CN112761428A - Lock-falling state judgment method and system - Google Patents
Lock-falling state judgment method and system Download PDFInfo
- Publication number
- CN112761428A CN112761428A CN202110097775.5A CN202110097775A CN112761428A CN 112761428 A CN112761428 A CN 112761428A CN 202110097775 A CN202110097775 A CN 202110097775A CN 112761428 A CN112761428 A CN 112761428A
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- key
- vehicle
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- lock
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B41/00—Locks with visible indication as to whether the lock is locked or unlocked
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
- E05B81/04—Electrical
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- 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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- 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
- E05B81/72—Monitoring or sensing, e.g. by using switches or sensors the lock status, i.e. locked or unlocked condition
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
Abstract
The application discloses a method and a system for judging a lock-out state, which relate to the technical field of automobile electronic control, and the method for judging the lock-out state comprises the following steps: setting the doors to be closed and not storing the key ID as an initial state, continuously detecting all the key IDs existing in the doors and storing the key IDs when any door is opened, and storing the same key ID only once; and when all the vehicle doors are closed again, detecting all the key IDs existing in the vehicle again, comparing the key IDs with the stored key IDs, and if the number of the key IDs detected again is less than the number of the stored key IDs and the vehicle state does not change within the preset time, starting the lock leaving and dropping function. According to the method and the system for judging the lock-falling state, the condition for triggering key detection is simple, whether the car owner leaves with the key can be accurately judged, whether the car owner leaves the car can be judged, and therefore the process of leaving the car and falling the lock can be judged, the safety performance of the car can be improved, and the risk that the car is stolen can be reduced.
Description
Technical Field
The application relates to the technical field of automobile electronic control, in particular to a lock-falling state judgment method and system.
Background
At present, with the continuous development of scientific technology, the requirements of car owners on cars are continuously increased, and meanwhile, the intelligent function fields of cars are continuously increased.
In the related art, in the process of judging whether the automobile is locked or unlocked, if a key is found in the automobile, the automobile is judged to be in the condition of stopping locking or unlocking, the automobile can immediately exit from the functional state of locking or unlocking, and the functional process of locking or unlocking is not continued, so that the dangerous condition caused by locking the key in the automobile is avoided.
However, the judgment method does not consider the situation that the vehicle has a plurality of matched keys, if the owner puts one key into the vehicle and leaves the vehicle with the other key, at the moment, the owner can directly quit the leaving and locking judgment process according to the conventional detection process, so that the door cannot be locked, and further economic loss is brought to the owner.
Disclosure of Invention
In view of one of the defects in the prior art, the present application aims to provide a method and a system for determining a lock-out state, so as to solve the problem of economic loss caused by exiting from a lock-out function state immediately if a key is found in a vehicle in the related art.
A first aspect of the present application provides a method for determining a lock-down status, which includes the steps of:
setting the doors to be closed and not storing the key ID as an initial state, continuously detecting all the key IDs existing in the doors and storing the key IDs when any door is opened, and storing the same key ID only once;
and when all the vehicle doors are closed again, detecting all the key IDs existing in the vehicle again, comparing the key IDs with the stored key IDs, and if the number of the key IDs detected again is less than the number of the stored key IDs and the vehicle state does not change within the preset time, starting the lock leaving and dropping function.
In some embodiments, the continuously detecting all the key IDs existing in the vehicle further includes:
all the currently detected key IDs are compared with all the stored key IDs one by one, and the key IDs which are not stored among all the currently detected key IDs are stored.
In some embodiments, the detecting all the key IDs existing in the vehicle specifically includes:
the controller sends out a low-frequency signal containing key information;
and when the key receiving the low-frequency signal judges that the key itself stores the same key information, sending a high-frequency signal containing the ID and the key information of the key to the controller.
In some embodiments, before setting that all the vehicle doors are closed and the key ID is not stored as the initial state, the method further includes:
the same key information is previously stored in the controller and all keys bound to the vehicle, respectively.
In some embodiments, when the lock releasing function is started, it is not necessary to detect whether a key exists in the vehicle again.
The second aspect of the present application provides a system for determining a lock-down state, which includes:
the controller is used for setting the doors to be closed and not storing the key ID as an initial state, and continuously sending an in-vehicle key detection instruction to the antenna when any door is opened; when all the vehicle doors are closed again, the in-vehicle key detection instruction is sent to the antenna again;
the antenna is used for acquiring all key IDs according to the key detection instruction in the vehicle and forwarding the key IDs to the controller;
the controller is further configured to store all key IDs acquired by continuously sending the in-vehicle key detection instruction, and the same key ID is stored only once; and starting the off-vehicle lock-falling function when the number of all the key IDs acquired by re-sending the in-vehicle key detection instruction is less than the number of the stored key IDs and the vehicle state is not changed within the preset time.
