Intelligent door lock

Abstract

The utility model discloses an intelligent door lock which comprises a handle, a lock body, a main control module, a first UWB module and a grabbing detection module, the main control module is electrically connected with the first UWB module and the grabbing detection module, the grabbing detection module is arranged on the handle, and the grabbing detection module is used for triggering a grabbing detection signal when a user grabs the handle; the first UWB module is used for performing signal authentication with a second UWB module held by a user; and the main control module is used for sending an unlocking instruction to the lock body after acquiring the grabbing detection signal and the UWB authentication signal, so that the lock body performs unlocking operation. According to the invention, the problem of wrong unlocking of the intelligent door lock with the UWB module due to non-unlocking authentication is solved.

Description

Technical Field

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

[0002] For smart locks, users can unlock them using methods such as password input, fingerprint recognition, and facial recognition. However, unlocking using these methods requires collecting the user's input password, fingerprint, and facial biometric information, and comparing this information with pre-stored information within the smart lock. If the information matches, the unlocking operation is performed. However, in practice, inaccurate biometric information collection can affect the user's unlocking process. To solve this problem and enable users to unlock more smoothly, existing technology provides an unlocking method that does not require collecting user biometric information. In this unlocking method, a first UWB module is integrated into the smart lock and the user's smartwatch or smartphone, and the smart lock and the user's electronic device are paired. When unlocking is performed, if the user is detected near the smart lock and receives a UWB unlocking signal from the paired electronic device, the unlocking operation is initiated.

[0003] However, in practice, even if a user is near the smart lock and receives a UWB unlock signal, it does not necessarily mean that the user intends to unlock the door. This results in the defect that the user may unlock the door incorrectly even if they do not intend to do so. Utility Model Content

[0004] The purpose of this application is to provide a smart door lock that can solve the problem of erroneous unlocking without proper authentication when a smart door lock with a UWB module is used.

[0005] The embodiments of this application are implemented as follows:

[0006] This application provides a smart door lock, which includes a handle, a lock body, a main control module, a first UWB module, and a grip detection module. The main control module is electrically connected to the first UWB module and the grip detection module. The grip detection module is located on the handle and is used to trigger a grip detection signal when the user grips the handle. The first UWB module is used to perform signal authentication with a second UWB module held by the user. After acquiring the grip detection signal and the UWB authentication signal, the main control module sends an unlocking command to the lock body to enable the lock body to unlock.

[0007] In one embodiment, the grip detection module is a proximity detection module, used to trigger a grip detection signal based on the distance between the user's hand and the handle.

[0008] In one embodiment, the smart lock also includes a lock cylinder that can be linked with the lock body.

[0009] In one embodiment, the smart lock further includes a front lock located on the outside of the door, with a mounting hole and a lock cylinder cover on the outer surface of the front lock; the lock cylinder has a keyhole for inserting a mechanical key, the keyhole being located inside the front lock and aligned with the mounting hole; the lock cylinder cover has a first position located inside the mounting hole and a second position disengaged from the mounting hole.

[0010] In one embodiment, the smart door lock further includes a flip-cover detection module located inside the front lock, aligned with the mounting hole and electrically connected to the main control module. When the lock cylinder cover is in a first position, it contacts the flip-cover detection module, and when the lock cylinder cover is in a second position, it separates from the flip-cover detection module.

[0011] In one embodiment, the front lock also has an information acquisition module electrically connected to the main control module. The information acquisition module acquires the biological information input by the user and sends the biological information to the main control module.

[0012] In one embodiment, the front lock also has an anti-pry detection module electrically connected to the main control module, which is used to trigger an alarm signal when the smart door lock is loose, and the main control module outputs alarm information after obtaining the alarm signal.

[0013] In one embodiment, the smart door lock further includes a rear lock located inside the door body. The rear lock has an opening detection module and an electrical unlock button that are electrically connected to the main control module. The opening detection module is used to trigger a request unlock signal when the user presses the electrical unlock button. After the main control module obtains the request unlock signal, it sends an unlock command to the lock body to enable the lock body to perform an unlocking operation.

[0014] In one embodiment, the rear lock also has a mechanical unlocking knob that can be linked with the lock body.

[0015] In one embodiment, the rear lock also has a deadbolt knob, which has a first locking part and a second locking part on the lock body. When the deadbolt knob is rotated to the deadbolt position, the first locking part and the second locking part cooperate to lock the lock body.

