阅读说明：本技术 一种电动汽车应急方法以及电动汽车 (Electric automobile emergency method and electric automobile ) 是由 胡志敏 刘宝 侯文涛 陈玉封 刁红宾 高天 郑飞 郭贵贤 于 2020-04-01 设计创作，主要内容包括：本发明提供了一种电动汽车应急方法以及电动汽车,该方法应可以用于电动汽车,在所述电动汽车的电机发生故障的情况下,接收用户的应急操作；根据所述应急操作,开启所述电动汽车的应急模式；根据所述应急模式,所述电动汽车的电池对所述电动汽车的用电设备供电。本发明实施例提供的电动汽车应急方法,在电动汽车的电机发生故障时,能够根据用户的应急操作在电机停止工作的情况下继续向电动汽车的用电设备供电,保证了用户在电动汽车停止行驶过程中的正常活动,提升用户的驾驶体验以及电动汽车发生电机故障时的安全性。(The invention provides an electric automobile emergency method and an electric automobile, wherein the method can be used for the electric automobile, and the emergency operation of a user is received under the condition that a motor of the electric automobile breaks down; according to the emergency operation, starting an emergency mode of the electric automobile; according to the emergency mode, the battery of the electric automobile supplies power to the electric equipment of the electric automobile. According to the electric automobile emergency method provided by the embodiment of the invention, when the motor of the electric automobile breaks down, power can be continuously supplied to the electric equipment of the electric automobile under the condition that the motor stops working according to the emergency operation of the user, so that the normal activity of the user in the driving stopping process of the electric automobile is ensured, and the driving experience of the user and the safety of the electric automobile when the motor breaks down are improved.)

1. An electric vehicle emergency method is characterized in that the method is applied to an electric vehicle, and comprises the following steps:

receiving an emergency operation of a user under the condition that a motor of the electric automobile fails;

according to the emergency operation, starting an emergency mode of the electric automobile;

according to the emergency mode, the battery of the electric automobile supplies power to the electric equipment of the electric automobile.

2. The method of claim 1, wherein prior to initiating the limp-home mode of the electric vehicle in accordance with the limp-home operation, comprising:

acquiring battery state information of the battery;

the opening of the emergency mode of the electric vehicle according to the emergency operation includes:

under the condition that the electric automobile has no safety fault, judging whether a battery of the electric automobile meets a preset condition or not according to the battery state information, wherein the safety fault comprises collision and/or high-voltage interlocking;

and under the condition that the battery meets the preset condition, starting an emergency mode of the electric automobile according to the emergency operation.

3. The method of claim 2, wherein the battery status information includes battery operating status information and battery state of charge information, and the determining whether the battery of the electric vehicle meets a preset condition according to the battery status information when the electric vehicle is not in a safety failure includes:

under the condition that the electric automobile does not have a safety fault, judging whether the battery has a fault according to the battery running state information;

under the condition that the battery does not have a fault, judging whether the battery electric quantity state information of the battery reaches a preset electric quantity threshold value;

and under the condition that the battery electric quantity state information reaches a preset electric quantity threshold value, determining that the battery meets a preset condition.

4. The method according to claim 1, wherein after the power supply to the electric device of the electric vehicle according to the emergency mode, the method further comprises:

receiving equipment selection operation of a user;

and sending a starting instruction or a closing instruction to the electric equipment corresponding to the equipment selection operation according to the user selection operation.

5. The method according to claim 4, wherein after the power supply to the electric device of the electric vehicle according to the emergency mode, the method further comprises:

acquiring current battery state information of the electric automobile and power information sent by electric equipment corresponding to the equipment selection operation;

calculating power supply duration according to the battery state information and the power information;

and prompting a user according to the power supply duration.

6. The electric automobile is characterized by comprising a man-machine module, an emergency module and a battery module;

the man-machine module is used for receiving emergency operation of a user under the condition that a motor of the electric automobile breaks down;

the emergency module is used for starting an emergency mode of the electric automobile according to the emergency operation;

and the battery module is used for supplying power to the electric equipment of the electric automobile according to the emergency mode.