In some embodiments, the antennas include a first antenna located at a front side door handle of the vehicle, a second antenna located at a front portion, a middle portion, and a rear portion of the vehicle, respectively, and a third antenna located at a rear door of the vehicle.
In some embodiments, the controller is further configured to compare all currently detected key IDs with all stored key IDs one by one, and store an unreported key ID of all currently detected key IDs, when all key IDs are continuously acquired.
In some embodiments, the controller and all keys bound to the vehicle store the same key information.
In some embodiments, the in-vehicle key detection command is a low-frequency signal containing key information;
the key is used for receiving the low-frequency signal and judging whether the same key information is stored in the key; and also for transmitting a high frequency signal containing the self ID and the key information to the above antenna when it stores the same key information.
The beneficial effect that technical scheme that this application provided brought includes:
according to the method and the system for judging the lock-down state, when any vehicle door is opened, all key IDs existing in the vehicle are continuously detected and stored, and the same key ID is stored only once; and when all the vehicle doors are closed again, detecting all the key IDs existing in the vehicle again, comparing the key IDs with the stored key IDs, and if the number of the key IDs detected again is less than that of the stored key IDs and the vehicle state does not change within the preset time, indicating that the vehicle owner leaves with the key, and starting the vehicle leaving and locking function. Therefore, the condition for triggering key detection is simple, whether the owner leaves with the key can be accurately judged, whether the owner enters the process of leaving the vehicle and locking the vehicle can be judged, the safety performance of the vehicle can be improved, and the risk of vehicle theft is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a first flowchart of a lock-down status determination method according to an embodiment of the present disclosure;
FIG. 2 is a second flowchart of a lock-down status determination method according to an embodiment of the present application;
fig. 3 is a distribution diagram of an antenna in an embodiment of the present application.
Reference numerals:
1. a first antenna; 2. a second antenna; 3. a third antenna; 4. a door handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment of the application provides a method and a system for judging a lock-out state, which can solve the problem of economic loss caused by immediately exiting from a lock-out function state if a key is found in a vehicle in the related art.
As shown in fig. 1, the method for determining a lock-down status in an embodiment of the present application includes:
s1, setting the doors to be closed and not storing the key ID as an initial state, continuously detecting all the key IDs existing in the doors and storing the key IDs when any door is opened, and storing the same key ID only once.
In this embodiment, since all the key IDs existing in the vehicle are continuously detected and stored, the key IDs of the keys bound to the vehicle existing in the detection range are stored.
And S2, when all the vehicle doors are closed again, detecting all the key IDs existing in the vehicle again, comparing the key IDs with the stored key IDs, and if the number of the key IDs detected again is less than the number of the stored key IDs and the vehicle state does not change within the preset time, starting the function of leaving the vehicle and locking the vehicle.
In the embodiment, each key has the fixed ID, and when all the keys in the vehicle are detected again after all the vehicle doors are closed again, if the detected IDs correspond to the stored IDs one by one, no person leaves the vehicle with the key; if the re-detected ID does not include all the stored key IDs, that is, the number of re-detected key IDs is less than the number of stored key IDs, it indicates that someone has left the key.
The vehicle state refers to an accelerator pedal state, a brake pedal state, a clutch pedal state, a gear information state, a vehicle door state and the like, and the specific vehicle state can be set by a manufacturer. The vehicle state is not changed, namely the state of an accelerator pedal, the state of a brake pedal, the state of a clutch pedal, the state of gear information and the state of a vehicle door are not changed. Optionally, the preset time is 1-5 min.
According to the method for judging the lock falling state, when any vehicle door is opened, the fact that a person possibly enters or exits the vehicle is indicated, all key IDs existing in the vehicle need to be continuously detected and stored, and the same key IDs are stored only once, so that the fact that the person can still find and store the keys in real time when the person brings the keys into the vehicle in the state that the vehicle door is opened is guaranteed; and when all the vehicle doors are closed again, detecting all the key IDs existing in the vehicle again, comparing the key IDs with the stored key IDs, and if the number of the key IDs detected again is less than that of the stored key IDs and the vehicle state does not change within the preset time, indicating that the vehicle owner leaves with the key, and starting the vehicle leaving and locking function. Therefore, the method has simple conditions for triggering key detection, can accurately judge whether the owner leaves with the key, further judge whether to enter a leaving and locking function process, can also increase the safety performance of the vehicle and reduce the risk of vehicle theft.
Alternatively, if the number of key IDs detected again is 0, the off-vehicle lock function is directly activated. All stored key IDs may also be cleared each time a lock is removed.