[0016] The advantages of this application compared to the prior art are:

[0017] In this application, a grip detection module is set on the smart door lock, and the grip detection module detects whether the user is gripping the handle. The grip detection signal of the user gripping the handle represents the user's unlocking intention, which solves the problem of erroneous unlocking without unlocking authentication in smart door locks with UWB modules, and improves the unlocking accuracy and user experience. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the electrical connections of the various modules within the smart door lock shown in this application;

[0020] Figure 2 This is a cross-sectional schematic diagram of the smart door lock shown in this application;

[0021] Figure 3 This is an exploded schematic diagram of the front lock shown in this application;

[0022] Figure 4 This is an exploded schematic diagram of the rear lock shown in this application.

[0023] Figure label:

[0024] 10-Smart door lock; 100-Front lock; 200-Rear lock; 300-Lock body; 400-Lock cylinder; 1001-Handle cover plate; 1002-Adapter plate; 1003-Information acquisition module; 1004-Grip detection module; 1005-Flip cover detection module; 1006-Magnet; 1007-Detection mounting bracket; 1008-Lock cylinder cover; 1009-Anti-pry detection module; 1010-Threaded bushing; 1011-Front cover plate; 1012-Handle; 1013-First UWB module; 1014-First groove; 2001-Cover body; 2002-Lithium battery; 2003-Rear lock shell; 2004-Unlock button; 2005-Mechanical unlock knob; 2006-Dock knob; 2007- Main control module; 2008 - Door opening detection module; 2009 - Rear lock bracket; 2010 - Screw; 2011 - Rear sealing plate; 4001 - Unlocking block; 4002 - Drive plate; 10011 - Fifth through hole; 10012 - First mounting hole; 10121 - First through hole; 10122 - Second through hole; 10123 - Wiring hole; 10071 - Third through hole; 10072 - Fourth through hole; 10081 - Mounting post; 20031 - Hand grip; 20032 - Second mounting hole; 20051 - Knob body; 20052 - Rotation shaft; 20061 - Knob body; 20062 - Anti-lock plate; 20091 - Battery compartment; 20092 - Power supply plug; 20111 - Cable outlet hole. Detailed Implementation

[0025] The terms “first,” “second,” “third,” etc., are used only for distinguishing descriptions and do not indicate a sequence number, nor should they be interpreted as indicating or implying relative importance.

[0026] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0027] In the description of this application, it should be noted that the terms "inner", "outer", "left", "right", "upper", "lower", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0028] In the description of this application, unless otherwise expressly specified and limited, the terms “set up,” “install,” “connect,” and “link” shall be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; as a mechanical connection or an electrical connection; as a direct connection or an indirect connection through an intermediate medium; or as a connection within two components.

[0029] The technical solution of this application will now be clearly and completely described with reference to the accompanying drawings.

[0030] This embodiment provides a smart door lock 10, which can be applied to an object that needs to be locked, such as a user's residence, a user's car, or a safe or similar cabinet. The smart door lock 10 is installed on the door of the object to be locked. In the following embodiments, the inner side of the door refers to the side of the door closer to the interior space of the object to be locked; the outer side of the door refers to the side of the door away from the interior space of the object to be locked.

[0031] The smart door lock 10 includes a handle 1012, a lock body 300, a main control module 2007, a first UWB module 1013, and a grip detection module 1004; for example Figure 1As shown, the main control module 2007 is electrically connected to the first UWB module 1013 and the grip detection module 1004. The handle 1012 is located on the outside of the door, and the grip detection module 1004 is mounted on the handle 1012. The main control module 2007 and the first UWB module 1013 can be located on the outside, inside, or embedded in the door body; the lock body 300 is embedded in the door body. The user's mobile phone, tablet, smart key, smartphone, or other electronic device may contain a second UWB module. For example, the first UWB module 1013 can be a UWB receiving module, and the second UWB module can be a UWB transmitting module.

