TW201915286A - Networkable intelligent door lock and working method thereof - Google Patents

Abstract

The invention provides a networkable intelligent door lock and a working method thereof. The intelligent door lock comprises a mechanical and electrical integrated key, a key cylinder and a control circuit; the key cylinder comprises a key cylinder housing, a key cylinder liner, an electronic lockout apparatus, a mechanical lockout apparatus and an electronic signal transmission apparatus; the control circuit interacts with the logic encrypted chip of the mechanical and electrical integrated key in information through the electronic signal transmission apparatus, and the control circuit sends a switch signal to the electronic lockout apparatus. The working method comprises the following steps: when the control circuit detects that the mechanical and electrical integrated key is inserted, the control circuit sends a locking signal to the electronic lockout apparatus and sends prompt information to a mobile terminal; and when the bit is matched successfully and the mechanical and electrical integrated key is electrically matched successfully, the key cylinder removes locking of the lock cylinder liner.

Description

Networkable smart door lock and working method thereof

The invention relates to the field of smart door lock technology, in particular to a working method of a networked smart door lock and a smart door lock.

Wisdom door lock is the fastest growing door lock in the lock industry. The electronic unlocking methods such as fingerprint, swipe, password and so on bring convenience to people, but the lock core on the smart door lock still stays at the mechanical lock level. In the above, since the mechanical lock cylinder can be opened by technical means, and the time when the technology is opened is the shortest in the whole set of smart door lock unlocking mode, the mechanical lock cylinder is a hidden danger of the whole set of smart door lock safety. Moreover, when the general smart door lock is electronically matched, only a simple password matching is performed, and the confidentiality setting is lacking, and there is a certain security risk. In addition, the smart door lock lacks remote control management in terms of smart management, which is not conducive to the user's immediate control of the smart door lock. In addition, due to the limited volume of the lock cylinder, how to add the function of the smart door lock in a limited space is also worth studying.

The main object of the present invention is to provide a networkable smart door lock which integrates physical pairing and electronic key pairing of an electromechanical integrated key, has a simple structure, a small volume, and can be networked and managed.

Another object of the present invention is to provide a working method of a networkable smart door lock that integrates physical pairing and electronic key pairing of an electromechanical integrated key and can be network managed.

In order to achieve the above main object, the invention provides a smart door lock, which comprises an electromechanical integrated key, a lock core and a control circuit. The lock core comprises a lock core housing, a lock core liner, an electronic locking device, a mechanical locking device and an electronic signal transmission device. The lock core is inserted into the lock core housing, and the lock core is provided with a key hole corresponding to the electromechanical integrated key, the electromechanical integrated key and the lock core can be plugged and connected; the mechanical lock device and the electromechanical integrated key The tooth-brushing arrangement; the electromechanical integrated key has an electrical contact and a logic encryption chip corresponding to the electronic signal transmission device, the electrical contact is electrically connected with the logic encryption chip, and the electrical contact is electrically connected with the electronic signal transmission device; the control circuit respectively The electronic signal transmission device and the electronic latching device are electrically connected, and the control circuit performs information exchange communication with the logic encryption chip through the single bus bar mode by the electronic signal transmission device, and the control circuit sends the switch signal to the electronic latching device; the control circuit includes the main controller and the wireless device Communication circuit, wireless communication circuit is electrically connected with the main controller, and the main controller is wirelessly connected Circuit and external device information interactive communication.

It can be seen from the above solution that the networkable smart door lock of the present invention enables the logic encryption chip on the electromechanical integrated key to transmit information through the electrical contact and the control circuit in the lock core by setting electrical contacts on the electromechanical integrated key, thereby reducing the outside world. Signal interference. At the same time, the mechanical locking device and the electronic locking device are set, and the mechanical pairing and the electronic key pairing are required when the smart door lock is unlocked, thereby improving the safety performance of the electronic lock. In order to reduce the volume of the smart door lock, the present invention only provides an electronic signal transmission device for realizing the information exchange communication between the control circuit and the electromechanical integrated key in a single bus way manner, and simplifies the structure of the smart door lock. In addition, the control circuit sets the wireless communication circuit for information interaction with the external device, which can facilitate the application of the smart door lock and improve the user experience.

