CN107215292B - A kind of control method of vehicle control device, vehicle control device and automobile - Google Patents
A kind of control method of vehicle control device, vehicle control device and automobile Download PDFInfo
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- CN107215292B CN107215292B CN201710639027.9A CN201710639027A CN107215292B CN 107215292 B CN107215292 B CN 107215292B CN 201710639027 A CN201710639027 A CN 201710639027A CN 107215292 B CN107215292 B CN 107215292B
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- vehicle control
- control device
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- controlling
- vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The present invention provides a kind of control method of vehicle control device, vehicle control device and automobiles, this method comprises: acquisition vehicle control device powers on number;The vehicle control device power on number be more than it is preset power on frequency threshold value when, generate a control instruction;According to the control instruction, the application function for controlling the vehicle control device enters disabled state.The problem of present invention solves after vehicle control device is unloaded, and technology is easy to cause to reveal.
Description
Technical field
The present invention relates to automobile technical field, in particular to a kind of control method of vehicle control device, vehicle control device and
Automobile.
Background technique
Usually there is more vehicle control device, such as entire car controller on automobile;And each vehicle with key function
Controller usually carries the key technology of producer, if being easy to cause technology to reveal after such vehicle control device is unloaded, no
Conducive to the technical know-how of producer.
Summary of the invention
The present invention provides a kind of control method of vehicle control device, vehicle control device and automobiles, and its purpose is to solve
After certainly vehicle control device is unloaded, the problem of being easy to cause technology to reveal.
On the one hand, the embodiment provides a kind of control methods of vehicle control device, this method comprises:
Obtain vehicle control device powers on number;
The vehicle control device power on number be more than it is preset power on frequency threshold value when, generate a control instruction;
According to the control instruction, the application function for controlling the vehicle control device enters disabled state.
Preferably, this method further include:
According to the control instruction, the management function for controlling the vehicle control device is in enabled state.
Preferably, this method further include:
When the power supply of the vehicle control device disconnects or accesses, the number that powers on of the vehicle control device is updated, and deposit
Storage is in the Electrically Erasable Programmable Read-Only Memory of the vehicle control device.
Preferably, described according to the control instruction, the management function for controlling the vehicle control device is in enabled state
The step of, comprising:
According to the control instruction, controls the network management message sending function of the vehicle control device, diagnostic function, stops
Dormancy function and/or arousal function are in enabled state.
Preferably, described according to the control instruction, the management function for controlling the vehicle control device is in enabled state
The step of, comprising:
According to the control instruction, the vehicle control device is controlled according to predetermined period, is periodically sent out to automobile bus
The notice message for sending the application function of the vehicle control device to enter disabled state.
Preferably, after the step of application function of the control vehicle control device enters disabled state, this method
Further include:
According to preset manner of decryption, after the vehicle control device is decrypted, it is enabled for restoring the application function
State.
Preferably, described according to preset manner of decryption, the step of the vehicle control device is decrypted, comprising:
After using vehicle control device described in access cryptographic acess by diagnostic function, number is powered on described in rewriting or erasing;
Or
By preset decryption message, number is powered on described in rewriting.
On the other hand, the embodiments of the present invention also provide a kind of vehicle control devices, comprising:
Module is obtained, powers on number for obtain vehicle control device;
Directive generation module, for the vehicle control device power on number be more than it is preset power on frequency threshold value when,
Generate a control instruction;
First control module, for according to the control instruction, the application function for controlling the vehicle control device to enter taboo
It can state.
Preferably, the vehicle control device further include:
Second control module, for according to the control instruction, the management function for controlling the vehicle control device, which is in, to be made
It can state.
Preferably, the vehicle control device further include:
Update module, for updating the vehicle control device when the power supply of the vehicle control device disconnects or accesses
Number is powered on, and is stored in the Electrically Erasable Programmable Read-Only Memory of the vehicle control device.
Preferably, second control module includes:
First control submodule, for controlling the network management message of the vehicle control device according to the control instruction
Sending function, diagnostic function, sleep mode and/or arousal function are in enabled state.
