Smart door lock

Abstract

The application provides a kind of intelligent door lock, belongs to intelligent door lock technical field.Intelligent door lock includes door lock shell, control module, executing piece and at least one elastic wave sensor.Elastic wave sensor is arranged in door lock shell, and elastic wave sensor and executing piece are electrically connected with control module respectively, and elastic wave sensor is used to detect the vibration of door lock shell and output corresponding elastic wave signal, and control module controls executing piece according to elastic wave signal.In this way, when the position of user touching door lock shell is in dangerous area, control module controls executing piece to issue prompt information, which can reduce the risk of hand clamping.

Description

Technical Field

[0001] This application relates to the field of smart door lock technology, and in particular to a smart door lock. Background Technology

[0002] Currently, various intelligent devices are entering people's lives, such as smart door locks. Smart door locks bring more convenience and improve the user experience with intelligent functions such as facial recognition, fingerprint recognition, and remote control. In related technologies, smart door locks include a lock body, an outer lock, and an inner lock. The lock body is installed inside the door panel, the outer lock is installed on the outside of the door panel, and the inner lock is installed on the inside of the door panel. However, the gap between the door panel and the door frame is very narrow. When users operate the smart door lock near the gap, there is a high risk of their hands being pinched, potentially resulting in injury from the door frame or door panel. Utility Model Content

[0003] This application provides a smart door lock that can reduce the risk of fingers getting pinched.

[0004] This application provides a smart door lock, which includes a lock housing, a control module, an actuator, and at least one elastic wave sensor. The elastic wave sensor is disposed in the lock housing. The elastic wave sensor and the actuator are electrically connected to the control module. The elastic wave sensor is used to detect the vibration of the lock housing and output a corresponding elastic wave signal. The control module controls the actuator according to the elastic wave signal.

[0005] In this embodiment, an elastic wave sensor detects the elastic waves generated by the user's hand touching the door lock housing. The control module analyzes and processes the elastic wave signal output by the elastic wave sensor to obtain the specific location where the user's hand touches the door lock housing. The control module can also determine whether the specific touch location is in the danger zone on the side of the smart door lock near the door gap. When the specific touch location is in the danger zone, the control module controls the action of the actuator to issue a prompt message to remind the user not to operate, thereby reducing the risk of pinching the hand.

[0006] In some possible implementations, the door lock housing includes an outer lock housing and an inner lock housing, wherein: at least one elastic wave sensor is provided on the outer lock housing, and / or, at least one elastic wave sensor is provided on the inner lock housing.

[0007] In this way, by installing an elastic wave sensor on the outer lock housing, the specific location where a user touches the outer lock can be detected when opening and closing the door outdoors, thus reducing the risk of fingers being pinched. Similarly, by installing an elastic wave sensor on the inner lock housing, the specific location where a user touches the inner lock can be detected when opening and closing the door indoors, thus reducing the risk of fingers being pinched.

[0008] In some possible implementations, multiple elastic wave sensors are provided on the outer lock housing. These multiple elastic wave sensors are located at different positions on the outer lock housing to determine the position where the user touches the outer lock housing based on the strength of the elastic wave signals sent to the control module by the multiple elastic wave sensors on the outer lock housing.

[0009] In some possible implementations, multiple elastic wave sensors are provided on the inner lock housing. These multiple elastic wave sensors are located at different positions on the inner lock housing to determine the position where the user touches the inner lock housing based on the strength of the elastic wave signals sent to the control module by the multiple elastic wave sensors on the inner lock housing.

[0010] In some possible implementations, at least a portion of at least one elastic wave sensor disposed on the outer lock housing is located inside the button touch area of ​​the outer lock housing.

[0011] In this way, the elastic wave generated by the outer lock housing when the user touches the button touch area can be propagated to the elastic wave sensor inside the button touch area, determining the position of the user touching the outer lock housing while operating the button, thus improving detection efficiency.

[0012] In some possible implementations, the elastic wave sensor disposed inside the button touch area of ​​the outer lock housing includes a first elastic wave sensor, which serves as a touch sensor for implementing the button function.

[0013] In this way, by using the first elastic wave sensor as a touch sensor to realize the button function, the smart door lock can not only realize functions such as password unlocking, but also detect the specific position of the user's hand touching the outer lock shell.

[0014] In some possible implementations, at least a portion of at least one elastic wave sensor disposed on the inner side wall of the outer lock housing is disposed on the inner side wall of the outer lock housing.

[0015] In this way, by clicking or touching the side of the lock with a hand, it can be quickly determined whether the user's hand is in the danger zone on the side of the lock closest to the door gap, thus improving detection efficiency.

[0016] In some possible implementations, the outer lock housing has a first cavity, and the elastic wave sensor disposed in the outer lock housing is located in the first cavity. In this way, the elastic wave sensor is hidden and stored in the first cavity, improving the aesthetics of the outer lock.

[0017] In some possible implementations, an elastic wave sensor disposed in the inner lock housing is used to detect vibration of at least one sidewall of the inner lock housing.

[0018] In this way, by clicking or touching the side of the inner lock, it can be quickly determined whether the user's hand is in the danger zone near the door gap, thus improving detection efficiency.

[0019] In some possible implementations, the inner locking housing has a second cavity, and the elastic wave sensor disposed in the inner locking housing is located inside the second cavity.

[0020] In this way, the elastic wave sensor can be hidden and stored in the second cavity, improving the aesthetics of the external lock.

[0021] In some possible implementations, the outer lock housing includes an outer handle portion and an outer body portion. The outer handle portion and the outer body portion are fixedly connected, and the outer handle portion and the outer body portion enclose an outer handle space. The outer handle space extends through the outer lock housing along the width direction, and an elastic wave sensor is provided on the outer handle portion.

[0022] In this way, the outer lock housing has an external handle space for the user to insert their fingers, which reduces the difficulty for the user to hold the smart door lock and improves the efficiency of opening the door. In addition, an elastic wave sensor is installed on the external handle to detect the elastic waves generated by the user when holding the external handle, thereby improving the detection efficiency.

