CN110136297A - Electric vehicle fault determination method, device, handheld device and storage medium - Google Patents
Electric vehicle fault determination method, device, handheld device and storage medium Download PDFInfo
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- CN110136297A CN110136297A CN201910440749.0A CN201910440749A CN110136297A CN 110136297 A CN110136297 A CN 110136297A CN 201910440749 A CN201910440749 A CN 201910440749A CN 110136297 A CN110136297 A CN 110136297A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/242—Query formulation
- G06F16/2428—Query predicate definition using graphical user interfaces, including menus and forms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2455—Query execution
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/248—Presentation of query results
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0808—Diagnosing performance data
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction
- G07C5/0825—Indicating performance data, e.g. occurrence of a malfunction using optical means
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
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Abstract
The invention discloses a kind of electric vehicle fault determination method, device, handheld device and storage mediums, this method comprises: receiving the detection instruction of user's triggering, wherein, detection instruction is used to indicate the module to be detected of electric vehicle, information inquiring request is sent to module to be detected, the operation information that module to be detected is fed back according to information inquiring request is received, determines whether module to be detected breaks down according to operation information.A certain module to be detected is detected by using user's triggering, the mode whether some module breaks down is automatically determined according to the operation information of the module to be detected, compared to the mode for determining failure according to the status information of vehicle at present, it can be when a certain module of user's strong suspicion breaks down, triggering detects the module, to improve the efficiency that electric vehicle failure determines.
Description
Technical field
The present embodiments relate to electric vehicle field more particularly to a kind of electric vehicle fault determination methods, device, hand
Holding equipment and storage medium.
Background technique
With the development of the automobile industry, the ownership of the electric vehicles such as electric bicycle, battery-operated motor cycle is increasing.?
In the uses of these electric vehicles, R&D process, it is extremely important how Maintenance and Repair to be carried out to electric vehicle.
Currently, disclosing vehicle mounted communication module elder generation collecting vehicle in the patent application document of Publication No. CN109218331A
Status information judges vehicle with the presence or absence of failure further according to car status information.
But above-mentioned maintenance process due to acquisition be vehicle status information, status information is more many and diverse, leads to failure
Detection efficiency is low.
Summary of the invention
The present invention provides a kind of electric vehicle fault determination method, device, handheld device and storage medium, current to solve
The lower technical problem of electric vehicle fault determination procedures efficiency.
In a first aspect, the embodiment of the present invention provides a kind of electric vehicle fault determination method, comprising:
Receive the detection instruction of user's triggering, wherein the detection instruction is used to indicate the module to be detected of electric vehicle;
Information inquiring request is sent to the module to be detected;
Receive the operation information that the module to be detected is fed back according to the information inquiring request;
Determine whether the module to be detected breaks down according to the operation information.
Second aspect, the embodiment of the present invention provide a kind of electric vehicle failure determination device, comprising:
First receiving module, for receiving the detection instruction of user's triggering, wherein the detection instruction is used to indicate electronic
The module to be detected of vehicle;
Sending module, for sending information inquiring request to the module to be detected;
Second receiving module is believed for receiving the module to be detected according to the operation that the information inquiring request is fed back
Breath;
Determining module, for determining whether the module to be detected breaks down according to the operation information.
The third aspect, the embodiment of the invention also provides a kind of handheld device, the handheld device includes:
One or more processors;
Memory, for storing one or more programs;
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes the electric vehicle fault determination method provided such as first aspect.
Fourth aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer
Program realizes the electric vehicle fault determination method provided such as first aspect when the program is executed by processor.
The embodiment of the invention provides a kind of electric vehicle fault determination method, device, handheld device and storage mediums, should
Method includes: to receive the detection instruction of user's triggering, wherein and detection instruction is used to indicate the module to be detected of electric vehicle, to
Module to be detected sends information inquiring request, receives the operation information that module to be detected is fed back according to information inquiring request, according to
Operation information determines whether module to be detected breaks down.A certain module to be detected is detected by using user's triggering, basis
The operation information of the module to be detected automatically determines the mode whether some module breaks down, compared at present according to vehicle
Status information determines the mode of failure, can be when a certain module of user's strong suspicion breaks down, and triggering carries out the module
Detection, thus, improve the efficiency that electric vehicle failure determines.
