CN112569447B - Sleep assistance method for vehicle user and in-vehicle infotainment system - Google Patents

Sleep assistance method for vehicle user and in-vehicle infotainment system Download PDF

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Publication number
CN112569447B
CN112569447B CN202011494192.8A CN202011494192A CN112569447B CN 112569447 B CN112569447 B CN 112569447B CN 202011494192 A CN202011494192 A CN 202011494192A CN 112569447 B CN112569447 B CN 112569447B
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sleep
vehicle
vehicle user
user
time
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CN112569447A (en
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孟凡超
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Continental Investment China Co ltd
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Continental Investment China Co ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
    • A61M21/02—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4806—Sleep evaluation
    • A61B5/4809—Sleep detection, i.e. determining whether a subject is asleep or not
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4806—Sleep evaluation
    • A61B5/4812—Detecting sleep stages or cycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00742—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models by detection of the vehicle occupants' presence; by detection of conditions relating to the body of occupants, e.g. using radiant heat detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
    • B60N2/0268—Non-manual adjustments, e.g. with electrical operation with logic circuits using sensors or detectors for adapting the seat or seat part, e.g. to the position of an occupant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/0098—Details of control systems ensuring comfort, safety or stability not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/59—Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/59—Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
    • G06V20/597—Recognising the driver's state or behaviour, e.g. attention or drowsiness
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161—Detection; Localisation; Normalisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • B60W2040/0818—Inactivity or incapacity of driver
    • B60W2040/0827—Inactivity or incapacity of driver due to sleepiness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/143—Alarm means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/229—Attention level, e.g. attentive to driving, reading or sleeping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/30—Auxiliary equipments

Abstract

The invention discloses a sleep assistance method for a vehicle user, comprising the following steps: after the sleep assist function is started, acquiring a sleep start time and a sleep end time determined by a vehicle user; calculating the electric quantity required by completing the sleep auxiliary function according to the sleep starting time and the sleep ending time; if the current electric quantity of the vehicle is not less than the electric quantity required by completing the sleep auxiliary function, automatically adjusting the vehicle seat to a posture suitable for the sleeping of a vehicle user after the sleep starting time is reached and the vehicle stops running; and when the sleep ending time is reached, sending a first prompt message to a vehicle user and ending the sleep assisting function. By means of the sleep assisting method and the vehicle-mounted information entertainment system for the vehicle user, the sleep assisting function can be automatically achieved according to the sleep starting time and the sleep ending time determined by the vehicle user, and therefore user experience is improved.

Description

Sleep assistance method for vehicle user and in-vehicle infotainment system
Technical Field
The invention relates to the technical field of automobiles and communication, in particular to a sleep assistance method and an in-vehicle information entertainment system for a vehicle user.
Background
As vehicle technology evolves, the infotainment system of the vehicle becomes more and more powerful. For example, a series of functions such as opening an air conditioner to adjust temperature, setting a ventilation mode, adjusting a seat angle, reporting temperatures inside and outside a vehicle, and the like can be realized through a camera, a steering wheel hard key, an operation panel hard key, a touch screen soft key, or a voice function.
However, these functions are discrete and independent and must be manually triggered by the customer to operate. When a driver wants to sleep in the vehicle, the driver also has to manually adjust various functions, and the vehicle cannot automatically realize the sleep assisting function.
Disclosure of Invention
The present invention is directed to providing a sleep assistance method and an in-vehicle infotainment system for a vehicle user that solves the above-mentioned problems of the prior art.
Embodiments of the present invention provide a sleep assistance method for a vehicle user, the method comprising:
after the sleep assist function is started, a sleep start time and a sleep end time determined by a vehicle user are acquired,
calculating the electric quantity required for completing the sleep auxiliary function according to the sleep starting time and the sleep ending time,
if the current electric quantity of the vehicle is not less than the electric quantity required to complete the sleep assist function, automatically adjusting the vehicle seat to a posture suitable for the sleep of the vehicle user after the sleep start time is reached and the vehicle stops running,
and when the sleep ending time is reached, sending a first prompt message to a vehicle user and ending the sleep assisting function.