Preferably, second control module includes:
Second control submodule, for controlling the vehicle control device according to predetermined period, week according to the control instruction
Enter to phase property the notice message of disabled state to the application function that automobile bus sends the vehicle control device.
Preferably, the vehicle control device further include:
Deciphering module, the application function for controlling the vehicle control device in first control module enter forbidden energy shape
After state,
According to preset manner of decryption, after the vehicle control device is decrypted, it is enabled for restoring the application function
State.
Preferably, the deciphering module is used for:
After using vehicle control device described in access cryptographic acess by diagnostic function, number is powered on described in rewriting or erasing;
Or
By preset decryption message, number is powered on described in rewriting.
On the other hand, the embodiments of the present invention also provide a kind of automobiles, including above-mentioned vehicle control device.
Another aspect the embodiments of the present invention also provide a kind of controller, including memory, processor and is stored in institute
The computer program that can be run on memory and on the processor is stated, the processor reads the journey in the memory
Sequence executes the step in the control method of above-mentioned vehicle control device.
In another aspect, the embodiments of the present invention also provide a kind of automobile, including above controller.
Above scheme of the invention is include at least the following beneficial effects:
Control method, vehicle control device and the automobile of vehicle control device provided by the invention, by obtaining vehicle control device
Power on number, the vehicle control device power on number be more than it is preset power on frequency threshold value when, generate a control instruction,
The application function for controlling the vehicle control device enters disabled state, and the period sends characterization message and indicates the specific forbidden energy shape
State;Only after carrying out access decryption again to vehicle control device, controller function restores enabled state, can effectively prevent vehicle
The key function technology leakage of controller, prevents vehicle control device by mark, guarantees the technical security of vehicle control device;This hair
It is bright to solve after vehicle control device is unloaded, the problem of being easy to cause technology to reveal.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 shows the basic step flow charts of the control method of the vehicle control device in the embodiment of the present invention;
Fig. 2 indicates the block diagram of the vehicle control device in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the embodiment provides a kind of control methods of vehicle control device, this method comprises:
Step 101, obtain vehicle control device powers on number.
Wherein, vehicle control device can be various controller in vehicle, such as entire car controller, electric machine controller etc..
Power on i.e. vehicle control device plant-grid connection.Vehicle control device is recorded and is updated and power on number in each plant-grid connection.
Step 102, the vehicle control device power on number be more than it is preset power on frequency threshold value when, generate one control
Instruction.
Under normal conditions, when automobile normally starts or closes, vehicle control device enters dormant state, without powering off;Only when
When the low tension battery electricity of power supply exhausts, vehicle control device power-off;And in the whole life cycle of vehicle control device, it may be only
Power off it is few in number several times, such as.And when the number that powers in the vehicle control device is more than preset powers on time
When number threshold value, show that vehicle control device is possible to be powered on extremely, it is possible to cause technology to be revealed, therefore, work as vehicle control device
The number that powers on be more than preset when powering on frequency threshold value, generate a control instruction.
Step 103, according to the control instruction, the application function for controlling the vehicle control device enters disabled state.
Wherein, when generating the control instruction, the application function for controlling the vehicle control device enters disabled state, answers
Included at least with function: the control vehicle that vehicle control device participates in acts relevant practical application function, and vehicle control device participates in
Normal network communications function (except the specific message of network management association message and the modeling), and in embedded operation
BootLoader (BootLoader) in system writes with a brush dipped in Chinese ink function.According to control instruction, by application function forbidden energy, to avoid
Key technology leakage.
Preferably, this method further include:
According to the control instruction, the management function for controlling the vehicle control device is in enabled state.
In this step, in order to guarantee vehicle control device in normal use, powers on number and reach the feelings for powering on frequency threshold value
Condition, vehicle control device can be used, and the management function of vehicle control device should be made to keep enabled state.
Specifically, described according to the control instruction, the management function for controlling the vehicle control device is in enabled state
The step of, comprising:
According to the control instruction, controls the network management message sending function of the vehicle control device, diagnostic function, stops
Dormancy function and/or arousal function are in enabled state.
