CN117360278A - Battery pack charging frame and power exchange station or energy storage station - Google Patents

Abstract

The invention provides a battery pack charging rack, comprising: the battery loading frame is arranged on the supporting frame and used for placing the battery pack; the electric connection device is arranged on the bottom surface of the battery bearing frame and is used for being in butt joint with the battery pack to realize electric connection; the linkage mechanism is connected with the electric connection device, and the linkage mechanism can be applied with external force to drive the electric connection device to move downwards so that the battery pack enters the battery bearing frame or moves out of the battery bearing frame. The electric connection device on the battery bearing frame is driven to move downwards through the linkage mechanism, so that the battery pack is convenient to enter the battery bearing frame, after the battery pack enters the battery bearing frame, the linkage mechanism is loosened, the electric connection device is in butt joint with the battery pack to realize electric connection, the battery pack can be charged, when the battery pack needs to be moved out of the battery bearing frame, the electric connection device on the battery bearing frame is driven to move downwards through the linkage mechanism, the electric connection device is separated from the battery pack, and the battery pack is convenient to move out.

Description

Battery pack charging frame and power exchange station or energy storage station

Technical Field

The specification relates to the technical field of electric vehicle battery replacement, and in particular relates to a battery pack charging rack and a battery replacement station or an energy storage station.

Background

The tractor is a general large-sized truck or semitrailer which is pulled by tools between the truck head and the truck bed, namely the truck head can be separated from the original truck bed to pull other truck beds, and the truck bed can also be separated from the original truck head to be pulled by other truck beds. The front of the tractor is called a tractor, the rear of the tractor is called a trailer without traction driving capability, and the trailer is towed by the tractor.

In the power conversion process of the tractor, when the battery pack of the tractor needs to be converted, the battery pack is generally transported to the charging rack in a hoisting mode, and the safety risk is higher in the hoisting process. Secondly, when placing the battery package on the charging frame through the hoist and mount mode, need make the electric connector on the battery package align and connect with the electric connector on the charging frame, the relative degree of difficulty is higher. Therefore, it is highly desirable to design a charging rack that is highly safe and convenient for docking an electrical connector.

Disclosure of Invention

The invention aims to solve the technical problems that in the prior art, the risk of transferring a battery pack from a vehicle to a charging frame is high and the butt joint of an electric connector is difficult, and provides a battery pack charging frame and a battery exchange station or an energy storage station.

The invention provides the following technical scheme: a battery pack charging stand, comprising:

the support frame is provided with a plurality of support grooves,

the battery bearing frame is arranged on the supporting frame and is used for placing a battery pack;

the electric connection device is arranged on the bottom surface of the battery bearing frame and is used for being in butt joint with the battery pack to realize electric connection;

and the linkage mechanism is connected with the electric connection device and can be applied with external force to drive the electric connection device to move downwards so that the battery pack enters the battery bearing frame or moves out of the battery bearing frame.

Based on the technical characteristics, the battery pack can be placed on the battery pack charging rack in a side-shifting mode, and compared with the existing hoisting mode, the safety is greatly improved. The linkage mechanism is arranged, so that the electric connection device can move along with the linkage mechanism, and the electric connection device cannot interfere with the battery pack in the process that the battery pack is placed on the battery pack charging rack, and the battery pack and the electric connection device are prevented from being damaged due to hard collision; meanwhile, when the battery pack needs to be taken out, the electric connection device is moved to be separated from the battery pack, so that the battery pack can be conveniently and safely moved out of the battery pack charging frame.

Preferably, the electric connection device comprises a base arranged below the battery bearing frame and a bottom plate which can vertically float and is arranged on the base through a first floating assembly, the linkage mechanism is connected with the bottom plate to drive the bottom plate to be far away from the battery bearing frame under the action of external force, and when the external force is removed, the bottom plate returns under the action of the first floating assembly.

Based on the technical characteristics, through setting up first floating subassembly between base and bottom plate, when link gear drove the bottom plate downward movement, first floating subassembly can play the effect of buffering, guarantees the stationarity when bottom plate downward movement, when removing the external force to link gear, under the effect of first floating subassembly, the bottom plate returns initial position department, especially after the battery package gets into the battery carrier, makes electric connecting device and battery package realization electricity through electric connecting device's return.

Preferably, the linkage mechanism comprises a first connecting rod and a second connecting rod, the first connecting rod extends outwards from the inside of the supporting frame along the inlet and outlet direction of the battery pack, the first connecting rod is located at one end inside the supporting frame and is movably connected with the supporting frame, the other end outside the supporting frame is a free end, and the second connecting rod is connected between the bottom surface of the electric connecting device and the first connecting rod so that the first connecting rod is linked with the electric connecting device.

Based on the technical characteristics, the free end of the first connecting rod is arranged outside the supporting frame, so that the force is applied to the first connecting rod conveniently, the first connecting rod drives the electric connecting device to move through the second connecting rod, linkage between the first connecting rod and the electric connecting device is realized, and therefore the battery pack can enter and move out of the battery bearing frame conveniently.

