CN113611016A - Bluetooth unlocking method, anti-theft lock and anti-theft door - Google Patents
Bluetooth unlocking method, anti-theft lock and anti-theft door Download PDFInfo
- Publication number
- CN113611016A CN113611016A CN202110870937.4A CN202110870937A CN113611016A CN 113611016 A CN113611016 A CN 113611016A CN 202110870937 A CN202110870937 A CN 202110870937A CN 113611016 A CN113611016 A CN 113611016A
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- China
- Prior art keywords
- door
- bluetooth
- signal
- unlocking
- user
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Classifications
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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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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/11—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against burglary
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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
- G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
Abstract
The invention discloses a Bluetooth unlocking method, which comprises the following procedures: searching a Bluetooth signal in a signal radiation range; analyzing whether the searched Bluetooth signal is approaching the security door; if the Bluetooth signal is approaching the security door, judging whether the unlocking condition is met according to the Bluetooth signal and the door lock state; if the unlocking condition is met, an unlocking instruction is sent to the lock body control device, so that the anti-theft door is unlocked. According to the Bluetooth unlocking method provided by the invention, a user only needs to carry a mobile phone, a tablet or other mobile equipment to open the Bluetooth without opening an APP, and the user can unlock and open the security door without contacting the security door by approaching the door body in an induction area, so that the unlocking process is simplified, and the purpose that the user can unlock the security door after picking out the mobile equipment is avoided; the intelligent anti-theft lock can be applied to household anti-theft doors and industrial doors, and has wide market prospect.
Description
Technical Field
The invention belongs to the technical field of Bluetooth unlocking antitheft doors, and particularly relates to a Bluetooth unlocking method, an antitheft lock and an antitheft door.
Background
The intelligent home is a product combining modern electronic technology, automation technology and communication technology. The household appliance monitoring and alarming system can automatically control and manage household appliances, monitor and alarm the safety of the household environment, and provide safe, comfortable, efficient and convenient learning, living and working environments for residents. Compared with the traditional home, the intelligent home has the traditional living function, and an intelligent concept is provided by using the internet of things technology on the basis, so that the life style of people is optimized, and the work efficiency of people is improved.
In the middle of people's life work has been used more and more to intelligent product, opening door of present intelligent lock is mostly by the fingerprint, the password, modes such as card, also have the mode through bluetooth unblock, its principle generally does, when the people is close to the burglary-resisting door, through pressing the fingerprint, input password, perhaps open modes such as mobile device's APP and unblock, whole process is more loaded down with trivial details, the user need draw out just can realize above-mentioned purpose after the mobile device operation, there may be the condition such as unable discernment in operation identification process, sometimes the user then inconveniently uses mobile device when having other objects on hand.
Aiming at the existing problems, the technical problem to be solved urgently in the industry is to develop a solution for unlocking the anti-theft door based on the Bluetooth in a non-contact way.
Disclosure of Invention
The invention provides a Bluetooth unlocking method, an anti-theft lock and an anti-theft door, and aims to solve the problems that when most of intelligent locks are opened, a user needs to draw out a mobile device for operation and then can open the door, when the user has other objects in hand, the user is inconvenient to open the door by using the mobile device, and the door opening process is complicated. The door unlocking device has the advantages of simple door opening process and capability of unlocking without drawing out the mobile equipment by a user.
In order to solve the technical problems, the invention adopts the following technical scheme:
a Bluetooth unlocking method comprises the following procedures:
searching a Bluetooth signal in a signal radiation range;
analyzing whether the searched Bluetooth signal is approaching the security door;
if the Bluetooth signal is approaching the security door, judging whether unlocking conditions are met according to the Bluetooth signal and the door lock state;
if the unlocking condition is met, an unlocking instruction is sent to the lock body control device, so that the anti-theft door is unlocked.
In the embodiment, a user carries a mobile phone, a tablet or other mobile equipment to approach the security door at the beginning, the MCU in the security lock calculates the distance from the user to the security lock and searches for a Bluetooth signal in a signal radiation range; and then the anti-theft lock judges whether the door opening condition is met according to the result, if the door opening condition is met, a door opening instruction is sent to the lock body control device, and if the door opening condition is not met, the tendency and the distance from the user to the anti-theft lock are calculated again. Through such unblock mode, simplified the process of unblock, the user need not draw out mobile device just can realize unblock burglary-resisting door, and has avoided probably the condition such as unable discernment in operation process, has improved the convenience degree that the burglary-resisting door used greatly.
