Biological recognition intelligent lock

Abstract

The invention discloses a biological recognition intelligent lock which comprises a shell and a spring bolt, and the spring bolt is movably installed in the shell. The shell comprises a first shell and a second shell, and the first shell and the second shell are oppositely matched and connected to form a stable mounting cavity; the spring bolt is movably installed on the first shell. The biological recognition intelligent lock further comprises a driving unit, the driving unit is arranged on the first shell, the control chip is electrically connected with the control end of the driving unit, and the output end of the driving unit is in driving connection with the spring bolt. The second shell is provided with a control panel, and the control panel is arranged on the outer surface of the side, opposite to the first shell, of the second shell. According to the biological recognition intelligent lock, a control signal can be output to the driving unit through the control chip, and the driving unit controls the spring bolt to stretch out and retract relative to the first shell according to the control signal.

Description

Technical Field

[0001] The present invention relates to the technical field of smart locks, and in particular to a biometric smart lock. Background Art

[0002] Biometric smart locks are smart locks that use biometric features (such as fingerprints, faces, irises, etc.) for identity authentication. Compared with traditional mechanical locks, this type of lock usually has higher security and convenience. Biometric smart locks have the characteristics of high security, convenience, smart connection, multiple authentication and recording functions, and are increasingly favored by families and businesses. For existing biometric smart locks, the safety performance of biometric smart locks is improved because biometric features are difficult to forge; at the same time, you can unlock the lock with your own biometric features without carrying keys or remembering passwords; biometric smart locks can also be connected to mobile phones or smart home systems for remote control and monitoring; some smart locks support multiple authentication methods, add passwords, key cards and other unlocking functions, so as to provide flexible unlocking methods; smart locks can also form unlocking records, which is convenient for users to check usage and further improve security.

[0003] The existing biometric smart lock is composed of a lock tongue, a biometric module, a control circuit, a power supply and a mechanical lock. However, the existing biometric smart lock has a complex internal structure and a large size, occupies a large installation space, and is not convenient to use and has insufficient versatility. Summary of the invention

[0004] Based on this, it is necessary to provide a biometric smart lock to address the technical problems that existing biometric smart locks are large in size, occupy a large installation space, and are not convenient to use.

[0005] A biometric smart lock comprises a shell and a lock tongue, wherein the lock tongue is movably installed inside the shell so that the lock tongue can extend and retract relative to the shell.

[0006] The shell comprises a first shell and a second shell. The first shell and the second shell are matched and connected to each other to form a stable installation cavity. The locking tongue is movably installed on the first shell, and the second shell is used for accommodating and installing the control chip.

[0007] The biometric smart lock also includes a driving unit, which is arranged in the first shell. The control chip is electrically connected to the control end of the driving unit. The output end of the driving unit drives the connected lock tongue, so that the control chip can output a control signal to the driving unit. The driving unit controls the lock tongue to extend and retract relative to the first shell according to the control signal.

[0008] The second shell is provided with a control panel, which is arranged on the outer surface of the second shell on the side facing away from the first shell, and the control panel is electrically connected to the control chip, so that the user can operate and control the biometric smart lock through the control panel. At the same time, the working status information of the biometric smart lock can be fed back to the user through the control panel.

[0009] In one embodiment, the first shell is provided with a first installation cavity and a second installation cavity. The first installation cavity is provided at one end of the first shell, and the second installation cavity is provided at the other end of the shell relative to the first installation cavity.

[0010] In one of the embodiments, the locking tongue is movably mounted in the first mounting cavity, and the driving unit is mounted in the second mounting cavity, so that the driving unit can drive the locking tongue to reciprocate relative to the first mounting cavity.

[0011] In one embodiment, the first shell is provided with a partition, which is provided between the first installation cavity and the second installation cavity and is provided on the inner surface of the bottom wall of the first shell.

[0012] In one embodiment, the first installation cavity is provided with a slide rail portion, which is provided on the bottom wall surface of the first installation cavity, and one end of the slide rail portion is connected to the partition portion, and the other end of the slide rail portion extends away from the partition portion by a preset distance.

