CN111516699A - Protection system and method for passenger to eat or drink water - Google Patents
Protection system and method for passenger to eat or drink water Download PDFInfo
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- CN111516699A CN111516699A CN202010348246.3A CN202010348246A CN111516699A CN 111516699 A CN111516699 A CN 111516699A CN 202010348246 A CN202010348246 A CN 202010348246A CN 111516699 A CN111516699 A CN 111516699A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000003651 drinking water Substances 0.000 claims abstract description 42
- 235000020188 drinking water Nutrition 0.000 claims abstract description 42
- 230000035622 drinking Effects 0.000 claims abstract description 28
- 230000000007 visual effect Effects 0.000 claims description 8
- 230000037406 food intake Effects 0.000 abstract description 2
- 235000012631 food intake Nutrition 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000010813 municipal solid waste Substances 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
-
- 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
-
- 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
- B60W50/16—Tactile feedback to the driver, e.g. vibration or force feedback to the driver on the steering wheel or the accelerator pedal
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- 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
- 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
- B60W2050/146—Display means
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention relates to the technical field of automobiles, and discloses a system and a method for protecting passengers from eating or drinking water, wherein the system comprises: an ejectable storage device; a passenger behavior detector for detecting whether a passenger in a vehicle is eating or drinking water; the processor is used for judging whether the vehicle is in driving risk or not and sending out warning information to the passenger to remind the passenger to stop eating or drinking when the passenger behavior detector detects that the passenger eats or drinks water and the vehicle is in driving risk; the processor is further used for controlling the containing device near the passenger to pop up when the passenger does not stop eating or drinking within the preset behavior time after the warning message is sent out. The technical scheme of the invention can be applied to automatic driving vehicles and manual driving vehicles, improves the safety of food intake and water drinking of passengers in the vehicle when the vehicle is in a driving emergency, and can protect the environment in the vehicle.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a system and a method for protecting passengers from eating or drinking water.
Background
Currently, autopilot technology is becoming mature. In an autonomous vehicle, the passengers are freed from the driving operation and can go to other activities, such as eating, drinking, etc. However, in case of an emergency situation, such as when the vehicle is subject to emergency braking, if the passengers are not aware of the emergency situation in advance, water and food may be spilled to pollute the environment in the vehicle and even injure the safety of the passengers. In addition, non-driver passengers in manually driven vehicles may also encounter such problems.
Disclosure of Invention
In order to overcome the technical problems, the invention provides a system and a method for protecting passengers from eating or drinking water, which effectively improve the driving safety and protect the environment in a vehicle.
In order to achieve the above object, the present invention provides a protection system for passengers to eat or drink water, comprising:
an ejectable storage device;
a passenger behavior detector for detecting whether a passenger in a vehicle is eating or drinking water;
the processor is used for judging whether the vehicle is in driving risk or not and sending out warning information to the passenger to remind the passenger to stop eating or drinking when the passenger behavior detector detects that the passenger eats or drinks water and the vehicle is in driving risk; the processor is further used for controlling the containing device near the passenger to pop up when the passenger does not stop eating or drinking within the preset behavior time after the warning message is sent out.
In an optional implementation manner of the present invention, the determining, by the processor, whether the vehicle is at a driving risk includes:
judging whether the vehicle is in emergency braking or collision risk or not according to the route planning and traffic prediction information in the automatic driving state; or
And judging whether the vehicle is in collision risk or not according to the front and/or rear and/or side radar and/or camera and/or laser radar feedback in the manual driving state.
In an alternative embodiment of the present invention, the passenger behavior detector includes: cameras, radar, lidar.
In an optional embodiment of the invention, the warning message comprises:
sound information and/or visual information and/or tactile information.
The invention also provides a method for protecting passengers from eating or drinking water, which comprises the following steps:
detecting whether a passenger in a running vehicle is eating or drinking water;
judging whether the vehicle is in driving risk or not;
when the passenger is detected to eat or drink water and the vehicle is in risk of driving, sending a warning message to the passenger to remind the passenger to stop eating or drinking water;
and when the passenger does not stop eating or drinking within the preset behavior time after the warning information is sent out, popping up the storage device nearby the passenger.