7. The electric vehicle of claim 6, wherein the battery module is further configured to obtain battery status information of the battery;

the emergency module comprises a battery judgment submodule and a power supply control submodule;

the battery judgment submodule is used for judging whether the battery of the electric automobile meets a preset condition or not according to the battery state information under the condition that the electric automobile does not have a safety fault, wherein the safety fault comprises collision and/or high-voltage interlocking;

and the battery control submodule is used for starting an emergency mode of the electric automobile according to the emergency operation under the condition that the battery meets the preset condition.

8. The electric vehicle of claim 7, wherein the battery status information includes battery operational status information and battery state of charge information; the battery judgment submodule comprises a battery fault unit and a battery electric quantity unit;

the battery failure unit is used for judging whether the battery fails according to the battery running state information under the condition that the electric automobile does not fail safely;

the battery electric quantity unit is used for judging whether the battery electric quantity state information of the battery reaches a preset electric quantity threshold value or not under the condition that the battery does not break down, and determining that the battery meets a preset condition under the condition that the battery electric quantity state information reaches the preset electric quantity threshold value.

9. The electric automobile of claim 6, wherein the human-machine module is further configured to receive a device selection operation of a user, and send a start instruction or a close instruction to an electric device corresponding to the device selection operation according to the user selection operation.

10. The electric vehicle of claim 9, further comprising a computing module;

the calculation module is used for acquiring current battery state information of the electric automobile and power information sent by electric equipment corresponding to the equipment selection operation, and calculating power supply duration according to the battery state information and the power information;

and the man-machine module is also used for prompting a user according to the power supply duration.

Technical Field

The invention relates to the technical field of electric automobiles, in particular to an electric automobile emergency method and an electric automobile.

Background

In order to deal with the problem of increasingly serious energy shortage, research and application of new energy are increasingly widespread, for example, the new energy automobile industry is also in vigorous development aiming at huge energy consumption in daily travel of people. Among them, the pure electric driven electric vehicle has zero emission and no pollution, so the electric vehicle has become a great development trend in the new energy automobile industry.

Because the electric automobile mainly provides power for the electric automobile through battery discharge driving motor, the motor can retrieve electric automobile kinetic energy and convert the electric automobile kinetic energy into electric energy and charge to the battery when electric automobile slows down. It can be seen that when the motor fails, the vehicle will not be able to travel. At present, when a motor of an electric automobile fails and cannot work, the electric automobile is controlled to be powered off, namely, a battery is controlled to be disconnected with a relay to stop supplying power to the whole automobile, and a user is prompted that the electric automobile is unavailable at present.

However, the battery is controlled to be disconnected, the relay stops supplying power to the whole vehicle, so that the electric vehicle stops all services based on electric power, when the motor breaks down during the running of the electric vehicle, especially at a high speed or in other places with rare people, the use experience of a driver in the process of waiting for rescue is seriously influenced, further danger may even occur, and the safety is low.

Disclosure of Invention

In view of this, the present invention is directed to an electric vehicle emergency method and an electric vehicle, so as to solve the problem that when a motor fails during the driving of the electric vehicle, a battery cut-off relay stops supplying power to the entire vehicle, so that the electric vehicle stops all services based on electric power, the use experience of a driver in a process of waiting for rescue is seriously affected, further, danger may occur, and the safety is low.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the embodiment of the invention provides an electric automobile emergency method, which is applied to an electric automobile and can comprise the following steps:

receiving an emergency operation of a user under the condition that a motor of the electric automobile fails;

according to the emergency operation, starting an emergency mode of the electric automobile;

according to the emergency mode, the battery of the electric automobile supplies power to the electric equipment of the electric automobile.

Further, the method, before the starting of the emergency mode of the electric vehicle according to the emergency operation, includes:

acquiring battery state information of the battery;

the opening of the emergency mode of the electric vehicle according to the emergency operation includes:

under the condition that the electric automobile has no safety fault, judging whether a battery of the electric automobile meets a preset condition or not according to the battery state information, wherein the safety fault comprises collision and/or high-voltage interlocking;

and under the condition that the battery meets the preset condition, starting an emergency mode of the electric automobile according to the emergency operation.

