CN113494214A - Locking method and system for vehicle door - Google Patents
Locking method and system for vehicle door Download PDFInfo
- Publication number
- CN113494214A CN113494214A CN202110936156.0A CN202110936156A CN113494214A CN 113494214 A CN113494214 A CN 113494214A CN 202110936156 A CN202110936156 A CN 202110936156A CN 113494214 A CN113494214 A CN 113494214A
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- speed
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- 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
- E05B77/14—Specially controlled locking actions in case of open doors or in case of doors moved from an open to a closed position, e.g. lock-out prevention or self-cancelling
-
- 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
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The embodiment of the invention provides a locking method and a locking system of a vehicle door. The method comprises the following steps: the method comprises the steps that an angle radar acquires an object distance and an object speed on one side of a vehicle; the angle radar judges whether the object distance is smaller than a set distance and the object speed is greater than the set speed; if the angular radar judges that the object distance is smaller than the set distance and the object speed is greater than the set speed, a first alarm request is sent to a body controller BCM; the BCM locks a door on a side of the vehicle in response to the first alert request. According to the technical scheme provided by the embodiment of the invention, the object distance and the object speed of a moving object around the vehicle can be detected through the angle radar, and when the object distance is smaller than the set distance and the object speed is greater than the set speed, the BCM locks the door on one side of the vehicle, so that the safety of opening the door after parking is improved, and the getting-off safety of a user is guaranteed.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of vehicles, in particular to a locking method and a locking system for a vehicle door.
[ background of the invention ]
In the related art, a moving object behind a vehicle is generally sensed by a radar, but the detection mode has the defect of poor sensitivity, and has certain defects in prompting time and pre-judging property of the object, so that the whole induction alarm effect is influenced, and the safety of opening a vehicle door after parking is reduced.
[ summary of the invention ]
In view of the above, embodiments of the present invention provide a locking method and system for a vehicle door, so as to improve the safety of opening the vehicle door after parking.
In one aspect, an embodiment of the present invention provides a locking method for a vehicle door, including:
the method comprises the steps that an angle radar acquires an object distance and an object speed on one side of a vehicle;
the angle radar judges whether the object distance is smaller than a set distance and the object speed is greater than a set speed;
if the angular radar judges that the object distance is smaller than the set distance and the object speed is greater than the set speed, a first alarm request is sent to a BCM (body controller);
the BCM locks a door on one side of the vehicle in response to the first alarm request.
Optionally, the method further comprises:
if the angular radar judges that the object distance is greater than or equal to a set distance and the object speed is greater than a set speed, a first alarm releasing request is sent to a BCM (body controller);
the BCM unlocks a door on one side of the vehicle in response to the first warning release request.
Optionally, the method further comprises:
if the angle radar judges that the object distance is smaller than the set distance and the object speed is smaller than or equal to the set speed, a first alarm request is sent to a BCM (body controller);
the BCM locks a door on one side of the vehicle in response to the first alarm request.
Optionally, the method further comprises:
if the angle radar judges that the object distance is greater than or equal to a set distance and the object speed is less than or equal to a set speed, a first alarm releasing request is sent to a BCM (body controller);
the BCM unlocks a door on one side of the vehicle in response to the first warning release request.
Optionally, before the angular radar acquires the object distance and the object speed on one side of the vehicle, the method includes:
the angle radar judges whether the acquired vehicle speed is less than a set vehicle speed threshold value;
and if the angle radar judges that the acquired vehicle speed is less than the set vehicle speed threshold value, continuing to execute the step of acquiring the object distance and the object speed of one side of the vehicle by the angle radar.
Optionally, after the BCM locks the vehicle door on one side of the vehicle in response to the alarm request, the method includes:
the BCM judges whether a door opening instruction is acquired or not;
if the BCM judges that a door opening instruction is obtained, a second alarm request is sent to an entertainment display system IVI;
the IVI displays alarm information in response to the second alarm request.
