CN118124502A - Method for preventing pedestrians from striking vehicle door by utilizing self-radar of vehicle - Google Patents

Method for preventing pedestrians from striking vehicle door by utilizing self-radar of vehicle Download PDF

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Publication number
CN118124502A
CN118124502A CN202311871712.6A CN202311871712A CN118124502A CN 118124502 A CN118124502 A CN 118124502A CN 202311871712 A CN202311871712 A CN 202311871712A CN 118124502 A CN118124502 A CN 118124502A
Authority
CN
China
Prior art keywords
vehicle
automobile
door
radar
vehicle door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311871712.6A
Other languages
Chinese (zh)
Inventor
张立岩
吴伟
许航
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chery New Energy Automobile Co Ltd
Original Assignee
Chery New Energy Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chery New Energy Automobile Co Ltd filed Critical Chery New Energy Automobile Co Ltd
Priority to CN202311871712.6A priority Critical patent/CN118124502A/en
Publication of CN118124502A publication Critical patent/CN118124502A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
    • B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
    • 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
    • B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/22—Functions related to actuation of locks from the passenger compartment of the vehicle
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Automation & Control Theory (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention relates to the technical field of vehicle safety and intelligent cabins, and discloses a method for preventing pedestrians from striking a vehicle door by utilizing a radar of the vehicle, which comprises the following steps: step one: creating a client, registering a vehicle Service in the client, and installing the client at an application layer of the vehicle. The radar detection method can directly utilize the radar carried by the automobile to detect the obstacles around the automobile, particularly the moving obstacles, if the obstacle on one side of the automobile door is judged to have a possibility of collision risk with the automobile door after the automobile door is opened, the automobile door on one side of the obstacle cannot be opened in the automobile, and the automobile door on one side of the obstacle can be opened after the automobile is actively released by a loudspeaker of a cabin to remind the personnel in the automobile, so that the situation that pedestrians are free from escaping and directly collide with the automobile door due to sudden opening of the door under the conditions that the automobile personnel carelessly pay attention to road conditions is effectively solved.

