CN109278722B - Electric automobile shared battery system and power conversion method - Google Patents
Electric automobile shared battery system and power conversion method Download PDFInfo
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- CN109278722B CN109278722B CN201811260917.XA CN201811260917A CN109278722B CN 109278722 B CN109278722 B CN 109278722B CN 201811260917 A CN201811260917 A CN 201811260917A CN 109278722 B CN109278722 B CN 109278722B
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 75
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- 238000004891 communication Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims description 31
- 238000007599 discharging Methods 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 238000012795 verification Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
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- 238000010586 diagram Methods 0.000 description 3
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- 238000005299 abrasion Methods 0.000 description 1
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Classifications
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- 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
Abstract
The invention provides an electric automobile shared battery system and a battery replacing method, which comprises an electric automobile battery replacing cabinet, a battery and a central server, and is characterized in that: the electric automobile battery changing cabinet comprises a cabinet body, a charging station, a charging circuit and a control system, wherein the control system comprises an identification reading device for identifying a battery ID and a communication module, a charging socket is arranged in the charging station, and a battery changing conversion table or a manipulator is arranged in the cabinet body. One end of the shell of the battery is provided with a connector plug, the other end of the shell of the battery is provided with a connector socket, and the battery is provided with an electronic tag with unique ID and a communication module; the center server stores battery information of the battery, and the center server and the electric automobile battery-changing cabinet realize network communication. The batteries can be shared, the electric automobile battery changing cabinet can automatically receive the batteries of the electric automobile, the batteries are sent to the charging position of the electric automobile battery changing cabinet for charging, and then the full-charged batteries are automatically sent to the outside of the electric automobile battery changing cabinet, so that the batteries can be automatically and quickly replaced.
Description
Technical Field
The invention belongs to the technical field of electric vehicle charging facilities, and particularly relates to an electric vehicle shared battery system and a power conversion method.
Background
At present, with the rapid popularization of new energy automobiles, particularly pure electric automobiles, in the world, the problems of low charging speed, short endurance mileage and insufficient convenience of the electric automobiles are increasingly prominent, and the problem becomes the biggest bottleneck for restricting the daily use experience of the electric automobiles and the further development of the electric automobile industry. Because of the electrochemical characteristics of the automobile battery and the restriction of power of a power grid node, the charging speed cannot be greatly improved in a short period, and the charging speed can be equivalent to the refueling speed of a fuel vehicle. The requirement of quickly recovering the power of the electric automobile can be met by replacing the automobile battery, the use habit of the traditional automobile user is met, and the automobile battery is the best choice for improving the user experience at present. However, in the current electric vehicles on the market, due to lack of unified standards, battery, electric and mechanical interfaces of various manufacturers are different, and battery management system interfaces become the biggest obstacle for building a vehicle battery replacement system.
Therefore, development of a battery sharing system and a battery replacing method for an electric automobile is needed, batteries for the electric automobile with uniform design standards can be shared and used, the battery for the electric automobile can be automatically received by the battery replacing cabinet of the electric automobile, and the battery can be sent to a charging position of the battery replacing cabinet of the electric automobile for charging, and then the battery with full power is automatically sent to the outside of the battery replacing cabinet of the electric automobile, so that full-automatic and rapid battery replacement is realized.
Disclosure of Invention
The invention provides a battery sharing system and a battery replacing method for an electric automobile, which are used for solving the problems in the prior art, wherein batteries can be shared and used, an electric automobile battery replacing cabinet can automatically receive the batteries for the electric automobile and send the batteries to a charging position of the electric automobile battery replacing cabinet for charging, and then fully-charged batteries are automatically sent to the outside of the electric automobile battery replacing cabinet, so that full-automatic and rapid battery replacement is realized.
The invention aims at realizing the following technical scheme:
the electric automobile shared battery system comprises an electric automobile power conversion cabinet, batteries for the electric automobile and a central server, and is characterized in that the electric automobile power conversion cabinet comprises a cabinet body, a plurality of charging positions for charging the batteries, a charging circuit and a control system, wherein the control system comprises an identification reading device for identifying battery ID and a communication module, a charging socket is arranged in the charging position, and a replacement electric conversion table or a manipulator is arranged in the cabinet body; one end of the shell of the battery is provided with a connector plug, the other end of the shell of the battery is provided with a connector socket, and the battery is provided with an electronic tag with unique ID and a communication module; the center server stores battery information of the battery, and the center server and the electric automobile battery changing cabinet realize network communication.
