A smart door lock

Abstract

This utility model relates to the field of door lock technology and discloses an intelligent door lock. The intelligent door lock includes a lock body, an electrical device, and an emergency power generation device. The electrical device is installed on the lock body. The emergency power generation device includes a magnet, a metal component, an emergency power storage module, and a drive module. The magnet is installed on the lock body; the metal component is located in the magnetic field of the magnet; the emergency power storage module is installed on the lock body; the input end of the emergency power storage module is electrically connected to the metal component; the output end of the emergency power storage module is electrically connected to the electrical device; the drive module is installed on the lock body; the drive module is connected to the metal component and is used to drive the metal component to reciprocate along a first direction, so that the metal component charges the emergency power storage module; the first direction is not parallel to the direction of the magnetic field lines of the magnet. The emergency power storage module can provide a stable current to the electrical device, improving the stability and reliability of the power supply, and solving the problem of poor reliability of emergency unlocking schemes in existing intelligent door locks.

Description

Technical Field

[0001] This utility model relates to the field of door lock technology, and in particular to an intelligent door lock. Background Technology

[0002] Most smart door locks currently use battery power. Because door locks consume a lot of energy, batteries need to be replaced frequently. Sometimes users forget to replace the batteries. To address this situation, existing technologies provide the following emergency solutions.

[0003] Option 1 requires using a mechanical key for emergency unlocking, but this is impractical because one of the functions of a smart lock is to allow users to leave home without carrying a mechanical key. Option 2 uses USB emergency power, but this requires users to carry a power bank and data cable, which is also impractical. Option 3 incorporates a generator within the smart lock; through a transmission process, the power from the user turning the handle is transferred to the generator, causing it to move rapidly and supply power to the smart lock's electrical module. However, this emergency solution requires the generator to move rapidly and continuously, resulting in a poor user experience over extended periods; the rotation speed and force of the handle are determined by the user's operation, and different users apply varying degrees of force and rotation speed, leading to unstable power generation. In emergencies, insufficient power generation may not be enough to unlock the smart lock. Furthermore, generating power by rotating or shaking the handle frequently can cause wear and tear on mechanical parts, affecting the handle's lifespan and reducing reliability. The internal space of a smart lock is limited; integrating a generator and transmission device into the handle would occupy too much space, affecting the overall design and functionality of the lock, increasing design and manufacturing complexity, and raising maintenance costs.

[0004] Therefore, how to provide a reliable emergency unlocking solution is an urgent problem that the industry needs to solve. Utility Model Content

[0005] This invention provides a smart door lock to solve the problem of poor reliability of emergency unlocking schemes in existing smart door locks.

[0006] This utility model provides an intelligent door lock, including a door lock body, an electrical device, and an emergency power generation device; the electrical device is installed on the door lock body; the emergency power generation device includes:

[0007] Magnets are installed on the door lock body;

[0008] A metal component is located in the magnetic field of the magnet;

[0009] An emergency power storage module is installed on the door lock body; the input terminal of the emergency power storage module is electrically connected to the metal component; the output terminal of the emergency power storage module is electrically connected to the electrical equipment.

[0010] A drive module is installed on the door lock body; the drive module is connected to the metal part and is used to drive the metal part to reciprocate along a first direction, so that the metal part charges the emergency power storage module; the first direction is not parallel to the direction of the magnetic field lines of the magnet.

[0011] According to the smart door lock provided by this utility model, the driving module includes a first driving component, the first driving component including:

[0012] A transmission structure, one end of which is connected to the metal component;

[0013] The first driving component is connected to the other end of the transmission structure and is used to drive the metal component to reciprocate along the first direction through the transmission structure.

[0014] According to the smart door lock provided by this utility model, the transmission structure includes:

[0015] The limiting component is installed on the door lock body;

[0016] The second link slides in a first direction with the limiting member; one end of the second link is connected to the metal part.

[0017] The first link has a first driving member connected to one end of it for driving the first link to rotate; the other end of the first link is hinged to the other end of the second link.

[0018] According to the smart door lock provided by this utility model, the first driving component includes:

[0019] The pivot is connected to the first connecting rod;

[0020] A spring is fitted onto the pivot; the front end of the spring is connected to the pivot, and the rear end of the spring is connected to the door lock body.

