CN110492594A - Method for managing power supply, device and the driving assistance system of driving assistance system - Google Patents
Method for managing power supply, device and the driving assistance system of driving assistance system Download PDFInfo
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- CN110492594A CN110492594A CN201910692030.6A CN201910692030A CN110492594A CN 110492594 A CN110492594 A CN 110492594A CN 201910692030 A CN201910692030 A CN 201910692030A CN 110492594 A CN110492594 A CN 110492594A
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- power
- power supply
- assistance system
- driving assistance
- supply state
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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
- B60R16/03—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 supply of electrical power to vehicle subsystems or for
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/002—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which a reserve is maintained in an energy source by disconnecting non-critical loads, e.g. maintaining a reserve of charge in a vehicle battery for starting an engine
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/005—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting using a power saving mode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Traffic Control Systems (AREA)
Abstract
The embodiment of the invention discloses a kind of method for managing power supply of driving assistance system, device and driving assistance systems, wherein method includes: power supply state of the detection from the main power source to the driving assistance system；When determining the power supply state to power off, starting backup power source is powered to the driving assistance system, so that the AI processing unit of the driving assistance system keeps working condition to carry out storing data.The embodiment of the present invention can start backup power source in the case where vehicle power supply can not provide power supply, ensure that in the case where main power source power-off, still be able to memory of driving auxiliary data.Further, the voltage value that can monitor main power source closes a part driving auxiliary correlation module or unit with using electricity wisely and avoids unnecessary power-off caused by kwh loss when main power voltage is lower than preset value.
Description
Technical field
The present invention relates to intelligent driving technical field, especially a kind of method for managing power supply of driving assistance system, device
And driving assistance system.
Background technique
The development scientific and technological achievement of computer technology has incorporated the every aspect of people's life, brings very to people's life
It is mostly convenient.Intelligent automobile is the product that computer technology achievement is combined with modern automobile industry.Intelligent automobile is set more at present
It is equipped with the vehicle intelligents ancillary equipments such as real-time driving fatigue monitoring system, advanced driving assistance system.
Wherein, advanced driving assistance system (Advanced Driver Assistance System, ADAS) is main
Using the miscellaneous sensor being installed on vehicle, environmental data inside and outside first time collecting cart carries out quiet, goer
The technical processing such as identification, detecting and the tracking of body, so as to allow driver to discover possible generation in the most fast time
Danger, to arouse attention and improve the active safety technologies of safety.ADAS use sensor mainly have camera, radar,
Laser and ultrasonic wave etc. can detect light, heat, pressure or other for monitoring the variable of vehicle condition, be usually located at vehicle
On front/rear collision bumper, side-view mirror, control stick inside or windshield.
Based on ADAS technology is mainly alarmed with passive type at present, when vehicle detection is to potential danger, it can sound an alarm and mention
Awake motorist pays attention to abnormal vehicle or road conditions.For newest ADAS technology, active intervention is realized, it is main in the future to use
In unmanned field.The function of realizing at present has: analyzing video content using ADAS forward sight camera, it is alert to provide deviation
It accuses, keep the warning of front truck low coverage, front truck conflict alert.
And real-time driving fatigue monitoring system (Driver Monitor System, DMS) is a kind of based on physiological driver's reaction
The driver fatigue monitoring and warning scheme of feature is reacted based on physiological driver's image, by ECU and the big module group of camera two
At inferring the fatigue state of driver using the facial characteristics of driver, eye signal, head movement etc., and alarm
Prompt and take the device of corresponding measure.The safety guarantee of actively intelligence is given to driver.
Regardless of being advanced driving assistance system or real-time driving fatigue monitoring system, gradually becoming intelligent automobile must not
Can less a part, therefore vehicle carried driving ancillary equipment data storage, back up it is most important.
In the implementation of the present invention, inventors have found that existing vehicle carried driving ancillary equipment, for example, ADAS or
DMS system not will do it data storage in the power-off of its external vehicle power supply, and after power up, data therein can be all
Or partial loss, cause dates back poor.
