CN112330851A - Convenient intelligent lock based on Bluetooth communication and control method thereof - Google Patents
Convenient intelligent lock based on Bluetooth communication and control method thereof Download PDFInfo
- Publication number
- CN112330851A CN112330851A CN202010725349.7A CN202010725349A CN112330851A CN 112330851 A CN112330851 A CN 112330851A CN 202010725349 A CN202010725349 A CN 202010725349A CN 112330851 A CN112330851 A CN 112330851A
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- bluetooth
- vehicle
- control unit
- module
- lock
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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
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H5/00—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
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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
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
Abstract
The invention provides a convenient intelligent lock based on Bluetooth communication and a control method thereof. During the car owner's cell-phone bluetooth MAC address was encrypted and was write in little the control unit through specific APP, only need open the cell-phone bluetooth when needing unblanking, little the control unit will carry out the MAC address automatically and compare. The substantial effects of the invention are as follows: only need once back through APP record cell-phone bluetooth MAC address, use same cell-phone to carry out follow-up unblanking only to open the bluetooth and be in near the vehicle, and needn't carry out cell-phone screen unblock again and open extra operations such as APP and can open the intelligence lock, solved current bluetooth lock and unblanked all need open cell-phone APP and verify at every turn, lead to complex operation, the long technical problem of unblanking time.
Description
Technical Field
The invention relates to the technical field of electric vehicle locks, in particular to a convenient intelligent lock based on Bluetooth communication and a control method thereof.
Background
The electric vehicle is a very popular vehicle in the modern times, the unlocking modes of the electric vehicle on the market are mainly divided into two modes, one mode is unlocking through a key, and the electric vehicle has the advantages of simple structure and good stability, but the condition that the key is forgotten or lost sometimes happens; the other type is electronic lock, for example, magnetic card entrance guard or the key that sends through cell-phone bluetooth acquireed the lock, decipher and the operation of unblanking to the key through the corresponding APP of installation on the cell-phone, or send specific signal through APP and open the lock. However, the mobile phone APP is required to be opened when the mobile phone APP is unlocked in the mode, and the technical problems of complex operation and long unlocking time exist.
Publication number CN110881182A discloses a method for verifying terminal and intelligent bluetooth lock, intelligent bluetooth lock and storage medium, comprising the following steps:
the mobile terminal initiates an unlocking request to the intelligent Bluetooth lock; the intelligent Bluetooth lock receives the unlocking request, generates a unique identification code, sends the unique identification code to the mobile terminal and the cloud server, and sends a check code acquisition request to the cloud server; the mobile terminal acquires the unique identification code and initiates a check code acquisition request to the cloud server; the cloud server receives the check code acquisition request, generates a dynamic check code according to the unique identification code and returns the dynamic check code to the mobile terminal and the intelligent Bluetooth lock; the mobile terminal receives the dynamic check code and sends a data packet containing the dynamic check code to the intelligent Bluetooth lock; the intelligent Bluetooth lock receives the dynamic check code of the cloud server and the data packet of the mobile terminal, and checks; and if the verification is successful, executing an unlocking command. According to the invention, the security of the user for operating the intelligent lock is increased by checking the dynamic check codes of the cloud server and the mobile terminal. However, the mobile phone needs to be opened to acquire the check code from the cloud server every time of unlocking, and the technical problems of complex operation and long unlocking time are still not solved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the current bluetooth lock unblanks at every turn and all need open cell-phone APP and verify, leads to complex operation, the long technical problem of unblanking time.