[0021] According to the smart door lock provided by this utility model, the first driving component further includes:

[0022] A rotating cylinder is rotatably assembled with the door lock body; both the rotating shaft and the mainspring are located inside the rotating cylinder; one end of the rotating shaft is rotatably engaged with the rotating cylinder; the tail end of the mainspring is connected to the rotating cylinder.

[0023] A pull rope is wound around the outer side of the rotating drum along its circumference to drive the rotating drum to rotate in the forward direction and tighten the mainspring.

[0024] A ratchet locking mechanism is provided, wherein the other end of the rotating shaft is connected to the first connecting rod via the ratchet locking mechanism. The ratchet locking mechanism is used to restrict the forward rotation of the rotating shaft and cause the rotating shaft to rotate in the reverse direction.

[0025] According to the smart door lock provided by this utility model, the drive module further includes:

[0026] The second drive assembly is connected to the metal part; the second drive assembly slides in cooperation with the door lock body along the first direction.

[0027] According to the smart door lock provided by this utility model, the door lock body includes a shell; the shell has a mounting cavity and a first opening; the magnet and the metal part are both located in the mounting cavity; the second driving assembly includes:

[0028] A connector is located within the first opening; the connector slides in conjunction with the outer shell along a first direction; one end of the connector is connected to the metal component;

[0029] Pull out the handle and connect it to the other end of the connector.

[0030] According to the smart door lock provided by this utility model, the emergency power storage module includes:

[0031] A rectifier circuit, wherein the input terminal of the rectifier circuit is electrically connected to the metal component;

[0032] A filter circuit, wherein the input terminal of the filter circuit is electrically connected to the output terminal of the rectifier circuit;

[0033] A voltage regulator circuit, wherein the input terminal of the voltage regulator circuit is electrically connected to the output terminal of the filter circuit;

[0034] An emergency storage battery is provided, with its input terminal electrically connected to the output terminal of the voltage regulator circuit and its output terminal electrically connected to the electrical equipment, for supplying power to the electrical equipment.

[0035] According to the smart door lock provided by this utility model, the electrical device includes:

[0036] The low-power module includes at least one of a fingerprint recognition unit, a password input unit, or an NFC-enabled unlocking unit.

[0037] According to the smart door lock provided by this utility model, the smart door lock further includes a main power supply; the electrical device further includes:

[0038] High-power consumption modules, including a face recognition unit;

[0039] The first output terminal of the main power supply is electrically connected to the output terminal of the emergency energy storage module; the low-power power module is electrically connected to both the first output terminal of the main power supply and the output terminal of the emergency energy storage module; and the high-power power module is electrically connected to the second output terminal of the main power supply.

[0040] The smart door lock provided by this utility model installs a magnet on the lock body and arranges a metal component within the magnet's magnetic field. A drive module drives the metal component to reciprocate in a first direction, charging an emergency power storage module. The output of the emergency power storage module is then electrically connected to the device being used, supplying power and enabling emergency unlocking of the smart door lock. This design eliminates the need for an external power source or a mechanical key, ensuring normal unlocking even in the event of a sudden power outage. This magnetoelectric power supply method does not consume chemical energy, making it more environmentally friendly and reducing pollution. The emergency power storage module provides a stable current to the device, improving power supply stability and reliability, and solving the problem of poor reliability in existing smart door lock emergency unlocking solutions. Attached Figure Description

[0041] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0042] Figure 1 This is one of the structural schematic diagrams of the smart door lock provided by this utility model.

[0043] Figure 2 This is the second structural schematic diagram of the smart door lock provided by this utility model.

[0044] Figure 3 This is a schematic diagram of the emergency power generation device provided by this utility model.

[0045] Figure 4 This is one of the structural schematic diagrams of the first drive component of the emergency power generation device provided by this utility model.

[0046] Figure 5 This is the second schematic diagram of the structure of the first drive component of the emergency power generation device provided by this utility model.

[0047] Figure 6 This is a schematic diagram of the motion of the rotating structure when the first driving component of the emergency power generation device provided by this utility model drives the transmission structure to rotate.