Preferably, the movable connection is hinged; and/or two ends of the second connecting rod are respectively hinged with the electric connecting device and the first connecting rod.

Based on the technical characteristics, the first end of the first connecting rod can rotate freely relative to the supporting frame, so that the first connecting rod has supporting points and effective movement of the first connecting rod can be ensured; meanwhile, the second connecting rod can rotate relative to the electric connecting device and the first connecting rod, so that the linkage effect between the first connecting rod and the electric connecting device can be ensured, and the second connecting rod can be self-adjusted to enable the electric connecting device to move on a limited path so as to avoid the problems of collision and the like caused by deviation.

Preferably, the other end of the first connecting rod, which is positioned outside the supporting frame, is provided with an extension part, and the top of the extension part is provided with an end plate so as to be conveniently abutted with the external force device.

Based on the technical characteristics, the first connecting rod is convenient to apply force through the arrangement of the extension part, and the interference between the force applying part and the supporting frame in the force applying process is avoided; meanwhile, the end plate is arranged on the extension part, so that the stress surface can be increased, the external force can be further applied to the first connecting rod conveniently, and the stress of the first connecting rod is more stable.

Preferably, the linkage mechanism further comprises a buffer mechanism, the buffer mechanism is arranged on the supporting frame and faces the first connecting rod, and the buffer mechanism is used for realizing buffer along with the return process of the bottom plate when the external force on the first connecting rod is removed.

Based on the technical characteristics, through setting up buffer gear in the top of first connecting rod, can cushion when first connecting rod gets back to initial position for electric connecting device and first connecting rod can slow return, avoid first connecting rod to hit braced frame or electric connecting device to hit the battery package because of return speed is too fast, and then cause the damage.

Preferably, the buffer mechanism is disposed at a position corresponding to the end plate at the top of the support frame.

Based on the technical characteristics, the buffer mechanism is arranged at the position corresponding to the end plate, and the end plate can be contacted with the buffer mechanism in the return process of the first connecting rod, so that the buffer effect of the first connecting rod is ensured.

Preferably, the electric connection device further comprises a mounting plate which can be connected to the bottom plate in a floating mode, and a plurality of electric connectors can be arranged on the mounting plate in a floating mode, so that electric connection with the battery pack is achieved.

Based on the technical characteristics, the mounting plate is connected to the bottom plate in a floating manner, so that the electric connector on the mounting plate can float on the bottom plate, and the electric connector and the battery pack are matched with each other to have a certain range of fault tolerance, so that the electric connection between the electric connector and the battery pack is facilitated.

Preferably, the battery pack charging rack further comprises a first sliding guide mechanism arranged at the top of the battery bearing rack and extending along the in-out direction of the battery pack.

Based on the technical characteristics, through setting up first guide slide mechanism at the top of battery carrier for when the battery package adopts the side way of moving to get into battery package charging frame, can effectively reduce the frictional force when battery package business turn over battery carrier, the battery package business turn over battery carrier of being convenient for.

Preferably, the battery pack charging frame further comprises a limiting frame, the limiting frame is located above the battery bearing frame and extends upwards from the battery bearing frame, and the limiting frame is provided with an opening at a first side of the battery pack charging frame for the battery pack to enter and exit.

Based on the technical characteristics, through setting up spacing frame in the top of battery carrier, can play spacing effect to the battery package, the battery package of being convenient for enters into the position that prescribes a limit to in battery package charging frame, avoids the battery package to take place the skew and be unfavorable for with electric connection device's butt joint.

Preferably, the height of the limiting frame is not less than one third of the height value of the battery pack.

Based on the technical characteristics, the limiting effect on the battery pack is guaranteed, and the battery pack can be prevented from tilting.

Preferably, a second sliding guide mechanism for guiding the battery pack is arranged on the inner side wall of the limit frame; and/or, the limit frame is provided with a guide mechanism at the opening end of the first side so as to guide the battery pack into the battery bearing frame.

Based on the technical characteristics, through setting up the second at spacing frame inside wall and lead smooth mechanism, can play the effect of direction to the battery package, avoid simultaneously that the battery package produces friction between business turn over battery carrier's in-process and spacing frame. And the guide mechanism can guide the battery pack to conveniently enter the battery pack charging frame, so that the accuracy and convenience of the battery pack entering the battery pack charging frame are improved.

Preferably, the limiting frame is provided with an elastic member at a second side opposite to the first side to prevent the battery pack from colliding with the limiting frame.

Based on the technical characteristics, through setting up the elastic component at the second side of spacing frame, can avoid the battery package to get into when the battery bears the frame with spacing frame between take place to collide, avoid causing the damage between battery package and the spacing frame.

