CN111332262B - Coupling device for power battery of electric automobile and electric automobile - Google Patents
Coupling device for power battery of electric automobile and electric automobile Download PDFInfo
- Publication number
- CN111332262B CN111332262B CN201811455389.3A CN201811455389A CN111332262B CN 111332262 B CN111332262 B CN 111332262B CN 201811455389 A CN201811455389 A CN 201811455389A CN 111332262 B CN111332262 B CN 111332262B
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- slider
- coupling device
- coupling
- vehicle
- battery
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- 230000008878 coupling Effects 0.000 title claims abstract description 112
- 238000010168 coupling process Methods 0.000 title claims abstract description 112
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 112
- 230000013011 mating Effects 0.000 claims abstract description 16
- 239000000110 cooling liquid Substances 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/06—Supplying batteries to, or removing batteries from, vehicles
-
- 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
-
- 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 provides a coupling device for a power battery of an electric automobile and the electric automobile. The coupling device includes: a coupling device body; a chute in the coupling device body; and a slider in the chute, the slider being movable in a horizontal direction between a first position in which the slider cooperates with and is electrically coupled to a mating coupling end, and a second position in which the slider is separated from the mating coupling end. According to the coupling device and the electric automobile, the front end and the rear end can be electrically coupled in a double quick-change mode on the basis that the space is not increased in the height direction.
Description
Technical Field
The present invention relates to the field of electric vehicles, and more particularly, to an electric vehicle having a quick coupling device.
Background
For the current electric vehicle, the endurance mileage is a problem to be solved continuously, and the quick replacement of the battery and the timely energy replenishment are one of solutions. In the design of quick battery replacement, there are generally two types of replacement, namely vertical replacement up and down and horizontal replacement back and forth. The front and back horizontal replacement can not support the joint with the power conversion at the rear part of the battery. Vertical replacement generally requires that there be sufficient space in the vertical direction to place the battery end connector and the body end connector. In some cases, the rear of the vehicle is subject to floor requirements and does not provide sufficient space for the electrical contacts.
Disclosure of Invention
The present invention aims to solve or at least alleviate the problems of the prior art.
In one aspect, there is provided a coupling device for a power battery of an electric vehicle, including:
a coupling device body;
a chute in the coupling device body; and
and the sliding piece in the sliding groove can move between a first position and a second position along the horizontal direction, the sliding piece is matched with and electrically connected with the matching connection end when in the first position, and the sliding piece is separated from the matching connection end when in the second position.
Optionally, in the coupling device, a resilient member is provided on the back side of the slider to tend to urge the slider towards the first position.
Optionally, in the coupling device, the slider front side has terminals and the slider back side has wires and/or pipes.
Optionally, in the coupling means, the coupling means comprises electromagnetic actuation means to cause the slider to move from the first position to the second position.
Optionally, in the coupling device, a guide groove is provided in a bottom wall of the chute of the coupling device body, and the slider bottom has a slider fitted into the guide groove.
Optionally, in the coupling device, the slider bottom has an interface to receive an external force to cause the slider to move from the first position to the second position.
Optionally, in the coupling device, the coupling device includes a sensor that detects whether the slider is completed with the mating coupling end.
Optionally, in the coupling device, a limiting piece is further included in the chute of the coupling device body.
In another aspect, there is provided an electric vehicle including:
the power battery is positioned in a battery compartment at the bottom of the vehicle; and
first and second coupling means for electrically coupling both ends of the power battery to a vehicle, the first and second coupling means employing the coupling means according to the respective embodiments of the present invention.
Optionally, in the electric vehicle, the first coupling device and the second coupling device are located at front and rear ends of the vehicle or at front and rear ends of the power battery.
According to the coupling device and the electric automobile, the front end and the rear end can be electrically coupled in a double quick-change mode on the basis that the space is not increased in the height direction.
Drawings
The present disclosure will become more readily understood with reference to the accompanying drawings. As will be readily appreciated by those skilled in the art: the drawings are for illustrative purposes only and are not intended to limit the scope of the present invention. Moreover, like numerals in the figures are used to designate like parts, wherein:
fig. 1 shows a schematic diagram of an electric vehicle at a power change according to an embodiment of the invention;
fig. 2 shows a front side perspective view of a coupling device according to an embodiment of the invention when mated;
FIG. 3 illustrates a cross-sectional view of a coupling device according to an embodiment of the present invention when mated;
FIG. 4 illustrates a backside perspective view of a coupling device according to an embodiment of the present invention when mated;
fig. 5 shows a perspective view of the coupling device according to an embodiment of the invention when separated;
FIG. 6 illustrates a cross-sectional view of a coupling device in accordance with an embodiment of the present invention when separated;
FIG. 7 illustrates a perspective view of a coupling device according to an embodiment of the present invention; and
fig. 8 to 10 are schematic views showing a process of replacing a power battery for an electric vehicle according to an embodiment of the present invention.
