Fingerprint lock with fingerprint cleaning function

Abstract

The utility model relates to the technical field of fingerprint locks, in particular to a fingerprint lock with a fingerprint cleaning function, which comprises a fingerprint lock base, a fingerprint unlocking device mounted on the fingerprint lock base, and a fingerprint cleaning device mounted on the fingerprint lock base, the fingerprint cleaning device comprises a base, a disinfecting and cleaning liquid storage cavity, a cleaning ball and a drying roller embedded in the front side face of the base, the disinfecting and cleaning liquid storage cavity is formed in the base, an opening groove matched with the cleaning ball is formed in the front side face, the cleaning ball is rotatably installed on the front side face of the base, and the drying roller is arranged in the disinfecting and cleaning liquid storage cavity. And the cleaning fluid extends into the disinfection cleaning fluid storage cavity through the open slot. Dirt, grease and moisture on fingerprints can be effectively removed to ensure that the sensor can accurately recognize the fingerprints of a user, so that the unlocking success rate is improved, recognition failures caused by smudginess of the fingerprints are reduced, and the user experience is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fingerprint locks, in particular to a fingerprint lock with a fingerprint cleaning function. Background Technique

[0002] With the rapid development of smart home technology, fingerprint locks have gradually become a common choice for modern families and workplaces due to their convenience and security. Compared with traditional mechanical locks or password locks, fingerprint locks have unique advantages: users can unlock by simply fingerprint recognition, saving the trouble of carrying keys or memorizing passwords.

[0003] However, some deficiencies have emerged in the actual use of existing fingerprint locks. Especially when there is dirt, grease, moisture or other foreign substances on the fingerprint surface, the fingerprint sensor often cannot correctly read the fingerprint pattern. This situation is particularly obvious when the user's finger is not clean, resulting in the user being unable to unlock smoothly, affecting the user experience and the use efficiency of the fingerprint lock. In some extreme cases, the user may be locked out due to the fingerprint not being recognized and even need to rely on alternative unlocking methods (such as passwords or mechanical keys), which greatly weakens the original convenience of the fingerprint lock.

[0004] Therefore, there is an urgent need in the market for a fingerprint lock that can automatically clean the fingerprint surface before unlocking to reduce recognition failures caused by dirty fingerprints. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and propose a fingerprint lock with a fingerprint cleaning function, which can effectively remove dirt, grease and moisture on the fingerprint to ensure that the sensor can accurately identify the user's fingerprint, thereby improving the unlocking success rate, reducing recognition failures caused by dirty fingerprints, and further enhancing the user experience.

[0006] In order to achieve the above purpose, the specific technical solution adopted by the utility model is as follows:

[0007] A fingerprint lock with a fingerprint cleaning function includes a fingerprint lock base and a fingerprint unlocking device installed on the fingerprint lock base, and also includes a fingerprint cleaning device installed on the fingerprint lock base. The fingerprint cleaning device includes a base, a disinfection and cleaning liquid storage cavity, a cleaning ball, and a drying roller embedded in the front side of the base. The disinfection and cleaning liquid storage cavity is arranged in the base, and an opening groove adapted to the cleaning ball is opened on the front side. The cleaning ball is rotatably installed on the front side of the base and extends into the disinfection and cleaning liquid storage cavity through the opening groove.

[0008] Further, an installation groove adapted to the drying roller is formed on the front side surface of the base. The drying roller is rotatably installed in the installation groove through a roller rotating shaft. One end of the drying roller is inserted into the roller rotating shaft, and the other end is limited by a roller unlocking slider. The roller unlocking slider is slidably connected to the base. A through groove for installing the roller unlocking slider is formed on the left side surface of the base at the position of the installation groove, that is, on the left side wall of the installation groove.

[0009] Further, the cleaning ball is rotatably installed on the front side surface of the base through a cleaning ball fixing ring. The cleaning ball fixing ring is threadedly connected to the base.

[0010] Further, a warning lamp is also installed on the front side surface of the base. The warning lamp is in a circular ring shape and is arranged outside the cleaning ball fixing ring.

[0011] Further, a disinfection cleaning liquid adding port communicated with the disinfection cleaning liquid storage cavity is arranged on the upper top surface of the base. A disinfection cleaning liquid sealing cover is arranged in the disinfection cleaning liquid adding port.

[0012] The utility model has the following characteristics and beneficial effects:

[0013] 1) Improve the success rate of fingerprint recognition: By integrating a fingerprint cleaning function into the fingerprint lock, it can effectively remove dirt, grease, and moisture on the fingerprint, thereby ensuring that the fingerprint sensor can accurately read the user's fingerprint, improving the success rate of unlocking, and reducing recognition failures caused by dirty fingerprints.