Detailed description of the invention
Fig. 1 is the flow diagram of electric vehicle fault determination method embodiment one provided by the invention;
Fig. 2A is the schematic diagram of one of embodiment illustrated in fig. 1 user interface;
Fig. 2 B is the schematic diagram of another user interface in embodiment illustrated in fig. 1;
Fig. 2 C is the schematic diagram of another user interface in embodiment illustrated in fig. 1;
Fig. 2 D is the schematic diagram of another user interface in embodiment illustrated in fig. 1;
Fig. 3 is the flow diagram of electric vehicle fault determination method embodiment two provided by the invention;
Fig. 4 is the schematic diagram of one of embodiment illustrated in fig. 3 user interface;
Fig. 5 is the flow diagram of electric vehicle fault determination method embodiment three provided by the invention;
Fig. 6 A is the schematic diagram of one of embodiment illustrated in fig. 5 user interface;
Fig. 6 B is the schematic diagram of another user interface in embodiment illustrated in fig. 5;
Fig. 7 is the structural schematic diagram of electric vehicle failure determination device embodiment provided by the invention;
Fig. 8 is the structural schematic diagram of handheld device provided by the invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Fig. 1 is the flow diagram of electric vehicle fault determination method embodiment one provided by the invention.The present embodiment is suitable
Scene for being overhauled to electric vehicle.The present embodiment can be executed by electric vehicle failure determination device, this is electronic
Vehicle trouble determining device can be realized that the electric vehicle failure determination device can integrate by the mode of software and/or hardware
In handheld device.As shown in Figure 1, electric vehicle fault determination method provided in this embodiment includes the following steps:
Step 101: receiving the detection instruction of user's triggering.
Wherein, detection instruction is used to indicate the module to be detected of electric vehicle.
Specifically, electric vehicle can be the electricity such as electric bicycle, battery-operated motor cycle or electric car in the present embodiment
Motor-car.User in the present embodiment can be research staff, after-sales staff, service personnel, the plant produced people of electric vehicle
Member or the consumer of electric vehicle.Electric vehicle failure determination device or handheld device in the present embodiment can pass through number
It is connected on the detection interface of electric vehicle according to line, such as 485 interfaces.Certainly, the electric vehicle failure determination device or hand
Holding equipment can also by other means, such as communication is connect, the present embodiment does not limit this with electric vehicle
System.
The module to be detected of electric vehicle can be the battery management system (Battery of electric vehicle in the present embodiment
Management System, BMS), electronic control unit (Electronic Control Unit, ECU), light control unit
(Light Control Unit, LCU), instrument, double cut controller, fast charger and vector controller (Field- at lock control
At least one of Oriented Controller, FOC).Wherein, lock control is the module on the electric vehicle for lease, lock
Control, which can be used for realizing, locks steering lock, unlock steering lock, opens the functions such as cushion lock, opening lock for rear box and unlock lock for rear box.
It is double cut controller can be used to implement by the out-put supply of two pieces of batteries it is in parallel after, power for vehicle.
It should be noted that can be indicated in the present embodiment, in detection instruction module to be detected be BMS, ECU, LCU or
A module or multiple modules in FOC.That is, user can be in primary triggering, one or more module of detection trigger.
Optionally, user can be touched by electric vehicle failure determination device or the key or touch screen of handheld device
Send out detection instruction.Fig. 2A is the schematic diagram of one of embodiment illustrated in fig. 1 user interface.As shown in Figure 2 A, user can lead to
The user interface 201 crossed on electric vehicle failure determination device or the touch screen of handheld device carrys out detection trigger instruction.Scheming
In 2A, user can click the icon " BMS_Info " of BMS to trigger the detection instruction detected to BMS.As shown in Figure 2 A,
Further include in the user interface 201 icon " ECU_Info " of ECU, the icon " LCU_Info " of LCU, instrument icon " DB_
Info ", the icon " LOCK_Info " of lock control, double icons " BCS_Info " and FOC for cutting controller icon " FOC_
Info”。
It optionally, can within a preset period of time, for example, 5 seconds if user needs to trigger the detection to multiple modules
It is interior, successively click the corresponding icon of multiple module.
In a kind of implementation, electric vehicle failure determination device or handheld device are in the trigger action for receiving user
Afterwards, the corresponding icon of module to be detected can be highlighted on the display screen.In another implementation, electric vehicle
Have under the corresponding icon of module to be detected each of on failure determination device or the display screen of handheld device one it is hollow
Dot, when touch screen can not operate, user can be triggered by physical button, in the trigger action for receiving user
Afterwards, the soft dot below the corresponding icon of module to be detected can be changed as black circle.
Step 102: sending information inquiring request to module to be detected.
Specifically, after receiving detection instruction, electric vehicle failure determination device or handheld device can refer to detection
The module to be detected indicated in order sends information inquiring request, to inquire the operation information of module to be detected.Information inquiry is asked
Module to be detected and electric vehicle failure determination device can be encapsulated in or communication protocol that handheld device is supported is corresponding by asking
Communication message in.
If user triggers to BMS, ECU, LCU, instrument, lock control, double cuts in controller, fast charger and FOC
Multiple modules are detected, then electric vehicle failure determination device or handheld device can send information to these modules respectively
Inquiry request.
It in a kind of implementation, is detected for the ease for the treatment of detection module, improves and send, receive the reliable of information
Property, it before step 102, needs that the bus in electric vehicle is allowed to be in idle condition, therefore, it is necessary to close the electricity of electric vehicle
Door lock.In the present embodiment, the electric door lock of electric vehicle can be turned off manually by user, for the electric vehicle for lease,
The electric door lock for closing electric vehicle can be automatically controlled by ECU.
