting block 512, the supporting block 512 is disposed at the bottom of the groove, and the upper surface of the supporting block 512 is flush with the upper surface of the first track 410 or the third track 510.

In this embodiment, the supporting block 512 is square and is formed by extending upward from the bottom surface of the groove.

The supporting block 512 is disposed in the groove, the upper surface of the supporting block 512 is flush with the upper surface of the corresponding rail, and is used for supporting the sheave 130 moving from the corresponding rail, when the sheave 130 passes through the first passing groove 511, the supporting block 512 is embedded into the sliding groove 131, and the upper surface of the supporting block 512 abuts against the bottom of the sliding groove 131, so that the sheave 130 stably passes through.

As shown in fig. 1 to 9, the rollers of the first roller group 110 and the second roller group 120 include a sheave 130 and a flat pulley 140, and the groove bottoms of the grooves 131 of the sheave 130 have the same diameter as the rolling surfaces of the flat pulley 140, and the upper surfaces of the first rail 410, the second rail 420, the third rail 510, and the fourth rail 520 are flush.

In this embodiment, the first track 410 and the third track 510 (as shown in fig. 9, the first track 410 and the third track 510 may specifically be inverted T-shaped tracks) are used to cooperate with the sheave 130, and the middle portion of the first track 410 and the third track 510 is protruded and can be embedded into the sheave 130 to contact with the groove bottom. Both sides are lower and contact with the outer circumferential surface of the sheave 130. The second rail 420 and the fourth rail 520 are used for matching with the flat pulley 140, and the upper surfaces of the second rail and the fourth rail are smooth surfaces. The upper surfaces of the second and fourth rails 420, 520 are positioned at the same level as the raised upper surfaces of the first and third rails 410, 510.

When the diameter of the groove bottom of the groove 131 of the grooved pulley 130 is the same as the diameter of the rolling surface of the flat pulley 140, the upper surfaces of the rails are all the same plane, so that the left and right ends of the battery exchange device 100 are positioned on the same plane when moving, and the movement is more stable.

As shown in fig. 2 to 4, the vehicle-mounted platform 200 of the present embodiment further includes an upper ramp 220 and a lower ramp 230 respectively connected to the entry end and the exit end of the platform body 210. The second rail communicates the battery exchange port 211 and the waiting area via the upper ramp 220 and the lower ramp 230.

In this embodiment, the platform body 210 is higher than the ground (overhead on the ground), the first guide rail and the second guide rail are located below the platform body 210, the platform body 210 is provided with a power exchanging port 211, and the power exchanging device 100 moves to the lower side of the platform body 210 to perform a power exchanging function on the vehicle 900 stopped on the platform body 210 through the power exchanging port 211. The up ramp 220 and the down ramp 230 are respectively disposed at the entry end and the exit end, are sloped, and gradually incline upward from the ground toward the platform body 210.

The vehicle enters the platform body 210 and exits the platform body 210 through the upper ramp 220 and the lower ramp 230 of the vehicle loading platform 200, the second guide rail can be paved on the ground below the vehicle loading platform 200, the construction is convenient, the space utilization is reasonable, the power exchange equipment 100 can transport battery packs inside and outside the power exchange station along the second guide rail, the path of the power exchange equipment 100 for exiting the power exchange station is consistent with the path of the vehicle for entering and/or exiting the power exchange station, the path for the power exchange equipment to travel is not required to be additionally opened, the arrangement of the power exchange station is more compact, and the occupied area of the soil is reduced.

In other embodiments, the upper ramp 220 and the lower ramp 230 may be omitted, the platform body 210 may be disposed at a level with the ground, and the first rail 410 and the second rail 420 may be disposed at a position below the ground.

As shown in fig. 2 to 4, the up-ramp 220 includes two up-ramps 221 on both sides and an up-ramp cover 222 covering the up-ramps 221, and one end of the up-ramp cover 222 is rotatably connected with the driving-in end of the platform body 210 in a retractable manner. The down ramp 230 includes two down slopes 231 on two sides and a down slope cover 232 covering the down slopes 231, wherein one end of the down slope cover 232 is rotatably connected with the driving-out end of the platform body 210.

In the present embodiment, the upper slope 221 and the lower slope 231 are respectively disposed at both ends of the upper slope 220 and the lower slope 230 for supporting, and the upper slope cover plate 222 and the lower slope cover plate 232 are respectively covered on the upper slope 221 and the lower slope 231, and the cover plates are rotatably disposed along the intersection with the platform body 210. So that the platform body 210 can be opened from the in-and out-directions to allow the second rail to be conducted.

By providing the upper and lower sloped cover plates 222, 232, when the cover plates are closed, the vehicle 900 can be opened onto the cover plates to drive in or out of the platform body 210 to prevent the vehicle 900 from falling off the slope; when the cover plate is opened, the battery exchange device 100 can be moved out or moved in from the lower side of the platform body 210 through the guide rail, that is, the battery exchange device 100 is provided with an access to and from the vehicle carrying platform 200.

