CN114261355A - Accuse safety control system in car - Google Patents
Accuse safety control system in car Download PDFInfo
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- CN114261355A CN114261355A CN202111667115.2A CN202111667115A CN114261355A CN 114261355 A CN114261355 A CN 114261355A CN 202111667115 A CN202111667115 A CN 202111667115A CN 114261355 A CN114261355 A CN 114261355A
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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
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Abstract
The invention relates to the technical field of vehicle intellectualization, in particular to an automobile central control safety control system, which comprises a main board system; the mainboard system comprises a central control processor, the central control processor is connected with a switching module, the switching module is connected with an auxiliary processor, and the auxiliary processor is connected with a backup memory; the central control processor is used for detecting whether the central control system is halted or not, and sending a switching instruction to the switching module when detecting that the central control system is halted; the switching module is used for receiving a switching instruction, and the switching module is used for giving control right for controlling each function of the automobile to the auxiliary processor after receiving the switching instruction; the auxiliary processor is used for reading temporary setting files of various functions of the automobile in the backup memory to control various functions of the automobile, and the backup memory is used for storing the temporary setting files of various functions of the automobile. The invention solves the technical problem that the prior art cannot cope with sudden crash of the central control system of the automobile.
Description
Technical Field
The invention relates to the technical field of vehicle intellectualization, in particular to an automobile central control safety control system.
Background
With the development of automobile technology, more and more automobiles adopt artificial intelligence technology to control the operation of the vehicles, for example, intelligently control the opening and closing of vehicle glass, the automatic opening and closing of vehicle doors, a vehicle body stabilizing system, active braking, voice control sound volume adjustment and the like. Through the artificial intelligence technology, the control steps of the user are greatly simplified, and the user experience is also improved. However, due to various unexpected reasons, the central control system of the running automobile often crashes suddenly, if the central control system of the automobile crashes suddenly, a large potential safety hazard is caused to the running automobile, and some functions of the running automobile cannot be used normally, and serious accidents are caused. For example, in rainy days, if a central control system of an automobile is suddenly halted, a window glass of the automobile is out of control (for example, continuously ascends and descends), so that rainwater may be poured into a cab in the automobile, the automobile wades into the water, the operation of a driver is affected, and finally an accident may be caused. Therefore, it is necessary to take measures against sudden crash of the central control system of the automobile, which is important for ensuring driving safety.
Disclosure of Invention
The invention provides an automobile central control safety control system, which solves the technical problem that the prior art cannot cope with sudden crash of the automobile central control system.
The basic scheme provided by the invention is as follows: a central control safety control system of an automobile comprises a main board system; the mainboard system comprises a central control processor, the central control processor is connected with a switching module, the switching module is connected with an auxiliary processor, and the auxiliary processor is connected with a backup memory;
the central control processor is used for detecting whether the central control system is halted or not, and sending a switching instruction to the switching module when detecting that the central control system is halted; the switching module is used for receiving a switching instruction, and the switching module is used for giving control right for controlling each function of the automobile to the auxiliary processor after receiving the switching instruction; the auxiliary processor is used for reading temporary setting files of various functions of the automobile in the backup memory to control various functions of the automobile, and the backup memory is used for storing the temporary setting files of various functions of the automobile.
The working principle and the advantages of the invention are as follows: if the central control system of the automobile crashes suddenly, the central control processor detects the crash condition of the central control system and sends a switching instruction to the switching module; and after receiving the switching instruction, the switching module gives the control right for controlling each function of the automobile to the auxiliary processor, and the auxiliary processor reads the temporary setting file of each function of the automobile in the backup memory and controls each function of the automobile. Therefore, in the driving process of the automobile, if the central control system of the automobile crashes suddenly, the control right for controlling each function of the automobile can be given to the auxiliary processor by the switching module for temporary control, and even if the central control system cannot work normally, the auxiliary processor can also work temporarily instead of the automobile, so that potential safety hazards cannot be caused to the running automobile, certain functions of the running automobile cannot be used normally, and the safety of the automobile is improved.
When the central control system of the automobile can not work normally, the auxiliary processor can temporarily replace the central control system to work, the condition that the central control system of the automobile crashes suddenly can be effectively dealt with, and the driving safety is improved.
