CN219773888U

CN219773888U - Intelligent door lock based on UWB

Info

Publication number: CN219773888U
Application number: CN202223414642.5U
Authority: CN
Inventors: 张思林
Original assignee: Xiamen Dnake Intelligent Technology Co ltd
Current assignee: Xiamen Dnake Intelligent Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-09-29
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses an intelligent door lock based on UWB, which comprises a door handle, a door lock assembly and an induction assembly, wherein the door handle is arranged on a door plate, a door lock groove for installing the door lock assembly and aligning a lock hole of the door frame is formed in the side wall of the door plate, the door lock assembly comprises a main control module, a motor module, a screw rod and an upper lock tongue, the main control module receives a switch lock signal of the induction assembly, the screw rod is driven by the motor module to drive the upper lock tongue to enter and exit the lock hole to complete the switch lock, the induction assembly comprises a UWB induction module and an antenna module, the UWB induction module sends or receives UWB signals through the antenna module, the positioning of UWB terminal equipment of a user is acquired, and the positioning signals are transmitted to the main control module. According to the utility model, the UWB sensing module is used for identifying the positioning and the identity of the UWB terminal equipment, and then sending a signal to the main control module, and the main control module controls whether the motor drives the screw rod and the upper lock tongue to move to finish the locking and unlocking, so that the keyless entry is realized, and meanwhile, the safety of the door lock is improved.

Description

Intelligent door lock based on UWB

Technical Field

The utility model relates to the technical field of intelligent door locks, in particular to an intelligent door lock based on UWB.

Background

The intelligent door lock is the existing household equipment, can intelligently identify the identity of a user, can not carry a key to finish opening and closing the door, is convenient to use, but the existing intelligent door lock can be opened by a user in a series of operations no matter whether the intelligent door lock is unlocked by a password or by fingerprint unlocking or face recognition, and the password is used for unlocking and fingerprint unlocking and the risk of password leakage and fingerprint theft still exists, so that the intelligent door lock based on password unlocking and fingerprint unlocking needs to be designed, bluetooth is adopted frequently at present through the intelligent door lock without perceived identity identification and positioning, the bluetooth has no accurate distance data, and the UWB technology can meet the requirement, and the intelligent door lock based on UWB needs to be designed.

Disclosure of Invention

The utility model aims to provide an intelligent door lock based on UWB.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an intelligent lock based on UWB, includes door handle, lock subassembly and response subassembly, the door handle is installed on the door plant, door lock groove that is used for installing the lockhole counterpoint of lock subassembly and door frame is seted up to the door plant lateral wall, the lock subassembly includes main control module, motor module, lead screw and last spring bolt, the switch lock signal of response subassembly is received to main control module, through control motor module drive lead screw drives the switch lock of going up spring bolt business turn over lockhole completion switch lock, response subassembly includes UWB response module and antenna module, UWB response module passes through antenna module and sends or receives UWB signal, gathers user's UWB terminal equipment's location to with the location signal transmission for main control module.

Further, two rotating seats are arranged in the door locking groove, rotating holes are formed in the rotating seats, bearings are arranged in the rotating seats, the screw rod is rotatably arranged on the bearings of the two rotating seats, the screw rod is driven to rotate through the motor module, and the upper lock tongue is provided with a sliding seat and is slidably arranged on the screw rod through the sliding seat.

Further, the motor module is a servo motor.

Further, the door lock assembly further comprises a rechargeable battery, a charging head and a charging seat, the rechargeable battery is connected with the main control module, the motor module and the charging head respectively, a charging groove is formed in the door plate, the charging head is movably mounted in the charging groove through a spring, a left magnetic suction part is arranged at the end of the charging head and faces the door frame, a charging hole opposite to the charging groove is formed in the door frame, the charging seat is arranged in the charging hole and provided with a right magnetic suction part which is attracted to the left magnetic suction part of the charging head, and the charging head is magnetically attracted to the charging hole and matched with the charging seat.

Further, the charging seat is connected with the mains supply through a wire.

Further, the door lock assembly further comprises a voice player and a fingerprint module, the main control module plays prompt audio and alarm audio through the voice player, and the fingerprint module is connected with the main control module and used for identifying the identity of a current user.

Further, the sensing assembly further comprises a distance module, and the distance module is connected with the antenna to collect the time of signal transmission and signal reception and feeds the time back to the UWB sensing module.