In a further aspect, the electronic signal transmission device comprises a long probe assembly and a short probe assembly, the long probe assembly is located in the lock core housing, the long probe assembly is electrically connected to the control circuit, and the short probe assembly is located in the lock core housing. The short probe assembly is electrically connected to the electrical contact, and the long probe assembly is in contact with the short probe assembly.

It can be seen that since the lock cylinder inner core needs to rotate in the lock core casing when the lock is unlocked, and the key hole is generally disposed at the center position of the lock core liner, in order to facilitate the unlocking, the electronic signal transmission device is set as a separate long probe. The assembly and short probe assembly facilitate the rotation of the cylinder bore during unlocking and facilitate the transfer of information when the electromechanical integral key is inserted.

In a further aspect, the short probe assembly includes a first telescopic portion, a first fixing portion, and a first elastic member, and the two ends of the first elastic member abut the first elastic portion and the first fixing portion respectively; the first elastic portion A part of it is exposed to the first fixed part.

Therefore, the two ends of the first elastic member abut against the first elasticized portion and the first fixed portion, respectively, and the first elasticized portion can be expanded and contracted, and at the same time, the first elasticized portion and the electromechanical integrated key can be electrically The contacts are in close contact to prevent information transfer failures.

In a further aspect, the long probe assembly includes a second telescopic portion, a second fixing portion, and a second elastic member, and the two ends of the second elastic member abut the second elastic portion and the second fixing portion respectively; the second elastic portion A part of the second expansion portion is exposed to the second fixing portion, and the second expansion portion abuts against the first fixing portion.

Therefore, the two ends of the second elastic member abut against the second elastic portion and the second fixing portion, respectively, and the second elastic portion can be expanded and contracted, and the second elastic portion can be tightly coupled with the short probe assembly. Contact to prevent information transfer failures.

In a further aspect, the electronic latching device comprises a magnetic ball and a bobbin, the bobbin is set on the magnetic ball, and the bobbin is electrically connected to the control circuit.

It can be seen that the magnetic latch and the bobbin are used as the electronic latching device, and the operation of electronically locking and unlocking in the smart door lock can be better realized.

In a further solution, the lock cylinder is provided with a locking recess, the locking recess being disposed toward the electronic latching device.

It can be seen that the lock cylinder is provided with a locking groove for the electronic locking device to lock the lock cylinder.

In a further aspect, the control circuit further includes an audible alarm circuit, and the audible alarm circuit is electrically connected to the main controller.

It can be seen that setting the sound alarm circuit can facilitate the smart door lock to remind the user to prevent illegal unlocking.

In a further aspect, the control circuit further includes a functional module interface, and the functional module interface is electrically connected to the main controller.

It can be seen that setting the function module interface can facilitate the function of extending the smart door lock.

In order to achieve the above other object, the working method of the networkable smart door lock provided by the present invention includes: when the control circuit detects the mechatronic key insertion, the control circuit sends a lock signal to the electronic lock device and sends a prompt message to the mobile terminal. The electronic locking device locks the lock core housing and the lock core; when the electronic signal transmission device is in contact with the electrical contact of the electromechanical integrated key, the control circuit acquires the ID information of the logically encrypted chip through the electronic signal transmission device; the control circuit is based on the ID information The electromechanical integrated key is electronically matched; if the electromechanical integrated key electronic matching is successful and the electromechanical integrated key's dental mechanical matching is successful, the lock cylinder releases the locking of the lock cylinder liner.