Further, the switching module is used for detecting whether the auxiliary processor completes control of each function of the automobile; the switching module is used for sending a restarting command to the central control processor after detecting that the auxiliary processor finishes controlling various functions of the automobile, detecting whether the central control processor is closed within a first preset time period or not, and cutting off power supply of the central control processor when detecting that the central control processor is not closed within the first preset time period.
Has the advantages that: the switching module sends a restart command to the central control processor after detecting that the auxiliary processor completes control of various functions of the automobile, and if the switching module detects that the central control processor is not turned off within a first preset time period, the power supply of the central control processor is cut off, so that whether the central control processor is normal or not can be detected, and electric energy can be saved.
Further, the switching module is used for waiting for a second preset time period to recover the power supply of the central control processor after the power supply of the central control processor is cut off, and the switching module is used for sending a starting command to the central control processor after the power supply of the central control processor is recovered; the central control processor is used for sending a system normal signal to the switching module after recovering to be normal, and the switching module is used for cutting off the control of the auxiliary processor on each function of the vehicle after receiving the system normal signal and giving the control right of each function of the vehicle to the central control processor.
Has the advantages that: the method comprises the steps that after the central control processor recovers to be normal, a system normal signal is sent to the switching module, the switching module cuts off the control of the auxiliary processor on each function of the automobile after receiving the system normal signal, and the control right of each function of the automobile is given to the central control processor.
Further, the auxiliary processor is used for detecting whether the temporary setting file is damaged or not, and the auxiliary processor is used for reading the factory setting file to control each function of the automobile when detecting that the temporary setting file is damaged.
Has the advantages that: when the auxiliary processor detects that the temporary setting file is damaged, the factory setting file is read to control various functions of the automobile, and the auxiliary processor can also control various functions of the automobile under the emergency condition that the temporary setting file is damaged, so that the driving safety is ensured.
Further, the central control processor is used for detecting whether a user changes and sets various functions of the automobile through the central control system, and the central control processor is used for sending the changed settings to the auxiliary processor through the switching module when detecting that the user changes and sets various functions of the automobile through the central control system; the auxiliary processor is used for generating a temporary setting file according to the change setting and the factory setting file and storing the temporary setting file in the backup memory, and the backup processor is used for caching the temporary setting file in the cache to which the temporary setting file belongs.
Has the advantages that: when the central control processor detects the change setting of a user, the change setting is sent to the auxiliary processor through the switching module, the auxiliary processor generates a temporary setting file according to the change setting and the factory setting file and stores the temporary setting file in the backup memory, and when the central control system is halted, the auxiliary processor can control various functions of the automobile according to the change setting of the user, so that the application range is expanded, and the flexibility is improved.
Further, the central control processor is used for sending a detection command to the application program driver, and the central control processor is used for detecting whether the application program driver responds or not and judging whether the central control system is halted or not.
Has the advantages that: the central control processor detects whether the application program driver has response or not, judges whether the central control system is halted or not, has short detection and judgment time, can improve the driving safety of the automobile, and has mature technology and easy realization.
Further, the central control processor is used for obtaining the temporary setting file from the auxiliary processor and caching the temporary setting file into the cache after starting and before obtaining the control right of each function of the automobile.
Has the advantages that: and after the central control processor is started, the temporary setting file is acquired and cached in the affiliated cache before the control right of each function of the automobile is acquired, and each function of the automobile can be controlled according to the change setting of a user.
Further, the central control processor is connected with a main memory; the central control processor is used for self-checking whether the central control system has error information, storing the error information into the main memory when the central control system has the error information by self-checking, and the main memory is used for storing the error information.
Has the advantages that: when the central control processor self-checks that the error information occurs in the central control system, the error information is stored in the main memory, so that the central control system can be optimized and improved according to the error information.
Further, the switching module is connected with a vehicle machine communication module, and the vehicle machine communication module is used for communicating with a control module of each function of the automobile to control each function of the automobile.
Has the advantages that: and wireless communication is adopted, so that the technology is mature and the cost is low.
Further, the switching module is connected with a power supply module, and the power supply module is used for supplying power to the switching module; the central control processor is connected with a display system, and the display system is used for setting various functions of the automobile.
