CN101976731A - Electric vehicle battery replacement device and battery replacement system - Google Patents

Abstract

The invention relates to a battery replacement device suitable for electric passenger vehicles, comprising: a battery box turntable group, including a plurality of battery box turntables arranged in a row, and the battery box turntable can rotate at a preset angle based on its own axis; Putting equipment, located between the battery box turntable group and the charging rack; electric passenger vehicle battery pick-and-place equipment, located between the electric passenger car and the battery box turntable group. The invention also relates to a power changing system comprising a battery changing device. The battery replacement device of the present invention uses two kinds of battery pick-and-place devices to cooperate with the turntable, so that the replacement of the battery box of the electric passenger car is smoother. The whole battery replacement process is smooth and the replacement time is short. Because the efficiency of battery replacement is improved, more battery replacements can be completed per unit time, and the battery replacement cycle is shorter, so that the charger can be fully charged. rate is higher.

Description

Electric passenger car battery replacement device and battery replacement system

technical field

The invention relates to the field of energy technology utilization, in particular to a battery replacement device and a battery replacement system suitable for electric passenger vehicles. the

Background technique

As an important part of the new energy strategy and smart grid, and one of the strategic emerging industries identified by the State Council, electric vehicles will gradually become the focus of the development of China's automobile industry and energy industry. In the process of commercialization and industrialization of electric vehicles, especially electric passenger vehicles, how to supply energy to electric passenger vehicles is an extremely important factor. A perfect energy supply system will provide a very important support. the

The number of battery boxes in electric passenger vehicles is small, most of which are 4 sets, but due to the limited space of electric passenger vehicles, the installation positions of batteries often vary greatly, and the installation space is narrow. However, the battery replacement facilities that have been built so far are relatively large, and the battery replacement method used is very difficult for electric passenger vehicles to load and unload the battery, and the positioning error is also relatively large, resulting in a longer time for replacing the battery box. For battery exchange facilities, due to the long turnover period of the batteries of electric passenger vehicles, the utilization rate of the chargers is relatively low. the

Contents of the invention

The purpose of the present invention is to propose a battery replacement device and battery replacement system suitable for electric passenger vehicles, which can make the battery replacement process smoother, improve battery replacement efficiency, and save manpower and material resources. the

To achieve the above purpose, the present invention provides a battery replacement device suitable for electric passenger vehicles, including:

The battery box turntable group includes a plurality of battery box turntables arranged in a row, and the battery box turntable can rotate at a preset angle based on its own axis;

Charging rack battery pick-and-place equipment, set between the battery box turntable group and the charging rack, used to grab a fully charged battery box from the charging rack, and place the battery box on the battery box turntable , and grab the battery box to be charged from the battery box carousel, and place the battery box on the charging rack;

Electric passenger car battery pick-and-place equipment, located between the electric passenger car and the battery box turntable group, used to take out the battery box to be charged from the battery compartment of the electric passenger car, and place the battery The battery box is placed on the battery box turntable, and a fully charged battery box is taken out from the battery box turntable, and the battery box is put into the battery compartment of the electric passenger car. the

Further, the charging rack battery pick-and-place equipment includes slide rails, industrial robots, battery box fixtures, battery box push-pull mechanisms and drive systems;

The slide rail is arranged parallel to the charging stand, and the industrial robot is arranged on the slide rail and can slide along the slide rail;

The battery box clamp is installed on the manipulator of the industrial robot, and can perform clamping action on the battery box;

The battery box push-pull mechanism is connected to the battery box fixture, and can perform a push-pull action on the battery box;

The drive system receives instructions from the console to drive the industrial robot, the battery box clamp and the battery box push-pull mechanism. the

Further, the industrial robot includes a base, a mechanical arm and a manipulator;

The base is arranged on the slide rail, and the mechanical arm is installed on the base, performs rotation and/or lifting action according to the received action command of the drive system, and drives the manipulator to move to the set position and angle. the

Further, the charging stand battery pick-and-place device also includes a console for issuing console commands, and the console is connected to the driving system. the

Further, the electric passenger car battery pick-and-place equipment includes a wheeled movable base, a power-assisted manipulator, a battery box fixture, a battery box push-pull mechanism and a drive system;

