CN114148285B - Automobile switch lock control method and system based on Bluetooth technology - Google Patents
Automobile switch lock control method and system based on Bluetooth technology Download PDFInfo
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- CN114148285B CN114148285B CN202111230405.0A CN202111230405A CN114148285B CN 114148285 B CN114148285 B CN 114148285B CN 202111230405 A CN202111230405 A CN 202111230405A CN 114148285 B CN114148285 B CN 114148285B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
- B60R2325/10—Communication protocols, communication systems of vehicle anti-theft devices
- B60R2325/101—Bluetooth
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- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The application discloses an automobile switch lock control method and system based on Bluetooth technology, wherein the method specifically comprises the steps of establishing Bluetooth connection between an automobile and a key terminal with a Bluetooth module, and acquiring signal strength or distance between the automobile and the key terminal; a forced unlocking value, an unlocking value, a locking value, a protection value and a disconnection value are preset in sequence from near to far according to the signal intensity or the distance between the automobile and the key terminal; if the signal strength is gradually increased or the distance is gradually reduced, the automobile is unlocked when the signal strength or the distance reaches an unlocking value; if the signal strength is gradually reduced or the distance is gradually increased, the automobile is closed when the signal strength or the distance reaches a closing value, and the forced unlocking value is effective, and the unlocking value is invalid; when the signal strength or the distance reaches a protection value, the unlocking value is revalidated; when the signal intensity or distance reaches the disconnection value, the automobile is disconnected with the key terminal. The application solves the problem that the automobile frequently jumps at the critical signal intensity or the critical distance, and also avoids the nonsensical switch lock of the automobile.
Description
Technical Field
The invention relates to the technical field of automobile key control, in particular to an automobile switch lock control method and system based on a Bluetooth technology.
Background
Along with the promotion of car electron technique, intelligent key development is faster and faster, just including the comfortable access system of bluetooth, and the comfortable access system of bluetooth makes the user carry under the condition that authenticated bluetooth terminal and car set up the connection, can realize that the car is automatic unblanked and is closed the lock automatically when user and car exist certain distance, has removed the car owner from and has turned over the vexation of looking for the car key, has promoted the user experience of car owner, and the car owner need not to carry the car key with oneself.
The working principle of the Bluetooth comfortable access system in the prior art is as follows: the automobile is provided with an unlocking value and a locking value according to the distance between the automobile and the authenticated Bluetooth terminal or the strength of the signal strength, and when the authenticated Bluetooth terminal carried by a user moves to the distance between the automobile and the automobile to be gradually increased or the signal strength is gradually reduced to reach the locking value, the automobile is locked; when the authenticated Bluetooth terminal carried by the user moves to the distance from the user to the automobile gradually decreases or the signal intensity gradually increases to reach an unlocking value, the automobile is unlocked.
When the distance or signal strength is within a critical range formed between the unlock value and the lock value, the car can be continuously unlocked and locked.
Disclosure of Invention
In order to solve the technical problems, the invention provides a control method for an automobile switch lock based on a Bluetooth technology, which can solve the problem that an automobile is continuously locked in a critical signal intensity or a critical distance:
a control method of an automobile switch lock based on Bluetooth technology comprises the following steps:
the method comprises the steps that a Bluetooth connection is established between an automobile and a key terminal with a Bluetooth module, and signal strength or distance between the automobile and the key terminal is obtained;
a forced unlocking value, an unlocking value, a locking value, a protection value and a disconnection value are preset in sequence from near to far according to the signal intensity or the distance between the automobile and the key terminal;
if the signal strength is gradually increased or the distance is gradually reduced, the automobile is unlocked when the signal strength or the distance reaches an unlocking value;
if the signal strength is gradually reduced or the distance is gradually increased,
When the signal strength or the distance reaches the locking value, the automobile is locked, the forced unlocking value is effective, the unlocking value is invalid, the signal strength is in a section which is smaller than the forced unlocking value and larger than the protection value, or the distance is larger than the forced unlocking value and smaller than the protection value, the automobile does not execute unlocking or locking actions, and when the signal strength is increased or the distance is reduced to reach the forced unlocking value, the automobile is unlocked;
when the signal strength or the distance reaches a protection value, the unlocking value is revalidated;
When the signal intensity or distance reaches the disconnection value, the automobile is disconnected with the key terminal.