In an optional implementation manner of the present invention, the determining whether the vehicle is at a driving risk specifically includes:
judging whether the vehicle is in emergency braking or collision risk or not according to the route planning and traffic prediction information in the automatic driving state; or
And judging whether the vehicle is in collision risk or not according to the front and/or rear and/or side radar and/or camera and/or laser radar feedback in the manual driving state.
In an optional embodiment of the present invention, the detecting whether the passenger in the running vehicle is eating or drinking specifically includes:
taking the collected food or water intake posture samples of the passengers as a training set;
detecting whether the passenger is eating or drinking according to the training set.
In an optional embodiment of the invention, the warning message comprises:
sound information and/or visual information and/or tactile information.
The invention relates to a system and a method for protecting passengers from eating or drinking water, wherein the system comprises a containing device capable of ejecting; a passenger behavior detector for detecting whether a passenger in a vehicle is eating or drinking water; the processor is used for judging whether the vehicle is in driving risk or not and sending out warning information to the passenger to remind the passenger to stop eating or drinking when the passenger behavior detector detects that the passenger eats or drinks water and the vehicle is in driving risk; the processor is further used for controlling the containing device near the passenger to pop up when the passenger does not stop eating or drinking within the preset behavior time after the warning message is sent out. The technical scheme of the invention can be applied to automatic driving vehicles and manual driving vehicles, improves the safety of food intake and water drinking of passengers in the vehicle when the vehicle is in a driving emergency, and can protect the environment in the vehicle.
Drawings
FIG. 1 is a schematic view of a system for protecting passengers from eating or drinking water according to the present invention;
FIG. 2 is a flow chart of the method for protecting the passengers from eating or drinking water according to the present invention.
Detailed Description
Embodiments of the present invention are described below with reference to the drawings. Elements and features depicted in one drawing or one embodiment of the invention may be combined with elements and features shown in one or more other drawings or embodiments. It should be noted that the figures and description omit representation and description of components or processes that are not relevant to the present invention and that are known to those of ordinary skill in the art for the sake of clarity.
An embodiment of the present invention provides a protection system for passengers to eat or drink water, as shown in fig. 1, the system includes:
the storage device 11, the passenger behavior detector 12 and the processor 13.
Wherein the storage device 11 is provided in the vehicle in an ejectable manner.
The passenger behavior detector 12 is used to detect whether a passenger in a running vehicle is eating or drinking water.
The processor 13 is used to determine whether the vehicle is at risk. When the passenger behavior detector 12 detects that a passenger in the vehicle is eating or drinking water and the processor 13 judges that the vehicle is at risk of driving, a warning message is sent to the passenger to remind the passenger to stop eating or drinking water.
Specifically, the passenger behavior detector 12 notifies the processor 13 when detecting that a passenger in the vehicle is eating or drinking water, and the processor 13 determines that the vehicle is at risk of driving, the processor 13 sends a warning message to the passenger.
The processor 13 may provide a voice warning to the passenger via the speaker, reminding the passenger to stop eating or drinking.
The processor 13 is also used for controlling the storage device near the passenger to pop out when the passenger does not stop eating or drinking within the preset behavior time after the warning message is sent out.
Specifically, when the processor 13 issues the warning message, the timer of the preset action time is started. During the preset behavior time, the passenger behavior detector 12 detects whether the passenger stops eating or drinking water. If the passenger stops eating or drinking, the passenger behavior detector 12 notifies the processor 13, and the processor 13 stops counting time after receiving the notification. If the passenger behavior detector 12 does not inform the processor 13 within the preset behavior time, it indicates that the passenger still continues to eat or drink water, and at this time, the processor 13 controls the storage device, such as a trash can, near the passenger to pop up, so that the passenger can put food, drinks and the like in the hand into the trash can in time.
In general, the storage device is kept in an unextended state to avoid occupying too much space in the vehicle.
