CN216659643U

CN216659643U - Electric automobile dilatation system

Info

Publication number: CN216659643U
Application number: CN202122877252.0U
Authority: CN
Inventors: 刘永红; 刘帆宇
Original assignee: Institute Of Industrial Design And Machine Intelligence Innovation Quanzhou Hunan University
Current assignee: Institute Of Industrial Design And Machine Intelligence Innovation Quanzhou Hunan University
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-06-03
Anticipated expiration: 2031-11-23

Abstract

The utility model provides an electric automobile capacity expansion system which comprises an adjusting station and an installation space arranged on an electric automobile, wherein the adjusting station comprises a mechanical arm, a first identification device arranged on the mechanical arm, a grabbing mechanism arranged at the end part of the mechanical arm and a plurality of battery units, a plurality of first electromagnets are arranged in the installation space at intervals, the first identification device is used for calibrating positions where the battery units need to be placed, the battery units are placed on the calibrated positions by the mechanical arm and are adsorbed and fixed by the corresponding first electromagnets, the battery units are provided with a first connecting mechanism and a second connecting mechanism which are matched in pairs, and the grabbing mechanism of the mechanical arm controls the detachable conductive connection of the two adjacent battery units through the matching of the first connecting mechanism and the second connecting mechanism. The utility model can realize the capacity expansion of the battery of the electric automobile with low cost and high efficiency, effectively solve the problem of long-distance conversion driving of the automobile and avoid the long-distance anxiety of a driver caused by the problems of battery endurance and the like of the automobile.

Description

Electric automobile dilatation system

Technical Field

The utility model relates to an electric automobile capacity expansion system.

Background

With the proposition of energy conservation and emission reduction and green and environment-friendly traffic concepts, the electric automobile is greatly developed as a new energy vehicle in recent years, and the reserve of the electric automobile is continuously increased. But the battery problem of the electric vehicle also occurs. Due to the fact that the supply of battery cruising and charging equipment is limited, and the cruising ability and the consumption cost of the vehicle battery are obviously different in short-distance and long-distance driving, the vehicle is difficult to meet the requirement of conversion use between the short-distance and the long-distance. Therefore, at the present stage, drivers need to face the problems of whether the vehicles need to be charged, searching for charging areas and staying in fixed places for charging at any time during long-distance driving, so that most electric vehicle drivers have long-distance anxiety of vehicle battery continuation. How to realize the battery capacity expansion of the electric automobile with low cost and high efficiency and effectively solve the problem of long-distance and short-distance conversion driving of the automobile becomes one of important influence factors for further popularization and development of the electric automobile.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric vehicle capacity expansion system which can realize the capacity expansion of an electric vehicle battery with low cost and high efficiency, effectively solve the problem of long-distance conversion driving of a vehicle and avoid the problem that a driver generates long-distance anxiety due to the problems of vehicle battery endurance and the like.

The utility model is realized by the following technical scheme:

an electric automobile capacity expansion system comprises an electric quantity detection module, a driving mechanism and a charging interface, and comprises an adjusting station and an installation space arranged on the electric automobile, wherein the adjusting station comprises a mechanical arm, a first recognition device arranged on the mechanical arm, a grabbing mechanism arranged at the end part of the mechanical arm and a plurality of battery units, a plurality of first electromagnets are arranged in the installation space at intervals, the first recognition device is used for calibrating the positions where the battery units need to be placed, the mechanical arm places the battery units on the calibrated positions through the grabbing mechanism, the battery units are adsorbed and fixed by the corresponding first electromagnets, the battery units are provided with a first connecting mechanism and a second connecting mechanism which are matched in pairs, the grabbing mechanism of the mechanical arm controls the adjacent two battery units to be detachably and conductively connected through the matching of the first connecting mechanism and the second connecting mechanism, and all the battery units in the installation space form a power supply unit, the power supply unit is detachably and electrically connected with the electric quantity detection module, the driving mechanism and the charging interface respectively, a first controllable switch is connected between the power supply unit and the driving mechanism in series, a second controllable switch is connected between the power supply unit and the charging interface in series, and the first controllable switch and the second controllable switch are both connected with the electric quantity detection module.

