CN112810561B - Vehicle and control system and method for preventing vehicle passengers from being left behind - Google Patents
Vehicle and control system and method for preventing vehicle passengers from being left behind Download PDFInfo
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- CN112810561B CN112810561B CN201911129984.2A CN201911129984A CN112810561B CN 112810561 B CN112810561 B CN 112810561B CN 201911129984 A CN201911129984 A CN 201911129984A CN 112810561 B CN112810561 B CN 112810561B
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- vehicle
- power supply
- passenger
- module
- vibration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
- E05Y2900/531—Doors
Abstract
The invention relates to a vehicle and a control system and method for preventing passengers from leaving behind, belonging to the technical field of vehicle safety. According to the invention, the vibration detection module is arranged in the vehicle, the vibration signal in the vehicle is detected by the vibration detection module, after the vehicle is stopped and operated and a driver locks the vehicle and leaves, whether personnel are left over is judged according to the amplitude and the frequency of the vibration signal detected by the vibration detection module, and the passenger door is controlled to be opened when the personnel are left over. The invention can realize the detection of the passenger leaving only by adopting the vibration detection module without the cooperation of other additional sensors, has low cost, directly controls the opening of the vehicle door when detecting the passenger leaving, does not need the confirmation of a background or a vehicle owner, and avoids the problem that the passenger leaving and rescuing are not timely.
Description
Technical Field
The invention relates to a vehicle and a control system and method for preventing passengers from leaving behind, belonging to the technical field of vehicle safety.
Background
The popularization of car brings convenience for people's traffic, has also brought some potential safety hazards, if leave over the passenger on the car, especially children, old person, they can lack the ability of saving oneself and lose life in leaving over the inclosed space of vehicle, for this reason, need be equipped with the passenger in the vehicle and prevent the control system who leaves over, can open the door through the unblock when the passenger leaves over on the vehicle, realize leaving over passenger's the flee. For example, the application publication number CN106004751A is chinese patent application, which discloses a vehicle-mounted survival system, including a vehicle-mounted control terminal, the vehicle-mounted control terminal is connected to a detection device and a vehicle body control module, the detection device is composed of an audio sensor, an infrared imager and a vibration sensor, and determines whether there is a vital sign in the vehicle through sound, vibration and infrared radiation signals, if there is a vital sign in the vehicle, the vehicle-mounted control terminal sends emergency survival information to a vehicle owner's mobile phone through a network, the vehicle owner operates the mobile phone to send vehicle control information after receiving the mobile phone information, and the vehicle body control module controls a vehicle door to open and lower a vehicle window, so as to avoid tragedy. Although this scheme can solve the flee of leaving over the passenger, except vibration sensor, still need other sensor cooperations to realize the judgement that the passenger left over, the cost is higher, simultaneously, the opening of door needs the car owner to confirm, when the car owner does not in time operate the cell-phone, can lead to leaving over the passenger and can't in time flee, influences the life safety who leaves over the passenger.
Disclosure of Invention
The invention aims to provide a vehicle and a control system and a method for preventing passengers from leaving behind, and aims to solve the problems that the existing passenger leaving behind prevention control system is high in cost and cannot timely rescue the passengers.
The invention provides a passenger leave-behind prevention control system for solving the technical problems, which comprises a low-voltage power supply module, a vibration detection module and a vehicle body control module, wherein the low-voltage power supply module is in power supply connection with the vibration detection module and the vehicle body control module, the output end of the vibration detection module is connected with the vehicle body control module, the vehicle body control module is used for judging whether personnel leave-behind exists or not according to the amplitude and the frequency of a vibration signal detected by the vibration detection module, if the amplitude of the vibration signal close to the center of a vehicle is larger, the amplitude of the vibration signal close to the periphery of the vehicle is smaller, and the frequencies of all the vibration signals are consistent and are in a set frequency range, the personnel leave-behind is judged to exist, and a passenger door is controlled to be opened when the personnel leave-behind is judged to exist.
According to the invention, the vibration detection module is arranged in the vehicle, the vibration signal in the vehicle is detected by the vibration detection module, after the vehicle is stopped and operated and a driver locks the vehicle and leaves, whether personnel are left over is judged according to the amplitude and the frequency of the vibration signal detected by the vibration detection module, and the passenger door is controlled to be opened when the personnel are left over. The invention can realize the detection of the passenger leaving without the cooperation of other additional sensors by only adopting the vibration detection module, has low cost, directly controls the opening of the vehicle door when detecting the passenger leaving, does not need the confirmation of a background or a vehicle owner, and avoids the problem that the passenger leaving and rescuing are not timely.