[0014] 2) Enhance the user experience: Users do not need to worry about the problem of being unable to unlock smoothly due to dirty fingers, significantly improving the user's operation experience and enabling the fingerprint lock to maintain efficient and stable performance in various environments.

[0015] 3) Simple maintenance and replacement: The spherical cleaning ball and drying roller of the cleaning device are designed with a structure that is easy to replace. Users can easily replace and maintain them without complex operation steps, thus saving maintenance time and costs.

[0016] 4) Enhance security: Since it can effectively clean the fingerprint surface, it reduces security risks caused by unclear or contaminated fingerprints, improves the security of the fingerprint lock, and ensures that only valid and clean fingerprints can unlock.

[0017] 5) Wide applicability: The fingerprint cleaning function of the utility model can maintain reliability in various usage environments, including environments with high humidity, a lot of dust or oil stains, enabling the performance of the fingerprint lock to be stably exerted under various conditions.

[0018] 6) Intelligence and convenience: The fingerprint lock integrated with cleaning function further improves the overall intelligence level of smart home devices, making the user experience more intelligent and convenient, and meeting the requirements of modern homes for efficiency, safety and convenience. Brief Description of the Drawings

[0019] Other features, objectives and advantages of the present utility model will become more apparent by reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0020] Figure 1 Front view of a fingerprint lock with fingerprint cleaning function according to an embodiment of the present utility model;

[0021] Figure 2 Side view of a fingerprint lock with fingerprint cleaning function according to an embodiment of the present utility model;

[0022] Figure 3 Stereogram of a fingerprint lock with fingerprint cleaning function according to an embodiment of the present utility model;

[0023] Figure 4 Structural schematic diagram of the fingerprint unlocking device in an embodiment of the present utility model;

[0024] Figure 5 For Figure 4 Cross-sectional view;

[0025] Figure 6 Structural schematic diagram when the drum unlocking slider is pulled out;

[0026] Figure 7 Structural schematic diagram after the drying drum is taken out;

[0027] In the figure: 1 - fingerprint lock base; 2 - fingerprint cleaning device; 3 - fingerprint unlocking device; 21 - disinfection cleaning liquid sealing cover; 22 - base; 23 - drum unlocking slider; 24 - drying drum; 25 - drum rotating shaft; 26 - cleaning ball fixing ring; 27 - cleaning ball; 28 - indicator light; 29 - disinfection cleaning liquid storage chamber. Detailed Embodiment

[0028] The present utility model will be described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present utility model, but do not limit the present utility model in any form. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0029] Such as Figures 1-6As shown, a fingerprint lock with a fingerprint cleaning function of the utility model comprises a fingerprint lock base 1 and a fingerprint unlocking device 3 installed on the fingerprint lock base 1, and also comprises a fingerprint cleaning device 2 detachably mounted on the fingerprint lock base 1, the fingerprint base 1 and the fingerprint unlocking device are commercially available standard parts, the fingerprint cleaning device 2 is installed above the fingerprint unlocking device 3, protruding from the fingerprint lock base 1, the fingerprint cleaning device 2 comprises a base 22, a disinfectant cleaning liquid storage chamber 29, a cleaning ball 27 and a drying drum 24 embedded on the front side of the base 22, the disinfectant cleaning liquid storage chamber 29 is arranged in the base 22, and an open groove adapted to the cleaning ball 27 is opened on the front side thereof, the cleaning ball 27 can be rotatably mounted on the front side of the base 22, and extends into the disinfectant cleaning liquid storage chamber 29 through the open groove, so that a part of the cleaning ball 27 is always immersed in the disinfectant cleaning liquid. When the cleaning ball 27 rotates, disinfectant cleaning liquid will adhere to the surface of the cleaning ball 27. Therefore, when the finger moves the cleaning ball 27, the disinfectant cleaning liquid on the surface of the cleaning ball 27 can remove dirt and grease on the fingerprint. After cleaning, wipe the finger on the drying roller 24 to remove moisture from the fingerprint.

