1. A leveling apparatus for an electric vehicle, comprising:

the lifting assembly comprises a front lifting part (11) and a rear lifting part (12), the front lifting part (11) is used for lifting the front end of the electric automobile (20), and the rear lifting part (12) is used for lifting the rear end of the electric automobile (20);

a leveling component (2), wherein the leveling component (2) comprises a leveling part (25), the leveling part (25) comprises a front leveling part (251) close to the front lifting part (11) and a rear leveling part (252) close to the rear lifting part (12), a connection line of the highest points of the front leveling part (251) and the rear leveling part (252) is a leveling reference line, the electric automobile (20) is in contact with the front leveling part (251) and the rear leveling part (252) simultaneously or the electric automobile (20) is in contact with either the front leveling part (251) or the rear leveling part (252) when the electric automobile (20) is in contact with either the front leveling part (251) or the rear leveling part (252), wherein the lifting part close to the leveling part stops descending when the electric automobile (20) is in contact with either the front leveling part (251) or the rear leveling part (252), the lifting portion away from the leveling portion continues to descend until the electric vehicle (20) simultaneously contacts the front leveling portion (251) and the rear leveling portion (252).

2. The leveling apparatus for an electric vehicle according to claim 1, further comprising: trade electric assembly (3), trade electric assembly (3) and be located the below of electric automobile (20), trade electric assembly (3) is used for changing battery package (201) of electric automobile (20), leveling subassembly (2) are installed trade on electric assembly (3), just leveling portion (25) are located trade the top of electric assembly (3).

3. The leveling device for the electric automobile according to claim 2, wherein the battery replacing assembly (3) is suitable for placing the battery pack (201), a battery plug-in portion (2011) is arranged on the battery pack (201), the electric automobile (20) is provided with a body plug-in portion (202), and after the electric automobile (20) is simultaneously contacted with the front leveling portion (251) and the rear leveling portion (252), the front lifting portion (11) and the rear lifting portion (12) are simultaneously lowered again until the battery plug-in portion (2011) is plugged with the body plug-in portion (202).

4. The leveling device for the electric vehicle according to claim 3, wherein after the electric vehicle (20) is simultaneously contacted with the front leveling part (251) and the rear leveling part (252), the front lifting part (11) and the rear lifting part (12) pause for a first preset time, and then the front lifting part (11) and the rear lifting part (12) are simultaneously lowered again until the battery plug part (2011) is plugged with the vehicle body plug part (202).

5. The leveling device for the electric automobile according to claim 3, wherein the leveling component (2) comprises a front leveling device (21) and a rear leveling device (22), the front leveling device (21) and the rear leveling device (22) both comprise a leveling base (23) and a height rod (24), a guide groove (231) is arranged on the leveling base (23), a microswitch (26) is arranged at the bottom of the guide groove (231), a leveling part (25) is arranged at the top end of the height rod (24), the height rod (24) is arranged in the guide groove (231) in a penetrating manner, an elastic element (27) is arranged between the leveling base (23) and the leveling part (25), and when the electric automobile (20) is in contact with the front leveling part (251) and/or the rear leveling part (252), the height rod (24) corresponding to the leveling part descends, so as to trigger the micro switch (26), and the micro switch (26) is electrically connected with the corresponding lifting part.

6. The leveling apparatus for electric vehicle according to claim 5, wherein when either of the micro switches (26) of the front leveling device (21) and the rear leveling device (22) is triggered, the lifting portion near the leveling device stops descending, and the lifting portion far from the leveling device continues descending until the electric vehicle (20) comes into contact with the front leveling portion (251) and the rear leveling portion (252) at the same time.

7. The leveling device for electric vehicle according to claim 5, wherein when the micro switches (26) of the front leveling device (21) and the rear leveling device (22) are simultaneously activated, the front lifting part (11) and the rear lifting part (12) are simultaneously lowered again until the battery plug part (2011) is plugged with the body plug part (202).

8. The leveling apparatus for the electric vehicle according to claim 1, wherein the leveling reference line is a horizontal line.