Preferably, the battery carrier has a obliquely arranged carrying surface, the carrying surface being located higher on a first side than on a second side opposite to the first side to avoid the battery pack from slipping out of the battery pack charging rack.

Based on the technical characteristics, through the inclined arrangement of the bearing surface of the battery bearing frame, the battery pack is convenient to enter the battery bearing frame, and meanwhile, the battery pack can be prevented from sliding out of the battery bearing frame.

Preferably, the battery carrier has a locking member disposed corresponding to the first side, and the locking member is disposed in a liftable or reversible manner.

Based on the technical characteristics, the battery pack entering the battery bearing frame is limited through the locking piece, and the battery pack can be prevented from sliding out of the battery bearing frame.

Preferably, an adjusting mechanism is arranged at the bottom of the supporting frame and is used for adjusting the supporting frame to enable the battery bearing frame to be matched with external battery pack transferring equipment so as to store or take out the battery packs.

Based on the technical characteristics, the position height of the supporting frame can be adjusted through the adjusting mechanism, so that the position height of the battery bearing frame is adjusted, and the battery pack can be stored or taken out conveniently.

A battery pack charging rack according to any one of the preceding claims for placing and electrically connecting a battery pack of an electric vehicle for charging and discharging the battery pack.

Based on above-mentioned technical characteristics, through adopting above-mentioned battery package charging frame to charge and discharge the battery package of electric automobile, when the battery package was placed on battery package charging frame, drive the electric connecting device on the battery loading frame through the link mechanism and move down, thereby the in-process electric connecting device that the battery package was placed in battery package charging frame can not interfere the battery package, avoid battery package and electric connecting device to take place hard collision and damage electric connecting device, when need follow battery package charging frame and shift out, drive the electric connecting device on the battery loading frame through the link mechanism and move down, make electric connecting device and battery package separation, the battery package of being convenient for shifts out battery package charging frame safely, the storage and the takeout of battery package are all very convenient.

Compared with the prior art, the at least one technical scheme adopted by the invention has the beneficial effects that at least the beneficial effects comprise:

the battery pack is placed on the battery pack charging frame in a side-shifting mode, compared with the existing hoisting mode, the safety is greatly improved, the battery pack is supported by the battery bearing frame, the electric connecting device can move along with the linkage mechanism through the linkage mechanism, when the battery pack is placed on the battery pack charging frame, the linkage mechanism drives the electric connecting device on the battery bearing frame to move downwards, so that the electric connecting device cannot interfere with the battery pack in the process that the battery pack is placed on the battery pack charging frame, the battery pack and the electric connecting device are prevented from being damaged due to hard collision, and after the battery pack enters the battery bearing frame, the linkage mechanism is released, the electric connecting device is in butt joint with the battery pack to realize electric connection, and the battery pack can be charged; when the battery pack is required to be moved out of the battery pack charging frame, the linkage mechanism drives the electric connection device on the battery bearing frame to move downwards, so that the electric connection device is separated from the battery pack, and the battery pack is convenient to safely move out of the battery pack charging frame.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a first view angle structure of a battery pack charging rack according to the present invention;

fig. 2 is a schematic view of a second view angle structure of a battery pack charging rack according to the present invention;

fig. 3 is a schematic view illustrating a third view angle structure of a battery pack charging rack according to the present invention;

fig. 4 is a schematic structural diagram of an electrical connection device of a battery pack charging rack according to the present invention;

fig. 5 is a schematic view of the internal structure of a mounting plate of an electrical connection device of a battery pack charging rack according to the present invention;

fig. 6 is a schematic diagram of a connection structure between an electric connection device and a linkage mechanism of a battery pack charging rack provided by the invention;

fig. 7 is a schematic structural diagram of a linkage mechanism of a battery pack charging rack provided by the invention;

fig. 8 is a schematic structural diagram of a buffer mechanism of a battery pack charging rack according to the present invention;

fig. 9 is a schematic view of a partially enlarged structure of a battery carrier of a battery pack charging rack according to the present invention;

fig. 10 is a schematic diagram of a limiting frame structure of a battery pack charging rack according to the present invention.

In the figure, 1, a supporting frame, 2, a battery carrier, 3, a linkage mechanism, 31, a first connecting rod, 32, a second connecting rod, 33, an end plate, 34, a buffer mechanism, 4, an electric connecting device, 41, a base, 42, a first floating component, 421, a limit column, 422, a first spring, 43, a bottom plate, 44, a mounting plate, 45, an electric connector, 46, a second floating component, 47, a limit piece, 48, a limit through hole, 5, a limit frame, 6, an adjusting mechanism, 7, an elastic piece, 8, a first sliding guiding mechanism, 9, a second sliding guiding mechanism, 10 and a guiding mechanism.

Detailed Description

Embodiments of the present application are described in detail below with reference to the accompanying drawings.