The passenger food or water drinking protection system provided by the embodiment of the invention comprises an ejectable storage device, a passenger behavior detector and a processor. The passenger behavior detector is used for detecting whether passengers in the running vehicle eat or drink water. The processor is used for judging whether the vehicle is in driving risk or not. When the passenger behavior detector detects that a passenger in the vehicle eats or drinks water and the processor judges that the vehicle is in driving risk, warning information is sent to the passenger to remind the passenger to stop eating or drinking water. The processor is also used for controlling the containing device near the passenger to pop up when the passenger does not stop eating or drinking within the preset behavior time after the warning message is sent out. According to the technical scheme of the embodiment of the invention, when the vehicle is in an emergency situation during driving, the passenger can be reminded of the risk in time, and the nearby containing device can be popped up when the passenger does not take the risk avoiding action, so that the passenger can conveniently put food and drinks in the hand as soon as possible, the food taking and drinking safety of the passenger in the vehicle is improved, and the environment in the vehicle can be protected.
In a specific application scenario, if the vehicle is in an automatic driving state, the processor determines whether the vehicle is at a driving risk, which may specifically be: and judging whether the predicted vehicle is subjected to severe braking actions such as sudden braking and the like or collision risks according to the route planning and traffic prediction information in the automatic driving state. The route planning and traffic prediction information can be provided by radar, camera, laser radar, etc., and various external information can be obtained by V2X (vehicle to evaluating) technology. When the processor judges that the vehicle is in driving risk and the passenger behavior detector detects that the passenger is eating or drinking water, the processor sends out warning information to the passenger to remind the passenger to stop eating or drinking water. If the passenger does not take action after reminding, pop out storage device beside the passenger at a certain moment before sudden braking, make things convenient for the passenger to throw away food and drink.
In another specific application scenario, if the vehicle is in a manual driving state, other passengers than the driver may eat or drink water. The processor judges whether the vehicle faces driving risks, and specifically may be: and judging whether the vehicle faces collision risks or not according to feedback of a front radar, a rear radar or a side radar in the manual driving state or common feedback of radars in multiple directions. In addition to the radar described above, a camera or lidar, or any combination of radar, camera, and lidar, may be used for feedback. When the processor judges that the vehicle is in driving risk and the passenger behavior detector detects that the passenger is eating or drinking water, the processor sends out warning information to the passenger to remind the passenger to stop eating or drinking water. If the passenger does not take action after reminding, pop out storage device beside the passenger at a certain moment before sudden braking, make things convenient for the passenger to throw away food and drink.
In a practical application scenario, the passenger behavior detector may specifically be: cameras, radar, lidar, and the like.
The passenger behavior detector firstly collects the behavior of the passenger, and provides the collected passenger eating or drinking posture samples as a training set for training a perception algorithm to a camera and the like, so that whether the passenger eats or drinks can be detected according to the training set.
Further, the warning information in the embodiment of the present invention includes: audio information, visual information, tactile information, or any combination of the three. For example, the warning message sent by the processor is a voice prompt, and is played to the passenger through a loudspeaker. In addition, the processor can also send out video reminding and display the video reminding to the passengers through the vehicle-mounted screen. The video alert of the vehicle screen can also be combined with the voice alert of the speaker. The haptic information may be vibration information, which may also be combined with sound information and visual information.
The passenger food or water drinking protection system provided by the embodiment of the invention can remind passengers of paying attention to risks when a vehicle is in a driving emergency, and can further eject nearby containing devices when the passengers do not take risk avoidance actions, so that the passengers can conveniently put food and drinks into the devices as soon as possible, the food and water drinking safety of the passengers in the vehicle is improved, the passengers are prevented from being injured by the food and the drinks during collision and emergency braking, and the environment in the vehicle can be protected. The embodiment of the invention can be used for automatically driving vehicles and manually driving vehicles, and has wide applicability. Meanwhile, different forms of warning information can be flexibly selected and combined, and the warning effect is improved.