When the electric door lock of electric vehicle is turned off manually by user, optionally, before step 102, the present embodiment provides
Electric vehicle fault determination method further include: prompt user close electric vehicle electric door lock.Fig. 2 B is embodiment illustrated in fig. 1
In another user interface schematic diagram.As shown in Figure 2 B, in user interface 202, display reminding information " PLSCONFM electric switch
Lock has been switched off 10 seconds or more " to prompt user to close the electric door lock of electric vehicle.At the same time it can also in the user interface 202
How middle display " clicking screen to continue " carries out next step operation, to improve use to prompt user after closing electric door lock
Family experience.
When being closed by ECU control electric door lock, before step 102, electric vehicle failure provided in this embodiment is determined
Method further include: electric door lock out code is sent to the ECU of electric vehicle, so that ECU closes the electric door lock of electric vehicle.ECU
After receiving electric door lock out code, control electric door lock is closed.
Optionally, when module to be detected is BMS, before step 102, user can also be prompted electric vehicle event
Barrier determining device or handheld device are connected directly between on battery interface.
Step 103: receiving the operation information that module to be detected is fed back according to information inquiring request.
Specifically, when module difference to be detected, the type of the operation information fed back be can also be different.Mould to be detected
Block can obtain operation information from the sensor of bottom document or hardware layer after receiving information inquiring request.
Optionally, electric vehicle failure determination device or handheld device, can be in screens after receiving operation information
Upper these operation informations of display.
In a kind of implementation, when module to be detected is BMS, operation information includes BMS status information.Further
Ground, the operation information can also include hardware version numbers, software version number, sequence number, circulating battery number, battery in BMS
Inclusion quantity, battery pack electricity percentage, battery pack total voltage, battery pack charging current, battery pack discharge current, inside battery pack
The voltage value of each group of battery in the real-time temperature values of 4 temperature sensors, battery pack.
Fig. 2 C is the schematic diagram of another user interface in embodiment illustrated in fig. 1.As shown in Figure 2 C, it illustrates when to
When detection module is BMS, the operation information that is shown in user interface 203.The operation information is shown in the form of upper and lower three column.
One column of the top is the status information of BMS, and the second column follows for the hardware version numbers in BMS, software version number, sequence number, battery
Ring number, battery inclusion quantity, battery pack electricity percentage, battery pack total voltage, battery pack charging current, battery pack electric discharge electricity
Stream, wherein T1, T2, T3, T4 are respectively the real-time temperature values of 4 temperature sensors inside battery pack.Third column is to be shown with figure
The voltage value of each group of battery in battery pack out.Further, to show electric vehicle failure on the right of one column of the top true
Determine the communication conditions of device or handheld device with BMS: communicating normal or communication failure.Optionally, on a left side for communication conditions
Side can show the figure of a setpoint color to visualize communication conditions: when communicating normal, frequency of the figure to set
Rate flashing, for example, green circle flashes;In communication failure, which disappears, and shows text " offline ".
It should be noted that sending information inquiry to module to be detected since operation information may include many parameters
When request, it can be and only send one query request, be also possible to send multiple information inquiring request, to obtain in operation information
Multiple parameters.For example, it can first be sent to module to be detected and obtain software version information and hardware revision information
Information inquiring request retransmits the information inquiring request of other operation informations such as the status information for obtaining BMS.Correspondingly, to be checked
Module is surveyed when to electric vehicle failure determination device or handheld device back-to-back running information, can be and taken in a message
The band all operation informations to be fed back are also possible to the particular content based on information inquiring request, gradation back-to-back running information, example
Such as, after receiving the information inquiring request for obtaining software version information and hardware revision information, first feedback software version letter
Breath and hardware revision information, later, in the information inquiring request for receiving other operation informations such as the status information for obtaining BMS
Afterwards, then other operation informations such as the status information of feeding back BMS.
Further, in order to get the operation information of module to be detected in real time, believe being sent to module to be detected
When ceasing inquiry request, it can be and send information inquiring request to module to be detected at set time intervals, for example, every 5 seconds
Information inquiring request is sent to module to be detected.In the specific implementation, timer can be set in software program, timer timing
Enter within 5 seconds and interrupts once.After entering the interrupt, will inquiry mark position be 1, main program inquire this flag bit be 1 after, Jiu Huizai
It is secondary to send information inquiring request to module to be detected.
Step 104: determining whether module to be detected breaks down according to operation information.
Specifically, after getting operation information, it can determine whether module to be detected breaks down according to operation information.
After determining that module to be detected breaks down, it can be with written form in electric vehicle failure determination device or handheld device
Display screen on show the information that the module to be detected breaks down.
In one implementation, multiple modules are detected if user triggers in a step 101, accordingly
Ground, can determine whether each in this multiple module to be detected breaks down at step 104.