Summary of the invention
One technical problem to be solved by the embodiment of the invention is that: a kind of power management side of driving assistance system is provided
Method, device and driving assistance system solve data after the power-off of external power supply existing for vehicle carried driving ancillary equipment in the prior art
The problem of loss.
According to an aspect of the invention, there is provided a kind of method for managing power supply of driving assistance system, the driving is auxiliary
The main power source of auxiliary system is from carrier vehicle, which comprises
Detection is from the main power source to the power supply state of the driving assistance system；
When determining the power supply state to power off, starting backup power source is powered to the driving assistance system, so that described
The AI processing unit of driving assistance system keeps working condition to carry out storing data.
The method also includes:
When determining the power supply state to power, the voltage value of the main power source is detected；
When the voltage value is lower than preset voltage value, controls big power consumption component in the driving assistance system and stop
Only work；Wherein, the big power consumption component is the component that power consumption is greater than preset power consumption value in the driving assistance system.
When detecting the voltage value optionally greater than the preset voltage value, it is extensive to control the big power consumption component
Multiple working condition.
The method also includes:
The power supply state is from when power interruption recovering to power supply, and the AI processing unit of the driving assistance system is by the number of storage
According to being sent to storage unit.
The method also includes:
When determining the power supply state to power off, power alarm information is sent to security platform；Or
The power supply state sends power alarm information to security platform from when power interruption recovering to power supply.
According to another aspect of the present invention, a kind of electric power controller of driving assistance system, described device are provided
Including power supply state detection unit and standby power unit, wherein
The power supply state detection unit, for detecting the power supply state of the main power source from the driving assistance system；
When determining the power supply state to power off, start the standby power unit；
The standby power unit, for when determining the power supply state to power off, Xiang Suoshu driving assistance system to be supplied
Electricity, so that the AI processing unit of the driving assistance system keeps working condition to carry out storing data.
Described device further includes voltage value detection unit, for determining the power supply shape in the power supply state detection unit
When state is power supply, the voltage value of the main power source is detected；When the voltage value is lower than preset voltage value, institute is notified
State the work that driving assistance system stops big power consumption component；Wherein, the big power consumption component is the driving assistance system
Middle power consumption is greater than the component of preset power consumption value；
When detecting the voltage value optionally greater than the preset voltage value, notify the driving assistance system extensive
The multiple big power consumption component working condition.
Described device further includes restoring storage unit, for determining the power supply state in the power supply state detection unit
From when power interruption recovering to power supply, notify the AI processing unit of the driving assistance system that the data of storage are sent to storage list
Member.
Described device further includes warning message unit, for determining the power supply state in the power supply state detection unit
When to power off or from when power interruption recovering to power supply, power alarm information is sent to security platform.
According to another aspect of the present invention, a kind of driving assistance system, including power management as described above dress are provided
It sets, further includes AI processing unit, storage unit, wherein
The electric power controller, for detecting the power supply state from main power source to the driving assistance system；It determines
When the power supply state is power-off, starting backup power source is powered to the driving assistance system, so that the AI processing unit is protected
It holds working condition and carries out storing data；
The AI processing unit, for when the voltage value is lower than preset voltage value, controlling the driving auxiliary
Big power consumption component stops working in system；Wherein, the big power consumption component is that power consumption is greater than in the driving assistance system
The component of preset power consumption value；When determining the power supply state to power off or the power supply state is from power interruption recovering to power supply
When, the data of storage are sent to the storage unit；Power alarm information is being sent to security platform；
The storage unit, for storing data.
Based on the above embodiment of the present invention provide driving assistance system power management scheme, can vehicle power supply without
It is automatic to start backup power source so that the AI processing unit of the driving assistance system keeps work shape in the case that method provides power supply
State carries out storing data.It ensure that in the case where vehicle power supply power-off, still be able to memory of driving auxiliary data, also, deposit
The driving auxiliary data of storage will not lose because of power-off.Meanwhile after vehicle power supply power-off, alarm can be provided to notify user
It repairs and disposes.Further, the voltage value that vehicle power supply main power source can be monitored, when vehicle power supply main power source electricity
It forces down when preset value, a part driving auxiliary correlation module or unit can be closed and avoid kwh loss from causing with using electricity wisely
Unnecessary power-off.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiment of the present invention, and together with description for explaining
The principle of the present invention.