Other advantages and effects of the present application will become apparent to those skilled in the art from the present disclosure, when the following description of the embodiments is taken in conjunction with the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. The present application may be embodied or carried out in other specific embodiments, and the details of the present application may be modified or changed from various points of view and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present application, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, apparatus may be implemented and/or methods practiced using any number and aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concepts of the application by way of illustration, and only the components related to the application are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.

Currently, in the process of replacing the battery pack of an electric vehicle, there are mainly the following problems:

in the prior art, the electric connection device on the battery pack charging rack is generally fixedly mounted on the charging rack, the electric connection device cannot float, when the battery pack is changed, butt joint between the electric connection device on the charging rack and the electric connector on the battery pack is troublesome, and after the battery pack is changed, the battery pack needs to be moved out of the charging rack, and separation between the electric connection device on the charging rack and the electric connector on the battery pack is also troublesome.

Through extensive and intensive experiments, the inventor drives the electric connecting device to float up and down through the linkage mechanism, so that the electric connector on the battery pack can be conveniently connected with or separated from the electric connecting device.

The invention solves the technical problems that: the convenience of butt joint or separation between the electric connection device on the charging frame and the electric connector on the battery pack is improved.

More specifically, the solution adopted by the invention comprises the following steps: the battery pack is placed on the battery pack charging frame in a side-shifting mode, safety is greatly improved relative to an existing hoisting mode, the electric connecting device is driven to float up and down through the linkage mechanism, when the battery pack is placed on the battery pack charging frame, the electric connecting device on the battery carrying frame is driven to move down through the linkage mechanism, so that the battery pack cannot be interfered by the electric connecting device in the process that the battery pack is placed on the battery pack charging frame, the battery pack and the electric connecting device are prevented from being damaged due to hard collision, after the battery pack enters the battery carrying frame, the linkage mechanism is released, the electric connecting device is in butt joint with the battery pack, when the battery pack needs to be moved out of the battery carrying frame, the electric connecting device on the battery carrying frame is driven to move down through the linkage mechanism, the electric connecting device is separated from the battery pack, and the battery pack is convenient to move out.

The following describes the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.

As shown in fig. 1 to 3, the present embodiment provides a battery pack charging stand, including: the battery pack device comprises a supporting frame 1, a battery bearing frame 2, a linkage mechanism 3 and an electric connecting device 4, wherein the battery bearing frame 2 is arranged at the top of the supporting frame 1, the supporting frame 1 is used for supporting the battery bearing frame 2, and the battery bearing frame 2 is used for placing a battery pack; the electric connection device 4 is arranged on the bottom surface of the battery bearing frame 2 and is used for being in butt joint with the battery pack to realize electric connection; the linkage mechanism 3 is connected with the electric connection device 4, and the linkage mechanism 3 can be applied with external force to drive the electric connection device 4 to move downwards so that the battery pack enters the battery carrier 2 or moves out of the battery carrier 2. In the embodiment, the battery pack is supported by the battery bearing frame 2, and when the battery pack is placed on the battery bearing frame 2, the electric connecting device 4 on the battery bearing frame 2 is driven to move downwards by applying external force to the linkage mechanism 3, so that the electric connecting device is lower than the bottom surface of the battery bearing frame 2, and the electric connecting device cannot interfere with the battery pack in the process of placing the battery pack on the battery pack charging frame, so that the battery pack and the electric connecting device are prevented from being damaged due to hard collision; after the battery pack enters the battery carrier 2, the external force applied to the linkage mechanism 3 is withdrawn, and the electric connection device 4 can be moved upwards in an automatic or manual mode, so that the electric connection device 4 is in butt joint with the battery pack to realize electric connection for charging. When the battery pack needs to be removed from the battery carrier 2, the linkage mechanism 3 is applied with external force again to drive the electric connection device 4 on the battery carrier 2 to move downwards, so that the electric connection device 4 is separated from the battery pack, and the battery pack is conveniently removed.

In a preferred embodiment, the electrical connection means 4 is arranged to return automatically after the linkage 3 has been relieved of external forces, so as to achieve an electrical connection with the battery pack. As shown in fig. 1-4, the electrical connection device 4 includes a base 41 mounted below the battery carrier 2 and a bottom plate 43 vertically floatably disposed on the base 41 by a first float assembly 42 such that the bottom plate 43 can move up and down relative to the base 41. The linkage mechanism 3 is connected with the bottom plate 43, so that the linkage mechanism 3 can drive the bottom plate 43 to be far away from the battery carrier 2 under the action of external force, and when the external force is removed, the bottom plate 43 automatically returns under the action of the first floating assembly 42. The first floating assembly 42 is disposed between the base 41 and the bottom plate 43 of the electrical connection device 4 in this embodiment, when the linkage mechanism 3 drives the bottom plate 43 to move downwards, the first floating assembly 42 can play a role of buffering, stability of the bottom plate 43 during the downward movement is guaranteed, when external force to the linkage mechanism 3 is removed, under the action of the first floating assembly 42, the bottom plate 43 returns to an initial position, especially after the battery pack enters the battery carrier 2, the electrical connection device 4 can be electrically connected with the battery pack through the return of the electrical connection device 4. In order to improve stability, the base 41 may be directly fixed to the support frame 1.

