CN112664065A - Passive intelligent lock, intelligent lock system and intelligent lock control method - Google Patents
Passive intelligent lock, intelligent lock system and intelligent lock control method Download PDFInfo
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- CN112664065A CN112664065A CN202011638513.7A CN202011638513A CN112664065A CN 112664065 A CN112664065 A CN 112664065A CN 202011638513 A CN202011638513 A CN 202011638513A CN 112664065 A CN112664065 A CN 112664065A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 7
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Abstract
The invention discloses a passive intelligent lock, an intelligent lock system and an intelligent lock control method, wherein the passive intelligent lock comprises the following components: the lock comprises a lock body, and a circuit board, a control unit, an NFC antenna, a driving mechanism, an actuating mechanism and a monitoring unit which are arranged in the lock body; one end of the NFC antenna is arranged on the surface of the lock body, and one end of the NFC antenna is connected with the circuit board; the control unit is arranged on the circuit board; the driving mechanism is respectively connected with the control unit and the actuating mechanism; the monitoring unit is arranged below the executing mechanism close to the tail end and is connected with the control unit. The invention provides a passive intelligent lock, which realizes the unlocking function of the intelligent lock by arranging an NFC antenna in a lock body to receive radio frequency energy sent by the outside, does not need to arrange a battery or a power supply interface in a lockset, and can effectively reduce the complexity of the lockset structure so as to improve the reliability and the safety of the lockset.
Description
Technical Field
The invention relates to the technical field of intelligent locks, in particular to a passive intelligent lock, an intelligent lock system and an intelligent lock control method.
Background
With the wide application of the internet technology, the intelligent sensor technology and the wireless transmission technology are also more and more widely applied, and today with the high-speed development of science and technology, the intelligent electronic lock applied to the intelligent sensor technology and the wireless transmission technology is more and more popular and plays a great role in various fields. The existing intelligent lock adopts a battery arranged inside the lock or provides electric energy required by unlocking through an external power supply to realize unlocking, and monitors the switch state of the lock through a plurality of position sensors, but the lock structure of the existing intelligent lock is too complex, so that the later maintenance difficulty of the lock is large.
Disclosure of Invention
The invention provides a passive intelligent lock, an intelligent lock system and an intelligent lock control method, and aims to solve the technical problem that later maintenance difficulty of a lock is high due to the fact that the lock structure of an existing intelligent lock is too complex.
A first embodiment of the present invention provides a passive smart lock, including:
the lock comprises a lock body, and a circuit board, a control unit, an NFC antenna, a driving mechanism, an actuating mechanism and a monitoring unit which are arranged in the lock body;
one end of the NFC antenna is arranged on the surface of the lock body, and one end of the NFC antenna is connected with the circuit board;
the control unit is arranged on the circuit board; the driving mechanism is respectively connected with the control unit and the actuating mechanism; the monitoring unit is arranged below the executing mechanism close to the tail end and connected with the control unit.
Further, actuating mechanism includes pressure spring, locking lever and locking buckle, the locking buckle sets up on the inner wall of lock body, pressure spring's one end and actuating mechanism are connected, pressure spring's the other end with the locking lever is connected, be provided with on the locking lever and be used for the recess of locking buckle motion.
Further, the intelligent lock further comprises a safety chip, and the safety chip is arranged on the circuit board.
Furthermore, the NFC antenna comprises a coil wound by a metal wire and a protective cover plate arranged on the upper portion of the coil.
Further, the driving mechanism is one of an ultra-low power consumption motor or an electromagnetic valve.
Further, the monitoring unit comprises at least one hall sensing element.
A second embodiment of the present invention provides a passive smart lock system, including a mobile device, a server, and the passive smart lock as described above;
the mobile device is provided with an NFC chip and is connected with the passive intelligent lock and the server respectively.
A third embodiment of the present invention provides a passive intelligent lock control method, which is applicable to the passive intelligent lock system, and includes:
receiving a radio frequency energy signal sent by the mobile equipment, and controlling the NFC antenna to automatically acquire starting energy according to the radio frequency energy signal;
and after detecting that the starting energy reaches a preset threshold value, controlling the driving mechanism to drive the executing mechanism to execute an unlocking action, generating an unlocking completion signal after the executing mechanism completes the unlocking action, and sending the unlocking completion signal to the mobile equipment.