Further, the step of judging whether the unlocking condition is met according to the Bluetooth signal and the door lock state comprises the following steps:
identifying whether the signal intensity of the Bluetooth signal is in an outdoor near door unlocking interval or not;
identifying whether the security door is in a locked state;
identifying whether the Bluetooth signal is an unlocking authorized user;
and if the three recognition results are yes, the unlocking condition is met.
And if one of the three recognition results is negative, unlocking is not carried out. In the embodiment, a proper Bluetooth signal interval is determined according to the distance from a user to the security door, the signal interval is written into the MCU, the MCU identifies whether the security door belongs to a preset range or not through a Bluetooth signal value acquired by the Bluetooth module, and meanwhile, whether the security door is in a locked state or not is judged according to the door state sensor, and whether the mobile device of the user is a registered and authorized user or not is judged.
Furthermore, the unlocking interval of the door outside and near the door is between-50 dbm and-40 dbm in signal intensity. Within the range, the distance from the user to the security door is short, the user can see the security door within a visual range, and the user is further away from the security door.
Further, the Bluetooth unlocking method further comprises the step of authorizing with the user mobile device in advance:
establishing a link with a user mobile device;
sending an authorization request to the user mobile device;
and if an authorization approval instruction fed back by the user mobile equipment is received, registering the user mobile equipment as an unlocking authorized user. In this step, the MCU sends an authorization request to the user mobile device, the user authorizes the mobile device, and finally, the authorized user mobile device is registered and unlocked.
Further, registering the user mobile device as an unlocking authorized user includes:
identifying whether the user mobile device is a new device;
if the user mobile equipment is new equipment, sending a pairing password to the user mobile equipment;
after receiving a correct pairing password, registering the user mobile equipment as an unlocking authorized user;
and if the user mobile equipment is not the new equipment, registering the user mobile equipment as an unlocking authorized user.
Further, the step of analyzing whether the searched bluetooth signal is approaching the security door comprises:
establishing a link with the searched Bluetooth signal;
in an identification period, identifying whether the signal intensity of the Bluetooth signal is enhanced or whether the signal value of the Bluetooth signal is reduced;
and if the signal intensity of the Bluetooth signal is enhanced or the signal value of the Bluetooth signal is reduced, the Bluetooth signal approaches the security door.
If the signal strength is weakening or the signal value of the bluetooth signal is increasing, it represents that the mobile device of the user is far away from the security door.
Further, the signal strength is changed by-90 dbm to-60 dbm when the signal strength of the Bluetooth signal is increased or not is identified. -90dbm to-60 dbm are values of signal strength.
The invention also requests to protect a Bluetooth anti-theft lock, which comprises:
the Bluetooth module is used for establishing Bluetooth communication;
the MCU is used for executing any one of the Bluetooth unlocking methods;
the lock body control device is used for controlling the lock body to be locked and unlocked;
the door state sensor is used for identifying whether the lock body is in a locked state;
the Bluetooth module, the lock body control device and the door state sensor are respectively and electrically connected with the MCU.
Bluetooth module, lock body controlling means, door state sensor and MCU all are current electrical components, and the no longer repeated here, MCU can select ST17H30 QFN20pin BLE4.0 chip.
Further, the antenna of the bluetooth module is a directional antenna facing the outside of the door. Thereby making the signal outside the door stronger than the signal inside the door.
The invention further provides a security door, which comprises a door body, wherein any one of the Bluetooth security locks is installed on the door body, and a signal isolation plate is further arranged between one side of the door body, which is close to the inside of the door, and the directional antenna. The signal division board adopts steel plate structure, and the signal division board is used for shielding the bluetooth signal in the door for the user only can be when being close the bluetooth pickproof lock outdoors, just can the unblock. The signal isolation board is used for shielding Bluetooth signals in the anti-theft door. When a user approaches the security door while in the room, the user is required to manually open the door to confirm the situation outside the door in view of the security problem.