[0023] In some possible implementations, the inner lock housing includes an inner handle portion and an inner body portion. The inner handle portion and the inner body portion are fixedly connected, and the inner handle portion and the inner body portion enclose an inner handle space. The inner handle space extends through the inner lock housing along the width direction of the inner lock housing, and an elastic wave sensor is provided on the inner handle portion.

[0024] In this way, the inner lock housing has an inner handle space for the user to insert their fingers, which reduces the difficulty for the user to hold the smart door lock and improves the opening efficiency. In addition, an elastic wave sensor is installed on the inner handle to detect the elastic waves generated by the user when holding the inner handle, thereby improving the detection efficiency.

[0025] In some possible implementations, the actuator is a vibration motor, a door lock motor, or a speaker.

[0026] In this way, by using existing components of smart locks, such as vibration motors, door lock motors, or speakers, to issue alerts, the number of parts in a smart lock can be reduced, thus lowering its cost.

[0027] In some possible implementations, the number of executors is at least two, and the at least two executors are of different types.

[0028] In this way, when the user's hand is in the risk zone of pinching, multiple prompts can be provided to prevent the user from operating the device. Attached Figure Description

[0029] Figure 1This is a schematic diagram illustrating an application scenario of a smart door lock provided in an embodiment of this application;

[0030] Figure 2 for Figure 1 A schematic diagram showing the interaction between the smart lock and the door panel;

[0031] Figure 3 This is a schematic diagram illustrating an application scenario of smart door locks in related technologies.

[0032] Figure 4 A schematic diagram illustrating the second type of smart door lock and its interaction with a door panel, provided in an embodiment of this application;

[0033] Figure 5 A forward schematic diagram of an external lock provided in an embodiment of this application;

[0034] Figure 6 for Figure 5 A cross-sectional view along the AA direction;

[0035] Figure 7 A schematic diagram illustrating the interaction between a third type of smart door lock and a door panel, provided in an embodiment of this application;

[0036] Figure 8 for Figure 7 Cross-sectional view along the BB direction;

[0037] Figure 9 for Figure 4 A three-dimensional structural diagram of the external lock engaging with the door panel;

[0038] Figure 10 A three-dimensional structural diagram of another external lock provided in an embodiment of this application;

[0039] Figure 11 Schematic diagrams illustrating the interaction between four smart door locks and door panels provided in the embodiments of this application;

[0040] Figure 12 for Figure 11 A cross-sectional view along the CC direction.

[0041] Explanation of reference numerals in the attached figures:

[0042] 10. Elastic wave sensor;

[0043] 20. Door lock housing;

[0044] 21. Outer lock housing; 211. First cavity; 212. Outer handle; 213. Outer body; 214. Outer handle space; 215. Button touch area;

[0045] 22. Inner lock housing; 221. Second cavity; 222. Inner handle portion; 223. Inner main body portion; 224. Inner handle space;

[0046] 30. First circuit board;

[0047] 40. Speaker; 50. Camera;

[0048] 60. Second circuit board;

[0049] 70. Control module;

[0050] 80. Execution document;

[0051] 100. Smart door locks;

[0052] 110. External lock;

[0053] 120. Internal lock;

[0054] 130. Lock body;

[0055] 200. Door panel;

[0056] 300. Door frame;

[0057] 400. Hinge. Detailed Implementation

[0058] The terminology used in the implementation section of this application is for the purpose of explaining specific embodiments of this application only, and is not intended to limit this application.

[0059] Figure 1 This is a schematic diagram illustrating an application scenario of a smart door lock 100 provided in an embodiment of this application. In each figure, the X-axis is defined as the length direction of the door panel 200, the Y-axis is defined as the width direction of the door panel 200, and the Z-axis is defined as the thickness direction of the door panel 200.

[0060] This application provides a door, which can be a sliding door, a hinged door, an electric door, etc. The hinged door can be a left-opening door (e.g.,...). Figure 1 (As shown) or a right-opening door. The following explanation will use a left-opening door as an example.

[0061] See Figure 1 The door includes a smart door lock 100 and a door panel 200, along the width direction of the door panel 200 (e.g., Figure 1 (In the Y direction), one side of the door panel 200 is hinged to the door frame 300 via a hinge 400, and the other side of the door panel 200 is detachably connected to the door frame 300. The smart door lock 100 is fixedly installed on the door panel 200, and the smart door lock 100 is located on the side of the door panel 200 away from the hinge 400.

[0062] Figure 2 for Figure 1 A schematic diagram showing the interaction between the smart door lock 100 and the door panel 200.

[0063] like Figure 2 As shown, the smart door lock 100 includes an outer lock 110, an inner lock 120, and a lock body 130. The lock body 130 is fixedly installed inside the door panel 200, the outer lock 110 is fixedly connected to the outer side of the door panel 200, and the inner lock 120 is fixedly connected to the inner side of the door panel 200. The inner side of the door panel 200 refers to the side of the door panel 200 facing inwards, and the outer side of the door panel 200 refers to the side of the door panel 200 facing outwards.

[0064] In this embodiment, the length direction of the outer lock 110 and the length direction of the inner lock 120 are both parallel to the length direction of the door panel 200, the width direction of the outer lock 110 and the width direction of the inner lock 120 are both parallel to the width direction of the door panel 200, and the thickness direction of the outer lock 110 and the thickness direction of the inner lock 120 are both parallel to the thickness direction of the door panel 200.

[0065] It should be noted that when two directions are parallel to each other, the two directions can be absolutely parallel or the parallelism of the two directions is allowed to have a certain error. For example, there is an angle of 1° or 2° between the length direction of the outer lock 110 and the length direction of the door panel 200.

[0066] In this embodiment, the external lock 110 may include, but is not limited to: a fingerprint sensor, a camera 50, a button, a microphone, a speaker 40, and a near field communication (NFC) module.

[0067] Fingerprint sensors can be used to collect fingerprints.