In order to solve the technical problems and shorten the unlocking time of the Bluetooth lock, the invention provides a convenient intelligent lock based on Bluetooth communication and a control method thereof, the convenient intelligent lock based on Bluetooth communication comprises a vehicle lock, a power supply module, a micro control unit, an information feedback module, a Bluetooth module, a mobile terminal and a server, the micro control unit is connected with a VCU of a vehicle control unit, the micro control unit controls the power supply of the vehicle lock and a vehicle through the VCU of the vehicle control unit, the information feedback module comprises a GPRS module and a GPS module, the GPRS module, the GPS module and the Bluetooth module are all connected with the micro control unit, the Bluetooth module is in pairing communication with the mobile terminal through Bluetooth, the GPRS module is in communication with the server through a general packet radio service, and the GPS module monitors the vehicle speed and the position information of the vehicle, the power module supplies power to other parts. The control method of the convenient intelligent lock based on the Bluetooth communication comprises an APP, wherein the APP registers a user through an identity card and performs the following steps in a matching manner: B1. the APP is installed on the owner mobile phone, the APP acquires the Bluetooth name and the Bluetooth MAC address of the owner mobile phone and transmits the Bluetooth name and the Bluetooth MAC address to the server for backup,
B2. the Bluetooth name and the Bluetooth MAC address of the mobile phone of the vehicle owner are written into the micro control unit and stored as vehicle owner information,
B3. the Bluetooth module is connected with other Bluetooth devices, estimates the distance between the vehicle owner and the vehicle through signal intensity and transmits the distance information to the micro control unit,
B4. the Bluetooth module reads the MAC addresses of other Bluetooth devices, the micro control unit compares the read MAC addresses with pre-stored owner information, and if the MAC addresses of the other Bluetooth devices are consistent with the owner information stored by the micro control unit, the motor lock is opened;
if the MAC addresses of the other Bluetooth devices are inconsistent with the owner information stored in the micro control unit, the motor lock is kept locked,
B5. the GPS module detects the motion state of the vehicle and transmits the motion state of the vehicle to the micro-control unit, the motion state of the vehicle is divided into driving and parking,
if the vehicle motion state is parking, when a mobile phone of a vehicle owner is disconnected with the Bluetooth module or when the distance information estimated by the Bluetooth module exceeds D2, the micro control unit disconnects the motor lock and vehicle power supply through the VCU of the vehicle controller, and the motor lock is changed from being unlocked to being locked;
and if the vehicle motion state is driving, the motor lock is kept open.
When needing to unblank, through bluetooth module direct reading user's bluetooth of mobile phone MAC address, if user's bluetooth of mobile phone MAC address is unanimous with the car owner information of storage in the microprocessing unit, then open electric motor car lock, the user only need accomplish when using for the first time and verify, when later using the electric motor car, only need guarantee that bluetooth of mobile phone opens, can be close the automatic unblanking of electric motor car certain distance back, need not unnecessary operation.
Preferably, the vehicle lock comprises a motor lock, the motor lock is opened when being powered on and is locked when being powered off, and the mobile terminal is a mobile phone with a Bluetooth function. The structure of the motor lock is different from that of a common vehicle lock, so that the motor lock is not easy to be pried by a common tool, and the safety of a vehicle is ensured. The motor lock is locked when the power is off, so that electric energy is not consumed when the vehicle is parked.
Preferably, when the step B4 is executed, the bluetooth module searches for nearby bluetooth devices at a frequency f and connects to a bluetooth device with a name and a MAC address consistent with the owner information, when the owner mobile phone turns on bluetooth and approaches a distance D1, the mcu controls the electromechanical lock and the vehicle to be powered on through the vehicle control unit VCU, and the electromechanical lock is turned from locked to unlocked;
when the mobile phone of the vehicle owner is not connected with the Bluetooth module or the distance between the vehicle owner and the vehicle is larger than or equal to the distance D1, the motor lock is kept locked.
Preferably, when the step B4 is executed, the smart lock based on bluetooth communication includes an activation button, the activation button is mounted on an outer surface of the vehicle, when the activation button is pressed, the mcu controls the bluetooth module to start searching for a nearby bluetooth device and reading the name and MAC address of the nearby bluetooth device, the process duration of searching for the nearby bluetooth device is T1, if the bluetooth module is connected to a bluetooth device whose name and MAC address are consistent with the owner information within T1, the mcu controls the motor lock and the vehicle to power on via the vehicle control unit VCU, the motor lock is changed from being locked to being unlocked,
if the Bluetooth module is not connected with the Bluetooth device with the name and the MAC address consistent with the owner information in T1, the motor lock is kept locked, and the Bluetooth module stops searching and enters a standby state. When in a standby state, the power of the Bluetooth module is greatly reduced, which is beneficial to saving electric quantity.
