CN113489596A - Sleep control method, T-BOX and computer-readable storage medium - Google Patents
Sleep control method, T-BOX and computer-readable storage medium Download PDFInfo
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- CN113489596A CN113489596A CN202110583301.1A CN202110583301A CN113489596A CN 113489596 A CN113489596 A CN 113489596A CN 202110583301 A CN202110583301 A CN 202110583301A CN 113489596 A CN113489596 A CN 113489596A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
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Abstract
A sleep control method, a T-BOX and a computer-readable storage medium, the sleep control method comprising: when the power-off of the whole vehicle is monitored, judging whether the T-Box meets the dormancy condition; if yes, informing each service module to sleep, controlling to disconnect the connection between the MCU and the remote service platform, and controlling the MCU to perform RTC periodic wake-up operation so that the T-Box enters a low-power-consumption sleep mode; and when the T-Box is in the low-power-consumption sleep mode and continues for a preset time period and the power-on event of the whole vehicle is not detected, the MCU controls the power supply chip to be turned off so that the T-Box enters the ultra-low-power-consumption sleep mode. According to the invention, by formulating the sleep logics of the T-Box in different modes, the phenomenon that the T-Box does not sleep after the whole vehicle is powered off to cause power failure of the vehicle is effectively avoided, the service life of the vehicle is prolonged, and meanwhile, a user can still experience intelligent experience brought by the Internet of vehicles module in the low-power sleep mode.
Description
Technical Field
The present invention relates to the field of automobiles, and more particularly, to a sleep control method, a T-BOX, and a computer readable storage medium.
Background
The vehicle networking module (T-BOX) is a junction for connecting the whole vehicle and the remote service platform, and the vehicle networking module uploads the CAN data of the whole vehicle or the data (GPS) of the vehicle networking module to the remote service platform in a fixed format. The car networking module is used as an important component of a control unit of the car system, and the quality of a dormancy strategy of the car networking module directly has important influence on the energy-saving index and the user experience of the whole car system.
In the prior art, a dormancy control mechanism of an internet of vehicles module cannot well monitor whether the internet of vehicles module is in normal dormancy, and the phenomenon of power failure of a vehicle due to non-dormancy of the T-BOX can occur after the whole vehicle is powered off, so that the service life of the whole vehicle is influenced. Moreover, the dormancy control mechanism of the existing car networking module directly controls the car networking module to sleep when the whole car is powered off, so that a user cannot remotely control the car again in a short time after flameout, and the user experience is poor.
Disclosure of Invention
In view of the above, it is necessary to provide a sleep control method, a T-BOX and a computer-readable storage medium for solving the problems in the prior art that a power failure of a vehicle may occur due to non-sleep of the T-BOX after the vehicle is powered off and the user experience is poor.
A sleep control method of a T-Box, wherein the T-Box comprises a sleep module, an MCU, a power chip and a plurality of service modules, the sleep control method is applied to the sleep module, and the method comprises the following steps:
when the power-off of the whole vehicle is monitored, judging whether the T-Box meets a dormancy condition;
if yes, informing each service module to sleep, controlling to disconnect the connection between the MCU and a remote service platform, and controlling the MCU to perform RTC periodic wake-up operation so that the T-Box enters a low-power sleep mode;
and when the T-Box is in a low-power-consumption sleep mode and continues for a preset time period and a power-on event of the whole vehicle is not detected, controlling the power supply chip to be closed through the MCU so as to enable the T-Box to enter an ultra-low-power-consumption sleep mode.
Further, in the sleep control method, the step of controlling the MCU to disconnect from the remote service platform includes:
and sending a frame of whole vehicle message to a remote service platform, and controlling the MCU and the remote service platform to be disconnected after maintaining a preset number of heartbeats.
Further, in the sleep control method, the step of determining whether the T-Box satisfies the sleep condition includes:
monitoring message information on the CAN bus;
and when the dormancy message of the whole vehicle is detected or any application message of the whole vehicle is not detected within the first preset time, determining that the T-BOX meets the dormancy condition.
