CN209972155U - Replacement device of electric automobile battery pack and electric automobile - Google Patents

Abstract

The utility model relates to an electric automobile field discloses a change device and an electric automobile of electric automobile battery package, wherein, it includes to change the device: a first rotating arm mountable on a white body; the automatic induction lock is used for locking or unlocking the first rotating arm when the first rotating arm rotates to a set position; the battery pack mounting plate is used for mounting a battery pack; the driving component is fixed on the battery pack mounting plate and used for driving the first rotating arm to rotate to the set position when the battery pack mounting plate ascends under the action of external force; and a second rotating arm that is provided on the driving member and that is capable of engaging with the first rotating arm when the first rotating arm is locked so as to hold the battery pack mounting plate at a predetermined mounting position. The utility model provides a technical scheme can simply realize the change of electric automobile battery package fast.

Description

Replacement device of electric automobile battery pack and electric automobile

Technical Field

The utility model relates to an electric automobile field specifically relates to a change device of electric automobile battery package, and is further, the utility model discloses still relate to an electric automobile.

Background

Compared with the traditional fuel oil automobile, the new energy electric automobile has better economy and environmental protection, and along with the development demand of the society, the new energy electric automobile will become the inevitable trend of modern and future automobile development.

The existing electric automobile generally adopts a charging mode to supplement electric energy, in order to achieve enough endurance mileage, the capacity of a battery needs to be made large enough, and the charging time is generally long.

In order to meet the use requirement of the battery as soon as possible, an operation mode of quickly replacing the battery needs to be adopted in the new energy electric vehicle, and how to realize the quick replacement of the battery of the electric vehicle is a technical problem which needs to be solved urgently in the research and development field of the electric vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above-mentioned problem that exists among the prior art, provide a simple quick replacement of battery package in order to realize electric automobile of new technical scheme.

In order to achieve the above object, the utility model discloses a first aspect provides a change device of electric automobile battery package, it includes to change the device:

a first rotating arm mountable on a white body;

the automatic induction lock is used for locking or unlocking the first rotating arm when the first rotating arm rotates to a set position;

the battery pack mounting plate is used for mounting a battery pack;

the driving component is fixed on the battery pack mounting plate and used for driving the first rotating arm to rotate to the set position when the battery pack mounting plate ascends under the action of external force;

and a second rotating arm that is provided on the driving member and that is capable of engaging with the first rotating arm when the first rotating arm is locked so as to hold the battery pack mounting plate at a predetermined mounting position.

Preferably, the replacing device further comprises: and the first rotating arm connecting device is hinged on the first rotating arm connecting device and can be arranged on the white vehicle body through the first rotating arm connecting device.

Preferably, the first rotating arm connecting device is a columnar structure with an arc-shaped cross section, the first rotating arm is hinged to one side of the end part of the columnar structure, and the end part of one end, far away from the first rotating arm, of the columnar structure is conical.

Preferably, the first rotating arm is a curved rotating arm that curves toward the inside of the first rotating arm connecting device.

Preferably, the driving part is a columnar structure with an arc-shaped cross section, the second rotating arm is hinged to one side of an end part of the columnar structure, and the other side of the end part of the columnar structure can drive the first rotating arm to rotate to the set position when the battery pack mounting plate rises under the action of external force; the end part of one end of the columnar structure, which is far away from the second rotating arm, is conical.

Preferably, the second rotating arm is a curved rotating arm that curves toward the inside of the driving member.

Preferably, the second rotating arm is configured to enter the first rotating arm connecting device when the battery pack mounting plate is lifted by an external force, and is rotated by being pushed by the first rotating arm connecting device.

Preferably, the first rotating arm is provided with a locking hole, and the automatic sensing lock comprises a sensing part, a driving motor and a locking pin driven by the driving motor; the aperture of locking hole is greater than the cross section diameter of locking pin, first rotatory arm can trigger when rotatory extremely setting for the position response part, so that response part control the driving motor drive the locking pin wear to establish to in the locking hole with the locking first rotatory arm or withdraw from outside the locking hole in order to unblock first rotatory arm.

Preferably, the sensing part comprises a pressure sensor and a controller, the controller is respectively in signal connection with the pressure sensor and the driving motor, pressure can be applied to the pressure sensor when the first rotating arm rotates to a set position, and the controller can control the driving motor to drive the locking pin to move when the pressure sensor is applied with pressure.

Preferably, after the first rotating arm is locked, when the battery pack mounting plate is not subjected to external force, the first rotating arm rotates reversely to deviate from the set position;

after the first rotating arm is unlocked, when the battery pack mounting plate moves downwards, the first rotating arm rotates reversely to be buckled with the second rotating arm.