Preferably, the micro control unit is capable of storing a plurality of sets of owner information. Namely, the micro control unit can specifically identify a plurality of groups of owner information, so that a user can conveniently authorize other people to use the vehicle.
Preferably, the owner information is written into the micro control unit through the Bluetooth module or the GPRS module in a ciphertext mode after the user completes identity authentication. And the information is written in a ciphertext mode, so that the information security is improved, and the condition that a hacker rewrites the storage content in the micro control unit to steal the vehicle is avoided.
Preferably, when a certain set of owner information needs to be deleted, the following steps are performed
B5. The server sends a deleting command and the owner information needing to be deleted to the micro control unit through the GPRS module, and the micro control unit deletes the received owner information needing to be deleted.
Preferably, the step B1 further comprises the following steps
B11 the APP uploads the Bluetooth name and the Bluetooth MAC address of the user mobile phone to the server in a period T, the server receives the Bluetooth name and the Bluetooth MAC address of the user mobile phone uploaded by the APP and then updates the information, and the user is reminded through short messages. When the user changes the bluetooth name or MAC address for various reasons, an automatic update function is preferably added so that the user does not have to re-bind the phone.
Preferably, the convenient intelligent lock based on the Bluetooth communication can also be unlocked by sending an instruction through the APP or the server.
Preferably, a power module of convenient intelligence lock based on bluetooth communication includes vehicle battery and stand-by battery, preferentially uses vehicle battery supplies power, works as when stand-by battery is activated, sends out the signal through the GPRS module and arrives the server, the server reminds the user to charge through the SMS.
Preferably, an information security guarantee device is arranged at a connecting line of the micro control unit and the VCU of the vehicle controller, and comprises a signal isolation gate and a random code generator, wherein the signal isolation gate and the random code generator improve the safety of the vehicle and prevent hackers from randomly invading the VCU of the vehicle controller.
The substantial effects of the invention are as follows: only need once back through APP record cell-phone bluetooth MAC address, use same cell-phone to carry out follow-up unblanking only to open the bluetooth and be in near the vehicle, and needn't carry out cell-phone screen unblock again and open extra operations such as APP and can open the intelligence lock, solved current bluetooth lock and unblanked all need open cell-phone APP and verify at every turn, lead to complex operation, the long technical problem of unblanking time.
Drawings
FIG. 1 is a flow chart of the first embodiment.
FIG. 2 is a schematic diagram of the composition of the embodiment.
In the figure: 100, APP, 200, a vehicle owner mobile phone, 300, a Bluetooth module, 400, a micro control unit, 500, a GPS module, 600, a GPRS module, 700, a vehicle control unit VCU, 800, a motor lock and 900, a server.
Detailed Description
The following provides a more detailed description of the present invention, with reference to the accompanying drawings.
As shown in FIG. 1, the basic flow using the first embodiment is as follows
The APP100 is installed on the owner mobile phone 200, and the APP100 acquires the Bluetooth name and the Bluetooth MAC address of the owner mobile phone 200 and transmits the Bluetooth name and the Bluetooth MAC address into the server 900 for backup. The bluetooth module 300 is connected with other bluetooth equipment, the bluetooth module 300 estimates the distance between the vehicle owner and the vehicle through signal intensity and transmits the distance information to the micro control unit 400, the bluetooth module 300 reads the MAC address of other bluetooth equipment, the micro control unit 400 compares the read MAC address with the pre-stored vehicle owner information, if the MAC address of other bluetooth equipment is consistent with the vehicle owner information stored by the micro control unit 400, and the estimated distance is within 3m, the electric lock 800 is opened, otherwise, the electric lock 800 is locked, and the nearby bluetooth equipment is repeatedly searched.
The distance estimation formula is d = 10^ (abs (rssi) -a/(10 × n)), where:
d: distance between intelligence lock and car owner's cell-phone 200, abs: taking an absolute value, rssi: the signal intensity of the Bluetooth device is a, the signal intensity is a when the Bluetooth device is separated by one meter, and n is an environment attenuation factor.
The environmental attenuation factor n is measured by a plurality of experiments.