Further, in the sleep control method, the step of controlling the MCU to perform the RTC periodic wake-up operation further includes:
reading GPS position information after a preset number of RTC awakening periods at intervals, and determining whether the T-Box moves or not according to the GPS position information;
and if so, waking up the T-Box.
Further, the sleep control method further includes:
when the whole vehicle is powered on for the first time and enters a normal mode and the T-BOX meets a dormancy awakening condition, monitoring the voltage of the whole vehicle;
and when the voltage is smaller than a threshold value, controlling the power supply chip to be closed through the MCU so as to enable the T-Box to enter an ultra-low power consumption sleep mode.
The invention also discloses a T-Box, which comprises a dormancy module, an MCU, a power chip and a plurality of service modules, wherein the dormancy module comprises:
the judging unit is used for judging whether the T-Box meets the dormancy condition or not when the power-off of the whole vehicle is monitored;
the first control unit is used for informing each business module to sleep when the T-Box meets a sleep condition, controlling to disconnect the connection between the MCU and a remote service platform, and controlling the MCU to perform RTC periodic wake-up operation so as to enable the T-Box to enter a low-power-consumption sleep mode;
and the second control unit is used for controlling the power supply chip to be closed through the MCU when the T-Box is in the low-power-consumption sleep mode and continues for a preset time period without detecting a power-on event of the whole vehicle, so that the T-Box enters the ultra-low-power-consumption sleep mode.
Further, in the T-Box, the step of controlling the MCU to disconnect from the remote service platform includes:
and sending a frame of whole vehicle message to a remote service platform, and controlling the MCU and the remote service platform to be disconnected after maintaining a preset number of heartbeats.
Further, the step of determining whether the T-Box satisfies the hibernation condition includes:
monitoring message information on the CAN bus;
and when the dormancy message of the whole vehicle is detected or any application message of the whole vehicle is not detected within the first preset time, determining that the T-BOX meets the dormancy condition.
Further, the sleep module further includes:
the inquiry unit is used for reading GPS position information after a preset number of RTC awakening periods are separated, and determining whether the T-Box moves or not according to the GPS position information;
and the awakening unit is used for awakening the T-Box when the T-Box moves.
The invention also discloses a computer readable storage medium having a program stored thereon, which when executed by a processor implements any of the methods described above.
According to the invention, by formulating the sleep logics of the T-Box in different modes, the phenomenon that the T-Box does not sleep after the whole vehicle is powered off to cause power failure of the vehicle is effectively avoided, the service life of the vehicle is prolonged, and meanwhile, a user can still experience intelligent experience brought by the Internet of vehicles module in the low-power sleep mode.
Drawings
FIG. 1 is a flowchart illustrating a sleep control method for a T-Box according to a first embodiment of the present invention;
FIG. 2 is a flowchart illustrating a sleep control method for a T-Box according to a second embodiment of the present invention;
FIG. 3 is a block diagram showing the structure of a T-Box in a third embodiment of the present invention;
fig. 4 is a block diagram of a sleep module according to a third embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited correspondingly. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
The T-BOX (car networking module) is an important component for enabling a user to remotely control a vehicle. The T-Box is connected with the remote service platform, and the remote service platform sends a remote control instruction to the T-Box to remotely control the vehicle. The remote service platform has the function of receiving the data actively uploaded by the T-Box and analyzing and displaying the data actively uploaded by the T-Box. The T-Box is responsible for collecting relevant data of all functional modules (including the T-Box) from the CAN bus of the whole vehicle, and then packaging the data according to a set protocol format and actively uploading the data to a remote service platform.
The T-Box comprises a dormancy module, an MCU, a power supply chip, a plurality of service modules and the like, wherein the dormancy module is used for controlling the dormancy of the T-Box. The sleep control method of the T-Box is applied to the sleep module.