Detailed Description
It is to be understood that, according to the technical solution of the present invention, those skilled in the art may propose various alternative structural modes and implementation modes without changing the true spirit of the present invention. Accordingly, the following detailed description and drawings are merely illustrative of the invention and are not intended to be exhaustive or to limit the invention to the precise form disclosed.
Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible to be mentioned in the present specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed according to different positions and different use states thereof. These and other directional terms should not be construed as limiting terms.
A coupling device for a power battery of an electric vehicle according to the present invention will be described with reference to fig. 1 to 7. According to the connecting device of the power battery, the horizontal direction plug of the front end and the rear end of the power battery is realized, the vertical position space in the vehicle is saved, the front end and the rear end of the power battery are realized on the basis that the space is not increased in the height direction, the battery is easy to replace, and the problem that the vertical space of the power conversion connector is limited is solved. The invention is realized mainly by means of a coupling device 61 for a battery, comprising: a coupling body 610; a chute 611 in the coupling body 610; and a slider 71 in the chute 611, the slider 71 being movable in a horizontal direction between a first position shown in fig. 2 to 4, in which the slider 71 is engaged with and electrically coupled to the mating coupling end 81, and a second position shown in fig. 5 and 6, in which the slider 71 is disengaged from the mating coupling end 81.
In some embodiments, as best shown in fig. 3 and 7, the back side of the slider 71 may be provided with a resilient member 613 to tend to urge the slider 71 towards the first position. In some embodiments, as shown, the resilient member 613 may be comprised of multiple sets of coil springs. In some embodiments, the slider 71 includes a body 711 having a terminal 712 on a front side of the body 711, and the body 711 of the slider 71 has leads and/or tubing 614 on a back side of the body 71, the leads on the back side of the slider 71 being electrically coupleable with the terminals 712 on the front side thereof for drawing power from the power battery 8, and the tubing being for providing cooling liquid to the power battery 8 for cooling the power battery 8.
In some embodiments, the coupling device 61 may comprise electromagnetic actuation means to cause the slider 71 to move from said first position to said second position, in particular the coupling device body 610 may be provided with a coil around the slider 71, while the slider 71 may be provided with a permanent magnet, which when the coil in the coupling device body 610 is energized will attract the slider 71 to move from the first position shown in fig. 3 to the second position shown in fig. 5 against the resistance of the resilient member 613.
In some embodiments, the coupling device 61 may cause the slider 71 to move by means of an external force, in particular, a guide groove 612 may be provided in a bottom wall of the chute 611 of the coupling device body 610, and a bottom of the body 711 of the slider 71 may have a slider 713 fitted into the guide groove. The movement of the slider 713 in the guide groove 612 may function on the one hand to guide the movement of the slider 71 between the first position and the second position. On the other hand, in some embodiments, the bottom of the slider 713 has an interface 714, such as a square slot or other suitable type of interface, to receive an external force to cause the slider 71 to move from the first position to the second position.
In some embodiments, coupling device 61 includes a sensor that detects whether slider 71 is mated with mating coupling end 81, such as a proximity sensor or a pressure sensor may be disposed between slider 71 and mating coupling end 81 to test whether the two are connected in place, or a current sensor may be employed to sense a test current or the like to test whether slider 71 is electrically coupled with mating coupling end 81. A stopper, such as a stopper from the front end of the chute 611 of the coupling body, may be further included in the chute 611 of the coupling body to prevent the sliding member 71 from sliding out of the chute.
It should be appreciated that although in the specific embodiment of the present invention the coupling means 61 are mounted at the bottom of both the front and rear ends of the vehicle, in alternative embodiments the coupling means may be provided at the bottom of both the front and rear ends of the power cell 8, or alternatively one of the coupling means may be provided at the bottom of the vehicle and the other coupling means may be provided at the bottom of the power cell.
It should be appreciated that although in particular embodiments of the present invention the slides of the coupling device are each moved horizontally in the X-direction (i.e., fore-aft direction) of the vehicle, in alternative embodiments the slides of the coupling device may be moved between the first and second positions in other horizontal directions.
On the other hand, the present invention also provides an electric automobile 1, comprising: the power battery 8 is positioned in a battery compartment at the bottom of the vehicle; and first and second coupling means 71,72 for electrically coupling both ends 81,82 of the power battery to the vehicle, the first and second coupling means 71,72 employing coupling means according to various embodiments of the present invention.