If the vehicle is parked in the motion state, when the owner mobile phone 200 is disconnected from the bluetooth module 300 or when the distance information estimated by the bluetooth module 300 exceeds D2, the mcu 400 disconnects the electromechanical lock 800 and the vehicle power supply through the vehicle control unit VCU700, and the electromechanical lock 800 is changed from open to locked;
if the vehicle motion state is driving, the motor lock 800 remains open.
As shown in fig. 2, including lock, little the control unit 400, information feedback module, bluetooth module 300, mobile terminal and server 900, little the control unit 400 is connected with vehicle control unit VCU700, little the control unit 400 passes through vehicle control unit VCU700 control the power supply of lock and vehicle, information feedback module includes GPRS module 600 and GPS module 500, GPRS module 600, GPS module 500 and bluetooth module 300 all with little the control unit 400 is connected, bluetooth module 300 with mobile terminal passes through the bluetooth and pairs the communication, GPRS module 600 through general packet radio service with server 900 communication, GPS module 500 monitors the speed of a vehicle and positional information.
When needing to unblank, through bluetooth module 300 direct reading user's bluetooth of mobile phone MAC address, if user's bluetooth of mobile phone MAC address is unanimous with the car owner information of storage in the microprocessing unit, then open the electric motor car lock, the user only need accomplish when using for the first time and verify, when later using the electric motor car, only need guarantee that bluetooth of mobile phone opens, can be close the automatic unblanking of electric motor car certain distance back, need not unnecessary operation. If the mobile phone is forgotten to be carried, an unlocking request can be sent to the server 900 remotely, and after the identity authentication is correct, the vehicle lock can be opened remotely through GPRS communication.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (9)
1. The utility model provides a convenient intelligence lock based on bluetooth communication for the vehicle theftproof, its characterized in that: including lock, power module, little the control unit, information feedback module, bluetooth module, mobile terminal and server, little the control unit is connected with vehicle control unit VCU, little the control unit passes through vehicle control unit VCU control the power supply of lock and vehicle, information feedback module includes GPRS module and GPS module, GPRS module, GPS module and bluetooth module all with little the control unit connection, bluetooth module with mobile terminal passes through the bluetooth and pairs the communication, GPRS module through general packet radio service with the server communication, the speed of a motor vehicle and positional information of GPS module monitoring vehicle, power module is other partial power supplies.
2. The convenient intelligent lock based on Bluetooth communication as claimed in claim 1, wherein: the car lock comprises a motor lock, the motor lock is opened when being powered on and is locked when being powered off, and the mobile terminal is a mobile phone with a Bluetooth function.
3. A control method of a convenient intelligent lock based on Bluetooth communication is suitable for the convenient intelligent lock based on Bluetooth communication in claim 2, and is characterized in that: the method comprises an APP, wherein the APP registers a user through an identity card and executes the following steps in a matching manner:
B1. the APP is installed on the owner mobile phone, the APP acquires the Bluetooth name and the Bluetooth MAC address of the owner mobile phone and transmits the Bluetooth name and the Bluetooth MAC address to the server for backup,
B2. the Bluetooth name and the Bluetooth MAC address of the mobile phone of the vehicle owner are written into the micro control unit and stored as vehicle owner information,
B3. the Bluetooth module is connected with other Bluetooth devices, estimates the distance between the vehicle owner and the vehicle through signal intensity and transmits the distance information to the micro control unit,
B4. the Bluetooth module reads the MAC addresses of the other Bluetooth devices, and if the MAC addresses of the other Bluetooth devices are consistent with the owner information stored in the micro control unit, the motor lock is opened;
if the MAC addresses of the other Bluetooth devices are inconsistent with the owner information stored in the micro control unit, the motor lock is kept locked,
B5. the GPS module detects the motion state of the vehicle and transmits the motion state of the vehicle to the micro-control unit, the motion state of the vehicle is divided into driving and parking,
if the vehicle motion state is parking, when a mobile phone of a vehicle owner is disconnected with the Bluetooth module or when the distance information estimated by the Bluetooth module exceeds D2, the micro control unit disconnects the motor lock and vehicle power supply through the VCU of the vehicle controller, and the motor lock is changed from being unlocked to being locked;
and if the vehicle motion state is driving, the motor lock is kept open.