[0068] Camera 50 can be used to capture still images or videos. In some embodiments, the external lock 110 may include one or more cameras 50. For example, the external lock 110 may include a face recognition camera and a peephole camera. The face recognition camera can detect the depth of field in the shooting space and perform 3D imaging to obtain more facial features. The smart lock 100 can unlock the door using the face data captured by the face recognition camera. The peephole camera can be used to monitor the situation outside the door, allowing users to see if anyone is outside and who the visitor is. Compared to the face recognition camera described above, the peephole camera may not have 3D imaging capabilities. The images captured by the peephole camera can contain richer pixel information and a wider field of view. This application embodiment does not limit the type of camera 50.

[0069] The buttons can be used to input information such as numbers and letters. The buttons can be mechanical or touch-sensitive. In some embodiments, the buttons may also include a button for triggering a doorbell.

[0070] A microphone, also known as a "voice transducer," is used to convert sound signals into electrical signals. In some embodiments, the smart lock 100 can use a microphone to collect ambient sound and determine whether the ambient sound contains a voice command (such as the voice command "Please verify face"). The outer lock 110 may include one or more microphones.

[0071] The speaker 40, also known as a "loudspeaker," is used to convert audio electrical signals into sound signals. In some embodiments, the smart lock 100 can interact with the user via voice through the speaker 40. For example, in response to a user's voice command, the smart lock 100 can provide a voice response through the speaker 40. For instance, when the voice command "Please verify face" is detected, the smart lock 100 can provide a voice prompt "Please blink" through the speaker 40. This application embodiment does not limit the specific implementation of the above-described voice response.

[0072] The NFC module can be used to provide the external lock 110 with NFC communication capabilities. In some embodiments, the smart lock 100 can utilize the NFC module to achieve NFC unlocking.

[0073] In this embodiment, the internal lock 120 may include, but is not limited to, a processor, a memory, a Bluetooth module, a Wi-Fi module, a battery, and a display screen.

[0074] The display screen can be used to display images, videos, etc.

[0075] The battery powers the entire smart lock 100. In some embodiments, the battery can be a disposable battery, which needs to be replaced after its power is depleted to continue powering the smart lock 100. In some embodiments, the battery can be a rechargeable battery, which can be recharged to power the smart lock 100 again after its power is depleted. In some embodiments, there are multiple batteries, one of which is a rechargeable battery and the others are disposable batteries. The rechargeable battery powers the smart lock 100's functions such as taking photos and recording videos, while the disposable batteries power the smart lock 100's opening and closing functions.

[0076] The processor is the main control unit of the smart door lock 100, and it can be a microcontroller unit (MCU) or a digital signal processor (DSP). The processor can generate operation control signals according to the instruction opcode and timing signals to complete the control of instruction fetching and execution.

[0077] The memory is used to store instructions and data. The processor executes the instructions stored in the memory to perform various functional applications and data processing of the smart lock 100. For example, the processor can execute the authentication and unlocking process of the smart lock 100 by running relevant instructions.

[0078] When a user is outdoors and opening or closing the door, the user can hold the outer lock 110 from the left side with their left hand or from the right side with their right hand. Similarly, when a user is indoors and opening or closing the door, the user can hold the inner lock 120 from the left side with their left hand or from the right side with their right hand.

[0079] When a user is outdoors and opens / closes the door with their right hand, the gap between the door panel 200 and the door frame 300, along with the user's right hand, is on the same side of the outer lock 110. Because the gap between the door panel 200 and the door frame 300 is very small, the user's right hand is easily pinched by the door frame 300 and the door panel 200 (or the smart lock 100) if they are not careful. Similarly, when a user is indoors and opens / closes the door with their left hand, the gap between the door panel 200 and the door frame 300, along with the user's left hand, is on the same side of the inner lock 120. Again, because the gap is very small, the user's left hand is easily pinched by the door frame 300 and the door panel 200 if they are not careful. Therefore, during the opening and closing of the door, when the user operates the smart lock 100 on the side closest to the gap, the risk of hand pinching is high, and the user's hand is easily pinched by the door panel 200 and the door frame 300.

[0080] Figure 3 This is a schematic diagram illustrating the application scenarios of smart door locks in related technologies.

[0081] In related technologies, such as Figure 3 As shown, the smart door lock 100 includes an inner lock 530, an outer lock 540, a lock body 520, and two anti-pinch baffles 510. The inner lock 530 is fixedly installed on the inner side of the door panel 200, the outer lock 540 is fixedly installed on the outer side of the door panel 200, and the lock body 520 is installed inside the door panel 200. One anti-pinch baffle 510 blocks the dangerous side of the outer lock 540 near the door gap, and the other anti-pinch baffle 510 blocks the dangerous side of the inner lock 530 near the door gap. By blocking the dangerous side of the smart door lock 100 near the door gap with the anti-pinch baffles 510, the risk of pinching hands is reduced.

[0082] However, the anti-pinch baffle 510 is usually attached to the outer lock 540 or inner lock 530 using adhesive. The adhesion reliability between the anti-pinch baffle 510 and the outer lock 540 or inner lock 530 is poor, and the anti-pinch baffle 510 is prone to falling off. In addition, the anti-pinch baffle 510 only covers the fixed area of ​​the inner lock 530 or outer lock 540, and cannot adapt to deformation of the door panel 200 or changes in the clearance of the moving platform, still posing a high risk of pinching fingers. Furthermore, the anti-pinch baffle 510 reduces the aesthetics of the smart door lock 100.

[0083] Figure 4 This is a schematic diagram illustrating the second type of smart door lock and its interaction with a door panel, as provided in an embodiment of this application.

[0084] Therefore, in the embodiments of this application, see Figure 4 The smart door lock 100 includes a door lock housing 20, a control module 70, an actuator 80, and at least one elastic wave sensor 10. The elastic wave sensor 10 is disposed in the door lock housing 20. The elastic wave sensor 10 and the actuator 80 are electrically connected to the control module 70. The elastic wave sensor 10 detects vibrations in the door lock housing 20 and outputs corresponding elastic wave signals. The control module 70 controls the actuator 80 based on the elastic wave signals output by the elastic wave sensor 10.