[0030] In this embodiment, a mounting groove adapted to the drying drum 24 is provided on the front side surface of the base 22. The drying drum 24 is rotatably installed in the mounting groove via a drum shaft 25. In order to realize the detachable installation of the drying drum, a through groove for installing a drum unlocking slider 23 is provided on the left side wall of the mounting groove. The through groove has a group of slide grooves symmetrically formed on the upper and lower bottom surfaces. The drum unlocking slider 23 is slidably connected to a group of slide grooves, and a limiting hole adapted to the drying drum 24 is provided on the drum unlocking slider 23 near the drying drum 24. The right end of the drying drum 24 is inserted into the drum shaft 25, and the left end is inserted into the limiting hole. The limiting is realized by the drum unlocking slider 23. The drying drum 24 includes a drum body and a cloth drum sleeved on the top of the drum body. When the cloth drum needs to be replaced, Figures 6-7 As shown, the drum unlocking slider 23 is manually slid outward to separate the drum unlocking slider 23 from the left end of the drying drum 24, and then the left end of the drying drum 24 is pushed outward to make the drying drum 24 disengage from the mounting groove, and then the right end of the drying drum 24 is pulled out from the drum shaft 25 to remove the drying drum 24.

[0031] In this embodiment, the cleaning ball 27 is rotatably mounted on the front side of the base 22 through a cleaning ball fixing ring 26. The cleaning ball fixing ring 26 is connected to the base 22 through threads. A cleaning ball mounting groove and a cleaning ball fixing ring mounting groove that are compatible with the cleaning ball 27 and the cleaning ball fixing ring 26 are provided on the front side of the base 22. During installation, the cleaning ball 27 is placed in the cleaning ball mounting groove, and then the cleaning ball fixing ring 26 is connected to the compatible mounting groove through threads to complete the installation of the cleaning ball 27.

[0032] In this embodiment, a warning light 28 is also installed on the front side of the base 22. The warning light 28 is in a ring shape and is arranged outside the cleaning ball fixing ring 26. A liquid level meter is installed in the disinfection cleaning liquid storage chamber 29, and also includes a single-chip microcomputer. The input end of the single-chip microcomputer is connected to the liquid level meter, and the output end is connected to the warning light. When the liquid level parameter monitored by the liquid level meter falls into the preset threshold value for adding disinfection cleaning liquid, the warning light lights up to remind the user to add disinfection cleaning liquid in time. The single-chip microcomputer is electrically connected to the power supply of the fingerprint lock base 1 through a power cord.

[0033] In order to add disinfectant cleaning liquid, a disinfectant cleaning liquid adding port connected to the disinfectant cleaning liquid storage chamber 29 is provided on the upper top surface of the base 22, and a disinfectant cleaning liquid sealing cover 21 is provided in the disinfectant cleaning liquid adding port.

[0034] When the present embodiment is used, dirt and grease on fingerprints can be removed by moving the cleaning ball 27 with a finger through the disinfectant cleaning liquid on the surface of the cleaning ball 27. After the cleaning is completed, the finger can be wiped on the drying drum 24 to remove moisture from the fingerprint.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A fingerprint lock with a fingerprint cleaning function, comprising a fingerprint lock base (1) and a fingerprint unlocking device (3) installed on the fingerprint lock base (1), characterized in that: It further includes a fingerprint cleaning device (2) installed on the fingerprint lock base (1). The fingerprint cleaning device (2) includes a base (22), a disinfection cleaning liquid storage cavity (29), a cleaning ball (27), and a drying roller (24) embedded and installed on the front side of the base (22). The disinfection cleaning liquid storage cavity (29) is arranged inside the base (22), and an opening groove adapted to the cleaning ball (27) is formed on the front side. The cleaning ball (27) is rotatably installed on the front side of the base (22) and extends into the disinfection cleaning liquid storage cavity (29) through the opening groove.

2. The fingerprint lock with a fingerprint cleaning function according to claim 1, characterized in that: An installation groove adapted to the drying roller (24) is formed on the front side of the base (22). The drying roller (24) is rotatably installed in the installation groove through a roller rotating shaft (25). One end of the drying roller (24) is inserted into the roller rotating shaft (25), and the other end is limited by a roller unlocking slider (23).

3. The fingerprint lock with a fingerprint cleaning function as claimed in claim 1, wherein: The cleaning ball (27) is rotatably installed on the front side of the base (22) through a cleaning ball fixing ring (26). The cleaning ball fixing ring (26) is threadedly connected to the base (22).

4. A fingerprint lock with a fingerprint cleaning function as claimed in claim 1, characterized in that: A warning lamp (28) is further installed on the front side of the base (22). The warning lamp (28) is in a circular ring shape and is arranged outside the cleaning ball fixing ring (26).

5. The fingerprint lock with a fingerprint cleaning function according to claim 1, characterized in that: A disinfection cleaning liquid addition port communicating with the disinfection cleaning liquid storage cavity (29) is arranged on the top surface of the base (22). A disinfection cleaning liquid sealing cover (21) is arranged inside the disinfection cleaning liquid addition port.

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