[0032] Before unlocking the smart lock 10 in this embodiment, the first UWB module 1013 inside the smart lock 10 and the second UWB module inside the user's electronic device need to be paired. After pairing, if the smart lock 10 is running normally with power, the grip detection module 1004 can detect whether the user is gripping the handle 1012; if the grip detection module 1004 detects that the user is gripping the handle 1012, it triggers a grip detection signal and sends the grip detection signal to the main control module 2007. When the first UWB module 1013 receives the unlock signal, it determines whether the unlock signal is sent by the paired second UWB module. If so, it sends a UWB authentication signal to the main control module 2007. After the main control module 2007 obtains the grip detection signal and the UWB authentication signal, it indicates that the user has the intention to unlock. At this time, the main control module 2007 can send an unlock signal to the lock body 300 to enable the lock body 300 to perform an unlocking operation. After unlocking, the user grips the handle 1012 to open the door by pushing or pulling. If only the UWB authentication signal is received but the grip detection signal is not received, it indicates that the user does not intend to unlock the device, and no operation will be performed in this case.

[0033] As can be seen from the above, this application includes a grip detection module 1004 on the smart door lock 10. The grip detection module 1004 detects whether the user is gripping the handle 1012, and then determines whether the user has the intention to unlock based on this. Unlocking is only performed when the user genuinely intends to unlock. This solves the problem of incorrect unlocking when the user does not have the intention, improving unlocking accuracy and user experience. Furthermore, in this embodiment, the user only needs to perform one action—gripping the handle 1012 to push or pull the door—to open it, making the opening method simple.

[0034] In some preferred embodiments, the grip detection module 1004 can be a proximity detection module. The proximity detection module detects the distance between the user's hand and the handle 1012, and determines whether the user is gripping the handle 1012 based on the distance between the user's hand and the handle 1012. Specifically, a distance threshold can be preset. When the distance between the user and the handle 1012 is detected to gradually decrease and be less than the above distance threshold, it indicates that the user is gripping the handle 1012.

[0035] For example, the aforementioned proximity detection module can be a capacitive proximity detection module, which determines the distance between the user's hand and the handle 1012 based on changes in capacitance. Alternatively, the aforementioned proximity detection module can be an ultrasonic proximity detection module, which determines the distance between the user's hand and the handle 1012 based on the time it takes for the emitted ultrasonic signal to be reflected back. Alternatively, the aforementioned proximity detection module can be an infrared proximity detection module, which determines the distance between the user's hand and the handle 1012 by emitting an infrared signal and determining the distance based on the intensity of the reflected infrared signal.

[0036] In some preferred embodiments, when the main control module 2007 detects that a user is gripping the handle 1012 based on the detection result of the grip detection module 1004, the main control module 2007 can control the power supply components within the smart lock 10 to supply power to all electrical components except the grip detection module 1004, thereby waking up the aforementioned electrical components. After waking up, if the main control module 2007 receives a UWB authentication signal and still detects that the user is gripping the handle 1012, it controls the lock body 300 to perform an unlocking operation. When the user has completed unlocking, the main control module 2007 controls the lock body 300 to perform a locking operation; simultaneously, the main control module 2007 can de-energize all electrical components except the grip detection module 1004, causing the smart lock 10 to enter a low-power sleep state.

[0037] In this embodiment, when the user does not unlock the door, the smart lock 10 is put into a sleep state, which reduces the power consumption of the smart lock 10, reduces the frequency of replacing the power supply components inside the smart lock 10, and improves the user experience.

[0038] In some preferred embodiments, the smart lock 10 also includes a lock cylinder 400, which has a keyhole for inserting a mechanical key. When the smart lock 10 runs out of power, the user inserts the mechanical key into the keyhole, and after insertion, rotates the lock cylinder 400 using the mechanical key; the rotation of the lock cylinder 400 causes the lock body 300 to move, and the lock body 300 performs an emergency unlocking.

[0039] As can be seen from this embodiment, the smart door lock 10 of this application provides an emergency unlocking function, which facilitates emergency unlocking when the smart lock runs out of power or other situations occur.

[0040] In some preferred embodiments, such as Figure 2 As shown, the smart door lock 10 includes a front lock 100 located on the outside of the door body. The front lock 100 is connected to the lock body 300 and is mounted on the door body via mounting components such as a threaded bushing 1010. Figure 3 As shown, the front lock 100 is equipped with an adapter plate 1002, and the first UWB module 1013 can be installed on the adapter plate 1002.

