Smart key cabinet

Abstract

This utility model provides an intelligent key cabinet, including a cabinet body with an openable and closable door on the front and multiple key storage positions on the inside. Each key unit consists of a standardized key card and a fixing rope for connecting various keys. Each storage position is equipped with an electric lock to control the locking state of the key card. An identity recognition module on the front of the cabinet identifies the user and obtains login permissions, a security detection module detects the user's security status and obtains security permissions, a central control module controls the electric lock according to permissions, a demonstration screen plays a scrolling operation video, and a status recognition module indicates the key status via a color-changing status light. This utility model can quickly indicate the key location, reducing retrieval time; detect the user's security status to ensure safety; help beginners get started quickly, improving convenience; and uniformly connect different keys to meet diverse management needs.

Description

Technical Field

[0001] This utility model relates to the technical field of key cabinets, and in particular to intelligent key cabinets. Background Technology

[0002] With the continuous progress and prosperity of society and the economy, the requirements for the security and efficiency of vehicle key management in various locations are becoming increasingly stringent and diverse. These locations cover key industries such as public security systems, military units, enterprises and institutions, industrial production facilities (such as factories), energy infrastructure (such as nuclear power plants), cultural and tourist attractions (such as tourist resorts and theme parks), car dealerships (4S stores), financial institutions, commercial office buildings, cultural and educational institutions (such as libraries), transportation operation teams, and hotels.

[0003] Traditional key management systems, due to their inherent limitations, struggle to meet the high standards of security and efficiency required by modern society. They frequently face the risk of lost or stolen keys, leading not only to security risks but also severely impacting work efficiency. To address this, the industry has proposed a smart key cabinet solution. This solution enhances the security and efficiency of key retrieval by introducing an authentication mechanism, marking a significant step towards intelligent key management.

[0004] Nevertheless, existing smart key cabinet technology still faces some challenges in practical applications:

[0005] 1. The key retrieval and usage process is relatively simple and fails to effectively reduce user operation time;

[0006] 2. The security mechanism is not yet perfect, and there is a lack of effective monitoring of the user's real-time status, which poses potential security risks such as operation under the influence of alcohol.

[0007] 3. The user-friendliness is insufficient; novice users need to go through a complicated learning process to master the usage.

[0008] 4. There is a lack of a storage structure that can achieve unified management of different types of keys.

[0009] To address the aforementioned problems, this invention aims to provide a more advanced, efficient, and secure key management system to overcome the shortcomings of existing technologies.

[0010] In view of this, the inventor specifically designed a smart key cabinet, which led to this invention. Utility Model Content

[0011] To solve the above problems, the technical solution of this utility model is as follows:

[0012] Smart key cabinet, including:

[0013] The cabinet has an openable and closable door on the front, and several key storage locations are formed on the inside of the door.

[0014] The key unit includes a standardized key card and a fixing cord that is integrally attached to the key card and used to connect various types of keys;

[0015] An electronic lock is installed in each key storage position to control the locking state of the key card inserted into the key storage position;

[0016] The identity recognition module, located on the front of the cabinet, is used to identify the user's identity to obtain login permissions;

[0017] The security detection module, located on the front of the cabinet, is used to detect the user's current security status and obtain security permissions.

[0018] The central control module is electrically connected to the electric lock, the identity recognition module, and the security recognition module. It is used to lock the electric lock after the user obtains both login and security permissions.

[0019] The demonstration screen, located on the front of the cabinet, is electrically connected to the central control module and is used to play operation videos of the smart key cabinet.

[0020] The status recognition module is electrically connected to the central control module and includes a color-changing status light located at each key storage position to indicate the key status at the current key storage position.

[0021] Preferably, the identity recognition module includes a fingerprint recognition module and a face recognition module.

[0022] Preferably, the safety detection module is an alcohol detection module.

[0023] Preferably, the central control module includes an MCU microprocessor and an interactive all-in-one machine, the interactive all-in-one machine being located on the front side of the cabinet.

[0024] Preferably, the electric lock is a telescopic bolt type electric bolt lock, and the key card is provided with a locking hole that engages with the bolt of the electric bolt lock.