Compared with the prior art, the scheme has the beneficial effects that:
according to the Bluetooth unlocking method provided by the invention, a user only needs to carry a mobile phone, a tablet or other mobile equipment to open the Bluetooth without opening an APP, and the user can unlock and open the security door without contacting the security door by approaching the door body in an induction area, so that the unlocking process is simplified, and the purpose that the user can unlock the security door after picking out the mobile equipment is avoided;
drawings
FIG. 1 is a flowchart of a Bluetooth unlocking method of the present invention;
FIG. 2 is a flowchart illustrating a Bluetooth device pre-authorization process with a user in a Bluetooth unlocking method;
fig. 3 is a flowchart illustrating a bluetooth device of a user being registered as an unlocking authorized user in the bluetooth unlocking method;
fig. 4 is a flowchart for analyzing whether the searched bluetooth signal is approaching the security door.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In order to solve the technical problems, the invention adopts the following technical scheme:
a bluetooth unlocking method, as shown in fig. 1, includes the following steps:
s100, searching a Bluetooth signal in a signal radiation range;
s200, analyzing whether the searched Bluetooth signal is approaching the security door or not;
s300, if the Bluetooth signal is approaching the security door, judging whether unlocking conditions are met according to the Bluetooth signal and the door lock state;
s400, if the unlocking condition is met, an unlocking instruction is sent to the lock body control device, so that the anti-theft door is unlocked.
In the embodiment, a user carries a mobile phone, a tablet or other mobile equipment to approach the security door at the beginning, the MCU in the security lock calculates the distance from the user to the security lock and searches for a Bluetooth signal in a signal radiation range; and then the anti-theft lock judges whether the door opening condition is met according to the result, if the door opening condition is met, a door opening instruction is sent to the lock body control device, and if the door opening condition is not met, the tendency and the distance from the user to the anti-theft lock are calculated again. Through such unblock mode, simplified the process of unblock, the user need not draw out mobile device just can realize unblock burglary-resisting door, and has avoided probably the condition such as unable discernment in operation process, has improved the convenience degree that the burglary-resisting door used greatly.
Further, the step of judging whether the unlocking condition is met according to the Bluetooth signal and the door lock state comprises the following steps:
s301, identifying whether the signal intensity of the Bluetooth signal is in an unlocking interval of the door outside the door and near the door;
s302, identifying whether the security door is in a locking state;
s303, identifying whether the Bluetooth signal is an unlocking authorized user;
and if the three recognition results are yes, the unlocking condition is met.
And if one of the three recognition results is negative, unlocking is not carried out. In the embodiment, a proper Bluetooth signal interval is determined according to the distance from a user to the security door, the signal interval is written into the MCU, the MCU identifies whether the security door belongs to a preset range or not through a Bluetooth signal value acquired by the Bluetooth module, and meanwhile, whether the security door is in a locked state or not is judged according to the door state sensor, and whether the mobile device of the user is a registered and authorized user or not is judged.
Furthermore, the unlocking interval of the door outside and near the door is between-50 dbm and-40 dbm in signal intensity. Within the range, the distance from the user to the security door is short, the user can see the security door within a visual range, and the user is further away from the security door.
Further, as shown in fig. 2, a bluetooth unlocking method further includes the step of authorizing with the user mobile device in advance:
s501, establishing a link with user mobile equipment;
s502, sending an authorization request to the user mobile equipment;
s503, if an authorization approval instruction fed back by the user mobile equipment is received, registering the user mobile equipment as an unlocking authorized user.
In this step, the MCU sends an authorization request to the user mobile device, the user authorizes the mobile device, and finally, the authorized user mobile device is registered and unlocked.
Further, as shown in fig. 3, the step of registering the user mobile device as an unlocking authorized user includes:
s313, identifying whether the user mobile equipment is new equipment;
s323, if the user mobile equipment is new equipment, sending a pairing password to the user mobile equipment;
s333, after receiving a correct pairing password, registering the user mobile equipment as an unlocking authorized user;
and S343, if the user mobile equipment is not new equipment, registering the user mobile equipment as an unlocking authorized user.
Further, as shown in fig. 4, the step of analyzing whether the searched bluetooth signal is approaching the security door includes:
s201, establishing a link with the searched Bluetooth signal;
s202, in an identification period, identifying whether the signal intensity of the Bluetooth signal is enhanced or whether the signal value of the Bluetooth signal is reduced;
s203, if the signal intensity of the Bluetooth signal is enhanced or the signal value of the Bluetooth signal is reduced, the Bluetooth signal approaches the security door.