The wheeled movable base can adjust the position of the electric passenger car battery pick-and-place device according to the parking position of the electric passenger car, the power-assisted manipulator is set on the wheeled movable base, and the battery The box clamp is located at the end of the power-assisted manipulator, which can perform clamping action on the battery box;

The power-assisted manipulator executes rotation and/or lifting actions according to the action instructions received from the drive system, and drives the battery box fixture to move to the set position and angle;

The battery box push-pull mechanism is connected to the battery box fixture, and can perform a push-pull action on the battery box;

The drive system receives instructions from the console to drive the power-assisted manipulator, the battery box clamp and the battery box push-pull mechanism. the

Further, the electric passenger car battery pick-and-place device also includes a console for issuing console commands, and the console is connected to the drive system. the

Further, a locking structure is also provided on the power-assisted manipulator, which is used to limit the lift or rotation of the power-assisted manipulator. the

In order to achieve the above purpose, the present invention provides a battery replacement system including any of the aforementioned battery replacement devices, further comprising:

The power supply unit is used to provide power for the entire power exchange system;

The charging unit is used to charge the battery box and put the fully charged battery into the battery replacement sequence;

The monitoring communication unit is connected with the power supply unit, the charging unit and the battery replacement device through the controller LAN bus, and is used to receive the operation data of the monitored object in real time, and realize the storage, processing, display, query and alarm functions of the operation data. the

Further, the power supply unit specifically includes:

The AC incoming cabinet is used to connect two AC power sources from the outside and switch the two AC power sources;

The AC feeder cabinet is used to distribute the AC power of the AC incoming cabinet and lead it into the charging system. the

Further, the charging unit specifically includes:

Charging stand for placing multiple battery boxes;

The charging cabinet includes a plurality of chargers for charging the battery boxes on the charging stand. the

Further, the charging unit also includes:

The smoke alarm unit is used to detect smoke caused by overcharging or short circuit of the battery box in the charging stand, and report an alarm signal to the monitoring communication unit. the

Further, the charging unit also includes:

The battery information reading module is used to read the battery data recorded by the battery management system in the battery box;

The charging stop module is used to stop the charging operation of the charger according to the battery failure information sent by the battery management system. the

Further, the charging unit also includes:

The charging selection module is used to choose not to charge or select the charging method of constant current and then constant voltage when the battery data recorded by the battery management system in the battery box cannot be read. the

Further, the charging unit also includes:

Charging status indicator module, used to display the charging status of each battery box on the charging stand;

A fault alarm module, configured to send fault alarm information to the monitoring communication unit;

The battery information reporting module is used to transmit the battery data sent by the battery management system of each battery box to the monitoring communication unit. the

Further, the monitoring communication unit includes:

The data processing module is used to receive the operating data of the monitored object in real time, and realize the storage, processing, display, query and alarm functions of the operating data;

The remote control module is used to schedule the battery replacement sequence and electric passenger vehicles, and to remotely control the battery replacement device and charging unit;

The data forwarding module is used to forward the operation data to the dispatching center at the upper layer. the

Based on the above technical solution, the battery replacement device of the present invention uses two kinds of battery pick-and-place devices to cooperate with the turntable, so that the replacement of the battery box of the electric passenger car is smoother, and the battery pick-and-place equipment of the electric passenger car fully takes into account the characteristics of the electric passenger car. Due to the characteristics of narrow space and large differences in battery placement, the power-assisted manipulator is used to successfully complete the pick-and-place of the battery box in the narrow space. The whole battery replacement process is smooth and the replacement time is short. Because the efficiency of battery replacement is improved, more battery replacements can be completed per unit time, and the battery replacement cycle is shorter, so that the charger can be fully charged. rate is higher. the

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present invention and constitute a part of the application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention. In the attached picture:

FIG. 1 is a schematic structural diagram of an embodiment of the battery swapping system of the present invention. the

Fig. 2 is a schematic structural diagram of a power supply unit in an embodiment of the power exchange system of the present invention. the

Fig. 3 is a schematic structural diagram of a charging unit in an embodiment of the battery swapping system of the present invention. the

Fig. 4 is a schematic diagram of the monitoring and communication connection of the monitoring and communication unit in the embodiment of the power exchange system of the present invention. the

FIG. 5 is a schematic flowchart of a battery swap process in an embodiment of the battery swap system of the present invention. the

Fig. 6 is a schematic plan layout of a power changing station of the power changing system of the present invention. the

