An electric vehicle battery swap control method, device, vehicle and system

By using an automated battery swapping control method, the system judges vehicle status signals and sends corresponding instructions, achieving high efficiency and success in the electric vehicle battery swapping process and solving the problems of excessively long swapping time and low success rate.

CN119037227BActive Publication Date: 2026-01-02CHINA FAW CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202411108976.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2026-01-02
Estimated Expiration
2044-08-13

AI Technical Summary

Technical Problem

The current electric vehicle battery swapping process requires manual assistance, resulting in excessively long swapping times and low success rates, which has become a major problem in the development of electric vehicles.

Method used

By sending real-time signal acquisition commands to the vehicle's signal acquisition device, receiving vehicle status signals, and determining whether the battery swapping detection conditions are met based on these signals, if the conditions are met, the system sends vehicle position detection commands and battery swapping execution commands, automatically corrects the vehicle position, and executes the battery swapping action to ensure the effective implementation of the battery swapping process.

Benefits of technology

It shortens battery swapping time, improves battery swapping efficiency and success rate, avoids excessively long swapping times caused by invalid swaps, and enhances user experience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119037227B_ABST
    Figure CN119037227B_ABST
Patent Text Reader

Abstract

The application provides an electric vehicle battery replacement control method, device, vehicle and system. The electric vehicle battery replacement control method comprises the following steps: sending a real-time signal acquisition instruction to an electric vehicle signal acquisition device of a vehicle, receiving a vehicle state signal sent by the electric vehicle signal acquisition device; judging whether the vehicle meets a battery replacement detection condition based on the vehicle state signal; if yes, sending a vehicle position detection instruction to an in-station battery replacement control device of a battery replacement station, so that the in-station battery replacement control device corrects the relative position between the battery replacement device and the vehicle after determining that the whole vehicle position of the vehicle does not meet the battery replacement position requirement condition, and sends battery replacement ready information to a battery replacement mode control device after the correction is successful; and sending a battery replacement execution instruction to the in-station battery replacement control device, so that the in-station battery replacement control device executes the battery replacement action on the vehicle. The effective performance of the battery replacement process is ensured, the occurrence of invalid battery replacement leading to the overlong battery replacement time is avoided, and the battery replacement success rate is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicles, in particular to an electric vehicle battery replacement control method, device, vehicle and system. BACKGROUND

[0002] As a core component of new energy vehicles, the endurance and charging time of power batteries determine the technical level of new energy vehicles. At present, the lithium-ion power battery which is widely used in large scale has become a bottleneck restricting the technical level of new energy vehicles in terms of charging time. The slow charging speed and short endurance after single charging have also become one of the aspects restricting the development of electric vehicles.

[0003] In order to solve the user's range anxiety, electric vehicles with fast replacement function have become the choice of users. During driving, users can plan the timing of replacing the battery in advance according to the location of the battery replacement station around the vehicle, and replace the battery with higher power in advance to avoid long charging waiting time. However, during the battery replacement process, manual cooperation is usually required to complete the battery replacement together, which causes long battery replacement time and low battery replacement success rate. This is also the main problem faced by the development of electric vehicles. Therefore, how to improve the battery replacement success rate and shorten the battery replacement time has become a technical problem that cannot be underestimated. SUMMARY

[0004] Therefore, the purpose of the present application is to provide an electric vehicle battery replacement control method, device, vehicle and system, which can shorten the battery replacement time and improve the battery replacement efficiency and success rate.

[0005] The electric vehicle battery replacement control method provided by the embodiments of the present application is applied to a battery replacement mode control device in a vehicle, and the electric vehicle battery replacement control method comprises the following steps:

[0006] sending a real-time signal acquisition instruction to an electric vehicle signal acquisition device of the vehicle, and receiving a vehicle state signal sent by the electric vehicle signal acquisition device; wherein the vehicle state signal comprises one or more of a battery state signal, a vehicle speed signal, a battery replacement switch signal, a relay state signal, a battery replacement locking signal, an EPB state signal and a battery low-voltage power supply state signal;

[0007] judging whether the vehicle meets the battery replacement detection condition based on the vehicle state signal;

[0008] If yes, a vehicle position detection instruction is sent to a station battery replacement control device of a battery replacement station, so that the station battery replacement control device corrects the relative position between the battery replacement device and the vehicle after determining that the whole vehicle position of the vehicle does not meet the battery replacement position requirement condition, and sends a battery replacement ready information to the battery replacement mode control device after the correction is successful;

[0009] sending a battery replacement execution instruction to the in-station battery replacement control device to make the in-station battery replacement control device execute the battery replacement action on the vehicle.

[0010] In one possible implementation, after sending the battery replacement execution instruction to the in-station battery replacement control device to make the in-station battery replacement control device execute the battery replacement action on the vehicle, the electric vehicle battery replacement control method further includes:

[0011] sending an instruction to the electric vehicle signal acquisition device to acquire a new battery state signal of the replaced battery;

[0012] judging whether the new battery state signal is normal according to the received new battery state signal;

[0013] if the new battery state signal is normal, sending a battery replacement success prompt information to the in-station battery replacement control device.

[0014] In one possible implementation, the battery replacement detection condition includes a first battery replacement detection condition and a second battery replacement detection condition; and the judging whether the state signal meets the battery replacement detection condition includes:

[0015] before the vehicle enters the battery replacement station, determining whether the vehicle meets the first battery replacement detection condition according to the battery state signal, the battery replacement switch signal, and the relay state information; the first battery replacement detection condition is a condition that the original battery of the vehicle meets a normal working state;

[0016] if it is determined that the first battery replacement detection condition is met, after the vehicle enters the battery replacement station, determining whether the vehicle meets the second battery replacement detection condition according to the vehicle speed signal, the battery replacement locking signal, the EPB state signal, and the battery low-voltage power supply state signal; the second battery replacement detection condition is a condition that the vehicle is in a battery replacement preparation working completion state.

[0017] In one possible implementation, the determining whether the vehicle meets the first battery replacement detection condition according to the battery state signal, the battery replacement switch signal, and the relay state information; and the first battery replacement detection condition is a condition that the original battery of the vehicle meets a normal working state, includes:

[0018] detecting whether the battery state signal is faulty;

[0019] if yes, the battery state signal does not meet the first battery replacement detection condition, and if no, detecting whether the battery replacement switch signal is in a battery replacement mode;

[0020] If not the battery swap mode, the battery swap switch signal does not satisfy the first battery swap detection condition, if the battery swap mode, whether the relay state signal is in the off state is detected;

[0021] If the relay state signal is not in the off state, the relay state signal does not satisfy the first battery swap detection condition, if the relay state signal is in the off state, the relay state signal satisfies the first battery swap detection condition.