It can be seen from the above solution that the working method of the networkable smart door lock of the present invention is that the electronic locking device is in an unlocked state when the electromechanical integrated key is not inserted, and only the mechanical locking device locks the lock core housing and the lock core. When the electromechanical integrated key is inserted, the control circuit sends a lock signal to the electronic latching device, so that the electronic latching device locks the lock core housing and the lock core liner, completes the mechanical locking device and the electronic latching device, and simultaneously locks the lock core housing and the lock core Gallbladder. In addition, when the electromechanical integrated key is inserted, the control circuit also sends a prompt message to the mobile terminal, so as to promptly remind the user and form a record storage. When the tooth matching is successful and the electromechanical integrated key electronically matches successfully, the lock cylinder unlocks the lock cylinder liner. This can make the smart door lock can be unlocked by the mechanical locking device in case of power failure or electronic circuit communication failure, preventing the lock from being unlocked, and at the same time, inserting the electromechanical integrated key under the normal circuit can ensure the mechanical locking device and The electronic latching device works at the same time to enhance the security of the smart door lock. When the electronic signal transmission device is in contact with the electrical contact of the electromechanical integrated key, the control circuit acquires the ID information of the logically encrypted chip through the electronic signal transmission device. In a further aspect, the control circuit electronically matches the electromechanical integrated key according to the ID information, including: the control circuit matches the ID information with the information stored by the control circuit; and the control circuit acquires the unlocking condition information sent by the mobile terminal, and the control circuit The ID information is matched with the unlock condition information.

It can be seen that when the control circuit electronically matches the electromechanical integrated key, the obtained ID information can be matched with the information stored by the control circuit, and the ID information can be matched with the unlocking condition information sent by the mobile terminal. Improve the flexibility and security of intelligent door lock electronic matching.

In addition to the basic functions of the traditional mechanical lock, the smart door lock of the invention also provides an electronic key authentication part, which realizes the mechanical pairing of the electromechanical integrated key and the electronic key pairing, thereby improving the safety performance of the smart door lock.

As shown in FIG. 1 and FIG. 2, the smart door lock of the present invention comprises a lock cylinder 1, an electromechanical integrated key 2 and a control circuit 3. The lock cylinder 1 comprises a lock cylinder housing 11, a lock cylinder liner 12, an electronic latching device 13, and a mechanical mechanism. The lock device 14 and the electronic signal transmission device 15 are inserted into the lock core housing 11, and the lock core 12 is provided with a key hole 121 corresponding to the electromechanical integrated key 2, the electromechanical integrated key 2 and the lock cylinder The liner 12 is pluggable. The mechanical locking device 14 is mounted inside the lock cylinder 12, and the mechanical locking device 14 is disposed in cooperation with the teeth 23 of the electromechanical integrated key 2. The electromechanical integrated key 2 has an electrical contact 22 corresponding to the electronic signal transmission device 15 and a logical encryption chip 21, the electrical contact 22 is electrically connected to the logic encryption chip 21, and the electrical contact 22 is electrically connected to the electronic signal transmission device 15, wherein The logical encryption chip 21 is a read-only wafer, and the logical encryption chip 21 stores ID information for unlocking matching. The control circuit 3 is electrically connected to the electronic signal transmission device 15 and the electronic blocking device 13, respectively. The control circuit 3 performs information interactive communication with the logic encryption chip 21 via the electronic signal transmission device 15, and the control circuit 3 transmits a switching signal to the electronic blocking device 13.

The mechanical locking device 14 can be a blade-type mechanical locking device 14 or a ball-type mechanical locking device 14. In the present embodiment, the mechanical locking device 14 is a blade-type mechanical locking device 14. Referring to Figures 3 and 4, the mechanical locking device 14 includes a first spring 141, a blade set 142, a block 143, and a second spring 144. The blade set 142 is provided with a protrusion 146, a protrusion 147, a receiving cavity 148 and a limiting groove 149. The first spring 141 corresponds to the number of the blade sets 142, one end of the first spring 141 abuts against the first bump 123 of the cylinder inner liner 12, and the other end of the first spring 141 abuts against the projection 146 of the blade set 142. Pick up. The first spring 141 allows the blades in the blade set 142 to be aligned in a particular arrangement when locked, thereby locking the lock cylinder liner 12. The bump 147 is located in the accommodating cavity 148, and the bump 147 is mated with the ivory 23 of the electromechanical integrated key 2 inserted into the accommodating cavity 148. The limiting slot 149 is configured to receive the latching block 143. The lock cylinder housing 11 is also provided with a card slot (not shown) for receiving the latching block 143. The latching slot is disposed opposite to the limiting slot 149. The block 143 is provided with an opening groove 1431 for accommodating the second spring 144 and the second protrusion 124 of the core cylinder 12, one end of the second spring 144 abuts the second protrusion 124, and the second spring 144 is another One end abuts the block 143, and the second spring 144 is used to reset the block 143 when the lock is unlocked.