[0013] In one embodiment, the above-mentioned lock tongue is slidably matched with the slide rail portion, the driving unit is arranged on the other side of the partition portion relative to the slide rail portion, and the output end of the driving unit passes through the partition portion and is connected to the lock tongue, so that the driving unit can drive the lock tongue to slide back and forth along the slide rail portion.

[0014] In one of the embodiments, the first shell is provided with a matching hole, which is provided on the side wall at one end of the first mounting cavity, and the matching hole connects the inside and the outside of the first shell, and the matching hole corresponds to the side surface of one end of the lock tongue, so that, in the process of reciprocating motion of the lock tongue along the slide rail portion, the end of the lock tongue toward the matching hole extends and retracts relative to the first shell through the matching hole.

[0015] In one embodiment, the above-mentioned locking tongue includes a main body, a connecting block and a connecting groove, and the main body is accommodated in the first installation cavity; the connecting block is arranged on a side surface of the main body facing the slide rail part, and is slidably connected to the slide rail part; the connecting groove is arranged at one end of the main body facing the driving unit, and the connecting groove extends into a preset distance inside the main body.

[0016] In one of the embodiments, the output end of the driving unit is connected to the inside of the connecting groove, so that the driving unit can stably drive the main body to reciprocate relative to the first installation cavity through the connecting groove. During this process, the connecting block moves along the slide rail portion.

[0017] In one of the embodiments, the above-mentioned lock tongue also includes a plurality of first limit blocks and a second limit block, and the plurality of first limit blocks are arranged on the side surface of the main body facing away from the sliding rail portion; the second limit block is arranged on the side surface of the main body facing the sliding rail portion; when one end of the lock tongue extends to the outside of the first shell through the matching hole, the plurality of first limit blocks and the second limit blocks abut against the inner wall of one end of the first shell where the matching hole is arranged.

[0018] In one of the embodiments, the first shell is further provided with a limiting groove, and the limiting groove is provided on a side of the matching hole facing the second shell.

[0019] In one of the embodiments, the second shell is provided with a third limiting block. When the second shell is snap-fitted and connected to the first shell, the third limiting block is matched and connected to the inside of the limiting groove.

[0020] In one of the embodiments, the above-mentioned biometric smart lock also includes a guide frame, which is installed on the partition to guide the output end of the driving unit.

[0021] In one embodiment, the guide frame is provided with a plurality of guide holes, and the plurality of guide holes are arranged on the wall surface of the guide frame corresponding to the slide rail portion, and each guide hole passes through the guide frame; when the drive unit is installed in place, the output end of the drive unit is connected to the locking tongue through the plurality of guide holes.

[0022] In one embodiment, the guide frame is further provided with two first connection parts, and the two first connection parts are provided at two ends of the guide frame.

[0023] In one of the embodiments, the first shell is further provided with two second connection parts, and the two second connection parts are respectively provided on both sides of the partition part. When the guide frame is installed in place, the two first connection parts are respectively connected with the two second connection parts correspondingly.