[0022] In a possible implementation, the determining whether the vehicle satisfies the second battery swap detection condition according to the vehicle speed signal, the battery swap locking signal, the EPB state signal and the battery low-voltage power supply state signal comprises:

[0023] Detecting whether the vehicle speed signal is 0, if the vehicle speed signal is not 0, the vehicle speed signal does not satisfy the second battery swap detection condition, if the vehicle speed signal is 0, whether the EPB state signal is in the unlocked state is detected;

[0024] If not the unlocked state, the EPB state signal does not satisfy the second battery swap detection condition, if the unlocked state, whether the battery low-voltage power supply state signal is off is detected;

[0025] If not off, the battery low-voltage power supply state signal does not satisfy the second battery swap detection condition, if off, whether the battery swap locking signal is 0 is detected;

[0026] If the battery swap locking signal is not 0, the battery swap locking signal does not satisfy the second battery swap detection condition, if the battery swap locking signal is 0, the battery swap locking signal satisfies the second battery swap detection condition.

[0027] In a possible implementation, after receiving the vehicle state signal sent by the electric vehicle signal acquisition device, before judging whether the vehicle satisfies the battery swap detection condition based on the vehicle state signal, the electric vehicle battery swap control method further comprises:

[0028] Signal fault detection is performed on the vehicle state signal, and it is determined that the vehicle state signal has no fault.

[0029] In a possible implementation, the signal fault detection is performed on the vehicle state signal, and it is determined that the vehicle state signal has no fault, comprising:

[0030] The current measurement signal on the internal CAN bus is read in a preset time interval, and the rolling counter and CRC data in the vehicle CAN information in the current measurement signal are checked;

[0031] If all the vehicle state signals pass the verification, the vehicle state signals are all fault-free, and if all the vehicle state signals fail the verification, the vehicle state signals are faulty.

[0032] The embodiment of the present application also provides a battery replacement mode control device, which comprises:

[0033] The signal receiving module is configured to send a real-time signal acquisition instruction to an electric vehicle signal acquisition device of the vehicle, and receive a vehicle state signal sent by the electric vehicle signal acquisition device; wherein the vehicle state signal comprises one or more of a battery state signal, a vehicle speed signal, a battery replacement switch signal, a relay state signal, a battery replacement locking signal, an EPB state signal, and a battery low-voltage power supply state signal.

[0034] The battery replacement detection module is configured to determine whether the vehicle satisfies a battery replacement detection condition based on the vehicle state signal.

[0035] The position detection instruction sending module is configured to send a vehicle position detection instruction to an in-station battery replacement control device of the battery replacement station if the condition is satisfied, so that the in-station battery replacement control device corrects a relative position between a battery replacement device and the vehicle after determining that the whole vehicle position of the vehicle does not satisfy a battery replacement position requirement condition, and sends battery replacement ready information to the battery replacement mode control device after the correction is successful.

[0036] The battery replacement execution module is configured to send a battery replacement execution instruction to the in-station battery replacement control device, so that the in-station battery replacement control device performs a battery replacement action on the vehicle.

[0037] The embodiment of the present application also provides a vehicle, which comprises a battery replacement mode control device and an electric vehicle signal acquisition device.

[0038] The embodiment of the present application also provides an electric vehicle battery replacement control system, which comprises a vehicle, an in-station battery replacement control device of a battery replacement station, and an in-station battery replacement device adjustment device, the vehicle comprises a battery replacement mode control device and an electric vehicle signal acquisition device, the vehicle is in communication connection with the in-station battery replacement control device, the in-station battery replacement control device is in communication connection with the in-station battery replacement device adjustment device, and the battery replacement mode control device is in communication connection with the in-station battery replacement device adjustment device.

[0039] The electric vehicle signal acquisition device is configured to send a real-time acquired vehicle state signal to the battery replacement mode control device.

[0040] The battery replacement mode control device is configured to determine whether the vehicle satisfies a battery replacement detection condition based on the vehicle state signal, send a vehicle position detection instruction to an in-station battery replacement control device of a battery replacement station if the condition is satisfied, and send a battery replacement execution instruction to the in-station battery replacement control device after receiving battery replacement ready information.

[0041] The station battery replacement control device is configured to detect whether the whole vehicle position of the vehicle meets the battery replacement position requirement after receiving the vehicle position detection instruction, and if not, send a vehicle position adjustment signal to the station battery replacement device adjustment device, send the battery replacement ready information to the battery replacement mode control device after receiving the corrected whole vehicle position, and execute the battery replacement action on the vehicle based on the battery replacement execution instruction.

[0042] The station battery replacement device adjustment device is configured to correct the relative position between the battery replacement device and the vehicle based on the vehicle position adjustment signal, and send the corrected whole vehicle position of the vehicle to the station battery replacement control device.

[0043] The embodiments of the present application also provide an electronic device, which comprises a processor, a memory and a bus, the memory stores machine readable instructions executable by the processor, the processor and the memory communicate through the bus when the electronic device is running, and the machine readable instructions are executed by the processor to perform the steps of the electric vehicle battery replacement control method.

[0044] The embodiments of the present application also provide a computer readable storage medium, which stores a computer program, and the computer program is executed by the processor to perform the steps of the electric vehicle battery replacement control method.

[0045] The embodiments of the present application provide an electric vehicle battery replacement control method, device, vehicle and system, the electric vehicle battery replacement control method is applied to a battery replacement mode control device in a vehicle, and the electric vehicle battery replacement control method comprises the following steps: sending a real-time signal acquisition instruction to an electric vehicle signal acquisition device of the vehicle, and receiving a vehicle state signal sent by the electric vehicle signal acquisition device; wherein the vehicle state signal comprises one or more of a battery state signal, a vehicle speed signal, a battery replacement switch signal, a relay state signal, a battery replacement locking signal, an EPB state signal and a battery low-voltage power supply state signal; judging whether the vehicle meets a battery replacement detection condition based on the vehicle state signal; if yes, sending a vehicle position detection instruction to a station battery replacement control device of a battery replacement station, so that the station battery replacement control device corrects the relative position between a battery replacement device and the vehicle when it is determined that the whole vehicle position of the vehicle does not meet the battery replacement position requirement condition, and sends a battery replacement ready information to the battery replacement mode control device after the correction is successful; and sending a battery replacement execution instruction to the station battery replacement control device, so that the station battery replacement control device executes the battery replacement action on the vehicle. The battery replacement time can be shortened, and the battery replacement efficiency and success rate can be improved.