The improvement of the technical scheme is as follows: the battery inlet and outlet are formed in the front face of the cabinet body, the battery conversion table comprises a battery conversion table frame, a base, a battery tray and a battery tray driving mechanism, the battery tray driving mechanism and the battery tray are arranged on the base, a battery conveying device is arranged on the battery tray, the base is movably connected with the battery conversion table frame, a base lifting driving device is arranged on the battery conversion table frame, the control system controls the base lifting driving device to drive the frame to lift, the battery tray driving mechanism is controlled by the control system to drive the battery tray to rotate, longitudinally move and transversely move, and the battery conveying device of the battery tray automatically receives and conveys the battery to the battery inlet and outlet, conveys the battery to an idle charging position to charge, receives the full-power battery conveyed from the charging position and conveys the battery inlet and outlet.
Further improvement of the technical scheme is as follows: the shell of the battery is cuboid, an inner groove is formed in one end of the shell, provided with a connector socket, the connector socket is arranged in the inner groove, the connector plug is connected with the connector socket through a circuit in the shell, and a rotating wheel is arranged on the side surface or/and the top surface of the shell; the battery is arranged in the charging position of the electric automobile battery changing cabinet, and the connector plug of the battery is spliced with the battery charging socket in the charging position.
Further improvement of the technical scheme is as follows: the electric automobile sharing battery system further comprises an electric automobile, the electric automobile comprises an automobile body, a chassis, an electric driving system, a cab and an automobile control system, the electric driving system comprises a battery compartment, the battery compartment is fixed at the lower part of the chassis, the battery compartment is a rectangular cavity, one end of the battery compartment is a battery inlet and outlet, the inner side of the other end of the battery compartment is provided with a battery connector socket, and an automatic battery pushing-out and leading-in device is arranged in the rectangular cavity; the battery inlet and outlet of the battery compartment faces the front, the rear or the side of the electric automobile; and the automobile control system controls the automatic pushing-out and leading-in device of the battery in the battery compartment to act.
Further improvement of the technical scheme is as follows: the automatic battery pushing-out and leading-in device in the battery compartment comprises a roller, a motor controller and a synchronous transmission belt, wherein the roller, the motor controller and the synchronous transmission belt are arranged on the bottom surface of the rectangular cavity, at least one battery is placed in the battery compartment, the battery is connected with a battery connector socket in the battery compartment through a connector plug, and each battery is connected in series or in parallel with the connector socket in an end-to-end plugging manner through the connector plug.
Further improvement of the technical scheme is as follows: the battery tray driving mechanism comprises a longitudinal moving guide rail arranged on the base, a longitudinal moving slide block is arranged on the bottom surface of a transverse moving mechanism mounting plate, the longitudinal moving slide block is arranged on the longitudinal moving guide rail, a longitudinal driving device consisting of a first motor, a first speed reducer and a first screw rod is arranged on the base, and the longitudinal driving device drives the transverse moving mechanism mounting plate to move along the longitudinal moving guide rail; the device comprises a transverse moving mechanism mounting plate, a transverse moving guide rail, a transverse driving device formed by a second motor, a second speed reducer and a second screw rod, wherein a transverse moving sliding block is arranged on the bottom surface of a rotary support, the transverse moving sliding block is arranged on the transverse moving guide rail and is driven to rotate and support transverse movement by the transverse driving device, a rotating table is arranged on the rotating support, a battery tray is arranged on the rotating table, a rotary driving motor is arranged on the rotating support, and the rotating table and the battery tray are driven to rotate by the rotary driving motor.
Further improvement of the technical scheme is as follows: the power conversion table frame is a square frame, 4 sliding rods are vertically arranged in the square frame, the base is provided with a square frame, the 4 corners of the square frame are respectively provided with an up-down moving sliding block, and the 4 up-down moving sliding blocks are respectively sleeved on the 4 sliding rods; the base lifting driving device comprises a lifting motor, a rotating wheel, a rope belt, a base tray and a balancing weight, wherein the lifting motor is fixed at the upper end of the power conversion table frame through a motor mounting plate, the rotating wheel is arranged on a rotating shaft of the lifting motor, the rope belt is wound on the rotating wheel, one end of the rope belt is connected with the balancing weight, the other end of the rope belt is connected with the base tray, and the base tray is connected with the base.