Further, in the method, the battery state information includes battery running state information and battery electric quantity state information, and under the condition that the electric vehicle does not have a safety fault, determining whether a battery of the electric vehicle meets a preset condition according to the battery state information includes:

under the condition that the electric automobile does not have a safety fault, judging whether the battery has a fault according to the battery running state information;

under the condition that the battery does not have a fault, judging whether the battery electric quantity state information of the battery reaches a preset electric quantity threshold value;

and under the condition that the battery electric quantity state information reaches a preset electric quantity threshold value, determining that the battery meets a preset condition.

Further, in the method, after the power is supplied to the electric device of the electric vehicle according to the emergency mode, the method further includes:

receiving equipment selection operation of a user;

and sending a starting instruction or a closing instruction to the electric equipment corresponding to the equipment selection operation according to the user selection operation.

Further, in the method, after the power is supplied to the electric device of the electric vehicle according to the emergency mode, the method further includes:

acquiring current battery state information of the electric automobile and power information sent by electric equipment corresponding to the equipment selection operation;

calculating power supply duration according to the battery state information and the power information;

and prompting a user according to the power supply duration.

Another objective of an embodiment of the present invention is to provide an electric vehicle, which includes a human-machine module, an emergency module, and a battery module;

the man-machine module is used for receiving emergency operation of a user under the condition that a motor of the electric automobile breaks down;

the emergency module is used for starting an emergency mode of the electric automobile according to the emergency operation;

and the battery module is used for supplying power to the electric equipment of the electric automobile according to the emergency mode.

Further, in the electric vehicle, the battery module is further configured to obtain battery state information of the battery;

the emergency module comprises a battery judgment submodule and a power supply control submodule;

the battery judgment submodule is used for judging whether the battery of the electric automobile meets a preset condition or not according to the battery state information under the condition that the electric automobile does not have a safety fault, wherein the safety fault comprises collision and/or high-voltage interlocking;

and the battery control submodule is used for starting an emergency mode of the electric automobile according to the emergency operation under the condition that the battery meets the preset condition.

Further, in the electric vehicle, the battery state information includes battery running state information and battery electric quantity state information; the battery judgment submodule comprises a battery fault unit and a battery electric quantity unit;

the battery failure unit is used for judging whether the battery fails according to the battery running state information under the condition that the electric automobile does not fail safely;

the battery electric quantity unit is used for judging whether the battery electric quantity state information of the battery reaches a preset electric quantity threshold value or not under the condition that the battery does not break down, and determining that the battery meets a preset condition under the condition that the battery electric quantity state information reaches the preset electric quantity threshold value.

Further, in the electric vehicle, the human-machine module is further configured to receive a device selection operation of a user, and send a start instruction or a close instruction to an electric device corresponding to the device selection operation according to the user selection operation.

Further, in the electric vehicle, the electric vehicle further includes a calculation module;

the calculation module is used for acquiring current battery state information of the electric automobile and power information sent by electric equipment corresponding to the equipment selection operation, and calculating power supply duration according to the battery state information and the power information;

and the man-machine module is also used for prompting a user according to the power supply duration.

Compared with the prior art, the electric automobile emergency method and the electric automobile provided by the embodiment of the invention can continuously supply power to the electric equipment of the electric automobile according to the emergency operation of the user when the electric automobile is forced to stop at a high-speed and rare-people road section due to the fact that the electric automobile cannot continuously run due to motor faults, and the like, so that the service of the electric equipment is provided for the user, the normal activity of the user is ensured, and the safety of the user is further ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a flowchart illustrating steps of an emergency method for an electric vehicle according to an embodiment of the present invention;