Has the advantages that: the power supply module is adopted to supply power to the switching module, so that the switching module is ensured to be available, and the condition of power failure is avoided; the central control processor is connected with the display system, so that a user can conveniently set various functions of the automobile through the display system.
Drawings
Fig. 1 is a block diagram of a system structure of an embodiment of a central control safety control system of an automobile according to the present invention.
Fig. 2 is a block diagram of a system structure of a central control processor according to an embodiment of the central control safety control system of the present invention.
Detailed Description
The following is further detailed by the specific embodiments:
example 1
An embodiment is substantially as shown in FIG. 1, comprising a motherboard system; the mainboard system comprises a central control processor, the central control processor is connected with a switching module, the switching module is connected with an auxiliary processor, and the auxiliary processor is connected with a backup memory;
the central control processor is used for detecting whether the central control system is halted or not, and sending a switching instruction to the switching module when detecting that the central control system is halted; the switching module is used for receiving a switching instruction, and the switching module is used for giving control right for controlling each function of the automobile to the auxiliary processor after receiving the switching instruction; the auxiliary processor is used for reading temporary setting files of various functions of the automobile in the backup memory to control various functions of the automobile, and the backup memory is used for storing the temporary setting files of various functions of the automobile.
In this embodiment, the operating system of the central control system is a Linux system or an android system, and each function of the automobile includes: the method comprises the steps of opening and closing of a vehicle window, opening and closing of a vehicle door, reversing images, seat massage, seat adjustment, sound playing, rearview mirror adjustment, skylight opening and closing, air conditioner opening and closing and the like. The central processor can adopt model SA820A, SA8155P or SA 8195; the central control processor is connected with a main memory, the main memory is an SSD memory, and the capacity of the main memory is more than 64G; the central control processor is further configured to self-check whether the central control system has error information, and if the central control processor self-checks that the central control system has error information, the central control processor stores the error information in the main memory, where the main memory is used to store the error information, specifically, as shown in fig. 2, the central control processor includes an automatic test module, and the automatic test module is used to automatically test the central control system to obtain the error information and obtain the error information to store in the main memory, so that when the central control processor self-checks that the central control system has error information, the central control processor stores the error information in the main memory, and is convenient to optimize and improve the central control system according to the error information. The auxiliary processor is a DSP processor, and the processing capacity of the DSP processor is high; the auxiliary processor is not provided with an output display function, the data processing amount is greatly reduced by not outputting the display function, and only the running kernel needs to be maintained, so that the switching instruction of the switching module is quickly responded, and the control right of each function of the automobile is quickly acquired.
The switching module may be an individual SOC processing chip, the switching module is connected with a wireless communication module, the wireless communication module is used for communicating with a client, and the wireless communication module includes functions of 5G, 4G, 3G, 2G, and the like. The switching module is connected with a vehicle-machine communication module, and the vehicle-machine communication module is used for communicating with a control module of each function of the automobile to control each function of the automobile; the switching module is connected with a power supply module, the power supply module is used for supplying power to the switching module, and the power supply module comprises a DC-DC module (which is used for converting direct current and can convert different voltages into required voltages) and can output voltages of 12V and 5V. The central control processor is further connected with a display system, the display system is used for a user to set various functions of the automobile, the display system comprises a display screen and a bonded touch input unit, the user can start a setting application program through the display system, and then various functions of the automobile are set according to actual needs.