Further, in order to improve the monitoring of the vehicle after the vehicle door is opened, the control device further comprises a camera device arranged in the vehicle, the camera device is controlled by a vehicle body control module, and the vehicle body control module is used for controlling the camera device to be started when the condition that personnel exist in the vehicle is judged so as to shoot the passenger door in the opening process.
Furthermore, in order to reduce energy consumption, the control system further comprises a power supply control module, the power supply control module is connected with the vibration detection module, and the power supply control module is used for controlling the on-off of power supply of the low-voltage power supply module and the vehicle body control module according to the amplitude of the vibration signal detected by the vibration detection module.
Furthermore, in order to ensure the power supply of the vibration detection module after the vehicle is powered off, the low-voltage power supply module comprises a main low-voltage power supply and an auxiliary low-voltage power supply which are arranged in a redundant mode, and the auxiliary low-voltage power supply is started after the main low-voltage power supply is powered off.
In order to attract the attention of surrounding people and further improve the safety, the control system further comprises an alarm module, wherein the alarm module is controlled by the vehicle body control module and is used for outputting an alarm when the fact that people are left in the vehicle is detected.
Furthermore, in order to facilitate the background or the timely understanding of the situation of the owner, the control system further comprises a communication module for sending the situation that people leave the vehicle to the owner and/or the monitoring background.
The invention also provides a control method for preventing passengers from leaving behind, which comprises the following steps:
1) when the vehicle is parked and operated and a driver locks the vehicle and leaves, detecting a vibration signal in the vehicle;
2) judging whether the amplitude and the frequency of a vibration signal in the vehicle meet set requirements, and when the amplitude and the frequency of the vibration signal both meet the set requirements, indicating that passengers are left in the vehicle, and controlling the vehicle door to open, wherein the set requirements are as follows: the amplitude of the vibration signal close to the center of the vehicle is larger, the amplitude of the vibration signal close to the periphery of the vehicle is smaller, the frequencies of the vibration signals are consistent, and the vibration signals are all in a set frequency range.
The invention only detects the vibration signal in the vehicle, accurately judges whether passengers are left in the vehicle by using the amplitude and the frequency of the vibration signal, and controls the vehicle door to be opened when the passengers are left. According to the invention, on the basis of not increasing hardware cost, whether passengers are left over is determined through the amplitude and the frequency of the vibration signal, so that the cost is saved on the premise of not influencing the detection precision, and meanwhile, the vehicle door can be opened without external confirmation, so that the problem that the passengers are not left over and rescued in time is avoided.
Further, in order to improve the monitoring of the vehicle after the vehicle door is opened, the control method further comprises the step of monitoring the opening process of the vehicle door when passengers are left in the vehicle.
In order to attract the attention of surrounding people and further improve the safety, the control method further comprises the step of giving an alarm when the passenger is judged to be left in the vehicle.
The invention also provides a vehicle which comprises a vehicle body and a control system which is arranged in the vehicle body and used for preventing passengers from leaving behind.
Drawings
FIG. 1 is a control logic diagram of a passenger anti-carryover control system of the present invention;
fig. 2 is a block diagram of the passenger legacy prevention control system of the present invention.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the drawings.
Embodiments of the vehicle
The vehicle can detect the vibration condition in the vehicle after a driver locks the vehicle and leaves, and controls the vehicle door to open when the amplitude and the frequency of the vibration signal meet the requirements. Specifically, the structure of the passenger left-over prevention control system is shown in fig. 1, the control logic is shown in fig. 2, the control system comprises a low-voltage power supply module, a vibration detection module and a vehicle body control module which are arranged in a vehicle, the low-voltage power supply module supplies power to connect the vibration detection module and the vehicle body control module, the output end of the vibration detection module is connected with the vehicle body control module, the vehicle body control module is used for judging whether personnel left over exists according to the amplitude and the frequency of a vibration signal detected by the vibration detection module, and controlling a passenger door to be opened when judging that the personnel left over exists.
The vibration signal that vibration detection module detected includes amplitude and frequency, and amplitude has embodied vibration signal's intensity, and vibration detection module distributes on floor in the car, if the vibration signal who produces by the passenger, the amplitude of the signal of each vibration detection module of different positions in the car can demonstrate following rule: the amplitude of the vibration signal near the center of the vehicle is larger, the amplitude of the vibration signal near the periphery of the vehicle is smaller, the frequencies of the vibration signals are consistent and are all in a set range, and the set range of the embodiment is 2-5 Hz. If the vehicle is slammed outside the vehicle, the frequency, amplitude, and distribution state of the vibration signal do not satisfy the above determination rule. Therefore, by analyzing the vibration signal according to the above criteria, it can be determined whether a person is left behind or whether a person is intentionally outside.