[0085] An elastic wave sensor 10 is a device that detects the propagation characteristics (such as amplitude, frequency, phase, and propagation speed) of elastic waves (mechanical vibration waves) and converts them into electrical signals. The elastic wave sensor 10 can be a piezoelectric elastic wave sensor, a capacitive elastic wave sensor, an electromagnetic elastic wave sensor, etc.

[0086] Elastic waves can be broadly categorized into longitudinal waves, transverse waves, and surface waves (a combination of longitudinal and transverse waves). In general, elastic waves are waves that propagate within or on the surface of a solid or fluid medium. When an elastic particle in the medium is disturbed, it will move in a certain direction. The elasticity of the medium provides the restoring force, causing it to reciprocate around a point. Simultaneously, it drives adjacent particles to perform the same reciprocating motion, macroscopically presenting a process of wave propagation outwards. Simply put, it is the form in which stress and strain caused by disturbance or external force are transmitted in an elastic medium.

[0087] The actuator 80 can be a vibration motor, a door lock motor, a speaker 40, a communication module, etc. The communication module is used to realize information interaction between the smart door lock 100 and a terminal device (such as a mobile phone). For example, the smart door lock 100 sends danger information to the terminal device through the communication module.

[0088] The door lock motor serves as the power source for opening and closing the lock body 130. In some embodiments, in addition to serving as the power source for the lock body 130, the door lock motor also functions as a vibration motor to emit vibration signals.

[0089] The number of actuators 80 can be one or at least two. In some embodiments, the number of actuators 80 is at least two, and the at least two actuators 80 are of different types, so that multiple prompts can be provided when the user's hand is in the risk area of ​​pinching, thus preventing the user from operating the device.

[0090] For example, there are two actuators 80, one of which is a door lock motor and the other is a speaker 40. In this way, when the user's hand is in a dangerous area, the control module 70 controls the speaker 40 to sound an alarm and controls the door lock motor to vibrate to alert the user.

[0091] When a user is outdoors (or indoors) and performs an unlocking operation, the user's hand touches the door lock housing 20, causing the door lock housing 20 to vibrate and generate elastic waves. The elastic waves from the door lock housing 20 will propagate to the elastic wave sensor 10 and be acquired by the elastic wave sensor 10. The elastic wave sensor 10 outputs an elastic wave signal to the control module 70 based on the acquired elastic wave. The control module 70 calculates the touch position of the user's hand touching the door lock housing 20 based on the elastic wave signal and determines whether the touch position is in the danger zone of the smart door lock 100 near the door gap.

[0092] When the control module 70 determines that the user's hand is in a dangerous area, it can control the actuator 80 to issue a warning message. For example, the door lock motor and speaker 40 of the smart door lock 100 both function as actuators 80. The control module 70 controls the door lock motor to vibrate and controls the speaker 40 to sound an alarm, prompting the user not to open the door. When the user's hand is not in a dangerous area, the control module 70 will not control the actuator 80 to issue a warning message.

[0093] Therefore, by detecting the elastic wave generated by the user's touch on the door lock housing 20 through the elastic wave sensor 10, the control module 70 can analyze and process the elastic wave signal output by the elastic wave sensor 10 to obtain the touch position of the user's hand touching the door lock housing 20. The control module 70 can also determine whether the touch position is in the danger zone on the side of the smart door lock 100 near the door gap. When the touch position is in the danger zone, the control module 70 controls the actuator 80 to issue a prompt message to remind the user not to operate, which can reduce the risk of pinching the hand.

[0094] In addition, the elastic wave sensor 10 detects the elastic waves of the door lock housing 20 in real time, accurately identifying whether the user's hand is in a dangerous area regardless of changes in the door gap. The elastic wave sensor 10 can be integrated inside the smart door lock 100 without user intervention. The elastic wave sensor 10 will not fall off, and it also ensures the appearance integrity of the smart door lock 100, enhancing its aesthetics.

[0095] In addition, the elastic wave sensor 10 can detect micro-deformation at the 0.1mm level and can identify elastic waves generated by a finger with a small diameter (e.g., 3mm) touching the door lock housing 20, which can reduce the false detection rate and reduce the risk of pinching fingers.

[0096] In some embodiments, such as Figure 4 As shown, the door lock housing 20 includes an outer lock housing 21 and an inner lock housing 22, and at least one of the outer lock housing 21 and the inner lock housing 22 may be equipped with an elastic wave sensor 10. Thus, in scenarios such as indoor door opening and / or outdoor door opening and closing, when the user touches the door lock housing 20 at a location within a dangerous area near the door seam, the control module 70 controls the actuator 80 to issue a warning message.

[0097] The outer lock housing 21 is fixedly connected to the outside of the door panel 200. The outer lock housing 21 is part of the outer lock 110. The outer lock housing 21 is used to carry other components of the outer lock 110, such as the camera 50, fingerprint sensor, microphone, speaker 40, and near-field wireless communication technology module of the outer lock 110.

[0098] The inner lock housing 22 is fixedly connected to the inner side of the door panel 200. The inner lock housing 22 is part of the inner lock 120 and is used to carry other components of the inner lock 120, such as the battery, display screen, processor and other components of the inner lock 120.

[0099] In some possible implementations, at least one elastic wave sensor 10 is provided on the outer lock housing 21. For example, three elastic wave sensors 10 are provided on the outer lock housing 21. Of course, the number of elastic wave sensors 10 provided on the outer lock housing 21 may be more or less than three.

[0100] In this way, the elastic wave sensor 10 installed on the outer lock housing 21 can obtain the elastic wave of the outer lock housing 21. The control module 70 can obtain the position where the user touches the outer lock housing 21 based on the elastic wave signal output by the elastic wave sensor 10. The control module 70 also determines whether the position where the user touches the outer lock housing 21 is in the danger zone on the side of the outer lock 110 near the door gap.