In this embodiment, when continuously detecting all the key IDs existing in the vehicle in step S1, the method further includes:
first, all the key IDs currently detected are compared one by one with all the key IDs already stored. Then, the key IDs not stored among all the currently detected key IDs are stored, and it is ensured that the key IDs in all the detection ranges can be stored until all the doors are closed again.
If some doors are closed but other doors are still open, it is indicated that someone may get on or off the vehicle at this time, and therefore, all the key IDs existing in the vehicle are continuously detected. At this time, all the currently detected key IDs can be compared with all the stored key IDs; if the two are in one-to-one correspondence, it is indicated that no person leaves with the key, and if the key IDs which are not stored exist in all the currently detected key IDs, it is indicated that the person takes the key to get on the bus; if the number of all currently detected key IDs is less than the number of stored key IDs, it indicates that someone may leave the vehicle with a key.
Preferably, the detecting of all the key IDs existing in the vehicle each time specifically includes:
first, the controller sends out a low frequency signal containing key information.
And then, the key receiving the low-frequency signal judges whether the key itself stores the same key information, if so, the key sends a high-frequency signal containing the ID of the key itself and the key information to the controller, and the detection process of the key bound to the vehicle is completed. Otherwise, the key will not send a high frequency signal to the controller.
In this embodiment, the controller is a PEPS (Passive Entry Passive Start) controller. The controller sends a low frequency signal to the key via the antenna. If the high-frequency signal received by the controller does not contain the same key information as the high-frequency signal, the PEPS controller ignores the signal and does not perform any processing. Therefore, the key detection process can effectively detect the intelligent key bound by the vehicle in the detection range.
In addition, the PEPS controller can also judge whether the vehicle door is opened or closed according to the opening and closing state hard line signal of the vehicle door.
In this embodiment, before setting that all doors are closed and the key ID is not stored as the initial state in step S1, the method further includes:
the same key information is previously stored in the controller and all keys bound to the vehicle, respectively.
Through mutual learning of the keys corresponding to the vehicles and the PEPS controller and storage of the same key information, the intelligent keys of other vehicles can be effectively prevented from being detected mistakenly, and the mistaken unlocking operation is caused.
Furthermore, when the lock-off function is started, whether a key exists in the automobile or not is not required to be detected again, and the situation that the automobile door cannot be locked when the automobile owner loses one key in the automobile and leaves the automobile with another key can be avoided.
As shown in fig. 2, the determining method of the present embodiment specifically includes:
A1. setting the doors to be closed and the key ID not stored as an initial state;
A2. and judging whether any vehicle door is opened, if so, turning to A3, and otherwise, turning to A2.
A3. Detecting and storing all key IDs existing in the vehicle;
A4. and judging whether all the vehicle doors are closed again, if so, turning to A8, and otherwise, turning to A5.
A5. Re-detecting all key IDs existing in the vehicle;
A6. it is determined whether there is an unreported key ID among all the currently detected key IDs, and if so, the routine goes to a7, otherwise, the routine goes to a4.
A7. The key ID that is not stored is stored and the flow goes to a4.
A8. Detecting all the key IDs existing in the vehicle again;
A9. it is determined whether the number of key IDs detected again is 0, if so, a transition is made to a11, otherwise, a transition is made to a10.
A10. It is determined whether the number of the key IDs detected again is less than the number of the stored key IDs and the vehicle state does not change within a preset time, if so, the routine proceeds to a11, otherwise, the routine proceeds to a12.
A11. And starting the lock-off function.
A12. The function of locking the car is not started.
The system for determining the lock-down state of the present embodiment includes a controller and an antenna.
The controller is used for setting the doors to be closed and not storing the key ID as an initial state, and continuously sending an in-vehicle key detection instruction to the antenna when any door is opened; when all the vehicle doors are closed again, the controller is also used for sending the key detection command in the vehicle to the antenna again.
The antenna is used for acquiring all key IDs according to the received key detection instruction in the vehicle and forwarding the key IDs to the controller.
The controller is further configured to store all key IDs acquired by continuously sending the in-vehicle key detection instruction, and the same key ID is stored only once; the controller is further configured to activate the lock leaving function when the number of all the key IDs acquired by re-transmitting the in-vehicle key detection command is less than the number of the stored key IDs and the vehicle state does not change within a preset time.
As shown in fig. 3, in the present embodiment, the above-described antennas include a first antenna 1 located at a door handle 4 on the front side of the automobile, a second antenna 2 located at the front, middle, and rear portions of the automobile, respectively, and a third antenna 3 located at the tailgate of the automobile. Wherein, first antenna 1 is equipped with two, is located two door handle 4 departments of car front side respectively, and second antenna 2 is equipped with three, is located the preceding, well, back row department in the car respectively, and parallel arrangement each other.