The vehicle body control module comprises a vehicle control unit and a passenger door controller, the low-voltage power supply module comprises a main low-voltage power supply and an auxiliary low-voltage power supply which are arranged in a redundant mode, the main low-voltage power supply is used for supplying power to low-voltage power utilization equipment in the power-on operation of a vehicle and comprises the vehicle control unit and the passenger door controller, after the vehicle is stopped and powered off, the main low-voltage power supply stops supplying power, and the auxiliary low-voltage power supply is started to supply power to the vibration detection module, the vehicle control unit and the passenger door controller; the vibration detection module can be arranged in a plurality of or one vibration detection module as required and can be arranged on the floor in the vehicle. After a driver locks the vehicle and leaves, the auxiliary low-voltage power supply starts to work and supplies power for the vibration detection module, the vehicle control unit and the passenger door controller, the vibration detection module detects the vibration condition of the vehicle door and sends a detected signal to the vehicle control unit, the vehicle control unit judges according to the received vibration signal, if the amplitude of the vibration signal close to the center of the vehicle is large, the amplitude of the vibration signal close to the periphery of the vehicle is small, the frequencies of the vibration signals are consistent and are within a set frequency range, it is indicated that a passenger leaves the vehicle, the vehicle control unit sends a door opening instruction to the passenger door controller, and the passenger door controller controls the vehicle door to open.
In order to reduce power consumption, the vehicle control unit and the passenger door controller are not required to be in an electrified state all the time, and therefore the vehicle control unit and the passenger door controller are further provided with a power supply control module which is connected with the vibration detection module and used for controlling the on-off of power supply of the vehicle control unit and the passenger door controller according to the amplitude of the vibration signal detected by the vibration detection module, and when the amplitude of the vibration signal is not larger than a set threshold A, the vehicle control unit and the vehicle door controller are controlled to be in a power-off state so as to save energy consumption of a secondary low-voltage power supply; and when the amplitude of the vibration signal is greater than a set threshold A, controlling the secondary low-voltage power supply to supply power to the vehicle control unit and the passenger door controller, enabling the vehicle control unit and the passenger door controller to be in a power-on working state, continuously detecting the amplitude of the vibration signal, and stopping the power supply of the vehicle control unit and the passenger door controller if the amplitude of the vibration signal is less than a set threshold B (B < 80% A) and continues for a set time (for example, 3 minutes). The power supply control module can be a controller, such as an MCU (micro control unit) and the like, the input end of the power supply control module is connected with the vibration detection module, the output end of the power supply control module is connected with the ground through a contactor coil, and a contact switch of the contactor is connected in series on a power supply line between the auxiliary low-voltage power supply and the vehicle controller so as to control the power supply of the vehicle controller and the passenger door controller.
In order to prevent the safety problem after the vehicle door is opened, the vehicle is also internally provided with a camera for shooting the entering and exiting conditions of people after the vehicle door is opened, the camera can be arranged at the passenger door or other positions capable of shooting the vehicle door, or can be directly used for shooting by using the camera arranged above the vehicle door, the starting of the camera is controlled by the vehicle control unit, the camera is powered by the auxiliary low-voltage power supply, and the power supply control module or the vehicle control unit can control the power supply of the camera.
When the passenger left in the vehicle is judged, the alarm in the vehicle can be controlled to give an alarm to attract the attention of surrounding pedestrians, the alarm is controlled by the vehicle control unit, and the alarm can be an audible and visual alarm.
Because the invention takes the principal aim of protecting the personal safety of passengers, after the passenger door is detected to be left to be controlled to be opened, the closing control of the passenger door is not carried out, and the property safety loss caused by the fact that the passenger door is not closed can be followed by the information recorded by the camera device.
Meanwhile, in order to realize remote or timely guidance of the vehicle condition by the vehicle owner, the vehicle control system further comprises a communication module which is a wireless communication module, when the vehicle control system judges that a passenger leaves the vehicle, the vehicle control system can send the information to the vehicle owner and the vehicle background through the communication module to remind the vehicle owner of paying attention to the background and the vehicle owner, and meanwhile, an image of the vehicle door after the vehicle door is opened and shot by the camera can be sent to the background and the vehicle owner, so that the vehicle owner and the background can know the condition after the vehicle door is opened.
