CN113401838B - Leveling device for electric vehicle, power exchanging method thereof and power exchanging station - Google Patents
Leveling device for electric vehicle, power exchanging method thereof and power exchanging station Download PDFInfo
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- CN113401838B CN113401838B CN202110594534.1A CN202110594534A CN113401838B CN 113401838 B CN113401838 B CN 113401838B CN 202110594534 A CN202110594534 A CN 202110594534A CN 113401838 B CN113401838 B CN 113401838B
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- leveling
- electric automobile
- lifting
- assembly
- battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
- B66F2700/12—Lifting platforms for vehicles or motorcycles or similar lifting apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Abstract
The invention discloses leveling equipment for an electric automobile, a power exchanging method thereof and a power exchanging station. The leveling apparatus includes: the lifting assembly comprises a front lifting part and a rear lifting part, the leveling assembly comprises a leveling part, the leveling part comprises a front leveling part close to the front lifting part and a rear leveling part close to the rear lifting part, the highest point connecting line of the front leveling part and the rear leveling part is a leveling datum line, when the lifting assembly lifts the electric automobile to descend, the descending process 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 contacts with the front leveling part and the rear leveling part at the same time, and therefore 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.
Description
Technical Field
The invention relates to the field of power exchange stations, in particular to leveling equipment for an electric automobile, a power exchange method of leveling equipment and a power exchange station.
Background
The charging time of the electric automobile is always one of 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 power replacing station at present so as to quickly supplement the endurance mileage of the electric automobile, the bottom of the electric automobile needs to be adjusted to be level with the battery replacing trolley in order to ensure the battery pack of the electric automobile to be replaced smoothly, in the related art, a vision sensor or a laser sensor is generally used for leveling the electric automobile, however, the precision of the vision sensor and the laser sensor is easily affected by the environment (rain, snow and dust), for example, a rainy water spot is on the sensor, the sensor can fail, and the manufacturing cost and the maintenance cost of the vision sensor and the laser sensor are high.
Disclosure of Invention
The present invention aims to solve, at least to some extent, one of the above technical problems in the prior art. To this end, a first object of the present invention is to propose a leveling device for an electric vehicle to improve the reliability of the leveling device.
A second object of the invention is to propose a power exchange station.
A third object of the present invention is to provide a power exchanging method of the leveling device for an electric automobile.
To achieve the above object, an embodiment of a first aspect of the present invention provides a leveling device for an electric automobile, 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; the leveling assembly comprises a leveling part, the leveling part comprises a front leveling part close to the front lifting part and a rear leveling part close to the rear lifting part, the highest point connecting line of the front leveling part and the rear leveling part is a leveling datum line, in the process that the electric automobile approaches to the leveling part, the electric automobile is contacted with the front leveling part and the rear leveling part at the same time, or the electric automobile is contacted with any one of the front leveling part and the rear leveling part, wherein when the electric automobile is contacted with any one of the front leveling part and the rear leveling part, the lifting part close to the leveling part stops descending, and the lifting part far away from the leveling part continues descending until the electric automobile is contacted with the front leveling part and the rear leveling part at the same time.
According to the leveling equipment for the electric automobile, 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 with the front leveling part and the rear leveling part until the electric automobile contacts with the front leveling part and the rear leveling part at the same time, so that the bottom of the electric automobile is adjusted to be parallel to a 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 includes: the battery pack of the electric automobile is replaced by the leveling component, the leveling component is arranged on the battery pack of the electric automobile, and the leveling part is arranged above the battery pack of the electric automobile.
Further, the battery pack is suitable for being placed by the battery replacement assembly, a battery plug-in portion is arranged on the battery pack, the electric automobile is provided with a car body plug-in portion, and after the electric automobile is contacted with the front leveling portion and the rear leveling portion at the same time, the front lifting portion and the rear lifting portion are lowered to the battery plug-in portion and the car body plug-in portion at the same time again.
Further, after the electric automobile contacts the front leveling part and the rear leveling part simultaneously, the front lifting part and the rear lifting part pause moving for a first preset time, and then the front lifting part and the rear lifting part descend to the battery plugging part to be plugged with the automobile body plugging part again simultaneously.