Further, the conditioning station includes a plurality of different capacity battery cells.

Furthermore, a control mechanism is arranged on the mechanical arm, the first recognition device comprises a plurality of first cameras arranged on the mechanical arm at intervals in a surrounding mode and a plurality of first infrared sensors arranged on the mechanical arm at intervals in a surrounding mode, and each first camera and each first infrared sensor are connected with the control mechanism.

Furthermore, the first connecting mechanism comprises a first lead-out piece arranged on the battery unit, an extension piece which is arranged on the first lead-out piece and vertically extends upwards and two arc-shaped limiting grooves which are respectively arranged on two sides of the extension piece, the second connecting mechanism comprises a second lead-out piece arranged on the battery unit, two clamping pieces which are arranged on the second lead-out piece at intervals and vertically extend downwards and limiting blocks which are respectively arranged on the inner sides of the two clamping pieces and matched with the limiting grooves, the first lead-out piece and the second lead-out piece are respectively electrically connected with two poles of the battery unit, in the step C, the battery unit which is controlled by the mechanical arm and then put in is enabled to be downwards sleeved on the extension piece of the adjacent battery unit, and the two limiting blocks are respectively clamped into the limiting grooves.

Further, the first connecting mechanism is arranged at the rear end and one side surface of the battery unit, and the second connecting mechanism is arranged at the front end and the other side surface of the battery unit.

Furthermore, the installation space is arranged at the head or the tail of the electric automobile, a plurality of installation positions are arranged in the installation space at intervals, each installation position is provided with a first electromagnet, and the bottom of the battery unit is provided with a first absorbing part which can be absorbed by the first electromagnet.

Further, snatch the mechanism including rotationally set up the back shaft at the arm tip, rotationally set up at the swiveling wheel of back shaft lower extreme, set up at the disc of swiveling wheel lower extreme, encircle a plurality of second cameras that the disc interval set up, encircle a plurality of second infrared inductor that the disc interval set up and set up the second electro-magnet in the disc bottom, second infrared inductor is located second camera below.

Furthermore, the upper end of the extension piece and the lower end of the clamping piece are both provided with arc-shaped parts.

The utility model has the following beneficial effects:

1. when the electric automobile needs capacity expansion, under the condition that a vehicle-mounted battery of the electric automobile is charged, the electric automobile enters an adjusting station, the adjusting station prepares a proper number of battery units according to the battery capacity required to be rented, the battery units are placed and fixed in an installation space of the electric automobile by a mechanical arm to form a power supply unit, the power supply unit is detachably and conductively connected with a driving mechanism and a charging interface of the electric automobile respectively, the power supply unit is controlled by a power supply control module of the electric automobile and a first controllable switch and a second controllable switch, when the electric automobile is connected with a charging pile for charging, the vehicle-mounted battery is fully charged, the power supply control module controls the second controllable switch to be closed, the charging pile continues to charge the power supply unit, when the electric quantity of the vehicle-mounted battery is used up in the driving process, the power supply control module controls the first controllable switch to be closed, the power supply unit provides the electric quantity for the driving mechanism, when the battery unit needs to be returned, the battery unit in the installation space is taken out by the mechanical arm, so that the capacity expansion of the battery of the electric automobile is realized at low cost and high efficiency, the problem of long-distance conversion driving of the automobile is effectively solved, and the driver is prevented from generating long-distance anxiety due to the problems of battery endurance and the like of the automobile; because the leased power supply unit can be charged in the electric vehicle, the battery unit placed in the adjusting station can be in a non-power or low-power state, so that the adjusting station only plays a role in allocating and storing the battery unit without ensuring that each battery unit is in a full-power state, the pressure of the adjusting station is greatly reduced, and lease service can be provided for more electric vehicles; the vehicle-mounted battery of the electric automobile is not replaced, and the newly added battery unit can directly supply power to the electric automobile, so that a user can purchase the electric automobiles with different brands and any battery capacities according to own preference and demand without worrying about the matching problem caused by directly replacing the vehicle-mounted battery in the prior art, and the user experience satisfaction is greatly improved; be provided with on the battery unit and match first coupling mechanism and second coupling mechanism in pairs, adjacent two battery units realize dismantling electrically conductive connection through first, second coupling mechanism's cooperation for battery unit's installation and dismantlement are all more convenient.