Referring to FIG. 1, a sleep control method for a T-Box according to a first embodiment of the present invention includes steps S11-S13.
And S11, when the power-off of the whole vehicle is monitored, judging whether the T-Box meets the dormancy condition.
When the whole vehicle is powered off, the whole vehicle CAN send a power state signal to the CAN bus. The power status signal, such as IGN, ECALL, CHARGE OFF, is typically a continuous low signal. The dormancy module can receive the signals in real time and judge that the whole vehicle is powered off. When the power-off of the whole vehicle is detected, whether the T-Box can be in a dormant state or not is judged, the dormant message of the vehicle is mainly detected, and whether the T-Box meets the dormant condition or not is judged according to the detected dormant message.
For a vehicle with network management, other modules of the whole vehicle can send a dormancy message to inform the T-Box, and if the dormancy module detects that all the modules send the dormancy message, the T-Box is judged to meet the dormancy condition. Other modules of the whole vehicle, such as a remote communication module, a remote control module, a remote diagnosis module, a K line, a local diagnosis module and the like, report the BUSY or IDLE state to the dormancy module according to the service condition, and the dormancy module records the state of each service module.
For a vehicle without network management, other modules of the whole vehicle cannot send sleep messages to the bus, and the T-Box does not know when each part sleeps. Therefore, when the application messages sent by other modules are not received within a period of time (e.g. 30s), it can be determined that the T-Box satisfies the sleep condition.
And S12, when the T-Box meets the sleep condition, notifying each service module to sleep, controlling to disconnect the connection between the MCU and the remote service platform, and controlling the MCU to perform RTC periodic wake-up operation, so that the T-Box enters a low-power sleep mode.
When the sleep module judges that the T-Box meets the sleep condition, the sleep module sends a SUSPEND event to inform all service threads of the T-Box to enter the sleep mode, inform the release equipment, and control the MCU to carry out RTC periodic wake-up operation so that the T-Box enters a low-power-consumption sleep mode. And when the MCU enters the low-power-consumption sleep mode, the MCU wakes up the RTC periodically to feed the dog, and disconnects the connection of the remote service platform. The dog is fed through RTC module cycle under low-power consumption sleep mode and is ensured that system ability normal operating, and the user still can experience the intelligent experience that the car networking module brought, for example the user can remote start vehicle under the low-power consumption mode, control door window, door etc..
It should be noted that, in other embodiments of the present invention, the T-Box may adopt a dual-MCU system, which is divided into an MCU1 and an MCU2, where the MCU1 is used to implement service logic operations, and the MCU2 is used to connect to a CAN bus and receive bus messages. When the T-Box enters the low power sleep mode, and the MCU2 goes to sleep and does not send handshake signals to the MCU 1. The MCU1 performs RTC periodic wake-up operation to ensure the T-Box system can operate normally.
And S13, when the T-Box is in the low-power-consumption sleep mode and continues for a preset time period and the power-on event of the whole vehicle is not detected, controlling the power chip to be closed through the MCU so as to enable the T-Box to enter the ultra-low-power-consumption sleep mode.
And when the T-Box is in the low-power-consumption sleep mode and continues for a preset time period and the whole vehicle power-on event is not detected, the MCU turns off the power chip through the PMIC _ PWRON, and the T-Box enters the ultra-low-power-consumption sleep mode.
In the embodiment, for preventing the power failure of the whole vehicle-mounted system of the automobile, sleep logics of the T-Box in different modes are formulated, the service life of the automobile is effectively prolonged, and meanwhile, a user can still experience intelligent experience brought by the Internet of vehicles module in a low-power sleep mode.
Referring to FIG. 2, a sleep control method for a T-Box according to a second embodiment of the present invention includes steps S21-S27.
And step S21, monitoring message information on the CAN bus when the power-off of the whole vehicle is monitored.