[0048] Figure 7 This is a schematic diagram of the structure of the connecting part of the second drive component of the emergency power generation device provided by this utility model, which is assembled with the side wall of the first opening by ball bearings.

[0049] Figure 8 This is a schematic diagram of the structure of the emergency energy storage module of the emergency power generation device provided by this utility model.

[0050] Figure 9 This is a structural diagram of the emergency energy storage module, main power supply, and electrical equipment provided by this utility model.

[0051] Figure label:

[0052] 20. Door lock body;

[0053] 100. Magnet; 200. Metal part; 400. Drive module; 410. First drive assembly; 420. Second drive assembly; 411. First drive component; 412. Transmission structure; 421. Pull-out handle; 422. Connector; 4111. Shaft; 4112. Spring; 4113. Rotary drum; 4114. Pull cord; 4115. Turntable; 4121. Limiting component; 4122. First connecting rod; 4123. Second connecting rod. Detailed Implementation

[0054] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0055] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0056] In this embodiment of the utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0057] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0058] The following is combined Figures 1 to 9 This invention provides a detailed description of the smart door lock.

[0059] like Figures 1 to 9 As shown, a specific embodiment of this utility model provides a smart door lock. The smart door lock includes a lock body 20, an electrical device, and an emergency power generation device. The electrical device is installed on the lock body 20. The emergency power generation device includes a magnet 100, a metal component 200, an emergency energy storage module, and a drive module 400; the magnet 100 is installed on the lock body 20; the metal component 200 is located in the magnetic field of the magnet 100; the emergency energy storage module is installed on the lock body 20; the input end of the emergency energy storage module is electrically connected to the metal component 200; the output end of the emergency energy storage module is electrically connected to the electrical device; the drive module 400 is installed on the lock body 20; the drive module 400 is connected to the metal component 200 and is used to drive the metal component 200 to reciprocate along a first direction, so that the metal component 200 charges the emergency energy storage module; the first direction is not parallel to the magnetic field lines of the magnet 100.

[0060] In this embodiment, by installing a magnet 100 on the door lock body 20 and placing a metal part 200 in the magnetic field of the magnet 100, and by setting a drive module 400, the metal part 200 can be driven to reciprocate along a first direction, allowing the metal part 200 to charge the emergency power storage module. Furthermore, by electrically connecting the output terminal of the emergency power storage module to the electrical device, power is supplied to the device, thus enabling emergency unlocking of the smart door lock. This design eliminates the need for external power supply in case of a power outage and the use of a mechanical key, ensuring normal door opening even in the event of a sudden power failure. This magnetoelectric power supply method does not consume chemical energy, making it more environmentally friendly and reducing pollution. The emergency power storage module provides a stable current to the electrical device, improving the stability and reliability of the power supply and solving the problem of poor reliability in existing emergency unlocking schemes for smart door locks.

[0061] Optionally, the drive module 400 is used to drive the metal part 200 to move along the direction of cutting magnetic field lines.

[0062] It is understood that the emergency power generation device can be installed on the outside of the door lock body 20 or inside the door lock body 20. Preferably, the emergency power generation device is at least partially installed inside the door lock body 20, making the smart door lock more aesthetically pleasing.

[0063] Specifically, the door lock body 20 includes a housing and a handle; the housing has a mounting cavity; the mounting cavity provides installation space for electrical equipment and emergency power generation devices; the handle is installed on the housing for easy gripping and opening the door.

[0064] like Figure 8 As shown, the emergency energy storage module further includes a rectifier circuit, a filter circuit, a voltage regulator circuit, and an emergency battery. The input terminal of the rectifier circuit is electrically connected to the metal component 200; the input terminal of the filter circuit is electrically connected to the output terminal of the rectifier circuit; the input terminal of the voltage regulator circuit is electrically connected to the output terminal of the filter circuit; the input terminal of the emergency battery is electrically connected to the output terminal of the voltage regulator circuit, and the output terminal of the emergency battery is electrically connected to the electrical equipment. By setting the rectified current, the AC power output from the metal component 200 can be converted into DC power; the filter circuit is used to filter out noise; the voltage regulator circuit is used to stabilize the voltage; and the emergency battery is used to store electrical energy and provide a stable current to the electrical equipment.