2. The battery units with various different capacities in the regulation site can effectively improve the flexibility of capacity regulation according to the lease capacity provided in the reservation information.

3. The mounting space of the electric vehicle is internally provided with a plurality of mounting positions, each mounting position is provided with a first electromagnet, the battery unit is placed on the mounting position and is adsorbed and fixed by the corresponding first electromagnet, when the battery unit is continuously placed, the mechanical arm enables the two clamping pieces of the second connecting mechanism of the battery unit which is placed later to be downwards sleeved on the extending piece of the adjacent battery unit (the adjacent battery unit can be adjacent in the front and back or adjacent in the left and right direction), and the limiting blocks on the inner sides of the two clamping pieces are respectively clamped into the limiting grooves, so that the series connection of the two battery units is completed, under the action of the first electromagnet, the matched limiting blocks and the limiting grooves, the stability of the connection of the battery units can be ensured, the condition that the battery units are in poor contact due to vibration generated in the driving process is avoided, when the battery unit needs to be dismounted, the first electromagnet corresponding to the battery unit is powered off, the arm exerts ascending power to this battery unit again, because of this battery unit adjacent battery unit still is adsorbed by its first electro-magnet that corresponds, so the arm can make clamping piece and extension piece separate fast, can demolish battery unit.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic view of a battery unit being placed in a mounting position according to the present invention.

Fig. 2 is a schematic structural view of a battery cell according to the present invention.

Fig. 3 is a schematic diagram of a series connection of battery units according to the present invention.

Fig. 4 is a schematic diagram of a charging and power supplying circuit of the battery unit of the present invention.

Fig. 5 is a schematic view of the robotic arm grasping a battery cell of the present invention.

Fig. 6 is a schematic structural diagram of the grasping mechanism of the present invention.

Wherein, 1, an electric automobile; 11. an installation space; 12. an electric quantity detection module; 13. a drive mechanism; 14. a charging interface; 15. a vehicle-mounted battery; k3, a third controllable gate; k4, a fourth controllable switch; 2. a mechanical arm; 21. a vertical rod; 22. a first transverse articulated arm; 23. a second transverse articulated arm; 24. a first longitudinal articulated arm; 25. a second longitudinally articulated arm; 31. a first camera; 32. a first infrared sensor; 4. a grabbing mechanism; 41. a support shaft; 42. a rotating wheel; 43. a disc; 44. a second camera; 45. a second infrared sensor; 46. a second electromagnet; 50. a power supply unit; 5. a battery cell; 51. a first connecting mechanism; 511. a first lead-out sheet; 512. an extension piece; 513. a limiting groove; 52. a second connecting mechanism; 521. a second lead-out sheet; 522. a clamping piece; 523. a limiting block; 524. a guide section; k1, a first controllable switch; k2, a second controllable switch.

Detailed Description

As shown in fig. 1 to 6, the capacity expansion system of the electric vehicle expands the capacity of the electric vehicle according to the following steps:

A. the electric automobile 1 drives into a regulation station under the condition that the vehicle-mounted battery 15 of the electric automobile is still electrified, the regulation station is provided with a fixed lane and a storage table, the regulation station judges whether the electric automobile 1 needs to rent the battery unit 5 or return the battery unit 5 according to reservation information of the electric automobile 1, if the electric automobile 1 needs to rent the battery unit 5, the step B is carried out, and if the electric automobile 1 returns the battery unit 5, the step D is carried out;

the adjusting station comprises a mechanical arm 2, a control mechanism arranged on the mechanical arm 2, a first identification device arranged on the mechanical arm 2, a grabbing mechanism 4 arranged at the end part of the mechanical arm 2 and a plurality of battery units 5, and reservation information of the electric automobile 1 is received by the control mechanism and comprises the battery units 5 needing to be rented or the battery units 5 returning, the capacity of rented batteries or the number of the battery units 5 returning, wherein under the condition of needing to be rented, the electric automobile 1 can indicate the capacity only in the reservation information or explicitly indicate the number of the batteries needing to be rented;