And step S22, when the dormancy message of the whole vehicle is detected or no application message of the whole vehicle is detected within the first preset time, determining that the T-Box meets the dormancy condition.
The T-Box judges whether the T-Box can sleep or not, and needs to detect a plurality of conditions, wherein some signals or messages of a vehicle can be detected, and a switching value module defines which signals need to be acquired by the TBOX and judges.
The sleep message of the whole vehicle is the message sent to the CAN bus by each module except the T-Box in the whole vehicle. For a vehicle with network management, other modules of the whole vehicle can send a dormancy message to inform the T-Box, and if the dormancy module detects that all the modules send the dormancy message, the T-Box is judged to meet the dormancy condition. For a vehicle without network management, when detecting that the application message sent by each other module is not received within a first preset time (such as 30s), it can be determined that the T-Box meets the dormancy condition.
And step S23, controlling to disconnect the connection between the MCU and the remote service platform, and controlling the MCU to perform RTC periodic wake-up operation so that the T-Box enters a low-power consumption sleep mode.
In specific implementation, when the T-Box is judged to meet the sleep condition, the sleep module sends the last frame of whole vehicle message to the remote service platform, then the T-Box enters a low-power-consumption sleep mode after 30 heartbeats with the remote service platform are maintained, and the MCU performs RTC periodic awakening operation. By the method, the connection state of the T-BOX and the remote service platform can be accurately judged, and whether the T-Box is in normal dormancy can be accurately judged.
It can be understood that, in other embodiments of the present invention, the hibernation module may send a power-off flameout event to the inside module, the inside module uploads the last frame of the entire vehicle message to the remote service platform, and starts to time for 5min (30 times) of heartbeat, after the heartbeat is over, the inside module sends a notification to the hibernation module, and the T-Box enters the low-power-consumption hibernation mode.
In this embodiment, in order to ensure that the latest entire vehicle data can be sent to the remote service platform, the T-BOX is always the last node on the network that requests dormancy. And when the user inquires the state of the whole vehicle, the remote service platform displays the background data to the user.
And step S24, reading GPS position information every preset number of RTC awakening periods, determining whether the T-Box moves or not according to the GPS position information, if so, executing step S25, otherwise, executing step S26.
And step S25, waking up the T-Box.
And step S26, maintaining the low-power sleep mode of the T-Box.
Every m minutes of dormancy (m RTC awakening periods), the MCU can read GPS position information when the RTC is awakened, whether movement occurs is detected, if movement occurs, the vehicle is dragged or moved, all other modules are awakened to enter a full-function state, and if not, the MCU continues dormancy.
And step S27, when the T-Box is in the low power consumption sleep mode and continues for a preset time period and the power-on event of the whole vehicle is not detected, controlling the power chip to be closed through the MCU so as to enable the T-Box to enter the ultra-low power consumption sleep mode.
And when the T-Box is in the low-power-consumption sleep mode and continues for a preset time period and the whole vehicle power-on event is not detected, the MCU turns off the power chip through the PMIC _ PWRON, and the T-Box enters the ultra-low-power-consumption sleep mode.
In this embodiment, after the T-Box detects that the whole vehicle is powered off, it is determined whether the whole vehicle meets the sleep condition, that is, the T-Box needs to detect whether all services of the whole vehicle are in an off state again, and then receives the network management message on the bus to determine whether the T-Box can sleep, so that the sleep determination condition of the T-Box is strict to ensure the working efficiency of the T-Box. And when the T-Box meets the dormancy condition, the T-Box experiences the ultra-low power consumption dormancy mode firstly, and then experiences the ultra-low power consumption dormancy mode, so that on one hand, the phenomenon that the T-Box does not sleep after the whole vehicle is powered off to cause the power failure of the vehicle is prevented, and on the other hand, a good experience effect that the vehicle can be remotely controlled under the low power consumption state of the whole vehicle is provided for a user.