In one implementation, when module to be detected is BMS, step 104 specifically be may is that when BMS status information
When for any in following information, determines that BMS breaks down: overcharging warning, over-discharge warning, the warning of charging overcurrent, discharged
Stream warning, the excessively high warning of battery temperature, the too low warning of battery temperature, battery are unbalanced and short-circuit.
In another implementation, operation information includes the software version number and hardware version numbers of module to be detected, step
Rapid 104 specifically may is that the mapping relations according to preset software version number and hardware version numbers, and, the software got
Version number and hardware version numbers, determine it is actually detected to software version number and hardware version numbers whether match, if mismatch,
Then determine that the module to be detected breaks down;Alternatively, determine it is actually detected to software version number whether be with known defect
Software version number, if it is, determining that the module to be detected breaks down;Alternatively, determining the actually detected hardware version arrived
It number whether is the hardware version numbers with known defect, if it is, determining that the module to be detected breaks down.
Fig. 2 D is the schematic diagram of another user interface in embodiment illustrated in fig. 1.As shown in Figure 2 D, in the user interface
In 204, show that module BMS to be detected breaks down.
Illustrate the process of electric vehicle fault determination method provided in this embodiment with a specific example below: electronic
Vehicle maintenance personnel, can be first true by electric vehicle failure involved in the present embodiment in the electric vehicle that maintenance is broken down
Determine in device or handset connection to the detection interface of electric vehicle;Then, maintenance personal's triggering is to some suspicious module
Detection instruction;The electric vehicle failure determination device or handheld device can execute step after receiving detection instruction
102- step 104 can terminate specifically to detect if finally determining that failure occurs in the suspicious module at step 104
Journey, maintenance personal can pointedly repair the suspicious module, if finally determining the suspicious mould at step 104
For block there is no breaking down, then maintenance personal can trigger the detection instruction to next suspicious module, repeat step
102- step 104, until determining that failure occurs in some module.Certainly, maintenance personal can also once trigger to it is multiple can
The detection instruction for doubting module, then can feed back whether each of this multiple suspicious module module breaks down at step 104
Testing result.
Electric vehicle fault determination method provided in this embodiment, comprising: receive the detection instruction of user's triggering, wherein
Detection instruction is used to indicate the module to be detected of electric vehicle, sends information inquiring request to module to be detected, receives to be detected
The operation information that module is fed back according to information inquiring request determines whether module to be detected breaks down according to operation information.It is logical
It crosses and a certain module to be detected is detected using user's triggering, some module is automatically determined according to the operation information of the module to be detected
The mode whether to break down can be in user's height compared to the mode for determining failure according to the status information of vehicle at present
When suspecting that a certain module breaks down, triggering detects the module, thus, improve the effect that electric vehicle failure determines
Rate.
Fig. 3 is the flow diagram of electric vehicle fault determination method embodiment two provided by the invention.The present embodiment exists
On the basis of each optinal plan given by embodiment one, treat detection module be ECU when, how to determine electric vehicle failure
Implementation is made one and is described in detail.As shown in figure 3, electric vehicle fault determination method provided in this embodiment includes following step
It is rapid:
Step 301: receiving the detection instruction of user's triggering.
Wherein, detection instruction is used to indicate the module to be detected of electric vehicle.
Step 301 is similar with the realization process and technical principle of step 101, and details are not described herein again.
Based on the implementation of embodiment one, user can click the icon of ECU in user interface 201 to trigger pair
The detection of ECU.
Step 302: the request of read-write mode is transmitted into ECU.
Step 303: receive ECU feedback enters the successful information of read-write mode.
It, just can back-to-back running information when specifically, due to only having ECU to be in read-write mode.Therefore, in the present embodiment,
Enter in read-write mode firstly the need of ECU.Specific implementation can be with are as follows: electric vehicle failure determination device or handheld device
After receiving detection instruction, step 302 and step 303 are executed.
Step 304: sending information inquiring request to module to be detected.
Step 304 is similar with the realization process and technical principle of step 102, and details are not described herein again.
In the present embodiment, user can also be prompted to close the electric door lock of electric vehicle before step 304.
Step 305: receiving the operation information that module to be detected is fed back according to information inquiring request.
In the present embodiment, electric vehicle failure determination device or handheld device be after receiving the operation information of ECU,
The operation information of ECU can be shown on the screen.
Optionally, the operation information of ECU may include: ECU receive network signal intensity, ECU software version number
And it is set to the sequence of user identity identification (Subscriber Identification Module, the SIM) card in ECU
Number.Further, operation information can also include: the hardware version numbers of ECU, the cell voltage of ECU, ECU sequence number,
The international mobile equipment identification number (International Mobile Equipment Identity, IMEI) and net of SIM card
The version number of network module.Wherein, the network signal intensity that ECU is received can be with general packet radio service technology (General
Packet Radio Service, GPRS) decibel (dB) value of signal, fourth generation mobile communication technology (4G) signal decibel value
Or the decibel value of long term evolution (Long Term Evolution, LTE) signal indicates.