In this step, management function includes: the transmission of (1) network management message, so that vehicle can also be cooperateed with into low function
Consumption mode, energy saving;(2) correlation function is diagnosed, so as to vehicle response dependent diagnostic request;(3) dormancy awakening function;
(4) the function disabled state lower period sends the message of characterization disabled state, is prohibited with indicating that the vehicle control device is in application function
It can state.
Preferably, this method further include:
When the power supply of the vehicle control device disconnects or accesses, the number that powers on of the vehicle control device is updated, and deposit
Storage is in the Electrically Erasable Programmable Read-Only Memory of the vehicle control device.
In this step, only when the power supply of controller disconnects or accesses, update the vehicle control device powers on number;
When either every secondary source disconnects, update powers on number;When either accessing every time, update powers on number;And it is following when occurring
Several situations, do not update and power on number: (1) any type of software reset that vehicle control device itself function is realized;(2) vehicle
The suspend mode and awakening mode that controller itself function is realized;(3) when vehicle control device self diagnosis goes out catastrophe failure, power supply is disconnected
After access.
Preferably, described according to the control instruction, the management function for controlling the vehicle control device is in enabled state
The step of, comprising:
According to the control instruction, the vehicle control device is controlled according to predetermined period, is periodically sent out to automobile bus
The notice message for sending the application function of the vehicle control device to enter disabled state.
Wherein, it after the application function of vehicle control device is in disabled state, should periodically be sent to automobile bus
Notice message, the current application function of instruction vehicle control device are in disabled state, make each controller on automobile bus
Receive the notice message.
Preferably, after the step of application function of the control vehicle control device enters disabled state, this method
Further include:
According to preset manner of decryption, after the vehicle control device is decrypted, it is enabled for restoring the application function
State.
Wherein, it after the application function forbidden energy of vehicle control device, if desired lifts a ban, it can be according to preset decryption side
Formula, restoring the application function is enabled state;For example, can define specific decryption mutual message, the rewriting that shake hands is powered on time
Number.
Preferably, described according to preset manner of decryption, the step of the vehicle control device is decrypted, comprising:
After using vehicle control device described in access cryptographic acess by diagnostic function, number is powered on described in rewriting or erasing;
Or
By preset decryption message, number is powered on described in rewriting.
Wherein, it can directly pass through write service by diagnostic function after passing through using access cryptosecurity access, rewrite
Number is powered on, number will be powered on and be changed to zero;Or diagnostic function is used, after secure access passes through, again by routine service request
Seed, the process for sending seed carry out after powering on number decryption oprerations, can rewrite by write service and power on number;Or it uses
Diagnostic function after secure access passes through, powers on number again by the erasing of routine service request, controller can be according to the hard of itself
Part switch setting is related to allow erased conditions, and the modes such as progress erasing operation, which are rewritten, later powers on number.It can also be by preset
Message is decrypted, powers on number described in rewriting.
In the above embodiment of the present invention, number is powered on by acquisition vehicle control device, in the vehicle control device
Powering on number is more than preset when powering on frequency threshold value, generates a control instruction, controls the application function of the vehicle control device
Into disabled state, and the period sends characterization message and indicates the specific disabled state;Only when being connect again to vehicle control device
After entering decryption, controller function restores enabled state, can effectively prevent the key function technology of vehicle control device from leaking, and prevents
Only vehicle control device guarantees the technical security of vehicle control device by mark;The present invention solves after vehicle control device is unloaded, and holds
The problem of easily leading to technology leakage.
Referring to fig. 2, the embodiments of the present invention also provide a kind of vehicle control devices 200, comprising:
Module 201 is obtained, powers on number for obtain vehicle control device 200;
Wherein, vehicle control device 200 can be the various controller in vehicle, such as entire car controller, electric machine controller
Deng.Power on i.e. 200 plant-grid connection of vehicle control device.Vehicle control device 200 is recorded and is updated and power on time in each plant-grid connection
Number.
Directive generation module 202 powers on frequency threshold value more than preset for the number that powers in vehicle control device 200
When, generate a control instruction.
