CN208216680U - A kind of Quick battery-changing device and a kind of electric automobile charging station - Google Patents

Abstract

The utility model discloses a battery quick changing device and an electric vehicle charging station provided with the battery quick changing device. The battery quick change device includes: a battery assembly for installation in the vehicle body, the battery assembly is provided with a mounting hole; a mobile lifting platform for transporting the battery assembly; a slider, the slider is provided with a first guide groove , the side wall of the first guide groove is provided with a first slot hole; the locking pin, one end of the locking pin is fixedly connected with the bottom of the vehicle body and adapted to the mounting hole on the battery assembly, and the other end is provided with a The locking section adapted to the guide groove is provided with a second slot hole; a connecting piece used to detachably connect the first slot hole and the second slot hole. It can be seen that the utility model transports the battery assembly through the mobile lifting platform, and realizes the quick disassembly and installation of the battery assembly through the locking pin, slider and connector, which is conducive to the promotion and application of the "battery swap mode".

Description

A battery quick change device and an electric vehicle charging station

technical field

The utility model relates to the technical field of electric vehicle battery systems, in particular to a battery quick-changing device and an electric vehicle charging station provided with the battery quick-changing device.

Background technique

Electric vehicles have developed rapidly due to their advantages of energy saving and environmental protection. However, long charging time and short cruising range are important factors restricting the development of electric vehicles.

The "battery swap mode" of electric vehicles provides a research direction for solving this problem. The so-called "battery exchange" refers to the centralized storage, centralized charging, and unified distribution of a large number of batteries through centralized charging stations, and the battery replacement service for electric vehicles in the battery distribution station, or the integration of battery charging, logistics deployment, and battery exchange services. One.

Among them, whether the power battery assembly of the power swap system can be quickly replaced on the body is the basic condition for determining the promotion and application of the "battery swap mode".

Therefore, how to realize the rapid replacement of the battery assembly on the vehicle body is a technical problem to be solved urgently by those skilled in the art.

Utility model content

In view of this, the purpose of the present utility model is to provide a battery quick change device and an electric vehicle charging station provided with the battery quick change device, which can realize the quick replacement of the battery assembly on the vehicle body.

In order to achieve the above object, the utility model provides the following technical solutions:

A battery quick change device, comprising:

A battery assembly for being installed in the vehicle body, the battery assembly is provided with installation holes;

a mobile lifting platform for transporting said battery assembly;

A slider, the slider is provided with a first guide groove, and the side wall of the first guide groove is provided with a first slot;

A locking pin, one end of the locking pin is fixedly connected to the bottom of the vehicle body and fits into the mounting hole on the battery assembly, and the other end is provided with a lock fit into the first guide groove A stop section, the lock section is provided with a second slot;

A connecting piece for detachably connecting the first slot and the second slot.

Preferably, in the above battery quick change device, the mobile lifting platform includes:

The platform body used to support the battery assembly, the upper surface of the platform body is provided with a sliding booster mechanism;

base;

a lifting mechanism arranged between the platform body and the base;

Rollers arranged under the base.

Preferably, in the above battery quick change device, the sliding assist mechanism is a plurality of balls embedded in the upper surface of the platform body.

Preferably, in the above battery quick change device, the central axis of the locking pin is perpendicular to the chassis plane of the vehicle body;

After the slider is assembled with the locking pin, the first guide groove is a horizontal groove and is perpendicular to the forward direction of the vehicle.

Preferably, in the above battery quick change device, the connector is a ball screw;

And on the locking pin, the end where the locking section is located is provided with a raised platform for supporting the slider.

Preferably, in the above-mentioned battery quick change device, there are at least two first slots, which are respectively provided on two side walls of the first guide groove.

Preferably, in the above battery quick change device, the second slot and/or the first slot are through holes.

Preferably, in the above battery quick change device, the locking pin is provided with a second guide groove, the second slot hole is located at the bottom of the second guide groove, and one side of the second guide groove A wall constitutes said raised platform.

An electric vehicle charging station is provided with the battery quick change device as described above.

Preferably, an operation ditch is provided on the ground of the electric vehicle charging station, and the battery quick change device is located in the operation ditch.

It can be seen from the above technical solution that the battery quick change device and the electric vehicle charging station provided by the utility model transport the battery assembly through the mobile lifting platform, and realize the rapid replacement of the battery assembly through the locking pin, the slider and the connecting piece. Disassembly and installation. It can be seen that the battery quick change device provided by the utility model can not only realize the rapid replacement of the battery assembly on the vehicle body, but also contribute to the promotion and application of the "battery change mode", and has a simple structure, convenient operation, and low operating costs.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the front view of the battery quick change device provided by the utility model embodiment;

Fig. 2 is a left view of the battery quick change device provided by the embodiment of the present invention;

Fig. 3 is a schematic structural view of the locking pin provided by the embodiment of the present invention;

Fig. 4 is a schematic diagram of the installation structure of the slider and the ball screw provided by the embodiment of the present invention.

in:

1-body, 2-battery assembly, 3-quick-change locking mechanism assembly, 4-movable lifting platform, 41-ball,

5-locking pin, 51-locking section, 52-second slot, 53-raised platform,

6-bead screw, 7-slider, 71-the first slot,

Arrow - The direction in which the slider slides.