Fig. 4 is the schematic diagram of one of embodiment illustrated in fig. 3 user interface.As shown in figure 4, showing in user interface 401
The operation information of ECU is gone out.
It should be noted that it is similar with embodiment one, it may include multiple parameters, electric vehicle in the operation information of ECU
Failure determination device or handheld device can be when sending information inquiring request to ECU and only send one query request,
It can be and send multiple information inquiring request.Correspondingly, ECU can be and carry in a message in back-to-back running information
All operation informations to be fed back are also possible to the particular content based on information inquiring request, gradation back-to-back running information.
Step 306: determining whether module to be detected breaks down according to operation information.
Specifically, in one implementation, when the operation information of ECU include: ECU receive network signal intensity,
When the sequence number of the software version number of ECU and the SIM card being set in ECU, step 306 specifically be may is that when ECU is received
Network signal intensity be lower than signal strength threshold when, determine ECU break down;When the software version number of ECU is with known
When the software version number of defect, determine that ECU breaks down;When the corresponding SIM card of the sequence number of SIM card is in non-normal use shape
When state, determine that ECU breaks down.
More specifically, causing to break down to ECU in order to avoid when electric vehicle is in signal and covers bad region
Whether erroneous judgement, when electric vehicle, which is in the signals such as basement, covers bad region, the network signal intensity received is low
When signal strength threshold, it is not considered as that ECU breaks down.
The non-normal use state of SIM card can be SIM and be in arrearage state or in unactivated state.In a kind of tool
In the application scenarios of body, when in the corresponding application program of the electric vehicle that the consumer feedback of electric vehicle installs on mobile phone
When can't see the electric vehicle information update, maintenance personal can trigger the detection instruction to ECU, which determines
Device or handheld device can execute step 302- step 306 after receiving detection instruction, as SIM in confirmation operation information
When the corresponding SIM card of the sequence number of card is in non-normal use state, confirmation ECU breaks down.Electric vehicle failure determines dress
It sets or handheld device can be by the use state of the corresponding SIM card of sequence number for the tool queries SIM card that operator provides.
Step 307: the request for exiting read-write mode is sent to ECU.
Specifically, after determining whether ECU breaks down, in order to allow ECU to restore normal mode, in the present embodiment,
It needs to send the request for exiting read-write mode to ECU.ECU upon receiving the request, exits read-write mode.
Electric vehicle fault determination method provided in this embodiment is believed when module to be detected is ECU sending to ECU
Before ceasing inquiry request, it is transmitted into the request of read-write mode to ECU, after determining whether failure, is exited to ECU transmission
The request of read-write mode realizes the detection to ECU module, further improves the efficiency that electric vehicle failure determines.
Fig. 5 is the flow diagram of electric vehicle fault determination method embodiment three provided by the invention.The present embodiment exists
On the basis of each optinal plan given by embodiment one, treat detection module be LCU, instrument, lock control, double controllers, fast cut
How charger or when FOC, determine the implementation of electric vehicle failure, make one and be described in detail.As shown in figure 5, this reality
The electric vehicle fault determination method for applying example offer includes the following steps:
Step 501: receiving the detection instruction of user's triggering.
Wherein, detection instruction is used to indicate the module to be detected of electric vehicle.
Step 301 is similar with the realization process and technical principle of step 101, and details are not described herein again.
Based on the implementation of embodiment one, user can click the figure of the icon of LCU, FOC in user interface 201
Mark, the icon of instrument, the icon of lock control, double icons for cutting controller or fast charger icon with detection trigger.
Step 502: the request of slave mode is transmitted into ECU.
Wherein, slave mode be ECU will not active transmission data mode.
Step 503: receive ECU feedback enters the successful information of slave mode.
Specifically, in the present embodiment, in detection LCU, instrument, lock control, double cut controller, fast charger or FOC
When, in order to allow ECU, active transmission data are not come out, to influence module to be detected and electric vehicle failure determination device or hand-held
The reliability of equipment communication, it is necessary first to ECU be allowed to enter slave mode.Specific implementation can be with are as follows: electric vehicle failure is true
Device or handheld device are determined after receiving detection instruction, execute step 502 and step 503.
ECU enters after slave mode, and the electric vehicle failure determination device or handheld device in the present embodiment can
With in bus LCU or FOC carry out the higher communication of reliability.
It should be noted that method provided in this embodiment can also prompt user to close electric vehicle before step 502
Electric door lock.
Step 504: prompt user opens the electric door lock of electric vehicle.
Specifically, after ECU enters slave mode, prompt user open electric vehicle electric door lock be in order to LCU,
Instrument, lock control, double controller, fast charger or FOC of cutting power.