Optionally, if the current power of the vehicle is less than the power required to complete the sleep assist function, requesting the vehicle user to re-determine the sleep start time and the sleep end time.
Optionally, if the vehicle user detected by the vehicle-mounted camera is drowsy, requesting the vehicle user to confirm whether to start the sleep assist function, and starting the sleep assist function after the vehicle user is confirmed; or, the sleep assist function is activated according to the active demand of the vehicle user.
Optionally, when the difference between the current time and the sleep starting time reaches a set threshold, a second prompt message is sent to the vehicle user.
Optionally, if the vehicle does not stop running when the sleep start time is reached, a third prompt message is sent to the vehicle user.
Optionally, after the sleep starting time is reached and the vehicle stops running, if abnormality of the temperature and/or the oxygen content in the vehicle is detected, the temperature and/or the oxygen content in the vehicle is adjusted through an air conditioner and/or a ventilation device, and if the abnormality occurs for a time exceeding a set threshold value, a fourth prompt message is sent to a vehicle user.
Optionally, after the sleep start time is reached and the vehicle stops running, if the vehicle user state is detected to be abnormal through the vehicle-mounted camera, a fifth prompt message is sent to the vehicle user.
Optionally, after the sleep start time is reached and the vehicle stops running, if an abnormality in power consumption of the vehicle is detected, a sixth prompt message is sent to the vehicle user.
Embodiments of the present invention also provide an in-vehicle infotainment system arranged to perform the above method provided by the present invention.
The sleep assistance method and the vehicle-mounted infotainment system for a vehicle user of an embodiment of the invention have at least the following advantages:
by means of the sleep assisting method and the vehicle-mounted information entertainment system for the vehicle user, the sleep assisting function can be automatically achieved according to the sleep starting time and the sleep ending time determined by the vehicle user, and therefore user experience is improved.
Drawings
Further details and advantages of the invention will become apparent from the detailed description provided hereinafter. It is to be understood that the following drawings are merely schematic and are not drawn to scale and are not considered limiting of the present application, and the detailed description will be described with reference to the accompanying drawings, in which:
fig. 1 shows a flow chart of a sleep assistance method for a vehicle user according to one embodiment of the invention.
Fig. 2 shows one specific way of activating the sleep aid function.
Fig. 3 shows another specific way of activating the sleep aid function.
Fig. 4 shows one specific way of performing the sleep assist function.
Fig. 5 shows an in-vehicle infotainment system according to one embodiment of the invention.
Detailed Description
Embodiments of the present invention are described below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding and enabling description of the invention to one skilled in the art. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. Furthermore, it should be understood that the invention is not limited to specific described embodiments. Rather, any combination of the features and elements described below is contemplated to implement the invention, whether or not they relate to different embodiments. Thus, the following aspects, features, embodiments and advantages are merely illustrative and should not be considered elements or limitations of the claims except where explicitly set out in a claim.
Referring now to FIG. 1, a flow chart of a sleep assistance method for a vehicle user is shown, in accordance with one embodiment of the present invention. As shown in fig. 1, the method includes:
step S101, after the sleep assist function is started, a sleep start time and a sleep end time determined by a vehicle user are acquired.
Step S102, the electric quantity required for completing the sleep auxiliary function is calculated according to the sleep starting time and the sleep ending time.
Step S103, if the current electric quantity of the vehicle is not less than the electric quantity required to complete the sleep assist function, automatically adjusting the vehicle seat to a posture suitable for the sleep of the vehicle user after the sleep start time is reached and the vehicle stops traveling.
Step S104, when the sleep ending time is reached, a first prompt message is sent to the vehicle user and the sleep assisting function is ended.
The sleep assist function may be initiated in two ways:
fig. 2 shows one specific way of activating the sleep aid function. As shown in fig. 2, an onboard camera may monitor the status of a vehicle user (e.g., a vehicle driver) during vehicle travel (step 200). If the vehicle user detected by the onboard camera is drowsy (step 201), the onboard infotainment system may request the vehicle user to confirm whether to activate the sleep assist function via a human-machine interface (e.g., onboard speaker, microphone, hard key, and/or touch screen) (step 202), and activate the sleep assist function after the vehicle user confirmation is obtained (step 300).