Further, the receiving a radio frequency energy signal sent by the mobile device, and controlling the NFC antenna to automatically acquire start energy according to the radio frequency energy signal, further includes:
and the server verifies the legality of the mobile equipment according to the unlocking request signal sent by the mobile equipment, and after the verification is passed, the mobile equipment sends a radio frequency energy signal to the control unit.
Further, the verifying the validity of the mobile device by the server according to the unlocking request signal sent by the mobile device specifically includes:
generating a random number according to an SMI algorithm, sending the random number to the mobile equipment, enabling the mobile equipment to carry out secret processing on the random number to obtain corresponding encryption information, and sending the encryption information to the server;
receiving the encrypted information, decrypting the encrypted information to obtain decrypted information, and judging whether the decrypted information is consistent with the random number or not;
and after judging that the decryption information is consistent with the random number, judging that the mobile equipment is legal, generating a legality detection passing signal and sending the legality detection passing signal to the control unit.
The embodiment of the invention can effectively reduce the complexity of the lock structure, thereby reducing the later maintenance difficulty of the lock, and the embodiment of the invention monitors the unlocking structure of the lock by arranging the Hall sensing element, thereby not only reducing the complexity of the lock structure, but also effectively improving the accuracy and reliability of monitoring.
Drawings
Fig. 1 is a schematic structural diagram of a passive intelligent lock provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a passive smart lock system according to an embodiment of the present invention.
Fig. 3 is a schematic flow chart of a passive intelligent lock control method according to an embodiment of the present invention.
Wherein the drawings in the attached drawings of the specification are marked as follows:
1. a lock body; 11. an NFC antenna; 12. a control unit; 13. a monitoring unit; 14. an actuator; 15 a drive mechanism; 2. a mobile device; 21. an NFC chip; 3. and (4) a server.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1-2, a first embodiment of the present invention provides a passive smart lock as shown in fig. 1, including:
the lock comprises a lock body 1, and a circuit board, a control unit 12, an NFC antenna 11, a driving mechanism 15, an actuating mechanism 14 and a monitoring unit 13 which are arranged inside the lock body 1;
one end of the NFC antenna 11 is arranged on the surface of the lock body, and one end of the NFC antenna 11 is connected with the circuit board;
the control unit 12 is disposed on the circuit board; the driving mechanism 15 is respectively connected with the control unit 12 and the actuating mechanism 14; the monitoring unit 13 is arranged below the actuator 14 close to the tail end, and the monitoring unit 13 is connected with the control unit 12.
The end of the actuator is the end of the actuator near the door. In the embodiment of the invention, the circuit board is fixed inside the smart lock through a structural member, one end of the NFC antenna 11 is welded on the circuit board, and the other end is arranged on the surface of the lock body 1 to receive the radio frequency energy and the NFC data sent by the mobile device 2. The NFC antenna 11 is electrically connected with the control unit 12, after the NFC antenna 11 receives radio frequency energy sent by the mobile device 2, the radio frequency energy is lifted through a charge pump arranged inside the intelligent lock, and after the radio frequency energy reaches a preset threshold value, the driving mechanism 15 is controlled to drive the executing mechanism 14 to complete unlocking. In one particular embodiment, the drive mechanism 15 comprises an ultra-low power motor or solenoid valve disposed on a circuit board.
The monitoring unit 13 is used for monitoring the on-off state of the intelligent lock, the monitoring unit 13 comprises at least one Hall sensing element, the Hall sensing element is arranged below the executing mechanism 14 close to the tail end, whether the executing mechanism 14 completes the unlocking action or not is judged by detecting the strength of the surrounding magnetic field at the position, and the monitoring information is fed back to the control unit 12, so that the on-off state of the intelligent lock can be accurately monitored.