The present invention can be more clearly understood according to following detailed description referring to attached drawing, in which:
Fig. 1 is the method for managing power supply principle flow chart of driving assistance system provided by one embodiment of the present invention.
Fig. 2 is the electric power controller structural schematic diagram of driving assistance system provided by one embodiment of the present invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
In the prior art, ADAS is using the miscellaneous sensor being installed on vehicle, inside and outside first time collecting cart
Environmental data, the technical processing such as quiet, dynamic object identification, detecting and tracking are carried out, so as to allow driver to exist
The most fast time discovers the danger that may occur, to arouse attention and improve the active safety technologies of safety.What ADAS was used
Sensor mainly has camera, radar, laser and ultrasonic wave etc., can detect light, heat, pressure or other for monitoring automobile shape
The variable of state is usually located inside the front/rear collision bumper, side-view mirror, control stick of vehicle or on windshield.
Driver tired driving early warning system is the early warning system for reminding driver to avoid fatigue driving.It is examined using face
Method of determining and calculating (AD_FACE algorithm), acquires the video image of driver, by the detection of facial biometric pattern technology, divides
Analysis and differentiation can mainly detect tired driver and drive (doze off, yawn), divert one's attention to drive (such as: glancing right and left, smoke, beating electricity
Words play mobile phone etc.), the bad steerings behavior such as furious driving, and issue different voice reminder drivers, be provided with for safe driving
The automobile active safety guarantee of effect.The video surveillance management system integration that 4G version can network with fleet is uploaded by 4G and is alarmed
The information such as signal, picture, video are to management backstage and generate the report such as " safety assistant driving report ", " driving behavior analysis report "
Table statistics, facilitates administrative staff to check.
The scheme of the present embodiment is based on existing driving assistance system, and existing driving assistance system includes multiple
Different system structure, for example, driver tired driving early warning system (DMS), advanced driving assistance system (ADAS) etc..Wherein
Driving assistance system, include in driving procedure each auxiliary driver remind or control process.It reminds and controls at these
During system, the trackability of data is likely to become the key that cause of accident determines in driver's portrait or driving accident.Cause
This, ensure not the losing of data, store in time it is most important.
In the prior art, whether ADAS or DMS being capable of normal storage number under system worked well state
According to, but it is not provided with power-off protection, once power-off, may cause data and fails to store in time, loss of data.
The main purpose of the present embodiment be to provide existing driving assistance system without reference to power management, especially
Improvement for Power Supply Monitoring therein and data storage aspect.
As shown in Figure 1, the method for managing power supply process of the driving assistance system provided for one exemplary embodiment of the disclosure
Figure, wherein the main power source of driving assistance system is from carrier vehicle.
Step 11, detection is from the main power source to the power supply state of the driving assistance system.
Step 12, when determining the power supply state to power off, starting backup power source is powered to the driving assistance system, with
Artificial intelligence (Artificial Intelligence, the AI) processing unit of the driving assistance system is set to keep working condition
Carry out storing data.
Illustratively, the main power source in the embodiment of the present invention can be for example vehicle power supply (e.g., vehicle accumulator), in this hair
In bright, driving assistance system can obtain power supply from vehicle power supply.And the power supply state in the present invention may include
Vehicle power supply is the state or off-position of driving assistance system normal power supply.
The present embodiment based on driving assistance system, may include AI intelligent circuit board (AI processing unit), camera, electricity
Source module, network module, storage unit and I/O interface module etc..Specifically, in camera acquisition vehicle driver's or vehicle
The image of interior other staff, and vehicle external environment image can also be acquired (for example, the images such as road image, traffic signals, vehicle
Unprofessional person, image of vehicle etc.), and by these image transmittings to the CPU in AI intelligent circuit board.CPU to these images into
The processing such as row image detection, image recognition, realizes the function of vehicle-mounted DMS and ADAS.