[0065] Optionally, the rectifier circuit includes a bridge rectifier.

[0066] Optionally, the filtering circuit includes a filter capacitor.

[0067] Optionally, the voltage regulation circuit includes a voltage regulator.

[0068] Optional emergency batteries include lithium batteries.

[0069] Furthermore, the emergency energy storage module also includes a charge / discharge management chip; the output of the voltage regulator circuit is electrically connected to the input of the emergency battery through the charge / discharge management chip. By incorporating the charge / discharge management chip, overcharging of the emergency battery can be avoided, thus extending its lifespan.

[0070] like Figure 3 As shown in the schematic diagram of the emergency power generation device, magnet 100 has a south pole (S pole) and a north pole (N pole); magnet 100 is fixedly installed on door lock body 20; metal component 200 is located in the magnetic field formed by the south and north poles, and metal component 200 and emergency power storage module form a closed loop. When metal component 200 moves along the first direction, preferably, when metal component 200 moves along the direction of cutting magnetic field lines, metal component 200 generates current, and the current flows to emergency power storage module to achieve the purpose of charging emergency power storage module.

[0071] like Figure 9 As shown, in some embodiments, the power device includes a low-power module, which includes at least one of a fingerprint recognition unit, a password input unit, or an NFC-enabled unlocking unit. This design allows the smart lock to be equipped with a small-capacity emergency power storage module, thus reducing costs.

[0072] Specifically, the output terminal of the emergency storage battery is electrically connected to the low-power module to supply power to the low-power module.

[0073] Furthermore, the smart door lock also includes a main power supply; the electrical equipment also includes a high-power power module; the high-power power module includes a face recognition unit; the first output terminal of the main power supply is electrically connected to the output terminal of the emergency power storage module, the low-power power module is electrically connected to the first output terminal of the main power supply and the output terminal of the emergency power storage module; the high-power power module is electrically connected to the second output terminal of the main power supply.

[0074] Optionally, the output of the emergency power storage module is electrically connected to the low-power module of the device via a first switching circuit; the main power supply is electrically connected to the low-power power storage module via a second switching circuit; the first and second switching circuits are connected in parallel. By configuring the switching circuits, the power supply for the low-power module can be selected according to actual needs. For example, when the main power supply is depleted and an emergency unlocking is required, the current in the second switching circuit is cut off, the current in the first switching circuit is turned on, and the emergency power storage module supplies power to the low-power module. When the main power supply has power, the current in the first switching circuit is cut off, the current in the second switching circuit is turned on, and the main power supply supplies power to the low-power module.

[0075] Optionally, the first switching circuit includes a first switch K1 or a first MOS transistor (metal-oxide-semiconductor field-effect transistor).

[0076] Optionally, the second switching circuit includes a second switch K2 or a second MOS transistor (metal-oxide-semiconductor field-effect transistor).

[0077] like Figure 9 As shown, specifically, the output of the emergency power storage module is electrically connected to the low-power module of the device via a first switch K1; the main power supply is electrically connected to the low-power module of the device via a second switch K2. When the main power supply has power and needs to supply power to the device, the second switch K2 is closed, the first switch K1 is open, and the main power supply supplies power to the device. When the main power supply is depleted, the first switch K1 is closed, the second switch K2 is open, and the emergency power storage module of the emergency generator supplies power to the device. The second output of the main power supply is electrically connected to the high-power module.

[0078] Furthermore, the main power source includes a lithium battery.

[0079] like Figures 4 to 6 As shown, in some embodiments, the drive module 400 includes a first drive component 410; the first drive component 410 includes a transmission structure 412 and a first drive member 411; one end of the transmission structure 412 is connected to the metal part 200; the first drive member 411 is connected to the other end of the transmission structure 412, and is used to drive the metal part 200 to reciprocate along a first direction through the transmission structure 412.

[0080] In this embodiment, the output of the first driving component 411 is converted into linear motion in a specific direction by the transmission structure 412, ensuring that the metal component 200 can move along a preset trajectory and avoiding energy loss caused by skewness. This separate design of the first driving component 411 and the transmission structure 412 facilitates individual repair or replacement of components, reducing maintenance costs. For example, the transmission structure 412 can be retained if the first driving component 411 is damaged. The transmission structure 412 is flexibly adjustable to adapt to metal components 200 of different sizes or magnetic field environments, eliminating the need to redesign the driving component and enhancing system versatility.