Fig. 7 is a schematic structural diagram of the battery pick-and-place equipment of the charging rack in the embodiment of the battery replacement device of the present invention. the

Fig. 8 is a schematic structural view of the electric passenger car battery pick-and-place device in the embodiment of the battery replacement device of the present invention. the

FIG. 9 is a schematic flow chart of a battery replacement process in an embodiment of the battery replacement device of the present invention. the

Fig. 10 is a schematic flow diagram of the battery pick-and-place equipment for electric passenger vehicles in the embodiment of the battery replacement device of the present invention. the

Detailed ways

The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. the

As shown in FIG. 1 , it is a schematic structural diagram of an embodiment of the battery swapping system of the present invention. In this embodiment, the power exchange system includes a power supply unit 1 , a charging unit 2 , a battery exchange device 3 and a monitoring communication unit 4 . Among them, the power supply unit 1 is responsible for providing power for the entire power exchange system. The charging unit 2 is responsible for charging the battery box that can be used by the electric passenger car, and putting the fully charged battery box into the battery replacement sequence. The battery replacement sequence here refers to the information of a plurality of fully charged battery boxes as an alternative to replace the battery box. the

The monitoring communication unit 4 is connected to the power supply unit 1, the charging unit 2, and the battery replacement device 3 through the Controller Area Network (CAN) bus, and the monitoring communication unit 4 performs the power supply unit 1, the charging unit 2, and the battery replacement device 3. Monitor and control, and receive the operating data of the monitored object in real time, and realize the storage, processing, display, query and alarm functions of the operating data. the

As shown in FIG. 2 , it is a schematic structural diagram of a power supply unit in an embodiment of the power exchange system of the present invention. The power supply unit 1 specifically includes: an AC incoming cabinet 11 and an AC feeder cabinet 12 . The power supply unit 1 introduces two AC power sources (such as three-phase five-wire system AC380V, etc.) from the outside, and the two AC power sources serve as backups for each other. The AC incoming cabinet 11 is responsible for connecting the two AC power sources from the outside and switching the two AC power sources. The AC feeder cabinet 12 is responsible for distributing the AC power of the AC incoming cabinet 11 and introducing it into the charging system 2 . The AC feeder cabinet 12 can distribute AC power to every two charging cabinets. The power supply unit 1 not only provides power for the charging unit, but also provides working power for the battery replacement device 3 and the monitoring communication unit 4 . the

As shown in FIG. 3 , it is a schematic structural diagram of the charging unit in the embodiment of the battery swapping system of the present invention. The charging unit 2 may specifically include a charging rack 21 and a charging cabinet 22, and multiple battery boxes may be placed on the charging rack 21, including battery boxes to be charged and fully charged battery boxes. The battery box in the battery replacement sequence will be replaced into the electric passenger car during the battery replacement process, and the battery in the electric passenger car will be placed on the charging stand 21 to wait for charging during the battery replacement process. the

The charging cabinet 22 includes multiple chargers, and these chargers are responsible for charging the battery boxes on the charging stand 21 . DC charging is usually used for charging, and AC power needs to be rectified to obtain DC working power. the

Considering that the battery box in the charging rack 21 may be overcharged or short-circuited, or even burn in severe cases, in order to detect this serious situation in time, a smoke alarm unit can be installed in the charging rack to detect the charging rack. Smoke caused by overcharging or short circuit in the battery box in the battery box, and report an alarm signal to the monitoring communication unit 4. the

In another embodiment, the charging unit 2 can also communicate with a battery management system (Battery Management System, BMS for short) in the battery box, so as to perform finer control on the charging process of the battery box. The charging unit 2 may include a battery information reading module, which is responsible for reading the battery data recorded by the battery management system in the battery box. The charging unit may also include a charging stop module, responsible for stopping the charging operation of the charger according to the battery failure information sent by the battery management system. the

If there is a circuit or interface failure in the battery management system of the battery box, or the information exchange process with the charging unit 2 is unable to read the battery data recorded by the battery management system due to protocol and other reasons, then the Under certain circumstances, a charging selection module can be set in the charging unit 2 to select whether to charge, and the charging strategy, such as choosing a charging method of constant current and then constant voltage, to ensure that the total voltage of the battery box does not exceed the specified upper limit. the