Further, the leveling assembly comprises a front leveling device and a rear leveling device, the front leveling device and the rear leveling device comprise leveling bases and height rods, guide grooves are formed in the leveling bases, micro switches are arranged at the bottoms of the guide grooves, the leveling portions are arranged at the top ends of the height rods, the height rods penetrate through the guide grooves, elastic elements are arranged between the leveling bases and the leveling portions, and when the electric automobile is contacted with the front leveling portions and/or the rear leveling portions, the height rods corresponding to the leveling portions descend to trigger the micro switches, and the micro switches are electrically connected with corresponding lifting portions.
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 continues descending until the electric automobile is contacted with the front leveling part and the rear leveling part at the same time.
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 are lowered to the battery plugging part to be plugged with the vehicle body plugging part again simultaneously.
According to some embodiments of the invention, the leveling reference line is a horizontal line.
To achieve the above object, an embodiment of a second aspect of the present invention provides a power exchange station, including: the leveling device for the electric automobile is described above.
According to the power exchange station disclosed by the embodiment of the invention, when the lifting assembly lifts the electric automobile to descend for replacing 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 contacted with the front leveling part and the rear leveling part at the same time, so that the bottom of the electric automobile is adjusted to be parallel to the leveling datum line, the matching precision of the power exchange assembly and the electric automobile is ensured, and the smooth performance of replacing 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 assembly is simple in structure, low in cost and long in service life.
In order to achieve the above object, an embodiment of a third aspect of the present invention provides a power exchanging method of the leveling device for an electric vehicle, including: the lifting assembly descends so that the electric automobile approaches the power conversion assembly; if the electric automobile is contacted with the front leveling part and the rear leveling part at the same time, the front lifting part and the rear lifting part are simultaneously lowered to the state that the battery plug-in part is plugged with the automobile body plug-in part; if the electric automobile is in contact with any one of the front leveling part and the rear leveling part, the lifting part close to the leveling part stops descending, and the lifting part far away from the leveling part continues to descend until the front lifting part and the rear lifting part descend again until the battery plug-in part is plugged into the vehicle body plug-in part after the electric automobile is in contact with the front leveling part and the rear leveling part at the same time.
According to the power changing method for the leveling equipment of the electric automobile, when the lifting assembly lifts the electric automobile to descend for battery pack replacement, the descending processes of the front lifting portion and the rear lifting portion can be correspondingly adjusted according to the contact sequence of the electric automobile with the front leveling portion and the rear leveling portion until the electric automobile contacts with the front leveling portion and the rear leveling portion at the same time, and then the front lifting portion and the rear lifting portion are simultaneously lowered to the battery inserting portion to be inserted with the automobile body inserting portion again, so that the matching precision of the power changing assembly and the electric automobile is guaranteed, and the battery pack replacement of the electric automobile is 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 apparatus 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 diagram of a leveling assembly and a power change 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 plug and body plug mating according to an embodiment of the invention;
fig. 6 is a flowchart of a power exchanging method of a leveling apparatus for an electric vehicle according to an embodiment of the present invention.
Reference numerals:
the front lifting part 11, the rear lifting part 12, the leveling assembly 2, the front leveling device 21, the rear leveling device 22, the leveling base 23, the guide groove 231, the height rod 24, the leveling part 25, the front leveling part 251, the rear leveling part 252, the micro switch 26, the elastic element 27, the power changing assembly 3, the electric automobile 20, the battery pack 201, the battery plug-in part 2011 and the automobile body plug-in part 202.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
A leveling apparatus for an electric vehicle according to an embodiment of the present invention is described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 4, a leveling apparatus for an electric vehicle includes: lifting assembly and levelling subassembly 2, lifting assembly includes preceding elevating system 11 and back elevating system 12, preceding elevating system 11 is used for the front end of lift electric automobile 20, back elevating system 12 is used for the rear end of lift electric automobile 20, optionally, two front wheels of electric automobile 20 stop at preceding elevating system 11, preceding elevating system 11 realizes the lift to electric automobile 20 front end through two front wheels of lift electric automobile 20, two rear wheels of electric automobile 20 stop at back elevating system 12, back elevating system 12 realizes the lift to electric automobile 20 rear end through two rear wheels of lift electric automobile 20.