When locked, the first spring 141 causes the blades in the blade set 142 to be arranged in a dislocated arrangement. Due to the misaligned arrangement of the limiting slots 149 between the blade sets 142, the space of the limiting slot 149 is insufficient to accommodate The block 143 causes the block 143 to be squeezed into the card slot of the lock cylinder housing 11 to lock the key cylinder 12. When unlocking, the projections 147 of the blade set 142 cooperate with the teeth 23 of the electromechanical integrated key 2 inserted into the receiving cavity 148, so that the limiting slots 149 between the blade sets 142 are arranged neatly, and there is enough space for the blocks 143. . At this time, due to the action of the second spring 144, the block 143 is bounced back into the limiting groove 149 to unlock the lock cylinder 12.

Referring to FIG. 5, the electronic signal transmission device 15 includes a long probe assembly 16 and a short probe assembly 17, the long probe assembly 16 is located within the lock cylinder housing 11, and the long probe assembly 16 is electrically coupled to the control circuit 3, the short probe assembly 17 is located within the cylinder bore 12, the short probe assembly 17 is in electrical contact with the electrical contact 22, and the long probe assembly 16 is in contact with the short probe assembly 17. The short probe assembly 17 includes a first elasticized portion 171 , a first fixed portion 173 , and a first elastic member 172 . Both ends of the first elastic member 172 abut against the first elasticized portion 171 and the first fixed portion 173 . A portion of the first telescopic portion 171 is exposed to the first fixing portion 173, and a portion of the first telescopic portion 171 exposed to the first fixing portion 173 is provided with a hemispherical surface to prevent jamming during unlocking. The long probe assembly 16 includes a second elasticized portion 161, a second fixed portion 163, and a second elastic member 162, and both ends of the second elastic member 162 abut against the second elasticized portion 161 and the second fixed portion 163, respectively. A portion of the second elastic portion 161 is exposed to the second fixing portion 163, and a portion of the second elastic portion 161 exposed to the second fixing portion 163 is provided with a hemispherical surface to prevent the occurrence of a jam when the unlocking is rotated. In the unlocked state, the second telescopic portion 161 abuts against the first fixing portion 173. After unlocking, referring to FIG. 6, the second telescopic portion 161 and the first fixing portion 173 are separated from each other, and no electrical signal is transmitted.

Referring to FIG. 7, the lock cylinder 12 is provided with a locking recess 122, and the locking recess 122 is disposed toward the electronic latching device 13. Preferably, the opening of the locking recess 122 is disposed toward the center of the earth, and the electronic latching device 13 is located at the lock. The opening of the closed groove 122 is below. The electronic latching device 13 includes a magnetic ball 132 and a bobbin 131. The bobbin 131 is placed on the magnetic ball 132, and the bobbin 131 is electrically connected to the control circuit 3. When the bobbin 131 is electrically connected to generate a magnetic field, the magnetic marble 132 bounces due to the magnetic field force and enters the locking recess 122 to lock the lock cylinder 12.

Referring to FIG. 8, in the embodiment, the control circuit 3 includes a main controller 31, an audible alarm circuit 32, an indicator circuit 33, and a wireless communication circuit 34, in addition to the circuit for controlling the electronic latching device 13. The power circuit 35 and the function module interface 36, the power circuit 35 provide power to the main controller 31, the audible alarm circuit 32, the indicator circuit 33, the wireless communication circuit 34, and the functional module interface 36. The audible alarm circuit 32, the indicator circuit 33, the wireless communication circuit 34, and the functional module interface 36 are electrically connected to the main controller 31, respectively. The main controller 31 transmits an audible alarm signal to the audible alarm circuit 32, the main controller 31 transmits an instruction signal to the indicator circuit 33, and the main controller 31 performs information exchange communication with the external device via the wireless communication circuit 34. The wireless communication circuit 34 includes at least one of a WIFI communication module, a Bluetooth communication module, a Zigbee communication module, a Z-Wave communication module, an NB-IoT communication module, a 433 communication module, or a GSM communication module. The function module interface 36 is at least one of an IIC function module interface, a serial port function module interface or a parallel port function module interface, and is used for implementing multi-function linkage, for example, accessing fingerprint recognition through the function module interface 36, Password recognition, card recognition, etc. are used to interact with the lock core to realize the function expansion of the smart door lock. The control circuit 3 can also be provided with a power supply voltage detecting circuit (not shown), and the main controller 31 immediately acquires the voltage detecting data of the power supply voltage detecting circuit and transmits it to the mobile terminal.