After the technical scheme is adopted, compared with the background technology, the utility model has the following advantages:

according to the utility model, the positioning and the identity of the UWB terminal equipment are identified through the UWB sensing module, and then signals are sent to the main control module, the main control module controls whether the motor drives the screw rod and the upper lock tongue to move to finish the opening and closing of the lock, and the double identity identification of the fingerprint module can be matched, so that the safety of the door lock is improved.

Drawings

FIG. 1 is a schematic view of the door handle structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic diagram of a system frame according to the present utility model.

Reference numerals illustrate:

a door handle 1; a door lock assembly 2; an induction assembly 3; a door panel 4; a door frame 5; a lock hole 6; a door lock groove 7; a main control module 21; a motor module 22; a screw rod 23; an upper tongue 24; a rechargeable battery 25; a charging head 26; a charging stand 27; a spring 28; a UWB sensing module 31; an antenna module 32; a distance module 33; the seat 71 is rotated.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that, in the present utility model, terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element of the present utility model must have a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

The utility model discloses an intelligent door lock based on UWB, which is shown in the drawings in fig. 1 to 3, and comprises a door handle 1, a door lock assembly 2 and an induction assembly 3, wherein the door handle 1 is arranged on a door plate 4, a door lock groove 7 for installing the door lock assembly 2 and aligning a lock hole 6 of a door frame 5 is formed in the side wall of the door plate 4, the door lock assembly 2 comprises a main control module 21, a motor module 22, a screw rod 23 and an upper lock tongue 24, the main control module 21 receives a switch lock signal of the induction assembly 3, the screw rod 23 is driven by the motor module 22 to drive the upper lock tongue 24 to enter and exit the lock hole 6 to complete the switch lock, the induction assembly 3 comprises a UWB induction module 31 and an antenna module 32, the UWB induction module 31 sends or receives the UWB signal through the antenna module 32, the positioning of UWB terminal equipment of a user is acquired, and the positioning signal is transmitted to the main control module 21.

Two rotating seats 71 are arranged in the door lock groove 7, rotating holes are formed in the rotating seats 71, bearings are arranged in the rotating seats, the screw rod 23 is rotatably arranged on the bearings of the two rotating seats, the screw rod 23 is driven to rotate through the motor module 22, and the upper lock tongue 24 is provided with a sliding seat and is slidably arranged on the screw rod 23 through the sliding seat.

The motor module 22 is a servo motor.

The door lock assembly 2 further comprises a rechargeable battery 25, a charging head 26 and a charging seat 27, the rechargeable battery 25 is respectively connected with the main control module 21, the motor module 22 and the charging head, a charging groove is formed in the door plate 4, the charging head 26 is movably mounted in the charging groove through a spring 28, the end of the charging head 26 is provided with a left magnetic attraction part and faces the door frame 5, the door frame 5 is provided with a charging hole opposite to the charging groove, the charging seat 27 is arranged in the charging hole and is provided with a right magnetic attraction part attracted to the left magnetic attraction part of the charging head 26, and the charging head 26 is magnetically attracted into the charging hole and is matched with the charging seat 27.

The left magnetic attraction part and the right magnetic attraction part are two annular magnetic attraction parts and are respectively arranged on corresponding devices in a surrounding mode, preferably magnets are used, the charging head 26 is in butt joint with the charging seat 27 through mutual attraction, the butt joint part is provided with a conducting strip, electric connection is achieved, when unlocking and opening a door, the charging head 26 is provided with an inclined plane, the left magnetic attraction part and the right magnetic attraction part are separated under acting force, and the charging head 26 is pulled to retract into a charging groove by utilizing the spring 28, so that the charging state is relieved.

The charging seat 27 is connected with the commercial power through a wire, and the charging seat 27 is electrically conductive after being contacted with the charging head 26 to supply power for the rechargeable battery 25, the main control module 21 and the motor module 22.

The door lock assembly 2 further comprises a voice player and a fingerprint module, wherein the main control module 21 plays prompt audio and alarm audio through the voice player, and the fingerprint module is connected with the main control module 21 and used for identifying the identity of a current user.

The fingerprint module is preferably a fingerprint identifier.

The sensing assembly 3 further includes a distance module 33, where the distance module is connected to the antenna to collect the time of signal transmission and reception and feeds back the time to the UWB sensing module 31, and the distance module is a chip motherboard for obtaining the time and obtaining the distance according to the time, and the calculation mode is not limited in this embodiment.

The door handle 1 may be further provided with a coded lock, a display screen and a trigger piece, and the identity recognition unlocking mode of this embodiment may be that the UWB sensing module 31 is used for single recognition, or that the UWB sensing module 31 is used for dual identity recognition by matching with the coded lock and the fingerprint lock respectively, which is not limited in this embodiment.