In the embodiment of the invention, the NFC antenna arranged in the lock body 1 is used for receiving the radio frequency energy sent by the mobile equipment 2, and after the received radio frequency energy reaches the preset threshold value, the control unit 12 starts to work, and the unlocking function is realized by controlling the rotation and the stop of the driving mechanism 15. According to the embodiment of the invention, the NFC antenna 11 receives energy and supplies power instantly to realize an unlocking function, and a battery is not required to be arranged in the lock body 1, so that not only can the complexity and cost of the lock be reduced, but also the maintenance difficulty of the lock can be effectively reduced, and the reliability of the lock can be improved.
As a specific implementation manner of the embodiment of the present invention, the actuator 14 includes a pressure spring, a lock rod and a lock buckle, the lock buckle is disposed on the inner wall of the lock body 1, one end of the pressure spring is connected to the output end of the driving mechanism 15, the other end of the pressure spring is connected to the lock rod, and a groove for movement of the lock buckle is disposed on the lock rod.
In an embodiment of the present invention, a locking catch is used to limit the position of the locking bar. Specifically, be provided with the recess of predetermineeing length on the locking lever, when the locking lever unblanked or the unblock, through setting up the locking buckle on 1 inner walls of lock body on the recess motion to inject the flexible length scope of locking lever, can effectively prevent that the locking lever from excessively extending when closing the lock, the condition of the excessive shrink of locking lever takes place when unblanking, thereby is favorable to improving the rationality between the tool to lock inner structure, can effectively improve the reliability and the security of tool to lock.
As a specific implementation manner of the embodiment of the present invention, the smart lock further includes a security chip, and the security chip is disposed on the circuit board.
In the embodiment of the invention, the security chip is internally provided with the independent processor and storage unit which can store the key and the characteristic data, when the mobile device 2 interacts with the intelligent lock, the interaction data is encrypted through the security chip, and the key is stored in the storage unit of the security chip, so that the stolen data cannot be decrypted, and the security and the reliability of the intelligent lock can be effectively improved.
As a specific implementation manner of the embodiment of the present invention, the NFC antenna 11 includes a coil wound by a metal wire, and a protective cover plate disposed on an upper portion of the coil.
In the embodiment of the present invention, the NFC antenna 11 communicates with the mobile device 2 having the NFC chip 21, and obtains the energy required by the operation of the driving mechanism 15 through the NFC signal electromagnetic field generated by the coil, without arranging a power supply device inside the lock. As a specific embodiment, a ferrite magnetic material is attached to the lower part of the coil.
In the embodiment of the invention, the NFC antenna arranged in the lock body 1 is used for receiving the radio frequency energy sent by the mobile equipment 2, and after the received radio frequency energy reaches the preset threshold value, the control unit 12 starts to work, and the unlocking function is realized by controlling the rotation and the stop of the driving mechanism 15. According to the embodiment of the invention, the NFC antenna 11 receives energy and supplies power instantly to realize an unlocking function, and a battery is not required to be arranged in the lock body 1, so that not only can the complexity and cost of the lock be reduced, but also the maintenance difficulty of the lock can be effectively reduced, and the reliability of the lock can be improved.
Referring to fig. 2, a second embodiment of the present invention provides a passive smart lock system, which includes a mobile device 2, a server 3, and the passive smart lock;
the mobile device 2 is provided with an NFC chip 21, and the mobile device 2 is connected with the passive smart lock and the server 3, respectively.
Specifically, the server 3 is configured to detect the validity of the identity of the mobile device 2, so as to improve the reliability of the passive intelligent lock system, and is further configured to store the locking/unlocking state of the passive intelligent lock, thereby implementing real-time monitoring of the state of the passive intelligent lock.
In the embodiment of the invention, the NFC antenna 11 is used for receiving the radio frequency energy of the mobile device 2 with the built-in NFC chip 21 and sending the voltage corresponding to the radio frequency energy to the voltage stabilizer, the voltage stabilizer sends the voltage to the power circuit in the lock body 1, when the voltage reaches the starting voltage of the control unit 12, the control unit 12 starts to work and controls the driving mechanism 15 to drive the actuating mechanism 14 to unlock, a battery or a power supply interface is not required to be arranged in the lock, the complexity of the internal structure of the lock can be effectively reduced, the safety and the reliability of the lock can be effectively improved, and the maintenance difficulty of the lock can be reduced.