Fig. 3 shows another specific way of activating the sleep aid function. As shown in fig. 3, when the vehicle user feels a sense of drowsiness, the vehicle may be actively required to start the sleep assist function through the human-computer interaction interface (step 203). The in-vehicle infotainment system initiates a sleep assistance function based on the active demand of the vehicle user (step 300).
Fig. 4 shows one specific way of performing the sleep assist function. As shown in fig. 4, a vehicle user may input a sleep start time and a sleep end time through a human-computer interaction interface (step 301). For example, the vehicle user may input a sleep start time of 1 point integer, a sleep end time of 5 point integer, or a sleep start time of 1 point integer, a sleep duration of 4 hours. The in-vehicle infotainment system may acquire a sleep start time and a sleep end time based on information input by a vehicle user.
After receiving the sleep start time and the sleep end time input by the vehicle user, the in-vehicle infotainment system calculates an amount of electricity required to complete the sleep assist function (step 302) and compares the amount of electricity required with a current amount of electricity of the vehicle (step 303), and if the comparison result is that the current amount of electricity of the vehicle is not less than the amount of electricity required to complete the sleep assist function, automatically adjusts the vehicle seat to a posture suitable for the sleep of the vehicle user (step 310) after the sleep start time is reached and the vehicle stops running, so as to assist the vehicle user in sleeping. And if the current electric quantity of the vehicle is smaller than the electric quantity required by completing the sleep auxiliary function, requesting the vehicle user to reenter the sleep start time and the sleep end time until the current electric quantity of the vehicle is enough to complete the sleep auxiliary function.
After determining that the current electrical quantity of the vehicle is sufficient to complete the sleep assist function (i.e., the current electrical quantity of the vehicle is not less than the electrical quantity required to complete the sleep assist function), the in-vehicle infotainment system may feed back to the vehicle user that the sleep time has been set successfully through the human-computer interaction interface. The vehicle user may begin preparation before sleeping. For example, a vehicle user may need to find a safe place to park. If the in-vehicle infotainment system monitors that the difference between the current time and the sleep onset time reaches a set threshold (e.g., five minutes), the in-vehicle infotainment system may send a prompt message to the vehicle user via a human-machine interface (e.g., in-vehicle speaker) (steps 304, 306, 307) to alert the vehicle user that the sleep onset time is about to be reached. The vehicle user may prepare for sleep before reaching the sleep onset time based on the prompt. If the vehicle-mounted information entertainment system monitors that the vehicle does not stop running when the sleep starting time is reached (step 308), the vehicle-mounted information entertainment system can send prompt information to a vehicle user through a human-computer interaction interface (step 309) so as to remind the vehicle user that the vehicle needs to stop, otherwise, the vehicle cannot continue the sleep auxiliary function.
After the sleep start time is reached and the vehicle stops traveling, the in-vehicle infotainment system automatically adjusts the vehicle seat to a posture appropriate for the vehicle user to sleep to assist the vehicle user in sleeping. The in-vehicle infotainment system may then continuously monitor the in-vehicle temperature, the in-vehicle oxygen content, the vehicle user status, and/or the vehicle charge (steps 311, 313, 314).
If an abnormality in the in-vehicle temperature and/or in-vehicle oxygen content is detected (e.g., the in-vehicle temperature is higher than a set threshold or the in-vehicle oxygen content is lower than a set threshold), the in-vehicle temperature and/or in-vehicle oxygen is adjusted by the air conditioner and/or ventilation means (step 312), and if the time for which the abnormality occurs exceeds the set threshold (e.g., 5 minutes), a prompt message is sent to the vehicle user (step 316) and the sleep assist function is ended (step 318). The prompt information may be simply alarm information (such as alarm sound), or may be used for informing the vehicle user of the reason of generating the alarm, such as informing the vehicle user that the temperature in the vehicle is too high or the oxygen content in the vehicle is too low, for example, through a voice prompt.