[0081] Optionally, the first driving member 411 drives the metal part 200 to move along the direction of cutting magnetic field lines through the transmission structure 412.

[0082] like Figure 4 and Figure 6As shown, the transmission structure 412 further includes a limiting member 4121, a first connecting rod 4122, and a second connecting rod 4123; the limiting member 4121 is installed on the door lock body 20; the second connecting rod 4123 is slidably engaged with the limiting member 4121 in a first direction; one end of the second connecting rod 4123 is connected to the metal part 200; the first driving member 411 is connected to one end of the first connecting rod 4122 and is used to drive the first connecting rod 4122 to rotate; the other end of the first connecting rod 4122 is hinged to the other end of the second connecting rod 4123.

[0083] In this embodiment, the sliding engagement between the second link 4123 and the limiting member 4121 along the first direction ensures that the second link 4123 and the metal part 200 can only move along a preset path, avoiding swaying or jamming. The rotation of the first driving member 411 is converted into the sliding of the second link 4123 through the first link 4122. By adjusting the length ratio of the two links, the torque of the first driving member 411 can be amplified or the movement speed can be changed, thus expanding the applicable range.

[0084] Specifically, the magnet 100, metal part 200, and transmission structure 412 are all installed inside the mounting cavity of the outer casing. This improves the aesthetics of the smart door lock, and the mounting cavity protects the magnet 100, metal part 200, and transmission structure 412, extending their service life.

[0085] Optionally, the second link 4123 is an insulating link. For example, the second link 4123 is a plastic link.

[0086] In some embodiments, the first drive member 411 includes a rotating shaft 4111 and a spring 4112; the rotating shaft 4111 is connected to the first connecting rod 4122; the spring 4112 is sleeved on the rotating shaft 4111; the front end of the spring 4112 is connected to the rotating shaft 4111, and the tail end of the spring 4112 is connected to the door lock body 20.

[0087] In this embodiment, when an external force is applied to the rotating shaft 4111 to make it rotate in the forward direction, the spring 4112 will tighten; when the external force is removed, the tightened spring 4112 will drive the rotating shaft 4111 to rotate in the reverse direction. Whether rotating in the forward or reverse direction, the rotating shaft 4111 will drive the metal part 200 to reciprocate along the first direction through the transmission structure 412, thus continuously generating current to charge the emergency power storage module.

[0088] Specifically, the rotating shaft 4111 is rotatably mounted within the mounting cavity of the outer casing. To facilitate direct manual rotation of the rotating shaft 4111, its operating end is located on the outside of the outer casing. The spring 4112 is a wound metal strip; it is sleeved on the rotating shaft 4111, with its front end connected to the shaft 4111 and its other end connected to the outer casing. When an external force is applied to the rotating shaft 4111 to cause it to rotate forward, the spring 4112 will tighten because the outer casing is fixedly mounted on the door. When the external force is removed, the tightened spring 4112 drives the rotating shaft 4111 to rotate in the opposite direction.