Based on the utility model discloses the change device of electric automobile battery package that the first aspect provided, the utility model discloses the second aspect provides an electric automobile, and this electric automobile includes according to the utility model discloses the first aspect electric automobile battery package change device.

The utility model provides a technical scheme has following beneficial effect:

the replacing device for the battery pack of the electric automobile comprises a first rotating arm, an automatic induction lock, a battery pack mounting plate, a driving part and a second rotating arm, wherein when the battery pack needs to be mounted, the battery pack is mounted on the battery pack mounting plate, the first rotating arm is mounted on a white automobile body of the electric automobile, a force enabling the battery pack mounting plate to move upwards is applied to the battery pack mounting plate, the driving part rises along with the rising of the battery pack mounting plate, the driving part drives the first rotating arm to rotate in the rising process, when the first rotating arm rotates to a set position, the automatic induction lock locks the first rotating arm, the first rotating arm is buckled with the second rotating arm, and the battery pack mounting plate can be kept at a preset mounting position; when the battery package is dismantled to needs, exert the power that makes its rise to the battery package mounting panel, work as the rising extremely during the settlement position, the first rotatory arm of auto-induction lock unblock, battery package mounting panel can move down under self action of gravity, realizes the dismantlement of battery package mounting panel. The battery pack can be replaced only by applying upward moving force to the battery pack mounting plate, so that the battery pack can be simply and quickly replaced.

Drawings

Fig. 1 is a schematic structural view of a first rotating arm, a first rotating arm connecting device and an automatic induction lock of a replacing device provided by an embodiment of the invention, which are assembled on a body-in-white;

fig. 2 is a schematic view of a combination structure of the driving component, the battery pack mounting plate and the second rotating arm according to an embodiment of the present invention.

Description of the reference numerals

1-a first rotating arm; 2-locking holes; 3-a first rotating arm connection; 4-the hinge point of the first rotating arm; 5-driving a motor; 6-a pressure sensor; 7-a body-in-white body mounting plate; 8-battery pack mounting plate; 9-the hinge point of the second rotating arm; 10-a second rotating arm; 11-drive means.

Detailed Description

In the embodiments of the present invention, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right with reference to the accompanying drawings, unless otherwise specified. "inner and outer" refer to the inner and outer contours of the component itself.

Referring to fig. 1 and fig. 2, a first aspect of the present invention provides a device for replacing a battery pack of an electric vehicle, for implementing quick replacement of the battery pack in the electric vehicle. Specifically, the replacement device includes:

a first swivel arm 1, which first swivel arm 1 can be mounted on the body-in-white, for example, the first swivel arm 1 can be a metal arm, which can be fixed on the body-in-white mounting plate 7 of the vehicle by welding;

the automatic induction lock is used for locking or unlocking the first rotating arm 1 when the first rotating arm 1 rotates to a set position; specifically, when the battery pack is disassembled, the automatic induction lock unlocks the first rotating arm 1 when the first rotating arm 1 rotates to a set position, and when the battery pack is installed, the automatic induction lock locks the first rotating arm 1 when the first rotating arm 1 rotates to the set position;

the battery pack mounting plate 8 is used for mounting a battery pack, and the battery pack can be mounted on the battery pack mounting plate 8 when needing to be replaced;

a driving member 11, fixed to the battery pack mounting plate 8, for driving the first rotating arm 1 to rotate to the set position when the battery pack mounting plate 8 is lifted by an external force; and a second rotating arm 10 provided on the driving member 11, the second rotating arm 10 being capable of engaging with the first rotating arm 1 so as to hold the battery pack mounting plate 8 at a predetermined mounting position when the first rotating arm 1 is rotated to the set position and locked.

After the first rotating arm 1 is locked, when the battery pack mounting plate 8 is not acted by external force, the first rotating arm 1 rotates reversely to deviate from the set position; wherein, battery package mounting panel 8 does not receive the exogenic action and indicates: the battery pack mounting plate 8 is not subjected to other forces applied from the outside, except for its own weight and the pulling force applied by the first rotating arm 1.