If an abnormality in the state of the vehicle user is detected (e.g., an anxiety or anxiety of the vehicle user is detected), a prompt is issued to the vehicle user (step 316) and the sleep assist function is ended (step 318). The notification information may be a mere warning message (e.g., an alarm sound), or may be a voice notification to inform the vehicle user of the cause of the warning, such as informing the vehicle user that an abnormal vehicle user state is detected. The in-vehicle infotainment system may also automatically send an alarm message to a relevant department (e.g., police department or hospital) if a serious abnormality in the status of the vehicle user is detected (e.g., a coma of the vehicle user is detected).
If an abnormality in the vehicle power amount is detected (e.g., an unexpected increase in the vehicle power consumption is detected to be insufficient to complete the sleep assist function), a prompt is issued to the vehicle user (step 316) and the sleep assist function is ended (step 318). The prompt information may be simply alarm information (for example, alarm sound), or may be, for example, a voice prompt to inform the vehicle user of the reason of the alarm, for example, inform the vehicle user that the power consumption of the vehicle is increased and that the sleep assisting function cannot be completed.
The in-vehicle infotainment system compares the current time to the sleep end time in real time (step 315), and upon reaching the sleep end time, the in-vehicle infotainment system may send a prompt to the vehicle user (e.g., play a get-up bell) (step 317) and end the sleep aid function (step 318).
After ending the sleep aid function, the in-vehicle infotainment system may automatically adjust the vehicle seat back to a normal state, e.g., may adjust the driver's seat back to a position suitable for driving, in order for the driver to drive the vehicle.
Those skilled in the art will appreciate that only one particularly preferred manner of performing sleep assist functions is shown in fig. 4. Some of the steps in fig. 4 may be omitted (e.g., steps 304, 306, and 307) or the order of the steps (e.g., steps 311, 313, and 314) may be changed, and these modifications do not affect the implementation of the method of the present invention, without departing from the scope of the present invention.
By means of the sleep assisting method for the vehicle user, the sleep assisting function can be automatically realized according to the sleep starting time and the sleep ending time determined by the vehicle user, and therefore user experience is improved.
In the process of implementing the sleep assistance method for a vehicle user of the present invention, the remaining power of the vehicle is monitored, so the sleep assistance method of the present invention is particularly suitable for new energy vehicles, such as electric vehicles, hybrid vehicles, etc.
Fig. 5 shows an in-vehicle infotainment system according to one embodiment of the invention. The in-vehicle infotainment system is used to perform the sleep assistance method for a vehicle user of the invention. As shown in fig. 5, the in-vehicle infotainment system includes: a CPU (central processing unit) 101, a storage unit 102, a temperature sensor signal transmitting/receiving device 103, an oxygen sensor signal transmitting/receiving device 104, an audio decoding/compiling device 105, a wheel signal transmitting/receiving device 106, a seat posture signal transmitting/receiving device 107, a camera signal transmitting/receiving device 108, and a timer 109.
The CPU 101 is a core of the whole system operation and is responsible for scheduling and running of each program, so that the system can work normally. The device comprises a main control program, a temperature sensor signal processing program, an oxygen sensor signal processing program, a sound processing program, a wheel signal processing program, a seat posture signal processing program, a camera signal processing program and a time processing program.
The main control program is the basis of the running of each subprogram, wakes up each subprogram according to the set sequence, monitors the states of all programs in the running process, and ensures that the system can run normally.
The temperature sensor signal processing program adjusts the temperature according to the signal input from the temperature sensor signal transceiver 103.
The oxygen sensor signal processing program ventilates according to the signal input from the oxygen sensor signal transceiver 104.
The sound processing program decodes and outputs the locally stored audio file according to the audio decoding compiler 105.
The wheel signal processing program acquires the motion state of the vehicle according to the CAN signal provided by the wheel signal transceiver 106.
The seat posture signal processing program receives and transmits a seat posture signal through the seat posture signal transmitting and receiving device 107 to perform automatic adjustment of the seat posture.
The camera signal processing program collects the face state of the driver according to the signal input by the camera signal transceiver 108 and performs corresponding logic processing.
The time processing program uses the timer 109 for timing and early warning.
The storage unit 102 may be divided into a random access memory and a local hard disk, and provides a sufficient storage space for the entire system.