Next, a power exchanging station and a power exchanging method according to an embodiment of the present invention will be described in detail with reference to fig. 1 and fig. 8 to 10. The power exchange station includes: an operation platform 2; lifting mechanisms 31,32 on the operation platform 2, the lifting mechanisms 31,32 being capable of raising or lowering a vehicle; a battery loading platform 51, the battery loading platform 51 being capable of moving to the vehicle bottom to detach or mount the power battery 8 at the vehicle bottom when the vehicle is lifted; and a battery unlocking mechanism capable of acting on the sliders 71,72 of the first coupling device 61 and the second coupling device 62 at the vehicle bottom or the power battery bottom such that the sliders 71.72 are moved in the horizontal direction from a first position as shown in fig. 1 to a second position as shown in fig. 9, the sliders 71,72 being engaged with and electrically coupled to the mating coupling ends 81,82 when in the first position, and the sliders 71,72 being disengaged from the mating coupling ends 81,82 when in the second position to release the power battery 8. As for the lifting mechanisms 31,32, they may be any type of lifting mechanism, such as a scissor fork lifting mechanism, which has a compact structure and a large lifting height. As for the battery loading platform 51, it may also be provided with a lifting mechanism 52 to facilitate lifting thereof, alternatively the battery loading platform 51 may be moved by translation to the bottom of the vehicle 1 for battery operation. As is known, the battery dock 51 can mount or dismount the power battery 8 by tightening or loosening bolts that connect the power battery to the vehicle. It should be appreciated that in the illustrated embodiment, the first and second coupling devices 61, 62 are located at the bottom of the vehicle 1, while the mating coupling ends 81,82 are located at both ends of the power battery 8, and in alternative embodiments, the first and second coupling devices 61, 62 may be located at the bottom of the power battery 8 and the mating coupling ends 81,82 may be located at both ends of the battery compartment of the vehicle 1.
In some embodiments, the battery unlocking mechanism includes first and second operating arms 41,42, the first and second operating arms 41,42 are for engagement with the slides 71,72 of the first and second coupling devices 61, 62, and the first and second operating arms 41,42 are capable of performing a horizontal displacement to move the slides 71,72 of the first and second coupling devices 61, 62 from the first position to the second position, thereby releasing the power battery 8. In some embodiments, the first and second operating arms 41,42 are liftable to fit into the interfaces of the bottoms of the slides 71,72 of the first and second coupling devices 61, 62 from the bottoms of the slides 71,72 of the first and second coupling devices 61, 62. As shown, the first and second operating arms 41 and 42 extend from the operating platform 2. In alternative embodiments, the first and second operating arms 41,42 may also extend from the respective lifting mechanisms 31, 32. In some embodiments, the lift mechanism includes a first lift arm 31 positioned on the front side of the battery dock 51 and a second lift arm 32 positioned on the rear side of the battery dock 51, the first operating arm 41 positioned between the first lift arm 31 and the battery dock 51, and the second operating arm 42 positioned between the second lift arm 32 and the battery dock 51. In some embodiments, the first operating arm 41 may extend from the first lift mechanism 31 and the second operating arm 42 may extend from the second lift mechanism 32.
In another aspect, a power conversion method is provided, including: as shown in fig. 8, s1, the vehicle 1 is raised by the first lift arm 31 and the second lift arm 32; as shown in fig. 9, s2, the battery unlocking mechanism is operated such that the first and second coupling devices 61, 62 of the vehicle bottom or the power battery bottom are moved in the horizontal direction from the first position to the second position where the first and second coupling devices 71,72 are separated from the mating coupling ends 81,82 to release the power battery 8; and the battery dock 51 is moved to the operational position to remove and receive the power battery 8. It will be appreciated that the power battery 8 is bolted to the bottom of the vehicle 1, and the battery dock 51 is provided with a bolt unlocking mechanism to unlock the bolts, to separate the power battery 8 from the vehicle. It should be appreciated that the operation of the battery unlocking mechanism in step S2 and the operation of disassembling the battery in step S3 described above may be performed simultaneously or in any order. It should be understood that the method of the present invention is not limited to the order in which the steps are performed, and that the steps may be performed in any order that is logical as will be appreciated by one skilled in the art.
Further, the method further comprises: as shown in fig. 10, s4, operating the battery loading platform 51 to replace and reinstall the new power battery; s5, operating the battery unlocking mechanisms 41,42 so that the sliding members 71,72 of the first coupling device 61 and the second coupling device 62 at the bottom of the vehicle or the bottom of the power battery move in the horizontal direction from the second position to the first position, and in the first position, the sliding members 71,72 of the first coupling device 61 and the second coupling device 62 are respectively engaged with and electrically coupled to the mating coupling ends 81, 82; and lowering the vehicle. The vehicle can normally drive away from the battery exchange station after the battery exchange is completed. It should be appreciated that in steps S4 and S5 described above, the battery dock 51 reinstallation of the new power battery, such as tightening the bolts, may be performed simultaneously with the operation of the battery unlocking mechanisms 41,42, or in any order. It should be understood that the method of the present invention is not limited to the order in which the steps are performed, and that the steps may be performed in any order that is logical as will be appreciated by one skilled in the art.