In other embodiments, the charging unit 2 may also include a charging state indication module, a fault warning module, or a battery information reporting module according to requirements, and is not limited to these modules. The charging status indicating module is responsible for displaying the charging status of each battery box on the charging rack 21 . The fault alarm module is responsible for sending fault alarm information to the monitoring communication unit 4 . The battery information reporting module is responsible for transmitting the battery data sent by the battery management system of each battery box to the monitoring communication unit 4 . the

As shown in FIG. 4 , it is a schematic diagram of the monitoring and communication connection of the monitoring and communication unit in the embodiment of the power exchange system of the present invention. The monitoring communication unit 4 is connected to the chargers in each charging cabinet through the CAN bus, and the smoke alarm unit is also connected to the monitoring communication unit 4 through the CAN bus. The relevant control commands of the monitoring communication unit 4 can be converted through the protocol converter, and the console command can be sent to the battery replacement device 2 . the

The monitoring communication unit 4 may specifically include: a data server 41 , a monitoring workstation 42 and a WEB server 43 . The data server 41 is responsible for receiving the operating data of the monitored object in real time, and realizes the storage, processing, display, query and alarm functions of the operating data. The monitoring workstation 42 is responsible for dispatching the battery replacement sequence and electric passenger vehicles, and remotely controlling the battery replacement device and charging unit. The WEB server 43 is responsible for forwarding the operation data to the dispatching center of the upper layer. the

An example of a battery swap process is given below based on the foregoing description of the battery swap system embodiment, as shown in FIG. 5 , which is a schematic flow chart of a battery swap process in the battery swap system embodiment of the present invention. The battery replacement process can be completed at the battery replacement station shown in Figure 6. In Figure 6, due to the small size of the electric passenger car, the batteries of multiple electric passenger cars can be replaced at the same time, and the monitoring communication unit According to the location of the battery compartment of the electric passenger car, the electric passenger car can be dispatched to be parked at a station suitable for battery replacement, and the battery compartment faces the direction of the turntable. A charging stand and a charging cabinet are arranged on the side opposite to the battery compartment of the electric passenger car. Between the charging cabinet and the electric passenger car is a charging rack and battery box carousel set 200 . Between the battery box carousel set 200 and the charging stand, a charging stand battery pick-and-place device 100 is provided, and between the electric passenger car and the battery box turntable set 200 , an electric passenger car battery pick-and-place device 300 is set. The replacement process includes:

Step S101, the electric passenger vehicle enters the battery replacement area according to the instruction. the

Step S102 , since the electric passenger car has made a battery replacement request, the monitoring communication unit monitors the electric passenger car, and reads the vehicle information of the electric passenger car through the vehicle information identification device. the

Step S103 , the monitoring and communication unit prepares the battery replacement sequence for the battery box used in this battery replacement according to the vehicle information and the battery information of the battery boxes that have been included in the battery replacement sequence. the

Step S104 , after determining the battery replacement sequence, the monitoring and communication unit issues a dispatch command to instruct the electric passenger car to be parked at a location convenient for battery replacement. After the electric passenger car is in place, open the battery compartment door to prepare for battery replacement. the

Step S105, turning off the high and low voltage power supply of the electric passenger vehicle. the

Step S106, the battery replacement device takes out the battery box to be replaced in the battery box and unloads it to the battery box carousel group. the

Step S107, the battery replacement device loads the fully charged battery box obtained from the battery box turntable group into the battery compartment. the

Step S108, check whether all the battery boxes have been replaced, if not, return to step S106 to continue replacing, otherwise execute step S109. the

Step S109, the monitoring and communication unit records the vehicle replacement information of the electric passenger vehicle through the vehicle information identification device. the

Step S110, the electric passenger car leaves the battery replacement area after completing the battery replacement process. the

Step S111, the turntable on which the battery pack to be charged is placed rotates 180 degrees, and the battery replacement device obtains the battery pack to be charged from the battery pack turntable and places it on the charging stand;

Step S112, the charging unit communicates with the BMS in the replaced battery box, reads out the battery data, and transmits the battery data to the monitoring communication unit, and the monitoring communication unit judges whether the battery is faulty, and if so, executes step S113, Otherwise, execute step S115. the

Step S113, send the faulty battery box to the maintenance room for fault diagnosis and maintenance, and record the fault information. the

Step S114, send the repaired battery to the charging stand to enter the normal charging procedure, and then execute step S116. the