[0041] In some preferred embodiments, such as Figure 3 As shown, a portion of the lock cylinder 400 is located within the front lock 100, and the other portion is embedded in the door body. The outer surface of the front lock 100 is provided with a first mounting hole 10012 and a lock cylinder cover 1008, with the keyhole aligned with the first mounting hole 10012. The lock cylinder cover 1008 has a first position located within the first mounting hole 10012 and a second position disengaged from the first mounting hole 10012. The lock cylinder cover 1008 can be slidably or rotated. When unlocking is not required via mechanical unlocking, the user can position the lock cylinder cover 1008 in the first position; when unlocking is required via mechanical unlocking, the user can switch the lock cylinder cover 1008 to the second position by sliding or rotating it.

[0042] By using the above method, when emergency unlocking is not required, the lock cylinder cover 1008 can be used to cover the unlocking hole, improving the aesthetics of the smart door lock 10 and reducing the possibility of debris being inserted into the keyhole, thus protecting the keyhole. In addition, covering the unlocking hole with the lock cylinder cover 1008 also makes the keyhole more concealed, reducing the possibility of criminals using technical unlocking techniques.

[0043] In some preferred embodiments, such as Figure 1 and Figure 3As shown, the smart lock 10 also includes a flip-cover detection module 1005. The flip-cover detection module 1005 is located inside the front lock 100 and aligned with the first mounting hole 10012, and is electrically connected to the main control module 2007. When the lock cylinder cover 1008 is in the first position, it contacts the flip-cover detection module 1005; when the lock cylinder cover 1008 is in the second position, it separates from the flip-cover detection module 1005. When the lock cylinder cover 1008 contacts the flip-cover detection module 1005, it sends a first signal to the main control module 2007; when the lock cylinder cover 1008 separates from the flip-cover detection module 1005, it sends a second signal to the main control module 2007. The main control module 2007 can determine the position of the lock cylinder cover 1008 based on the signals sent by the flip-cover detection module 1005. Since the smart lock 10 is powered on, the user can unlock it using the UWB unlocking method described in the above embodiment. Only when the smart lock 10's battery is depleted will the user use a mechanical unlocking method. Therefore, if the lock cylinder cover 1008 is detected to have switched from the first position to the second position, it indicates that someone is attempting to unlock the smart lock 10 while it is powered on using a mechanical unlocking method, posing a possibility of unauthorized technical unlocking. To address this, in this embodiment, when the main control module 2007 determines that the lock cylinder cover 1008 has switched from the first position to the second position based on the signal transmission from the flip-cover detection module 1005, it can send an alarm message to the user; this reduces the occurrence of technical unlocking and improves the security of the smart lock 10.

[0044] In some preferred embodiments, such as Figure 3 As shown, the front lock 100 includes a handle 1012, a handle sealing plate 1001 away from the main body, and a front sealing plate 1011 close to the door body; the handle 1012 is provided with a first opening and a second opening, and the handle sealing plate 1001 on the front lock 100 is detachably connected to the first opening; the front sealing plate 1011 on the front lock 100 is detachably connected to the second opening. When the front sealing plate 1011 and the handle sealing plate 1001 are connected in the above manner, they form the main structure of the front lock 100.

[0045] like Figure 2 and Figure 3As shown, the handle 1012 has a grip position 20031, and a first groove 1014 is provided at the grip position 20031 for the user to grip. A first mounting hole 10012 is provided on the handle cover plate 1001. A first through hole 10121 and a second through hole 10122 are provided at intervals corresponding to the first opening on the handle 1012. One end of the first through hole 10121 communicates with the first mounting hole 10012, and the other end of the first through hole 10121 communicates with the first groove 1014. One end of the second through hole 10122 communicates with the first mounting hole 10012, and the other end of the second through hole 10122 communicates with the receiving hole in the door body for accommodating the lock cylinder 400. The lock cylinder 400 is partially located within the second through hole 10122 and partially within the receiving hole; a detection mounting bracket 1007 is provided between the first through hole 10121 and the second through hole 10122 on the handle 1012; a mounting post 10081 is provided on the lock cylinder cover 1008, and a third through hole 10071 and a fourth through hole 10072 are provided on the detection mounting bracket 1007. The mounting post 10081 is rotatably connected to the third through hole 10071. The flip-cover detection module 1005 and the magnet 1... 006 is located inside the detection mounting bracket 1007, and the protruding end of the flip-cover detection module 1005 is located inside the fourth through hole 10072; when the lock cylinder cover 1008 is in the first position, the lock cylinder cover 1008 is located inside the first mounting hole 10012, the magnet 1006 attracts the lock cylinder cover 1008, and the lock cylinder cover 1008 presses down on the protruding end of the flip-cover detection module 1005; and the lock cylinder cover 1008 covers one end of the first through hole 10121 and the second through hole 10122. During mechanical unlocking, the user can insert their finger into the first through hole 10121 through the groove at the handle position 20031. After insertion, the user can push the lock cylinder cover 1008 out in the opposite direction and rotate it to the second position. When rotated to the second position, the lock cylinder cover 1008 disengages from the first mounting hole 10012 and abuts against the outer surface of the handle cover plate 1001. The magnet 1006 releases its attraction to the lock cylinder cover 1008, and the lock cylinder cover 1008 does not press against the protruding end of the flip-cover detection module 1005. One end of the first through hole 10121 and the second through hole 10122 are exposed. With one end of the second through hole 10122 exposed, the keyhole is exposed, and the user can perform mechanical unlocking.