Under normal conditions, when automobile normally starts or closes, vehicle control device 200 enters dormant state, without powering off;Only
When the low tension battery electricity of power supply exhausts, vehicle control device 200 is powered off;And the whole life cycle of vehicle control device 200
In, may only power off it is few in number several times, such as.And when the number that powers in vehicle control device 200 is more than default
When powering on frequency threshold value, show vehicle control device 200 be possible to powered on extremely, it is possible to cause technology to be revealed, therefore, when
The number that powers on of vehicle control device 200 is more than preset when powering on frequency threshold value, generates a control instruction.
First control module 203, for controlling the application function of the vehicle control device 200 according to the control instruction
Into disabled state.
Wherein, when generating the control instruction, the application function for controlling the vehicle control device 200 enters forbidden energy shape
State, application function include at least: the control vehicle that vehicle control device 200 participates in acts relevant practical application function, vehicle control
The normal network communications function (except the specific message of network management association message and the modeling) that device 200 processed participates in, and
BootLoader (BootLoader) in embedded OS writes with a brush dipped in Chinese ink function.According to control instruction, function will be applied
Energy forbidden energy, to avoid key technology leakage.
Preferably, the vehicle control device 200 further include:
Second control module, for according to the control instruction, the management function for controlling the vehicle control device 200 to be in
Enabled state.
Preferably, the vehicle control device 200 further include:
Update module, for updating the vehicle control device when the power supply of the vehicle control device 200 disconnects or accesses
200 power on number, and are stored in the Electrically Erasable Programmable Read-Only Memory of the vehicle control device 200.
Preferably, second control module includes:
First control submodule, for controlling the network management report of the vehicle control device 200 according to the control instruction
Literary sending function, diagnostic function, sleep mode and/or arousal function are in enabled state.
Preferably, second control module includes:
Second control submodule, for controlling the vehicle control device 200 according to default week according to the control instruction
Phase periodically enters the notice message of disabled state to the application function that automobile bus sends the vehicle control device 200.
Preferably, the vehicle control device 200 further include:
Deciphering module, the application function for controlling the vehicle control device 200 in first control module 203 enter
After disabled state, according to preset manner of decryption, after the vehicle control device 200 is decrypted, restores described and apply function
It can be enabled state.
Preferably, the deciphering module is used for:
After using vehicle control device 200 described in access cryptographic acess by diagnostic function, powered on described in rewriting or erasing secondary
Number;Or by preset decryption message, number is powered on described in rewriting.
On the other hand, the embodiments of the present invention also provide a kind of automobiles, including above-mentioned vehicle control device 200.
Another aspect the embodiments of the present invention also provide a kind of controller, including memory, processor and is stored in institute
The computer program that can be run on memory and on the processor is stated, the processor reads the journey in the memory
Sequence executes the step in the control method of above-mentioned vehicle control device 200.
In another aspect, the embodiments of the present invention also provide a kind of automobile, including above controller.
In the above embodiment of the present invention, number is powered on by acquisition vehicle control device 200, in vehicle control device 200
The number that powers on be more than preset when powering on frequency threshold value, generate a control instruction, control the application of the vehicle control device 200
Function enters disabled state, and the period sends characterization message and indicates the specific disabled state;Only carried out when to vehicle control device 200
Again after access decryption, controller function restores enabled state, can effectively prevent the key function skill of vehicle control device 200
Art leakage prevents vehicle control device 200 by mark, guarantees the technical security of vehicle control device 200;The present invention solves vehicle control
After device 200 processed is unloaded, the problem of being easy to cause technology to reveal.
It should be noted that vehicle control device provided in an embodiment of the present invention is the device using the above method, i.e., it is above-mentioned
All embodiments of method are suitable for the device, and can reach the same or similar beneficial effect.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (15)
1. a kind of control method of vehicle control device characterized by comprising
Obtain vehicle control device powers on number;
The vehicle control device power on number be more than it is preset power on frequency threshold value when, generate a control instruction;
According to the control instruction, the application function for controlling the vehicle control device enters disabled state, the application function packet
Include: BootLoader in embedded OS writes with a brush dipped in Chinese ink function;
According to the control instruction, the management function for controlling the vehicle control device is in enabled state.