[0046] In order to make the above objectives, characteristics and advantages of the present application more apparent, clear and easy to understand, the following will specifically describe a preferred embodiment in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0047] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be considered as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0048] Figure 1 A flow chart of an electric vehicle battery replacement control method provided by the embodiments of the present application;

[0049] Figure 2 A schematic diagram of an electric vehicle battery replacement control method provided by the embodiments of the present application;

[0050] Figure 3 A structural schematic diagram of a battery replacement mode control device provided by the embodiments of the present application;

[0051] Figure 4 A structural schematic diagram of a vehicle provided by the embodiments of the present application;

[0052] Figure 5 A structural schematic diagram of an electric vehicle battery replacement control system provided by the embodiments of the present application;

[0053] Figure 6 A structural schematic diagram of an electronic device provided by the embodiments of the present application. DETAILED DESCRIPTION

[0054] In order to make the objectives, technical solutions and advantages of the embodiments of the present application more apparent, the following will clearly and completely describe the technical solutions of the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, every other embodiment obtained by those skilled in the art without creative labor belongs to the scope of the present application.

[0055] Firstly, the application scenarios applicable to the present application are introduced. The present application can be applied to the field of vehicle technology.

[0056] It is found through research that, in order to solve the user's mileage anxiety, an electric vehicle with a quick replacement function becomes the user's choice. During the driving process of the electric vehicle, the user can plan the timing of replacing the battery in advance according to the location of the battery swap station around the vehicle driving, and replace the battery with a higher power in advance, thereby avoiding long charging waiting time. However, during the battery replacement process, manual cooperation is usually required to complete the battery replacement together, thereby causing the battery replacement time to be too long and the battery replacement success rate to be low, which is also the main problem faced by the development of electric vehicles. Therefore, how to improve the battery replacement success rate and shorten the battery replacement time has become a technical problem that cannot be underestimated.

[0057] Based on this, the embodiment of the present application provides an electric vehicle battery replacement control method, which can shorten the battery replacement time and improve the battery replacement efficiency and success rate.

[0058] Please refer to Figure 1 , Figure 1 The embodiment of the present application provides a flow chart of an electric vehicle battery replacement control method. As shown in Figure 1 The electric vehicle battery replacement control method provided by the embodiment of the present application comprises the following steps.

[0059] S101: sending a real-time signal acquisition instruction to an electric vehicle signal acquisition device of the vehicle, and receiving a vehicle state signal sent by the electric vehicle signal acquisition device; wherein the vehicle state signal comprises one or more of a battery state signal, a vehicle speed signal, a battery replacement switch signal, a relay state signal, a battery replacement locking signal, an EPB state signal, and a battery low-voltage power supply state signal.

[0060] In this step, a real-time signal acquisition instruction is sent to an electric vehicle signal acquisition device of the vehicle, and a vehicle state signal sent by the electric vehicle acquisition device is received.

[0061] The vehicle state signal comprises one or more of a battery state signal, a vehicle speed signal, a battery replacement switch signal, a relay state signal, a battery replacement locking signal, an EPB state signal, and a battery low-voltage power supply state signal.

[0062] Here, the electric vehicle signal acquisition device comprises an APP / IVI module, a battery replacement signal acquisition module, a battery state detection module, a power battery low-voltage power supply control module, a relay detection and control module, an EPB control module, an IC module, and a vehicle speed acquisition module.

[0063] The vehicle speed acquisition module acquires the speed of the vehicle and performs security algorithm encryption, and sends the vehicle speed acquisition module to the battery swap mode control device to determine whether the battery swap is performed; the APP / IVI module acquires the battery swap switch signal and performs security algorithm encryption on the battery swap switch signal, and sends the APP / IVI module to the battery swap mode control device to determine whether the battery swap function is started; the battery swap signal acquisition module acquires the battery swap locking signal and performs security algorithm encryption, and sends the battery swap signal acquisition module to the battery swap mode control device to determine whether the battery swap is successful; the battery state detection module acquires the battery state signal and performs security algorithm encryption, and sends the battery state detection module to the battery swap mode control device to identify the state information of the original vehicle battery and the newly replaced battery, to determine whether the battery swap function is started in advance and whether the new battery meets the requirements; the power battery low-voltage power supply control module receives the low-voltage control signal sent from the battery swap mode control module, and feeds back the low-voltage state signal to the battery swap mode control module to cut off the low-voltage power supply to the power battery and ensure the safety of the battery swap process; the relay detection and control module detects the relay state signal and sends the relay detection and control module to the battery swap mode control device to determine whether the battery swap is performed; the relay control signal from the battery swap mode control device is received to cut off the high-voltage connection state of the whole vehicle and ensure the safety of the battery swap process; the EPB control module detects the EPB state signal and sends the EPB control module to the battery swap mode control device to determine whether the battery swap is performed; the IC module receives the battery swap state signal and the battery state signal from the battery swap mode control device to display the battery state and whether the battery swap is successful, and to remind the user of the current vehicle state.

[0064] In a possible implementation, after receiving the vehicle state signal sent by the electric vehicle signal acquisition device, before determining whether the vehicle meets the battery swap detection condition based on the vehicle state signal, the electric vehicle battery swap control method further includes:

[0065] The vehicle state signal is detected for signal faults, and it is determined that the vehicle state signal has no fault.

[0066] Here, the vehicle state signal is detected for signal faults, and it is determined that the vehicle state signal has no fault.

[0067] In a possible implementation, the vehicle state signal is detected for signal faults, and it is determined that the vehicle state signal has no fault, including:

[0068] The current measurement signal on the internal CAN bus is read at a preset time interval, and the rolling counter and CRC data in the whole vehicle CAN information in the current measurement signal are checked; if both are checked, the vehicle state signal has no fault, and if not, the vehicle state signal has a fault.

[0069] Here, the fault detection and diagnosis of the input and output signals of each module are performed, and the fault information is transmitted to the instrument to alarm and remind, and the execution includes but is not limited to limiting the power battery power output, prohibiting high voltage power-on, prohibiting AC and DC charging, prohibiting AC discharging, prohibiting balancing, etc. Specifically, the speed signal sent by the vehicle speed acquisition module is judged for fault, the current measurement signal on the internal CAN bus is read every 100ms (TBC), and the current measurement value is checked through the rolling counter and CRC data in the vehicle CAN information. If the error data, invalid value or no message is received from the vehicle speed acquisition module, the power signal and the state signal of the vehicle speed acquisition module are set to invalid and the fault is reported. Thus, the effective signal transmission is ensured, and the state information is sent to the instrument.

[0070] Here, the fault detection of other modules in the electric vehicle signal acquisition device is consistent with the fault detection method of the vehicle speed acquisition module, and this part will not be described again.