Optionally, after the BCM unlocks the vehicle door on the side of the vehicle in response to the warning release request, the method includes:
the angle radar sends a second alarm release request to the IVI;
and the IVI responds to the second alarm removing request and displays alarm removing information.
On the other hand, the embodiment of the invention provides an alarm system for opening a vehicle door, which comprises: an angle radar and a body controller BCM;
the angle radar is used for acquiring the object distance and the object speed at one side of the vehicle; judging whether the object distance is smaller than a set distance and the object speed is greater than a set speed; if the object distance is smaller than the set distance and the object speed is greater than the set speed, sending a first alarm request to the BCM;
the BCM is used for responding to the first alarm request and locking a vehicle door on one side of the vehicle.
Optionally, the method further comprises:
the angle radar is further used for sending a first alarm relieving request to the BCM if the object distance is judged to be greater than or equal to a set distance and the object speed is greater than a set speed;
the BCM is further used for responding to the first alarm releasing request to unlock a door on one side of the vehicle.
Optionally, the method further comprises:
the angle radar is further used for sending a first alarm request to the BCM if the object distance is judged to be smaller than a set distance and the object speed is smaller than or equal to a set speed;
the BCM is further used for responding to the first alarm request and locking a vehicle door on one side of the vehicle.
According to the technical scheme of the locking method of the vehicle door, the angle radar acquires the object distance and the object speed of one side of the vehicle; the angle radar judges whether the object distance is smaller than a set distance and the object speed is greater than the set speed; if the angular radar judges that the object distance is smaller than the set distance and the object speed is greater than the set speed, a first alarm request is sent to a body controller BCM; the BCM locks a door on a side of the vehicle in response to the first alert request. According to the technical scheme provided by the embodiment of the invention, the object distance and the object speed of a moving object around the vehicle can be detected through the angle radar, and when the object distance is smaller than the set distance and the object speed is greater than the set speed, the BCM locks the door on one side of the vehicle, so that the safety of opening the door after parking is improved, and the getting-off safety of a user is guaranteed.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a schematic illustration of a latching system for a vehicle door according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for locking a vehicle door according to an embodiment of the present invention;
fig. 3 is a flow chart of another locking method for a vehicle door according to an embodiment of the present invention.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of associative relationship that describes an associated object, meaning that three types of relationships may exist, e.g., A and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
An embodiment of the present invention provides a locking system of a vehicle door, and fig. 1 is a schematic structural diagram of the locking system of the vehicle door provided in the embodiment of the present invention, as shown in fig. 1, the system includes: the angle radar device comprises an angle radar 1 and a vehicle Body controller 2(Body Control Module, BCM for short), wherein the angle radar 1 is connected with the BCM 2.
The angle radar 1 is used for acquiring an object distance and an object speed at one side of the vehicle; judging whether the object distance is smaller than a set distance and the object speed is greater than the set speed; and if the object distance is smaller than the set distance and the object speed is greater than the set speed, sending a first alarm request to the BCM 2.
The BCM 2 is configured to latch a door on a side of the vehicle in response to the first warning request.
In the embodiment of the present invention, the angle Radar 1 includes a Short Range Radar (SRR for Short).
In the embodiment of the invention, the angle radar 1 is further used for sending a first alarm removing request to the BCM 2 if the object distance is judged to be greater than or equal to the set distance and the object speed is greater than the set speed.
The BCM 2 is also configured to unlock a door on a side of the vehicle in response to the first clear alert request.
In the embodiment of the present invention, the angle radar 1 is further configured to send a first alarm request to the BCM 2 if it is determined that the object distance is smaller than the set distance and the object speed is smaller than or equal to the set speed.
The BCM 2 is also configured to latch a door on a side of the vehicle in response to the first alert request.
In the embodiment of the invention, if the angle radar 1 judges that the object distance is greater than or equal to the set distance and the object speed is less than or equal to the set speed, a first alarm releasing request is sent to the BCM 2.