[0046] In the above embodiment, when the lock cylinder cover 1008 is in the first position, a magnet 1006 is used to attract the lock cylinder cover 1008, ensuring that the lock cylinder cover 1008 can be firmly located within the first mounting hole 10012 and cover the keyhole. When the lock cylinder cover 1008 is in the first position, it can only be rotated through the first groove 1014 at the handle position 20031. The rotation method is highly concealed, improving the security of the lock.

[0047] In some preferred embodiments, such as Figure 1 and Figure 3As shown, the front lock 100 also has an information acquisition module 1003 electrically connected to the main control module 2007; the information acquisition module 1003 has an exposed information acquisition area for collecting user information. The handle cover plate 1001 has a fifth through hole 10011, and the information acquisition area of ​​the information acquisition module 1003 is aligned with the aforementioned fifth through hole 10011, so that the user can input biometric information such as password, fingerprint or face through the information acquisition area.

[0048] During unlocking, the user can input biometric information such as a password, fingerprint, or face through the information collection area. The information collection module 1003 sends the biometric information to the main control module 2007. The main control module 2007 compares the biometric information input by the user with pre-stored information. If the information matches, the main control module 300 controls the lock body 300 to perform the unlocking operation. Otherwise, if the information does not match, no operation is performed.

[0049] In practice, if a user does not carry an electronic device equipped with the first UWB module 1013, they cannot unlock the door via UWB. In this embodiment, by setting an information collection module 1003 on the smart door lock 10, the user can still unlock the door even when unlocking via UWB is not possible.

[0050] In some preferred embodiments, such as Figure 3 As shown, the handle 1012 can be provided with a mounting groove at the position corresponding to the first opening, which matches the shape of each component in the adapter plate 1002, grip detection module 1004, information acquisition module 1003, and detection mounting bracket 1007. The corresponding components can be placed in the corresponding mounting grooves, and the handle sealing plate 1001 limits the above components.

[0051] In some preferred embodiments, such as Figure 1 and Figure 3 As shown, the front lock 100 also includes an anti-pry detection module 1009 electrically connected to the main control module 2007. The anti-pry detection module 1009 is used to trigger an alarm signal when the smart door lock 10 becomes loose. After the main control module 2007 receives the alarm signal, it outputs alarm information to the electronic device held by the user.

[0052] If parts inside the smart lock 10 become loose, or if the smart lock 10 is broken into by criminals, the smart lock 10 may become loose, making it easier for criminals to enter the door and steal the user's property. In this embodiment, when the smart lock 10 becomes loose, an alarm message can be sent to the user to protect the user's property.

[0053] In some preferred embodiments, such as Figure 3As shown, the handle 1012 may be provided with an installation receiving groove that matches the shape of the anti-pry detection component at the position corresponding to the second opening. The anti-pry detection component is placed in the installation receiving groove, and the front cover plate 1011 limits the anti-pry detection component.

[0054] In some preferred embodiments, such as Figure 2 and Figure 4 As shown, the smart door lock 10 also includes a rear lock 200 located inside the door body. The rear lock 200 is connected to the lock body 300 and is fixed to the door body by screws 2010 and other mounting components. The rear lock 200 has a rear lock housing 2003 and a rear sealing plate 2011 near the door body. The rear lock housing 2003 has a third opening, and when the rear sealing plate 2011 is connected to the third opening, it forms the main structure of the rear lock 200, the rear lock housing 2003.