Preferably, the method for presetting the forced unlocking value, the locking value, the protection value and the disconnection value in sequence from near to far according to the signal intensity or the distance between the automobile and the key terminal comprises the following steps:
After unlocking values and locking values are preset in sequence from near to far according to the signal intensity or the distance between the automobile and the key terminal, a forced unlocking value is generated according to the preset unlocking values, and a protection value and a disconnection value are generated according to the preset locking values.
Preferably, the automobile is provided with a first Bluetooth module, the key terminal is provided with a second Bluetooth module, the first Bluetooth module transmits Bluetooth signals and establishes Bluetooth connection with the second Bluetooth module, and the signal strength is a received field strength signal indication between the first Bluetooth module and the second Bluetooth module.
Preferably, the key terminal is a mobile terminal or pke electronic key.
The application also provides an automobile switch lock control system based on the Bluetooth technology, which comprises:
a key terminal having a Bluetooth module;
the automobile is used for establishing Bluetooth connection with a Bluetooth module of the key terminal and acquiring signal strength or distance between the automobile and the key terminal;
the method comprises the steps of obtaining a key terminal, and presetting a forced unlocking value, an unlocking value, a locking value, a protection value and a disconnection value which are sequentially far away from an automobile according to the signal intensity or the distance between the automobile and the key terminal;
if the signal strength is gradually increased or the distance is gradually reduced, the automobile is unlocked when the signal strength or the distance reaches an unlocking value;
if the signal strength is gradually reduced or the distance is gradually increased,
When the signal strength or the distance reaches the locking value, the automobile is locked, the forced unlocking value is effective, the unlocking value is invalid, the signal strength is in a section which is smaller than the forced unlocking value and larger than the protection value, or the distance is larger than the forced unlocking value and smaller than the protection value, the automobile does not execute unlocking or locking actions, and when the signal strength is increased or the distance is reduced to reach the forced unlocking value, the automobile is unlocked;
when the signal strength or the distance reaches a protection value, the unlocking value is revalidated;
When the signal intensity or distance reaches the disconnection value, the automobile is disconnected with the key terminal.
The automobile switch lock control method and system based on the Bluetooth technology have the following advantages:
(1) After the Bluetooth connection is established between the automobile and the key terminal, if the signal intensity between the automobile and the key terminal is increased or the distance is reduced to reach an unlocking value, the automobile is unlocked, and the keyless entry of the automobile is realized;
(2) When the driver leaves the automobile, the signal intensity is gradually reduced or the distance is gradually increased until the signal intensity reaches a locking value, and the automobile is automatically locked, so that the automobile is locked without a key;
(3) After the signal intensity is gradually reduced or the distance is gradually increased to reach the locking value, the forced unlocking value is effective, the unlocking value is invalid, and the automobile is unlocked when the driver moves to the signal intensity or the distance again to reach the forced unlocking value, so that the automobile is prevented from being unlocked by mistake when the driver moves in the interval between the forced unlocking value and the protection value, the keyless entry function of the automobile is ensured, and the meaningless unlocking of the automobile is also avoided;
(4) According to the application, the forced unlocking value, the locking value, the protection value and the breaking value which are sequentially far away from the automobile are set, so that the automobile can execute unlocking or locking actions under different signal intensities or distances, and the automobile is prevented from continuously locking under the critical signal intensity or the critical distance.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
Fig. 1 is a schematic diagram illustrating steps of a control method of an automobile switch lock based on bluetooth according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a control system for an automobile switch lock according to embodiment 3 of the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention. The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
Example 1
Referring to fig. 1, an embodiment 1 of the present invention is provided, and the control method for an automobile switch lock based on bluetooth specifically includes:
The method comprises the steps that a Bluetooth connection is established between an automobile and a key terminal with a Bluetooth module, and the signal intensity between the automobile and the key terminal is obtained;
presetting a forced unlocking value, an unlocking value, a locking value, a protection value and a disconnection value which are sequentially far away from the automobile according to the signal intensity between the automobile and the key terminal;
if the signal intensity is gradually increased to be larger than or equal to the unlocking value, unlocking the automobile;
If the signal strength is gradually decreased and gradually increased,
When the signal intensity is smaller than or equal to the locking value and larger than the protection value, the automobile is locked, the forced unlocking value is effective, the unlocking value is invalid, the key terminal moves in a section between the signal intensity smaller than the forced unlocking value and larger than the protection value, the automobile does not execute action, and when the signal intensity is increased again to be larger than or equal to the forced unlocking value, the automobile is unlocked;
When the signal strength continues to decrease to be smaller than or equal to the protection value and larger than the disconnection value, the unlocking value is revalidated; then the key terminal moves to the direction approaching the automobile until the signal intensity is increased to be more than or equal to the unlocking value again, and the automobile is unlocked;
When the signal strength is less than or equal to the disconnection value, the car is disconnected from the key terminal.