Referring to fig. 1 to 4, the leveling assembly 2 includes a leveling part 25, the leveling part 25 includes a front leveling part 251 adjacent to the front lifting part 11 and a rear leveling part 252 adjacent to the rear lifting part 12, the highest point connecting line of the front leveling part 251 and the rear leveling part 252 is a leveling reference line a, and the electric automobile 20 is simultaneously contacted with the front leveling part 251 and the rear leveling part 252 or the electric automobile 20 is contacted with either the front leveling part 251 or the rear leveling part 252 in the process that the electric automobile 20 is lifted by the front lifting part 11 and the rear lifting part 12 to descend toward the leveling part 25.
When the electric vehicle 20 contacts the front leveling part 251 and the rear leveling part 252 at the same time, it is indicated 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 the leveling operation.
When the electric vehicle 20 contacts with either the front leveling part 251 or the rear leveling part 252, it is indicated 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 contacts the front leveling part 251 during the descent, it means that the front end of the electric vehicle 20 is higher than the rear end of the electric vehicle 20, and 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 contacts both the front leveling part 251 and the rear leveling part 252, thereby realizing the adjustment of the bottom of the electric vehicle 20 to be parallel to the leveling reference line a. Similarly, if the bottom of the electric vehicle 20 contacts the rear leveling portion 252 during the descent, it means that the rear end of the electric vehicle 20 is higher than the front end of the electric vehicle 20, and the rear lifting portion 12 close to the rear leveling portion 252 stops descending, and the front lifting portion 11 far from the rear leveling portion 252 continues descending until the electric vehicle 20 contacts the front leveling portion 251 and the rear leveling portion 252 at the same time, so as to adjust the bottom of the electric vehicle 20 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 portion 251 and the rear leveling portion 252 are the positions where the electric vehicle 20 is at the same height when on the horizontal ground, and the two positions where the electric vehicle 20 contacts may be the chassis of the electric vehicle 20, so as to adjust the levelness of the chassis of the electric vehicle 20. Alternatively, two locations of the electric car 20 in contact with the front leveling 251 and the rear leveling 252 are located on the sill beam of the electric car 20.
According to the leveling device for the electric automobile, when the lifting assembly lifts the electric automobile 20 to descend, the descending process 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 contacted with the front leveling part 251 and the rear leveling part 252 at the same time, so that the bottom of the electric automobile 20 is adjusted to be parallel to a leveling datum line. Meanwhile, the leveling assembly 2 is directly contacted with the electric automobile 20, so that the influence of environmental factors on the leveling assembly 2 is reduced, and the reliability of leveling equipment is improved.
Referring to fig. 1 to 5, the leveling apparatus for an electric vehicle further includes: the battery pack 201 of the electric automobile 20 is replaced by the battery replacement assembly 3, the battery replacement assembly 3 is located below the electric automobile 20, the battery pack 201 of the electric automobile 20 is replaced by the battery replacement assembly 3, the leveling assembly 2 is installed on the battery replacement assembly 3, the leveling portion 25 is located above the battery pack 201 of the electric automobile 20, when the battery pack 201 is replaced by the battery replacement assembly 3 from the bottom of the electric automobile 20, the electric automobile 20 descends above the battery replacement assembly 3 to be close to the battery replacement assembly 3, and when the battery replacement assembly 3 is close to the battery replacement assembly 3, the bottom of the electric automobile 20 is contacted with the leveling portion 25 above the battery pack 3 first, so that the bottom of the electric automobile 20 is adjusted to be parallel to the leveling reference line before the battery pack 201 is replaced by the electric automobile 20, and the matching accuracy of the battery replacement assembly 3 and the electric automobile 20 is guaranteed to be guaranteed.