In addition, the lock cylinder housing 11 is also provided with a circuit slot 111 for receiving the circuit board or electronic circuit of the lock cylinder 1.

It should be noted that the blade and electronic signal transmission device 15 of the mechanical locking device 14 of the present invention can be provided in a number as needed. For example, when the mechanical locking device 14 is disposed, the number of mechanical locking devices 14 can be made according to the volume of the smart door lock. The large-sized smart door lock can be provided with a plurality of mechanical locking devices 14 to increase the safety performance of the smart door lock. In the embodiment, the number of blades of the mechanical locking device 14 is nine blades; when the electronic signal transmitting device 15 is disposed According to the data transmission manner of the main controller and the logic encryption chip in the key in the smart door lock, in this embodiment, in order to reduce the volume of the smart door lock, simplify the structure of the smart door lock, and the number of electronic signal transmission devices Set to one, the control circuit 3 and the logical encryption chip 21 perform information interactive communication by a single bus. The data transmission in the single bus way is a well-known technical means, and will not be described here.

The present invention will be described in detail below in conjunction with the working method of the networkable smart door lock.

Referring to FIG. 9, when the smart door lock of the present invention performs unlocking, step S1 is first performed. When the control circuit 3 detects that the electromechanical integrated key 2 is inserted, the control circuit 3 sends a lock signal to the electronic latching device 13 and to the mobile terminal ( The prompt information is transmitted, and the electronic latching device 13 locks the lock cylinder housing 11 and the lock cylinder liner 12. When the electromechanical integrated key 2 is inserted, since the electromechanical integrated key 2 is a conductive metal, the electromechanical integrated key 2 touches the electronic signal transmitting device 15 to generate a voltage change, and the control circuit 3 confirms whether there is a key insertion by judging the change of the voltage. When it is judged that a key is inserted, the electronic blocking device 13 of the control circuit 3 sends a locking signal to energize the bobbin 131 of the electronic blocking device 13, and the magnetic ball 132 is ejected into the locking groove 122 of the lock cylinder 12. The lock cylinder housing 11 and the lock cylinder liner 12 are locked.

The control circuit 3 sends a prompt message to the mobile terminal while sending a lock signal to the electronic terminal, for reminding the user that a key is inserted into the lock core, so that the user can further judge the inserted key and use the mobile terminal to The control circuit 3 transmits control information to perform control of the lock cylinder.

After the lock cylinder housing 11 and the lock cylinder 12 are locked, step S2 is performed, and when the electronic signal transmission device 15 is in contact with the electrical contact 22 of the electromechanical integrated key 2, the control circuit 3 acquires the logical encryption chip 21 through the electronic signal transmission device 15. ID information. When the electronic signal transmission device 15 is in contact with the electrical contact 22 of the electromechanical integrated key 2, the control circuit 3 is electrically connected to the logic encryption chip 21 for interactive communication. The control circuit 3 sends an authentication password to the encryption logic chip 21 of the electromechanical integrated key 2, and the encryption logic chip 21 transmits the ID information to the control circuit 3 after the authentication password. In this embodiment, the ID information is composed of an 8-bit family code and a 48-bit ID. The unique sequence code and the 8-bit CRC check code are composed, for example, in the ID information "0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0xE4" stored by an encryption logic chip 21, "0x01" represents the family code, " 0x02, 0x03, 0x04, 0x05, 0x06, 0x07" represents a unique sequence code, and "0xE4" represents a check code, wherein each mechatronic key 2 has its own unique sequence code.

After acquiring the ID information of the logical encryption chip, step S3 is performed, and the control circuit 3 electronically matches the electromechanical integrated key 2 according to the ID information. The step of electronically matching the electromechanical integrated key 2 according to the ID information by the control circuit 3 includes: the control circuit 3 matches the ID information with the information stored by the control circuit 3; and the control circuit 3 acquires the unlocking condition information sent by the mobile terminal. The control circuit 3 matches the ID information with the unlock condition information.