In order to improve the reliability of the docking of the electrical connection device 4 with the battery pack, the electrical connection device 4 may be mounted on the battery carrier 2 at a bottom surface near the middle. The electrical connection device 4 further has an electrical connector 45 that mates with the battery pack, and the electrical connector 45 may be configured to float relative to the base 41 in order to increase fault tolerance in mating the electrical connector 45 with the battery pack. As shown in fig. 4, the first floating assembly 42 includes a limiting post 421 and a first spring 422 sleeved outside the limiting post 421, one end of the limiting post 421 is fixed on the base 41, the other end of the limiting post 421 passes through the bottom plate 43, and the first spring 422 is located between the base 41 and the bottom plate 43 so that the bottom plate 43 can move up and down relative to the limiting post 421. Through the both ends of first spring 422 respectively with bottom plate 43 and base 41 contact, when bottom plate 43 receives external force and moves down along spacing post 421, first spring 422 can play the cushioning effect, bottom plate 43 drives mounting panel 44 and moves together, electric connector 45 moves along with mounting panel 44, realize electric connector 45's move down, thereby make electric connection device be less than the battery carrier and avoid taking place the collision damage, concretely, spacing post 421 is close to the position of bottom plate 43 and is equipped with the step face, in order to carry out spacingly to the movable range of bottom plate 43 relative spacing post 421, through set up the step face on spacing post 421, when bottom plate 43 is floated down, can't move down again after bottom plate 43 and step face contact, thereby limit the scope of bottom plate 43 unsteady down. When the external force is removed, the bottom plate 43 drives the electric connector 45 to return by the restoring force of the first spring 422, so that the electric connection with the battery pack is facilitated.

As shown in fig. 4-5, the electrical connection device 4 further includes a mounting plate 44 floatably connected to the bottom plate 43, 4 electrical connectors 45 are mounted on the mounting plate 44, the electrical connection device 4 further includes a second floating assembly 46, the second floating assembly 46 is connected to the bottom plate 43 and the mounting plate 44 respectively, so that the mounting plate 44 is floatable relative to the bottom plate 43 in a plane where the second floating assembly is located, by providing the first floating assembly 42, the mounting plate 44 is capable of floating relative to the bottom plate 43 in a horizontal plane, and the mounting plate 44 moves together with the electrical connectors 45 when floating in the horizontal plane, so that the electrical connectors 45 float in the horizontal plane, specifically, the second floating assembly 46 includes a plurality of second springs, the plurality of second springs are connected to the bottom plate 43 and the mounting plate 44 respectively in a length direction and a width direction of the mounting plate 44, and by providing the second springs, the mounting plate 44 is enabled to float in the length direction or the width direction.

As shown in fig. 5, the electrical connection device 4 further includes a plurality of limiting members 47, the limiting members 47 are disposed through limiting through holes 48 on the mounting plate 44, a first end of each limiting member 47 is fixed on the bottom plate 43, a second end of each limiting member 47 has an extending portion parallel to the mounting plate 44, so as to prevent the limiting members 47 from separating from the limiting through holes 48, an inner diameter of each limiting through hole 48 is larger than a diameter of each limiting member 47 to limit a floating range of the mounting plate 44 when the mounting plate 44 floats relative to the bottom plate 43, during a butt joint process of the battery pack and the electrical connection device 4, when the mounting plate 44 floats, the limiting through holes 48 formed on the mounting plate 44 move along with the mounting plate 44, and since the ends of the limiting members 47 are fixed on the bottom plate 43, the limiting members 47 cannot move relative to the limiting members 47, and during a floating process of the mounting plate 44 cannot move again after the limiting members 47 are contacted with inner walls of the limiting through holes 48, and separation between the limiting members 47 and the limiting through holes 48 can be prevented by arranging extending portions at the second ends of the limiting members 47.

As shown in fig. 1, 3 and 6-7, in the present embodiment, the linkage mechanism 3 includes a first link 31 and a second link 32, the first link 31 extends from the inside of the support frame 1 outwards along the in-out direction of the battery pack, a first end of the first link 31 located inside the support frame 1 is hinged with the support frame 1, and a second end located outside the support frame 1 is a free end, and the second end extends beyond the support frame 1 to facilitate force application at the second end of the first link. Both ends of the second link 32 are hinged to the bottom surface of the electrical connection device 4 and the first link 31, respectively, so that the first link 31 is interlocked with the electrical connection device 4. In this embodiment, by applying a downward force to the second end of the first link 31, the first link 31 rotates downward around the first end, and at the same time, the first link 31 drives the second link 32 to move together, and the second link 32 drives the bottom plate 43 of the electrical connection device 4 to move downward, so as to implement the linkage between the first link 31 and the electrical connection device 4. Meanwhile, the first floating assembly 42 is compressed by being pressed during the downward movement of the bottom plate 43, and the bottom plate 43 moves upward to return to the original position by the restoring force of the first floating assembly 42 after the external force applied to the first link 31 is removed.