The power conversion method of the electric automobile shared battery system is characterized by comprising the following steps of:
(1) The electric automobile stops after running to the front of the electric automobile battery changing cabinet at a relatively short distance, and a user sends in-car battery information to a control system of the electric automobile battery changing cabinet;
(2) The control system of the electric automobile battery changing cabinet receives the battery information in the automobile and then forwards the information to the central server, the central server searches the battery information stored in the central server, verifies whether the battery is legal or not, and sends the result to the control system of the electric automobile battery changing cabinet;
(3) If the battery is illegal, the control system of the electric vehicle battery changing cabinet sends verification failure information to the electric vehicle, and the electric vehicle displays prompt information of verification failure; if the battery is legal, the control system of the electric automobile battery changing cabinet sends a battery taking preparation instruction to the battery changing conversion table, and the battery changing conversion table operates to a battery inlet and outlet of a battery cabin of the electric automobile;
(4) The control system of the electric automobile battery changing cabinet sends a battery changing readiness instruction to the electric automobile, the automobile control system of the electric automobile sends a discharging instruction to the battery compartment, the battery in the battery compartment is automatically pushed out and led in to send out a battery with a power shortage out of a battery inlet and a battery outlet, and the battery with the power shortage is received by the battery changing conversion table in the electric automobile battery changing cabinet from the battery inlet and the battery outlet;
(5) The method comprises the steps that an electric automobile sends a battery discharging command to an electric automobile battery changing cabinet control system, the electric automobile battery changing cabinet control system sends a battery command which is obtained to a battery changing conversion table, and the battery changing conversion table conveys a battery which is out of charge to an empty charging bin for charging;
(6) The control system of the electric automobile battery changing cabinet reads battery information and sends the battery information to the central server 1, and the central server modifies the battery information and sends new state information of the battery to the control system of the electric automobile battery changing cabinet;
(7) The control system of the electric automobile battery changing cabinet sends a battery command to the battery changing conversion table, and the battery changing conversion table takes out the full-power battery from the charging position and sends the full-power battery to the battery inlet and outlet of the battery cabin of the electric automobile;
(8) The control system of the electric automobile battery changing cabinet sends a ready instruction for entering a battery compartment of the electric automobile, the automobile control system of the electric automobile sends a compartment entering instruction to the battery compartment, and the battery automatic pushing-out and leading-in device of the battery compartment leads the full-power battery into the battery compartment; the electric automobile sends a command of finishing entering a bin to a control system of an electric automobile battery changing cabinet;
(9) The control system of the electric automobile power conversion cabinet sends information of the in-cabin battery to the central server, the central server modifies the information of the in-cabin battery and sends the information to the control system of the electric automobile power conversion cabinet, and the control unit of the electric automobile power conversion cabinet sends a return instruction to the power conversion platform and the electric automobile, and the power conversion platform returns to the initial position; and (5) finishing the electricity exchange.
The improvement of the technical scheme is as follows: the electric automobile adopts a user intelligent mobile phone or an automobile control system to communicate with the electric automobile battery changing cabinet through network connection or directly establish wireless connection communication.
Further improvement of the technical scheme is as follows: when the control instruction is exchanged through wireless connection communication, the electric automobile and the electric automobile power exchange cabinet are controlled to complete the exchange of the power shortage battery in the electric automobile and the full battery in the electric automobile power exchange cabinet, and the wireless connection is automatically disconnected after the electric automobile is far away from the electric automobile power exchange cabinet, and the wireless connection comprises wifi, zigBee, Z-Wave, bluetooth or RF wireless communication.
Compared with the prior art, the invention has the advantages and positive effects that:
1. the battery is designed into a standard general structure and can be shared for use; the automatic battery pushing-out and leading-in device arranged in the battery compartment of the electric automobile can automatically push out the battery therein and also can automatically lead in the battery, thereby being convenient for quick replacement with the battery of the charging equipment; the electric automobile battery changing cabinet can automatically receive the power-shortage battery automatically sent out by the battery compartment of the electric automobile, send the power-shortage battery to the charging position of the electric automobile battery changing cabinet for charging, and automatically send the full-power battery to the battery compartment of the electric automobile outside the electric automobile battery changing cabinet, so that the full-automatic quick battery changing is realized;
2. the power conversion method is simple and quick, omits manual operation, improves the power conversion efficiency, and realizes the unmanned replacement of the battery of the electric automobile;
3. the control system of the electric automobile battery changing cabinet comprises an identification reading device for identifying the battery ID, and the control system comprises a wireless communication module for carrying out wireless communication with the electric automobile, so that the short-distance communication can be realized under the condition of no network;
4. the control system of the electric automobile battery-changing cabinet comprises the central server and the network module connected with the central server through a network, and can realize communication and remote control through the network.