Description

Method for preventing pedestrians from striking vehicle door by utilizing self-radar of vehicle
Technical Field
The invention relates to the technical field of vehicle safety and intelligent cabins, in particular to a method for preventing pedestrians from striking a vehicle door by utilizing a radar of the vehicle.
Background
After the vehicle is parked beside a road, an experienced driver or passenger needs to see whether an obstacle or a pedestrian exists near the vehicle through a rearview mirror or a vehicle window when the experienced driver or passenger wants to come out of the vehicle, and the vehicle can be safely taken off after the pedestrian approaches to the vehicle and needs to wait for the pedestrian to leave. And inexperienced people directly get off the car, the inexperienced people are likely to touch the pedestrian at the moment of opening the door, so that the door is killed.
According to the search, chinese patent literature, bulletin number: CN218228822U discloses an automobile pedestrian anticollision infrared automatic induction system, when the user parks and opens the door main part, first infrared induction system, first ultrasonic detection device and second infrared induction system, second ultrasonic detection device synchronous start, detect pedestrian, vehicle in the door main part outside and pedestrian, the vehicle that are on a parallel with the position area in vehicle rear, the vehicle, when there is the collision hidden danger, alarm and warning light synchronous start, prompt the user first to observe and open the door main part again, avoid taking place the problem that the side-open striking is close to the vehicle pedestrian. As another example, bulletin number: CN104723943a discloses a vehicle door opening external warning device, by arranging a light source module outside a vehicle door, an internal handle of the vehicle door is provided with a control switch, when a passenger in the vehicle wants to get off and operate the handle in the vehicle door to drive the control switch, each light source of the light source module emits light under the control of the light source control module, so that other approaching vehicles or pedestrians notice that someone needs to open the door, and the door of the vehicle or the pedestrian at the rear is prevented from being knocked down and hurt.
However, the two methods and other technical solutions in the market still have the following defects:
1) The automobile needs to be additionally provided with an infrared sensing device, an ultrasonic detection device, an alarm, a warning lamp and the like, so that the automobile cost is increased. The very many modules are associated together, the communication link is complex, the reliability is poor, the vehicle needs to be refitted, and the method is impractical.
2) By giving out light to the automobile, other approaching vehicles or pedestrians are warned to pay attention to the fact that the door needs to be opened, and the situation that the door opened by the automobile or the pedestrian at the rear is impacted and falls down to be injured is avoided. A solution like this imposes a judgment responsibility on the pedestrian, and once the accident responsibility is ambiguous, the solution is ineffective if the pedestrian does not know what the car is lighted.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a method for preventing pedestrians from striking a vehicle door by utilizing the radar of the vehicle, which has the advantages of being capable of detecting obstacles or pedestrians nearby the vehicle by utilizing the radar of the vehicle, reminding people in the vehicle in time, avoiding dangerous situations of striking the pedestrians or the obstacles after opening the door, and the like, and solves the technical problems.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: a method for preventing pedestrians from striking a vehicle door by utilizing a radar of the vehicle comprises the following steps:
Step one: creating a client, registering a vehicle Service in the client, and installing the client in an application layer of the vehicle;
Step two: registering a CAN signal SDK in a client for monitoring the CAN signal and issuing the CAN signal, and integrating a TTS voice broadcasting module in the client for broadcasting reminding information to remind in-vehicle users of paying attention to risks;
Step three: the radar of the automobile monitors the situation near the automobile in real time after the automobile stops, and the statically registered automobile machine Service always runs in the background and receives the ranging data of the radar;
Step four: judging whether the risk exists in disconnecting the vehicle door or not by the vehicle Service, and normally opening the vehicle door if the risk does not exist;
Step five: if the vehicle Service judges that the risk of opening the vehicle door exists, a CAN signal is issued, and the vehicle door on the side with the risk is locked, so that the vehicle door cannot be opened at the moment;
Step six: the TTS voice broadcasting module broadcasts reminding voice through a loudspeaker of the vehicle machine, and personnel in the vehicle know that obstacles or pedestrians exist near the vehicle;
step seven: and after the risk condition is eliminated, the driver actively unlocks the vehicle door and then opens the vehicle door.
As the preferable technical scheme of the invention, the client created in the step one is an Android version, the client does not need to create an Activity, and the vehicle Service automatically operates after the vehicle is started and the vehicle is started.