Since the first end of the first link 31 can rotate freely relative to the support frame 1, not only the first link 31 can have a supporting point, but also effective movement of the first link 31 can be ensured; meanwhile, the second connecting rod 32 can rotate relative to the electric connecting device 4 and the first connecting rod 31, so that the linkage effect between the first connecting rod 31 and the electric connecting device 4 can be ensured, and the second connecting rod 32 can be self-adjusted to enable the electric connecting device 4 to move on a limited path so as to avoid the problems of collision caused by deviation. In other embodiments, the first end of the first link 31 and the support frame 1, the second link 32 and the electrical connection device 4 may be movably connected with the first link 31 by bearings or other manners.

In another embodiment, as shown in fig. 1 and 3, the second end of the first connecting rod 31 located outside the support frame 1 has an extension portion, the extension portion is arranged to apply an external force to the first connecting rod 31 through the extension portion, the top of the extension portion is provided with an end plate 33 so as to be abutted with an external force device, and by arranging the end plate 33 at the top of the extension portion, the contact area at the extension portion can be increased, and the external force is further applied to the extension portion through the external force device, so that the stress of the first connecting rod 31 is more stable.

In some embodiments, as shown in fig. 1, 3 and 8, the linkage mechanism 3 further includes a buffer mechanism 34, where the buffer mechanism 34 is disposed on the support frame 1 and faces the first link 31, the buffer mechanism 34 is used to realize buffering along with the return process of the bottom plate 43 when the external force on the first link 31 is removed, the buffer mechanism 34 is located directly above the first link 31, and when the electrical connection device 4 and the first link 31 return process, the first link 31 contacts with the buffer mechanism 34, and as the first link 31 continues to return, the buffer mechanism 34 is compressed, the buffer mechanism 34 can play a role of buffering, so as to slow down the return speed of the first link 31, thereby slowing down the return speed of the electrical connection device 4, and avoiding collision with the battery pack due to too fast return speed of the electrical connection device 4.

In order to improve the reliability of the buffer mechanism 34, the buffer mechanism 34 is disposed on the top of the support frame 1 and at a position corresponding to the end plate 33, and by disposing the buffer mechanism 34 directly above the end plate 33, the area of the end plate 33 is relatively large, so that the end plate 33 and the buffer mechanism 34 can be ensured to be contacted with each other during the return process of the linkage mechanism 3, and when the first connecting rod 31 returns, the buffer mechanism 34 buffers the end plate 33 and the first connecting rod 31, and the return speed of the first connecting rod 31 and the electric connection device 4 is slowed down.

In this embodiment, the buffer mechanism 34 is a hydraulic buffer, and in other embodiments, the buffer mechanism 34 may be a spring or other elastic components, which may be selected according to practical situations, and the buffer mechanism 34 is used to buffer the first link 31 during the return process, so as to avoid too fast return speed of the electrical connection device 4 and the first link 31.

In some embodiments, as shown in fig. 2 and 9, the battery pack charging rack further includes a first sliding guide mechanism 8 disposed at the top of the battery carrier 2 and extending along the in-out direction of the battery pack, and by disposing the first sliding guide mechanism 8 at the top of the battery carrier 2, the friction can be reduced during the process of the battery pack entering and moving out of the battery carrier 2 in a side-moving manner, so that the battery pack can move on the battery carrier 2 conveniently.

In this embodiment, the first sliding guide mechanism 8 is a roller, and is disposed on two sides of the top of the battery carrier 2 along the inlet/outlet direction of the battery pack and extends inward from the inlet/outlet of the battery pack to the other end of the battery carrier 2, and in other embodiments, the first sliding guide mechanism 8 may be other structures such as balls, and may be selected according to practical situations.

In some embodiments, as shown in fig. 1, 2 and 10, the battery pack charging frame further includes a limiting frame 5, where the limiting frame 5 is located above the battery carrier 2 and extends upward from the battery carrier 2, and the limiting frame 5 is provided with an opening on a first side of the battery pack charging frame to allow a battery pack to enter and exit, and by providing the limiting frame 5 on the top of the battery carrier 2, the battery pack enters and exits from the opening of the limiting frame 5 to facilitate the battery pack entering into a defined position in the battery pack charging frame, and plays a limiting role on the battery pack placed on the battery carrier 2, so as to avoid the battery pack from slipping or shifting to be unfavorable for docking with the electrical connection device 4. In order to achieve a better limiting effect, the height of the limiting frame 5 is not less than one third of the height value of the battery pack, so that the limiting frame 5 can play a limiting effect on the battery pack, and meanwhile, the height of the limiting frame 5 can be prevented from being too high.