Detailed ways

The utility model discloses a battery quick-changing device and an electric vehicle charging station provided with the battery quick-changing device, which can realize quick replacement of a battery assembly on a vehicle body.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1 to Fig. 4, Fig. 1 is the front view of the battery quick-changing device provided by the embodiment of the utility model, Fig. 2 is the left view of the battery quick-changing device provided by the utility model embodiment, Fig. 3 is the utility model The structural diagram of the locking pin provided in the embodiment, and FIG. 4 is a schematic diagram of the installation structure of the slider and the ball screw provided in the embodiment of the present invention.

The battery quick change device provided by the embodiment of the utility model includes a battery assembly 2, a mobile lifting platform 4, a slider 7, a locking pin 5, and a connecting piece. in:

The battery assembly 2 is used to be installed in the body 1 and connected to the drive system in the body 1, and the battery assembly 2 is detachable and replaceable, and the battery assembly 2 is provided with an installation hole for installing the locking pin 5;

The mobile lifting platform 4 is used to transport the battery assembly 2 to the installation position under the vehicle body 1 when the battery assembly 2 is replaced;

The slider 7 is provided with a first guide groove, and the side wall of the first guide groove is provided with a first slot 71;

One end of the locking pin 5 is fixedly connected to the bottom of the vehicle body 1 and fits into the mounting hole on the battery assembly 2, and the other end is provided with a locking section 51 that fits into the first guide groove on the slider 7 to lock The segment 51 is provided with a second slot 52;

The connecting piece is used to detachably connect the first slot 71 and the second slot 52, so that the locking pin 5, the slider 7 and the connecting piece used to connect the locking pin 5 and the sliding block 7 constitute a quick-change lock Mechanism Assembly 3.

For an electric vehicle equipped with the battery quick change device provided by the embodiment of the present invention, when replacing the battery assembly, the operation is as follows:

The body 1 is parked on the quick-change station, the battery assembly 2 to be installed is placed on the top of the mobile lifting platform 4, and moved to the bottom of the body 1;

Adjust the position of the mobile lifting platform 4 so that the locking pin 5 below the vehicle body 1 is vertically aligned with the mounting hole on the battery assembly 2;

Lift the battery assembly 2 upward by moving the lifting platform 4. When the locking pin 5 is in contact with the mounting hole on the battery assembly 2, push and pull the battery assembly 2 to fine-tune the assembly position until the locking pin 5 is in contact with the battery assembly. 2 assembled in place, at this time the mobile lifting platform 4 stops the upward movement;

The slider 7 is inserted into the locking section 51 of the locking pin 5, and the slider 7 and the locking pin 5 are firmly connected through the connecting piece. At this point, the battery assembly 2 is quickly replaced.

It can be seen from the above technical solutions that the battery quick change device provided by the embodiment of the utility model transports the battery assembly 2 through the mobile lifting platform 4, and realizes the battery assembly 2 through the locking pin 5, the slider 7 and the connector. Quick disassembly and installation. It can be seen that the battery quick change device provided by the embodiment of the utility model can not only realize the rapid replacement of the battery assembly 2 on the vehicle body 1, but also contribute to the promotion and application of the "battery change mode", and has a simple structure, convenient operation, and easy operation. low cost.

In a specific embodiment, the mobile lifting platform 4 includes a platform body, a lifting mechanism, a base and rollers. Wherein: the platform body is used to support the battery assembly 2, and the upper surface of the platform body is provided with a sliding booster mechanism, preferably, as shown in Figure 1 and Figure 2, the sliding booster mechanism is inlaid on the upper surface of the platform body A plurality of balls 41 inside; the lifting mechanism is arranged between the platform body and the base for raising or lowering the platform body to adjust the assembly height of the battery assembly 2 on the platform body; the rollers are arranged below the base so that Push the mobile lifting platform 4 to transport the battery assembly 2 to the installation position under the vehicle body 1 .

In a specific embodiment, as shown in FIG. 1 and FIG. 2, in the above-mentioned quick-change locking mechanism assembly 3, the central axis of the locking pin 5 is perpendicular to the chassis plane of the vehicle body 1, and is vertical to the floor of the body-in-white of the vehicle body 1. The beam is welded and fixed; the slider 7 is a U-shaped structure (see Figure 4), and the middle slot of the U-shaped structure is the first guide groove; after the slider 7 is assembled with the locking pin 5, the first guide on the slider 7 The slot is a horizontal slot and is perpendicular to the forward direction of the car. Thereby, slide block 7 is inserted on the locking pin 5 horizontally, while being convenient to operate, also can avoid that the vehicle vibrates up and down, and throws off slide block 7 when advancing horizontally or decelerating, to ensure that slide block 7 in quick-change locking mechanism 3 Reliable connection with locking pin 5.