Referring to fig. 1-5, the battery pack 201 is suitable for placing the battery pack 3, the battery pack 201 is provided with a battery plugging portion 2011, the electric automobile 20 is provided with a car body plugging portion 202, after the electric automobile 20 contacts with the front leveling portion 251 and the rear leveling portion 252 simultaneously, the front lifting portion 11 and the rear lifting portion 12 descend to the battery plugging portion 2011 to plug with the car body plugging portion 202 again simultaneously, so that before the battery plugging portion 2011 plugs with the car body plugging portion 202, the battery pack 201 is ensured to be parallel to the bottom of the electric automobile 20, so that the battery plugging portion 2011 and the car body plugging portion 202 are prevented from being obliquely plugged, damage of the battery plugging portion 2011 and the car body plugging portion 202 in the process of replacing the battery pack 201 is prevented, and service life of the battery plugging portion 2011 and the car body plugging portion 202 is prolonged.
In some embodiments of the present invention, after the electric vehicle 20 contacts the front leveling part 251 and the rear leveling part 252 at the same time, the front lifting part 11 and the rear lifting part 12 pause moving for a first preset time, so as to eliminate the vehicle body deflection of the electric vehicle 20 caused by different front and rear suspensions of the electric vehicle 20 in the descending process, so that the suspensions of the electric vehicle 20 are in a stable state, the electric vehicle 20 is prevented from shaking, and then the front lifting part 11 and the rear lifting part 12 descend to the battery plugging part 2011 again and plug-in connection with the vehicle body plugging part 202.
In some embodiments of the invention, the first preset time is between 0.5 seconds and 5 seconds, for example, the first preset 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 each include a leveling base 23 and a height lever 24, a guide slot 231 is provided on the leveling base 23, a micro switch 26 is provided at the bottom of the guide slot 231, a leveling part 25 is provided at the top end of the height lever 24, the height lever 24 is inserted into the guide slot 231, and an elastic element 27 is provided between the leveling base 23 and the leveling part 25, the elastic element 27 may be a spring, the spring may make the leveling part 25 not trigger the micro switch 26 when not contacting the electric automobile 20, the spring is compressed when the leveling part 25 contacts the electric automobile 20, the height lever 24 triggers the micro switch 26, and in addition, the spring may also realize automatic reset of the height lever 24. When the electric automobile 20 contacts with 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 electric automobile 20 contacting with 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 automobile 20 is realized. The leveling component 2 has the advantages of simple structure, low cost, high reliability, strong practicability, long service life and the like through the combination of the mechanical structure and the micro switch 26, can eliminate the influence of environmental factors (rain, snow and dust) on the precision of the leveling component 2, and can achieve the design service life of the leveling component 2 of 10 years or more.
In some embodiments of the present invention, when the electric vehicle 20 contacts the front leveling part 251, the height bar 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 with the front lifting part 11 to convert information of the electric vehicle 20 contacting the front leveling part 251 into an electrical signal for triggering the micro switch 26 and transmit the electrical signal to the front lifting part 11. When the electric automobile 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 electric automobile 20 contacting 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 either of the micro switches 26 of the front leveling device 21 and the rear leveling device 22 is triggered, the lifting portion close to the leveling device stops descending, and the lifting portion far from the leveling device continues descending until the electric vehicle 20 is in contact with both the front leveling portion 251 and the rear leveling portion 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 triggered simultaneously, the front lifting portion 11 and the rear lifting portion 12 are lowered to the battery plugging portion 2011 and the vehicle body plugging portion 202 at the same time again, so that before the battery plugging portion 2011 is plugged with the vehicle body plugging portion 202, the battery pack 201 is ensured to be parallel to the bottom of the electric vehicle 20, so as to prevent the battery plugging portion 2011 and the vehicle body plugging portion 202 from being obliquely plugged, thereby being beneficial to preventing the battery plugging portion 2011 and the vehicle body plugging portion 202 from being damaged in the process of replacing the battery pack 201, and further being beneficial to prolonging the service lives of the battery plugging portion 2011 and the vehicle body plugging portion 202.
In some embodiments of the present invention, the leveling reference line is a horizontal line to meet the positive mating of the battery mating portion 2011 with the body mating portion 202, while the horizontal line facilitates measurement to facilitate maintenance and calibration of the leveling assembly 2.
The power exchanging station according to an embodiment of the present invention is described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 5, the power exchanging station includes the leveling apparatus for an electric vehicle of the above-described embodiment.