As shown in fig. 2 and 10, the limiting frame 5 is provided with second guiding and sliding mechanisms 9 for guiding the battery pack on two inner side walls adjacent to the opening end of the first side, and the second guiding and sliding mechanisms 9 are installed on the inner side walls of the limiting frame 5, so that the second guiding and sliding mechanisms 9 can play a role in limiting and guiding the battery pack when the battery pack moves on the battery bearing frame 2, and meanwhile friction between the battery pack and the inner wall of the limiting frame 5 is avoided, and the battery pack can move on the battery bearing frame 2 conveniently; the limit frame 5 is further provided with a guiding mechanism 10 at the opening end of the first side to guide the battery pack to enter the battery bearing frame 2, the guiding mechanism 10 is arranged to extend from the opening end to the inside of the limit frame 5 towards one side of the battery pack and gradually approach the battery pack, and the guiding mechanism 10 is connected with the second guiding mechanism 9 or smoothly transits at one end of the limit frame 5. Through setting up guiding mechanism 10 at spacing frame 5 open end, can play the effect of direction when getting into spacing frame 5 to the battery package, the battery package of being convenient for gets into spacing frame 5, improves the accuracy and the convenience that the battery package got into spacing frame 5 or battery package charging frame.

In this embodiment, the second sliding guide mechanism 9 may be disposed along the height direction of the limiting frame 5, and the top and the bottom of the limiting frame 5 may be disposed respectively, and in other embodiments, the second sliding guide mechanism 9 may be disposed in multiple numbers according to actual requirements, and disposed in an arrangement along the height direction of the limiting frame 5. Meanwhile, in this embodiment, the second sliding guiding mechanism 9 is a roller, and is disposed on two opposite inner side walls of the limiting frame 5, and in other embodiments, the second sliding guiding mechanism 9 may be other structures such as balls, and may be selected according to practical situations.

In some embodiments, as shown in fig. 2, the limiting frame 5 is provided with an elastic member 7 at a second side opposite to the first side to avoid the battery pack from colliding with the limiting frame 5, that is, after the battery pack enters from the opening end of the first side of the limiting frame 5, the elastic member 7 exists, so that the side surface of the battery pack located at the second side of the limiting frame 5 only contacts with the elastic member 7, thereby avoiding the battery pack from colliding with the inner side of the limiting frame 5 to be damaged.

In this example, the elastic member 7 may be an elastic object such as a rubber pad or a foam cushion, and may be selected according to practical situations.

In some embodiments, as shown in fig. 1, the bearing surface of the battery carrier 2 is obliquely arranged, so that the position of the bearing surface on the first side is higher than the position of the bearing surface on the second side opposite to the first side, so as to avoid the battery pack from sliding out of the battery pack charging rack, and meanwhile, the battery pack is more convenient when entering the battery carrier 2, and has a certain effect of obliquely sliding in.

In this embodiment, the bottom of the supporting frame 1 is provided with an adjusting mechanism 6 for adjusting the supporting frame 1 so that the battery carrier 2 is adapted to an external battery pack transferring apparatus for storing or taking out the battery pack, and the position height of the supporting frame 1 is adjusted by setting the adjusting mechanism 6, thereby adjusting the position height of the battery carrier 2. At the same time, the adjusting mechanism 6 can also adjust the bearing surface of the battery bearing frame 2 to be a tilting structure with the outer height and the inner height, that is, the first side higher than the second side. In this embodiment, the adjusting mechanism 6 is an adjusting foot.

In other embodiments, the bearing surface of the battery carrier 2 need not be inclined, but a locking member (the locking member is not shown in the figure) is arranged on the corresponding first side, the locking member is arranged in a liftable or reversible manner, and after the battery pack enters the charging rack, the locking member is adjusted to be lifted or turned over to limit the battery pack, so that the battery pack is prevented from sliding off the battery carrier 2; when the battery pack needs to be taken out, the locking piece can be firstly adjusted to descend or turn down, so that the battery pack can be moved out of the charging frame without barriers.

In other embodiments, the locking member may be disposed on the first side while the bearing surface of the battery carrier 2 is inclined, so as to further improve the safety of the battery pack on the battery carrier 2 and avoid slipping out.

Based on the same inventive concept, the invention also provides a battery pack charging rack arranged in the battery pack charging rack, wherein the battery pack charging rack is used for placing a battery pack of an electric automobile and realizing electric connection so as to charge and discharge the battery pack.