As a preferred solution of the present invention, in the third step, at least six groups of radars are required, the radars are respectively installed at a front part, a front side part, a rear part and a rear side part, and the radars are connected with the vehicle machine through lines.
As a preferable technical scheme of the invention, a risk threshold is arranged in the vehicle Service, and the risk threshold is a standard for judging whether the vehicle door is at risk or not.
As a preferable technical scheme of the invention, two groups of risk thresholds are arranged, wherein one group of risk thresholds is equal to the width value of the front door, and the other group of risk thresholds is equal to the width value of the rear door.
In the fifth step, when the vehicle Service determines that there is a risk of opening the door, the issuing CAN signal is accepted by the electronic control system of the vehicle.
As a preferable technical scheme of the invention, the vehicle Service is associated with a TTS voice broadcasting module, and the TTS voice broadcasting module is connected with a vehicle-mounted loudspeaker through a line.
As a preferable technical scheme of the invention, an active unlocking module is also registered in the client, and the active unlocking module is associated with an electronic control system of the automobile.
Compared with the prior art, the invention provides a method for preventing pedestrians from striking a vehicle door by utilizing the radar of the vehicle, which has the following beneficial effects:
According to the method for preventing pedestrians from striking the vehicle door by utilizing the radar of the vehicle, provided by the invention, the radar of the vehicle can be directly utilized to detect the surrounding obstacle of the vehicle, particularly the moving obstacle, if the obstacle on one side of the vehicle door is judged to have a possibility of collision risk with the vehicle door after the vehicle door is opened, the vehicle door on the side where the obstacle is located cannot be opened in the vehicle, and the vehicle door on the side where the obstacle is located can be opened after the vehicle door is actively released by a loudspeaker of a cabin for reminding the personnel in the vehicle.
Drawings
FIG. 1 is a block diagram of the steps of the method of the present invention;
FIG. 2 is a logic sequence diagram of the method of the present invention;
FIG. 3 is a schematic flow chart of the method of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, a method for preventing pedestrians from striking a vehicle door by using a radar of the vehicle is performed according to the following steps:
Step one: creating a client, registering a vehicle Service in the client, and installing the client in an application layer of the vehicle;
Step two: registering a CAN signal SDK in a client for monitoring the CAN signal and issuing the CAN signal, and integrating a TTS voice broadcasting module in the client for broadcasting reminding information to remind in-vehicle users of paying attention to risks;
Step three: the radar of the automobile monitors the situation near the automobile in real time after the automobile stops, and the statically registered automobile machine Service always runs in the background and receives the ranging data of the radar;
Step four: judging whether the risk exists in disconnecting the vehicle door or not by the vehicle Service, and normally opening the vehicle door if the risk does not exist;
Step five: if the vehicle Service judges that the risk of opening the vehicle door exists, a CAN signal is issued, and the vehicle door on the side with the risk is locked, so that the vehicle door cannot be opened at the moment;
Step six: the TTS voice broadcasting module broadcasts reminding voice through a loudspeaker of the vehicle machine, and personnel in the vehicle know that obstacles or pedestrians exist near the vehicle;
step seven: and after the risk condition is eliminated, the driver actively unlocks the vehicle door and then opens the vehicle door.
Specifically, the client created in the first step is an Android version, the client does not need to create Activity, and the vehicle Service automatically operates after the vehicle is started and the vehicle is started. The method has the advantages that the memory consumption can be reduced by not creating the Activity in the client, the system resource can be saved, the application performance can be improved, and the starting time and the memory occupation of the client can be reduced because the Activity does not need to be repeatedly created, so that the response speed and the running efficiency of the application can be improved; the vehicle Service registered in the client is an application component which can operate in the background for a long time without providing an interface, and the vehicle Service does not need to directly interact with a user and can directly accept to monitor the ranging value from the radar.
Specifically, the radar of the automobile in the third step at least needs six groups, the radar is respectively arranged at the front part, the front side part, the rear part and the rear side part of the automobile, and the radar is connected with the automobile machine through a circuit. The automobile radar detection system has the advantages that whether barriers or pedestrians exist near four automobile doors or not is accurately judged, at least one radar needs to be installed at the front side of the automobile, one radar is installed at the front side of the left automobile, one radar is installed at the front side of the right automobile, one radar is installed at the rear part of the left automobile, one radar is installed at the rear part of the right automobile, whether people or objects close to each direction of the automobile can be comprehensively detected, and each radar can send ranging data to the automobile Service in real time, and the automobile Service can always monitor the data change measured by the radar.