[0101] In some scenarios, when a user unlocks the door using a password, the control module 70 determines whether the user's hand is in a danger zone based on the elastic wave signals output by multiple elastic wave sensors 10 on the outer lock housing 21. When the user's hand is in a danger zone, the control module 70 can control the speaker 40 to sound an alarm and the door lock motor to vibrate, generating a prompt message. When the user's hand is not in a danger zone, the smart door lock 100 performs the unlocking operation normally.

[0102] Of course, in addition to password unlocking, the Smart Lock 100 can also include at least one of the following unlocking methods: NFC card swipe unlocking, face recognition unlocking, fingerprint unlocking, finger vein unlocking, palm vein unlocking, etc.

[0103] Therefore, when a user opens the door using unlocking methods such as fingerprint unlocking, password unlocking, or vein unlocking that involve contact with the outer lock housing 21, if the control module 70 determines that the user's contact position with the outer lock housing 21 is in a dangerous area on the side of the outer lock 110 near the door gap, the smart door lock 100 will not perform the door opening operation. At the same time, it can alert the user through the speaker 40 and the door lock motor vibration to warn that the user is likely to get their hand caught.

[0104] Of course, in addition to alarming via speaker 40 and door lock motor vibration, the smart door lock 100 can also alert the user through other devices, such as sending danger information to the user via the smart door lock 100's communication module.

[0105] In some embodiments, a plurality of elastic wave sensors 10 are provided on the outer lock housing 21. These sensors 10 are positioned at different locations on the outer lock housing 21 to determine the location where the user touches the outer lock housing 21 based on the strength of the elastic wave signals sent to the control module 70 by the sensors 10. Furthermore, determining the position of the outer lock housing 21 by the strength of the elastic wave signals output by the multiple sensors 10 can also improve detection accuracy.

[0106] Figure 5 This is a forward schematic diagram of an external lock provided in an embodiment of this application. Figure 6 for Figure 5 A cross-sectional view along the AA direction.

[0107] In some possible implementations, the outer lock housing 21 has multiple button touch areas 215, for example Figure 5 The number of button touch areas 215 is 12. Of course, the number of button touch areas 215 can be less or more than 12. At least a portion of at least one elastic wave sensor 10 disposed on the outer lock housing 21 is disposed inside the button touch area 215 of the outer lock housing 21.

[0108] In this way, when the user touches the button touch area 215, the elastic wave generated by the outer lock housing 21 can be propagated to the elastic wave sensor 10 inside the button touch area 215, and the position of the user touching the outer lock housing 21 can be determined while the button is operated, thus improving the detection efficiency.

[0109] In some embodiments, such as Figure 5As shown, there are multiple elastic wave sensors 10 disposed on the outer lock housing 21. The elastic wave sensors 10 disposed on the outer lock housing 21 are disposed inside the outer lock housing 21. The elastic wave sensors 10 disposed on the outer lock housing 21 correspond one-to-one with the button touch area 215. Each button touch area 215 has an elastic wave sensor 10 disposed on its inner side.

[0110] In some embodiments, a portion of the plurality of elastic wave sensors 10 disposed on the outer lock housing 21 are disposed inside the button touch area 215. For example, the number of elastic wave sensors 10 disposed on the outer lock housing 21 is 10, and five elastic wave sensors 10 disposed on the outer lock housing 21 are respectively disposed inside the five button touch areas 215.

[0111] In some embodiments, the smart lock 100 further includes a touch sensor located inside the outer lock housing 21. Each touch sensor corresponds one-to-one with a button touch area 215. When a user touches a button touch area 215, the touch sensor corresponding to the touched button touch area 215 outputs a touch signal. Thus, the smart lock can have button functions such as a doorbell and password unlocking.

[0112] In some embodiments, the touch sensor corresponding to each button touch area 215 is not the elastic wave sensor 10.

[0113] In some embodiments, the elastic wave sensor disposed inside the button touch area 215 of the outer lock housing 21 includes a first elastic wave sensor, which serves as a touch sensor for implementing the button function. That is, at least a portion of the plurality of touch sensors disposed on the outer lock housing 21 are elastic wave sensors 10.

[0114] In this way, by using the first elastic wave sensor as a touch sensor to realize the button function, the smart door lock 100 can realize functions such as password unlocking, and can also detect the specific position of the user's hand touching the outer lock shell 21.

[0115] In some embodiments, a portion of the multiple touch sensors disposed on the outer lock housing 21 are not elastic wave sensors 10, and another portion are first elastic wave sensors, thereby reducing costs.

[0116] In some embodiments, such as Figure 5 As shown, the outer lock housing 21 includes multiple rows of touch groups arranged side-by-side and spaced apart along the width direction of the outer lock housing 21. Each touch group includes multiple button touch areas 215 arranged side-by-side and spaced apart along the length direction of the outer lock housing 21. Along the width direction of the outer lock housing 21, the touch sensors corresponding to the button touch areas 215 of the two touch groups closest to the opposite ends of the outer lock housing 21 in the width direction are first elastic wave sensors.

[0117] Figure 7 This is a schematic diagram illustrating the interaction between a third type of smart door lock and a door panel, as provided in an embodiment of this application. Figure 8 for Figure 7 A cross-sectional view along the BB direction.

[0118] In some possible implementations, at least a portion of at least one elastic wave sensor 10 disposed on the inner side wall of the outer lock housing 21 is disposed on the inner side of the side wall of the outer lock housing 21, for example... Figure 7 As shown, the elastic wave sensor 10 is disposed on the inner side of the side wall of the outer lock housing 21 near the door gap, so as to obtain the elastic wave of the side wall of the outer lock housing 21 near the door gap.

[0119] In this way, by clicking or touching the side of the outer lock 110, it can be quickly determined whether the user's hand is in the danger zone on the side of the outer lock 110 near the door gap, thus improving detection efficiency.

[0120] In some embodiments, at least one elastic wave sensor 10 disposed in the outer lock housing 21 is located on the inner side of the side wall of the outer lock housing 21, for example, in combination with Figure 7 and Figure 8 It can be seen that the elastic wave sensor 10, which is set in the outer lock housing 21, is arranged on the inner side of the inner lock housing 22 near the door gap, which can directly detect whether the user's hand is in the danger zone, thereby improving detection efficiency and detection accuracy.