In this embodiment, the central control processor sends a detection command to the application driver, and the central control processor detects whether the application driver responds to determine whether the central control system is halted, specifically, as shown in fig. 2, the central control processor includes a detection unit for determining whether the central control system is halted, where the determination method includes determining whether an application running in the central control system is abnormal or not and whether process communication is abnormal or sending a detection command to the application driver, and determining whether the central control system has a response to determine whether the central control system is halted or not, so as to determine whether the central control system is halted or not, and the required detection and determination time is short. If the central control system of the automobile crashes suddenly, the central control processor detects the crash condition of the central control system and sends a switching instruction to the switching module; the switching module firstly lights the warning lamp after receiving the switching instruction, sets the warning lamp to be red or red flashing to prompt a user to halt the central control system, the warning lamp can be arranged on an instrument to be displayed or independently set, then gives the control right for controlling various functions of the automobile to the auxiliary processor, reads temporary setting files of various functions of the automobile in the backup memory by the auxiliary processor, controls various functions of the automobile, and sets the warning lamp to be green or green flashing to prompt the user to take over various functions of the automobile by using the auxiliary processor after the auxiliary processor finishes the control of various functions of the automobile, so that the anxiety of the user is reduced. When the auxiliary processor reads the temporary setting files of all functions of the automobile in the backup memory, the auxiliary processor detects whether the temporary setting files are damaged or not, if the auxiliary processor detects that the temporary setting files are damaged, the factory setting files are read out to control all functions of the automobile, and under the emergency condition that the temporary setting files are damaged, the auxiliary processor can also control all functions of the automobile, so that the driving safety is ensured.
The specific procedure for handover is as follows: firstly, the switching module detects whether the auxiliary processor completes the control of each function of the automobile, and if the switching module detects that the auxiliary processor completes the control of each function of the automobile, the switching module sends a restart command to the central processor; then, the switching module detects whether the central control processor is closed within a first preset time interval, because when some special system errors occur, the central control processor cannot respond to a restart command in time, and the problem of failure in restarting exists; then, after the switching module cuts off the power supply of the central processor, waiting for a second preset time period and recovering the power supply of the central processor, and after the switching module recovers the power supply of the central processor, sending a starting command to the central processor; and finally, after the central control processor recovers to be normal, sending a system normal signal to the switching module, after the switching module receives the system normal signal, cutting off the control of the auxiliary processor on each function of the vehicle, and handing the control right of each function of the vehicle to the central control processor, and closing the warning lamp by the switching module.
By the mode, when the crash of the central control system is detected, the control right of each function of the automobile is firstly given to the auxiliary processor for temporary control, and after the central control processor is restarted safely, the control right is given to the central control processor to ensure that the auxiliary processor works temporarily and the central control processor works for a long time, so that the emergency of the crash of the central control system can be responded by the auxiliary processor, the normal condition of the central control system can be responded by the central control processor, and the working mode of the auxiliary processor and the central control processor can be switched, so that the driving safety can be effectively ensured. Therefore, in the driving process of the automobile, if the central control system of the automobile crashes suddenly, the control right for controlling each function of the automobile can be given to the auxiliary processor by the switching module for temporary control, and even if the central control system cannot work normally, the auxiliary processor can also work temporarily instead of the automobile, so that potential safety hazards cannot be caused to the running automobile, certain functions of the running automobile cannot be used normally, and the safety of the automobile is improved.
Example 2
The difference from the embodiment 1 is that when the auxiliary processor reads the temporary setting files of the functions of the automobile in the backup memory, the central control processor also detects whether the user changes the settings of the functions of the automobile through the central control system, and if so, the central control processor detects that the user changes the settings of the functions of the automobile through the central control system, the changed settings are sent to the auxiliary processor through the switching module; the auxiliary processor generates a temporary setting file according to the change setting and the factory setting file and stores the temporary setting file in the backup memory, and the backup processor caches the temporary setting file in the cache to which the temporary setting file belongs. By the mode, when the central control system is halted, the auxiliary processor can control various functions of the automobile according to the change of a user, the application range is expanded, and the flexibility is improved.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. A central control safety control system of an automobile comprises a main board system; the mainboard system comprises a central control processor, the central control processor is connected with a switching module, the switching module is connected with an auxiliary processor, and the auxiliary processor is connected with a backup memory;
the central control processor is used for detecting whether the central control system is halted or not, and sending a switching instruction to the switching module when detecting that the central control system is halted; the switching module is used for receiving a switching instruction, and the switching module is used for giving control right for controlling each function of the automobile to the auxiliary processor after receiving the switching instruction; the auxiliary processor is used for reading temporary setting files of various functions of the automobile in the backup memory to control various functions of the automobile, and the backup memory is used for storing the temporary setting files of various functions of the automobile.