[0055] The rear lock 200 has an opening detection module 2008 electrically connected to the main control module 2007 and an electrical unlocking button 2004 electrically connected to the main control module 2007. The opening unlocking module is located inside the rear lock housing 2003, and the electrical unlocking button 2004 is located in the second mounting hole 20032 on the rear lock housing 2003 and aligned with the opening detection module 2008. When a user is present inside the object to be unlocked, the user can electrically unlock it by triggering the electrical unlocking button 2004. Specifically, when the user presses the electrical unlocking button 2004, the button presses down on the opening detection module 2008, which in turn triggers the opening detection module 2008 to send an unlock request signal to the main control module 2007. After receiving the unlock request signal, the main control module 2007 sends an unlocking command to the lock body 300, causing the lock body 300 to perform an unlocking operation.

[0056] In this embodiment, by providing an electrical unlocking button 2004, users located inside the object to be unlocked can also perform electrical unlocking. Furthermore, since the user inside the object is a legitimate user and there is no possibility of unauthorized unlocking, using a button for unlocking ensures security while allowing the user to unlock without inputting biometric information simply by pressing the button, making the unlocking method convenient.

[0057] In some preferred embodiments, such as Figure 2 and Figure 4 As shown, the rear lock 200 also has a mechanical unlocking knob 2005. When the smart lock 10 runs out of power, a user inside the object to be unlocked can rotate the mechanical unlocking knob 2005 to engage the lock body 300 and unlock the lock.

[0058] In some preferred embodiments, such as Figure 4As shown, the mechanical unlocking knob 2005 includes a knob body 20051 and a rotating shaft 20052. The knob body 20051 is mounted on the rear lock housing 2003. The rotating shaft 20052 is connected to the knob body 20051 and extends through the rear lock housing 2003 into the door body. A slot on the rotating shaft 20052 fits onto the drive plate 4002 of the lock cylinder 400. When the user rotates the knob body 20051, the mechanical unlocking knob 2005 is linked with the unlocking block 4001 of the lock cylinder 400. After the unlocking block 4001 is activated, it triggers the lock body 300 to unlock.

[0059] In some preferred embodiments, such as Figure 4 As shown, the rear lock housing 2003 has a hand grip 20031 for the user to hold. After the lock body 300 is unlocked, the user located inside the object to be unlocked can hold the hand grip 20031 to push or pull the door to open it.

[0060] In some preferred embodiments, such as Figure 2 and Figure 4 As shown, the rear lock 200 also has a deadbolt knob 2006. The deadbolt knob 2006 is provided with a first locking part, and the lock body 300 is provided with a second locking part. When the user rotates the deadbolt knob 2006 to the deadbolt position, the first locking part and the second locking part cooperate to lock the lock body 300.

[0061] In some preferred embodiments, such as Figure 4 As shown, the deadbolt knob 2006 includes a knob body 20061 and a deadbolt plate 20062 connected to the knob body 20061. The deadbolt plate 20062 is the first locking part. The knob body 20061 is mounted on the rear lock housing 2003, and the deadbolt plate 20062 extends into the door body through the rear lock housing 2003. The lock body 300 has a deadbolt hole, which is the second locking part. When a user located inside the object to be unlocked rotates the knob body 20061, the deadbolt plate 20062 extends into the deadbolt hole of the lock body 300, realizing the deadbolt function.

[0062] In this embodiment, a user located inside the object to be unlocked can lock the lock body 300 by rotating the knob, preventing a person located outside the object from unlocking it and ensuring the user's safety.

[0063] In some preferred embodiments, such as Figure 4As shown, a rear lock bracket 2009 is located inside the rear lock housing 2003. The main control module 2007 and the door opening detection module 2008 are mounted on the rear lock bracket 2009. The rear lock bracket 2009 has a battery compartment 20091 for accommodating power supply components such as the lithium battery 2002. The rear lock housing 2003 has a removable cover 2001, which is aligned with the battery compartment 20091. Users can easily replace the power supply components by removing the cover 2001. A power plug 20092 is located on the rear lock bracket 2009, through which the main control module 2007 is powered.