[0071] S102: Determine whether the vehicle satisfies the battery swap detection condition based on the vehicle state signal.

[0072] In this step, it is determined whether the vehicle satisfies the battery swap detection condition according to the vehicle state signal.

[0073] The battery swap detection condition includes a first battery swap detection condition and a second battery swap detection condition.

[0074] In one possible implementation, the battery swap detection condition includes a first battery swap detection condition and a second battery swap detection condition; and the determination of whether the state signal satisfies the battery swap detection condition includes:

[0075] A: Before the vehicle enters the battery swap station, it is determined whether the vehicle satisfies the first battery swap detection condition according to the battery state signal, the battery swap switch signal and the relay state information; and the first battery swap detection condition is that the original vehicle battery of the vehicle satisfies the condition of normal working state.

[0076] Here, before the vehicle enters the battery swap station, it is determined whether the vehicle satisfies the first battery swap detection condition according to the battery state signal, the battery swap switch signal and the relay state information.

[0077] In this application, sufficient consideration is given to the preparation work before the vehicle enters the battery swap station to start the battery swap, and the speed, the battery swap locking signal state, the EPB state signal, the low-voltage power supply state signal of the power battery and the battery swap device readiness signal are judged to identify whether the battery swap action can be performed, so as to ensure the effective performance of the battery swap process, avoid the occurrence of invalid battery swap leading to too long battery swap time, and improve the battery swap success rate.

[0078] In one possible implementation, the first battery swap detection condition is that the original battery of the vehicle satisfies a normal working condition, and the determining whether the vehicle satisfies the first battery swap detection condition according to the battery status signal, the battery swap switch signal, and the relay status information includes:

[0079] (1) determining whether the battery status signal is faulty. If yes, the battery status signal does not satisfy the first battery swap detection condition. If no, determining whether the battery swap switch signal is in a battery swap mode.

[0080] Here, if the battery status signal is faulty, the battery status signal does not satisfy the first battery swap detection condition. If not, determining whether the battery swap switch signal is in a battery swap mode.

[0081] (2) If the battery swap switch signal is not in the battery swap mode, the battery swap switch signal does not satisfy the first battery swap detection condition. If the battery swap switch signal is in the battery swap mode, determining whether the relay status signal is in an open state.

[0082] Here, if the battery swap switch signal is not in the battery swap mode, the battery swap switch signal does not satisfy the first battery swap detection condition. If the battery swap switch signal is in the battery swap mode, determining whether the relay status signal is in an open state.

[0083] In this application, when the battery swap switch signal is 2, it represents that the battery swap switch signal is in the battery swap mode, or 1, which is in the battery swap mode. This part is not specifically limited.

[0084] (3) If the relay status signal is not in the open state, the relay status signal does not satisfy the first battery swap detection condition. If the relay status signal is in the open state, the relay status signal satisfies the first battery swap detection condition.

[0085] Here, if the relay status signal is not in the open state, the relay status signal does not satisfy the first battery swap detection condition. If the relay status signal is in the open state, the relay status signal satisfies the first battery swap detection condition.

[0086] In this application, the battery swap mode control device sends a relay open instruction to the relay detection and control module. The battery swap mode control module determines whether the high-voltage relay is open. If yes, the relay status signal satisfies the first battery swap detection condition. If not, it waits. If the waiting time exceeds 1 min, the relay status signal does not satisfy the first battery swap detection condition.

[0087] B: if it is determined that the first battery replacement detection condition is met, then after the vehicle enters the battery replacement station, whether the vehicle meets a second battery replacement detection condition is determined according to the vehicle speed signal, the battery replacement locking signal, the EPB state signal and the battery low-voltage power supply state signal; the second battery replacement detection condition is a condition under which the vehicle is in a battery replacement preparation completion state.

[0088] Here, if it is determined that the first battery replacement detection condition is met, then after the vehicle enters the battery replacement station, whether the vehicle meets a second battery replacement detection condition is determined according to the vehicle speed signal, the battery replacement locking signal, the EPB state signal and the battery low-voltage power supply state signal.

[0089] In this application, the judgment of the timeout time in the battery replacement process is fully considered, and the timeout judgment is performed on the vehicle speed signal, the EPB state signal, the battery low-voltage power supply state signal, the battery replacement locking signal and the like, which is used to realize the judgment of the battery replacement effectiveness and identify the occurrence of the invalid battery replacement in advance, thereby improving the battery replacement efficiency of the entire battery replacement station.

[0090] In a possible implementation, the determination of whether the vehicle meets the second battery replacement detection condition according to the vehicle speed signal, the battery replacement locking signal, the EPB state signal and the battery low-voltage power supply state signal comprises:

[0091] a: whether the vehicle speed signal is 0 is detected, if the vehicle speed signal is not 0, the vehicle speed signal does not meet the second battery replacement detection condition, and if the vehicle speed signal is 0, whether the EPB state signal is in an unlocked state is detected.

[0092] Here, whether the vehicle speed signal is 0 is detected, if the vehicle speed signal is not 0, the vehicle speed signal does not meet the second battery replacement detection condition, and if the vehicle speed signal is 0, whether the EPB state signal is in an unlocked state is detected.

[0093] b: if the EPB state signal is not in the unlocked state, the EPB state signal does not meet the second battery replacement detection condition, and if the EPB state signal is in the unlocked state, whether the battery low-voltage power supply state signal is disconnected is detected.

[0094] Here, if the EPB state signal is not in the unlocked state, the EPB state signal does not meet the second battery replacement detection condition, and if the EPB state signal is in the unlocked state, whether the battery low-voltage power supply state signal is disconnected is detected.

[0095] c: if the battery low-voltage power supply state signal is not disconnected, the battery low-voltage power supply state signal does not meet the second battery replacement detection condition, and if the battery low-voltage power supply state signal is disconnected, whether the battery replacement locking signal is 0 is detected.

[0096] Here, if the battery low-voltage power supply state signal is not disconnected, the battery low-voltage power supply state signal does not meet the second battery replacement detection condition, and if the battery low-voltage power supply state signal is disconnected, whether the battery replacement locking signal is 0 is detected.

[0097] d: if the battery swap locking signal is not 0, the battery swap locking signal does not satisfy the second battery swap detection condition, and if the battery swap locking signal is 0, the battery swap locking signal satisfies the second battery swap detection condition.

[0098] Here, if the battery swap locking signal is not 0, it can be waited, if the waiting time exceeds 5 min, the battery swap locking signal does not satisfy the second battery swap detection condition, and if the battery swap locking signal is 0, the battery swap locking signal satisfies the second battery swap detection condition.