Step S115, if the monitoring and communication unit analyzes that the battery box is normal and there is no fault, enter into a normal charging procedure, and the battery box is charged by the charger. the

Step S116, the fully charged battery box enters the battery replacement sequence;

Step S117, the battery replacement device takes out the fully charged battery box from the charging stand, and puts it on the battery box turntable. the

Through the above battery replacement process, it can be seen that the whole process of battery replacement is very comfortable. The use of manipulators and turntables realizes the streamlined battery replacement, thereby improving the efficiency of battery replacement and greatly shortening the replacement cycle. land is used, and the utilization rate is higher. the

An embodiment of the battery replacement device of the present invention mainly includes a battery box turntable group, a battery pick-and-place device for a charging rack, and a battery pick-and-place device for an electric passenger vehicle. It can be seen from FIG. 6 that the battery box turntable set 200 includes a plurality of battery box turntables arranged in a row, and each battery box turntable can rotate at a preset angle based on its own axis. the

The battery pick-and-place device 100 for the charging stand is located between the battery case turntable group 200 and the charging stand, and is responsible for grabbing a fully charged battery case from the charging stand, placing the battery case on the battery case turntable, and grabbing the battery case from the battery case turntable. Take the battery box to be charged and place the battery box on the charging stand. Refer to FIG. 7 for the specific structure of the charging stand battery pick-and-place device 100 . the

Electric passenger car battery pick-and-place equipment 300 is set between the electric passenger car and the battery box turntable group 200, responsible for taking out the battery box to be charged from the battery compartment of the electric passenger car, and placing the battery box on the battery box turntable , and take out the fully charged battery box from the battery box turntable, and put the battery box into the battery compartment of the electric passenger car. Refer to Figure 8 for the specific structure of the electric passenger vehicle battery pick-and-place equipment. the

The specific structure of the battery pick-and-place equipment of the charging stand in the embodiment of the battery replacement device of the present invention will be described in detail below with reference to FIG. 7 . In this embodiment, the charging stand battery pick-and-place device 100 includes a slide rail 101 , an industrial robot 110 , a battery box clamp 102 , a battery box push-pull mechanism 103 and a drive system (not shown). The slide rail 101 is arranged in parallel with the charging rack, and the industrial robot 110 is arranged on the slide rail 101 and can slide along the slide rail 101 in a direction parallel to the charging rack. The battery box clamp 102 is installed on the manipulator 113 of the industrial robot 110 to perform clamping action on the battery box. The battery box push-pull mechanism 103 is connected with the battery box clamp 102, and can push and pull the battery box. The driving system is responsible for receiving instructions from the console to drive the industrial robot 110 , the battery box clamp 102 and the battery box push-pull mechanism 103 . the

The industrial robot can be a robot commonly used in the industry at present. The realization structure of an industrial robot is shown in FIG. The base 111 is arranged on the slide rail 101, and the mechanical arm 112 is installed on the base 111. The mechanical arm 112 includes a plurality of joints, which can rotate or swing, and perform rotation and/or lifting actions according to the action instructions received from the drive system, and drive the The manipulator 113 is moved to a set position and angle, so that the battery box clamp 102 can be positioned at an accurate position to obtain the battery box on the charging stand. the

The console command received by the battery pick-and-place device of the charging rack can be directly issued by the monitoring communication unit, or it can be received directly from the console 104 provided internally or according to the control command of the monitoring communication unit. Station 104 is connected to the drive system. the

The specific structure of the electric passenger car battery pick-and-place device in the embodiment of the battery replacement device of the present invention will be described in detail below with reference to FIG. 8 . In this embodiment, the battery pick-and-place equipment 300 for electric passenger vehicles is designed in consideration of the characteristics of electric passenger vehicles. To be able to accurately pick and place the battery box, the electric passenger car battery pick and place equipment 300 adopts a position-adjustable power-assisted manipulator structure, so as to improve the success rate of battery pick and place and replacement efficiency. the

The electric passenger car battery pick-and-place device 300 may include the following parts: a wheeled movable base 301 , a power-assisted manipulator 302 , a battery box clamp 303 , a battery box push-pull mechanism 304 and a drive system (not shown). The wheeled movable base 301 includes a wheeled structure, which can be moved conveniently on the ground, so as to adjust the position of the electric passenger car battery pick-and-place device 300 according to the parking position of the electric passenger car. The power-assisted manipulator 302 is located on the wheeled movable base 301 . A battery box clamp 303 can be installed at the end of the power-assisted manipulator 302 for clamping the battery box. The end of the power-assisted manipulator 302 can be adjusted in height and stretching distance as required, so as to move the battery box as far as possible without changing the height, so that the operation is more labor-saving. the