4. The control method of the convenient intelligent lock based on the Bluetooth communication as claimed in claim 3, wherein: when the step B4 is executed, the Bluetooth module is in frequencyfSearching nearby Bluetooth equipment and connecting the Bluetooth equipment with the name and the MAC address consistent with the information of the vehicle owner, wherein when the Bluetooth is started by the mobile phone of the vehicle owner and the mobile phone of the vehicle owner approaches to a distance D1, the micro control unit controls the motor lock and the vehicle to be powered on through the VCU of the vehicle controller, and the motor lock is changed from being locked to being unlocked;
when the mobile phone of the vehicle owner is not connected with the Bluetooth module or the distance between the vehicle owner and the vehicle is larger than or equal to the distance D1, the motor lock is kept locked.
5. The control method of the convenient intelligent lock based on the Bluetooth communication as claimed in claim 3, wherein: when the step B4 is executed, the convenient intelligent lock based on Bluetooth communication comprises a start button, the start button is installed on the outer surface of the vehicle, after the start button is pressed, the micro control unit controls the Bluetooth module to start searching nearby Bluetooth devices and read names and MAC addresses of the nearby Bluetooth devices, the process duration of searching the nearby Bluetooth devices is T1, if the Bluetooth module completes connection with the Bluetooth device with the name and MAC address consistent with the owner information in T1, the micro control unit controls the motor lock and the vehicle to be powered on through the VCU of the vehicle controller, the motor lock is changed from locking to unlocking,
if the Bluetooth module is not connected with the Bluetooth device with the name and the MAC address consistent with the owner information in T1, the motor lock is kept locked, and the Bluetooth module stops searching and enters a standby state.
6. The control method of the convenient intelligent lock based on the Bluetooth communication as claimed in claim 3, wherein: the micro control unit can store a plurality of groups of owner information.
7. The control method of the convenient intelligent lock based on the Bluetooth communication as claimed in claim 3, wherein: the owner information is written into the micro control unit through the Bluetooth module or the GPRS module after the user completes identity authentication in a ciphertext mode.
8. The control method of the convenient intelligent lock based on the Bluetooth communication as claimed in claim 6, wherein: when a certain group of owner information needs to be deleted, the following steps are executed
B5. The server sends a deleting command and the owner information needing to be deleted to the micro control unit through the GPRS module, and the micro control unit deletes the received owner information needing to be deleted.
9. The control method of the convenient intelligent lock based on the Bluetooth communication as claimed in claim 3, wherein: the step B1 further comprises the following steps
B11 the APP uploads the Bluetooth name and the Bluetooth MAC address of the user mobile phone to the server in a period T, the server receives the Bluetooth name and the Bluetooth MAC address of the user mobile phone uploaded by the APP and then updates the information, and the user is reminded through short messages.
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| CN202010725349.7A CN112330851A (en) | 2020-07-24 | 2020-07-24 | Convenient intelligent lock based on Bluetooth communication and control method thereof |
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| CN202010725349.7A CN112330851A (en) | 2020-07-24 | 2020-07-24 | Convenient intelligent lock based on Bluetooth communication and control method thereof |
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| CN113053001A (en) * | 2021-03-31 | 2021-06-29 | 雅迪科技集团有限公司 | Electric vehicle Bluetooth unlocking system and method and power-on and power-off method using knob lock |
| CN113246907A (en) * | 2021-04-08 | 2021-08-13 | 石爪兽(徐州)软件科技有限公司 | Control method and device for controlling electric vehicle |
| CN113838234A (en) * | 2021-09-27 | 2021-12-24 | 天津住美信息技术有限公司 | Intelligent access control method and system based on wireless communication |
| CN114677789A (en) * | 2022-03-24 | 2022-06-28 | 北京金和网络股份有限公司 | Special vehicle management system |
| CN117133069A (en) * | 2023-07-25 | 2023-11-28 | 航粤智能电气股份有限公司 | Temporary electric box control method based on Bluetooth lock |
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