9. A power swapping station, comprising: a leveling device for electric vehicles as recited in any one of claims 1 to 8.

10. The battery replacement method for the leveling device of the electric vehicle as claimed in any one of claims 3 to 7, comprising:

the lifting assembly descends to enable the electric automobile to approach the battery replacing assembly;

if the electric automobile is simultaneously contacted with the front leveling part and the rear leveling part, the front lifting part and the rear lifting part simultaneously descend until the battery plug-in part is plugged with the automobile body plug-in part;

if the electric automobile with preceding leveling portion with any contact of back leveling portion, then the lift portion that is close to this leveling portion stops descending, and the lift portion that keeps away from this leveling portion continues to descend to after electric automobile with preceding leveling portion with back leveling portion contacts simultaneously, preceding lift portion with back lift portion descends simultaneously again to battery grafting portion with automobile body grafting portion pegs graft.

Background

The charging time of the electric automobile is one of the main factors restricting the development of the electric automobile, the battery pack of the electric automobile can be replaced by the battery replacing trolley of the battery replacing station at present to quickly supplement the endurance mileage of the electric automobile, and in order to ensure the smooth replacement of the battery pack of the electric automobile, the bottom of the electric automobile needs to be adjusted to be flush with the battery replacing trolley.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. To this end, a first object of the present invention is to provide a leveling device for an electric vehicle to improve the reliability of the leveling device.

The second purpose of the invention is to provide a power swapping station.

The third purpose of the invention is to provide an electricity replacing method for the leveling equipment of the electric automobile.

In order to achieve the above object, an embodiment of a first aspect of the present invention provides a leveling apparatus for an electric vehicle, including: the lifting assembly comprises a front lifting part and a rear lifting part, the front lifting part is used for lifting the front end of the electric automobile, and the rear lifting part is used for lifting the rear end of the electric automobile; leveling subassembly, leveling subassembly is including leveling the portion, leveling portion is including being close to preceding leveling portion of preceding lift portion with be close to the back leveling portion of back lift portion, preceding leveling portion with the peak line of back leveling portion is the leveling datum line, electric automobile to the in-process that leveling portion is close to, electric automobile with preceding leveling portion with back leveling portion contacts simultaneously, perhaps electric automobile with preceding leveling portion or arbitrary contact of back leveling portion, wherein, works as electric automobile with preceding leveling portion or when the arbitrary contact of back leveling portion, the lift portion that is close to this leveling portion stops to descend, and the lift portion of keeping away from this leveling portion continues to descend until electric automobile with preceding leveling portion with back leveling portion contacts simultaneously.

According to the leveling device for the electric automobile provided by the embodiment of the invention, when the lifting assembly lifts the electric automobile to descend, the descending processes of the front lifting part and the rear lifting part can be correspondingly adjusted according to the contact sequence of the electric automobile and the front leveling part and the rear leveling part until the electric automobile is simultaneously contacted with the front leveling part and the rear leveling part, so that the bottom of the electric automobile is adjusted to be parallel to the leveling datum line. Meanwhile, the leveling component is directly contacted with the electric automobile, so that the influence of environmental factors on the leveling component is reduced, and the reliability of the leveling equipment is improved.

According to some embodiments of the invention, the leveling apparatus for an electric vehicle further comprises: the battery replacing component is located below the electric automobile and used for replacing a battery pack of the electric automobile, the leveling component is installed on the battery replacing component, and the leveling part is located above the battery replacing component.

Further, trade the electric subassembly and be suitable for placing the battery package, be provided with battery grafting portion on the battery package, electric automobile has automobile body grafting portion, electric automobile with preceding leveling portion with back leveling portion contacts the back simultaneously, preceding lift portion with back lift portion descends simultaneously once more battery grafting portion with automobile body grafting portion pegs graft.

Further, after the electric automobile is simultaneously contacted with the front leveling part and the rear leveling part, the front lifting part and the rear lifting part pause to move for a first preset time, and then the front lifting part and the rear lifting part simultaneously descend to the battery insertion part to be inserted into the automobile body insertion part.

Further, leveling subassembly includes preceding levelling device and back levelling device, preceding levelling device with back levelling device all includes leveling base and high pole, be provided with the guide way on the leveling base, the bottom of guide way is provided with micro-gap switch, leveling portion locates the top of high pole, high pole wears to locate the guide way, just leveling base with be provided with elastic element between the leveling portion, electric automobile with preceding leveling portion and/or during the contact of back leveling portion, this leveling portion corresponds high pole descends, in order to trigger micro-gap switch, micro-gap switch is connected with the lifting unit electricity that corresponds.