The power-assisted manipulator 302 can perform rotation and/or lifting actions according to the received action commands of the drive system, and drive the battery box fixture 303 to move to a set position and angle. The battery box push-pull mechanism 304 is connected with the battery box clamp 303, and can push and pull the battery box. The drive system can drive the power-assisted manipulator 302 , the battery box clamp 303 and the battery box push-pull mechanism 304 according to the console instructions received. the

Considering that the electric passenger car may not be parked in a good location, or the location of the battery compartment is relatively special, and it is difficult to take it out and put it in smoothly, at this time, technicians can use the console provided in the electric passenger car battery pick-and-place device 300 to directly Control for a smooth and smooth battery box replacement process. The console is connected with the drive system and can send console commands to the drive system. the

Considering the stability of the action of the power-assisted manipulator 302 and the safety of use, a locking structure 305 can also be provided on the power-assisted manipulator 302 to limit the lifting or rotating motion of the power-assisted manipulator 302 . the

A battery replacement process of the embodiment of the battery replacement device of the present invention will be given below in order to illustrate the working relationship of each mechanism in the foregoing battery replacement device embodiment. As shown in FIG. 9 , it is a schematic flow chart of the battery pick-and-place equipment for the charging stand in the embodiment of the battery replacement device of the present invention. In this embodiment, the working process of picking up and placing the battery box by the charging rack battery pick-and-place device includes taking the battery box from the charging rack and putting it on the battery box turntable 1 and taking the battery box from the battery box turntable 2 and putting it on the charging rack. steps, including:

Step S201 , driving the mechanical arm of the industrial robot to rotate and lift, so that the manipulator is docked with the charging stand, and the battery box clamp is aligned with the fully charged battery box. the

Step S202 , the battery box push-pull mechanism extends into the battery box, and the battery box clamp clamps the battery box. the

Step S203 , the push-pull mechanism of the battery box takes out the battery box from the charging rack, and the industrial robot carrying the battery box walks along the slide rail to a suitable position to dock with the battery box turntable 1 . the

Step S204, the battery box push-pull mechanism puts the battery box clamped by the battery box fixture on the battery box turntable 1, and releases the gripping mechanism. The step of taking a single battery box from the charging rack and putting it on the battery box carousel is completed. the

Step S205 , the industrial robot without the battery box walks to a suitable position along the slide rail, and adjusts the mechanical arm and the manipulator so that the manipulator docks with the battery box turntable 2 . the

Step S206, the battery box push-pull mechanism moves to the battery box to be charged on the battery box turntable 2, after the grasping mechanism of the battery box push-pull mechanism is connected to the battery box, the push-pull motor runs in reverse to take out the battery box and pull in the battery in the box fixture. the

Step S207, drive the industrial robot to walk, rotate and lift along the slide rail, make the manipulator dock with the charging rack, put the battery box taken out from the battery box turntable 2 into a designated space on the charging rack, and loosen the battery box clamp. The step of taking a single battery box from the battery box carousel 2 and putting it on the charging stand is completed. the

As shown in FIG. 10 , it is a schematic flow chart of picking and placing the battery box of the electric passenger car battery picking and placing equipment in the embodiment of the battery replacement device of the present invention. The working process of picking and placing the battery box of the electric passenger car battery pick-and-place equipment includes taking the battery box from the electric passenger car and putting it on the battery box turntable 2 and taking the battery box from the battery box turntable 1 and putting it on the electric passenger car. steps. Specifically include:

Step S301 , when the vehicle to be replaced is in place, the power-assisted manipulator completes the docking of the battery box fixture on the end of the power-assisted manipulator to the battery-replaced vehicle by rotating and lifting. the

Step S302 , lock the current position of the manipulator and the battery box fixture through the locking structure on the power-assisted manipulator, and pull the battery box from the battery compartment of the vehicle into the battery box fixture through the battery box push-pull mechanism. the