The temperature sensor signal transceiver 103 obtains the temperature in the vehicle through a temperature sensor.
The oxygen sensor signal transceiver 104 obtains the oxygen content in the vehicle through the oxygen sensor.
The audio decoding compiler 105 decodes the local audio and outputs the decoded audio through the speaker 112.
The wheel signal transmitting and receiving device 106 acquires the motion state of the vehicle through the wheel controller.
The seat posture signal transmitting/receiving device 107 automatically adjusts the seat posture by the seat motor.
The camera signal transceiver 108 collects face information of the driver via the camera.
The timer 109 provides timing and time functions for the time handler.
By means of the vehicle-mounted information entertainment system, the sleep assisting method for the vehicle user can be achieved, so that the sleep assisting function can be automatically achieved according to the sleep starting time and the sleep ending time determined by the vehicle user, and user experience is improved.
It should be noted that the above description is illustrative only and not limiting of the invention. In other embodiments of the invention, the method may have more, fewer, or different steps, and the order, inclusion, functional relationship between steps may be different than that described and illustrated. For example, typically multiple steps may be combined into a single step, which may also be split into multiple steps. It is within the scope of the present invention for one of ordinary skill to vary the sequence of steps without undue burden.
The technical solution of the present invention may be embodied in essence or in a part contributing to the prior art or in whole or in part in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor or a microcontroller to perform all or part of the steps of the method according to the embodiments of the present invention.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the method embodiments described above may be performed by hardware associated with program instructions. The foregoing program may be stored in a computer readable storage medium. The program, when executed, performs steps including the method embodiments described above; and the aforementioned storage medium includes: various media that can store program code, such as ROM, RAM, magnetic or optical disks.
While the invention has been described in terms of preferred embodiments, the invention is not limited thereto. Any person skilled in the art shall not depart from the spirit and scope of the present invention and shall accordingly fall within the scope of the invention as defined by the appended claims.

Claims (7)

1. A sleep assist method for a vehicle user, the method comprising:
after the sleep assist function is started, a sleep start time and a sleep end time determined by a vehicle user are acquired,
calculating the electric quantity required for completing the sleep auxiliary function according to the sleep starting time and the sleep ending time,
if the current electric quantity of the vehicle is not less than the electric quantity required to complete the sleep assist function, automatically adjusting the vehicle seat to a posture suitable for the sleep of the vehicle user after the sleep start time is reached and the vehicle stops running,
when the sleep ending time is reached, a first prompt message is sent to a vehicle user and the sleep assisting function is ended,
after the sleep starting time is reached and the vehicle stops running, if the vehicle user state is detected to be abnormal through the vehicle-mounted camera, a fifth prompt message is sent to the vehicle user,
and after the sleep starting time is reached and the vehicle stops running, if the abnormal power consumption of the vehicle is detected, a sixth prompt message is sent to the user of the vehicle.
2. The method of claim 1, wherein the vehicle user is requested to re-determine the sleep start time and sleep end time if the current power of the vehicle is less than the power required to complete the sleep aid function.
3. The method of claim 1, wherein,
if the vehicle user detected by the vehicle-mounted camera is drowsy, requesting the vehicle user to confirm whether to start the sleep auxiliary function, and starting the sleep auxiliary function after the vehicle user is confirmed; or alternatively
The sleep assist function is activated based on the active demand of the vehicle user.
4. The method of claim 1, wherein a second alert is issued to a vehicle user when a difference between a current time and the sleep onset time reaches a set threshold.
5. The method of claim 1, wherein a third alert is issued to a vehicle user if the vehicle does not stop traveling when the sleep onset time is reached.
6. The method according to claim 1, wherein after the sleep onset time is reached and the vehicle stops running, if abnormality in the in-vehicle temperature and/or in-vehicle oxygen content is detected, the in-vehicle temperature and/or in-vehicle oxygen content is adjusted by an air conditioner and/or a ventilator, and if the abnormality occurs for a time exceeding a set threshold, a fourth prompt message is issued to the vehicle user.
7. An in-vehicle infotainment system, characterized in that the in-vehicle infotainment system is arranged to perform the method of any of claims 1-6.
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