Further, when any one of the micro switches of the front leveling device and the rear leveling device is triggered, the lifting part close to the leveling device stops descending, and the lifting part far away from the leveling device continuously descends until the electric automobile is simultaneously contacted with the front leveling part and the rear leveling part.

Further, when the micro switches of the front leveling device and the rear leveling device are triggered simultaneously, the front lifting part and the rear lifting part descend to the battery insertion part to be inserted into the vehicle body insertion part simultaneously.

According to some embodiments of the invention, the leveling reference line is a horizontal line.

In order to achieve the above object, an embodiment of a second aspect of the present invention provides a swapping station, including: the leveling device for the electric automobile is described above.

According to the power exchanging station disclosed by the embodiment of the invention, when the lifting assembly lifts the electric automobile to descend so as to replace the battery pack, the descending processes of the front lifting part and the rear lifting part can be correspondingly adjusted according to the contact sequence of the electric automobile with the front leveling part and the rear leveling part until the electric automobile is simultaneously contacted with the front leveling part and the rear leveling part, so that the bottom of the electric automobile is adjusted to be parallel to the leveling datum line, the matching precision of the power exchanging assembly and the electric automobile is ensured, and the smooth replacement of the battery pack of the electric automobile is ensured. Meanwhile, the leveling component is directly contacted with the electric automobile, so that the influence of environmental factors on the leveling component is reduced, and the reliability of the leveling equipment is improved. In addition, the leveling component has the advantages of simple structure, low cost and long service life.

In order to achieve the above object, a third embodiment of the present invention provides a method for replacing a power supply of a leveling device for an electric vehicle, including: the lifting assembly descends to enable the electric automobile to approach the battery replacing assembly; if the electric automobile is simultaneously contacted with the front leveling part and the rear leveling part, the front lifting part and the rear lifting part simultaneously descend until the battery plug-in part is plugged with the automobile body plug-in part; if the electric automobile with preceding leveling portion with any contact of back leveling portion, then the lift portion that is close to this leveling portion stops descending, and the lift portion that keeps away from this leveling portion continues to descend to after electric automobile with preceding leveling portion with back leveling portion contacts simultaneously, preceding lift portion with back lift portion descends simultaneously again to battery grafting portion with automobile body grafting portion pegs graft.

According to the power exchanging method for the leveling equipment of the electric automobile, when the lifting assembly lifts the electric automobile to descend so as to replace the battery pack, descending processes of the front lifting part and the rear lifting part can be correspondingly adjusted according to the contact sequence of the electric automobile with the front leveling part and the rear leveling part until the electric automobile is simultaneously contacted with the front leveling part and the rear leveling part, the front lifting part and the rear lifting part are simultaneously descended again until the battery plug-in part is plugged with the automobile body plug-in part, so that the matching precision of the power exchanging assembly and the electric automobile is guaranteed, and the battery pack replacement of the electric automobile can be smoothly carried out.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic view of a leveling device and an electric vehicle according to an embodiment of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic view of a leveling assembly and a swapping assembly according to an embodiment of the present invention;

FIG. 4 is a schematic view of a leveling assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of a battery dock and a vehicle body dock mated in accordance with an embodiment of the present invention;

fig. 6 is a flowchart of a power swapping method for a leveling device of an electric vehicle according to an embodiment of the present invention.

Reference numerals:

the electric vehicle comprises a front lifting part 11, a rear lifting part 12, a leveling component 2, a front leveling device 21, a rear leveling device 22, a leveling base 23, a guide groove 231, a height rod 24, a leveling part 25, a front leveling part 251, a rear leveling part 252, a micro switch 26, an elastic element 27, a battery replacing component 3, an electric vehicle 20, a battery pack 201, a battery plug-in part 2011 and a vehicle body plug-in part 202.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Hereinafter, a leveling apparatus for an electric vehicle according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, a leveling apparatus for an electric vehicle includes: lifting unit and leveling subassembly 2, lifting unit includes preceding lift portion 11 and back lift portion 12, preceding lift portion 11 is used for going up and down the front end of electric automobile 20, back lift portion 12 is used for going up and down the rear end of electric automobile 20, optionally, two front wheels of electric automobile 20 stop at preceding lift portion 11, preceding lift portion 11 realizes the lift to electric automobile 20 front end through two front wheels of going up and down electric automobile 20, two rear wheels of electric automobile 20 stop at back lift portion 12, back lift portion 12 realizes the lift to electric automobile 20 rear end through two rear wheels of going up and down electric automobile 20.