FIG. 2 is a flowchart illustrating steps of an emergency method for an electric vehicle according to an embodiment of the present invention;

fig. 3 is a block diagram of an electric vehicle according to an embodiment of the present invention;

fig. 4 is a block diagram of another electric vehicle according to an embodiment of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In addition, the motor in the embodiment of the invention, also called a motor, refers to an electromagnetic device that realizes electric energy conversion or transmission according to the law of electromagnetic induction, and the motor in the electric vehicle can provide forward power for the electric vehicle under the driving of battery discharge, and can also recover kinetic energy to convert the kinetic energy into electric energy to charge the battery when the electric vehicle decelerates, so as to achieve the effects of green and environmental protection; the electric equipment mentioned in the embodiment of the present invention may include high-voltage electric equipment in an electric vehicle, such as a high-voltage air conditioner compressor, a high-voltage heater, a DCDC (Direct Current) converter, and the like, and may also include broadcasting, vehicle navigation, and the like, that is, include other equipment in the electric vehicle that operates based on electric power in addition to the motor. The DCDC converter can convert high-voltage electricity of the battery into low-voltage electricity so as to supply power to lamplight, sockets and the like in the electric automobile.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Fig. 1 is a flowchart illustrating steps of an emergency method for an electric vehicle according to an embodiment of the present invention, where the method may be applied to an electric vehicle, and as shown in fig. 1, the method may include:

and 101, receiving emergency operation of a user under the condition that a motor of the electric automobile breaks down.

In the process of driving of the electric automobile, the motor provides driving force to move forwards, and kinetic energy is recovered and converted into electric energy to be stored when the electric automobile decelerates, so that the electric automobile cannot continuously run when the motor breaks down, such as overload, disconnection, short circuit and the like. In the embodiment of the invention, when the electric automobile cannot run continuously due to a motor fault, and the battery disconnection relay stops supplying power to the electric automobile, the emergency operation of a user can be received, so that the electric automobile enters an emergency mode, wherein the emergency mode can represent a working mode in which electric equipment of the electric automobile continues to work to provide service for the user under the condition that the electric automobile cannot run due to the motor fault.

In the embodiment of the invention, the electric automobile can receive the emergency operation of the user, wherein the emergency operation can be press operation, voice input operation and the like. Optionally, the emergency operation of the user may be received through an operation receiving terminal arranged near a driver seat or a rear seat of the electric vehicle, when a motor of the electric vehicle fails, the user may be prompted that the electric vehicle fails currently, and a button of an "emergency mode" is provided, or voice is output to determine whether to activate the emergency mode ", or the like, and when a pressing operation of the user on the button of the" emergency mode "is received, or voice input operations of" determining to activate the emergency mode ", and determining to activate the emergency mode", the emergency operation of the user is determined to be received; or, the user may not be prompted, and the user emergency operation may be received when the electric vehicle stops running.

And 102, starting an emergency mode of the electric automobile according to the emergency operation.

In the embodiment of the invention, the emergency mode which needs to be started at the moment can be confirmed according to the received emergency operation, that is, under the condition that the motor stops working, electric energy needs to be supplied to electric equipment of the electric automobile, and optionally, a corresponding emergency instruction can be generated according to the emergency operation and sent to the electric automobile related equipment, such as a power supply, the electric equipment and the like, so that the emergency mode of the electric automobile is started.

And 103, according to the emergency mode, the battery of the electric automobile supplies power to the electric equipment of the electric automobile.

In the embodiment of the invention, the battery in the electric automobile can supply electric energy to the motor and the electric equipment in the electric automobile by closing the relay, and the electric energy can be stopped by controlling the relay to be disconnected after the motor of the electric automobile breaks down. When the motor of the electric automobile is in fault and the relay is in an off state, after the emergency mode is determined to be started, a control closing instruction can be sent to the battery relay according to the starting of the emergency mode, and the control closing instruction is used for informing the battery to close the relay, so that the battery can supply power to the electric equipment of the electric automobile again, and the emergency mode of the electric automobile is realized.

Fig. 2 is a flowchart illustrating steps of another emergency method for an electric vehicle according to an embodiment of the present invention. As shown in fig. 2, on the basis of fig. 1, before step 102, the method further includes:

and step 1021, acquiring battery state information of the battery.

In the embodiment of the present invention, before the emergency operation is received and the emergency mode is started according to the emergency operation, whether the emergency mode can be started may be determined according to a condition of the electric vehicle, at this time, current battery state information of the battery may be obtained, where the battery state information may be information that can reflect an actual state of the battery, such as a temperature, a working time, an electric quantity, a capacity, a voltage, and a current value of the battery, and this is not specifically limited in the embodiment of the present invention.