From the above, it can be seen that:
when a driver carrying the key terminal approaches to the automobile, the signal intensity between the key terminal and the automobile is gradually increased to be larger than or equal to an unlocking value, and the automobile is unlocked, so that the keyless automobile is realized.
In the process that a driver carrying a key terminal is far away from an automobile, the signal intensity between the key terminal and the automobile is gradually reduced, when the signal intensity is smaller than or equal to a locking value and larger than a protection value, the automobile is locked, and at the moment, the forced unlocking value is effective, and the unlocking value is invalid; when the signal strength is smaller than or equal to the protection value and larger than the disconnection value, the unlocking value is revalidated; when the signal strength is less than or equal to the disconnection value, the car is disconnected from the key terminal.
When the signal intensity between the key terminal and the automobile is reduced to be smaller than or equal to a locking value and larger than a protection value, the automobile is locked, and if the signal intensity is larger than or equal to a forced unlocking value only when the driver brings the key terminal to get close to the automobile again, the automobile is unlocked;
When the driver carries the key terminal to keep away from the automobile until the signal intensity is greater than or equal to the protection value and smaller than the disconnection value, the unlocking value is revalidated, and if the driver carries the key terminal to get close to the automobile again, the automobile is unlocked when the signal intensity or the distance reaches the unlocking value.
Therefore, after the driver carrying the key terminal is far away from the automobile to the automobile for locking, the driver is prevented from unlocking the automobile by mistake when the signal intensity or the distance is in the interval between the forced unlocking value and the protection value; the function of keyless entry of the automobile is guaranteed, and the nonsensical switch lock of the automobile is avoided.
Specifically, the method for presetting a forced unlocking value, an unlocking value, a locking value, a protection value and a disconnection value in sequence from near to far according to the signal intensity or the distance between the automobile and the key terminal comprises the following steps:
After unlocking values and locking values are preset in sequence from near to far according to the signal intensity or the distance between the automobile and the key terminal, a forced unlocking value is generated according to the preset unlocking values, and a protection value and a disconnection value are generated according to the preset locking values.
In the embodiment, the unlocking value ranges from 0 to-30 db, the locking value ranges from 6 to-40 db, the protecting value ranges from-9 to-50 db, the disconnecting value ranges from-40 db, and the automobile can adjust the unlocking value and the locking value according to the needs of the automobile so as to be suitable for different use conditions.
Specifically, the car has first bluetooth module, the key terminal has the second bluetooth module, first bluetooth module transmits bluetooth signal and establishes bluetooth connection with the second bluetooth module, signal strength be first bluetooth module with the receipt field strength signal indication between the second bluetooth module.
If the signal strength is gradually reduced or the distance is gradually increased, it should be noted that if the protection value and the disconnection value are overlapped, the unlocking value can be regenerated again.
Example 2
Presetting a forced unlocking value, an unlocking value, a locking value, a protection value and a disconnection value which are sequentially far away from the automobile according to the distance between the automobile and the key terminal;
Establishing Bluetooth connection with a key terminal, and acquiring the distance between the Bluetooth connection and the key terminal;
If the distance is gradually reduced to be smaller than or equal to the unlocking value, unlocking the automobile;
If the distance is to be increased gradually,
When the distance is larger than or equal to the locking value and smaller than the protection value, the automobile is locked, the forced unlocking value is effective, the unlocking value is invalid, when the distance is larger than the forced unlocking value and smaller than the protection value, the automobile does not execute action, and when the distance is reduced again to reach the forced unlocking value, the automobile is unlocked;
when the distance is equal to or greater than the protection value and less than the disconnection value, the unlocking value is revalidated;
when the distance is greater than or equal to the disconnection value, the automobile is disconnected from the key terminal.