In order to further optimize the above-mentioned technical solution, the connecting piece in the above-mentioned quick-change locking mechanism assembly 3 is a ball screw 6 . And, as shown in Figure 3, on the locking pin 5, one end where the locking section 51 is located is provided with a raised platform 53 for supporting the slider 7, so as to prevent the slider 7 from falling off due to the vertical vibration of the vehicle. .

Since the ball screw 6 is fixed in the first slot 71 , the ball on the ball screw 6 can move telescopically along the axial direction of the first slot 71 . When the locking pin 5 is inserted into the first guide groove and the slider 7 slides on the locking pin 5, the wave ball contacts the side wall of the locking pin 5 and is pressed into the first slot 71; when the slider 7 Sliding to the installation position, that is, when the first slot 71 on the slider 7 is coaxially connected with the second slot 52 on the locking pin 5, due to the elasticity, the wave bead protrudes from the inner surface of the first guide groove and extends into it. The second slot 52 is engaged with it, so far, the installation of the slider 7 is completed, and the quick-change locking mechanism assembly 3 is locked. When the slider 7 is disassembled by an external force, the ball will slide out from the second slot 52 to disassemble the slider 7 from the locking pin 5 .

Specifically, there are at least two first slots 71 on the slider 7, and they are respectively located on two side walls of the first guide groove. Preferably, both the first slot 71 on the slider 7 and the second slot 52 on the locking pin 5 are through holes.

Further, the locking pin 5 is provided with a second guide groove, the second slot hole 52 is located at the bottom of the second guide groove, and a side wall of the second guide groove forms a raised platform 53 .

But it is not limited thereto. In other specific embodiments, the slider 7 can also be set in a V-shaped structure, an M-shaped structure or other suitable structures, and the second slot 52 and the first slot 71 can also be set in a suitable The blind holes, the first slots 71 can also be set to other numbers and positions, and those skilled in the art can make specific settings according to actual needs, which is not specifically limited in the present invention.

In addition, the embodiment of the present utility model also provides an electric vehicle charging station, the electric vehicle charging station is provided with the battery quick change device as mentioned above. Moreover, an operation ditch is provided on the ground of the electric vehicle charging station, and the battery quick change device is located in the operation ditch.

Finally, it should also be noted that in this text, relational terms such as first and second etc. are only used to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations, any such actual relationship or order exists. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A battery quick change device, characterized in that, comprising: A battery assembly (2) for being installed in the vehicle body (1), where the battery assembly (2) is provided with installation holes; A mobile lifting platform (4) for transporting the battery assembly (2); A slider (7), the slider (7) is provided with a first guide groove, and the side wall of the first guide groove is provided with a first slot hole (71); A locking pin (5), one end of the locking pin (5) is fixedly connected to the bottom of the vehicle body (1) and adapted to the mounting hole on the battery assembly (2), and the other end is set There is a locking section (51) adapted to the first guide groove, and a second slot hole (52) is arranged on the locking section (51); A connecting piece for detachably connecting the first slot (71) and the second slot (52). 2. The battery quick change device according to claim 1, characterized in that, the mobile lifting platform (4) comprises: The platform body used to support the battery assembly (2), the upper surface of the platform body is provided with a sliding booster mechanism; base; a lifting mechanism arranged between the platform body and the base; Rollers arranged under the base. 3. The battery quick change device according to claim 2, characterized in that the sliding assist mechanism is a plurality of balls (41) embedded in the upper surface of the platform body. 4. The battery quick change device according to claim 1, characterized in that, the central axis of the locking pin (5) is perpendicular to the chassis plane of the vehicle body (1); After the slider (7) is assembled with the locking pin (5), the first guide groove is a horizontal groove and is perpendicular to the forward direction of the vehicle. 5. The battery quick change device according to claim 4, characterized in that, the connecting piece is a ball screw (6); And on the locking pin (5), the end where the locking segment (51) is located is provided with a raised platform (53) for supporting the slider (7). 6 . The battery quick change device according to claim 5 , characterized in that there are at least two first slots ( 71 ), which are respectively arranged on two side walls of the first guide groove. 7 . 7. The battery quick change device according to claim 6, characterized in that, the second slot (52) and/or the first slot (71) are through holes. 8. The battery quick change device according to claim 7, characterized in that, the locking pin (5) is provided with a second guide groove, and the second slot hole (52) is located in the second guide groove One side wall of the second guide groove constitutes the raised platform (53). 9. A charging station for electric vehicles, characterized in that it is provided with the battery quick change device according to any one of claims 1-8. 10 . The electric vehicle charging station according to claim 9 , wherein an operation ditch is arranged on the ground of the electric vehicle charging station, and the battery quick change device is located in the operation ditch. 11 .