Step S303 , release the locking structure on the power-assisted manipulator, unlock the power-assisted manipulator and the battery box fixture, operate the power-assisted manipulator to rotate and lift, and complete the docking of the battery box fixture with the battery box turntable 2 . the

Step S304, pushing the battery box from the inside of the battery box fixture to the designated position on the battery box turntable 2 by the battery box push-pull mechanism. The step of taking the battery box from the electric passenger car and putting it on the battery box turntable 2 is completed. the

Step S305 , the power-assisted manipulator completes the docking of the battery box fixture on the power-assisted manipulator to the battery box turntable 1 by rotating and lifting. the

Step S306 , lock the current position of the power-assisted manipulator and the battery box fixture through the locking structure on the manipulator, and pull the battery box from the battery box turntable 1 into the battery box fixture through the battery box push-pull mechanism. the

Step S307 , release the locking structure on the manipulator, unlock the power-assisted manipulator and the battery box fixture, operate the power-assisted manipulator to rotate and lift, and complete the docking of the battery box fixture with the electric passenger vehicle. the

Step S308, pushing the battery box from the battery box fixture to a designated position in the vehicle by the battery box push-pull mechanism. The step of taking the battery from the battery box turntable 1 and putting it on the car is completed. the

Based on the above battery box pick-and-place process, the battery replacement process can be simply summarized as follows: when the vehicle to be replaced is in place, the electric passenger car battery pick-and-place device takes the battery from the car and puts it on the battery box turntable 2, and at the same time The charging rack battery pick-and-place equipment takes the battery from the charging rack and puts it on the battery box turntable 1, and the electric passenger car battery pick-and-place equipment moves from the battery box turntable 2 to the battery box turntable 1, takes the battery from the battery box turntable 1 On the car, at the same time, the battery of the charging rack is taken and placed from the battery box turntable 2 and the battery is placed on the charging rack. Repeat the above operations until all the battery boxes on the vehicle have been replaced. the

From the above battery replacement process, it can be seen that the whole process of battery replacement is very comfortable, and the flow of battery replacement is realized by using the manipulator and turntable, thereby improving the efficiency of battery replacement, and greatly shortening the replacement cycle, so that the charger can be more fully land is used, and the utilization rate is higher. In addition, the electric passenger car battery pick-and-place equipment can also be directly manually controlled by technicians according to the specific conditions of the electric passenger car, so as to achieve a safe and smooth battery box replacement process. the

Those of ordinary skill in the art can understand that all or part of the steps for realizing the above-mentioned method embodiments can be completed by hardware related to program instructions, and the aforementioned program can be stored in a computer-readable storage medium. When the program is executed, the It includes the steps of the above method embodiments; and the aforementioned storage medium includes: ROM, RAM, magnetic disk or optical disk and other various media that can store program codes. the

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: the present invention can still be Modifications to the specific implementation of the invention or equivalent replacement of some technical features; without departing from the spirit of the technical solution of the present invention, should be included in the scope of the technical solution claimed in the present invention. the

Claims (15)

1. battery replacement device that is applicable to electronic passenger car comprises:

Battery case rotating disk group comprises a plurality of battery case rotating disks that are in line, and described battery case rotating disk can be based on self axis rotation predetermined angle;

Charging rack battery taking and placing equipment, be located between described battery case rotating disk group and the charging rack, be used for grasping the battery case that is full of electricity from described charging rack, and described battery case is placed on the described battery case rotating disk, and grasp battery case to be charged, and described battery case is placed on the described charging rack from described battery case rotating disk;

Electronic passenger car battery taking and placing equipment, be located between electronic passenger car and the described battery case rotating disk group, be used in the battery flat of described electronic passenger car, taking out battery case to be charged, and described battery case is placed on the described battery case rotating disk, and take out the battery case that is full of electricity, and described battery case is put into the battery flat of described electronic passenger car from described battery case rotating disk.

2. battery replacement device according to claim 1, wherein said charging rack battery taking and placing equipment comprises slide rail, industrial robot, battery case anchor clamps, battery case push-pull mechanism and drive system;

Described slide rail and described charging rack be arranged in parallel, and described industrial robot is located on the described slide rail, can slide along described slide rail;

Described battery case anchor clamps are installed the manipulator in described industrial robot, can carry out holding action to battery case;

Described battery case push-pull mechanism links to each other with described battery case anchor clamps, can carry out push pull maneuver to battery case;

Described drive system receives console instruction described industrial robot, battery case anchor clamps and battery case push-pull mechanism is driven.

