CN215369205U - Passive intelligent lock and intelligent lock system based on NFC technology - Google Patents
Passive intelligent lock and intelligent lock system based on NFC technology Download PDFInfo
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- CN215369205U CN215369205U CN202023351020.3U CN202023351020U CN215369205U CN 215369205 U CN215369205 U CN 215369205U CN 202023351020 U CN202023351020 U CN 202023351020U CN 215369205 U CN215369205 U CN 215369205U
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Abstract
The utility model discloses a passive intelligent lock based on NFC technology, which comprises: the lock comprises a lock body, and a circuit board, a control unit, an NFC antenna, a driving mechanism, an actuating mechanism and an energy storage 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 energy storage unit is respectively connected with the control unit and the NFC antenna; the actuating mechanism comprises a pressure spring, a lock rod and a locking buckle. The utility model provides a passive intelligent lock based on an NFC technology, which realizes the unlocking function of the intelligent lock by arranging an NFC antenna in a lock body to receive radio frequency energy sent from the outside, does not need to arrange a battery in the intelligent lock, and can effectively reduce the operation and maintenance cost required by replacing the battery.
Description
Technical Field
The utility model relates to the technical field of intelligent locks, in particular to a passive intelligent lock based on an NFC technology and an intelligent lock system.
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 battery that current intelligence lock adopted the setting to provide at the inside tool to lock or through external power source and unblank required electric energy to realize unblanking, but current intelligence lock need often change the battery, leads to the fortune dimension cost of tool to lock higher.
SUMMERY OF THE UTILITY MODEL
The utility model provides a passive intelligent lock based on an NFC technology and an intelligent lock system, and aims to solve the technical problem that the operation and maintenance cost of a lockset is high due to the fact that a battery needs to be frequently replaced in an existing intelligent lock.
A first embodiment of the present invention provides a passive smart lock based on an NFC technology, including:
the lock comprises a lock body, and a circuit board, a control unit, an NFC antenna, a driving mechanism, an actuating mechanism and an energy storage 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 energy storage unit is respectively connected with the control unit and the NFC antenna;
the actuating mechanism comprises a pressure spring, a lock rod and a locking buckle, the locking buckle is arranged on the inner wall of the lock body, one end of the pressure spring is connected with the driving mechanism, the other end of the pressure spring is connected with the lock rod, and a groove used for movement of the locking buckle is formed in the lock rod.
Further, the passive intelligent lock further comprises a loudspeaker, wherein the loudspeaker is connected with the control unit, and the loudspeaker is arranged inside the lock body.
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.
A second embodiment of the present invention provides a passive smart lock system based on an NFC technology, 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 based on an NFC technology, which is applicable to the passive intelligent lock system described above, 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, after detecting that the starting energy reaches a preset threshold, controlling the driving mechanism to drive the executing mechanism to execute an unlocking action, specifically:
and after the starting energy reaches a preset threshold value, authenticating the identity of the mobile equipment by an authentication method, and after the identity authentication of the mobile equipment is passed, controlling the driving mechanism to drive the actuating mechanism to execute an unlocking action.
The utility model provides a passive intelligent lock based on an NFC technology, which realizes the unlocking function of the intelligent lock by arranging an NFC antenna in a lock body to receive radio frequency energy sent from the outside, does not need to arrange a battery in the intelligent lock, and can effectively reduce the operation and maintenance cost required by replacing the battery.
Drawings
Fig. 1 is a schematic structural diagram of a passive smart lock based on NFC technology according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a passive smart lock system based on an NFC technology according to an embodiment of the present invention.
Fig. 3 is a schematic flow chart of a passive intelligent lock control method based on an NFC technology 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. an energy storage unit; 14. an actuator; 141. a pressure spring; 142. a lock lever; 143. locking the buckle; 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 based on NFC technology 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 an energy storage unit 13 which are arranged inside the lock body 1;
particularly, the outer shell of the lock body is made of high-performance alloy materials, and the lock body has high mechanical strength and corrosion resistance, so that the safety and the reliability of the intelligent lock are improved. As a specific embodiment, the alloy material used includes stainless steel material, copper material and aluminum alloy material.
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 present invention, the energy storage unit 13 includes a super capacitor for temporarily storing electric energy, 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 disposed on the surface of the lock body 1 to receive the radio frequency energy and the NFC data transmitted 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.
In the embodiment of the utility model, 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 utility model, the NFC antenna 11 receives energy and supplies power instantly to realize an unlocking function, the energy storage unit 13 stores energy for starting the control unit 12 temporarily, the control unit 12 controls the driving mechanism 15 to rotate and stop, so that the unlocking function is realized, and a battery is not required to be arranged in the lock body 1, so that the complexity and the cost of the lock can be reduced, and the operation and maintenance cost of the lock can be effectively reduced.