Example two

The power conversion station and the power conversion apparatus 100 of the present embodiment are substantially the same as those of the first embodiment, except that:

the diameter of the rolling surface of the first side wheel is the same as the diameter of the rolling surface of the second side wheel. The diameter of the rolling surface of the third side wheel is the same as the diameter of the rolling surface of the fourth side wheel. The device can be used for realizing the same height of the two side wheels through corresponding rails, so that the movement is more balanced.

As shown in fig. 10, the rollers of the first roller group 110 and the second roller group 120 include a sheave 130 and a flat pulley 140, the diameter of the rolling surface of the sheave 130 is the same as that of the rolling surface of the flat pulley 140, the first rail 410 is flush with the upper surface of the third rail 510, and the second rail 420 is flush with the upper surface of the fourth rail 520. When the rolling surface diameter of the sheave 130 is the same as that of the flat pulley 140, the first track 410 and the third track 510 for the sheave 130 to move are flush, and the second track 420 and the fourth track 520 are flush, so that the first pulley set 110 and the second pulley set 120 are identical in specification, and the battery changing device 100 moves more stably.

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. A power exchange station, characterized in that the power exchange station comprises a vehicle-carrying platform for carrying a vehicle entering the power exchange station so as to perform power exchange operation on the vehicle;

the power conversion station also comprises power conversion equipment, and the power conversion equipment comprises:

The first direction and the second direction intersect in a horizontal direction;

the vehicle-mounted platform comprises a platform body, a first channel extending along the first direction and a second channel extending along the second direction are arranged below the platform body, the first channel and the second channel are intersected, and the power conversion equipment is arranged on the first channel and/or the second channel;

the platform body is provided with a power exchange port, the first channel is communicated with a charging area of the power exchange station and the power exchange port, and the second channel is communicated with a waiting area of the power exchange station and the power exchange port;

the first channel comprises a first guide rail, and the battery replacing equipment is borne on the first guide rail through the first roller group;

The second channel comprises a second guide rail, and the battery replacing equipment is borne on the second guide rail through the second roller group;

The vehicle carrying platform further comprises an ascending ramp and a descending ramp which are respectively connected with the driving-in end and the driving-out end of the platform body;

the second guide rail is communicated with the power exchange port and the waiting area through the upper ramp or the lower ramp;

The first guide rail comprises a first rail and a second rail which are arranged in parallel;

2. The power exchange station of claim 1, wherein,

The power conversion equipment can be switched between a first state and a second state;

3. A power plant as claimed in claim 2, characterized in that,

The first roller group is connected to the power exchanging device in a lifting manner, and the power exchanging device is switched between a first state and a second state in a lifting manner of the first roller group; and/or

4. The power exchange station of claim 1, wherein,

The first roller group comprises a first side wheel and a second side wheel which are arranged along a first side surface and a second side surface of the battery exchange equipment, and the first side surface and the second side surface are parallel to the first direction;

5. The power exchange station of claim 4, wherein,

The first side wheel is a grooved wheel, a rolling surface of the grooved wheel is provided with a sliding groove, the second side wheel is a flat pulley, and the rolling surface of the flat pulley is a smooth plane; and/or

6. The power exchange station of claim 5, wherein the diameter of the groove bottom of the runner of the first side wheel is the same as the diameter of the rolling surface of the second side wheel; and/or

7. The power exchange station of claim 5, wherein the diameter of the rolling surface of the first side wheel is the same as the diameter of the rolling surface of the second side wheel; and/or

8. The power exchange station of claim 1, wherein the first direction is perpendicular to a direction of travel of the vehicle on the vehicle platform and the second direction is parallel to the direction of travel of the vehicle on the vehicle platform.

9. The power exchange station of claim 1, wherein the first rail is provided with a first port and a second port spaced apart, the second rail is provided with a third port and a fourth port spaced apart, the third rail sequentially passes through the first port and the third port, and the fourth rail sequentially passes through the second port and the fourth port.

10. The power exchange station of claim 9, wherein a first through slot along the first rail direction is formed at the crossing position of the third rail and the first rail; and/or a second through groove along the direction of the first track is arranged at the crossing position of the fourth track and the first track;

11. The power exchange station of claim 10 wherein the first and second pass-through slots each include a support block therein, the support blocks being disposed at the bottoms of the first and second pass-through slots, the upper surfaces of the support blocks being flush with the upper surface of the first rail.

12. The power exchange station of claim 11, wherein the rollers of the first roller set and/or the second roller set comprise sheaves and flat pulleys, the diameter of the groove bottoms of the sheaves is the same as the diameter of the rolling surface of the flat pulleys, and the upper surfaces of the first rail, the second rail, the third rail and the fourth rail are flush.

13. The power exchange station of claim 11, wherein the rollers of the first roller set and/or the second roller set comprise sheaves and flat pulleys, the diameter of the rolling surface of the sheaves being the same as the diameter of the rolling surface of the flat pulleys, the first rail being flush with the upper surface of the third rail, the second rail being flush with the upper surface of the fourth rail.

14. The power exchange station of claim 1, wherein the up ramp comprises two up ramps on two sides and an up ramp cover plate covering the up ramps, wherein one end of the up ramp cover plate is rotatably connected with the driving-in end of the platform body in an openable and closable manner; and/or the number of the groups of groups,