[0024] The above-mentioned biometric smart lock can output a control signal to the driving unit through the control chip, and the driving unit controls the lock tongue to extend and retract relative to the first shell according to the control signal. The second shell is provided with a control panel, and the control panel is arranged on the outer surface of the second shell on the side facing away from the first shell, and the control panel is electrically connected to the control chip, so that the user can operate and control the biometric smart lock through the control panel. At the same time, the working status information of the biometric smart lock can be fed back to the user through the control panel, thereby realizing the locking, unlocking, identification and feedback functions of the biometric smart lock. The biometric smart lock of the present invention realizes the biometric unlocking function through a simple lock tongue driving mechanism combined with a control chip and a control panel, thereby greatly reducing the difficulty of maintenance and overhaul, reducing the installation volume, and effectively improving the convenience of use of the biometric smart lock. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the structure of a biometric smart lock in one embodiment; Figure 2 A schematic diagram of a first housing structure of a biometric smart lock in one embodiment; Figure 3 A schematic diagram of the second housing structure of a biometric smart lock in one embodiment; Figure 4 A schematic diagram of the lock tongue structure of a biometric smart lock in one embodiment; Figure 5 A schematic diagram of the lock tongue structure of a biometric smart lock in one embodiment; Figure 6 Schematic diagram of the guide plate structure of a biometric smart lock in one embodiment. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0031] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0032] See also Figures 1 to 6 The present invention discloses a biometric smart lock, which includes a housing 100 and a lock tongue 200. The lock tongue 200 is movably installed inside the housing 100, so that the lock tongue 200 can extend and retract relative to the housing 100, thereby realizing the locking function of the biometric smart lock. Among them, the housing 100 includes a first housing 110 and a second housing 120, and the first housing 110 and the second housing 120 are matched and connected to form a stable installation cavity; the lock tongue 200 is movably installed in the first housing 110, and the second housing 120 is used to accommodate and install a control chip (not shown). In this embodiment, the biometric smart lock also includes a driving unit (not shown), the driving unit is arranged in the first housing 110, the control chip is electrically connected to the control end of the driving unit, and the output end of the driving unit drives the lock tongue 200, so that the control chip can output a control signal to the driving unit, and the driving unit controls the lock tongue 200 to extend and retract relative to the first housing 110 according to the control signal. Specifically, the second shell 120 is provided with a control panel 121, which is arranged on the outer surface of the second shell 120 on the side facing away from the first shell 110, and the control panel 121 is electrically connected to the control chip, so that the user can operate and control the biometric smart lock through the control panel 121. At the same time, the working status information of the biometric smart lock can be fed back to the user through the control panel 121, thereby realizing the locking, unlocking, identification and feedback functions of the biometric smart lock.

[0033] In actual application, after the biometric smart lock receives the unlocking signal, it starts to decode and verify the unlocking information internally. After the verification is passed, the driving unit starts to drive the lock tongue 200 to unlock. During the unlocking process, the biometric smart lock sends an "unlocking" signal, and stops after detecting that the lock tongue 200 is unlocked in place. The biometric smart lock is unlocked successfully. After the unlocking is successful, the biometric smart lock sends an "unlocked" signal; when the biometric smart lock driving unit starts to drive the lock tongue 200 to unlock, the unlocking time exceeds the protection time and fails to unlock. The biometric smart lock If the unlocking fails, the biometric smart lock will send out an "unlocking failure" signal; if the biometric smart lock receives an erroneous unlocking signal, the biometric smart lock will not unlock; if the biometric smart lock successfully unlocks, the locking signal is not disconnected, and the biometric smart lock will automatically lock after 10 seconds; after the biometric smart lock receives the locking signal, the driving unit starts to drive the lock tongue 200 to lock, and stops after detecting that the lock tongue 200 is locked in place, and the biometric smart lock is successfully locked. After the locking is successful, the biometric smart lock sends out a "locked" signal. In this embodiment, the driving unit is configured as a motor.

[0034] Further, the first housing 110 is provided with a first installation cavity a and a second installation cavity b, the first installation cavity a is provided at one end of the first housing 110, and the second installation cavity b is provided at the other end of the housing 100 relative to the first installation cavity a. Specifically, the lock tongue 200 is movably installed in the first installation cavity a, and the driving unit is installed in the second installation cavity b, so that the driving unit can drive the lock tongue 200 to reciprocate relative to the first installation cavity a, so as to realize the extension and retraction of the lock tongue 200 relative to the first housing 110.

[0035] Furthermore, the first shell 110 is provided with a partition 111, which is arranged between the first installation cavity a and the second installation cavity b, and is arranged on the inner surface of the bottom wall of the first shell 110, so as to separate the first installation cavity a and the second installation cavity b to a certain extent, thereby ensuring the installation stability of the lock tongue 200 and the driving unit respectively.

[0036] Further, the first installation cavity a is provided with a slide rail portion 112, the slide rail portion 112 is provided on the bottom wall surface of the first installation cavity a, and one end of the slide rail portion 112 is connected to the partition portion 111, and the other end of the slide rail portion 112 extends a preset distance away from the partition portion 111. Specifically, the lock tongue 200 is slidably matched with the slide rail portion 112, the drive unit is provided on the other side of the partition portion 111 relative to the slide rail portion 112, and the output end of the drive unit passes through the partition portion 111 and is connected to the lock tongue 200, so that the drive unit can drive the lock tongue 200 to slide back and forth along the slide rail portion 112.