3. battery replacement device according to claim 2, wherein said industrial robot comprises base, mechanical arm and manipulator;

Described base is located on the described slide rail, and described mechanical arm is installed in described base, carries out rotation and/or lifting action according to the action command of the drive system that receives, and drives manipulator, causes it to move to the position and the angle of setting.

4. battery replacement device according to claim 3, wherein said charging rack battery taking and placing equipment also comprises the control desk that is used to send console instruction, described control desk links to each other with described drive system.

5. battery replacement device according to claim 1, wherein said electronic passenger car battery taking and placing equipment comprises wheeled movable pedestal, power-assisted manipulator, battery case anchor clamps, battery case push-pull mechanism and drive system;

Described wheeled movable pedestal can carry out the position adjustment to described electronic passenger car battery taking and placing equipment according to the stand of electronic passenger car, described power-assisted manipulator is located on the described wheeled movable pedestal, described battery case anchor clamps are located at the end of described power-assisted manipulator, can carry out holding action to battery case;

Described power-assisted manipulator is carried out rotation and/or lifting action according to the action command of the drive system that receives, and drives described battery case anchor clamps, causes it to move to the position and the angle of setting;

Described battery case push-pull mechanism links to each other with described battery case anchor clamps, can carry out push pull maneuver to battery case;

Described drive system receives console instruction described power-assisted manipulator, battery case anchor clamps and battery case push-pull mechanism is driven.

6. battery replacement device according to claim 5, wherein said electronic passenger car battery taking and placing equipment also comprises the control desk that is used to send console instruction, described control desk links to each other with described drive system.

7. battery replacement device according to claim 6 wherein also is provided with locking structure on described power-assisted manipulator, be used to limit the lifting or the spinning movement of described power-assisted manipulator.

8. electric system that changes that comprises the arbitrary described battery replacement device of claim 1-7 also comprises:

Power supply unit is used to the whole electric system that changes that power supply is provided;

Charhing unit is used for battery case is charged, and the battery case that will be full of electricity enters and changes electric array;

The monitoring communication unit links to each other with described power supply unit, charhing unit, battery replacement device by Controller Area Network BUS, is used for receiving in real time the service data of monitored object, realizes storage, processing, demonstration, inquiry and the alarm function of service data.

9. the electric system that changes according to claim 8, wherein, described power supply unit specifically comprises:

Exchange incoming line cabinet, be used for inserting the two-way AC power, described two-way AC power is switched from the outside;

Exchange the feeder line cabinet, be used for the AC power of described interchange incoming line cabinet is distributed, and introduce described charging system.

10. the electric system that changes according to claim 8, wherein, described charhing unit specifically comprises:

Charging rack is used to place a plurality of battery cases;

The charging rack comprises many chargers, is used for the battery case on the described charging rack is charged.

11. the electric system that changes according to claim 10, wherein said charhing unit also comprises:

Smog alarm unit, the battery case that is used for detecting charging rack be because of the smog that overcharges or short circuit causes, and report alarm signal to described monitoring communication unit.

12. the electric system that changes according to claim 11, wherein said charhing unit also comprises:

The battery information read module is used for reading the battery data of the battery management system record of battery case;

The charging stopping modular, the battery failures information that is used for sending according to described battery management system stops the charging operations of charger.

13. the electric system that changes according to claim 11, wherein said charhing unit also comprises:

Module is selected in charging, is used for selecting not charge or select the first constant current charging method of constant voltage again for use when the battery data of the battery management system record that can't read battery case.

14. according to claim 12 or the 13 described electric systems that change, wherein said charhing unit also comprises:

The charged state indicating module is used to show the charged state of each battery case on the charging rack;

The fault warning module is used for sending fault warning information to described monitoring communication unit;

The battery information reporting module is used for transmitting the battery data that the battery management system of each battery case sends to described monitoring communication unit.

15. the electric system that changes according to claim 8, wherein said monitoring communication unit comprises:

Data server is used for receiving in real time the service data of monitored object, realizes storage, processing, demonstration, inquiry and the alarm function of service data;

Monitor workstation is used to exchange electric array and electronic passenger car and dispatches and carry out Long-distance Control to battery replacement device and charhing unit;

The WEB server is used for transmitting service data to the control centre on upper strata.

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