Further, in another embodiment of the present invention, the sleep control method further includes:
when the whole vehicle is powered on for the first time and enters a normal mode and the T-BOX meets a dormancy awakening condition, monitoring the voltage of the whole vehicle;
and when the voltage is smaller than a threshold value, controlling a power supply chip of the T-BOX module to be closed through the MCU so as to enable the T-Box to enter an ultra-low power consumption sleep mode.
The whole vehicle system is powered on for the first time and enters a normal mode, the T-BOX is prepared to enter the normal mode when meeting the sleep awakening condition, the MCU is awakened by the RTC at regular time and carries out external dog feeding and voltage detection, and if the voltage is too low (such as lower than 8V), the vehicle system directly enters the ultra-low power consumption sleep mode.
Referring to fig. 3, it is a block diagram of a T-Box according to a third embodiment of the present invention, where the T-Box includes a sleep module 31, an MCU 32, a power chip 33, and a plurality of service modules 34. As shown in fig. 4, the sleep module includes:
the judging unit 311 is configured to, when it is monitored that the whole vehicle is powered off, judge whether the T-Box meets a sleep condition;
the first control unit 312 is configured to notify each service module to sleep when the T-Box meets a sleep condition, control to disconnect the connection between the MCU and the remote service platform, and control the MCU to perform an RTC periodic wake-up operation, so that the T-Box enters a low power sleep mode;
and a second control unit 313, configured to control the power chip to be turned off by the MCU when the T-Box is in the low power consumption sleep mode and continues for a preset time period without detecting a power-on event of the entire vehicle, so that the T-Box enters the ultra-low power consumption sleep mode.
Further, in the T-Box, the step of controlling the MCU to disconnect from the remote service platform includes:
and sending a frame of whole vehicle message to a remote service platform, and controlling the MCU and the remote service platform to be disconnected after maintaining a preset number of heartbeats.
Further, the step of determining whether the T-Box satisfies the sleep condition includes:
monitoring message information on the CAN bus;
and when the dormancy message of the whole vehicle is detected or any application message of the whole vehicle is not detected within the first preset time, determining that the T-BOX meets the dormancy condition.
Further, the sleep module further includes:
the inquiry unit is used for reading GPS position information after a preset number of RTC awakening periods are separated, and determining whether the T-Box moves or not according to the GPS position information;
and the awakening unit is used for awakening the T-Box when the T-Box moves.
The implementation principle and the generated technical effect of the T-Box provided by the embodiment of the present invention are the same as those of the foregoing method embodiment, and for the sake of brief description, no mention is made in the apparatus embodiment, and reference may be made to the corresponding contents in the foregoing method embodiment.
An embodiment of the present invention further provides a computer-readable storage medium, on which a program is stored, where the program, when executed by a processor, implements any of the methods described above.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A T-Box sleep control method is provided, the T-Box includes a sleep module, an MCU, a power chip and a plurality of service modules, the sleep control method is applied to the sleep module, and the method is characterized in that:
when the power-off of the whole vehicle is monitored, judging whether the T-Box meets a dormancy condition;
if yes, informing each service module to sleep, controlling to disconnect the connection between the MCU and a remote service platform, and controlling the MCU to perform RTC periodic wake-up operation so that the T-Box enters a low-power sleep mode;
and when the T-Box is in a low-power-consumption sleep mode and continues for a preset time period and a power-on event of the whole vehicle is not detected, controlling the power supply chip to be closed through the MCU so as to enable the T-Box to enter an ultra-low-power-consumption sleep mode.
2. The sleep control method as claimed in claim 1, wherein the step of controlling the MCU to disconnect from the remote service platform comprises:
and sending a frame of whole vehicle message to a remote service platform, and controlling the MCU and the remote service platform to be disconnected after maintaining a preset number of heartbeats.