From the above, it can be seen that:
In this embodiment, five distance values of a forced unlocking value, an unlocking value, a locking value, a protecting value and a breaking value are preset, so that the distance between the automobile and the key terminal is obtained after the first bluetooth module and the second bluetooth module are connected, and the unlocking or locking action of the automobile is performed according to the distance between the automobile and the key terminal.
After the automobile obtains the received field intensity signal indication between the automobile and the second Bluetooth module through the first Bluetooth module, the automobile converts the obtained received field intensity signal indication into the distance between the first Bluetooth module and the second Bluetooth module, so that the distance between the driver and the automobile is obtained.
Specifically, in this embodiment, the distance is converted from the received field strength signal indication, and the calculation formula of the distance is: d=10 [ (RSSI-a)/10×n ], where RSSI represents a received field strength signal indication, a represents a signal strength when the first bluetooth module and the second bluetooth module are separated by 1 meter, n represents an environmental attenuation factor, and d represents a distance between the first bluetooth module and the second bluetooth module.
In this embodiment, the forced unlocking value is set to 2m, the unlocking value is set to 5m, the closing value is set to 10m, the protection value is set to 15m, and the opening value is set to 25m.
The method specifically comprises the following steps:
acquiring a distance D between an automobile and the key terminal;
If the distance D is gradually reduced in size,
When the distance D is less than or equal to 5m, unlocking the automobile;
If the distance D is to be increased gradually,
When the distance D is less than or equal to 10m and less than 15m, the automobile is locked, the forced unlocking value is effective, and the unlocking value is invalid; when the key terminal moves within the range that the distance between the key terminal and the automobile is more than 2m and less than 15m, the automobile does not execute unlocking and locking actions; when the distance between the key terminal and the automobile is reduced to D less than or equal to 2m again, unlocking the automobile;
The distance D is continuously increased to be more than or equal to 15 and less than 25m, the unlocking value is revalidated, and if the distance between the key terminal and the automobile is reduced to be more than or equal to 5m again, the automobile is unlocked;
the distance D is continuously increased to be more than or equal to 25m, and the key terminal is disconnected with the automobile.
The user can preset the unlocking value and the locking value according to the self requirement and the automobile, after the unlocking value and the locking value are preset, a forced unlocking value is generated according to the preset unlocking value, and a protection value and a disconnection value are generated according to the preset locking value, for example, the forced unlocking value is reduced by 2-3m on the basis of the unlocking value, the protection value is increased by 5m on the basis of the locking value, and the disconnection value is increased by 5m on the basis of the locking value.
Example 3
As described with reference to fig. 2, in this embodiment, an automobile switch lock control system based on bluetooth technology is provided, including:
a key terminal having a Bluetooth module;
the automobile is used for establishing Bluetooth connection with a Bluetooth module of the key terminal and acquiring signal strength or distance between the automobile and the key terminal;
the method comprises the steps of obtaining a key terminal, and presetting a forced unlocking value, an unlocking value, a locking value, a protection value and a disconnection value which are sequentially far away from an automobile according to the signal intensity or the distance between the automobile and the key terminal;
if the signal strength is gradually increased or the distance is gradually reduced, the automobile is unlocked when the signal strength or the distance reaches an unlocking value;
if the signal strength is gradually reduced or the distance is gradually increased,
When the signal strength or the distance reaches the locking value, the automobile is locked, the forced unlocking value is effective, the unlocking value is invalid, the signal strength is in a section which is smaller than the forced unlocking value and larger than the protection value, or the distance is larger than the forced unlocking value and smaller than the protection value, the automobile does not execute unlocking or locking actions, and when the signal strength is increased or the distance is reduced to reach the forced unlocking value, the automobile is unlocked;
when the signal strength or the distance reaches a protection value, the unlocking value is revalidated;
When the signal intensity or distance reaches the disconnection value, the automobile is disconnected with the key terminal.
The automobile unlocking and locking control system based on the Bluetooth technology achieves automatic unlocking and locking of an automobile within a certain distance range, achieves keyless unlocking and locking of the automobile, and enables the automobile to execute unlocking or locking actions under different signal strengths or distances, so that the automobile is prevented from frequently continuously locking at critical signal strengths or critical distances.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way; those skilled in the art will readily appreciate that the present invention may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present invention are possible in light of the above teachings, without departing from the scope of the invention; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present invention still fall within the scope of the present invention.