If the signal strength is weakening or the signal value of the bluetooth signal is increasing, it represents that the mobile device of the user is far away from the security door.
Further, the signal strength is changed by-90 dbm to-60 dbm when the signal strength of the Bluetooth signal is increased or not is identified. -90dbm to-60 dbm are values of signal strength.
In the experimental process of the inventor, when the distance between the mobile phone and the security door is about 10 meters, the value of a broadcast signal received by the entrance door equipment is-90 dbm, and the MCU judges whether a signal source enters a radiation range or not; the mobile phone of the user continuously approaches the security door until the mobile phone is 5 meters away from the security door, the signal value is changed to-60 dbm to-70 dbm, the MCU can judge that the mobile phone approaches the entrance door through the change of the signal value from-90 dbm to-60 dbm, when the mobile phone of the user continuously approaches the door body, the signal value is changed to-40 dbm to-50 dbm, and the user is about 2 meters away from the security door, so that the distance between the user and the door can be identified through the signal value, when the signal value is-90 dbm, the user is 10 meters away from the door, the MCU starts working, when the signal value is-60 dbm to-70 dbm, the user is 5 meters away from the door, whether the user approaches the door can be judged, but the user does not need to be unlocked in advance for safety, only when the signal value reaches-40 dbm to-50 dbm, the user approaches the door within 2 meters, the user is unlocked, and the MCU executes the following steps of judging whether the door is in a closed state or not, judging whether the door is authorized or not, and sending an unlocking command if the conditions are met.
The invention also requests to protect a Bluetooth anti-theft lock, which comprises:
the Bluetooth module is used for establishing Bluetooth communication;
the MCU is used for executing any one of the Bluetooth unlocking methods;
the lock body control device is used for controlling the lock body to be locked and unlocked;
the door state sensor is used for identifying whether the lock body is in a locked state;
the Bluetooth module, the lock body control device and the door state sensor are respectively and electrically connected with the MCU.
Bluetooth module, lock body controlling means, door state sensor and MCU all are current electrical components, and the no longer repeated here, MCU can select the ST17H30 chip.
Further, the antenna of the bluetooth module is a directional antenna facing the outside of the door. Thereby making the signal outside the door stronger than the signal inside the door.
The invention further provides a security door, which comprises a door body, wherein any one of the Bluetooth security locks is installed on the door body, and a signal isolation plate is further arranged between one side of the door body, which is close to the inside of the door, and the directional antenna. The signal division board adopts steel plate structure, and the signal division board is used for shielding the bluetooth signal in the door for the user only can be when being close the bluetooth pickproof lock outdoors, just can the unblock. The signal isolation board is used for shielding Bluetooth signals in the anti-theft door. When a user approaches the security door while in the room, the user is required to manually open the door to confirm the situation outside the door in view of the security problem.
The anti-theft door is mainly applied to entrance doors with indoor and outdoor user position changes, and is different from automobile doors in that passengers in the automobile are fixed positions, so that the situation that the user needs to unlock the automobile door in the door can be naturally eliminated without judging whether the user is in the door or out of the door firstly, and the automobile door is usually locked when the user is in the automobile, so that the automobile door can be opened and closed only by judging signals in a sensing area and surrounding the door 360-degree area and considering the area outside the door.
The situation inside and outside the door needs to be distinguished firstly, when a user is close to the door body in the door, the door is not required to be opened in many times, and unlocking is not needed at the moment, so that the Bluetooth signal is weakened to a certain degree through the signal isolation plate, the change of the Bluetooth signal value cannot generate large change from-90 dbm to-60 dbm when the user is in the door, and the signal value cannot reach-40 dbm to-50 dbm even if the user is close to the door, so that the situation inside and outside the door is distinguished, and then the unlocking is analyzed according to the distance from the user to the antitheft door.
The above is only a preferred embodiment of the present invention, and it should be noted that several modifications and improvements made by those skilled in the art without departing from the technical solution should also be considered as falling within the scope of the claims.