[0089] like Figure 4 As shown, the first driving component 411 further includes a rotating drum 4113, a pull rope 4114, and a ratchet locking mechanism (not shown in the figure); the rotating drum 4113 is rotatably assembled with the door lock body 20; the rotating shaft 4111 and the mainspring 4112 are both located inside the rotating drum 4113; one end of the rotating shaft 4111 is rotatably engaged with the rotating drum 4113; the tail end of the mainspring 4112 is connected to the rotating drum 4113; the pull rope 4114 is wound around the outer side of the rotating drum 4113 circumferentially, used to drive the rotating drum 4113 to rotate forward, so that the mainspring 4112 is tightened. The other end of the rotating shaft 4111 is connected to the first connecting rod 4122 through the ratchet locking mechanism, which is used to restrict the forward rotation of the rotating shaft 4111 and cause the rotating shaft 4111 to rotate in the opposite direction. Specifically, the rotating drum 4113 and the ratchet locking mechanism are located in the mounting cavity of the housing. The free end of the pull rope 4114 is located outside the mounting cavity for easy operation. The other end of the rotating shaft 4111 is connected to the first connecting rod 4122 via a ratchet locking mechanism. When the pull rope 4114 is pulled downwards, the pull rope 4114 drives the rotating drum 4113 to rotate in the forward direction relative to the rotating shaft 4111 (at this time, the rotating shaft 4111 cannot rotate due to the limitation of the ratchet locking mechanism), and the spring 4112 is tightened. After the pulling force is released, the tightened spring 4112 drives the rotating shaft 4111 to rotate in the reverse direction. At this time, the ratchet locking mechanism does not restrict the reverse rotation of the rotating shaft 4111. The rotating shaft 4111 drives the first connecting rod 4122 to rotate, and the first connecting rod 4122 drives the metal part 200 to reciprocate in the first direction through the second connecting rod 4123.

[0090] Furthermore, the first driving component 411 also includes a turntable 4115; the rotating shaft 4111 is connected to one side of the turntable 4115, and the other side of the turntable 4115 is hinged to the first connecting rod 4122. By setting the turntable 4115, it is convenient to connect the first connecting rod 4122 to the rotating shaft 4111.

[0091] It should be noted that the ratchet locking mechanism is existing technology and will not be described in detail in this embodiment.

[0092] like Figure 1 and Figure 2As shown, in some embodiments, the drive module 400 further includes a second drive component 420; the second drive component 420 is connected to the metal part 200; the second drive component 420 is slidably engaged with the door lock body 20 along a first direction.

[0093] In this embodiment, the first drive component 410 provides basic mechanical power, while the second drive component 420 can serve as an auxiliary or emergency drive source. The two components work in conjunction or independently to prevent a single failure from causing the emergency unlocking solution to fail.

[0094] Furthermore, the door lock body 20 includes a housing; the housing has an installation cavity and a first opening; the magnet 100 and the metal part 200 are both located in the installation cavity; the second drive assembly 420 includes a connector 422 and a pull handle 421; the connector 422 is located in the first opening; the connector 422 slides with the housing in a first direction; one end of the connector 422 is connected to the metal part 200; the pull handle 421 is connected to the other end of the connector 422. The installation cavity encapsulates precision components such as the magnet 100 and the metal part 200 within the housing, preventing direct interference from dust, moisture, or external forces, thus extending their service life. The connector 422 slides through the first opening, which restricts its movement in the first direction, preventing skewing or jamming and ensuring operational stability. Users can directly operate the pull handle 421 to pull the metal part 200 in the first direction via the connector 422, achieving purely mechanical emergency unlocking. This power generation method is simple and intuitive, requiring no professional knowledge, and ordinary users can complete the power generation process themselves.

[0095] like Figure 7 As shown, the pull handle 421 further has a recessed portion in the middle; the recessed portion is for contact with the hand and is easy to grip. Preferably, the recessed portion has a non-slip frosted surface to improve friction.

[0096] Furthermore, when the pull handle 421 is inserted into the first opening, the outer side of the pull handle 421 is flush with the outer side of the outer shell, improving the aesthetics of the smart door lock.

[0097] Furthermore, the connecting piece 422 and the side wall of the first opening are engaged by ball bearings to reduce friction and make the pulling process smoother and less strenuous.

[0098] like Figure 7 As shown, furthermore, a recessed groove is formed on one side of the connector 422 facing the first opening along the first direction, and the recessed groove engages with the rolling ball. This design not only reduces friction, making the pulling smoother and less strenuous, but also prevents the second drive assembly 420 from completely dislodging from the first opening, effectively preventing loss.

[0099] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has 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 of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A smart door lock, characterized in that, Includes a door lock body (20), electrical equipment, and an emergency power generation device; the electrical equipment is installed on the door lock body (20); the emergency power generation device includes: A magnet (100) is installed on the door lock body (20); The metal part (200) is located in the magnetic field of the magnet (100); An emergency energy storage module is installed on the door lock body (20); the input end of the emergency energy storage module is electrically connected to the metal part (200); the output end of the emergency energy storage module is electrically connected to the electrical equipment. A drive module (400) is installed on the door lock body (20); the drive module (400) is connected to the metal part (200) and is used to drive the metal part (200) to reciprocate along a first direction so that the metal part (200) charges the emergency power storage module; the first direction is not parallel to the magnetic field line direction of the magnet (100).