Still be provided with the transfer device who is used for transporting the battery package in the power station that trades, transfer device can remove so that transport battery package to trade electric power station in order to trade the electric automobile or transport battery package to the charging frame side in order to shift battery package to the charging frame in charge. Specifically, when the battery pack is required to be moved into the charging frame for charging after being detached from the vehicle, the battery pack is conveyed to one side of the charging frame through the transferring device, and the force application mechanism of the transferring device is in contact with the linkage mechanism 3 and applies external force to the linkage mechanism, so that after the electric connection device 4 is moved downwards below the battery bearing frame 2, the battery pack is moved into the charging frame from the transferring device in a side-moving manner; when the battery pack is required to be taken out of the charging frame and transported to the power conversion station for power conversion, the transporting device firstly moves to one side of the charging frame, and the force application mechanism of the transporting device is contacted with the linkage mechanism 3 and applies external force to the linkage mechanism, so that the electric connection device 4 is separated from the battery pack and moves downwards to the position below the battery bearing frame 2, and then the battery pack moves into the transporting device from the battery frame in a side-moving mode.

The arrangement of the structure is particularly suitable for a power exchange station for exchanging power of a vehicle with a large battery pack in a side exchange mode, and the safety can be greatly improved.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment focuses on differences from other embodiments. In particular, for the method embodiments described later, since they correspond to the system, the description is relatively simple, and reference should be made to the description of some of the system embodiments.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present application should be covered in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (17)

1. A battery pack charging stand, comprising:

the support frame is provided with a plurality of support grooves,

the battery bearing frame is arranged on the supporting frame and is used for placing a battery pack;

the electric connection device is arranged on the bottom surface of the battery bearing frame and is used for being in butt joint with the battery pack to realize electric connection;

and the linkage mechanism is connected with the electric connection device and can be applied with external force to drive the electric connection device to move downwards so that the battery pack enters the battery bearing frame or moves out of the battery bearing frame.

2. The battery pack charging stand of claim 1, wherein the electrical connection means comprises a base mounted below the battery carrier and a base plate vertically floatably mounted to the base by a first float assembly, the linkage being coupled to the base plate to move the base plate away from the battery carrier under an external force and to return the base plate under the action of the first float assembly when the external force is removed.

3. The battery pack charging rack according to claim 2, wherein the linkage mechanism comprises a first link and a second link, the first link extends outward from the inside of the support frame along the battery pack in-out direction, one end of the first link located inside the support frame is movably connected with the support frame, the other end located outside the support frame is a free end, and the second link is connected between the bottom surface of the electrical connection device and the first link so that the first link is linked with the electrical connection device.

4. A battery pack charging stand according to claim 3, wherein the movable connection is a hinge; and/or two ends of the second connecting rod are respectively hinged with the electric connecting device and the first connecting rod.

5. A battery pack charging stand according to claim 3, wherein the other end of the first link outside the support frame has an extension portion, and the top of the extension portion is provided with an end plate so as to be abutted with an external force device.

6. The battery pack charging stand of claim 5, wherein said linkage mechanism further comprises a cushioning mechanism disposed on said support frame and facing said first link, said cushioning mechanism cushioning with said base plate return by external force on said first link being removed.

7. The battery pack charging stand according to claim 6, wherein the buffer mechanism is provided at a position on top of the support frame and corresponding to the end plate.

8. The battery pack charging stand of claim 2, wherein said electrical connection means further comprises a mounting plate floatably connected to said base plate, said mounting plate floatably having a plurality of electrical connectors thereon for effecting electrical connection with said battery pack.

9. The battery pack charging rack of claim 1, further comprising a first slide guiding mechanism disposed on top of the battery carrier and extending in a battery pack access direction.

10. The battery pack charging rack of claim 1 or 9, further comprising a stop frame located above the battery carrier and extending upwardly therefrom, the stop frame being provided with an opening on a first side of the battery pack charging rack for ingress and egress of the battery pack.

11. The battery pack charging stand according to claim 10, wherein the height of the stopper frame is not less than one third of the height value of the battery pack.

12. The battery pack charging rack according to claim 10, wherein a second slide guiding mechanism for guiding the battery pack is arranged on the inner side wall of the limit frame; and/or, the limit frame is provided with a guide mechanism at the opening end of the first side so as to guide the battery pack into the battery bearing frame.

13. The battery pack charging stand according to claim 10, wherein the stopper frame is provided with an elastic member at a second side opposite to the first side to prevent the battery pack from colliding with the stopper frame.

14. The battery pack charging stand of claim 10, wherein said battery carrier has a sloped bearing surface, said bearing surface being located higher on a first side than on a second side opposite said first side to avoid sliding of said battery pack out of said battery pack charging stand.

15. The battery pack charging stand of claim 10, wherein said battery carrier has a locking member disposed in correspondence with said first side, said locking member being either liftable or reversible.

16. The battery pack charging rack of claim 1, wherein the support frame bottom is provided with an adjustment mechanism for adjusting the support frame to adapt the battery carrier to an external battery pack handling apparatus for storage or removal of the battery pack.

17. A battery exchange or storage station comprising a battery pack charging rack as claimed in any one of claims 1 to 16 for receiving and electrically connecting battery packs of an electric vehicle for charging and discharging the battery packs.