[0099] In the embodiments of the present application, if the battery swap locking signal is 0, it represents the locking state, and if the battery swap locking signal is not 0, it represents the non-locking state, which is not limited in this part.

[0100] In the present application, it is determined whether the first battery swap detection condition is satisfied before the vehicle enters the battery swap station, and if it is satisfied, it is determined whether the second battery swap detection condition is satisfied after the vehicle enters the battery swap station. Thus, it is realized to avoid the occurrence of the situation that the battery swap is refused in the station due to the original vehicle battery failure after reaching the battery swap station, to avoid the occurrence of the situation that the battery swap time is too long due to invalid battery swap, and to improve the battery swap success rate.

[0101] S103: if it is satisfied, a vehicle position detection instruction is sent to the station battery swap control device of the battery swap station, so that the station battery swap control device corrects the relative position of the battery swap device and the vehicle after determining that the whole vehicle position of the vehicle does not satisfy the battery swap position requirement condition, and sends a battery swap ready information to the battery swap mode control device after the correction is successful.

[0102] In this step, if it is satisfied, a vehicle position detection instruction is sent to the station battery swap control device of the battery swap station, so that the station battery swap control device corrects the relative position of the battery swap device and the vehicle after determining that the whole vehicle position of the vehicle does not satisfy the battery swap position requirement condition, and sends a battery swap ready information to the battery swap mode control device after the correction is successful.

[0103] In this way, according to the relative position of the battery swap device and the vehicle end, a vehicle position adjustment signal is sent to the station battery swap device adjustment module to realize the adjustment of the vehicle position, the station battery swap control device judges whether the position of the battery swap device satisfies the requirement, and sends a battery swap ready information of the battery swap device to the battery swap mode control device.

[0104] Here, the battery swap ready information sent after the correction is successful is the information of the battery swap device ready flag = 1 (success), wherein if the information of the battery swap device ready flag = 0 (failure) occurs, the battery swap execution instruction is not sent to the station battery swap control device.

[0105] S104: send a battery replacement execution instruction to the station battery replacement control device, so that the station battery replacement control device performs the battery replacement action of the vehicle.

[0106] In this step, a battery replacement execution instruction is sent to the station battery replacement control device, so that the station battery replacement control device performs the battery replacement action of the vehicle.

[0107] In specific embodiments, the battery replacement mode control device determines whether the battery replacement condition is met by judging the battery state signal from the battery state detection module, the vehicle speed signal from the vehicle speed acquisition module, the battery replacement switch signal sent by the in-vehicle infotainment (IVI) module, the battery replacement locking signal sent by the battery replacement signal acquisition module, the relay state signal sent by the relay detection and control module, the EPB state signal sent by the electrical park brake (EPB) module, and the battery low-voltage power supply state signal sent by the power battery low-voltage power supply control module. If the condition is met, the battery replacement readiness information after correction is obtained, and a battery replacement execution instruction is sent to the station control device to perform battery replacement, thereby ensuring the effective performance of the battery replacement process, avoiding the occurrence of invalid battery replacement leading to too long battery replacement time, and improving the battery replacement success rate.

[0108] In a possible implementation, after sending a battery replacement execution instruction to the station battery replacement control device, so that the station battery replacement control device performs the battery replacement action of the vehicle, the electric vehicle battery replacement control method further includes:

[0109] sending an instruction to the electric vehicle signal acquisition device to acquire a new battery state signal of the replaced battery; determining whether the new battery state is normal according to the received new battery state signal; and if normal, sending a battery replacement success prompt information to the station battery replacement control device.

[0110] Here, an instruction is sent to the electric vehicle signal acquisition device to acquire a new battery state signal of the replaced battery; the new battery state is determined to be normal according to the received new battery state signal; and if normal, a battery replacement success prompt information is sent to the station battery replacement control device.

[0111] In this application, the interaction between the vehicle end and the station end about the battery state after the battery replacement is fully considered. The battery replacement mode control device of the vehicle end sends the battery state to the station battery replacement control device of the station end after the battery replacement for identifying the new battery state information, thereby avoiding the situation that the vehicle drives out of the battery replacement station and finds battery failure, leading to re-entry into the station for replacement and causing too long battery replacement time, and finally affecting the user's battery replacement experience.

[0112] In specific embodiments, for example, the battery replacement mode control device sends a battery replacement execution signal to the station battery replacement control device to execute battery replacement, the battery replacement mode control device judges whether the battery replacement locking signal is = 0, if yes, the battery replacement mode control device sends a low-voltage power-on instruction to the power battery low-voltage power supply control module; if no, then wait, if the waiting time exceeds 5 min, then exit the battery replacement process. The battery replacement mode control module sends a low-voltage power-on instruction to the power battery low-voltage power supply control module, and the battery replacement mode control module judges whether the battery state signal is = 0, if yes, the battery replacement mode control module sends a battery replacement state signal (0: success) to the station battery replacement control module and the instrument IC module, reminding the battery replacement success, if no, then wait, if the waiting time exceeds 5 min, then exit the battery replacement process.

[0113] Further, please refer to Figure 2 , Figure 2 is a schematic diagram of a battery replacement control method for an electric vehicle provided by an embodiment of the present application. As shown in Figure 2 , the battery replacement control method for an electric vehicle includes the following steps:

[0114] S1: detecting whether the battery state signal is faulty, if yes, then not meeting the first battery replacement detection condition, exit the battery replacement process; S2: if no, then detecting whether the battery replacement switch signal is in the battery replacement mode, if no, then not meeting the first battery replacement detection condition, exit the battery replacement process; S3: if yes, then detecting whether the relay state signal is in the open state, if no, then not meeting the first battery replacement detection condition, exit the battery replacement process; S4: if yes, then detecting whether the vehicle speed signal is 0, if no, then not meeting the second battery replacement detection condition, exit the battery replacement process; S5: if yes, then detecting whether the EPB state signal is in the unlocked state, if no, then not meeting the second battery replacement detection condition, exit the battery replacement process; S6: if yes, then detecting whether the battery low-voltage power supply state signal is disconnected, if no, then not meeting the second battery replacement detection condition, exit the battery replacement process; S7: if yes, then detecting whether the battery replacement locking signal is 0, if no, then not meeting the second battery replacement detection condition, exit the battery replacement process; S8: if yes, and receiving the battery replacement ready information sent after the correction is successful, then sending a battery replacement execution instruction to the station battery replacement control device to make the station battery replacement control device perform the battery replacement action of the vehicle.