2. the method according to claim 1, wherein further include:
When the power supply of the vehicle control device disconnects or accesses, the number that powers on of the vehicle control device is updated, and be stored in
In the Electrically Erasable Programmable Read-Only Memory of the vehicle control device.
3. controlling the vehicle control the method according to claim 1, wherein described according to the control instruction
The management function of device processed is in the step of enabled state, comprising:
According to the control instruction, network management message sending function, diagnostic function, the suspend mode function of the vehicle control device are controlled
Energy and/or arousal function are in enabled state.
4. controlling the vehicle control the method according to claim 1, wherein described according to the control instruction
The management function of device processed is in the step of enabled state, comprising:
According to the control instruction, the vehicle control device is controlled according to predetermined period, periodically sends institute to automobile bus
The application function for stating vehicle control device enters the notice message of disabled state.
5. the method according to claim 1, wherein the application function of the control vehicle control device enters
After the step of disabled state, further includes:
According to preset manner of decryption, after the vehicle control device is decrypted, restoring the application function is enabled state.
6. according to the method described in claim 5, it is characterized in that, described according to preset manner of decryption, to the vehicle control
The step of device processed is decrypted, comprising:
After using vehicle control device described in access cryptographic acess by diagnostic function, number is powered on described in rewriting or erasing;Or
By preset decryption message, number is powered on described in rewriting.
7. a kind of vehicle control device characterized by comprising
Module is obtained, powers on number for obtain vehicle control device;
Directive generation module, for the vehicle control device power on number be more than it is preset power on frequency threshold value when, generate
One control instruction;
First control module, for according to the control instruction, the application function for controlling the vehicle control device to enter forbidden energy shape
State, the application function include: that BootLoader in embedded OS writes with a brush dipped in Chinese ink function;
Second control module, for according to the control instruction, the management function for controlling the vehicle control device to be in enabled shape
State.
8. vehicle control device according to claim 7, which is characterized in that further include:
Update module, for updating powering on for the vehicle control device when the power supply of the vehicle control device disconnects or accesses
Number, and be stored in the Electrically Erasable Programmable Read-Only Memory of the vehicle control device.
9. vehicle control device according to claim 7, which is characterized in that second control module includes:
First control submodule, for according to the control instruction, the network management message for controlling the vehicle control device to be sent
Function, diagnostic function, sleep mode and/or arousal function are in enabled state.
10. vehicle control device according to claim 7, which is characterized in that second control module includes:
Second control submodule, for controlling the vehicle control device according to predetermined period, periodically according to the control instruction
Ground enters the notice message of disabled state to the application function that automobile bus sends the vehicle control device.
11. vehicle control device according to claim 7, which is characterized in that further include:
Deciphering module, the application function for controlling the vehicle control device in first control module enter disabled state it
Afterwards,
According to preset manner of decryption, after the vehicle control device is decrypted, restoring the application function is enabled state.
12. vehicle control device according to claim 11, which is characterized in that the deciphering module is used for:
After using vehicle control device described in access cryptographic acess by diagnostic function, number is powered on described in rewriting or erasing;Or
By preset decryption message, number is powered on described in rewriting.
13. a kind of automobile characterized by comprising the vehicle control device as described in any one of claim 7 to 12.
14. a kind of controller, including memory, processor and it is stored on the memory and can runs on the processor
Computer program, which is characterized in that the processor reads the program in the memory, executes as in claim 1 to 6
Step in the control method of described in any item vehicle control devices.
15. a kind of automobile characterized by comprising controller as claimed in claim 14.
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CN108549362B (en) * | 2018-03-30 | 2021-03-02 | 北京新能源汽车股份有限公司 | Information processing method and device of automobile controller |
CN112537203B (en) * | 2019-09-23 | 2022-04-05 | 北京新能源汽车股份有限公司 | Low-voltage storage battery power-on control method and device of electric automobile and electric automobile |
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