Drawings
Fig. 1 is a perspective view showing the front of a power conversion table in an electric vehicle shared battery system according to the present invention;
fig. 2 is a front view of a power conversion station in the electric vehicle shared battery system according to the present invention;
FIG. 3 is a perspective view of the back side of a power conversion table in an electric vehicle shared battery system according to the present invention;
fig. 4 is a top view of a battery tray and its driving mechanism in an electric vehicle shared battery system according to the present invention;
fig. 5 is a perspective view of a battery tray and a driving mechanism thereof in a shared battery system of an electric vehicle according to the present invention;
fig. 6 is a perspective view of a battery tray and a driving mechanism thereof in a shared battery system of an electric vehicle according to the present invention;
fig. 7 is a perspective view of an electric vehicle battery changing cabinet in the electric vehicle shared battery system of the invention;
fig. 8 is a schematic diagram of a use state of an electric vehicle battery-changing cabinet in the electric vehicle shared battery system according to the present invention;
FIG. 9 is a top view of an automotive battery in an electric automobile shared battery system of the present invention;
FIG. 10 is a schematic diagram of an electric vehicle in an electric vehicle battery change system according to the present invention, wherein the electric vehicle is parked in front of an electric vehicle battery change cabinet to change batteries;
FIG. 11 is a schematic diagram of an electric vehicle power conversion system according to the present invention;
fig. 12 is a flow chart of a power exchanging method of the power exchanging system of the electric automobile.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
referring to fig. 1-11, an embodiment of a battery sharing system for an electric vehicle according to the present invention includes an electric vehicle battery-changing cabinet 25, a battery 26 for an electric vehicle 28, and a central server 29, where the electric vehicle battery-changing cabinet 25 includes a cabinet body, a plurality of charging stations 25.1 for charging the battery, a charging circuit, and a control system. The control system comprises an identification reading device for identifying the ID of the battery and a communication module, wherein a charging socket is arranged in the charging position 25.1, and a replacement electric conversion table or a manipulator is arranged in the cabinet body. One end of the shell of the battery 26 is provided with a connector plug 26.2, the other end is provided with a connector socket 26.5, and the battery 26 is provided with an electronic tag with unique ID and a communication module. The central server 29 stores battery information of the battery 26, and the central server 29 and the electric vehicle battery-changing cabinet 25 realize network communication.
Specifically: the front side of the electric vehicle battery changing cabinet 25 is provided with a battery inlet and a battery outlet, and the battery changing and converting table comprises a battery changing and converting table frame 4, a base 9, a battery tray 1, a battery tray driving mechanism and a control system. The battery tray driving mechanism and the battery tray 1 are arranged on the base 9, and the battery conveying device is arranged on the battery tray 1, so that the base 9 is movably connected with the power conversion table frame 4. The base lifting driving device is arranged on the power conversion table frame 4, and the control system controls the base lifting driving device to drive the base 9 to lift. The battery tray driving mechanism is controlled by the control system to drive the battery tray 1 to rotate, longitudinally move and transversely move. The control system controls the battery conveying device of the battery tray 1 to automatically receive the battery 26 which is sent to the electric automobile battery changing cabinet 25 and is lack of electricity, and sends the battery 26 to the charging position 25.1 where the electric automobile battery changing cabinet 25 is idle for charging, receives the full-charge battery which is conveyed from the charging position 25.1, and conveys the full-charge battery out of the battery inlet and outlet of the electric automobile battery changing cabinet 25.
The battery tray driving mechanism comprises two longitudinal moving guide rails 23 arranged on the base 9, two longitudinal moving sliding blocks 24 are arranged on the bottom surface of a transverse moving mechanism mounting plate 15, and the two longitudinal moving sliding blocks 24 are respectively arranged on the two longitudinal moving guide rails 23. A longitudinal driving device consisting of a first motor 22, a first speed reducer and a first screw rod is arranged on the base 9, and drives the transverse moving mechanism mounting plate 15 to move along a longitudinal moving guide rail. The lateral movement mechanism mounting plate 15 is provided with a lateral movement guide rail 18 and a lateral driving device composed of a second motor 21, a second speed reducer and a second screw rod 16, and the second screw rod 16 is fixed on the lateral movement mechanism mounting plate 15 by a bearing seat 17. The bottom surface of a rotating support 12 is provided with a transverse moving slide block 20, the transverse moving slide block 20 is arranged on a transverse moving guide rail 18, the rotating support 12 is driven by a transverse driving device to transversely move, the rotating support 12 is provided with a rotating table, the rotating table is provided with a battery tray 1, the rotating support 12 is provided with a rotary driving motor 19, and the rotating table and the battery tray 1 are driven by the rotary driving motor 19 to rotate.