In some embodiments, the battery unlocking mechanism includes a first operating arm 41 and a second operating arm 42, the method further comprising: the first and second operating arms 41,42 are lifted to fit into the interfaces of the bottoms of the sliders 71,72 of the first and second coupling devices 61, 62 from the bottoms of the sliders 71,72 of the first and second coupling devices 61, 62, thereby engaging with the sliders 71,72 of the first and second coupling devices 61, 62. In some embodiments, the method further comprises: the first and second operating arms 41,42 are caused to perform a horizontal displacement to move the slides 71,72 of the first and second coupling means 61, 62 from the first position to the second position. In some embodiments, the method further includes sensing with a sensor whether the slides 71,72 of the first and second coupling devices 61, 62 are mated in place with the mating coupling ends 81,82 and electrically coupled. The sensor may comprise a proximity sensor, a pressure sensor or a current sensor, etc.
According to the power exchange station and the power exchange method, the convenient power battery replacement can be provided for the electric automobile with the horizontal double-quick-charging connector.
The specific embodiments described above are merely illustrative of the principles of the present invention in order to more clearly illustrate the invention, the various components of which are shown or described clearly to make the principles of the invention easier to understand. Various modifications or alterations of this invention may be readily made by those skilled in the art without departing from the scope of this invention. It is to be understood that such modifications and variations are intended to be included within the scope of the present invention.
Claims (9)
1. A coupling device for electrically coupling a power battery of an electric vehicle to a vehicle, comprising:
a coupling device body;
a chute in the coupling device body; and
and a slider in the sliding groove, wherein the front side of the slider is provided with a terminal, the back side of the slider is provided with a wire and/or a pipeline, the wire on the back side of the slider is electrically connected with the terminal on the front side of the slider, the pipeline on the back side of the slider is used for supplying cooling liquid to the power battery, the slider can move between a first position and a second position along the horizontal direction, the slider is matched with and electrically connected with a matching connection end when in the first position, and the slider is separated from the matching connection end when in the second position.
2. The coupling device of a power cell as defined in claim 1, wherein the slider back side is provided with a resilient member to tend to urge the slider toward the first position.
3. A coupling device for a power cell according to claim 1 or 2, characterized in that the coupling device comprises electromagnetic actuating means to cause the slider to move from the first position to the second position.
4. The coupling device of a power cell according to claim 1 or 2, wherein the coupling device body has a guide groove in a bottom wall of a chute, and the slider bottom has a slider fitted into the guide groove.
5. The coupling device of a power cell of claim 4, wherein the slider bottom has an interface to receive an external force to cause the slider to move from the first position to the second position.
6. A coupling device for a power cell according to claim 1 or 2, characterized in that the coupling device comprises a sensor for detecting whether the slide has been completed in cooperation with a mating coupling end.
7. The coupling device of a power cell according to claim 1 or 2, wherein the slide groove of the coupling device body further comprises a stopper.
8. An electric automobile, characterized by comprising:
the power battery is positioned in a battery compartment at the bottom of the vehicle; and
first and second coupling means for electrically coupling both ends of the power battery to a vehicle, the first and second coupling means employing the coupling means as set forth in any one of claims 1 to 7.
9. The electric vehicle of claim 8, characterized in that the first coupling device and the second coupling device are located at the vehicle bottom or at the bottom of the power battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811455389.3A CN111332262B (en) | 2018-11-30 | 2018-11-30 | Coupling device for power battery of electric automobile and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811455389.3A CN111332262B (en) | 2018-11-30 | 2018-11-30 | Coupling device for power battery of electric automobile and electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111332262A CN111332262A (en) | 2020-06-26 |
| CN111332262B true CN111332262B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811455389.3A Active CN111332262B (en) | 2018-11-30 | 2018-11-30 | Coupling device for power battery of electric automobile and electric automobile |
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| CN (1) | CN111332262B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140862B (en) * | 2021-04-16 | 2022-07-22 | 湖南大学 | Battery pack fastening device, mounting system and partial battery replacement method |
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| CN209454715U (en) * | 2018-11-30 | 2019-10-01 | 蔚来汽车有限公司 | The coupling arrangement and electric car of power battery for electric car |
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2018
- 2018-11-30 CN CN201811455389.3A patent/CN111332262B/en active Active
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| JP2010125867A (en) * | 2008-11-25 | 2010-06-10 | Nissan Motor Co Ltd | Battery fixing structure of electric powered vehicle |
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| Publication number | Publication date |
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| CN111332262A (en) | 2020-06-26 |
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