[0121] Among them, such as Figure 7 As shown, multiple elastic wave sensors 10 are arranged along the length direction of the outer lock 110 (e.g., Figure 7 The components are arranged at intervals in the Y direction to obtain elastic waves at multiple locations on the side wall of the outer lock housing 21 near the door gap, thereby further improving detection efficiency and accuracy.

[0122] In some embodiments, a portion of the plurality of elastic wave sensors 10 disposed on the outer lock housing 21 are disposed on the inner side wall of the inner lock housing 22, and another portion are disposed on the inner side of the top wall of the outer lock housing 21 having a button touch area 215.

[0123] In some possible implementations, such as Figure 6 As shown, the outer lock housing 21 has a first cavity 211. The elastic wave sensor 10, which is disposed in the outer lock housing 21, is located inside the first cavity 211. The elastic wave sensor 10 is hidden and stored, which improves the aesthetics of the outer lock 110.

[0124] In some possible implementations, such as Figure 6As shown, the smart door lock 100 also includes a first circuit board 30, which is located inside the first cavity 211 and fixedly connected to the door lock housing 20. The first circuit board 30 is electrically connected to the elastic wave sensor 10 set on the outer lock housing 21 and to the control module 70, thereby reducing the difficulty of electrically connecting the elastic wave sensor 10 to the control module 70.

[0125] In some embodiments, at least one elastic wave sensor 10 disposed on the outer lock housing 21 is fixedly connected to the first circuit board 30, so that the elastic wave sensor 10 is fixedly connected to the outer lock housing 21 through the first circuit board 30.

[0126] In some embodiments, at least one elastic wave sensor 10 disposed on the outer lock housing 21 may also be bonded to the inner wall surface of the first cavity 211, and the elastic wave sensor 10 is directly connected to the outer lock housing 21.

[0127] In some embodiments, the elastic wave sensor 10 can be in direct contact with the outer lock housing 21, for example... Figure 6 or Figure 8 As shown.

[0128] In some embodiments, the elastic wave sensor 10 may also be in indirect contact with the outer lock housing 21.

[0129] In some possible implementations, such as Figure 4 As shown, the outer lock housing 21 includes an outer handle portion 212 and an outer body portion 213. The outer handle portion 212 and the outer body portion 213 are fixedly connected. The outer handle portion 212 and the outer body portion 213 form an outer handle space 214. The outer handle space 214 penetrates the outer lock housing 21 along the width direction of the outer lock housing 21. An elastic wave sensor 10 is provided on the outer handle portion 212.

[0130] Thus, the outer lock housing 21 has an outer handle space 214 for the user's fingers to insert, which reduces the difficulty for the user to hold the smart door lock 100 and improves the opening efficiency. In addition, an elastic wave sensor 10 is provided on the outer handle 212, which can detect the elastic wave generated by the outer handle 212 when the user holds it, thereby improving the detection efficiency.

[0131] The specific location of the elastic wave sensor 10 on the outer handle portion 212 is not limited here. In some embodiments, the outer handle portion has a button touch area 215. In this case, at least one elastic wave sensor 10 disposed on the outer handle portion 212 may be located inside the outer handle portion 212 and inside the button touch area 215. In some embodiments, at least one elastic wave sensor 10 disposed on the outer handle portion 212 is used to acquire elastic waves of at least one sidewall of the outer handle portion 212. For example, the elastic wave sensor 10 is disposed on the side of the outer handle portion 212 near the door gap and is used to acquire elastic waves of the sidewall of the outer handle portion 212 near the door gap.

[0132] In some embodiments, the first cavity 211 includes a first sub-cavity and a second sub-cavity, which are connected. The outer handle portion 212 has the first sub-cavity, and the outer body portion 213 has the second sub-cavity. The elastic wave sensor 10 disposed on the outer handle portion 212 can be disposed inside the first cavity 211. In this way, the elastic wave sensor 10 on the outer handle portion 212 can be hidden and stored, improving the aesthetics of the outer lock 110.

[0133] It should be noted that, in addition to the elastic wave sensor 10 being provided on the outer handle 212, in some embodiments, the elastic wave sensor 10 can also be provided on the outer body 213, which can further improve detection efficiency and detection accuracy.

[0134] In some embodiments, the elastic wave sensor 10 disposed on the outer body portion 213 is disposed inside the second sub-cavity and is used to acquire the elastic wave of the side wall of the outer body portion 213 near the door gap.

[0135] Figure 9 for Figure 4 A three-dimensional structural diagram showing the interaction between the external lock and the door panel.

[0136] In some embodiments, such as Figure 9 As shown, the outer handle portion 212 and the outer body portion 213 form an outer lock housing 21 with a ring structure. The orthographic projection of the outer lock housing 21 out of the plane perpendicular to the width direction of the outer lock housing 21 is ring-shaped.

[0137] Figure 10 This is a three-dimensional structural diagram of another external lock provided in an embodiment of this application.

[0138] In other embodiments, see Figure 10 As shown, one end of the outer handle portion 212 in the length direction of the outer lock housing 21 is connected to the outer body portion 213, and the other end of the outer handle portion 212 in the length direction of the outer lock housing 21 is a free end.

[0139] In some possible implementations, at least one elastic wave sensor 10 is provided on the inner lock housing 22. For example, three elastic wave sensors 10 are provided on the inner lock housing 22. Of course, the number of elastic wave sensors 10 provided on the inner lock housing 22 may be more or less than three.

[0140] In this way, the elastic wave sensor 10 installed in the inner lock housing 22 can obtain the elastic wave of the inner lock housing 22. The control module 70 can obtain the position where the user touches the inner lock housing 22 based on the elastic wave signal output by the elastic wave sensor 10. The control module 70 also determines whether the position where the user touches the inner lock housing 22 is in the danger zone on the side of the inner lock 120 near the door gap.