[0037] Furthermore, the first shell 110 is provided with a matching hole c, which is arranged on the side wall of one end of the first installation cavity a. The matching hole c connects the inside and the outside of the first shell 110, and the matching hole c corresponds to the side surface of one end of the lock tongue 200. Therefore, in the process of reciprocating motion of the lock tongue 200 along the slide rail portion 112, the end of the lock tongue 200 toward the matching hole c extends and retracts relative to the first shell 110 through the matching hole c, thereby realizing the locking and unlocking functions of the biometric smart lock.

[0038] Furthermore, the lock tongue 200 includes a main body 210, a connecting block 220 and a connecting groove d, wherein the main body 210 is accommodated in the first installation cavity a; the connecting block 220 is arranged on a side surface of the main body 210 facing the slide rail portion 112, and is slidably connected to the slide rail portion 112; the connecting groove d is arranged at one end of the main body 210 facing the driving unit, and the connecting groove d extends into a preset distance inside the main body 210. Specifically, the output end of the driving unit is connected to the inside of the connecting groove d, so that the driving unit can stably drive the main body 210 to reciprocate relative to the first installation cavity a through the connecting groove d, and in this process, the connecting block 220 moves along the slide rail portion 112, thereby limiting the overall moving trajectory of the lock tongue 200.

[0039] Furthermore, the lock tongue 200 also includes a plurality of first limit blocks 230 and a second limit block 240, wherein the plurality of first limit blocks 230 are arranged on a side surface of the main body 210 facing away from the slide rail portion 112; the second limit block 240 is arranged on a side surface of the main body 210 facing the slide rail portion 112; when one end of the lock tongue 200 extends to the outside of the first shell 110 through the matching hole c, the plurality of first limit blocks 230 and the second limit blocks 240 abut against the inner wall of one end of the first shell 110 where the matching hole c is provided, thereby limiting the distance that the lock tongue 200 extends out of the first shell 110.

[0040] Furthermore, the first shell 110 is also provided with a limiting groove e, which is arranged on the side of the mating hole c facing the second shell 120. Correspondingly, the second shell 120 is provided with a third limiting block 122. When the second shell 120 is snap-fitted and connected to the first shell 110, the third limiting block 122 is mated and connected to the inside of the limiting groove e, thereby limiting the straight mating direction of the first shell 110 and the second shell 120, and at the same time improving the connection stability between the first shell 110 and the second shell 120.

[0041] Furthermore, the biometric smart lock further includes a guide frame 300, which is installed on the partition 111 to guide the output end of the drive unit. Specifically, the guide frame 300 is provided with a plurality of guide holes f, which are provided on the wall of the guide frame 300 corresponding to the slide rail portion 112, and each guide hole f passes through the guide frame 300; when the drive unit is installed in place, the output end of the drive unit is connected to the lock tongue 200 through the plurality of guide holes f, so that the guide frame 300 can guide the output direction of the drive unit.

[0042] Furthermore, the guide frame 300 is also provided with two first connection parts 310, and the two first connection parts 310 are arranged at both ends of the guide frame 300; correspondingly, the first shell 110 is also provided with two second connection parts 113, and the two second connection parts 113 are respectively arranged on both sides of the partition part 111. When the guide frame 300 is installed in place, the two first connection parts 310 are respectively connected with the two second connection parts 113, thereby ensuring the installation stability of the guide frame 300.

[0043] In summary, the biometric smart lock disclosed in the present invention can output a control signal to the drive unit through the control chip, and the drive unit controls the lock tongue to extend and retract relative to the first shell according to the control signal. The second shell is provided with a control panel, and the control panel is arranged on the outer surface of the second shell on the side facing away from the first shell, and the control panel is electrically connected to the control chip, so that the user can operate and control the biometric smart lock through the control panel. At the same time, the working status information of the biometric smart lock can be fed back to the user through the control panel, thereby realizing the locking, unlocking, identification and feedback functions of the biometric smart lock. The biometric smart lock of the present invention realizes the biometric unlocking function through a simple lock tongue driving mechanism combined with a control chip and a control panel, thereby greatly reducing the difficulty of maintenance and repair, reducing the installation volume, and effectively improving the convenience of use of the biometric smart lock.