B. the capacities of the plurality of battery units 5 in the adjusting station are not completely the same, namely the battery units 5 with different capacities are arranged in the adjusting station, the reservation information sent by the electric automobile 1 is received by the control mechanism on the mechanical arm 2, the staff of the adjusting station can prepare a proper number of battery units 5 according to the specific requirements of the reservation information, the prepared battery units 5 are placed on the storage table and positioned in the grabbing range of the mechanical arm 2, and the electric automobile 1 can also be stopped just in the operating range of the mechanical arm 2 through the guidance of a fixed lane; the process that the electric automobile 1 sends out the reservation information and is received by the control mechanism is the prior art;

C. in order to place the rented battery unit 5, an installation space 11 is arranged on the electric vehicle 1, the installation space 11 can be arranged at the head or tail of the electric vehicle 1, a free space exists at the head or tail of the existing electric vehicle 1, the installation space 11 can be formed by utilizing the space, more specifically, the bottom of the installation space 11 is divided into a plurality of installation positions at intervals, each installation position is provided with a first electromagnet, each first electromagnet is powered by a vehicle-mounted battery 15 of the electric vehicle 1, the power on/off of each first electromagnet is controlled by a control system of the electric vehicle 1, and the connection between each first electromagnet and the vehicle-mounted battery 15 and the process of controlling the power on/off of each first electromagnet by the control system are the prior art;

after the electric automobile 1 opens the installation space 11, after the position calibration is performed by the first recognition device, the first recognition device comprises a plurality of first cameras 31 arranged on the mechanical arm 2 at intervals and a plurality of first infrared sensors 32 arranged on the mechanical arm 2 at intervals, the first infrared sensors 32 are positioned below the cameras, each first camera 31 and each first infrared sensor 32 are connected with the control mechanism, the installation position where the current battery unit 5 is placed is calibrated through the cooperation of the first camera 31, the first infrared sensor 32 and the control mechanism, then the mechanical arm 2 is controlled to rotate by a corresponding angle according to the installation position so as to accurately place the battery unit 5 on the corresponding installation position, the bottom of the battery unit 5 is provided with a first suction part which can be adsorbed by the first electromagnet, after the battery unit 5 is placed on the installation position, the corresponding first electromagnet is electrified, so that the battery unit 5 is attracted by the first electromagnet; the first suction attachment may be a metal sheet; after all the battery units 5 are placed into the corresponding mounting positions by the mechanical arm 2, a power supply unit 50 is formed; the electric automobile 1 comprises a vehicle-mounted battery 15, an electric quantity detection module 12, a driving mechanism 13 and a charging interface 14, wherein the driving mechanism 13 is a motor, the charging interface 14 is an interface connected with a charging pile for charging, the vehicle-mounted battery 15 is respectively connected with the driving mechanism 13 and the charging interface 14 through a third controllable switch K3 and a fourth controllable switch K4, the third controllable switch K3 and the fourth controllable switch K4 are both connected with the electric quantity detection module 12, a power supply unit 50 is respectively connected with the electric quantity detection module 12 of the electric automobile 1, the driving mechanism 13 and the charging interface 14 are detachably and conductively connected, a first controllable switch K1 is connected in series between the power supply unit 50 and the driving mechanism 13, a second controllable switch K2 is connected in series between the power supply unit 50 and the charging interface 14, the first controllable switch K1 and the second controllable switch K2 are both connected with the electric quantity detection module 12, and the procedure goes to step E;

the connection between the power supply unit 50 and the electric quantity detection module 12, the driving mechanism 13 and the charging interface 14 can be realized through wires or connecting pieces, and the specific connection structure is the prior art;