The BCM 2 unlocks a door on a side of the vehicle in response to the first warning cancellation request.
In the embodiment of the invention, the angle radar 1 is also used for judging whether the acquired vehicle speed is less than a set vehicle speed threshold value; and if the acquired vehicle speed is judged to be less than the set vehicle speed threshold value, continuing to execute the step of acquiring the object distance and the object speed of one side of the vehicle.
In the embodiment of the present invention, the apparatus further includes: an entertainment display system 3(In-Vehicle information, IVI for short), BCM 2 is connected with IVI 3.
The BCM 2 is also used for judging whether a door opening instruction is acquired; and if the door opening instruction is judged to be acquired, sending a second alarm request to the entertainment display system IVI 3.
The IVI 3 is configured to display alarm information in response to the second alarm request.
In the embodiment of the invention, the angle radar 1 is connected with the IVI 3.
The angle radar 1 is also used to send a second disarm request to the IVI 3.
The IVI 3 is further configured to display a disarm alert message in response to the second disarm request.
In the technical scheme provided by the embodiment of the invention, the angular radar acquires the object distance and the object speed at one side of the vehicle; the angle radar judges whether the object distance is smaller than a set distance and the object speed is greater than the set speed; if the angular radar judges that the object distance is smaller than the set distance and the object speed is greater than the set speed, a first alarm request is sent to a body controller BCM; the BCM locks a door on a side of the vehicle in response to the first alert request. According to the technical scheme provided by the embodiment of the invention, the object distance and the object speed of a moving object around the vehicle can be detected through the angle radar, and when the object distance is smaller than the set distance and the object speed is greater than the set speed, the BCM locks the door on one side of the vehicle, so that the safety of opening the door after parking is improved, and the getting-off safety of a user is guaranteed.
An embodiment of the present invention provides a method for locking a vehicle door, and fig. 2 is a flowchart of the method for locking a vehicle door according to the embodiment of the present invention, as shown in fig. 2, the method includes:
In the embodiment of the invention, the monitoring range of the angle radar is horizontal +/-75 degrees, vertical +/-15 degrees and 80 meters.
In an embodiment of the invention, the one side of the vehicle comprises the left side of the vehicle or the right side of the vehicle.
In the embodiment of the invention, the object distance comprises the distance from an automobile to a vehicle, the distance from a non-automobile to a vehicle or the distance from a person to a vehicle.
In an embodiment of the invention, the object speed comprises the speed of a motor vehicle, the speed of a non-motor vehicle or the speed of a person.
And 104, judging whether the object distance is smaller than the set distance and the object speed is greater than the set speed by the angle radar.
According to the embodiment of the invention, the set distance and the set speed can be set according to the actual situation. For example, the distance is set to 10 m and the speed is set to 2 m/s.
In the embodiment of the present invention, if the angular radar determines that the object distance is smaller than the set distance and the object speed is greater than the set speed, it indicates that there is an object approaching the vehicle at a faster speed and the door of the vehicle cannot be opened, and step 106 is executed.
And 106, if the angular radar judges that the object distance is smaller than the set distance and the object speed is greater than the set speed, sending a first alarm request to the BCM.
And step 108, the BCM responds to the first alarm request to lock the vehicle door on one side of the vehicle.
In the step, the BCM responds to the first alarm request to lock the vehicle door on one side of the vehicle, and the vehicle door cannot be opened at the moment.
In the technical scheme provided by the embodiment of the invention, the angular radar acquires the object distance and the object speed at one side of the vehicle; the angle radar judges whether the object distance is smaller than a set distance and the object speed is greater than the set speed; if the angular radar judges that the object distance is smaller than the set distance and the object speed is greater than the set speed, a first alarm request is sent to a body controller BCM; the BCM locks a door on a side of the vehicle in response to the first alert request. According to the technical scheme provided by the embodiment of the invention, the object distance and the object speed of a moving object around the vehicle can be detected through the angle radar, and when the object distance is smaller than the set distance and the object speed is greater than the set speed, the BCM locks the door on one side of the vehicle, so that the safety of opening the door after parking is improved, and the getting-off safety of a user is guaranteed.