[0141] In some embodiments, a plurality of elastic wave sensors 10 are provided on the inner lock housing 22. These sensors 10 are positioned at different locations on the inner lock housing 22 to determine the location where the user touches the inner lock housing 22 based on the strength of the elastic wave signals sent to the control module 70 by the sensors 10. Furthermore, determining the position of the inner lock housing 22 by the strength of the elastic wave signals output by the multiple sensors 10 can also improve detection accuracy.

[0142] Figure 11 The diagrams illustrate the interaction between four smart door locks and door panels provided in the embodiments of this application. Figure 12 for Figure 11 A cross-sectional view along the CC direction.

[0143] In some possible implementations, an elastic wave sensor 10 disposed in the inner lock housing 22 is used to detect elastic waves generated by vibration of at least one side wall of the inner lock housing 22, for example... Figure 11 As shown, the elastic wave sensor 10 installed in the inner lock housing 22 is used to detect the elastic wave on the side wall of the inner lock housing 22 near the door gap.

[0144] In this way, by clicking or touching the side of the inner lock 120, it can be quickly determined whether the user's hand is in the danger zone near the door gap of the inner lock 120, thus improving detection efficiency.

[0145] In some embodiments, the elastic wave sensor 10 disposed in the inner lock housing 22 can also be used as a detection sensor for the indoor unlocking function of the smart door lock 100. When the user's hand is not in the danger zone on the side of the inner lock 120 near the door gap, the smart door lock 100 performs the unlocking operation.

[0146] In some embodiments, combined with Figure 11 and Figure 12It is known that the elastic wave sensor 10 installed in the inner lock housing 22 is arranged on the side of the inner lock housing 120 near the door gap, so that the elastic wave sensor 10 installed in the inner lock housing 22 can obtain the elastic wave of the side wall of the inner lock housing 22 near the door gap, and can directly detect whether the user's hand is in the danger zone, thereby improving detection efficiency and detection accuracy.

[0147] Multiple elastic wave sensors 10 are arranged at intervals along the length of the inner lock 120 to obtain elastic waves at multiple locations on the side wall of the inner lock housing 22 near the door gap, thereby further improving detection efficiency and detection accuracy.

[0148] It should be noted that, in addition to detecting elastic waves on the side walls of the inner lock housing 22, in some embodiments, a portion of the multiple elastic wave sensors 10 disposed on the inner lock housing 22 can be used to detect elastic waves on the side walls of the inner lock housing 22, while other portions can be used to detect elastic waves on the top wall of the inner lock housing 22 away from the door panel 200. Alternatively, in some embodiments, the elastic wave sensors 10 disposed on the inner lock housing 22 are used to detect elastic waves on the top wall of the inner lock housing 22 away from the door panel 200.

[0149] In some possible implementations, such as Figure 12 As shown, the inner lock housing 22 has a second cavity 221. The elastic wave sensor 10, which is disposed in the inner lock housing 22, is located inside the second cavity 221. The elastic wave sensor 10 is hidden and stored, which improves the aesthetics of the inner lock 120.

[0150] In some possible implementations, such as Figure 12 As shown, the smart door lock 100 also includes a second circuit board 60, which is located inside the second cavity 221 and fixedly connected to the door lock housing 20. The second circuit board 60 is electrically connected to the elastic wave sensor 10 set on the inner lock housing 22 and to the control module 70, reducing the difficulty of electrically connecting the elastic wave sensor 10 and the control module 70.

[0151] In some embodiments, such as Figure 12 As shown, at least one elastic wave sensor 10 disposed on the inner lock housing 22 is fixedly connected to the second circuit board 60, so that the elastic wave sensor 10 is fixedly connected to the inner lock housing 22 through the second circuit board 60.

[0152] In some embodiments, at least one elastic wave sensor 10 disposed on the inner lock housing 22 may also be bonded to the inner wall surface of the second cavity 221, and the elastic wave sensor 10 is directly connected to the inner lock housing 22.

[0153] In some embodiments, the elastic wave sensor 10 is in direct contact with the inner locking housing 22, for example... Figure 12 As shown.

[0154] In other embodiments, the elastic wave sensor 10 may also be in indirect contact with the inner lock housing.

[0155] In some possible implementations, such as Figure 11 As shown, the inner lock housing 22 includes an inner handle portion 222 and an inner body portion 223. The inner handle portion 222 and the inner body portion 223 are fixedly connected. The inner handle portion 222 and the inner body portion 223 form an inner handle space 224. The inner handle space 224 penetrates the inner lock housing 22 along the width direction of the inner lock housing 22. An elastic wave sensor 10 is provided on the inner handle portion 222.

[0156] Thus, the inner lock housing 22 has an inner handle space 224 for the user's fingers to insert, which reduces the difficulty for the user to hold the smart door lock 100 and improves the opening efficiency. In addition, an elastic wave sensor 10 is provided on the inner handle 222, which can detect the elastic wave generated by the inner handle 222 when the user holds the inner handle 222, thereby improving the detection efficiency.

[0157] The specific location of the elastic wave sensor 10 on the inner handle portion 222 is not limited here. In some embodiments, the elastic wave sensor 10 is provided on the side of the inner handle portion 222 away from the inner body portion 223 along the thickness direction of the inner lock housing 22. In some embodiments, the elastic wave sensor 10 provided on the inner handle portion 222 is used to acquire the elastic wave of at least one side wall of the inner handle portion 222. For example, the elastic wave sensor 10 is provided on the side of the inner handle portion 222 near the door gap and is used to acquire the elastic wave of the side wall of the inner handle portion 222 near the door gap.

[0158] In some embodiments, the second cavity 221 includes a third sub-cavity and a fourth sub-cavity, which are connected. In this case, the inner handle portion 222 has a third sub-cavity, and the inner body portion 223 has a fourth sub-cavity. The elastic wave sensor 10 disposed on the inner handle portion 222 can be disposed inside the second cavity 221. This allows for the concealment and storage of the elastic wave sensor 10 on the inner handle portion 222, improving the aesthetics of the inner lock 120.