A third embodiment of the present invention provides a passive intelligent lock control method, which is applicable to the passive intelligent lock system, and includes:
s1, receiving the radio frequency energy signal sent by the mobile device 2, and controlling the NFC antenna 11 to automatically acquire starting energy according to the radio frequency energy signal;
and S2, after the starting energy is detected to reach the preset threshold value, controlling the driving mechanism 15 to drive the actuating mechanism 14 to unlock, generating an unlocking completion signal after the actuating mechanism 14 completes the unlocking action, and sending the unlocking completion signal to the mobile device 2.
In the embodiment of the invention, the NFC antenna 11 is used for receiving the radio frequency energy of the mobile device 2 with the built-in NFC chip 21 and sending the voltage corresponding to the radio frequency energy to the voltage stabilizer, the voltage stabilizer sends the voltage to the power circuit in the lock body 1, when the voltage reaches the starting voltage of the control unit 12, the control unit 12 starts to work and controls the driving mechanism 15 to drive the actuating mechanism 14 to unlock, a battery or a power supply interface is not required to be arranged in the lock, the complexity of the internal structure of the lock can be effectively reduced, the safety and the reliability of the lock can be effectively improved, and the maintenance difficulty of the lock can be reduced.
As a specific implementation manner of the embodiment of the present invention, receiving a radio frequency energy signal sent by the mobile device 2, and controlling the NFC antenna 11 to automatically acquire the start energy according to the radio frequency energy signal further includes:
the server 3 verifies the validity of the mobile device 2 according to the unlocking request signal sent by the mobile device 2, and after the verification is passed, the mobile device 2 sends a radio frequency energy signal to the control unit 12.
As a specific implementation manner of the embodiment of the present invention, the server 3 verifies the validity of the mobile device 2 according to the unlocking request signal sent by the mobile device 2, specifically:
generating a random number according to an SMI algorithm, sending the random number to the mobile equipment 2, enabling the mobile equipment 2 to carry out secret processing on the random number to obtain corresponding encryption information, and sending the encryption information to the server 3;
receiving the encrypted information, decrypting the encrypted information to obtain decrypted information, and judging whether the decrypted information is consistent with the random number or not;
after judging that the decryption information is consistent with the random number, the mobile device 2 is judged to be legal, and a validity detection passing signal is generated and sent to the control unit 12.
In the embodiment of the invention, the symmetric key of the SMI algorithm is adopted to carry out identity authentication on the mobile equipment 2, the legality of the mobile equipment 2 is ensured, after the identity of the mobile equipment 2 is judged to be legal, the session connection between the mobile equipment 2 and the server 3 is established, so that the service data transmission before the mobile equipment 2 and the server 3 is realized, and the specific key is adopted to carry out encryption processing on the data in the transmission process, so that the situation that the illegal mobile equipment 2 unlocks a lock in a system is avoided, and the safety and the reliability of unlocking can be effectively improved.
The foregoing is a preferred embodiment of the present invention, and it should be noted that it would be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are also considered to be within the scope of the invention.
Claims (9)
1. A passive smart lock, comprising:
the lock comprises a lock body, and a circuit board, a control unit, an NFC antenna, a driving mechanism, an actuating mechanism and a monitoring unit which are arranged in the lock body;
one end of the NFC antenna is arranged on the surface of the lock body, and the other end of the NFC antenna is welded on the circuit board;
the control unit is arranged on the circuit board; the driving mechanism is respectively connected with the control unit and the actuating mechanism; the monitoring unit is arranged below the executing mechanism close to the tail end and connected with the control unit.
2. The passive smart lock of claim 1, further comprising a security chip disposed on the circuit board.
3. The passive smart lock of claim 1, wherein the NFC antenna comprises a coil wound from a metal wire, and a protective cover disposed over the coil.
4. The passive smart lock of claim 1 wherein the drive mechanism is one of a motor or a solenoid valve.
5. The passive smart lock of claim 1 wherein the monitoring unit comprises at least one hall sensing element.
6. A passive smart lock system comprising a mobile device, a server, and a passive smart lock according to any of claims 1-5;
the mobile device is provided with an NFC chip and is connected with the passive intelligent lock and the server respectively.