The triggering piece is preferably a microwave sensor, the user is close to the door handle 1 of the intelligent door lock to trigger the microwave sensor, the UWB sensing module 31 of the sensing component 3 receives the triggering signal and sends and receives the UWB signal through the antenna module 32, the UWB signal interacts with UWB terminal equipment of the user, preferably a mobile phone or other equipment capable of sending the UWB signal, the encrypted UWB feedback signal sent by the equipment is obtained, the UWB sensing module 31 carries out secret key matching on the UWB feedback signal, the matching is successful to locate and calculate the identity position of the UWB feedback signal, the unlocking signal is generated to the main control module 21 to unlock the door when the matching is successful, the unlocking signal is refused when the matching is not met, and the next triggering is waited, the operation is the working principle, software supporting parts such as secret key matching are needed to be designed and are burnt by a developer in the development process, and the embodiment is not limited.

The positioning and the identity of the UWB terminal device are identified through the UWB sensing module 31 in the embodiment, and then signals are sent to the main control module 21, and the main control module 21 controls whether the motor drives the screw rod 23 and the upper lock tongue 24 to move to complete the opening and closing of the lock, and the double identity identification of the fingerprint module can be matched, so that the safety of the door lock is improved, and the keyless door opening is realized.

The embodiment may be that the UWB terminal device must be carried to unlock, or may unlock through dual identity authentication of the trick lock and the fingerprint identifier when the UWB terminal device forgets to carry, and is set according to the needs of the user, which is not limited in the embodiment.

The door lock assembly of this embodiment can also be provided with a two-way lock structure, when the user gets into indoor, accomplishes the locking through rotating another lockhole of its embedding gate, and the unblock needs indoor people to unlock, and two-way lock is mechanical structure, and another lockhole that another door locked groove of pass in and out gets into counterpoint is pushed through a knob, is current door lock common technique, also can push down the spring bolt through indoor door handle control cylinder and carry out two-way lock, and this embodiment is not limited.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. Intelligent door lock based on UWB, its characterized in that: including door handle, lock subassembly and response subassembly, the door handle is installed on the door plant, door lock groove that is used for installing the lockhole counterpoint of lock subassembly and door frame is seted up to the door plant lateral wall, the lock subassembly includes main control module, motor module, lead screw and last spring bolt, main control module receives the switch lock signal of response subassembly, through control motor module drive lead screw drives the switch lock of going up spring bolt business turn over lockhole completion switch lock, response subassembly includes UWB response module and antenna module, UWB response module passes through antenna module and sends or receive UWB signal, gathers user's UWB terminal equipment's location to with the orientation signal transmission gives main control module.

2. A UWB-based intelligent door lock as defined in claim 1, wherein: the door lock groove is internally provided with two rotating seats, the rotating seats are provided with rotating holes and are internally provided with bearings, the screw rod is rotatably arranged on the bearings of the two rotating seats, the screw rod is driven to rotate by the motor module, and the upper lock tongue is provided with a sliding seat and is slidably arranged on the screw rod by the sliding seat.

3. A UWB-based intelligent door lock as defined in claim 2, wherein: the motor module is a servo motor.

4. A UWB-based intelligent door lock as defined in claim 1, wherein: the door lock assembly further comprises a rechargeable battery, a charging head and a charging seat, the rechargeable battery is respectively connected with the main control module, the motor module and the charging head, a charging groove is formed in the door plate, the charging head is movably mounted in the charging groove through a spring, the end of the charging head is provided with a left magnetic attraction part and faces the door frame, the door frame is provided with a charging hole opposite to the charging groove, the charging seat is arranged in the charging hole and is provided with a right magnetic attraction part attracted to the left magnetic attraction part of the charging head, and the charging head is magnetically attracted to the charging hole and matched with the charging seat.

5. The intelligent door lock based on UWB of claim 4 wherein: the charging seat is connected with the mains supply through a wire.

6. A UWB-based intelligent door lock as defined in claim 1, wherein: the door lock assembly further comprises a voice player and a fingerprint module, the main control module plays prompt audio and alarm audio through the voice player, and the fingerprint module is connected with the main control module and used for identifying the identity of a current user.

7. A UWB-based intelligent door lock as defined in claim 1, wherein: the sensing assembly further comprises a distance module, and the distance module is connected with the antenna to collect the time of signal sending and receiving and feeds the time back to the UWB sensing module.