Further, the power conversion table frame 4 is a square frame, 4 sliding rods 7 are vertically arranged in the square frame, the base 9 is provided with a square frame, the four corners of the square frame 4 are respectively provided with an up-and-down moving sliding block 8, and the 4 up-and-down moving sliding blocks 8 are respectively sleeved on the 4 sliding rods 7.
The base lifting driving device comprises a lifting motor 13, a rotating wheel 10, a rope belt 3, a base tray 14 and a balancing weight 11, wherein the lifting motor 13 is fixed at the upper end of a power conversion table frame 4 through a motor mounting plate 5, the rotating wheel 10 is arranged on a rotating shaft of the lifting motor 13, the rope belt 3 is wound on the rotating wheel 10, one end of the rope belt 3 is connected with the balancing weight 11, the other end of the rope belt 3 is connected with the base tray 14, and the base tray 14 is connected with the base 9. The upper end of the power conversion table frame 4 is provided with a clamping mechanism 6, the rope belt 3 passes through the clamping mechanism 6, and the clamping mechanism 6 is controlled by a control system to clamp or unclamp the rope belt 3. The clamping mechanism 6 is used for locking the belt 3 and controlling the start and stop of the up-and-down movement.
Referring to fig. 9, the battery conveying device on the battery tray 1 includes a roller 2, a motor controller and a synchronous driving belt, the control system controls the motor to drive the roller 2 to rotate forward or backward through the synchronous driving belt by the motor controller, so as to push the battery 26 to move out of or be led into the battery tray 1. The battery tray 1 comprises a bottom surface and three side surfaces, one end of the battery tray is a battery outlet, and stainless steel patches 1.1 are arranged on the inner surfaces of the two side surfaces close to the battery outlet, so that the resistance of the battery 26 in and out can be reduced. The two sides of the battery outlet end are bent outwards to facilitate the entrance of the battery 26.
The battery moving device arranged in the charging position 25.1 comprises a roller, a motor controller and a synchronous transmission belt, wherein the motor is controlled by the control system through the motor controller to drive the roller to rotate forwards or reversely through the synchronous transmission belt, so that the battery 26 is pushed to move out of or be led into the charging position 25.1. The battery locking mechanism 25.2 is provided at the charging position 25.1, and the control system controls the opening and closing of the battery locking mechanism 25.2. A battery 26 is arranged in a charging position 25.1 of the electric automobile battery changing cabinet 25, and a connector plug 26.2 of the battery 26 is spliced with a battery charging socket in the charging position 25.1.
The casing 26.1 of the battery 26 is rectangular parallelepiped, one end of the casing 26.1 provided with the connector socket 26.5 is provided with the inner groove 26.4, the connector socket 26.5 is arranged in the inner groove 26.4, the connector plug 26.2 and the connector socket 26.5 are connected through a circuit in the casing 26.1, each of four corners of the casing 26.1 is provided with a rotating wheel seat 26.6, and the rotating wheel 26.3 is mounted on the rotating wheel seat 26.6. The effect of the rotating wheel 26.3 makes the battery 26 more smoothly enter and exit the battery compartment 27, and the abrasion or the clamping phenomenon of the battery 26 is not easy to occur.
The invention further provides an electric automobile 28, wherein the electric automobile 28 comprises an automobile body, a chassis, an electric driving system, a cab and an automobile control system, the electric driving system comprises a battery compartment 27, the battery compartment 27 is fixed at the lower part of the chassis of the electric automobile, the battery compartment 27 is a rectangular cavity, one end of the rectangular cavity is provided with a battery inlet and outlet 27.1, the inner side of the other end of the rectangular cavity is provided with a battery connector socket 27.2, and an automatic battery pushing-out and guiding-in device is arranged in the rectangular cavity of the battery compartment 27. The battery inlet and outlet of the battery compartment 27 is directed to the front, rear or side of the electric vehicle (in this embodiment, the battery inlet and outlet of the battery compartment 27 is directed to the front of the electric vehicle), and the vehicle control system controls the automatic pushing-out and guiding-in device of the battery in the battery compartment 27 to operate, and conveys out the battery 26 or guides in the battery 26.
The automatic battery pushing-out and leading-in device in the battery bin 27 comprises a roller 27.2, a motor controller and a synchronous drive belt which are arranged on the bottom surface of the rectangular cavity, at least one battery 26 is placed in the battery bin 27, the battery 26 is connected with a connector socket 26.5 in the battery bin 27 through a connector plug 26.2, and each battery 26 is connected with the connector socket 26.5 in series or in parallel in an end-to-end plug mode through the connector plug 26.2.