[0115] The electric vehicle battery replacement control method provided by the embodiment of the application is applied to a battery replacement mode control device in a vehicle, and comprises the following steps: sending a real-time signal acquisition instruction to an electric vehicle signal acquisition device of the vehicle, and receiving a vehicle state signal sent by the electric vehicle signal acquisition device; wherein the vehicle state signal comprises one or more of a battery state signal, a vehicle speed signal, a battery replacement switch signal, a relay state signal, a battery replacement locking signal, an EPB state signal, and a battery low-voltage power supply state signal; determining whether the vehicle meets a battery replacement detection condition based on the vehicle state signal; if yes, sending a vehicle position detection instruction to an in-station battery replacement control device of a battery replacement station, so that the in-station battery replacement control device corrects the relative position between the battery replacement device and the vehicle after determining that the whole vehicle position of the vehicle does not meet a battery replacement position requirement condition, and sends a battery replacement ready information to the battery replacement mode control device after the correction is successful; and sending a battery replacement execution instruction to the in-station battery replacement control device, so that the in-station battery replacement control device performs a battery replacement action on the vehicle. By determining whether the vehicle state signal meets the battery replacement detection condition and sending the battery replacement execution instruction to the in-station control device to perform the battery replacement, the effective performance of the battery replacement process is ensured, the occurrence of invalid battery replacement leading to too long battery replacement time is avoided, the battery replacement success rate is improved, the vehicle position detection instruction is sent to the in-station battery replacement control device, the automatic correction and matching of the whole vehicle and the battery replacement device position are realized, the battery replacement efficiency and success rate are improved, and the battery replacement time is shortened.

[0116] Please refer to Figure 3 , Figure 3 The structure diagram of the battery replacement mode control device provided by the embodiment of the application is shown in FIG. 1. Figure 3 The battery replacement mode control device 300 comprises the following modules.

[0117] The signal receiving module 310 is configured to send a real-time signal acquisition instruction to an electric vehicle signal acquisition device of a vehicle, and receive a vehicle state signal sent by the electric vehicle signal acquisition device; wherein the vehicle state signal comprises one or more of a battery state signal, a vehicle speed signal, a battery replacement switch signal, a relay state signal, a battery replacement locking signal, an EPB state signal, and a battery low-voltage power supply state signal.

[0118] The battery replacement detection module 320 is configured to determine whether the vehicle meets a battery replacement detection condition based on the vehicle state signal.

[0119] The position detection instruction sending module 330 is configured to send a vehicle position detection instruction to the in-station battery swap control device of the battery swap station if the condition is met, so that the in-station battery swap control device corrects the relative position between the battery swap device and the vehicle after determining that the whole vehicle position of the vehicle does not meet the battery swap position requirement condition, and sends battery swap ready information to the battery swap mode control device after the correction is successful.

[0120] The battery swap execution module 340 is configured to send a battery swap execution instruction to the in-station battery swap control device, so that the in-station battery swap control device performs the battery swap action on the vehicle.

[0121] Further, the battery swap mode control device 300 further comprises a new battery state detection module, which is configured to:

[0122] send an instruction to the electric vehicle signal acquisition device to acquire a new battery state signal of the replaced battery;

[0123] determine whether the new battery state is normal according to the received new battery state signal;

[0124] if normal, send a battery swap success prompt information to the in-station battery swap control device.

[0125] Further, the battery swap detection module 320 is configured to, when determining whether the state signal meets the battery swap detection condition:

[0126] before the vehicle enters the battery swap station, determine whether the vehicle meets a first battery swap detection condition according to the battery state signal, the battery swap switch signal, and the relay state information; the first battery swap detection condition is a condition that the original vehicle battery of the vehicle meets a normal working state;

[0127] if it is determined that the first battery swap detection condition is met, after the vehicle enters the battery swap station, determine whether the vehicle meets a second battery swap detection condition according to the vehicle speed signal, the battery swap locking signal, the EPB state signal, and the battery low-voltage power supply state signal; the second battery swap detection condition is a condition that the vehicle is in a battery swap preparation working completion state.

[0128] Further, the battery swap detection module 320 is configured to, when determining whether the vehicle meets the first battery swap detection condition according to the battery state signal, the battery swap switch signal, and the relay state information:

[0129] detect whether the battery state signal is faulty;

[0130] If yes, the battery state signal does not satisfy the first battery replacement detection condition, and if no, it is detected whether the battery replacement switch signal is in the battery replacement mode;

[0131] If not in the battery replacement mode, the battery replacement switch signal does not satisfy the first battery replacement detection condition, and if in the battery replacement mode, it is detected whether the relay state signal is in the open state;

[0132] If the relay state signal is not in the open state, the relay state signal does not satisfy the first battery replacement detection condition, and if the relay state signal is in the open state, the relay state signal satisfies the first battery replacement detection condition.

[0133] Further, the battery replacement detection module 320 is used for determining whether the vehicle satisfies a second battery replacement detection condition according to the vehicle speed signal, the battery replacement lock signal, the EPB state signal and the battery low-voltage power supply state signal, and the battery replacement detection module 320 is specifically used for:

[0134] It is detected whether the vehicle speed signal is 0, if the vehicle speed signal is not 0, the vehicle speed signal does not satisfy the second battery replacement detection condition, and if the vehicle speed signal is 0, it is detected whether the EPB state signal is in the unlocked state;

[0135] If not in the unlocked state, the EPB state signal does not satisfy the second battery replacement detection condition, and if in the unlocked state, it is detected whether the battery low-voltage power supply state signal is disconnected;

[0136] If not disconnected, the battery low-voltage power supply state signal does not satisfy the second battery replacement detection condition, and if disconnected, it is detected whether the battery replacement lock signal is 0;

[0137] If the battery replacement lock signal is not 0, the battery replacement lock signal does not satisfy the second battery replacement detection condition, and if the battery replacement lock signal is 0, the battery replacement lock signal satisfies the second battery replacement detection condition.

[0138] Further, the battery replacement mode control device further comprises a fault detection module, and the fault detection module is used for:

[0139] Signal fault detection is performed on the vehicle state signal, and it is determined that all the vehicle state signals are fault-free.

[0140] Further, when the fault detection module is used for performing signal fault detection on the vehicle state signal and determining that all the vehicle state signals are fault-free, the fault detection module is further used for:

[0141] Read the current measurement signal on the internal CAN bus at a preset time interval, and check the rolling counter and CRC data in the vehicle CAN information in the current measurement signal;

[0142] If all are checked, the vehicle status signal is not faulty, and if not checked, the vehicle status signal is faulty.

[0143] The battery replacement mode control device provided by the embodiment of the application comprises a signal receiving module, a battery replacement detection module, a vehicle position detection instruction sending module and a battery replacement execution module.