Claims (10)
1. A Bluetooth unlocking method is characterized by comprising the following procedures:
searching a Bluetooth signal in a signal radiation range;
analyzing whether the searched Bluetooth signal is approaching the security door;
if the Bluetooth signal is approaching the security door, judging whether unlocking conditions are met according to the Bluetooth signal and the door lock state;
if the unlocking condition is met, an unlocking instruction is sent to the lock body control device, so that the anti-theft door is unlocked.
2. The bluetooth unlocking method according to claim 1, wherein the step of determining whether the unlocking condition is satisfied according to the bluetooth signal and the door lock state comprises:
identifying whether the signal intensity of the Bluetooth signal is in an outdoor near door unlocking interval or not;
identifying whether the security door is in a locked state;
identifying whether the Bluetooth signal is an unlocking authorized user;
and if the three recognition results are yes, the unlocking condition is met.
3. The bluetooth unlocking method according to claim 2, wherein the door outside and near unlocking interval is a signal strength of-50 dbm to-40 dbm.
4. The bluetooth unlocking method according to claim 2, further comprising the step of pre-authorizing with the user mobile device:
establishing a link with a user mobile device;
sending an authorization request to the user mobile device;
and if an authorization approval instruction fed back by the user mobile equipment is received, registering the user mobile equipment as an unlocking authorized user.
5. The bluetooth unlocking method according to claim 4, wherein the step of registering the user mobile device as an unlocking authorized user comprises:
identifying whether the user mobile device is a new device;
if the user mobile equipment is new equipment, sending a pairing password to the user mobile equipment;
after receiving a correct pairing password, registering the user mobile equipment as an unlocking authorized user;
and if the user mobile equipment is not the new equipment, registering the user mobile equipment as an unlocking authorized user.
6. The method of claim 1, wherein the step of analyzing whether the searched bluetooth signal is approaching the security door comprises:
establishing a link with the searched Bluetooth signal;
in an identification period, identifying whether the signal intensity of the Bluetooth signal is enhanced or whether the signal value of the Bluetooth signal is reduced;
and if the signal intensity of the Bluetooth signal is enhanced or the signal value of the Bluetooth signal is reduced, the Bluetooth signal approaches the security door.
7. The method of claim 6, wherein the signal strength varies by-90 dbm to-60 dbm when the signal strength of the Bluetooth signal is being increased.
8. A bluetooth pickproof lock, its characterized in that includes:
the Bluetooth module is used for establishing Bluetooth communication;
an MCU for performing the Bluetooth unlocking method of any one of claims 1 to 7;
the lock body control device is used for controlling the lock body to be locked and unlocked;
the door state sensor is used for identifying whether the lock body is in a locked state;
the Bluetooth module, the lock body control device and the door state sensor are respectively and electrically connected with the MCU.
9. The bluetooth lock of claim 8, wherein the antenna of the bluetooth module is a directional antenna facing the outside of the door.
10. An anti-theft door, comprising a door body, characterized in that the door body is provided with the Bluetooth anti-theft lock according to claim 9, and a signal isolation plate is further arranged between one side of the door body close to the inside of the door and the directional antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110870937.4A CN113611016A (en) | 2021-07-30 | 2021-07-30 | Bluetooth unlocking method, anti-theft lock and anti-theft door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110870937.4A CN113611016A (en) | 2021-07-30 | 2021-07-30 | Bluetooth unlocking method, anti-theft lock and anti-theft door |
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| Publication Number | Publication Date |
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| CN113611016A true CN113611016A (en) | 2021-11-05 |
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| CN202110870937.4A Pending CN113611016A (en) | 2021-07-30 | 2021-07-30 | Bluetooth unlocking method, anti-theft lock and anti-theft door |
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| US20210146884A1 (en) * | 2018-04-20 | 2021-05-20 | Byd Company Limited | Vehicle and method and apparatus for unlocking vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20200066078A1 (en) * | 2016-11-24 | 2020-02-27 | Continental Automotive Gmbh | Access device for a vehicle (as amended) |
| CN107945341A (en) * | 2017-11-30 | 2018-04-20 | 北京小米移动软件有限公司 | Intelligent door lock control method and device |
| CN110267269A (en) * | 2018-03-12 | 2019-09-20 | 中兴通讯股份有限公司 | Auth method and device, storage medium, the electronic device of mobile terminal |
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