As shown in fig. 7, in the use state of the electric vehicle battery-changing cabinet 25, the battery-changing conversion table is arranged at the middle position in the cabinet body, and charging positions 25.1 with a multilayer structure are arranged at two sides.
As shown in fig. 8, the electric vehicle 28 reaches the battery inlet and outlet of the electric vehicle battery-changing cabinet 25, and the battery tray 1 is docked with the battery compartment 27 having the battery driving device, so that the battery 26 is replaced.
Referring to fig. 10-12, an embodiment of a power exchanging method of the above-mentioned electric vehicle shared battery system according to the present invention includes the following steps:
(1) The electric automobile 28 runs in front of the electric automobile power conversion cabinet 25 and stops after a short distance, and a user sends in-car battery information to a control system of the electric automobile power conversion cabinet 25;
(2) The control system of the electric automobile battery changing cabinet 25 receives the battery information in the automobile and then forwards the information to the central server 1, the central server 1 searches the battery information stored in the central server, verifies whether the battery is legal or not, and sends the result to the control system of the electric automobile battery changing cabinet 25;
(3) If the battery is illegal, the control system of the electric vehicle battery changing cabinet 25 sends verification failure information to the electric vehicle 28, and the electric vehicle 28 displays prompt information of verification failure; if the battery is legal, the control system of the electric automobile battery changing cabinet 25 sends a battery taking preparation instruction to the battery changing conversion table, and the battery changing conversion table runs to a battery inlet and outlet of a battery cabin of the electric automobile 28;
(4) The control system of the electric automobile battery changing cabinet 25 sends a battery changing readiness instruction to the electric automobile 28, the automobile control system of the electric automobile 28 sends a discharging instruction to the battery compartment 27, the battery in the battery compartment 27 is automatically pushed out and led in by the device to send the battery 26 with the power shortage out of the battery inlet and outlet, and the battery 26 with the power shortage is received by the battery changing conversion table in the electric automobile battery changing cabinet 25 from the battery inlet and outlet;
(5) The electric automobile 28 sends a battery discharging command to the control system of the electric automobile battery changing cabinet 25, and the control system of the electric automobile battery changing cabinet 25 sends the battery command to the battery changing conversion table, and the battery changing conversion table conveys the battery with the power shortage to the empty charging bin 27 for charging;
(6) The control system of the electric automobile battery changing cabinet 25 reads battery information and sends the battery information to the central server 1, the central server 1 modifies the battery information and sends new state information of the battery to the control system of the electric automobile battery changing cabinet 25;
(7) The control system of the electric automobile battery changing cabinet 25 sends a battery command to the battery changing conversion table, and the battery changing conversion table takes out the full-charged battery from the charging position 25.1 and sends the full-charged battery to the battery inlet and outlet 27.3 of the battery cabin of the electric automobile 28;
(8) The control system of the electric automobile battery changing cabinet 25 sends a battery compartment entering ready instruction to the electric automobile 28, the automobile control system of the electric automobile 28 sends a compartment entering instruction to the battery compartment 27, and the battery automatic pushing-out and leading-in device of the battery compartment 27 leads the full-power battery 26 into the battery compartment 27; the electric automobile 28 sends a warehouse entering completion instruction to the control system of the electric automobile power changing cabinet 25;
(9) The control system of the electric automobile power conversion cabinet 25 sends information of the in-cabin battery to the central server 1, the central server 1 modifies the information of the in-cabin battery and sends the information to the control system of the electric automobile power conversion cabinet 25, and the control unit of the electric automobile power conversion cabinet 25 sends a return instruction to the power conversion platform and the electric automobile 28, and the power conversion platform returns to the initial position; and (5) finishing the electricity exchange.
Further, the electric vehicle 28 is in communication with the electric vehicle battery-changing cabinet 25 through a network connection or directly establishes wireless connection between a user smart phone or an automobile control system.
Still further, when the control command is exchanged through wireless connection communication, the electric automobile 28 and the electric automobile power changing cabinet 25 are controlled to complete the exchange of the power shortage battery in the electric automobile 28 and the full battery in the electric automobile power changing cabinet 25, and the wireless connection is automatically disconnected after the electric automobile 28 is far away from the electric automobile power changing cabinet 25, and the wireless connection comprises wifi, zigBee, Z-Wave, bluetooth or RF wireless communication.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to such embodiments, variations, modifications, additions and substitutions are within the scope of the invention.