When the control circuit 3 electronically matches the electromechanical integrated key 2 based on the ID information, the control circuit 3 can use the pre-stored information to match the ID information to determine whether the read ID information is correct. In addition, the control circuit 3 can also match the ID information according to the unlocking condition information sent by the mobile terminal, wherein the unlocking condition information can be set by the user according to the need, for example, the unlocking condition information is that the electromechanical integrated key 2 is a non-lost key or The electromechanical integrated key 2 is in a period of time during which the unlocking is allowed.

After the control circuit 3 electronically matches the electromechanical integrated key 2 according to the ID information, step S4 is performed. If the electromechanical integrated key 2 is successfully matched electronically and the toothbrush 23 of the electromechanical integrated key 2 is mechanically matched successfully, the lock cylinder 1 is unlocked. The locking of the core liner 12. When the control circuit 3 electronically matches the electromechanical integrated key 2 according to the ID information, if it is judged that the electronic matching fails, the main control circuit 3 can perform an operation such as an alarm prompt, and the electronic latching device 13 remains locked in the lock cylinder housing 11 and the lock cylinder. Chole 12. If it is judged that the electronic matching is successful, an unlocking signal is sent to the electronic latching device 13, and the electronic latching device 13 unlocks the lock cylinder housing 11 and the key cylinder 12. After the electronic latching device 13 unlocks the lock cylinder housing 11 and the lock cylinder liner 12, the toothbrush 23 of the electromechanical integrated key 2 needs to be successfully matched to unlock. At this time, the rotary electromechanical integrated key 2 drives the lock cylinder 12 to rotate. Thereby playing the purpose of unlocking.

After the electrical contact 22 of the electromechanical integrated key 2 is in contact with the electronic signal transmission device 15, the electromechanical integrated key 2 can be managed instantaneously, for example, the electromechanical integrated key 2 inserted into the lock cylinder 1 is deregistered, registered, reported, etc. management. The management of the electromechanical integrated key 2 of the smart door lock of the invention may include local management and remote system management, the local management may manage the electromechanical integrated key 2 through the control circuit 3, and the remote system management may be through the mobile terminal to the electromechanical integrated key 2 Manage.

In an optional embodiment, when performing local management, the user presses the registration button (not shown) of the lock cylinder 1, the main controller 31 in the control circuit 3 enters the registration mode, and the main controller 31 recognizes the insertion of the lock cylinder 1 The ID information of the electromechanical integrated key 2 is decrypted, and the ID information of the unregistered electromechanical integrated key 2 is written into the memory (not shown) of the control circuit 3, and the electromechanical integrated key 2 is passed through the wireless communication circuit 34. ID information is uploaded to the cloud. At the same time, the main controller 31 drives the audible alarm circuit 32 to emit a prompt tone, indicating that the registration is successful. In addition to the registration management, the main controller 31 can also recognize whether the electromechanical integrated key 2 is pulled out by the electronic signal transmission device 15. When determining whether the electromechanical integrated key 2 is pulled out, the main controller 31 first detects whether the electromechanical integrated key 2 has a rotation, and if the key does not rotate, controls the audible alarm circuit 32 to perform an alarm prompt after exceeding the preset time, and transmits the wireless communication through the wireless communication. The circuit 34 transmits the information relating to the forgotten key to the remote server for push to the mobile terminal. In addition, the main controller 31 can also perform deletion of key information. For example, in a state that can be locally managed, the user can delete the key information of the memory in the control circuit 3 by pressing the registration button for 5 seconds to send an operation command for deleting the key information to the main controller 31.