Specifically, a risk threshold is set in the vehicle Service, and the risk threshold is a reference for judging whether the opening of the vehicle door is at risk. The vehicle-mounted radar system has the advantages that after the vehicle-mounted Service receives the ranging data sent by each radar, if the ranging data sent by the radar is continuously reduced, and the data is smaller than or equal to a set risk threshold value, the situation that pedestrians near the vehicle are gradually approaching can be judged, if the vehicle door close to one side of the radar is opened, the potential safety hazard is extremely high, and if the ranging data sent by the radar is unchanged and the ranging data is larger than the risk threshold value, the situation that the potential safety hazard does not exist after the vehicle door close to the one side of the radar is opened is judged.
Specifically, two sets of risk thresholds are provided, wherein one set of risk thresholds is equal to the width value of the front door, and the other set of risk thresholds is the width value of the rear door. The method has the advantages that when radar ranging data of the front part of the automobile monitored by the automobile Service becomes smaller gradually, which means that the obstacle is in front of the automobile and approaching the automobile head, if the radar ranging data of the front side part of the automobile is smaller than or equal to the width of the front door (namely, one group of risk threshold value), the risk that the obstacle on one side of the front door is likely to collide with the front door after the front door is opened can be judged; when the monitored radar ranging data of the rear part of the vehicle is gradually reduced, which means that the obstacle is at the rear of the vehicle and approaching the vehicle tail, if the ranging data of the radar of the rear side part of the vehicle is smaller than or equal to the width of the vehicle door (namely, another group of risk thresholds), the risk that the obstacle on one side of the rear door is likely to collide with the rear door after the rear door is opened can be judged.
Specifically, the vehicle Service is associated with the CAN signal SDK registered in the second step, and in the fifth step, when the vehicle Service determines that there is a risk of opening the vehicle door, the issued CAN signal is accepted by the electronic control system of the vehicle. The automobile engine Service judges that the safety risk exists when a certain automobile door is opened at the moment, the CAN signal is immediately issued to the electronic control system of the automobile, then the automobile electronic control system receives an instruction for locking the automobile door, and the automobile door is locked, so that the automobile door cannot be opened from the inside of the automobile, the situation that the pedestrian is not in a situation of avoiding flashing due to sudden door opening under the conditions that the person in the automobile carelessly pay attention to road conditions CAN be avoided, and the safety of the automobile in the use process is greatly improved.
Specifically, the vehicle Service is associated with a TTS voice broadcasting module, and the TTS voice broadcasting module is connected with a vehicle-mounted loudspeaker through a line. The vehicle-mounted voice broadcasting system has the advantages that when the vehicle Service judges that the risk of opening the vehicle door exists, voice information is sent out through the TTS voice broadcasting module, and the voice is sent out through the vehicle-mounted loudspeaker, so that people in the vehicle know that obstacles or pedestrians are nearby the vehicle, and meanwhile the vehicle display screen sends out characters to remind the driver.
Specifically, an active unlocking module is also registered in the client, and the active unlocking module is associated with an electronic control system of the automobile. The vehicle door unlocking control system has the advantages that after a certain vehicle door is locked, a person on a passenger seat cannot unlock the vehicle door, at the moment, a driver is required to observe the situation near the vehicle, once the situation that the pedestrian or the obstacle is far away is confirmed, the driver can issue an active unlocking command through the client, then the vehicle electronic control system unlocks the vehicle door, and at the moment, the vehicle door passenger can open the vehicle door to get off.
When the vehicle is in use, after the vehicle stops, the vehicle Service running in the background immediately activates the vehicle radar, so that the vehicle radar immediately enters a working state, the vehicle radar performs ranging work, ranging data is sent to the vehicle Service, if radar ranging data of a front part monitored by the vehicle Service is gradually reduced, the situation that an obstacle is in front of the vehicle and approaching the vehicle head is indicated, and if the radar ranging data of a front side part is smaller than or equal to the width of a front door (namely, one group of risk threshold values), the risk that the obstacle on one side of the front door is likely to collide with the front door after the front door is opened can be judged; when radar ranging data of the rear part of the vehicle monitored by the vehicle Service is gradually reduced, the situation that an obstacle is at the rear of the vehicle and approaching the vehicle tail is described, at this time, if the ranging data of the radar of the rear side part of the vehicle is smaller than or equal to the width of the vehicle door (namely, another group of risk threshold values), the risk that the obstacle on one side of the rear door is likely to collide with the rear door after the rear door is opened CAN be judged, at this time, the vehicle Service immediately issues a CAN signal to an electronic control system of the vehicle, locks the vehicle door on one side with the risk, issues a voice command through a TTS voice broadcasting module, issues a reminding sound through a vehicle-mounted loudspeaker, and once the situation that the pedestrian or the obstacle is far away is confirmed, the driver CAN issue an active unlocking command through the client, and then the vehicle electronic control system unlocks the vehicle door, and at this time, a vehicle passenger CAN open the vehicle door.