the front end and the rear end of the battery unit 5 are provided with a first connecting mechanism 51 and a second connecting mechanism 52 which are matched in pairs, and the left side surface and the right side surface are also provided with a first connecting mechanism 51 and a second connecting mechanism 52 which are matched in pairs, so that the connection modes of the battery unit 5 are more various, the power supply unit 50 comprises at least one battery unit 5, and when only one battery unit 5 is arranged, the battery unit 5 is the power supply unit 50; when the number of the battery units 5 is more than two, the mechanical arm 2 controls the adjacent two battery units 5 to be detachably and electrically connected through the matching of the first connecting mechanism 51 and the second connecting mechanism 52 so as to realize the series connection of the battery units 5;

more specifically, the first connecting mechanism 51 includes a first lead-out piece 511 disposed on the battery unit 5, an extending piece 512 disposed on the first lead-out piece 511 and extending vertically upwards, and two arc-shaped limiting grooves 513 disposed on two sides of the extending piece 512 respectively, the second connecting mechanism 52 includes a second lead-out piece 521 disposed on the battery unit 5, two clamping pieces 522 disposed at intervals on the second lead-out piece 521 and extending vertically downwards, and limiting blocks 523 disposed inside the two clamping pieces 522 and matching with the limiting grooves 513 respectively, the first lead-out piece 511 and the second lead-out piece 521 are electrically connected with two poles of the battery unit 5 respectively, and the battery unit 5 placed after being controlled by the mechanical arm 2 has the two clamping pieces 522 thereof sleeved downwards on the extending pieces 512 of the adjacent battery unit 5, and the two limiting blocks 523 are respectively clamped into the limiting grooves 513; the upper end of the extension piece 512 and the lower end of the clamping piece 522 are both provided with arc-shaped guiding parts 524 to guide the limiting block 523 to be clamped into or separated from the limiting groove 513; the first connecting mechanism 51 and the second connecting mechanism 52 are both made of an electrically conductive material;

D. after the electric vehicle 1 opens the installation space 11, after the position calibration is performed through the first recognition device, after the current battery unit 5 to be taken out is determined, the corresponding first electromagnet is powered off, the mechanical arm 2 applies an upward force to the battery unit 5, so that the second connection mechanism 52 is separated from the first connection mechanism 51 of the adjacent battery unit 5, the battery unit 5 is taken out of the installation space 11, if a plurality of battery units 5 need to be returned, the mechanical arm 2 sequentially takes out the battery units 5 in the installation space 11 according to the above process, and the process goes to step E;

E. the electric automobile 1 is driven away from the adjusting station;

the renting and returning process also comprises calculation and payment of the renting cost, but the process is the prior art.

The battery unit 5 is put in and taken out through a mechanical arm 2 and a grabbing mechanism 4 arranged on the mechanical arm 2, the mechanical arm 2 comprises a vertical rod 21, a first transverse joint arm 22 arranged at the upper end of the vertical rod 21 in a horizontally rotating manner, a second transverse joint arm 23 arranged at the end part of the first transverse joint arm 22 in a horizontally rotating manner, a first longitudinal joint arm 24 arranged at the end part of the second transverse joint arm 23 in a vertically rotating manner, and a second longitudinal joint arm 25 arranged at the end part of the first longitudinal joint arm 24 in a vertically rotating manner, a first camera 31 and a first infrared sensor 32 are arranged on the vertical rod 21 at intervals in a surrounding manner, a control mechanism is arranged inside the vertical rod 21, the grabbing mechanism 4 comprises a supporting shaft 41 arranged at the end part of the mechanical arm 2 in a rotating manner, a rotating wheel 42 arranged at the lower end of the supporting shaft 41 in a rotating manner, a disc 43 arranged at the lower end of the rotating wheel 42, a second infrared sensor is arranged at the lower end of the rotating wheel 25, Encircle a plurality of second cameras 44 that disc 43 interval set up, encircle a plurality of second infrared inductor 45 that disc 43 interval set up and set up the second electro-magnet 46 in the disc 43 bottom, second infrared inductor 45 is located second camera 44 below, second camera 44 and second infrared inductor 45 are connected with control mechanism respectively, second electro-magnet 46 is by the battery power supply who sets up in montant 21, cell 5 upper end is provided with the sheetmetal, when needing to snatch cell 5, then control second electro-magnet 46 and energize, otherwise, second electro-magnet 46 cuts off the power supply.