[0044] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0045] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A biometric smart lock, characterized in that: include: A housing and a lock tongue, wherein the lock tongue is movably mounted inside the housing so that the lock tongue can extend and retract relative to the housing; The housing includes a first housing and a second housing, and the first housing and the second housing are connected to each other to form a stable installation cavity; the locking tongue is movably installed on the first housing, and the second housing is used for receiving and installing the control chip; The biometric smart lock also includes a driving unit, which is arranged in the first housing, the control chip is electrically connected to the control end of the driving unit, and the output end of the driving unit drives the connected lock tongue, so that the control chip can output a control signal to the driving unit, and the driving unit controls the lock tongue to extend and retract relative to the first housing according to the control signal; The second shell is provided with a control panel, which is arranged on the outer surface of the second shell on the side facing away from the first shell, and the control panel is electrically connected to the control chip, so that the user can operate and control the biometric smart lock through the control panel. At the same time, the working status information of the biometric smart lock can be fed back to the user through the control panel.

2. The biometric smart lock according to claim 1, characterized in that: The first shell is provided with a first installation cavity and a second installation cavity. The first installation cavity is provided at one end of the first shell, and the second installation cavity is provided at the other end of the shell relative to the first installation cavity.

3. The biometric smart lock according to claim 2, characterized in that: The lock tongue is movably mounted in the first mounting cavity, and the driving unit is mounted in the second mounting cavity, so that the driving unit can drive the lock tongue to reciprocate relative to the first mounting cavity.

4. The biometric smart lock according to claim 3, characterized in that: The first shell is provided with a partition, which is arranged between the first installation cavity and the second installation cavity and is arranged on the inner surface of the bottom wall of the first shell.

5. The biometric smart lock according to claim 4, characterized in that: The first installation cavity is provided with a slide rail portion, which is arranged on the bottom wall surface of the first installation cavity, and one end of the slide rail portion is connected to the partition portion, and the other end of the slide rail portion extends away from the partition portion by a preset distance.

6. The biometric smart lock according to claim 5, characterized in that: The lock tongue is slidably matched with the slide rail portion, the drive unit is arranged on the other side of the partition portion relative to the slide rail portion, and the output end of the drive unit passes through the partition portion and is connected to the lock tongue, so that the drive unit can drive the lock tongue to slide back and forth along the slide rail portion.

7. The biometric smart lock according to claim 6, characterized in that: The first shell is provided with a matching hole, which is arranged on the side wall of one end of the first installation cavity. The matching hole connects the inside and the outside of the first shell, and the matching hole corresponds to the side surface of one end of the lock tongue. Therefore, in the process of reciprocating motion of the lock tongue along the slide rail portion, the end of the lock tongue toward the matching hole extends and retracts relative to the first shell through the matching hole.

8. The biometric smart lock according to claim 7, characterized in that: The locking tongue includes a main body, a connecting block and a connecting groove. The main body is accommodated in the first installation cavity. The connecting block is arranged on a side surface of the main body facing the slide rail part and is slidably connected to the slide rail part. The connecting groove is arranged at one end of the main body facing the driving unit, and the connecting groove extends into a preset distance inside the main body.

9. The biometric smart lock according to claim 8, characterized in that: The output end of the driving unit is connected to the inside of the connecting groove, so that the driving unit can stably drive the main body to reciprocate relative to the first installation cavity through the connecting groove. During this process, the connecting block moves along the slide rail portion.

10. The biometric smart lock according to claim 9, characterized in that: The lock tongue also includes a plurality of first limit blocks and a second limit block, wherein the plurality of first limit blocks are arranged on a side surface of the main body facing away from the slide rail portion; the second limit block is arranged on a side surface of the main body facing the slide rail portion; when one end of the lock tongue extends to the outside of the first shell through the matching hole, the plurality of first limit blocks and the second limit blocks abut against the inner wall of one end of the first shell where the matching hole is arranged.

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