[0159] It should be noted that, in addition to the elastic wave sensor 10 being provided on the inner handle portion 222, in some embodiments, the elastic wave sensor 10 can also be provided on the inner main body portion 223, which can further improve detection efficiency and detection accuracy.

[0160] In some embodiments, the elastic wave sensor 10 disposed in the inner main body 223 is disposed inside the fourth sub-cavity and is used to acquire the elastic wave of the side wall of the inner main body 223 near the door seam.

[0161] In some embodiments, such as Figure 11 As shown, the inner handle portion 222 and the inner body portion 223 form an inner lock housing 22 with a ring structure. The orthographic projection of the inner lock housing 22 into the plane perpendicular to the width direction of the inner lock housing 22 is ring-shaped.

[0162] In other embodiments, one end of the inner handle portion 222 along the length of the inner lock housing 22 is connected to the inner main body portion 223, and the other end of the inner handle portion 222 along the length of the inner lock housing 22 is a free end. The structure of the inner lock housing 22 formed by the inner handle portion 222 and the inner main body portion 223 is similar to... Figure 10 The structure of the outer lock housing 21 shown is similar.

[0163] In some possible implementations, the control module 70 includes a processor disposed inside the inner lock housing 22 and on the second circuit board 60. The processor is electrically connected to the elastic wave sensor 10 via the second circuit board 60. The processor can analyze and process the elastic wave signal output by the elastic wave sensor 10 to determine the specific location where the user touches the lock housing 20, and can also determine whether the specific location where the user touches the lock housing 20 is in a dangerous area, thereby controlling the actuator 80 to generate a prompt message.

[0164] Of course, in addition to the processor, the control module 70 may also include other components, such as storage.

[0165] It should be noted that, in addition to determining the position of the user touching the door lock housing 20, the control module 70 can also be used to control the opening and closing of the lock body 130, control the recording of the peephole camera, and other operations.

[0166] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, an indirect connection through an intermediate medium, or the internal connection of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances. The terms "first," "second," "third," "fourth," etc. (if present) are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0167] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of this application, and are not intended to limit them. Although the embodiments of this application have been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A smart door lock (100), characterized in that, It includes a door lock housing (20), a control module (70), an actuator (80), and at least one elastic wave sensor (10); The elastic wave sensor (10) is disposed on the door lock housing (20). The elastic wave sensor (10) and the actuator (80) are electrically connected to the control module (70). The elastic wave sensor (10) is used to detect the vibration of the door lock housing (20) and output the corresponding elastic wave signal. The control module (70) controls the actuator (80) according to the elastic wave signal.

2. The smart door lock (100) according to claim 1, characterized in that, The door lock housing (20) includes an outer lock housing (21) and an inner lock housing (22), wherein: At least one elastic wave sensor (10) is provided on the outer lock housing (21), and / or at least one elastic wave sensor (10) is provided on the inner lock housing (22).

3. The smart door lock (100) according to claim 2, characterized in that, The outer lock housing (21) is provided with a plurality of elastic wave sensors (10), which are disposed at different positions on the outer lock housing (21) to determine the position of the user touching the outer lock housing (21) based on the strength of the elastic wave signals sent to the control module (70) by the plurality of elastic wave sensors (10) on the outer lock housing (21); and / or, The inner lock housing (22) is provided with a plurality of elastic wave sensors (10), which are located at different positions on the inner lock housing (22) to determine the position where the user touches the inner lock housing (22) based on the strength of the elastic wave signals sent to the control module (70) by the plurality of elastic wave sensors (10) on the inner lock housing (22).

4. The smart door lock (100) according to claim 2, characterized in that, At least a portion of the at least one elastic wave sensor (10) disposed on the outer lock housing (21) is disposed inside the key touch area (215) of the outer lock housing (21); or, At least a portion of the at least one elastic wave sensor (10) disposed in the outer lock housing (21) is disposed on the inner side of the side wall of the outer lock housing (21).

5. The smart door lock (100) according to claim 4, characterized in that, The elastic wave sensor (10) disposed inside the button touch area (215) of the outer lock housing (21) includes a first elastic wave sensor, which is used as a touch sensor to realize the button function.

6. The smart door lock (100) according to claim 2, characterized in that, The outer lock housing (21) has a first cavity (211), and the elastic wave sensor (10) disposed in the outer lock housing (21) is located inside the first cavity (211).

7. The smart door lock (100) according to claim 2, characterized in that, The elastic wave sensor (10) disposed in the inner lock housing (22) is used to detect vibration of at least one side wall of the inner lock housing (22).

8. The smart door lock (100) according to claim 2, characterized in that, The inner lock housing (22) has a second cavity (221), and the elastic wave sensor (10) disposed in the inner lock housing (22) is located inside the second cavity (221).

9. The smart door lock (100) according to any one of claims 2-8, characterized in that, The outer lock housing (21) includes an outer handle portion (212) and an outer body portion (213). The outer handle portion (212) is fixedly connected to the outer body portion (213). The outer handle portion (212) and the outer body portion (213) form an outer handle space (214). The outer handle space (214) penetrates the outer lock housing (21) along the width direction of the outer lock housing (21). The elastic wave sensor (10) is provided on the outer handle portion (212).

10. The smart door lock (100) according to any one of claims 2-8, characterized in that, The inner lock housing (22) includes an inner handle portion (222) and an inner body portion (223). The inner handle portion (222) is fixedly connected to the inner body portion (223). The inner handle portion (222) and the inner body portion (223) form an inner handle space (224). The inner handle space (224) extends through the inner lock housing (22) along the width direction of the inner lock housing (22). The elastic wave sensor (10) is provided on the inner handle portion (222).

11. The smart door lock (100) according to any one of claims 1-8, characterized in that, The actuator (80) is a vibration motor, a door lock motor, or a speaker (40).

12. The smart door lock (100) according to claim 11, characterized in that, The number of the actuators (80) is at least two, and the at least two actuators (80) are of different types.

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