Power module and storage unit are connect with CPU, and power module is also connect with storage unit, are provided for storage unit
Power supply.One end of power module is connected with a vehicle-mounted power supply, and the main power source of driving assistance system, power module are obtained from vehicle power supply
Backup power source can also be set.
When AI processing unit, which detects, loses main power source, control power module starts backup power source, for AI processing list
Member power supply and storage unit power supply.When the power-off of AI processing unit loses main power source power supply, storing data, the data time of storage
At least 72 hours.Power-off restores again after, AI processing unit can alarm to security platform, to remind user to overhaul, and will
Data are transmitted to storage unit in time.It illustratively, can be by will such as power-off time, power-off duration, disconnected after power interruption recovering
At least one of driving condition when electric reason, power-off etc. data information is sent to security platform (for example, vehicle-mounted for safety instruction
System), these data can shows by vehicle-mounted icon by security platform, voice broadcast or to the transmission of user's intelligent terminal
The mode of prompt information is alarmed.
In addition, may be used also in the method for managing power supply for the driving assistance system that disclosure another exemplary embodiment provides
To include:
When determining the power supply state to power, the voltage value of the main power source is detected；
When the voltage value is lower than preset voltage value, controls big power consumption component in the driving assistance system and stop
Only work；Wherein, the big power consumption component is the component that power consumption is greater than preset power consumption value in the driving assistance system.In
When detecting that the voltage value is greater than or equal to the preset voltage value, controls the big power consumption component and resume work shape
State.
Illustratively, preset power consumption value is, for example, 0.3W.CPU in AI processing unit can be with real-time detection to vehicle accumulator
Voltage (supply voltage), when the voltage value is lower than voltage threshold, AI processing unit issues low-voltage alarm, and controls power consumption
Biggish component stops working (such as locating module, wireless communication module), to extend the powers duration of AI processing unit, ensures
AI processing unit carries out data storage in time, on the other hand, can extend storage battery service life, protect the normal work of vehicle.
In embodiments of the present invention, voltage pressure gate limit value is for example are as follows: 8.5V ± 0.5V.When detect vehicle accumulator voltage value be more than voltage
When high thresholdhigh, (or being more than low pressure threshold value certain period of time), AI processing unit restores the work of other components again
Make.
In the method for managing power supply for the driving assistance system that disclosure another exemplary embodiment provides, it can also wrap
It includes:
When power supply state is from when power interruption recovering to power supply, the AI processing unit of the driving assistance system is by the data of storage
It is sent to storage unit.
In the method for managing power supply for the driving assistance system that disclosure another exemplary embodiment provides, it can also wrap
It includes:
Power supply state sends power alarm information to security platform from when power interruption recovering to power supply.Alternatively, described in the determination
When power supply state is power-off, i.e., power alarm information is sent to security platform, to notify user to repair and dispose.
The present embodiment is based on driving assistance system, provides further power management scheme, can not in vehicle power supply
In the case where providing power supply, automatic starting backup power source provides power supply for storage unit, ensure that the feelings in vehicle power supply power-off
Under condition, it still is able to memory of driving auxiliary data, also, the driving auxiliary data stored will not lose because of power-off.Meanwhile
After vehicle power supply power-off, alarm can be provided to notify user to repair and dispose.Further, vehicle power supply can be monitored
Voltage value can close a part when car power supply voltage value is lower than certain numerical value and drive auxiliary correlation module or unit, with
Using electricity wisely avoids unnecessary power-off caused by kwh loss.
As shown in Fig. 2, the electric power controller structure of the driving assistance system provided for one exemplary embodiment of the disclosure
Schematic diagram, including power supply state detection unit 21 and standby power unit 22, wherein
The power supply state detection unit 21, for detecting the power supply shape of the main power source from the driving assistance system
State；When determining the power supply state to power off, start the standby power unit 22；
The standby power unit 22, for when determine the power supply state for power-off when, Xiang Suoshu driving assistance system
Power supply, so that the AI processing unit of the driving assistance system keeps working condition to carry out storing data.