[0144] Please refer to Figure 4 , Figure 4 The vehicle structure schematic diagram provided by the embodiment of the application is shown in FIG. 1. Figure 4 The vehicle comprises a battery replacement mode control device 100 and an electric vehicle signal acquisition device 410.

[0145] Please refer to Figure 5 , Figure 5 The electric vehicle battery replacement control system structure schematic diagram provided by the embodiment of the application is shown in FIG. 2. Figure 5The electric vehicle battery replacement control system 500 comprises the vehicle, the station battery replacement control device 510 and the station battery replacement device adjustment device 520, the vehicle comprises the battery replacement mode control device 100 and the electric vehicle signal acquisition device 410, the vehicle 400 is in communication connection with the station battery replacement control device 510, and the station battery replacement control device 510 is in communication connection with the station battery replacement device adjustment device 520.

[0146] Specifically, the electric vehicle signal acquisition device 410 is used to send the real-time acquired vehicle state signal to the battery replacement mode control device; the battery replacement mode control device 100 is used to judge whether the vehicle satisfies the battery replacement detection condition based on the vehicle state signal, and if yes, sends the vehicle position detection instruction to the station battery replacement control device, and sends the battery replacement execution instruction to the station battery replacement control device after receiving the battery replacement ready information; the station battery replacement control device 510 is used to detect whether the whole vehicle position of the vehicle satisfies the battery replacement position requirement after receiving the vehicle position detection instruction, and if not, sends the vehicle position adjustment signal to the station battery replacement device adjustment device, sends the corrected whole vehicle position to the battery replacement mode control device after receiving the corrected whole vehicle position, and executes the battery replacement action based on the battery replacement execution instruction; the station battery replacement device adjustment device 520 is used to correct the relative position between the battery replacement device and the vehicle based on the vehicle position adjustment signal, and sends the corrected whole vehicle position of the vehicle to the station battery replacement control device. By judging whether the vehicle state signal satisfies the battery replacement detection condition and sending the battery replacement execution instruction to the station control device to execute the battery replacement, the effective battery replacement process is ensured, the invalid battery replacement leading to the long battery replacement time is avoided, the battery replacement success rate is improved, the vehicle position detection instruction is sent to the station battery replacement control device, the automatic correction and matching of the whole vehicle and the battery replacement device position are realized, the battery replacement efficiency and success rate are improved, and the battery replacement time is shortened.

[0147] Please refer to Figure 6 , Figure 6 The structure schematic diagram of an electronic device provided by the embodiment of the present application is shown in FIG. 1. Figure 6 As shown in FIG. 1, the electronic device 600 comprises a processor 610, a memory 620 and a bus 630.

[0148] The memory 620 stores machine readable instructions executable by the processor 610, and the processor 610 and the memory 620 communicate through the bus 630 when the electronic device 600 is running. When the machine readable instructions are executed by the processor 610, the above-mentioned Figure 1 and Figure 2The steps of the electric vehicle battery swapping control method in the illustrated method embodiment can be found in the method embodiment for specific implementation, and will not be repeated here.

[0149] This application also provides a computer-readable storage medium storing a computer program, which, when executed by a processor, can perform the above-described actions. Figure 1 as well as Figure 2 The steps of the electric vehicle battery swapping control method in the illustrated method embodiment can be found in the method embodiment for specific implementation, and will not be repeated here.

[0150] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0151] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. The apparatus embodiments described above are merely illustrative. For example, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. Furthermore, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Additionally, the shown or discussed mutual couplings, direct couplings, or communication connections may be through some communication interfaces; indirect couplings or communication connections between devices or units may be electrical, mechanical, or other forms.

[0152] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0153] In addition, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0154] If the functions are realized in the form of software function units and sold or used as independent products, they can be stored in a nonvolatile computer readable storage medium executable by a processor. Based on this understanding, the technical solutions of the present application essentially or the parts of the prior art that make contributions or parts of the technical solutions can be embodied in the form of software products. The computer software product is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in the embodiments of the present application. The aforementioned storage medium includes: a U disk, a mobile hard disk, a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and various media that can store program codes.

[0155] Finally, it should be noted that: the above-described embodiments are only specific embodiments of the present application, which are used to illustrate the technical solutions of the present application, but not to limit them. The protection scope of the present application is not limited thereto. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can make modifications or easily think of changes to the technical solutions described in the foregoing embodiments within the technical scope disclosed by the present application, or make equivalent replacements to some of the technical features. The modifications, changes or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A battery swapping control method for electric vehicles, characterized in that, The electric vehicle battery swapping control method is applied to a battery swapping mode control device in a vehicle, and the electric vehicle battery swapping control method includes: Send a real-time signal acquisition command to the electric vehicle signal acquisition device of the vehicle, and receive vehicle status signals sent by the electric vehicle signal acquisition device; wherein, the vehicle status signals include one or more of the following: battery status signal, vehicle speed signal, battery swapping switch signal, relay status signal, battery swapping lock signal, EPB status signal, and battery low voltage power supply status signal. Based on the vehicle status signal, determine whether the vehicle meets the battery swapping detection conditions; If the conditions are met, a vehicle position detection command is sent to the battery swapping control device in the battery swapping station. After determining that the vehicle's overall position does not meet the battery swapping position requirements, the battery swapping control device corrects the relative position between the battery swapping device and the vehicle. After successful correction, it sends battery swapping ready information to the battery swapping mode control device. Send a battery swapping execution command to the battery swapping control device in the station so that the battery swapping control device in the station can perform a battery swapping operation on the vehicle; The battery swapping detection conditions include a first battery swapping detection condition and a second battery swapping detection condition; determining whether the status signal meets the battery swapping detection conditions includes: Before the vehicle enters the battery swapping station, it is determined whether the vehicle meets the first battery swapping detection condition based on the battery status signal, the battery swapping switch signal, and the relay status information; the first battery swapping detection condition is that the original battery of the vehicle meets the normal working condition. If the first battery swapping detection condition is met, then after the vehicle enters the battery swapping station, based on the vehicle speed signal, battery swapping lock signal, EPB status signal, and battery low-voltage power supply status signal, it is determined whether the vehicle meets the second battery swapping detection condition; the second battery swapping detection condition is the condition that the vehicle is in the battery swapping preparation work completed state.

2. The electric vehicle battery swapping control method according to claim 1, characterized in that, After sending a battery swapping execution command to the in-station battery swapping control device to enable the in-station battery swapping control device to perform a battery swapping action on the vehicle, the electric vehicle battery swapping control method further includes: Send a command to the electric vehicle signal acquisition device to obtain the new battery status signal of the replaced battery; Based on the received new battery status signal, determine whether the new battery status is normal; If all goes well, a successful battery swap notification will be sent to the battery swapping control device within the station.