2. The vehicle central control safety control system according to claim 1, wherein the switching module is configured to detect whether the auxiliary processor performs control of various functions of the vehicle; the switching module is used for sending a restarting command to the central control processor after detecting that the auxiliary processor finishes controlling various functions of the automobile, detecting whether the central control processor is closed within a first preset time period or not, and cutting off power supply of the central control processor when detecting that the central control processor is not closed within the first preset time period.
3. The vehicle central control safety control system according to claim 2, wherein the switching module is configured to wait for a second preset time period after the power supply of the central control processor is cut off to recover the power supply of the central control processor, and the switching module is configured to send a start command to the central control processor after the power supply of the central control processor is recovered; the central control processor is used for sending a system normal signal to the switching module after recovering to be normal, and the switching module is used for cutting off the control of the auxiliary processor on each function of the vehicle after receiving the system normal signal and giving the control right of each function of the vehicle to the central control processor.
4. The vehicle central control safety control system according to any one of claims 1 to 3, wherein the auxiliary processor is configured to detect whether the temporary setting file is damaged, and the auxiliary processor is configured to read the factory setting file to control each function of the vehicle when detecting that the temporary setting file is damaged.
5. The vehicle central control safety control system according to any one of claims 1 to 4, wherein the central control processor is configured to detect whether a user changes the settings of each function of the vehicle through the central control system, and the central control processor is configured to send the changed settings to the auxiliary processor through the switching module when detecting that the user changes the settings of each function of the vehicle through the central control system; the auxiliary processor is used for generating a temporary setting file according to the change setting and the factory setting file and storing the temporary setting file in the backup memory, and the backup processor is used for caching the temporary setting file in the cache to which the temporary setting file belongs.
6. The vehicle central control safety control system according to claim 5, wherein the central control processor is configured to send a detection command to the application driver, and the central control processor is configured to detect whether the application driver responds to determine whether the central control system crashes.
7. The vehicle central control safety control system according to claim 3, wherein the central control processor is configured to obtain the temporary setting file from the auxiliary processor and cache the temporary setting file in the cache before obtaining the control right of each function of the vehicle after starting.
8. The vehicle central control safety control system according to claim 6 or 7, wherein the central control processor is connected with a main memory; the central control processor is used for self-checking whether the central control system has error information, storing the error information into the main memory when the central control system has the error information by self-checking, and the main memory is used for storing the error information.
9. The vehicle central control safety control system according to claim 8, wherein the switching module is connected to a vehicle-mounted communication module, and the vehicle-mounted communication module is used for communicating with a control module of each function of the vehicle to control each function of the vehicle.
10. The vehicle central control safety control system according to claim 9, wherein the switching module is connected with a power module, and the power module is used for supplying power to the switching module; the central control processor is connected with a display system, and the display system is used for setting various functions of the automobile.
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| CN114721879A (en) * | 2022-05-19 | 2022-07-08 | 中诚华隆计算机技术有限公司 | SOC (System on chip), data backup method for SOC and electronic equipment |
| CN115877777A (en) * | 2023-01-30 | 2023-03-31 | 深圳市众鸿科技股份有限公司 | Intelligent cabin safety system and method based on one-chip multi-system |
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| 朱玉堂;梅鲁海;: "支持冗余和兼容设计的智能建筑综合管理系统", 电视技术 * |
| 赵学科: "基于AMT纯电动客车动力总成设计", 交通工程技术 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114328027A (en) * | 2021-12-31 | 2022-04-12 | 重庆电子工程职业学院 | Internet of vehicles safety control backup system |
| CN114328027B (en) * | 2021-12-31 | 2024-08-16 | 重庆电子工程职业学院 | Internet of vehicles safety control backup system |
| CN114721879A (en) * | 2022-05-19 | 2022-07-08 | 中诚华隆计算机技术有限公司 | SOC (System on chip), data backup method for SOC and electronic equipment |
| CN115877777A (en) * | 2023-01-30 | 2023-03-31 | 深圳市众鸿科技股份有限公司 | Intelligent cabin safety system and method based on one-chip multi-system |
| CN115877777B (en) * | 2023-01-30 | 2023-05-02 | 深圳市众鸿科技股份有限公司 | Intelligent cabin safety system and method based on one-core multi-system |
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| CN114261355B (en) | 2023-05-16 |
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