In another optional embodiment, when performing remote system management, the registration mode can be entered through the management software of the mobile terminal, and the mobile terminal feeds the registration status information to the main controller 31 through the wireless communication circuit 34, and the main controller 31 Entering the registration mode, and driving the audible alarm circuit 32 to generate a prompt tone, indicating that the registration mode is entered. In the registration mode state, the main controller 31 recognizes the decrypted ID information of the electromechanical integrated key 2 inserted into the lock cylinder 1, and writes the ID information of the unregistered electromechanical integrated key 2 into the memory of the control circuit 3 (not shown). And uploading the ID information of the electromechanical integrated key 2 to the cloud through the wireless communication circuit 34. At the same time, the main controller 31 drives the audible alarm circuit 32 to emit a prompt tone, indicating that the registration is successful. When the remote system management is performed, the key information may be deleted or reported by the management software of the mobile terminal, and the mobile terminal deletes and reports the lost key information to the main controller 31 through the wireless communication circuit 34, and the main controller 31 writes the information. Into the memory. If the lost or deleted key is inserted into the lock cylinder 1, the main controller 31 compares the information of the memory and recognizes that the key has been lost or deleted, rejects the lost or deleted key to unlock the lock cylinder 1, and unlocks The information generated by the operation is sent to the mobile terminal.

It can be seen from the above that the networkable smart door lock of the present invention enables the logic encryption chip on the electromechanical integrated key to transmit information through the electrical contact and the control circuit in the lock core by setting electrical contacts on the electromechanical integrated key, thereby reducing external signals. Interference. At the same time, the mechanical locking device and the electronic locking device are set, and the physical pairing and the electronic key pairing are required when the smart door lock is unlocked, thereby improving the safety performance of the electronic lock. In order to reduce the volume of the smart door lock, the present invention only provides an electronic signal transmission device for realizing the information exchange communication between the control circuit and the electromechanical integrated key in a single bus way manner, and simplifies the structure of the smart door lock. In addition, the control circuit sets the wireless communication circuit for information interaction with the external device, which can facilitate the application of the smart door lock, improve the user experience, and increase the security of the smart door lock.

It should be noted that the above is only a preferred embodiment of the present invention, but the design concept of the invention is not limited thereto, and any insubstantial modification made to the present invention by using the concept also falls within the protection scope of the present invention. Inside.

1‧‧‧Clock

11‧‧‧Clock housing

111‧‧‧Circuit slot

12‧‧‧Clock liner

121‧‧‧Keyhole

122‧‧‧Locking groove

123‧‧‧First bump

124‧‧‧second bump

13‧‧‧Electronic blocking device

131‧‧‧winding tube

132‧‧‧Magnetic marbles

14‧‧‧Mechanical locking device

141‧‧‧First spring

142‧‧‧ blade group

143‧‧‧ card block

1431‧‧‧Open slot

144‧‧‧Second spring

146, 147‧‧ ‧ bumps

148‧‧‧ accommodating chamber

149‧‧‧ Limit slot

15‧‧‧Electronic signal transmission device

16‧‧‧Long probe assembly

161‧‧‧Second expansion and contraction

162‧‧‧Second elastic parts

163‧‧‧Second fixed department

17‧‧‧Short probe assembly

171‧‧‧First expansion joint

172‧‧‧First elastic part

173‧‧‧First Fixed Department

2‧‧‧Mechatronics key

21‧‧‧Logical Encryption Wafer

22‧‧‧Electrical contacts

23‧‧‧ tooth flower

3‧‧‧Control circuit

31‧‧‧Master Controller

32‧‧‧Sound alarm circuit

33‧‧‧ indicator circuit

34‧‧‧Wireless communication circuit

35‧‧‧Power circuit

36‧‧‧Function Module Interface

S1~S4‧‧‧Steps

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-sectional view showing the structure of an embodiment of a networkable smart door lock of the present invention. 2 is a schematic structural view of a key in an embodiment of the networkable smart door lock of the present invention. 3 is a structural diagram of a blade assembly of a mechanical locking device in an embodiment of the networkable smart door lock of the present invention. 4 is a cross-sectional view showing the structure of the mechanical locking device of the present invention in which the mechanical locking device is mounted to the inner core of the lock cylinder. Figure 5 is a cross-sectional view showing the structure of an electronic signal transmission device in the embodiment of the networkable smart door lock of the present invention. FIG. 6 is a cross-sectional view showing the structure of the electronic signal transmission device in the embodiment of the networkable smart door lock of the present invention when the electronic signal transmission device is unlocked. 7 is a schematic diagram of powering up an electronic latching device in an embodiment of the networkable smart door lock of the present invention. FIG. 8 is a circuit block diagram of a control circuit in an embodiment of the networkable smart door lock of the present invention. 9 is a flow chart of an embodiment of a working method of the networkable smart door lock of the present invention.