As a specific implementation manner of the embodiment of the present invention, the actuator 14 includes a pressure spring 141, a lock rod 142 and a locking buckle 143, the locking buckle 143 is disposed on an inner wall of the lock body 1, one end of the pressure spring 141 is connected to an output end of the driving mechanism 15, the other end of the pressure spring 141 is connected to the lock rod 142, and a groove for movement of the locking buckle 143 is disposed on the lock rod 142.
In the embodiment of the present invention, the locking catch 143 serves to limit the position of the lock lever 142. Specifically, the locking rod 142 is provided with a groove with a preset length, when the locking rod 142 is unlocked or unlocked, the locking buckle 143 arranged on the inner wall of the lock body 1 moves on the groove, so that the telescopic length range of the locking rod 142 is limited, the locking rod 142 can be effectively prevented from excessively extending when the lock is closed, the condition that the locking rod 142 excessively contracts when the lock is unlocked occurs, the rationality between the inner structures of the lock is favorably improved, and the reliability and the safety of the lock can be effectively improved.
As a specific implementation mode, the loudspeaker is further arranged inside the passive intelligent lock, after the radio frequency energy received by the NFC antenna reaches a preset threshold value and the control unit controls the driving mechanism to drive the executing mechanism to complete unlocking, the controller generates a voice reminding instruction to control the loudspeaker to play a reminding sound to remind a user of completing unlocking, and unlocking experience of the user can be effectively improved.
As a specific implementation manner of the embodiment of the present invention, the smart lock further includes a security chip, the security chip is disposed on the circuit board, and the security chip is connected to the control unit 12.
In the embodiment of the utility model, 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 utility model, 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 utility model, the NFC antenna 11 receives energy and supplies power instantly to realize the 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 lockset be reduced, but also the operation and maintenance cost of the lockset can be effectively reduced.
Referring to fig. 2, a second embodiment of the present invention provides a passive smart lock system based on NFC technology, including 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 utility model, 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 operation and maintenance cost 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 based on an NFC technology, which is applicable to the passive intelligent lock system described above, 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 utility model, 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 operation and maintenance cost 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, after detecting that the starting energy reaches the preset threshold, the driving mechanism is controlled to drive the executing mechanism to execute the unlocking action, specifically:
and after the starting energy reaches a preset threshold value, the identity of the mobile equipment is authenticated by an authentication method, and after the identity authentication of the mobile equipment passes, the driving mechanism is controlled to drive the actuating mechanism to execute an unlocking action.
According to the embodiment of the utility model, after the starting energy reaches the preset threshold value, the identity of the mobile equipment is authenticated through the authentication method, so that the legality of the mobile equipment is further ensured, and the safety and the reliability of the intelligent lock system are further improved.
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 utility model, 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 utility model, and such modifications and enhancements are also considered to be within the scope of the utility model.
Claims (6)
1. A passive intelligent lock based on NFC technology, characterized by comprising:
the lock comprises a lock body, and a circuit board, a control unit, an NFC antenna, a driving mechanism, an actuating mechanism and an energy storage 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 energy storage unit is respectively connected with the control unit and the NFC antenna;
the actuating mechanism comprises a pressure spring, a lock rod and a locking buckle, the locking buckle is arranged on the inner wall of the lock body, one end of the pressure spring is connected with the driving mechanism, the other end of the pressure spring is connected with the lock rod, and a groove used for movement of the locking buckle is formed in the lock rod.
2. The NFC technology based passive smart lock of claim 1, further comprising a speaker, wherein the speaker is connected to the control unit, and wherein the speaker is disposed inside the lock body.
3. The passive smart lock based on NFC technology of claim 1, further comprising a security chip disposed on the circuit board, the security chip being connected to the control unit.
4. The NFC technology based passive smart lock of claim 1, wherein the NFC antenna includes a coil wound with a metal wire and a protective cover disposed over the coil.
5. A passive smart lock based on NFC technology according to claim 1 wherein the actuation mechanism is one of a motor or a solenoid valve.
6. A passive smart lock system based on NFC technology, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023351020.3U CN215369205U (en) | 2020-12-31 | 2020-12-31 | Passive intelligent lock and intelligent lock system based on NFC technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023351020.3U CN215369205U (en) | 2020-12-31 | 2020-12-31 | Passive intelligent lock and intelligent lock system based on NFC technology |
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| CN215369205U true CN215369205U (en) | 2021-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627644A (en) * | 2020-12-31 | 2021-04-09 | 金茂智慧科技(广州)有限公司 | Passive intelligent lock based on NFC technology, intelligent lock system and control method |
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- 2020-12-31 CN CN202023351020.3U patent/CN215369205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627644A (en) * | 2020-12-31 | 2021-04-09 | 金茂智慧科技(广州)有限公司 | Passive intelligent lock based on NFC technology, intelligent lock system and control method |
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