An embodiment of the present invention provides another locking method for a vehicle door, and fig. 3 is a flowchart of another locking method for a vehicle door according to an embodiment of the present invention, as shown in fig. 3, the method includes:
In the step, the angular radar acquires the vehicle speed and judges whether the vehicle speed is less than a set vehicle speed threshold value.
According to the embodiment of the invention, the vehicle speed threshold can be set according to actual conditions. For example, the vehicle speed threshold is set to 3 km/h.
In the embodiment of the invention, the monitoring range of the angle radar is horizontal +/-75 degrees, vertical +/-15 degrees and 80 meters.
In the embodiment of the invention, the object distance comprises the distance from an automobile to a vehicle, the distance from a non-automobile to a vehicle or the distance from a person to a vehicle.
In an embodiment of the invention, the object speed comprises the speed of a motor vehicle, the speed of a non-motor vehicle or the speed of a person.
According to the embodiment of the invention, the set distance and the set speed can be set according to the actual situation. For example, the distance is set to 10 m and the speed is set to 2 m/s.
In the embodiment of the invention, if the angular radar judges that the object distance is smaller than the set distance and the object speed is greater than the set speed, it indicates that an object approaches the vehicle at a higher speed and the door of the vehicle cannot be opened, and step 208 is executed; if the object distance is greater than or equal to the set distance and the object speed is greater than the set speed, go to step 218; if the object distance is smaller than the set distance and the object speed is smaller than or equal to the set speed, it is indicated that the object is close to the vehicle and the vehicle door cannot be opened, and step 208 is executed; if the object distance is greater than or equal to the set distance and the object speed is less than or equal to the set speed, it indicates that the object is far away from the vehicle, and the door can be opened, and step 218 is performed.
And step 208, the angle radar sends a first alarm request to the BCM.
In the step, the BCM responds to the first alarm request to lock the vehicle door on one side of the vehicle, and the vehicle door cannot be opened at the moment.
In this step, the user inputs a door opening instruction to the BCM by pulling the door opening handle of the door.
In the embodiment of the invention, if the BCM judges that the door opening instruction is acquired, the BCM indicates that the user wants to open the vehicle door, and step 214 is executed; if the BCM judges that the door opening instruction is not acquired, the BCM indicates that the user does not want to open the vehicle door.
And step 216, responding to the second alarm request by the IVI, displaying alarm information, and ending the process.
As an alternative, step 216 is followed by: the IVI sends a fetch command to the angle radar and continues with step 204.
For example, the IVI responds to the second alarm request and displays an alarm message on the display screen, wherein the alarm message is "the side danger cannot open the vehicle door, and please wait for danger release or get off from the other side".
In this step, the BCM unlocks a door on one side of the vehicle in response to the first alarm release request, and the door can be opened at this time.
And 224, responding to the second alarm releasing request by the IVI, and displaying the alarm releasing information.
For example, the IVI may display a cancellation warning message on the display screen in response to the second cancellation warning request, where the cancellation warning message is "this side danger cancellation, and may perform an action of getting off the vehicle".