Claims (10)

A networkable smart door lock comprising an electromechanical integrated key, a lock cylinder and a control circuit, wherein the lock cylinder comprises a lock core housing, a lock core liner, an electronic latching device, at least one mechanical locking device and An electronic signal transmission device, the lock core is inserted into the lock core housing, the lock core is provided with a key hole corresponding to the electromechanical integrated key, the electromechanical integrated key and the a cylinder core insertable connection; the mechanical locking device being disposed in cooperation with at least one tooth of the electromechanical integrated key; the electromechanical integrated key having at least one electrical contact corresponding to the electronic signal transmission device and a logic encryption chip, the electrical contact being electrically connected to the logic encryption chip, the electrical contact being electrically connected to the electronic signal transmission device; the control circuit and the electronic signal transmission device and the The electronic latching device is electrically connected, and the control circuit performs information exchange communication with the logical encryption chip by the electronic signal transmitting device in a single bus way, the control circuit is to the electronic The lock device sends a switch signal; the control circuit includes a main controller and a wireless communication circuit, the wireless communication circuit is electrically connected to the main controller, and the main controller passes the wireless communication circuit and an external The device performs information interactive communication. The networkable smart door lock of claim 1, wherein the electronic signal transmission device comprises a long probe assembly and a short probe assembly, the long probe assembly being located in the lock cylinder housing, the length a probe assembly electrically coupled to the control circuit, the short probe assembly being located within the lock cylinder, the short probe assembly being in electrical contact with the electrical contact, the long probe assembly The short probe assembly is touched. The networkable smart door lock of claim 2, wherein the short probe assembly comprises a first telescopic portion, a first fixing portion and a first elastic member, and the two ends of the first elastic member are respectively The first expansion and contraction portion abuts against the first fixing portion; a part of the first expansion and contraction portion is exposed to the first fixing portion. The networkable smart door lock of claim 3, wherein the long probe assembly comprises a second telescopic portion, a second fixing portion and a second elastic member, and the two ends of the second elastic member are respectively The second expansion-contraction portion and the second fixing portion are in contact with each other; a part of the second expansion-contraction portion is exposed to the second fixing portion, and the second expansion-contraction portion is in contact with the first fixing portion. The networkable smart door lock of any one of claims 1 to 4, wherein the electronic latching device comprises a magnetic marble and a bobbin, the bobbin being set on the magnetic marble, the winding The conduit is electrically connected to the control circuit. The networkable smart door lock of any one of claims 1 to 4, wherein the lock cylinder is provided with a locking recess, the locking recess being disposed toward the electronic latching device. The network-available smart door lock of any one of claims 1 to 4, wherein the control circuit further comprises an audible alarm circuit, the audible alarm circuit being electrically coupled to the main controller. The networkable smart door lock of any one of claims 1 to 4, wherein the control circuit further comprises a function module interface, the function module interface being electrically connected to the main controller. A working method of a networkable smart door lock, which is applicable to the networkable smart door lock according to any one of claims 1 to 8, wherein the method comprises: when the control circuit detects the electromechanical integrated key insertion The control circuit sends a lock signal to the electronic latching device and sends a prompt message to a mobile terminal, the electronic latching device locks the lock core housing and the lock core liner; the electronic signal transmission The control circuit acquires ID information of the logically encrypted chip through the electronic signal transmission device when the device is in contact with the electrical contact of the electromechanical integrated key; the control circuit is configured according to the ID information The electromechanical integrated key is electronically matched; if the electromechanical integrated key electronically matches successfully and at least one of the galvanic mechanical matching of the electromechanical integrated key is successfully matched, the lock cylinder releases the locking of the lock cylinder liner. The working method of the networkable smart door lock according to claim 9, wherein the control circuit electronically matches the electromechanical integrated key according to the ID information, comprising: the control circuit, the ID information and the The information stored by the control circuit is matched; the control circuit acquires unlocking condition information sent by the mobile terminal, and the control circuit matches the ID information with the unlocking condition information.