Referring to fig. 1 to 4, the leveling assembly 2 includes a leveling portion 25, the leveling portion 25 includes a front leveling portion 251 adjacent to the front lifting portion 11 and a rear leveling portion 252 adjacent to the rear lifting portion 12, a connection line of the highest points of the front leveling portion 251 and the rear leveling portion 252 is a leveling reference line a, when the front lifting portion 11 and the rear lifting portion 12 lift the electric vehicle 20 to descend, and the electric vehicle 20 approaches the leveling portion 25, the electric vehicle 20 contacts the front leveling portion 251 and the rear leveling portion 252 at the same time, or the electric vehicle 20 contacts either the front leveling portion 251 or the rear leveling portion 252.

Here, when the electric vehicle 20 is simultaneously in contact with the front leveling part 251 and the rear leveling part 252, it is described that the bottom of the electric vehicle 20 is parallel to the leveling reference line a, and the electric vehicle 20 does not need to perform a leveling operation.

When the electric vehicle 20 contacts with either the front leveling part 251 or the rear leveling part 252, it is described that the bottom of the electric vehicle 20 is not parallel to the leveling reference line a, the lifting part close to the leveling part stops descending, and the lifting part far from the leveling part continues descending until the electric vehicle 20 contacts with both the front leveling part 251 and the rear leveling part 252, so as to adjust the bottom of the electric vehicle 20 to be parallel to the leveling reference line a.

Specifically, if the bottom of the electric vehicle 20 first contacts the front leveling part 251 during the descending process, it is indicated that the front end of the electric vehicle 20 is higher than the rear end of the electric vehicle 20, the front lifting part 11 close to the front leveling part 251 stops descending, and the rear lifting part 12 far from the front leveling part 251 continues descending until the electric vehicle 20 simultaneously contacts the front leveling part 251 and the rear leveling part 252, so that the bottom of the electric vehicle 20 is adjusted to be parallel to the leveling reference line a. Similarly, if the bottom of the electric vehicle 20 contacts the rear leveling part 252 first in the descending process, it indicates that the rear end of the electric vehicle 20 is higher than the front end of the electric vehicle 20, the rear lifting part 12 close to the rear leveling part 252 stops descending, and the front lifting part 11 far from the rear leveling part 252 continues descending until the electric vehicle 20 contacts the front leveling part 251 and the rear leveling part 252 at the same time, so that the bottom of the electric vehicle 20 is adjusted to be parallel to the leveling reference line a.

It should be noted that the two positions where the electric vehicle 20 contacts the front leveling part 251 and the rear leveling part 252 are positions where the electric vehicle 20 is at the same height when on a horizontal ground, and the two positions where the electric vehicle contacts may be a chassis of the electric vehicle 20, so as to adjust the levelness of the chassis of the electric vehicle 20. Alternatively, two positions where the electric vehicle 20 contacts the front leveling portion 251 and the rear leveling portion 252 are located on the rocker beam of the electric vehicle 20.

According to the leveling device for the electric automobile provided by the embodiment of the invention, when the lifting assembly lifts the electric automobile 20 to descend, the descending processes of the front lifting part 11 and the rear lifting part 12 can be correspondingly adjusted according to the contact sequence of the electric automobile 20 with the front leveling part 251 and the rear leveling part 252 until the electric automobile 20 is simultaneously contacted with the front leveling part 251 and the rear leveling part 252, so that the bottom of the electric automobile 20 is adjusted to be parallel to the leveling reference line. Meanwhile, the leveling component 2 is directly contacted with the electric automobile 20, so that the influence of environmental factors on the leveling component 2 is reduced, and the reliability of the leveling equipment is improved.

Referring to fig. 1 to 5, the leveling apparatus for an electric vehicle further includes: the battery replacing component 3 is located below the electric automobile 20, the battery replacing component 3 is used for replacing a battery pack 201 of the electric automobile 20, the leveling component 2 is installed on the battery replacing component 3, and the leveling portion 25 is located above the battery replacing component 3, when the battery replacing component 3 replaces the battery pack 201 from the bottom of the electric automobile 20, the electric automobile 20 can descend above the battery replacing component 3 to be close to the battery replacing component 3, and when the battery replacing component 3 is close to, the bottom of the electric automobile 20 can be in contact with the leveling portion 25 above the battery replacing component 3 first, so that the bottom of the electric automobile 20 is adjusted to be parallel to the leveling datum line before the battery pack 201 is replaced, further the matching accuracy of the battery replacing component 3 and the electric automobile 20 is guaranteed, and the smoothness of replacing the battery pack 201 of the electric automobile 20 is guaranteed.