Optionally, for the electric vehicle for lease, the electric switch for opening electric vehicle can also be automatically controlled by ECU
Lock.Then step 504 may be: electric door lock open command be sent to the ECU of electric vehicle, so that ECU opens electric vehicle
Electric door lock.ECU after receiving electric door lock open command, open by control electric door lock.
Step 505: sending information inquiring request to module to be detected.
Step 505 is similar with the realization process and technical principle of step 102, and details are not described herein again.
Step 506: receiving the operation information that module to be detected is fed back according to information inquiring request.
In the present embodiment, electric vehicle failure determination device or handheld device in the operation information for receiving LCU or
After the operation information of person FOC, these operation informations can be shown on the screen.
Optionally, the operation information of LCU may include: the hardware version numbers, software version number and LCU gyroscope of LCU
The information whether being calibrated.
Fig. 6 A is the schematic diagram of one of embodiment illustrated in fig. 5 user interface.As shown in Figure 6A, in user interface 601
In show the operation information of LCU.
The operation information of FOC may include: the software version number, software identification, software pattern, sequence number, specified electricity of FOC
Pressure, minimum voltage, maximum voltage, rated current and FOC status information.
Fig. 6 B is the schematic diagram of another user interface in embodiment illustrated in fig. 5.As shown in Figure 6B, in user interface
The operation information of FOC is shown in 602.
The operation information of instrument may include: the software version number and hardware version numbers of instrument.
The operation information of lock control may include: the software version number and hardware version numbers of lock control.
Double operation informations for cutting controller may include: double software version numbers and hardware version numbers for cutting controller.
The operation information of fast charger may include: the software version number and hardware version numbers of fast charger.
Step 507: determining whether module to be detected breaks down according to operation information.
When module to be detected is LCU, in a kind of implementation, operation information includes whether LCU gyroscope is calibrated
Information.Correspondingly, step 507 specifically: when operation information is that LCU gyroscope is not calibrated, determine that LCU breaks down.
In a kind of specific scene, when consumer feedback's electric vehicle turn signal of electric vehicle does not have after the completion of turning
It is automatically closed, maintenance personal can trigger the detection instruction to LCU, the electric vehicle failure determination device or handheld device
After receiving detection instruction, step 502- step 506 can be executed, when confirmation operation information is the gyroscope of LCU not by school
On time, confirmation LCU breaks down.
When module to be detected is FOC, in a kind of implementation, operation information includes FOC status information.Correspondingly, it walks
Rapid 507 specifically: when FOC status information be following information in it is any when, determine FOC break down: driving power failure
Warning, power tube failure warning, over-voltage warning, overcurrent warning, brownout warning, stall warning, brake off-position warning,
Phase shortage warning, the excessively high warning of FOC temperature, motor hall device failure warning, handle failure warning.
When module to be detected be instrument, lock control, it is double cut controller or fast charger when, operation information includes respective
Software version number and hardware version numbers, step 507 specifically: closed according to the mapping of preset software version number and hardware version numbers
System, and, the software version number and hardware version numbers got determines the actually detected software version number and hardware version numbers arrived
Whether match, if it does not match, determining that the module to be detected breaks down;Alternatively, determining the actually detected software version arrived
It number whether is the software version number with known defect, if it is, determining that the module to be detected breaks down;Alternatively, determining
It is actually detected to hardware version numbers whether be the hardware version numbers with known defect, if it is, determine the mould to be detected
Block breaks down.
Step 508: the request for exiting slave mode is sent to ECU.
Specifically, it determining LCU, instrument, lock control, double cutting whether controller, fast charger or FOC break down it
Afterwards, it in order to allow ECU to restore normal mode, in the present embodiment, needs to send the request for exiting slave mode to ECU.ECU is connecing
After receiving the request, slave mode is exited.
Electric vehicle fault determination method provided in this embodiment is LCU, instrument, lock control, double cuts control in module to be detected
When device processed, fast charger or FOC, before sending information inquiring request to module to be detected, slave is transmitted into ECU
The request of mode sends the request for exiting slave mode to ECU, in the process detected after determining whether failure
In, it is not influenced by ECU, ensure that and communicate between electric vehicle failure determination device or handheld device and module to be detected
Reliability improves the precision of fault detection.
Fig. 7 is the structural schematic diagram of electric vehicle failure determination device embodiment provided by the invention.As shown in fig. 7, this
The electric vehicle failure determination device that embodiment provides includes: the first receiving module 91, sending module 92, the second receiving module 93
And determining module 94.
First receiving module 91, for receiving the detection instruction of user's triggering.
Wherein, detection instruction is used to indicate the module to be detected of electric vehicle.
Sending module 92, for sending information inquiring request to module to be detected.
Second receiving module 93, the operation information fed back for receiving module to be detected according to information inquiring request.
Determining module 94, for determining whether module to be detected breaks down according to operation information.
Optionally, the device further include: cue module, for prompting user to close the electric door lock of electric vehicle.