System embodiment
The control system comprises a low-voltage power supply module, a vibration detection module and a vehicle body control module, wherein the low-voltage power supply module is in power supply connection with the vibration detection module and the vehicle body control module, the output end of the vibration detection module is connected with the vehicle body control module, and the vehicle body control module is used for judging whether personnel are left or not according to the amplitude and the frequency of a vibration signal detected by the vibration detection module and controlling a passenger door to be opened when the personnel are judged to be left. The specific implementation process of the system has been described in detail in the embodiment of the vehicle, and is not described herein again.
Method embodiment
The control method of the invention comprises the following steps:
1) when the vehicle is parked and operated and a driver locks the vehicle and leaves, detecting a vibration signal in the vehicle;
2) judging whether the amplitude and the frequency of a vibration signal in the vehicle meet set requirements, and when the amplitude and the frequency of the vibration signal both meet the set requirements, indicating that passengers are left in the vehicle, and controlling the vehicle door to open, wherein the set requirements are as follows: the amplitude of the vibration signal close to the center of the vehicle is larger, the amplitude of the vibration signal close to the periphery of the vehicle is smaller, the frequencies of the vibration signals are consistent, and the vibration signals are all in a set frequency range.
The specific implementation manner of the above steps has been described in the embodiment of the vehicle, and is not described herein again.
Therefore, on the basis of not increasing hardware cost, whether passengers leave over can be determined through the amplitude and the frequency of the vibration signals, cost is saved on the premise of not influencing detection precision, meanwhile, the vehicle door can be opened without external confirmation, and the problem that the passengers leave over and are not timely saved is solved.
Claims (10)
1. A passenger legacy prevention control system is characterized by comprising a low-voltage power supply module, a vibration detection module and a vehicle body control module, wherein the low-voltage power supply module is in power supply connection with the vibration detection module and the vehicle body control module; the vibration detection modules are arranged in a plurality of modes and are respectively arranged on the floor in the vehicle.
2. The passenger legacy-prevention control system according to claim 1, further comprising a camera device arranged in the vehicle, wherein the camera device is controlled by a vehicle body control module, and the vehicle body control module is used for starting the legacy-control camera device when judging that a person exists in the vehicle so as to photograph the opening process of the passenger door.
3. The passenger legacy prevention control system according to claim 1 or 2, further comprising a power supply control module, wherein the power supply control module is connected to the vibration detection module, and the power supply control module is configured to control power supply of the low voltage power supply module and the vehicle body control module according to the amplitude of the vibration signal detected by the vibration detection module.
4. The passenger carryover prevention control system of claim 1, wherein the low voltage power supply module comprises a main low voltage power supply and a secondary low voltage power supply which are redundantly arranged, and the secondary low voltage power supply is started after the main low voltage power supply is powered down.
5. A passenger carry-over prevention control system according to claim 1 or 2, further comprising an alarm module controlled by the vehicle body control module for outputting an alarm when it is detected that there is a person carry-over in the vehicle.
6. A passenger legacy prevention control system according to claim 1 or 2, wherein the control system further comprises a communication module for transmitting the situation that the person is legacy in the vehicle to the vehicle owner and/or the monitoring back office.
7. A control method for preventing passengers from remaining, characterized in that the control method comprises the following steps:
1) detecting a vibration signal in the vehicle when the vehicle is parked and operated and a driver locks the vehicle and leaves; the vibration signals are obtained through a plurality of vibration detection modules on the floor in the vehicle;
2) judging whether the amplitude and the frequency of a vibration signal in the vehicle meet set requirements, and when the amplitude and the frequency of the vibration signal both meet the set requirements, indicating that passengers are left in the vehicle, and controlling the vehicle door to open, wherein the set requirements are as follows: the amplitude of the vibration signal close to the center of the vehicle is larger, the amplitude of the vibration signal close to the periphery of the vehicle is smaller, the frequencies of the vibration signals are consistent, and the vibration signals are all in a set frequency range.
8. A passenger carry-over prevention control method according to claim 7, further comprising monitoring an opening process of the door when a passenger is carried over in the vehicle.
9. The passenger carry-over prevention control method according to claim 7 or 8, further comprising alarming when it is judged that the passenger is carried over in the vehicle.
10. A vehicle comprising a vehicle body, characterized by further comprising an occupant carryover prevention control system of any one of claims 1-6 disposed within the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911129984.2A CN112810561B (en) | 2019-11-18 | 2019-11-18 | Vehicle and control system and method for preventing vehicle passengers from being left behind |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911129984.2A CN112810561B (en) | 2019-11-18 | 2019-11-18 | Vehicle and control system and method for preventing vehicle passengers from being left behind |
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| CN112810561A CN112810561A (en) | 2021-05-18 |
| CN112810561B true CN112810561B (en) | 2022-08-12 |
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