Referring to fig. 1 to 5, the battery replacing assembly 3 is suitable for placing a battery pack 201, a battery plugging portion 2011 is arranged on the battery pack 201, the electric vehicle 20 has a vehicle body plugging portion 202, after the electric vehicle 20 is simultaneously contacted with the front leveling portion 251 and the rear leveling portion 252, the front lifting portion 11 and the rear lifting portion 12 are simultaneously lowered again to the battery plugging portion 2011 to be plugged with the vehicle body plugging portion 202, so that before the battery plugging portion 2011 is plugged with the vehicle body plugging portion 202, it is ensured that the battery pack 201 is parallel to the bottom of the electric vehicle 20, so as to prevent the battery plugging portion 2011 from being obliquely plugged with the vehicle body plugging portion 202, thereby being beneficial to preventing the battery plugging portion 2011 and the vehicle body plugging portion 202 from being damaged in a process of replacing the battery pack 201, and further being beneficial to prolonging service lives of the battery plugging portion 2011 and the vehicle body plugging portion 202.

In some embodiments of the present invention, after the electric vehicle 20 is simultaneously contacted with the front leveling part 251 and the rear leveling part 252, the front lifting part 11 and the rear lifting part 12 pause to move for a first preset time, so as to eliminate a vehicle body deflection caused by different stresses on front and rear suspensions of the electric vehicle 20 during a descending process of the electric vehicle 20, so that the suspensions of the electric vehicle 20 are in a stable state, and the electric vehicle 20 is prevented from shaking, and then the front lifting part 11 and the rear lifting part 12 are simultaneously descended again until the battery plug part 2011 is plugged with the vehicle body plug part 202.

In some embodiments of the present invention, the first predetermined time is 0.5 seconds to 5 seconds, for example, the first predetermined time is 1 second.

Referring to fig. 1 to 5, the leveling assembly 2 includes a front leveling device 21 and a rear leveling device 22, the front leveling device 21 and the rear leveling device 22 both include a leveling base 23 and a height rod 24, a guide groove 231 is disposed on the leveling base 23, a micro switch 26 is disposed at the bottom of the guide groove 231, a leveling portion 25 is disposed at the top end of the height rod 24, the height rod 24 is disposed in the guide groove 231 in a penetrating manner, an elastic element 27 is disposed between the leveling base 23 and the leveling portion 25, the elastic element 27 may be a spring, the height rod 24 does not trigger the micro switch 26 when the leveling portion 25 is not in contact with the electric vehicle 20, the spring is compressed when the leveling portion 25 is in contact with the electric vehicle 20, the height rod 24 triggers the micro switch 26, and in addition, the spring can also achieve automatic reset of the height rod 24. When the electric vehicle 20 contacts the front leveling part 251 and/or the rear leveling part 252, the height rod 24 corresponding to the leveling part descends to trigger the micro switch 26, and the micro switch 26 can be electrically connected with the corresponding lifting part to convert the information of the contact of the electric vehicle 20 and the leveling part 25 into a trigger electric signal of the micro switch 26, so that the lifting of the lifting part is correspondingly controlled, and the leveling of the electric vehicle 20 is realized. The leveling component 2 is combined with the microswitch 26 through a mechanical structure, so that the leveling component has the advantages of simple structure, low cost, high reliability, strong practicability, long service life and the like, the influence of environmental factors (rain, snow and dust) on the accuracy of the leveling component 2 can be eliminated, and the design service life of the leveling component 2 can reach 10 years or more.

In some embodiments of the present invention, when the electric vehicle 20 contacts the front leveling part 251, the height rod 24 of the front leveling device 21 is lowered to trigger the micro switch 26 of the front leveling device 21, and the micro switch 26 of the front leveling device 21 may be electrically connected to the front lifting part 11 to convert the information that the electric vehicle 20 contacts the front leveling part 251 into the trigger electric signal of the micro switch 26 and transmit the trigger electric signal to the front lifting part 11. When the electric vehicle 20 contacts the rear leveling part 252, the height rod 24 of the rear leveling device 22 descends to trigger the micro switch 26 of the rear leveling device 22, and the micro switch 26 of the rear leveling device 22 can be electrically connected with the rear lifting part 12 to convert the information of the contact of the electric vehicle 20 and the rear leveling part 252 into a trigger electric signal of the micro switch 26 and transmit the trigger electric signal to the rear lifting part 12.