Further, in the electric power controller for the driving assistance system that disclosure another exemplary embodiment provides,
It can also include voltage value detection unit 23, for determining that the power supply state is power supply in the power supply state detection unit 21
When, detect the voltage value of the main power source；When the voltage value is lower than preset voltage value, notify the driving auxiliary
Auxiliary system stops the work of big power consumption component；Wherein, the big power consumption component is that power consumption is big in the driving assistance system
In the component of preset power consumption value；
When detecting the voltage value optionally greater than the preset voltage value, notify the driving assistance system extensive
The multiple big power consumption component working condition.
In the electric power controller for the driving assistance system that disclosure another exemplary embodiment provides, can also include
Restore storage unit 24, for determining the power supply state from power interruption recovering to power supply in the power supply state detection unit 21
When, notify the AI processing unit of the driving assistance system that the data of storage are sent to storage unit.
In the electric power controller for the driving assistance system that disclosure another exemplary embodiment provides, can also include
Warning message unit 25 is used for when the power supply state detection unit 21 determines that the power supply state is power-off or extensive from powering off
When multiple extremely power supply, power alarm information is sent to security platform.
In the electric power controller for the driving assistance system that disclosure another exemplary embodiment provides, can also include
Intelligent circuit board, camera, central processor CPU and network unit, wherein
The intelligent circuit board, for providing each driving supplementary module and AI processing unit, standby power unit 23
Connection；
The camera, for acquiring in vehicle driver's or interior other staff's image, and acquisition vehicle
External environment image；And described image is transferred to central processor CPU；
The central processor CPU carries out image for providing control and scheduling to each unit, and to described image
Vehicle carried driving auxiliary is realized in detection, image recognition processing；
The network unit, the network connection being used to provide the described between device and server.
Further, one exemplary embodiment of the disclosure also provides a kind of driving assistance system, including above-mentioned power supply pipe
Manage device, wherein
It further include AI processing unit, storage unit, wherein
The electric power controller, for detecting the power supply state from main power source to the driving assistance system；It determines
When the power supply state is power-off, starting backup power source is powered to the driving assistance system, so that the AI processing unit is protected
It holds working condition and carries out storing data；
The AI processing unit, for when the voltage value is lower than preset voltage value, controlling the driving auxiliary
Big power consumption component stops working in system；Wherein, the big power consumption component is that power consumption is greater than in the driving assistance system
The component of preset power consumption value；Determine the power supply state for power-off when or from power interruption recovering to power supply when, by the number of storage
According to being sent to the storage unit；
The storage unit, for storing data.
It can also include security platform in the driving assistance system that disclosure another exemplary embodiment provides, it is described
Security platform, for receive and store the electric power controller determine the power supply state from power interruption recovering to power supply when,
The power alarm information of transmission.
As described above, in the present embodiment standby electricity can be started automatically in the case where vehicle power supply can not provide power supply
Source provides power supply for storage unit, ensure that in the case where vehicle power supply power-off, still is able to memory of driving auxiliary data, and
And the driving auxiliary data of storage will not lose because of power-off.Meanwhile after vehicle power supply power-off, alarm can be provided with logical
Know that user repairs and disposes.Further, the voltage that vehicle power supply can be monitored, when car power supply voltage is lower than a fixed number
When value, a part driving auxiliary correlation module can be closed or unit is avoided unnecessary caused by kwh loss with using electricity wisely
Power-off.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
The driving assistance system of the present embodiment, may include AI processing unit, camera, network module, storage unit and
I/O interface module etc..Specifically, driver's or interior other staff's image in camera acquisition vehicle, and may be used also
To acquire vehicle external environment image (for example, the images such as road image, traffic signals, vehicle unprofessional person, image of vehicle etc.), and
By these image transmittings to the CPU in AI intelligent circuit board.CPU carries out the processing such as image detection, image recognition to these images,
Realize the function of vehicle-mounted DMS and ADAS.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with its
The difference of its embodiment, the same or similar part cross-reference between each embodiment.For system embodiment
For, since it is substantially corresponding with embodiment of the method, so being described relatively simple, referring to the portion of embodiment of the method in place of correlation
It defends oneself bright.