Optionally, step 102 comprises:

and a substep 1022 of judging whether the battery of the electric vehicle meets preset conditions according to the battery state information under the condition that the electric vehicle has no safety fault, wherein the safety fault comprises collision and/or high-voltage interlocking.

In the embodiment of the invention, whether the electric automobile has a safety fault is firstly confirmed, wherein the safety fault can be at least one of collision and high-voltage interlocking of the electric automobile or other faults which possibly cause inconvenience and danger in the power supply process, the fault selection operation of a user can be received, and the motion information of the electric automobile can be acquired through a vehicle-mounted sensor, so that whether the electric automobile has the safety fault of collision or not is determined, and the conditions that electric equipment, a battery, a circuit and the like are damaged by external force can occur under the collision condition; or, whether the information of the safety fault of the high-voltage interlock is received or not can be inquired, the high-voltage interlock is a safety detection mechanism of the electric automobile, the integrity of the high-voltage circuit is monitored by using a low-voltage signal, and the information of the safety fault of the high-voltage interlock can be reported when the shell of the high-voltage component is opened and/or the high-voltage plug-in is disconnected, namely the high-voltage circuit is incomplete. As can be seen from the above, when a safety failure occurs in the electric vehicle, the battery may supply power to the electric devices when the control relay is closed, which may cause a safety problem, and thus, the activation of the emergency mode may be stopped. In addition, whether the electric vehicle has a safety failure or not may be determined by collecting information by a vehicle-mounted sensor of the electric vehicle, or may be determined by receiving a failure selection operation of a user, which is not specifically limited in the embodiment of the present invention.

In the embodiment of the invention, under the condition that the electric automobile has no safety fault, the actual state of the battery can be determined according to the received battery state information, so that whether the battery meets the preset condition or not is determined. Optionally, the preset condition may be determined according to the state information in the normal working process of the battery, and when the state information of the battery does not satisfy the state information in the normal working process of the battery, the battery may be considered to be not compliant with the preset condition, and at this time, the start of the emergency mode may be stopped. In addition, after the emergency mode is stopped being started, the user is reminded that the current emergency mode is failed to be started, and the reason of the failure in starting is prompted, such as the safety fault of the electric automobile, the abnormal state of the battery and the like.

And a substep 1023 of starting an emergency mode of the electric vehicle according to the emergency operation when the battery meets a preset condition.

In the embodiment of the invention, under the condition that the battery meets the preset condition, namely the battery can normally work to supply power to the electric equipment of the electric automobile, at the moment, the relay can be controlled to be closed according to the closing control instruction so that the battery supplies power to the electric equipment of the electric automobile, and the emergency mode of the electric automobile under the condition of motor failure is started.

Optionally, the battery state information includes battery operating state information and battery state of charge information.

In this embodiment of the present invention, the battery state information may include battery operating state information and battery state of charge information, where the battery operating state information may include temperature information, capacity information, circuit information, cooling information, and the like of the battery, and the battery state of charge information may be remaining charge of the battery, and may also include a last charging time interval of the battery, battery power supply efficiency, and the like.

Optionally, substep 1022, comprises:

and a substep S11, judging whether the battery has a fault according to the battery running state information under the condition that the electric automobile has no safety fault.

And a substep S12, judging whether the battery electric quantity state information of the battery reaches a preset electric quantity threshold value under the condition that the battery does not have a fault.

And a substep S13, determining that the battery meets a preset condition when the battery power state information reaches a preset power threshold.

In the embodiment of the invention, under the condition that the electric automobile has no safety fault, whether the battery is in a normal working state can be judged according to the battery running state information, for example, whether the temperature of the battery is less than or equal to the normal temperature, whether the capacity is greater than or equal to the normal capacity, whether a circuit is disconnected or short-circuited, whether cooling is in normal running or not and the like, when at least one of the conditions is not met, the battery is considered to have a fault, and the fault can be considered to be a running fault which causes the battery to be incapable of running normally.