3. The electric vehicle battery swapping control method according to claim 1, characterized in that, The step of determining whether the vehicle meets the first battery swapping detection condition based on the battery status signal, the battery swapping switch signal, and the relay status information includes: Detect whether the battery status signal is faulty; If so, the battery status signal does not meet the first battery swap detection condition; otherwise, it is detected whether the battery swap switch signal is in battery swap mode. If it is not a battery swapping mode, the battery swapping switch signal does not meet the first battery swapping detection condition; if it is a battery swapping mode, the relay status signal is detected to see if it is in an open state. If the relay status signal is not in the off state, then the relay status signal does not meet the first battery swapping detection condition; if the relay status signal is in the off state, then the relay status signal meets the first battery swapping detection condition.

4. The electric vehicle battery swapping control method according to claim 1, characterized in that, The step of determining whether the vehicle meets the second battery swapping detection condition based on the vehicle speed signal, battery swapping lock signal, EPB status signal, and battery low-voltage power supply status signal includes: The system detects whether the vehicle speed signal is 0. If the vehicle speed signal is not 0, the vehicle speed signal does not meet the second battery swapping detection condition. If the vehicle speed signal is 0, the system detects whether the EPB status signal is in an unlocked state. If it is not in the unlocked state, the EPB status signal does not meet the second battery swapping detection condition; if it is in the unlocked state, it is detected whether the battery low-voltage power supply status signal is disconnected. If the battery is not disconnected, the low-voltage power supply status signal does not meet the second battery swapping detection condition; if the battery is disconnected, the battery swapping lockout signal is checked to see if it is 0. If the battery swapping lockout signal is not 0, then the battery swapping lockout signal does not meet the second battery swapping detection condition; if the battery swapping lockout signal is 0, then the battery swapping lockout signal meets the second battery swapping detection condition.

5. The electric vehicle battery swapping control method according to claim 1, characterized in that, After receiving the vehicle status signal sent by the electric vehicle signal acquisition device, and before determining whether the vehicle meets the battery swapping detection conditions based on the vehicle status signal, the electric vehicle battery swapping control method further includes: The vehicle status signals are subjected to signal fault detection, and it is determined that all vehicle status signals are fault-free.

6. The electric vehicle battery swapping control method according to claim 5, characterized in that, The step of detecting signal faults in the vehicle status signals and determining that all vehicle status signals are fault-free includes: Read the current measurement signal on the internal CAN bus at preset time intervals, and verify the rolling counter and CRC data in the vehicle CAN information in the current measurement signal; If all checks pass, the vehicle status signals are fault-free; if they fail, the vehicle status signals are faulty.

7. A battery swapping mode control device, characterized in that, The battery swapping mode control device includes: The signal receiving module is used to send real-time signal acquisition commands to the electric vehicle signal acquisition device of the vehicle and to receive vehicle status signals sent by the electric vehicle signal acquisition device; wherein, the vehicle status signals include one or more of the following: battery status signal, vehicle speed signal, battery swapping switch signal, relay status signal, battery swapping lock signal, EPB status signal, and battery low voltage power supply status signal. The battery swapping detection module is used to determine whether the vehicle meets the battery swapping detection conditions based on the vehicle status signal. The position detection command sending module is used to send a vehicle position detection command to the battery swapping control device in the battery swapping station if the conditions are met. This allows the battery swapping control device to correct the relative position between the battery swapping device and the vehicle after determining that the vehicle's overall position does not meet the battery swapping position requirements. After successful correction, the module sends battery swapping ready information to the battery swapping mode control device. The battery swapping execution module is used to send a battery swapping execution command to the battery swapping control device in the station, so that the battery swapping control device in the station can perform a battery swapping action on the vehicle. The battery swapping detection module is used to determine whether the status signal meets the battery swapping detection conditions: Before the vehicle enters the battery swapping station, it is determined whether the vehicle meets the first battery swapping detection condition based on the battery status signal, the battery swapping switch signal, and the relay status information; the first battery swapping detection condition is that the original battery of the vehicle meets the normal working condition. If the first battery swapping detection condition is met, then after the vehicle enters the battery swapping station, based on the vehicle speed signal, battery swapping lock signal, EPB status signal, and battery low-voltage power supply status signal, it is determined whether the vehicle meets the second battery swapping detection condition; the second battery swapping detection condition is the condition that the vehicle is in the battery swapping preparation work completed state.

8. A vehicle, characterized in that, The vehicle includes the battery swapping mode control device as described in claim 7 and the electric vehicle signal acquisition device.

9. A battery swapping control system for electric vehicles, characterized in that, The electric vehicle battery swapping control system includes the vehicle as described in claim 8, an in-station battery swapping control device, and an in-station battery swapping device adjustment device. The vehicle includes a battery swapping mode control device and an electric vehicle signal acquisition device. The vehicle is communicatively connected to the in-station battery swapping control device, and the in-station battery swapping control device is communicatively connected to the in-station battery swapping device adjustment device. The electric vehicle signal acquisition device is used to send the real-time acquired vehicle status signals to the battery swapping mode control device. The battery swapping mode control device is used to determine whether the vehicle meets the battery swapping detection conditions based on the vehicle status signal. If it does, it sends a vehicle position detection command to the battery swapping control device in the battery swapping station. After receiving the battery swapping ready information, it sends a battery swapping execution command to the battery swapping control device in the station. The in-station battery swapping control device is used to detect whether the vehicle's overall position meets the battery swapping position requirements after receiving the vehicle position detection command. If not, it sends a vehicle position adjustment signal to the in-station battery swapping device adjustment device. After receiving the corrected vehicle position, it sends battery swapping ready information to the battery swapping mode control device and executes the battery swapping action for the vehicle based on the battery swapping execution command. The in-station battery swapping device adjustment device is used to correct the relative position of the battery swapping device and the vehicle based on the vehicle position adjustment signal, and send the corrected vehicle position to the in-station battery swapping control device.

10. An electronic device, characterized in that, include: The device includes a processor, a memory, and a bus. The memory stores machine-readable instructions executable by the processor. When the electronic device is running, the processor communicates with the memory via the bus. The machine-readable instructions are executed by the processor to perform the steps of the electric vehicle battery swapping control method as described in any one of claims 1 to 6.

11. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program that, when executed by a processor, performs the steps of the electric vehicle battery swapping control method as described in any one of claims 1 to 6.

Citation Information

Patent Citations

  • Vehicle battery replacing method and device

    CN112677812A

  • Vehicle battery replacement mode control method, system and device, medium and vehicle

    CN118219909A