According to the power exchange station of the embodiment of the invention, when the lifting assembly lifts the electric automobile 20 to descend for replacing 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 contacts with the front leveling part 251 and the rear leveling part 252 at the same time, so that the bottom of the electric automobile 20 is adjusted to be parallel to the leveling datum line, the matching precision of the power exchange assembly 3 and the electric automobile 20 is ensured, and the smooth performance of replacing the battery pack 201 of the electric automobile 20 is ensured. Meanwhile, the leveling assembly 2 is directly contacted with the electric automobile 20, so that the influence of environmental factors on the leveling assembly 2 is reduced, and the reliability of leveling equipment is improved. In addition, the leveling assembly 2 is simple in structure, low in cost and long in service life.
The power exchanging method of the leveling device of the electric vehicle according to the embodiment of the invention is described in detail below with reference to the accompanying drawings.
Referring to fig. 6, a power exchanging method of a leveling device for an electric vehicle according to an embodiment of the present invention includes:
step S1, the lifting assembly descends so that the electric automobile approaches the electricity changing assembly.
And S2, if the electric automobile is contacted with the front leveling part and the rear leveling part at the same time, the front lifting part and the rear lifting part are lowered to the state that the battery plug-in part is plugged into the automobile body plug-in part at the same time.
And S3, if the electric automobile is in contact with any one of the front leveling part and the rear leveling part, the lifting part close to the leveling part stops descending, and the lifting part far away from the leveling part continues to descend until the electric automobile is in contact with the front leveling part and the rear leveling part at the same time, and then the front lifting part and the rear lifting part descend until the battery plug-in part is plugged into the automobile body plug-in part at the same time.
According to the power changing method for the leveling equipment of the electric automobile, when the lifting assembly lifts the electric automobile to descend for battery pack replacement, the descending processes of the front lifting portion and the rear lifting portion can be correspondingly adjusted according to the contact sequence of the electric automobile with the front leveling portion and the rear leveling portion until the electric automobile contacts with the front leveling portion and the rear leveling portion at the same time, and then the front lifting portion and the rear lifting portion are simultaneously lowered to the battery inserting portion to be inserted with the automobile body inserting portion again, so that the matching precision of the power changing assembly and the electric automobile is guaranteed, and the battery pack replacement of the electric automobile is smoothly carried out.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present invention. In this specification, schematic representations of the above terms are not necessarily directed 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. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (6)
1. A leveling device for an electric vehicle, comprising:
the lifting assembly comprises a front lifting part (11) and a rear lifting part (12), wherein 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 assembly (2), wherein the leveling assembly (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), the highest point connecting line of the front leveling part (251) and the rear leveling part (252) is used as a leveling datum line, the electric automobile (20) is contacted with the front leveling part (251) and the rear leveling part (252) at the same time in the process of approaching the leveling part (25), or the electric automobile (20) is contacted with any one of the front leveling part (251) or the rear leveling part (252), wherein when the electric automobile (20) is contacted with any one of the front leveling part (251) or the rear leveling part (252), the lifting part close to the part stops descending, and the lifting part far from the leveling part continues descending until the electric automobile (20) is contacted with the front leveling part (251) and the rear leveling part (252) at the same time;
further comprises: the power conversion assembly (3), the power conversion assembly (3) is positioned below the electric automobile (20), the power conversion assembly (3) is used for replacing a battery pack (201) of the electric automobile (20), the leveling assembly (2) is installed on the power conversion assembly (3), and the leveling part (25) is positioned above the power conversion assembly (3);
the battery pack (201) is suitable for being placed by the battery replacement assembly (3), a battery plug-in part (2011) is arranged on the battery pack (201), the electric automobile (20) is provided with a vehicle body plug-in part (202), and after the electric automobile (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) are simultaneously lowered again to the battery plug-in part (2011) to be plugged in with the vehicle body plug-in part (202);
the leveling assembly (2) comprises a front leveling device (21) and a rear leveling device (22), the front leveling device (21) and the rear leveling device (22) comprise a leveling base (23) and a height rod (24), a guide groove (231) is formed in the leveling base (23), a micro switch (26) is arranged at the bottom of the guide groove (231), the leveling part (25) is arranged at the top end of the height rod (24), the height rod (24) penetrates through the guide groove (231), 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 is lowered to trigger the micro switch (26), and the micro switch (26) is electrically connected with a corresponding lifting part;
when any one of the micro switches (26) of the front leveling device (21) and the rear leveling device (22) is triggered, the lifting part close to the leveling device stops descending, and the lifting part far away from the leveling device continues descending until the electric automobile (20) is contacted with the front leveling part (251) and the rear leveling part (252) at the same time.