Claims (3)
1. The electric automobile shared battery system comprises an electric automobile power conversion cabinet, batteries for the electric automobile and a central server, and is characterized in that the electric automobile power conversion cabinet comprises a cabinet body, a plurality of charging positions for charging the batteries, a charging circuit and a control system, wherein the control system comprises an identification reading device for identifying battery ID and a communication module, a charging socket is arranged in the charging position, and a replacement electric conversion table or a manipulator is arranged in the cabinet body;
one end of the shell of the battery is provided with a connector plug, the other end of the shell of the battery is provided with a connector socket, and the battery is provided with an electronic tag with unique ID and a communication module;
the central server stores battery information of the battery, and the central server and the electric automobile battery-changing cabinet realize network communication;
the battery charging and discharging device comprises a cabinet body, and is characterized in that a battery inlet and outlet is formed in the front face of the cabinet body, the battery charging and discharging conversion table comprises a battery charging and discharging conversion table frame, a base, a battery tray and a battery tray driving mechanism, the base is provided with the battery tray driving mechanism and the battery tray, the battery tray is provided with a battery conveying device, the base is movably connected with the battery charging and discharging conversion table frame, the battery charging and discharging conversion table frame is provided with a base lifting driving device, the control system controls the base lifting driving device to drive the base to lift, the battery tray driving mechanism is controlled by the control system to drive the battery tray to rotate, longitudinally move and transversely move, and the battery conveying device of the battery tray is controlled by the control system to automatically receive a battery lack to be conveyed to the battery inlet and outlet and discharge to an idle charging position for charging, and to receive a full battery conveyed from the charging position and convey the battery inlet and outlet;
the shell of the battery is cuboid, an inner groove is formed in one end of the shell, provided with a connector socket, the connector socket is arranged in the inner groove, the connector plug is connected with the connector socket through a circuit in the shell, and a rotating wheel is arranged on the side surface or/and the top surface of the shell; the battery is arranged in the charging position of the electric automobile battery changing cabinet, and a connector plug of the battery is spliced with a battery charging socket in the charging position;
the electric automobile sharing battery system further comprises an electric automobile, the electric automobile comprises an automobile body, a chassis, an electric driving system, a cab and an automobile control system, the electric driving system comprises a battery compartment, the battery compartment is fixed at the lower part of the chassis, the battery compartment is a rectangular cavity, one end of the battery compartment is a battery inlet and outlet, the inner side of the other end of the battery compartment is provided with a battery connector socket, and an automatic battery pushing-out and leading-in device is arranged in the rectangular cavity; the battery inlet and outlet of the battery compartment faces the front, the rear or the side of the electric automobile; the automobile control system controls the automatic pushing-out and leading-in device of the battery in the battery compartment to act;
the automatic pushing-out and leading-in device of the battery in the battery bin comprises a roller, a motor controller and a synchronous transmission belt which are arranged on the bottom surface of the rectangular cavity, wherein at least one battery is placed in the battery bin and is connected with a battery connector socket in the battery bin through a connector plug, and each battery is connected with the connector socket in series or in parallel through the connector plug in an end-to-end inserting manner;
the battery tray driving mechanism comprises a longitudinal moving guide rail arranged on the base, a longitudinal moving slide block is arranged on the bottom surface of a transverse moving mechanism mounting plate, the longitudinal moving slide block is arranged on the longitudinal moving guide rail, a longitudinal driving device consisting of a first motor, a first speed reducer and a first screw rod is arranged on the base, and the longitudinal driving device drives the transverse moving mechanism mounting plate to move along the longitudinal moving guide rail; the device comprises a transverse moving mechanism mounting plate, a transverse moving guide rail, a transverse driving device, a transverse moving slide block, a rotary table, a battery tray and a rotary driving motor, wherein the transverse driving device is formed by a second motor, a second speed reducer and a second screw rod;
the power conversion table frame is a square frame, 4 sliding rods are vertically arranged in the square frame, the base is provided with a square frame, the 4 corners of the square frame are respectively provided with an up-down moving sliding block, and the 4 up-down moving sliding blocks are respectively sleeved on the 4 sliding rods; the base lifting driving device comprises a lifting motor, a rotating wheel, a rope belt, a base tray and a balancing weight, wherein the lifting motor is fixed at the upper end of the power conversion table frame through a motor mounting plate, the rotating wheel is arranged on a rotating shaft of the lifting motor, the rope belt is wound on the rotating wheel, one end of the rope belt is connected with the balancing weight, the other end of the rope belt is connected with the base tray, and the base tray is connected with the base;