Before installing a battery pack, a first rotating arm 1 and an automatic induction lock are installed on a white vehicle body, and the battery pack is installed on a battery pack installation plate 8; then the battery pack mounting plate 8 is lifted upwards, the driving part 11 rises upwards along with the upward movement of the battery pack mounting plate 8, in the rising process, the driving part 11 contacts the first rotating arm 1 and pushes the first rotating arm 1 to rotate around a rotating shaft of the first rotating arm 1, when the first rotating arm 1 rotates to a set position, the first rotating arm 1 triggers the automatic induction lock to lock the first rotating arm 1, and meanwhile, the first rotating arm 1 is buckled with the second rotating arm 10; when the battery pack mounting plate 8 is loosened, the battery pack mounting plate 8 slightly moves downwards under the action of the self gravity, the first rotating arm 1 rotates, for example, clockwise to be no longer located at the set position, and the battery pack mounting plate 8 is kept at the preset mounting position under the action of the self gravity. At this time, the downward self-gravity of the battery pack mounting plate 8 is equal to the upward pulling force applied to the battery pack mounting plate 8 by the first rotating arm 1, and the battery pack mounting plate 8 is in a state of stress balance.

When dismantling the battery package, upwards lift battery package mounting panel 8 for first rotatory arm 1 is rotatory extremely once more set for the position, the auto-induction lock is sensing first rotatory arm 1 and is rotatory when setting for the position, the first rotatory arm 1 of unblock, then battery package mounting panel 8 will be at self action of gravity downstream, and the lock relation is relieved to first rotatory arm 1 and second rotatory arm 10, and battery package mounting panel 8 can break away from the white automobile body of car.

The installation position of the first rotating arm 1 on the body-in-white is limited due to the structure of the body-in-white of the automobile, so that the first rotating arm connecting device 3 for easily installing the first rotating arm 1 can be arranged according to the structure of the sound of the body-in-white in order to facilitate the installation of the first rotating arm 1 on the body-in-white, and the first rotating arm 1 is indirectly installed on the body-in-white of the automobile through the first rotating arm connecting device 3. In particular, the first swivel arm connection 3 can be welded, for example, to a white body, the first swivel arm 1 being articulated on the first swivel arm connection 3.

Referring to fig. 1, the first rotating arm 1 may have various specific structures, and in one specific embodiment, the first rotating arm connecting device 3 is a cylindrical structure with an arc-shaped cross section, the first rotating arm 1 is hinged on one side of an end portion of the cylindrical structure, and an end portion of the cylindrical structure far away from the first rotating arm 1 is tapered. That is, the lower portion of the first rotating arm connecting device 3 is a part in the circumferential direction of the cylindrical structure, the upper portion of the first rotating arm connecting device 3 is a part in the circumferential direction of the tapered structure, and the upper portion and the lower portion are coaxially arranged and integrally formed. The first rotating arm 1 is hinged at the lower end side of the first rotating arm connecting device 3, and the first rotating arm connecting device 3 does not obstruct the rotation of the first rotating arm 1.

With continued reference to fig. 1, the specific structure of the first rotating arm 1 can be varied, and in one embodiment, the first rotating arm 1 is a curved rotating arm that curves toward the inner side of the first rotating arm connecting device 3, and the inflection point of the curved rotating arm is the hinge point 4. When the battery pack mounting plate 8 moves upwards, the driving part 11 contacts the lower end of the first rotating arm 1 and drives the first rotating arm 1 to rotate anticlockwise around the hinge point 4 of the first rotating arm 1, and when the first rotating arm 1 rotates to a set position, the automatic induction lock locks the first rotating arm 1 to prevent the first rotating arm 1 from rotating continuously.

In one embodiment, the auto-induction lock includes an induction part, a driving motor 5, and a locking pin driven by the driving motor 5; correspondingly, a locking hole 2 is formed in the first rotating arm 1, and when the first rotating arm 1 rotates to a set position, the sensing part can be triggered, so that the sensing part controls the driving motor 5 to drive the locking pin to penetrate through the locking hole 2 or withdraw from the locking hole 2. Specifically, the sensing component is mainly used for detecting the position of the first rotating arm 1, when the first rotating arm 1 rotates to a set position, the sensing component can detect the first rotating arm 1, and then send a corresponding trigger signal to the driving motor 5, the driving motor 5 drives the locking pin to move, in order to realize the driving of the driving motor 5 on the locking pin, a transmission mechanism is usually required to be arranged between an output shaft of the driving motor 5 and the locking pin, the transmission mechanism can be, for example, a gear and a rack, the gear is coaxially fixed with the output shaft of the driving motor 5, an external tooth structure of the gear is meshed with the rack, the locking pin is fixedly connected with the rack, and the rotation motion of the driving motor 5 is converted into the linear motion of the locking pin through the transmission mechanism. The drive motor 5 may be, for example, a stepping motor.

The aperture of locking hole 2 sets up to be greater than the cross section diameter of locking pin, so, when the locking pin worn to establish in locking hole 2, first rotatory arm 1 also with the rotatory arm 10 lock of second, at this moment, no longer to apply external force to battery package mounting panel 8, battery package mounting panel 8 will move down slightly under self action of gravity, first rotatory arm 1 will clockwise rotation certain angle, thereby skew the settlement position, at this moment, the response part will not detect first rotatory arm 1 again to battery package mounting panel 8 will keep at predetermined mounted position under self action of gravity.