2. The leveling apparatus for an electric automobile according to claim 1, wherein after the electric automobile (20) is brought into contact with the front leveling part (251) and the rear leveling part (252) at the same time, the front elevating part (11) and the rear elevating part (12) are suspended to move for a first preset time, and then the front elevating part (11) and the rear elevating part (12) are lowered again at the same time to the battery plugging part (2011) to be plugged with the body plugging part (202).
3. The leveling device for an electric automobile according to claim 1, wherein when the micro switches (26) of the front leveling device (21) and the rear leveling device (22) are simultaneously triggered, the front elevating portion (11) and the rear elevating portion (12) are simultaneously lowered again to the battery plugging portion (2011) to be plugged with the vehicle body plugging portion (202).
4. The leveling apparatus for an electric automobile according to claim 1, wherein the leveling reference line is a horizontal line.
5. A power exchange station, comprising: the leveling apparatus for an electric vehicle according to any one of claims 1 to 4.
6. A power changing method of the leveling apparatus for an electric vehicle according to any one of claims 1 to 3, characterized by comprising:
the lifting assembly descends so that the electric automobile approaches the power conversion assembly;
if the electric automobile is contacted with the front leveling part and the rear leveling part at the same time, the front lifting part and the rear lifting part are simultaneously lowered to the state that the battery plug-in part is plugged with the automobile body plug-in part;
if the electric automobile is in contact with any one of the front leveling part and the rear leveling part, the lifting part close to the leveling part stops descending, and the lifting part far away from the leveling part continues to descend until the front lifting part and the rear lifting part descend again until the battery plug-in part is plugged into the vehicle body plug-in part after the electric automobile is in contact with the front leveling part and the rear leveling part at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110594534.1A CN113401838B (en) | 2021-05-28 | 2021-05-28 | Leveling device for electric vehicle, power exchanging method thereof and power exchanging station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110594534.1A CN113401838B (en) | 2021-05-28 | 2021-05-28 | Leveling device for electric vehicle, power exchanging method thereof and power exchanging station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113401838A CN113401838A (en) | 2021-09-17 |
| CN113401838B true CN113401838B (en) | 2023-05-30 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7744099B2 (en) * | 2004-11-04 | 2010-06-29 | Driveright Holdings, Ltd. | Method and system for adjusting a vehicle aligned with an artificial horizon |
| JP5429107B2 (en) * | 2010-08-18 | 2014-02-26 | 株式会社豊田自動織機 | Battery replacement device for electric vehicles |
| CN106926825B (en) * | 2016-11-17 | 2019-10-15 | 蔚来汽车有限公司 | Floating alignment device and method for battery replacement device |
| CN106627514A (en) * | 2016-12-29 | 2017-05-10 | 西安航天精密机电研究所 | Chassis type battery replacing robot and battery replacing method |
| CN109501756A (en) * | 2017-09-12 | 2019-03-22 | 上海蔚来汽车有限公司 | Electric car moves electric system certainly |
| CN108928327B (en) * | 2018-07-06 | 2020-08-25 | 蔚来(安徽)控股有限公司 | Lifting control method and device, battery replacement station, controller and medium |
| CN208630581U (en) * | 2018-08-03 | 2019-03-22 | 蔚来汽车有限公司 | Bottom plate levelling mechanism, track and change electric installation |
| CN111907367A (en) * | 2019-05-07 | 2020-11-10 | 浙江吉智新能源汽车科技有限公司 | Battery replacing platform and battery replacing system |
| CN111231741A (en) * | 2020-01-23 | 2020-06-05 | 奥动新能源汽车科技有限公司 | Battery replacing system and battery replacing station comprising same |
| CN111873849B (en) * | 2020-07-17 | 2023-01-06 | 蓝谷智慧(北京)能源科技有限公司 | Battery replacement method for electric automobile |
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