3. The sleep control method as claimed in claim 1, wherein the step of determining whether the T-Box satisfies the sleep condition comprises:
monitoring message information on the CAN bus;
and when the dormancy message of the whole vehicle is detected or any application message of the whole vehicle is not detected within the first preset time, determining that the T-BOX meets the dormancy condition.
4. The sleep control method as claimed in claim 1, wherein the step of controlling the MCU to perform the RTC periodic wake-up operation further comprises:
reading GPS position information after a preset number of RTC awakening periods at intervals, and determining whether the T-Box moves or not according to the GPS position information;
and if so, waking up the T-Box.
5. The sleep control method as claimed in claim 1, further comprising:
when the whole vehicle is powered on for the first time and enters a normal mode and the T-BOX meets a dormancy awakening condition, monitoring the voltage of the whole vehicle;
and when the voltage is smaller than a threshold value, controlling the power supply chip to be closed through the MCU so as to enable the T-Box to enter an ultra-low power consumption sleep mode.
6. A T-Box comprises a sleep module, an MCU, a power chip and a plurality of service modules, wherein the sleep module comprises:
the judging unit is used for judging whether the T-Box meets the dormancy condition or not when the power-off of the whole vehicle is monitored;
the first control unit is used for informing each business module to sleep when the T-Box meets a sleep condition, controlling to disconnect the connection between the MCU and a remote service platform, and controlling the MCU to perform RTC periodic wake-up operation so as to enable the T-Box to enter a low-power-consumption sleep mode;
and the second control unit is used for controlling the power supply chip to be closed through the MCU when the T-Box is in the low-power-consumption sleep mode and continues for a preset time period without detecting a power-on event of the whole vehicle, so that the T-Box enters the ultra-low-power-consumption sleep mode.
7. The T-Box of claim 6, wherein the step of controlling the MCU to disconnect from a remote service platform comprises:
and sending a frame of whole vehicle message to a remote service platform, and controlling the MCU and the remote service platform to be disconnected after maintaining a preset number of heartbeats.
8. The T-Box of claim 6, wherein the determining whether the T-Box satisfies a sleep condition comprises:
monitoring message information on the CAN bus;
and when the dormancy message of the whole vehicle is detected or any application message of the whole vehicle is not detected within the first preset time, determining that the T-BOX meets the dormancy condition.
9. The T-Box of claim 6, further comprising:
the inquiry unit is used for reading GPS position information after a preset number of RTC awakening periods are separated, and determining whether the T-Box moves or not according to the GPS position information;
and the awakening unit is used for awakening the T-Box when the T-Box moves.
10. A computer-readable storage medium, on which a program is stored, which, when being executed by a processor, carries out the method according to any one of claims 1 to 5.
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| CN202110583301.1A CN113489596B (en) | 2021-05-27 | 2021-05-27 | Sleep control method, T-BOX and computer-readable storage medium |
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| CN114083984A (en) * | 2021-11-18 | 2022-02-25 | 江苏赫奕科技有限公司 | New energy vehicle static power supply control method and system |
| CN114670674A (en) * | 2022-03-22 | 2022-06-28 | 北京新能源汽车股份有限公司 | Automobile motor controller working mode management method and device and automobile |
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| CN115221161A (en) * | 2021-11-25 | 2022-10-21 | 广州汽车集团股份有限公司 | Whole vehicle buried point data acquisition method and T-BOX |
| CN116729300A (en) * | 2023-07-31 | 2023-09-12 | 中国第一汽车股份有限公司 | Power supply module of data processing chip, control method of power supply module and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114083984A (en) * | 2021-11-18 | 2022-02-25 | 江苏赫奕科技有限公司 | New energy vehicle static power supply control method and system |
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| CN114844769A (en) * | 2022-04-29 | 2022-08-02 | 重庆长安汽车股份有限公司 | Vehicle feed risk monitoring method |
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| CN116729300B (en) * | 2023-07-31 | 2024-05-03 | 中国第一汽车股份有限公司 | Power supply module of data processing chip, control method of power supply module and vehicle |
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