In some embodiments of the present invention, when the micro switches 26 of the front leveling device 21 and the rear leveling device 22 are triggered, the lifting part close to the leveling device stops descending, and the lifting part far from the leveling device continues descending until the electric vehicle 20 simultaneously contacts the front leveling part 251 and the rear leveling part 252, so as to adjust the bottom of the electric vehicle 20 to be parallel to the leveling reference line.

In some embodiments of the present invention, when the micro switches 26 of the front leveling device 21 and the rear leveling device 22 are simultaneously triggered, the front lifting part 11 and the rear lifting part 12 are simultaneously lowered again until the battery plug-in part 2011 is plugged into the vehicle body plug-in part 202, so as to ensure that the battery pack 201 is parallel to the bottom of the electric vehicle 20 before the battery plug-in part 2011 is plugged into the vehicle body plug-in part 202, so as to prevent the battery plug-in part 2011 from being obliquely plugged into the vehicle body plug-in part 202, thereby being beneficial to preventing the battery plug-in part 2011 and the vehicle body plug-in part 202 from being damaged in a process of replacing the battery pack 201, and further being beneficial to prolonging service lives of the battery plug-in part 2011 and the vehicle body plug-in part 202.

In some embodiments of the present invention, the leveling reference line is a horizontal line to meet the requirement of the battery plug part 2011 being plugged into the body plug part 202, and at the same time, the horizontal line is convenient for measurement to facilitate maintenance and calibration of the leveling assembly 2.

The power swapping station according to an embodiment of the invention is described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 5, the battery replacement station includes the leveling device for the electric vehicle according to the above-described embodiment.

According to the power exchanging station disclosed by the embodiment of the invention, when the lifting assembly lifts the electric automobile 20 to descend so as to replace the battery pack 201, the descending processes of the front lifting part 11 and the rear lifting part 12 can be correspondingly adjusted according to the contact sequence of the electric automobile 20 with the front leveling part 251 and the rear leveling part 252 until the electric automobile 20 is simultaneously contacted with the front leveling part 251 and the rear leveling part 252, so that the bottom of the electric automobile 20 is adjusted to be parallel to the leveling reference line, the matching precision of the power exchanging assembly 3 and the electric automobile 20 is ensured, and the battery pack 201 replacement of the electric automobile 20 is smoothly carried out. Meanwhile, the leveling component 2 is directly contacted with the electric automobile 20, so that the influence of environmental factors on the leveling component 2 is reduced, and the reliability of the leveling equipment is improved. In addition, the leveling component 2 has simple structure, low cost and long service life.

The following describes in detail a power conversion method for a leveling device of an electric vehicle according to an embodiment of the present invention with reference to the accompanying drawings.

Referring to fig. 6, the power conversion method for the leveling device of the electric vehicle according to the embodiment of the invention includes:

and step S1, the lifting assembly descends to enable the electric automobile to approach the battery replacement assembly.

And step S2, if the electric automobile is simultaneously contacted with the front leveling part and the rear leveling part, the front lifting part and the rear lifting part simultaneously descend until the battery plug-in part is plugged with the automobile body plug-in part.

And step S3, if the electric automobile contacts with any one of the front leveling part and the rear leveling part, the lifting part close to the leveling part stops descending, the lifting part far away from the leveling part continuously descends until the electric automobile contacts with the front leveling part and the rear leveling part at the same time, and the front lifting part and the rear lifting part simultaneously descend again until the battery plug-in part is plugged in the automobile body plug-in part.

According to the power exchanging method for the leveling equipment of the electric automobile, when the lifting assembly lifts the electric automobile to descend so as to replace the battery pack, descending processes of the front lifting part and the rear lifting part can be correspondingly adjusted according to the contact sequence of the electric automobile with the front leveling part and the rear leveling part until the electric automobile is simultaneously contacted with the front leveling part and the rear leveling part, the front lifting part and the rear lifting part are simultaneously descended again until the battery plug-in part is plugged with the automobile body plug-in part, so that the matching precision of the power exchanging assembly and the electric automobile is guaranteed, and the battery pack replacement of the electric automobile can be smoothly carried out.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.