When the battery package is dismantled to needs, exert ascending power to battery package mounting panel 8, make battery package mounting panel 8 shift up slightly, the first rotatory arm 1 anticlockwise rotation of drive part 11 redriven extremely set for the position, first rotatory arm 1 is sensed once more to the response part, and send corresponding triggering signal and give driving motor 5, control driving motor 5 antiport, make the fitting pin withdraw from outside locking hole 2, the unblock of first rotatory arm 1, reduce the ascending lifting force that applies battery package mounting panel 8, battery package mounting panel 8 moves down under self action of gravity, the lock is released to first rotatory arm 1 and second rotatory arm 10, can dismantle battery package mounting panel 8 from the white automobile body of car, and then realize the dismantlement of battery package.

The sensing component for detecting the position of the first rotating arm 1 may be of various types, such as a proximity switch or a pressure sensor 6, in this embodiment, the sensing component includes the pressure sensor 6, and in addition, in order to be able to receive a signal detected by the pressure sensor 6 and trigger the driving motor 5 to rotate according to the signal, the sensing component further includes a controller, which may be a single chip microcomputer or a programmable logic controller, for example. The controller is respectively in signal connection with the pressure sensor 6 and the driving motor 5, can receive a trigger signal sent by the pressure sensor 6, and controls the driving motor 5 to rotate forwards or backwards according to the trigger signal, so that the locking pin penetrates into the locking hole 2 or withdraws from the locking hole 2.

Specifically, the controller can store the current state information of the locking pin and control the rotation direction of the driving motor 5 in conjunction with the current state information of the locking pin and the trigger signal. For example, if the current locking pin penetrates through the locking hole 2, when the controller receives a trigger signal, the driving motor 5 is controlled to rotate to enable the locking pin to exit out of the locking hole 2, so that the first rotating arm 1 is unlocked; if the current locking pin is located outside the locking hole 2, when the controller receives a trigger signal, the driving motor 5 is controlled to rotate to enable the locking pin to penetrate into the locking hole 2, and therefore the first rotating arm 1 is locked.

Referring to fig. 1, the pressure sensor 6 may be installed in the first rotating arm connecting device 3, for example, inside the end of the first rotating arm connecting device 3 away from the first rotating arm 1, and in a specific implementation, may be installed on the white body of the automobile. When the first rotary arm 1 rotates to the set position, the top end of the first rotary arm will touch the pressure sensor 6 and apply pressure to the pressure sensor 6, so that the pressure sensor 6 can send a pressure signal to the controller.

Further, for ease of installation, the drive motor 5 may be mounted outside the first rotating arm link 3, for example, outside the end of the first rotating arm link 3 remote from the first rotating arm 1. In particular, the automobile body-building device can be installed on a white automobile body.

Referring to fig. 2, the battery pack mounting plate 8 and the first rotating arm connecting device 3 are in a separated state, the driving component 11 is fixed on the battery pack mounting plate 8, and the driving component 11 is mainly used for connecting the second rotating arm 10 and driving the first rotating arm 1 to rotate;

the specific structure of the driving part 11 can be various, and in order to improve the compactness and facilitate the installation and manufacture, in this embodiment, the specific structure of the driving part 11 can be the same as that of the first rotating arm connecting device 3. Specifically, the driving part 11 is a columnar structure with an arc-shaped cross section, the second rotating arm 10 is hinged to one side of the end of the columnar structure, and the other side of the end of the columnar structure can drive the first rotating arm 1 to rotate to the set position when the battery pack mounting plate 8 rises under the action of external force; the end of the cylindrical structure remote from the second rotating arm 10 is tapered.

More specifically, referring to fig. 2, the upper half of the driving member 11 is a part in the circumferential direction of the cylindrical structure; the lower half part of the second rotating arm is a part of a cone structure in the circumferential direction, the upper part and the lower part are coaxially arranged and integrally formed, the second rotating arm 10 is arranged on the right side of the upper end of the driving part 11, and the driving part 11 does not block the rotation of the second rotating arm 10.