Methods and apparatus of the present invention may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combination realize methods and apparatus of the present invention.The said sequence of the step of for the method
Merely to be illustrated, the step of method of the invention, is not limited to sequence described in detail above, special unless otherwise
It does not mentionlet alone bright.In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these programs
Including for realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for executing basis
The recording medium of the program of method of the invention.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (10)
1. a kind of method for managing power supply of driving assistance system, which is characterized in that the main power source of the driving assistance system comes from
In carrier vehicle, which comprises
Detection is from the main power source to the power supply state of the driving assistance system；
When determining the power supply state to power off, starting backup power source is powered to the driving assistance system, so that the driving
The AI processing unit of auxiliary system keeps working condition to carry out storing data.
2. the method according to claim 1, wherein the method also includes:
When determining the power supply state to power, the voltage value of the main power source is detected；
When the voltage value is lower than preset voltage value, controls big power consumption component in the driving assistance system and stop work
Make；Wherein, the big power consumption component is the component that power consumption is greater than preset power consumption value in the driving assistance system.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
When detecting that the voltage value is greater than or equal to the preset voltage value, controls the big power consumption component and restore
Working condition.
4. according to claim 1,2 or 3 any method, which is characterized in that the method also includes:
For the power supply state from when power interruption recovering to power supply, the AI processing unit of the driving assistance system sends out the data of storage
It send to storage unit.
5. according to the method described in claim 4, it is characterized in that, the method also includes:
When determining the power supply state to power off, power alarm information is sent to security platform；Or
The power supply state sends power alarm information to security platform from when power interruption recovering to power supply.
6. a kind of electric power controller of driving assistance system, which is characterized in that described device includes power supply state detection unit
And standby power unit, wherein
The power supply state detection unit, for detecting the power supply state of the main power source from the driving assistance system；When true
When the fixed power supply state is power-off, start the standby power unit；
The standby power unit, for when determine the power supply state for power-off when, Xiang Suoshu driving assistance system power supply, with
Make the AI processing unit of the driving assistance system that working condition be kept to carry out storing data.
7. device according to claim 6, which is characterized in that described device further includes voltage value detection unit, is used for
When the power supply state detection unit determines the power supply state to power, the voltage value of the main power source is detected；Institute
When stating voltage value lower than preset voltage value, the driving assistance system is notified to stop the work of big power consumption component；Wherein,
The big power consumption component is the component that power consumption is greater than preset power consumption value in the driving assistance system；
When detecting the voltage value optionally greater than the preset voltage value, the driving assistance system is notified to restore institute
State big power consumption component working condition.
8. device according to claim 6 or 7, which is characterized in that described device further includes restoring storage unit, is used for
The power supply state detection unit determines that the power supply state from when power interruption recovering to power supply, notifies the driving assistance system
The data of storage are sent to storage unit by AI processing unit.
9. device according to claim 6, which is characterized in that described device further includes warning message unit, in institute
It states when power supply state detection unit determines the power supply state to power off or from when power interruption recovering to power supply, is sent to security platform
Power alarm information.
10. a kind of driving assistance system, which is characterized in that including the electric power controller as described in claim 6~9 is any,
It further include AI processing unit and storage unit, wherein
The electric power controller, for detecting the power supply state from main power source to the driving assistance system；Described in determination
When power supply state is power-off, starting backup power source is powered to the driving assistance system, so that the AI processing unit keeps work
Make state and carries out storing data；
The AI processing unit, for controlling the driving assistance system when the voltage value is lower than preset voltage value
In big power consumption component stop working；Wherein, the big power consumption component is greater than default for power consumption in the driving assistance system
The component of power consumption number；In the power supply state from when power interruption recovering to power supply, it is single that the data of storage are sent to the storage
Member；
The storage unit, for storing data.
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