Claims (5)
1. A control method of an automobile switch lock based on Bluetooth technology is characterized by comprising the following steps:
the method comprises the steps that a Bluetooth connection is established between an automobile and a key terminal with a Bluetooth module, and signal strength or distance between the automobile and the key terminal is obtained;
a forced unlocking value, an unlocking value, a locking value, a protection value and a disconnection value are preset in sequence from near to far according to the signal intensity or the distance between the automobile and the key terminal;
if the signal strength is gradually increased or the distance is gradually reduced, the automobile is unlocked when the signal strength or the distance reaches an unlocking value;
if the signal strength is gradually reduced or the distance is gradually increased,
When the signal strength or the distance reaches the locking value, the automobile is locked, the forced unlocking value is effective, the unlocking value is invalid, the signal strength is in a section which is smaller than the forced unlocking value and larger than the protection value, or the distance is larger than the forced unlocking value and smaller than the protection value, the automobile does not execute unlocking or locking actions, and when the signal strength is increased or the distance is reduced to reach the forced unlocking value, the automobile is unlocked;
when the signal strength or the distance reaches a protection value, the unlocking value is revalidated;
When the signal intensity or distance reaches the disconnection value, the automobile is disconnected with the key terminal.
2. The control method of the automobile switch lock based on the Bluetooth technology according to claim 1, wherein the method for presetting the forced unlocking value, the locking value, the protection value and the disconnection value in sequence from near to far according to the signal intensity or the distance between the automobile and the key terminal comprises the following steps:
After unlocking values and locking values are preset in sequence from near to far according to the signal intensity or the distance between the automobile and the key terminal, a forced unlocking value is generated according to the preset unlocking values, and a protection value and a disconnection value are generated according to the preset locking values.
3. The method for controlling a lock of an automobile switch based on bluetooth according to claim 1, wherein the automobile has a first bluetooth module, the key terminal has a second bluetooth module, the first bluetooth module transmits a bluetooth signal and establishes a bluetooth connection with the second bluetooth module, and the signal strength is an indication of a received field strength signal between the first bluetooth module and the second bluetooth module.
4. A control method of an automobile switch lock based on bluetooth technology according to any one of claims 1-3, wherein the key terminal is a mobile terminal or pke electronic key.
5. An automobile switch lock control system based on bluetooth, characterized by comprising:
a key terminal having a Bluetooth module;
the automobile is used for establishing Bluetooth connection with a Bluetooth module of the key terminal and acquiring signal strength or distance between the automobile and the key terminal;
the method comprises the steps of obtaining a key terminal, and presetting a forced unlocking value, an unlocking value, a locking value, a protection value and a disconnection value which are sequentially far away from an automobile according to the signal intensity or the distance between the automobile and the key terminal;
if the signal strength is gradually increased or the distance is gradually reduced, the automobile is unlocked when the signal strength or the distance reaches an unlocking value;
if the signal strength is gradually reduced or the distance is gradually increased,
When the signal strength or the distance reaches the locking value, the automobile is locked, the forced unlocking value is effective, the unlocking value is invalid, the signal strength is in a section which is smaller than the forced unlocking value and larger than the protection value, or the distance is larger than the forced unlocking value and smaller than the protection value, the automobile does not execute unlocking or locking actions, and when the signal strength is increased or the distance is reduced to reach the forced unlocking value, the automobile is unlocked;
when the signal strength or the distance reaches a protection value, the unlocking value is revalidated;
When the signal intensity or distance reaches the disconnection value, the automobile is disconnected with the key terminal.
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| CN202111230405.0A CN114148285B (en) | 2021-10-21 | 2021-10-21 | Automobile switch lock control method and system based on Bluetooth technology |
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| CN202111230405.0A CN114148285B (en) | 2021-10-21 | 2021-10-21 | Automobile switch lock control method and system based on Bluetooth technology |
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| CN115158219B (en) * | 2022-06-23 | 2024-05-31 | 中山市澳多电子科技有限公司 | Automobile handle switch lock control method and system based on Bluetooth technology |
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