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A method for preventing pedestrians from striking a vehicle door by utilizing a radar of the vehicle, which is characterized in that: the method comprises the following steps:
Step one: creating a client, registering a vehicle Service in the client, and installing the client in an application layer of the vehicle;
Step two: registering a CAN signal SDK in a client for monitoring the CAN signal and issuing the CAN signal, and integrating a TTS voice broadcasting module in the client for broadcasting reminding information to remind in-vehicle users of paying attention to risks;
Step three: the radar of the automobile monitors the situation near the automobile in real time after the automobile stops, and the statically registered automobile machine Service always runs in the background and receives the ranging data of the radar;
Step four: judging whether the risk exists in disconnecting the vehicle door or not by the vehicle Service, and normally opening the vehicle door if the risk does not exist;
Step five: if the vehicle Service judges that the risk of opening the vehicle door exists, a CAN signal is issued, and the vehicle door on the side with the risk is locked, so that the vehicle door cannot be opened at the moment;
Step six: the TTS voice broadcasting module broadcasts reminding voice through a loudspeaker of the vehicle machine, and personnel in the vehicle know that obstacles or pedestrians exist near the vehicle;
step seven: and after the risk condition is eliminated, the driver actively unlocks the vehicle door and then opens the vehicle door.
2. A method of preventing pedestrians from striking a vehicle door using an automotive self-radar according to claim 1, wherein: the client created in the first step is an Android version, the client does not need to create Activity, and the vehicle Service automatically operates after the vehicle is started and the vehicle is started.
3. A method of preventing pedestrians from striking a vehicle door using an automotive self-radar according to claim 1, wherein: the radar of the automobile in the third step at least needs six groups, the radar is respectively arranged at the front part, the front side part, the rear part and the rear side part of the automobile, and the radar is connected with the automobile machine through a circuit.
4. A method of preventing pedestrians from striking a vehicle door using an automotive self-radar according to claim 1, wherein: and a risk threshold is arranged in the vehicle Service, and the risk threshold is a standard for judging whether the vehicle door is opened or not.
5. A method of preventing a pedestrian from striking a vehicle door using an automotive self-radar as set forth in claim 4, wherein: the risk threshold values are arranged in two groups, wherein one group of the risk threshold values is equal to the width value of the front door, and the other group of the risk threshold values is equal to the width value of the rear door.
6. A method of preventing pedestrians from striking a vehicle door using an automotive self-radar according to claim 1, wherein: and in the fifth step, when the vehicle Service judges that the risk of opening the vehicle exists, the issued CAN signal CAN be accepted by an electronic control system of the vehicle.
7. A method of preventing pedestrians from striking a vehicle door using an automotive self-radar according to claim 1, wherein: the vehicle Service is associated with the TTS voice broadcasting module, and the TTS voice broadcasting module is connected with the vehicle-mounted loudspeaker through a line.
8. A method of preventing pedestrians from striking a vehicle door using an automotive self-radar according to claim 1, wherein: an active unlocking module is also registered in the client, and the active unlocking module is associated with an electronic control system of the automobile.
CN202311871712.6A 2023-12-28 2023-12-28 Method for preventing pedestrians from striking vehicle door by utilizing self-radar of vehicle Pending CN118124502A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311871712.6A CN118124502A (en) 2023-12-28 2023-12-28 Method for preventing pedestrians from striking vehicle door by utilizing self-radar of vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311871712.6A CN118124502A (en) 2023-12-28 2023-12-28 Method for preventing pedestrians from striking vehicle door by utilizing self-radar of vehicle

Publications (1)

Publication Number Publication Date
CN118124502A true CN118124502A (en) 2024-06-04

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ID=91244728

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311871712.6A Pending CN118124502A (en) 2023-12-28 2023-12-28 Method for preventing pedestrians from striking vehicle door by utilizing self-radar of vehicle

Country Status (1)

Country Link
CN (1) CN118124502A (en)

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