The embodiment of the invention also provides a method for protecting passengers from eating or drinking water, as shown in fig. 2, the method comprises the following steps:
201. it is detected whether a passenger in a running vehicle is eating or drinking water.
202. And judging whether the vehicle is in driving risk or not.
Wherein 201 and 202 above may be performed independently of each other.
203. When the passenger is detected to eat or drink water and the vehicle is in risk of driving, warning information is sent to the passenger to remind the passenger to stop eating or drinking water.
In a specific application scenario, if the vehicle is in an automatic driving state, it is determined whether the vehicle is at a driving risk, which may specifically be: and judging whether the predicted vehicle is subjected to severe braking actions such as sudden braking and the like or collision risks according to the route planning and traffic prediction information in the automatic driving state. The route planning and traffic prediction information can be provided by radar, camera, laser radar and other devices, and various external information can be acquired by the V2X technology. When the vehicle is judged to be in driving risk and the passenger is detected to eat or drink water, warning information is sent to the passenger to remind the passenger to stop eating or drinking water. If the passenger does not take action after reminding, pop out storage device beside the passenger at a certain moment before sudden braking, make things convenient for the passenger to throw away food and drink.
In another specific application scenario, if the vehicle is in a manual driving state, other passengers than the driver may eat or drink water. Judging whether the vehicle faces the driving risk, specifically, the following steps are performed: and judging whether the vehicle faces collision risks or not according to feedback of a front radar, a rear radar or a side radar in the manual driving state or common feedback of radars in multiple directions. In addition to the radar described above, a camera or lidar, or any combination of radar, camera, and lidar, may be used for feedback. When the vehicle is judged to be in driving risk and the passenger is detected to eat or drink water, warning information is sent to the passenger to remind the passenger to stop eating or drinking water. If the passenger does not take action after reminding, pop out storage device beside the passenger at a certain moment before sudden braking, make things convenient for the passenger to throw away food and drink.
In practical application scenarios, the behavior of the passenger can be detected by a camera, radar, lidar, or other devices.
204. The timing of the preset action time is started.
The preset behavior time is configured in the vehicle-mounted system in advance.
205. When the passenger does not stop eating or drinking water within the preset action time, the storage device nearby the passenger is ejected.
The passenger eating or drinking water protection method provided by the embodiment of the invention comprises the steps of detecting whether a passenger in a running vehicle eats or drinks water and judging whether the vehicle is in driving risk or not, and sending warning information to the passenger when detecting that the passenger eats or drinks water and the vehicle is in driving risk, and reminding the passenger to stop eating or drinking water; and then, when the passenger does not stop eating or drinking within the preset behavior time after the warning message is sent out, popping up the storage device nearby the passenger. According to the technical scheme of the embodiment of the invention, when the vehicle is in an emergency situation during driving, the passenger can be reminded of the risk in time, and the nearby containing device can be popped up when the passenger does not take the risk avoiding action, so that the passenger can conveniently put food and drinks in the hand as soon as possible, the food taking and drinking safety of the passenger in the vehicle is improved, and the environment in the vehicle can be protected.
Further, in the method provided by the embodiment of the present invention, detecting whether a passenger in a running vehicle is eating or drinking water includes: firstly, taking collected passenger eating or drinking posture samples as a training set of a training perception algorithm; and detecting whether the passenger eats or drinks water or not according to the training set.
Further, the warning information in the embodiment of the present invention includes: audio information, visual information, tactile information, or any combination of the three. For example, the warning message is a voice prompt that is played to the passenger through a speaker. In addition, the warning information can also be a video prompt which is displayed to passengers through a vehicle-mounted screen. The video alert of the vehicle screen can also be combined with the voice alert of the speaker. The haptic information may be vibration information, which may also be combined with sound information and visual information.