In the embodiment of the present invention, under the condition that the battery has not failed, it may be determined whether battery state of charge information of the battery reaches a preset electric quantity threshold, optionally, whether remaining electric quantity of the battery is greater than or equal to the preset electric quantity threshold, and may further include whether a time interval of last charging of the battery is less than or equal to a preset charging time threshold, whether power supply efficiency of the battery is greater than or equal to a preset power supply efficiency threshold, and the like. When the battery electric quantity state information does not reach the preset electric quantity threshold value, the battery can be considered not to be in accordance with the preset condition.

Optionally, after step 103, further comprising:

and 104, receiving equipment selection operation of a user.

In the embodiment of the present invention, after the emergency mode is turned on, a device selection operation of a user may also be received, and optionally, switches of each electrical device in the electric vehicle may be integrated in the same terminal, and the device selection operation of the user may be determined by receiving an on/off operation of the user for each electrical device switch, where the device selection operation may be a selection operation for an entity or a virtual switch key of each electrical device, and a specific form of the device selection operation is not limited in the embodiment of the present invention.

In the embodiment of the present invention, optionally, when the device selection operation is to correspondingly turn on the electrical device 1, the device adjustment operation of the user, such as adjusting the temperature, the air volume, the wind direction, and the like of the air conditioner, and the volume and the frequency of the broadcast, may be further received, so as to further ensure that the working state of the electrical device in the emergency mode meets the actual requirements of the user.

And 105, sending a starting instruction or a closing instruction to the electric equipment corresponding to the equipment selection operation according to the user selection operation.

In the embodiment of the invention, the electric equipment which the user wants to start or close can be determined according to the equipment selection operation, so that the starting instruction or the closing instruction is sent to the corresponding electric equipment, the electric equipment of the electric automobile can be started to enter a working state or shut down to enter a dormant state and the like according to the received starting instruction or the closing instruction, and the actual requirements of the user can be further met in an emergency mode, so that the user experience is improved.

Optionally, after step 103, further comprising:

and 106, acquiring the current battery state information of the electric automobile and power information sent by electric equipment corresponding to the equipment selection operation.

And 107, calculating power supply duration according to the battery state information and the power information.

In the embodiment of the present invention, the electrical equipment corresponding to the equipment selection operation includes electrical equipment that confirms sending of a start instruction in the equipment selection operation, that is, electrical equipment that is working, and optionally, when the equipment selection operation of the user is not received after the emergency mode is started, power information of the electrical equipment that is in a working state may be acquired; or, the power information may be automatically obtained every preset time from the power consumption device in the operating state, and the embodiment of the present invention is not limited in this respect. The power information transmitted by each electric device may be the actual electric power calculated by each electric device.

In the embodiment of the present invention, after the battery state information and the power information of the electrical equipment are obtained, the power supply duration time for which the remaining power of the battery is available for the electrical equipment to work may be calculated, and optionally, the total power of the electrical equipment in the working state may be divided by the remaining power, or the total power of the electrical equipment in the working state may be divided by the remaining power minus the reserved power, so as to avoid the battery life being affected by the over-discharge of the battery. In addition, the power consumption ratio of different electric devices can be calculated according to the power information of different electric devices. Optionally, after the emergency mode is started, a corresponding status flag may be generated to start the calculation of the corresponding power supply duration, which is not specifically limited in the embodiment of the present invention.

And step 108, prompting a user according to the power supply duration.

In the embodiment of the present invention, the user may be prompted after the power supply duration is calculated, and optionally, countdown information may be displayed in a display area of a terminal that receives the emergency operation of the user in the electric vehicle, for example, the countdown information of "2 hours and 30 minutes remain in the current emergency mode" is displayed and countdown is performed according to the lapse of time, or a prompt voice of "2 hours and 30 minutes remain in the current emergency mode" is output. Optionally, the power consumption ratio of the current power consumption equipment in the working state can be displayed, so that a user can visually and clearly know the power consumption information of each power consumption equipment, and the power consumption equipment in the working state can be reasonably arranged.