Further, the second rotating arm 10 may be, for example, a curved rotating arm that is curved toward the inside of the driving member 11, and the inflection point of the curved rotating arm is the hinge point 9 thereof. When the battery pack mounting plate 8 is lifted by an external force, the second rotating arm 10 can enter the first rotating arm connecting device 3 and rotate counterclockwise under the pushing of the first rotating arm connecting device 3. When the first rotating arm 1 is rotated to the set position and locked, the upper end of the second rotating arm 10 is engaged with the lower end of the first rotating arm 1 and is engaged with the battery pack mounting plate 8 so that the battery pack mounting plate 8 can be held at the predetermined mounting position when the battery pack mounting plate 8 is not subjected to an external force.

Preferably, when the first rotating arm 1 is locked after the second rotating arm 10 enters the first rotating arm connecting device 3, the first rotating arm connecting device 3 can also block the second rotating arm 10 from rotating clockwise, so that the second rotating arm 10 and the first rotating arm 1 are lapped more firmly, and the battery pack mounting plate 8 can be held at the predetermined mounting position more stably.

Based on the embodiment of the utility model provides a change device of electric automobile battery package that first aspect provided, the embodiment of the second aspect provides an electric automobile, this electric automobile includes according to the utility model provides a first aspect the change device of electric automobile battery package.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. Including each of the specific features, are combined in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims (11)

1. A replacement device of an electric vehicle battery pack, characterized in that the replacement device comprises:

a first rotating arm mountable on a white body;

the automatic induction lock is used for locking or unlocking the first rotating arm when the first rotating arm rotates to a set position;

the battery pack mounting plate is used for mounting a battery pack;

the driving component is fixed on the battery pack mounting plate and used for driving the first rotating arm to rotate to the set position when the battery pack mounting plate ascends under the action of external force;

and a second rotating arm that is provided on the driving member and that is capable of engaging with the first rotating arm when the first rotating arm is locked so as to hold the battery pack mounting plate at a predetermined mounting position.

2. The replacing device of the battery pack of the electric vehicle according to claim 1, further comprising: and the first rotating arm connecting device is hinged on the first rotating arm connecting device and can be arranged on the white vehicle body through the first rotating arm connecting device.

3. The replacing device for the battery pack of the electric vehicle as claimed in claim 2, wherein the first rotating arm connecting device is a cylindrical structure with an arc-shaped cross section, the first rotating arm is hinged to one side of the end of the cylindrical structure, and the end of the cylindrical structure far away from the first rotating arm is tapered.

4. The replacing device of the battery pack of the electric vehicle as claimed in claim 3, wherein the first rotating arm is a curved rotating arm that is curved toward the inner side of the first rotating arm connecting device.

5. The replacing device of the battery pack of the electric vehicle as claimed in claim 2, wherein the driving member is a column-shaped structure with an arc-shaped cross section, the second rotating arm is hinged to one side of an end of the column-shaped structure, and the other side of the end of the column-shaped structure can drive the first rotating arm to rotate to the set position when the battery pack mounting plate is lifted under the action of external force; the end part of one end of the columnar structure, which is far away from the second rotating arm, is conical.

6. The device for replacing a battery pack of an electric vehicle according to claim 5, wherein the second rotating arm is a curved rotating arm that is curved toward an inner side of the driving member.

7. The device for replacing a battery pack of an electric vehicle according to claim 5, wherein the second rotating arm is configured to enter the first rotating arm connecting device when the battery pack mounting plate is lifted by an external force, and to rotate under the pushing of the first rotating arm connecting device.

8. The replacing device of the battery pack of the electric vehicle as claimed in claim 1, wherein the first rotating arm is provided with a locking hole, and the auto-induction lock comprises an induction part, a driving motor and a locking pin driven by the driving motor; the aperture of locking hole is greater than the cross section diameter of locking pin, first rotatory arm can trigger when rotatory extremely setting for the position response part, so that response part control the driving motor drive the locking pin wear to establish to in the locking hole with the locking first rotatory arm or withdraw from outside the locking hole in order to unblock first rotatory arm.

9. The device for replacing a battery pack of an electric vehicle as claimed in claim 8, wherein the sensing member comprises a pressure sensor and a controller, the controller is in signal connection with the pressure sensor and the driving motor respectively, the controller can apply pressure to the pressure sensor when the first rotating arm rotates to the set position, and the controller can control the driving motor to drive the locking pin to move when the pressure sensor is applied with pressure.

10. The replacing device for the battery pack of the electric vehicle as claimed in any one of claims 1 to 9, wherein after the first rotating arm is locked, when the battery pack mounting plate is not applied with an external force, the first rotating arm rotates reversely to deviate from the set position;

after the first rotating arm is unlocked, when the battery pack mounting plate moves downwards, the first rotating arm rotates reversely to be buckled with the second rotating arm.

11. An electric vehicle characterized in that it comprises a device for replacing a battery pack of an electric vehicle according to any one of claims 1 to 10.

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