[0064] In some existing smart door locks 10, the main control module 2007 is located on the outside of the door. This arrangement makes the main control module 2007 vulnerable to theft, posing a security risk. In this embodiment, by placing the main control module 2007 inside the rear lock 200, the main control module 2007 is located inside the door, reducing the possibility of it being stolen.

[0065] like Figure 2 , Figure 3 and Figure 4 As shown, the front lock 100 is provided with a wire hole 10123, which passes through the handle 1012 and the front sealing plate 1011. The rear lock 200 is provided with a wire outlet hole 20111, which passes through the rear sealing plate 2011. The leads of the grip detection module 1004, the information acquisition module 1003, the flip detection module 1005, and the anti-pry detection module 1009 are connected to the adapter plate 1002 and then connected to the main control module 2007 via the wire hole 10123 and the wire outlet hole 20111.

[0066] This application has the following advantages:

[0067] (1) In this application, the door lock is only woken up when the user unlocks the door, which greatly reduces the power consumption of the smart door lock 10.

[0068] (2) No additional information verification is required when unlocking. Simply bring an electronic device equipped with a UWB module close to the smart door lock 10 to unlock it. The unlocking method is simple and improves the user experience.

[0069] (3) This application can effectively reduce the possibility of technical unlocking and improve the security of smart door lock 10.

[0070] (4) The user can only open the door by holding the handle 1012 to push or pull the door.

[0071] (5) The main control module 2007 is located inside the door, which provides strong security.

[0072] (6) Electronic door locks have a simple structure and high integration.

[0073] (7) The smart door lock 10 can be unlocked even when the battery is depleted or the user is not carrying a UWB electronic device.

[0074] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A smart door lock, characterized in that, Installed on the door, the smart door lock includes: The lock includes a handle, a lock body, a main control module, a first UWB module, and a grip detection module, wherein the main control module is electrically connected to the first UWB module and the grip detection module. The grip detection module is located on the handle and is used to trigger a grip detection signal when the user grips the handle. The first UWB module is used for signal authentication with the second UWB module held by the user; The main control module is used to send an unlocking command to the lock body after acquiring the grip detection signal and the UWB authentication signal, so that the lock body can perform an unlocking operation.

2. The smart door lock according to claim 1, characterized in that, The grip detection module is a proximity detection module, used to trigger the grip detection signal based on the distance between the user's hand and the handle.

3. The smart door lock according to claim 1, characterized in that, The smart door lock also includes a lock cylinder, which can be linked with the lock body.

4. The smart door lock according to claim 3, characterized in that, The smart door lock also includes a front lock located on the outside of the door body, and the outer surface of the front lock is provided with a mounting hole and a lock cylinder cover; the lock cylinder has a keyhole for inserting a mechanical key, the keyhole being located inside the front lock and aligned with the mounting hole; the lock cylinder cover has a first position located inside the mounting hole and a second position disengaged from the mounting hole.

5. The smart door lock according to claim 4, characterized in that, The smart door lock also includes a flip-cover detection module located inside the front lock, aligned with the mounting hole and electrically connected to the main control module. When the lock cylinder cover is in the first position, it is in contact with the flip-cover detection module, and when the lock cylinder cover is in the second position, it is separated from the flip-cover detection module.

6. The smart door lock according to claim 4, characterized in that, The front lock also has an information acquisition module electrically connected to the main control module. The information acquisition module acquires the biological information input by the user and sends the biological information to the main control module.

7. The smart door lock according to claim 4, characterized in that, The front lock also has an anti-pry detection module electrically connected to the main control module, which is used to trigger a warning signal when the smart door lock is loose, and the main control module outputs alarm information after obtaining the warning signal.

8. The smart door lock according to claim 1, characterized in that, The smart door lock also includes a rear lock located inside the door body. The rear lock has an opening detection module and an electrical unlock button that are electrically connected to the main control module. The opening detection module is used to trigger an unlock request signal when the user presses the electrical unlock button. After the main control module obtains the unlock request signal, it sends an unlock command to the lock body to enable the lock body to perform an unlocking operation.

9. The smart door lock according to claim 8, characterized in that, The rear lock also has a mechanical unlocking knob, which can be linked with the lock body.

10. The smart door lock according to claim 8, characterized in that, The rear lock also has a deadbolt knob, which has a first locking part and a second locking part on the lock body. When the deadbolt knob is rotated to the deadbolt position, the first locking part and the second locking part cooperate to lock the lock body.

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