In the embodiment of the invention, after the user is prompted according to the power supply duration, the user can be prompted to call or wait for rescue, and the like, for example, the 'emergency mode can be used for 5 hours and the service station can be notified to come for rescue in time', or the 'emergency mode can be used for 5 hours and the service station sends out rescue and predicts 1 hour to arrive', and the like, so that the user can know the actual situation and further reasonably arrange the work of each piece of electric equipment.

According to the emergency method for the electric automobile, provided by the embodiment of the invention, when the electric automobile is forced to stop at a high-speed and rare-people road section due to the fact that the electric automobile cannot continuously run due to motor faults, power can be continuously supplied to electric equipment of the electric automobile according to emergency operation of a user, so that normal activities of the user are ensured, and the safety of the user is further ensured. In addition, the corresponding electric equipment can be started or closed in the power supply state according to the equipment selection operation of the user, the power supply duration time can be calculated according to the power information of the electric equipment started by the user and the battery power state information, and the power supply duration time is prompted to the user, so that the user can select to start or close the proper electric equipment according to the actual requirement and the environmental condition.

Fig. 3 is a block diagram illustrating an electric vehicle 300 according to an embodiment of the present invention, where as shown in fig. 3, the electric vehicle 300 may include a human-machine module 301, an emergency module 302, and a battery module 303;

the human-machine module 301 is configured to receive an emergency operation of a user when a motor of the electric vehicle fails.

The emergency module 302 is configured to start an emergency mode of the electric vehicle according to the emergency operation;

the battery module 303 is configured to supply power to the electric device of the electric vehicle according to the emergency mode.

Fig. 4 is a block diagram of another electric vehicle according to an embodiment of the present invention, as shown in fig. 4, on the basis of fig. 3, optionally, the battery module 303 is further configured to obtain battery state information of the battery;

the emergency module 302 comprises a battery judgment submodule 3021 and a power control submodule 3022;

the battery judgment submodule 3021 is configured to, when a safety fault does not occur in the electric vehicle, judge whether a battery of the electric vehicle meets a preset condition according to the battery state information, where the safety fault includes a collision and/or a high-voltage interlock;

the battery control submodule 3022 is configured to, when the battery meets a preset condition, start an emergency mode of the electric vehicle according to the emergency operation.

Optionally, the battery state information includes battery running state information and battery power state information; the battery judgment submodule 3021 includes a battery failure unit and a battery level unit;

the battery failure unit is used for judging whether the battery fails according to the battery running state information under the condition that the electric automobile does not fail safely;

the battery electric quantity unit is used for judging whether the battery electric quantity state information of the battery reaches a preset electric quantity threshold value or not under the condition that the battery does not break down, and determining that the battery meets a preset condition under the condition that the battery electric quantity state information reaches the preset electric quantity threshold value.

Optionally, the human-machine module 301 is further configured to receive a device selection operation of a user, and send a start instruction or a close instruction to an electric device corresponding to the device selection operation according to the user selection operation.

Optionally, the electric vehicle further comprises a calculation module 304;

the calculating module 304 is configured to obtain current battery state information of the electric vehicle and power information sent by an electric device corresponding to the device selection operation, and calculate a power supply duration according to the battery state information and the power information;

the human-machine module 301 is further configured to prompt a user according to the power supply duration.

According to the electric automobile provided by the embodiment of the invention, when the motor fails and cannot continuously run and is forced to stop at a high-speed road section with little smoke, and the like, power can be continuously supplied to electric equipment of the electric automobile according to the emergency operation of a user, so that the normal activity of the user is ensured, and the safety of the user is further ensured. In addition, the corresponding electric equipment can be started or closed in the power supply state according to the equipment selection operation of the user, the power supply duration time can be calculated according to the power information of the electric equipment started by the user and the battery power state information, and the power supply duration time is prompted to the user, so that the user can select to start or close the proper electric equipment according to the actual requirement and the environmental condition.

For the embodiment of the electric vehicle, because the embodiment is basically similar to the embodiment of the method, the description is simple, and the relevant points can be referred to the partial description of the embodiment of the method.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.