2. The smart door lock according to claim 1, characterized in that, The drive module (400) includes a first drive component (410), the first drive component (410) including: A transmission structure (412), one end of which is connected to the metal part (200); The first driving member (411) is connected to the other end of the transmission structure (412) and is used to drive the metal part (200) to reciprocate along the first direction through the transmission structure (412).

3. The smart door lock according to claim 2, characterized in that, The transmission structure (412) includes: A limiting element (4121) is installed on the door lock body (20). The second link (4123) is slidably engaged with the limiting member (4121) in the first direction; one end of the second link (4123) is connected to the metal part (200); The first link (4122) is connected to one end of the first drive member (411) and is used to drive the first link (4122) to rotate; the other end of the first link (4122) is hinged to the other end of the second link (4123).

4. The smart door lock according to claim 3, characterized in that, The first driving element (411) includes: The rotating shaft (4111) is connected to the first connecting rod (4122); A spring (4112) is fitted onto the rotating shaft (4111); the front end of the spring (4112) is connected to the rotating shaft (4111), and the rear end of the spring (4112) is connected to the door lock body (20).

5. The smart door lock according to claim 4, characterized in that, The first drive unit (411) further includes: A rotating cylinder (4113) is rotatably assembled with the door lock body (20); the rotating shaft (4111) and the mainspring (4112) are both located inside the rotating cylinder (4113); one end of the rotating shaft (4111) is rotatably engaged with the rotating cylinder (4113); the tail end of the mainspring (4112) is connected to the rotating cylinder (4113); A pull rope (4114) is wound around the outer side of the rotating drum (4113) along the circumference to drive the rotating drum (4113) to rotate in the forward direction and tighten the spring (4112); A ratchet locking mechanism is provided, wherein the other end of the rotating shaft (4111) is connected to the first connecting rod (4122) through the ratchet locking mechanism. The ratchet locking mechanism is used to restrict the forward rotation of the rotating shaft (4111) and cause the rotating shaft (4111) to rotate in the reverse direction.

6. The smart door lock according to claim 2, characterized in that, The drive module (400) also includes: The second drive assembly (420) is connected to the metal part (200); the second drive assembly (420) and the door lock body (20) slide in a first direction.

7. The smart door lock according to claim 6, characterized in that, The door lock body (20) includes a housing; the housing has a mounting cavity and a first opening; the magnet (100) and the metal part (200) are both located in the mounting cavity; the second drive assembly (420) includes: A connector (422) is located inside the first opening; the connector (422) is slidably engaged with the outer shell along a first direction; one end of the connector (422) is connected to the metal part (200); The pull handle (421) is connected to the other end of the connector (422).

8. The smart door lock according to claim 1, characterized in that, The emergency energy storage module includes: A rectifier circuit, the input terminal of which is electrically connected to the metal component (200); A filter circuit, wherein the input terminal of the filter circuit is electrically connected to the output terminal of the rectifier circuit; A voltage regulator circuit, wherein the input terminal of the voltage regulator circuit is electrically connected to the output terminal of the filter circuit; An emergency storage battery is provided, with its input terminal electrically connected to the output terminal of the voltage regulator circuit and its output terminal electrically connected to the electrical equipment, for supplying power to the electrical equipment.

9. The smart door lock according to any one of claims 1 to 8, characterized in that, The electrical equipment includes: The low-power module includes at least one of a fingerprint recognition unit, a password input unit, or an NFC-enabled unlocking unit.

10. The smart door lock according to claim 9, characterized in that, The smart door lock also includes a main power supply; the electrical equipment also includes: High-power consumption modules, including a face recognition unit; The first output terminal of the main power supply is electrically connected to the output terminal of the emergency energy storage module; the low-power power module is electrically connected to both the first output terminal of the main power supply and the output terminal of the emergency energy storage module; and the high-power power module is electrically connected to the second output terminal of the main power supply.

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