7. A passive smart lock control method adapted to the passive smart lock system of claim 6, comprising:
receiving a radio frequency energy signal sent by the mobile equipment, and controlling the NFC antenna to automatically acquire starting energy according to the radio frequency energy signal;
and after detecting that the starting energy reaches a preset threshold value, controlling the driving mechanism to drive the executing mechanism to execute an unlocking action, generating an unlocking completion signal after the executing mechanism completes the unlocking action, and sending the unlocking completion signal to the mobile equipment.
8. The passive intelligent lock control method according to claim 7, wherein the receiving a radio frequency energy signal sent by the mobile device and controlling the NFC antenna to automatically obtain the activation energy according to the radio frequency energy signal further comprises:
and the server verifies the legality of the mobile equipment according to the unlocking request signal sent by the mobile equipment, and after the verification is passed, the mobile equipment sends a radio frequency energy signal to the control unit.
9. The passive intelligent lock control method according to claim 8, wherein the server verifies the validity of the mobile device according to the unlocking request signal sent by the mobile device, specifically:
generating a random number according to an SMI algorithm, sending the random number to the mobile equipment, enabling the mobile equipment to carry out secret processing on the random number to obtain corresponding encryption information, and sending the encryption information to the server;
receiving the encrypted information, decrypting the encrypted information to obtain decrypted information, and judging whether the decrypted information is consistent with the random number or not;
and after judging that the decryption information is consistent with the random number, judging that the mobile equipment is legal, generating a legality detection passing signal and sending the legality detection passing signal to the control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011638513.7A CN112664065A (en) | 2020-12-31 | 2020-12-31 | Passive intelligent lock, intelligent lock system and intelligent lock control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011638513.7A CN112664065A (en) | 2020-12-31 | 2020-12-31 | Passive intelligent lock, intelligent lock system and intelligent lock control method |
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| CN112664065A true CN112664065A (en) | 2021-04-16 |
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| CN202011638513.7A Pending CN112664065A (en) | 2020-12-31 | 2020-12-31 | Passive intelligent lock, intelligent lock system and intelligent lock control method |
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| CN107798759A (en) * | 2017-11-20 | 2018-03-13 | 美的智慧家居科技有限公司 | Door lock door opening method, door lock and computer-readable recording medium |
| WO2019174170A1 (en) * | 2018-03-15 | 2019-09-19 | Beijing Didi Infinity Technology And Development Co., Ltd. | Systems and methods for controlling an intelligent lock |
| DE102018106410A1 (en) * | 2018-03-19 | 2019-09-19 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg | Control arrangement for a motor vehicle door |
| CN110533803A (en) * | 2019-07-19 | 2019-12-03 | 宁波生久柜锁有限公司 | The passive intelligent electronic lock of electricity is taken based on NFC electromagnetic field |
| CN211115240U (en) * | 2019-10-22 | 2020-07-28 | 深圳市卓豪智能电器发展有限公司 | Bluetooth intelligence lock |
| CN111754659A (en) * | 2020-07-06 | 2020-10-09 | 北京智芯微电子科技有限公司 | Safe intelligent lock based on NFC energy taking |
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2020
- 2020-12-31 CN CN202011638513.7A patent/CN112664065A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107798759A (en) * | 2017-11-20 | 2018-03-13 | 美的智慧家居科技有限公司 | Door lock door opening method, door lock and computer-readable recording medium |
| WO2019174170A1 (en) * | 2018-03-15 | 2019-09-19 | Beijing Didi Infinity Technology And Development Co., Ltd. | Systems and methods for controlling an intelligent lock |
| DE102018106410A1 (en) * | 2018-03-19 | 2019-09-19 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg | Control arrangement for a motor vehicle door |
| CN110533803A (en) * | 2019-07-19 | 2019-12-03 | 宁波生久柜锁有限公司 | The passive intelligent electronic lock of electricity is taken based on NFC electromagnetic field |
| CN211115240U (en) * | 2019-10-22 | 2020-07-28 | 深圳市卓豪智能电器发展有限公司 | Bluetooth intelligence lock |
| CN111754659A (en) * | 2020-07-06 | 2020-10-09 | 北京智芯微电子科技有限公司 | Safe intelligent lock based on NFC energy taking |
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