In the technical scheme provided by the embodiment of the invention, the angular radar acquires the object distance and the object speed at one side of the vehicle; the angle radar judges whether the object distance is smaller than a set distance and the object speed is greater than the set speed; if the angular radar judges that the object distance is smaller than the set distance and the object speed is greater than the set speed, a first alarm request is sent to a body controller BCM; the BCM locks a door on a side of the vehicle in response to the first alert request. According to the technical scheme provided by the embodiment of the invention, the object distance and the object speed of a moving object around the vehicle can be detected through the angle radar, and when the object distance is smaller than the set distance and the object speed is greater than the set speed, the BCM locks the door on one side of the vehicle, so that the safety of opening the door after parking is improved, and the getting-off safety of a user is guaranteed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method of latching a vehicle door, comprising:
the method comprises the steps that an angle radar acquires an object distance and an object speed on one side of a vehicle;
the angle radar judges whether the object distance is smaller than a set distance and the object speed is greater than a set speed;
if the angular radar judges that the object distance is smaller than the set distance and the object speed is greater than the set speed, a first alarm request is sent to a BCM (body controller);
the BCM locks a door on one side of the vehicle in response to the first alarm request.
2. The method of claim 1, further comprising:
if the angular radar judges that the object distance is greater than or equal to a set distance and the object speed is greater than a set speed, a first alarm releasing request is sent to a BCM (body controller);
the BCM unlocks a door on one side of the vehicle in response to the first warning release request.
3. The method of claim 1, further comprising:
if the angle radar judges that the object distance is smaller than the set distance and the object speed is smaller than or equal to the set speed, a first alarm request is sent to a BCM (body controller);
the BCM locks a door on one side of the vehicle in response to the first alarm request.
4. The method of claim 1, further comprising:
if the angle radar judges that the object distance is greater than or equal to a set distance and the object speed is less than or equal to a set speed, a first alarm releasing request is sent to a BCM (body controller);
the BCM unlocks a door on one side of the vehicle in response to the first warning release request.
5. The method of claim 1, wherein the angular radar, prior to acquiring the object distance and the object speed on the vehicle side, comprises:
the angle radar judges whether the acquired vehicle speed is less than a set vehicle speed threshold value;
and if the angle radar judges that the acquired vehicle speed is less than the set vehicle speed threshold value, continuing to execute the step of acquiring the object distance and the object speed of one side of the vehicle by the angle radar.
6. The method of claim 1 or 3, wherein after the BCM locks the vehicle side door in response to the alert request, comprising:
the BCM judges whether a door opening instruction is acquired or not;
if the BCM judges that a door opening instruction is obtained, a second alarm request is sent to an entertainment display system IVI;
the IVI displays alarm information in response to the second alarm request.
7. The method of claim 2 or 4, wherein after the BCM unlocks the vehicle side door in response to the disarm request, comprising:
the angle radar sends a second alarm release request to the IVI;
and the IVI responds to the second alarm removing request and displays alarm removing information.
8. An alarm system for opening a vehicle door, comprising: an angle radar and a body controller BCM;
the angle radar is used for acquiring the object distance and the object speed at one side of the vehicle; judging whether the object distance is smaller than a set distance and the object speed is greater than a set speed; if the object distance is smaller than the set distance and the object speed is greater than the set speed, sending a first alarm request to the BCM;
the BCM is used for responding to the first alarm request and locking a vehicle door on one side of the vehicle.
9. The system of claim 8, further comprising:
the angle radar is further used for sending a first alarm relieving request to the BCM if the object distance is judged to be greater than or equal to a set distance and the object speed is greater than a set speed;
the BCM is further used for responding to the first alarm releasing request to unlock a door on one side of the vehicle.
10. The system of claim 8, further comprising:
the angle radar is further used for sending a first alarm request to the BCM if the object distance is judged to be smaller than a set distance and the object speed is smaller than or equal to a set speed;
the BCM is further used for responding to the first alarm request and locking a vehicle door on one side of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110936156.0A CN113494214A (en) | 2021-08-16 | 2021-08-16 | Locking method and system for vehicle door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110936156.0A CN113494214A (en) | 2021-08-16 | 2021-08-16 | Locking method and system for vehicle door |
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| CN113494214A true CN113494214A (en) | 2021-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110936156.0A Pending CN113494214A (en) | 2021-08-16 | 2021-08-16 | Locking method and system for vehicle door |
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