the power conversion method for sharing the battery system by the electric automobile comprises the following steps:
(1) The electric automobile stops after running to the front of the electric automobile battery changing cabinet at a relatively short distance, and a user sends in-car battery information to a control system of the electric automobile battery changing cabinet;
(2) The control system of the electric automobile battery changing cabinet receives the battery information in the automobile and then forwards the information to the central server, the central server searches the battery information stored in the central server, verifies whether the battery is legal or not, and sends the result to the control system of the electric automobile battery changing cabinet;
(3) If the battery is illegal, the control system of the electric vehicle battery changing cabinet sends verification failure information to the electric vehicle, and the electric vehicle displays prompt information of verification failure; if the battery is legal, the control system of the electric automobile battery changing cabinet sends a battery taking preparation instruction to the battery changing conversion table, and the battery changing conversion table operates to a battery inlet and outlet of a battery cabin of the electric automobile;
(4) The control system of the electric automobile battery changing cabinet sends a battery changing readiness instruction to the electric automobile, the automobile control system of the electric automobile sends a discharging instruction to the battery compartment, the battery in the battery compartment is automatically pushed out and led in to send out a battery with a power shortage out of a battery inlet and a battery outlet, and the battery with the power shortage is received by the battery changing conversion table in the electric automobile battery changing cabinet from the battery inlet and the battery outlet;
(5) The method comprises the steps that an electric automobile sends a battery discharging command to an electric automobile battery changing cabinet control system, the electric automobile battery changing cabinet control system sends a battery command which is obtained to a battery changing conversion table, and the battery changing conversion table conveys a battery which is out of charge to an empty charging bin for charging;
(6) The control system of the electric automobile battery changing cabinet reads battery information and sends the battery information to the central server, and the central server modifies the battery information and sends new state information of the battery to the control system of the electric automobile battery changing cabinet;
(7) The control system of the electric automobile battery changing cabinet sends a battery command to the battery changing conversion table, and the battery changing conversion table takes out the full-power battery from the charging position and sends the full-power battery to the battery inlet and outlet of the battery cabin of the electric automobile;
(8) The control system of the electric automobile battery changing cabinet sends a ready instruction for entering a battery compartment of the electric automobile, the automobile control system of the electric automobile sends a compartment entering instruction to the battery compartment, and the battery automatic pushing-out and leading-in device of the battery compartment leads the full-power battery into the battery compartment; the electric automobile sends a command of finishing entering a bin to a control system of an electric automobile battery changing cabinet;
(9) The control system of the electric automobile power conversion cabinet sends information of the in-cabin battery to the central server, the central server modifies the information of the in-cabin battery and sends the information to the control system of the electric automobile power conversion cabinet, and the control unit of the electric automobile power conversion cabinet sends a return instruction to the power conversion platform and the electric automobile, and the power conversion platform returns to the initial position; and (5) finishing the electricity exchange.
2. The electric vehicle shared battery system according to claim 1, wherein the electric vehicle adopts a user smart phone or an automobile control system to communicate with an electric vehicle battery-changing cabinet through network connection or directly establish wireless connection communication.
3. The electric vehicle shared battery system according to claim 2, wherein when the control command is exchanged through wireless connection communication, the electric vehicle and the electric vehicle battery changing cabinet are controlled to complete the exchange of the power-failure battery in the electric vehicle and the full-charge battery in the electric vehicle battery changing cabinet, and the wireless connection is automatically disconnected after the electric vehicle is far away from the electric vehicle battery changing cabinet, wherein the wireless connection comprises wifi, zigBee, Z-Wave, bluetooth or RF wireless communication.
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| CN201811260917.XA CN109278722B (en) | 2018-10-26 | 2018-10-26 | Electric automobile shared battery system and power conversion method |
| PCT/CN2019/098223 WO2020082841A1 (en) | 2018-10-26 | 2019-07-29 | Electric car battery sharing system and battery swapping method |
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| CN201811260917.XA CN109278722B (en) | 2018-10-26 | 2018-10-26 | Electric automobile shared battery system and power conversion method |
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| CN111162328B (en) * | 2019-07-24 | 2021-07-02 | 上海钧正网络科技有限公司 | Method and system for replacing battery for vehicle |
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| CN111497648B (en) * | 2020-04-24 | 2021-06-15 | 江阴市威豪电器有限公司 | Application method of intelligent shared battery system |
| CN112290614B (en) * | 2020-09-29 | 2022-09-13 | 北京电满满商信充科技有限公司 | Electricity changing cabinet and electricity changing method |
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