Further, when the controller continuously acquires all the key IDs, the controller is further configured to compare all the currently detected key IDs with all the stored key IDs one by one, and store the key IDs that are not stored among all the currently detected key IDs.
In this embodiment, the controller and all the keys bound to the vehicle store the same key information.
The key detection instruction in the vehicle is a low-frequency signal containing key information, and the controller sends the key detection instruction in the vehicle to the antenna in the key detection range through the antenna. The area range of the antenna for sending the low-frequency signal is an elliptical shadow area corresponding to the antenna as the center, namely the key detection range of the antenna.
The key is used for receiving the low-frequency signal and judging whether the same key information is stored in the key. If yes, the key is also used for sending a high-frequency signal containing the self ID and the key information to the antenna, otherwise, the key does not send the high-frequency signal.
The judgment system of the embodiment is suitable for the judgment methods, all the intelligent keys ID bound to the vehicle are stored, and whether the vehicle owner leaves with the key or not can be accurately judged by combining the switch states of the four vehicle doors and the key detection results, so that whether the vehicle owner enters a vehicle leaving and locking function process or not is judged, and the key in the vehicle does not need to be detected again in the vehicle leaving and locking function.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention.
Claims (10)
1. A lock-down state judgment method is characterized by comprising the following steps:
setting the doors to be closed and not storing the key ID as an initial state, continuously detecting all the key IDs existing in the doors and storing the key IDs when any door is opened, and storing the same key ID only once;
and when all the vehicle doors are closed again, detecting all the key IDs existing in the vehicle again, comparing the key IDs with the stored key IDs, and if the number of the key IDs detected again is less than the number of the stored key IDs and the vehicle state does not change within the preset time, starting the lock leaving and dropping function.
2. The lock-down state determination method according to claim 1, characterized in that: when continuously detecting all key IDs that exist in the car, still include:
all the currently detected key IDs are compared with all the stored key IDs one by one, and the key IDs which are not stored among all the currently detected key IDs are stored.
3. The lock-down status determining method according to claim 1, wherein the detecting all the key IDs existing in the vehicle specifically includes:
the controller sends out a low-frequency signal containing key information;
and when the key receiving the low-frequency signal judges that the key itself stores the same key information, sending a high-frequency signal containing the ID and the key information of the key to the controller.
4. A lock down status determining method according to claim 3, wherein before setting both doors closed and not storing the key ID as an initial status, further comprising:
the same key information is stored in advance in the controller and all keys bound to the vehicle, respectively.
5. The lock-down state determination method according to claim 1, characterized in that: when the lock-off function is started, whether a key exists in the vehicle or not does not need to be detected again.
6. A lock-down state determination system, comprising:
the controller is used for setting the doors to be closed and not storing the key ID as an initial state, and continuously sending an in-vehicle key detection instruction to the antenna when any door is opened; when all the vehicle doors are closed again, the in-vehicle key detection instruction is sent to the antenna again;
the antenna is used for acquiring all key IDs according to the key detection instruction in the vehicle and forwarding the key IDs to the controller;
the controller is also used for storing all key IDs acquired by continuously sending the in-vehicle key detection instruction, and the same key ID is only stored once; and starting the off-vehicle lock-falling function when the number of all the key IDs acquired by re-sending the in-vehicle key detection instruction is less than the number of the stored key IDs and the vehicle state is not changed within the preset time.
7. A lock-down status determining system according to claim 6, wherein: the antenna comprises a first antenna positioned at a handle of a front side door of the automobile, a second antenna respectively positioned at the front part, the middle part and the rear part in the automobile, and a third antenna positioned at a tail door of the automobile.
8. A lock-down status determining system according to claim 6, wherein: the controller is further configured to compare all currently detected key IDs with all stored key IDs one by one, and store an unreported key ID of all currently detected key IDs, when all key IDs are continuously acquired.
9. A lock-down status determining system according to claim 6, wherein: the controller and all keys bound to the vehicle store the same key information.
10. A lock-down status determining system according to claim 9, wherein:
the key detection instruction in the vehicle is a low-frequency signal containing key information;
the key is used for receiving the low-frequency signal and judging whether the same key information is stored in the key; and is also used for sending a high-frequency signal containing the self ID and the key information to the antenna when the same key information is stored in the antenna.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110097775.5A CN112761428A (en) | 2021-01-25 | 2021-01-25 | Lock-falling state judgment method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110097775.5A CN112761428A (en) | 2021-01-25 | 2021-01-25 | Lock-falling state judgment method and system |
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| CN202110097775.5A Pending CN112761428A (en) | 2021-01-25 | 2021-01-25 | Lock-falling state judgment method and system |
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Application publication date: 20210507 |