In this embodiment, the control mechanism is a single chip microcomputer, and the first to fourth controllable switches K4 are all relays.

The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the utility model, which is defined by the appended claims and their equivalents and modifications within the scope of the description.

Claims

1. The utility model provides an electric automobile dilatation system, electric automobile include electric quantity detection module, actuating mechanism, the interface that charges, its characterized in that: the electric automobile battery unit calibration device comprises an adjusting station and an installation space arranged on an electric automobile, wherein the adjusting station comprises a mechanical arm, a first recognition device arranged on the mechanical arm, a grabbing mechanism arranged at the end part of the mechanical arm and a plurality of battery units, a plurality of first electromagnets are arranged in the installation space at intervals, the first recognition device is used for calibrating positions where the battery units need to be placed, the mechanical arm places the battery units on the calibrated positions through the grabbing mechanism, the battery units are adsorbed and fixed by the corresponding first electromagnets, the battery units are provided with a first connecting mechanism and a second connecting mechanism which are matched in pair, the grabbing mechanism of the mechanical arm controls the adjacent two battery units to be detachably and conductively connected through the matching of the first connecting mechanism and the second connecting mechanism, all the battery units in the installation space form power supply units, and the power supply units are respectively detachably and conductively connected with an electric quantity detection module, a driving mechanism and a charging interface, first controllable switch has concatenated between power supply unit and the actuating mechanism, and second controllable switch has concatenated between power supply unit and the interface that charges, and first, second controllable switch all are connected with electric quantity detection module.

2. The electric vehicle capacity expansion system of claim 1, wherein: the conditioning station includes a plurality of different capacity battery cells.

3. The electric vehicle capacity expansion system of claim 1, wherein: the mechanical arm is provided with a control mechanism, the first recognition device comprises a plurality of first cameras arranged on the mechanical arm at intervals and a plurality of first infrared sensors arranged on the mechanical arm at intervals, and each first camera and each first infrared sensor are connected with the control mechanism.

4. The capacity expansion system of claim 1, 2 or 3, wherein: the first connecting mechanism comprises a first lead-out piece arranged on the battery unit, an extension piece arranged on the first lead-out piece and extending vertically upwards and two arc-shaped limiting grooves respectively arranged on two sides of the extension piece, the second connecting mechanism comprises a second lead-out piece arranged on the battery unit, two clamping pieces arranged on the second lead-out piece at intervals and extending vertically downwards and limiting blocks respectively arranged on the inner sides of the two clamping pieces and matched with the limiting grooves, and the first lead-out piece and the second lead-out piece are respectively electrically connected with two poles of the battery unit.

5. The capacity expansion system of the electric vehicle as claimed in claim 1, 2 or 3, wherein: the first connecting mechanism is arranged at the rear end and one side surface of the battery unit, and the second connecting mechanism is arranged at the front end and the other side surface of the battery unit.

6. The capacity expansion system of the electric vehicle as claimed in claim 1, 2 or 3, wherein: the installation space is arranged at the head or the tail of the electric automobile, a plurality of installation positions are arranged in the installation space at intervals, first electromagnets are arranged on the installation positions, and first absorbing parts capable of being absorbed by the first electromagnets are arranged at the bottom of the battery unit.

7. The capacity expansion system of the electric vehicle as claimed in claim 1, 2 or 3, wherein: the grabbing mechanism comprises a supporting shaft, a rotating wheel, a disc, a plurality of second cameras, a plurality of second infrared sensors and a second electromagnet, the supporting shaft is rotatably arranged at the end of the mechanical arm, the rotating wheel is rotatably arranged at the lower end of the supporting shaft, the disc is arranged at the lower end of the rotating wheel, the second cameras are arranged around the disc at intervals, the second infrared sensors are arranged around the disc at intervals, the second electromagnet is arranged at the bottom of the disc, and the second infrared sensors are located below the second cameras.

8. The electric vehicle capacity expansion system of claim 4, wherein: the upper end of the extension piece and the lower end of the clamping piece are both provided with arc-shaped parts.