The method for protecting the passengers from eating or drinking water provided by the embodiment of the invention can remind the passengers of the risks when the vehicle is in an emergency situation during driving, and further can pop up the nearby containing devices when the passengers do not take the risk avoidance action, so that the passengers can conveniently put food and drinks into the containers in hand as soon as possible, the safety of eating and drinking water of the passengers in the vehicle is improved, the passengers are prevented from being injured by the food and the drinks during collision and emergency braking, and the environment in the vehicle can be protected. The embodiment of the invention can be used for automatically driving vehicles and manually driving vehicles, and has wide applicability. Meanwhile, different forms of warning information can be flexibly selected and combined, and the warning effect is improved.
Although the present invention and its advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims. Moreover, the scope of the present application is not intended to be limited to the particular embodiments of the process, machine, means, methods and steps described in the specification. As one of ordinary skill in the art will readily appreciate from the disclosure of the present invention, processes, machines, means, methods, or steps, presently existing or later to be developed that perform substantially the same function or achieve substantially the same result as the corresponding embodiments described herein may be utilized according to the present invention. Accordingly, the appended claims are intended to include within their scope such processes, devices, means, methods, or steps.
Claims (8)
1. A passenger eating or drinking water protection system, comprising:
an ejectable storage device;
a passenger behavior detector for detecting whether a passenger in a vehicle is eating or drinking water;
the processor is used for judging whether the vehicle is in driving risk or not and sending out warning information to the passenger to remind the passenger to stop eating or drinking when the passenger behavior detector detects that the passenger eats or drinks water and the vehicle is in driving risk; the processor is further used for controlling the containing device near the passenger to pop up when the passenger does not stop eating or drinking within the preset behavior time after the warning message is sent out.
2. The passenger food or water protection system of claim 1, wherein the processor determines whether the vehicle is at risk, and specifically comprises:
judging whether the vehicle is in emergency braking or collision risk or not according to the route planning and traffic prediction information in the automatic driving state; or
And judging whether the vehicle is in collision risk or not according to the front and/or rear and/or side radar and/or camera and/or laser radar feedback in the manual driving state.
3. The passenger food or water protection system according to claim 2, wherein the passenger behavior detector comprises: cameras, radar, lidar.
4. The passenger food or water protection system according to claim 2 or 3, wherein the warning message includes:
sound information and/or visual information and/or tactile information.
5. A method for protecting a passenger from eating or drinking water, comprising:
detecting whether a passenger in a running vehicle is eating or drinking water;
judging whether the vehicle is in driving risk or not;
when the passenger is detected to eat or drink water and the vehicle is in risk of driving, sending a warning message to the passenger to remind the passenger to stop eating or drinking water;
and when the passenger does not stop eating or drinking within the preset behavior time after the warning information is sent out, popping up the storage device nearby the passenger.
6. The method for protecting passengers from eating or drinking water as claimed in claim 5, wherein the determining whether the vehicle is at risk includes:
judging whether the vehicle is in emergency braking or collision risk or not according to the route planning and traffic prediction information in the automatic driving state; or
And judging whether the vehicle is in collision risk or not according to the front and/or rear and/or side radar and/or camera and/or laser radar feedback in the manual driving state.
7. The method for protecting passengers from eating or drinking water as claimed in claim 6, wherein the detecting whether passengers in a running vehicle are eating or drinking water includes:
taking the collected food or water intake posture samples of the passengers as a training set;
detecting whether the passenger is eating or drinking according to the training set.
8. The method for protecting passengers from eating or drinking water according to any one of claims 5 to 7, wherein the warning message includes:
sound information and/or visual information and/or tactile information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010348246.3A CN111516699A (en) | 2020-04-28 | 2020-04-28 | Protection system and method for passenger to eat or drink water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010348246.3A CN111516699A (en) | 2020-04-28 | 2020-04-28 | Protection system and method for passenger to eat or drink water |
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| Publication Number | Publication Date |
|---|---|
| CN111516699A true CN111516699A (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010348246.3A Pending CN111516699A (en) | 2020-04-28 | 2020-04-28 | Protection system and method for passenger to eat or drink water |
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- 2020-04-28 CN CN202010348246.3A patent/CN111516699A/en active Pending
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