Module to be detected in the present embodiment is at least one of BMS, ECU, LCU and FOC of electric vehicle.
Optionally, when module to be detected is BMS, operation information includes BMS status information.Correspondingly, determining module 94
It is specifically used for: when BMS status information is any in following information, determines that BMS breaks down: it is alert overcharges warning, over-discharge
Accuse, charging overcurrent warning, electric discharge overcurrent warning, battery temperature it is excessively high warning, battery temperature it is too low warning, battery it is unbalanced and
Short circuit.
Optionally, when module to be detected is ECU, sending module is also used to be transmitted into the request of read-write mode to ECU.
Second receiving module is also used to receive the entrance successful information of read-write mode of ECU feedback.Sending module is also used to send to ECU
Exit the request of read-write mode.Operation information include: ECU receive network signal intensity, ECU software version number and set
It is placed in the sequence number of the user identity identification SIM card in ECU.Correspondingly, determining module 94 is specifically used for: receiving as ECU
When network signal intensity is lower than signal strength threshold, determine that ECU breaks down;When the software version number of ECU is to lack with known
When sunken software version number, determine that ECU breaks down;When the corresponding SIM card of the sequence number of SIM card is in non-normal use state
When, determine that ECU breaks down.
It should be noted that when electric vehicle is in the signals such as basement and covers bad region, the network that receives
When signal strength is lower than signal strength threshold, it is not considered as that ECU breaks down.
Optionally, when module to be detected is LCU or FOC, sending module is also used to be transmitted into slave mode to ECU
Request.Wherein, slave mode be ECU will not active transmission data mode.Second receiving module is also used to receive ECU feedback
Into the successful information of slave mode.The electric door lock that cue module is also used to that user is prompted to open electric vehicle.Sending module is also
For: the request for exiting slave mode is sent to ECU.
When module to be detected is LCU, operation information includes the information whether LCU gyroscope is calibrated.Correspondingly, it determines
Module 94 is specifically used for: when operation information is that LCU gyroscope is not calibrated, determining that LCU breaks down.
When module to be detected is FOC, operation information includes FOC status information.Correspondingly, determining module 94 is specifically used
In: when FOC status information be following information in it is any when, determine FOC break down: driving power failure warning, power
Pipe failure warning, over-voltage warning, overcurrent warning, brownout warning, stall warning, brake off-position warning, phase shortage warning,
The excessively high warning of FOC temperature, motor hall device failure warning, handle failure warning.
Electric vehicle failure determination device provided by the embodiment of the present invention can be performed any embodiment of that present invention and be provided
Electric vehicle fault determination method, have the corresponding functional module of execution method and beneficial effect.
Fig. 8 is the structural schematic diagram of handheld device provided by the invention.As shown in figure 8, the handheld device includes processor
70 and memory 71.The quantity of processor 70 can be one or more in the handheld device, be with a processor 70 in Fig. 8
Example;The processor 70 of the handheld device can be connected with memory 71 by bus or other modes, to be connected by bus in Fig. 8
It is connected in example.
Memory 71 is used as a kind of computer readable storage medium, can be used for storing software program, journey can be performed in computer
Sequence and module, as in the embodiment of the present invention the corresponding program instruction of electric vehicle fault determination method and module (for example,
The first receiving module 91, sending module 92, the second receiving module 93 and determining module in electric vehicle failure determination device
94).Software program, instruction and the module that processor 70 is stored in memory 71 by operation, thereby executing handheld device
Various function application and data processing, that is, realize above-mentioned electric vehicle fault determination method.
Memory 71 can mainly include storing program area and storage data area, wherein storing program area can store operation system
Application program needed for system, at least one function;Storage data area, which can be stored, uses created data according to handheld device
Deng.In addition, memory 71 may include high-speed random access memory, it can also include nonvolatile memory, for example, at least
One disk memory, flush memory device or other non-volatile solid state memory parts.In some embodiments, memory 71
It can further comprise the memory remotely located relative to processor 70, these remote memories can pass through network connection to hand
Holding equipment.The embodiment of above-mentioned network includes but is not limited to internet, intranet, local area network, mobile radio communication and its group
It closes.
The present invention also provides a kind of storage medium comprising computer executable instructions, the computer executable instructions exist
For executing a kind of electric vehicle fault determination method when being executed by computer processor, this method comprises:
Receive the detection instruction of user's triggering, wherein the detection instruction is used to indicate the module to be detected of electric vehicle;
Information inquiring request is sent to the module to be detected;
Receive the operation information that the module to be detected is fed back according to the information inquiring request;
Determine whether the module to be detected breaks down according to the operation information.
Certainly, a kind of storage medium comprising computer executable instructions, computer provided by the embodiment of the present invention
The method operation that executable instruction is not limited to the described above, can also be performed electric vehicle provided by any embodiment of the invention
Relevant operation in fault determination method.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are with so that a computer is set
Standby (can be personal computer, server or the network equipment etc.) or handheld device execute each embodiment institute of the present invention
The method stated.
It is worth noting that, in the embodiment of above-mentioned electric vehicle failure determination device, included each unit and mould
Block is only divided according to the functional logic, but is not limited to the above division, and is as long as corresponding functions can be realized
It can;In addition, the specific name of each functional unit is also only for convenience of distinguishing each other, the protection model being not intended to restrict the invention
It encloses.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (12)
1. a kind of electric vehicle fault determination method characterized by comprising
Receive the detection instruction of user's triggering, wherein the detection instruction is used to indicate the module to be detected of electric vehicle;
Information inquiring request is sent to the module to be detected;
Receive the operation information that the module to be detected is fed back according to the information inquiring request;
Determine whether the module to be detected breaks down according to the operation information.
2. the method according to claim 1, wherein described send information inquiring request to the module to be detected
Before, the method also includes:
The user is prompted to close the electric door lock of the electric vehicle;Alternatively,
Electric door lock out code is sent to the electronic control unit ECU of the electric vehicle, so that ECU closing is described electronic
The electric door lock of vehicle.
3. method according to claim 1 or 2, which is characterized in that the module to be detected is the electricity of the electric vehicle
Pond management system BMS, ECU, light control unit LCU, instrument, lock control, double controller, fast charger and vector controlled are cut
At least one of device FOC.
4. according to the method described in claim 3, it is characterized in that, when the module to be detected be BMS when, the operation information
Including BMS status information;
It is described to determine whether the module to be detected breaks down according to the operation information, comprising:
When the BMS status information is any in following information, determine that the BMS breaks down:
Overcharge warning, over-discharge warning, charging overcurrent warning, electric discharge overcurrent warning, battery temperature it is excessively high warning, battery temperature it is too low
Warning, battery are unbalanced and short-circuit.
5. according to the method described in claim 3, it is characterized in that, when the module to be detected be ECU when, it is described to it is described to
Before detection module sends information inquiring request, the method also includes:
The request of read-write mode is transmitted into the ECU;
Receive the ECU feedback enters the successful information of read-write mode;
It is described determine whether the module to be detected breaks down according to the operation information after, the method also includes:
The request for exiting read-write mode is sent to the ECU.
6. according to the method described in claim 5, it is characterized in that, the operation information includes: the network signal that ECU is received
The sequence number of intensity, the software version number of ECU and the user identity identification SIM card being set in the ECU;
It is described to determine whether the module to be detected breaks down according to the operation information, comprising:
When the network signal intensity that the ECU is received is lower than signal strength threshold, determine that the ECU breaks down;
When the software version number of the ECU is the software version number with known defect, determine that the ECU breaks down;
When the corresponding SIM card of the sequence number of the SIM card is in non-normal use state, determine that the ECU breaks down.
7. according to the method described in claim 3, it is characterized in that, when the module to be detected is LCU, instrument, lock control, double cuts
When controller, fast charger or FOC, it is described send information inquiring request to the module to be detected before, the method is also
Include:
The request of slave mode is transmitted into ECU, wherein the slave mode is that the ECU will not active transmission data
Mode;
Receive the ECU feedback enters the successful information of slave mode;
The user is prompted to open the electric door lock of the electric vehicle;
It is described determine whether the module to be detected breaks down according to the operation information after, the method also includes:
The request for exiting slave mode is sent to the ECU.
8. the method according to the description of claim 7 is characterized in that when the module to be detected be LCU when, the operation information
The information whether being calibrated including LCU gyroscope;
It is described to determine whether the module to be detected breaks down according to the operation information, comprising:
When the operation information is that the LCU gyroscope is not calibrated, determine that the LCU breaks down.
9. the method according to the description of claim 7 is characterized in that when the module to be detected be FOC when, the operation information
Including FOC status information;
It is described to determine whether the module to be detected breaks down according to the operation information, comprising:
When the FOC status information is any in following information, determine that the FOC breaks down:
Driving power failure warning, power tube failure warning, over-voltage warning, overcurrent warning, brownout warning, stall warning,
Off-position of braking warning, phase shortage warning, the excessively high warning of FOC temperature, motor hall device failure warning, handle failure warning.
10. a kind of electric vehicle failure determination device characterized by comprising
First receiving module, for receiving the detection instruction of user's triggering, wherein the detection instruction is used to indicate electric vehicle
Module to be detected;
Sending module, for sending information inquiring request to the module to be detected;
Second receiving module, the operation information fed back for receiving the module to be detected according to the information inquiring request;
Determining module, for determining whether the module to be detected breaks down according to the operation information.
11. a kind of handheld device, which is characterized in that the handheld device includes:
One or more processors;
Memory, for storing one or more programs;
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
The now electric vehicle fault determination method as described in any in claim 1-9.
12. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The electric vehicle fault determination method as described in any in claim 1-9 is realized when execution.
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