[0025] Preferably, the key storage location includes a key slot that slides with a key card, and the electric bolt lock is located on the top inner side of the key slot, with a locking position on the bottom surface of the key slot that is directly opposite the output position of the bolt.

[0026] Preferably, the key slot opening is symmetrically provided with elastically retractable insert shafts on both sides, and the key card is provided with positioning grooves on both sides that cooperate with the insert shafts. When the insert shafts cooperate with the positioning grooves, the locking hole is directly opposite the locking position.

[0027] Preferably, the key card includes a housing and a passive RFID tag disposed inside the housing. The smart key cabinet also includes an RFID read / write module, which is electrically connected to the central control module and is used to read and write the passive RFID tag.

[0028] Preferably, it also includes a power supply module, which includes a switching power supply module electrically connected to the central control module and a backup power supply module.

[0029] Preferably, it also includes a voice module, electrically connected to the central control module, for outputting corresponding sounds.

[0030] The beneficial effects of this utility model are as follows:

[0031] This invention uses a status recognition module to accurately and quickly indicate the current storage location of the key, eliminating the need for users to blindly search among numerous storage locations. This greatly reduces the time wasted during key retrieval and placement, significantly improving operational efficiency.

[0032] Meanwhile, the addition of safety detection modules, such as an alcohol detection module, can strictly verify the safety status of the key before the user takes it, effectively avoiding the risk of the user taking the key under dangerous conditions such as being under the influence of alcohol. This ensures safety in various venues from the source and builds a solid defense for the safe operation of the venue.

[0033] In addition, the demonstration screen continuously plays operation videos of the smart key cabinet, intuitively and clearly showing the operating steps. Even novice users can quickly master the usage by watching the videos, significantly reducing the learning cost and greatly improving the convenience and user-friendliness of the product.

[0034] Finally, the standardized key card combined with the fixing rope design allows for the unified connection and fixation of various types of keys, breaking the limitations of traditional key cabinets on key types, expanding the applicability of smart key cabinets to various types of keys, and meeting diverse key management needs. Attached Figure Description

[0035] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0036] in:

[0037] Figure 1 This is one of the overall structural schematic diagrams of this utility model;

[0038] Figure 2 This is the second schematic diagram of the overall structure of this utility model;

[0039] Figure 3 This is the third schematic diagram of the overall structure of this utility model;

[0040] Figure 4 This is a block diagram illustrating the connection principle of this utility model;

[0041] Figure 5 This is a partial structural schematic diagram of the key unit in this utility model;

[0042] Figure 6 yes Figure 5 A magnified schematic diagram of a portion of region A in the middle;

[0043] Figure 7 This is a partial cross-sectional view of the key card in this utility model.

[0044] Label Explanation:

[0045] 100. Cabinet body; 110. Cabinet door; 120. Storage area; 130. Key storage location; 131. Key slot; 132. Locking position; 140. Fixed position; 150. Casters; 160. Access door; 170. Insert shaft; 171. Telescopic hole; 172. Spring; 173. Annular positioning edge; 174. Pressure ring; 180. Power module; 190. Voice module; 200. Key unit; 210. Key card; 211. Outer casing; 212. None Source RFID tag; 220, fixing rope; 230, locking hole; 240, positioning groove; 241, guide surface; 300, electric lock; 400, identity recognition module; 410, fingerprint recognition module; 420, face recognition module; 500, security detection module; 510, alcohol detection module; 600, central control module; 610, interactive all-in-one machine; 700, demonstration screen; 800, status recognition module; 810, status light; 900, RFID read / write module. Detailed Implementation

[0046] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0047] Please see Figures 1 to 7 The smart key cabinet, which is the preferred embodiment of this utility model, includes a cabinet body 100, a key unit 200, an electric lock 300, an identity recognition module 400, a security detection module 500, a central control module 600, a demonstration screen 700, and a status recognition module 800.

[0048] like Figure 1 ,2 As shown in Figure 3, firstly, the cabinet 100 is a rectangular vertical cabinet with an openable and closable cabinet door 110 on its front side and several key storage positions 130 formed inside the cabinet door 110. In this embodiment, there are two cabinet doors 110, and the cabinet 100 forms a storage area 120 at the corresponding position inside the cabinet door 110. The key storage positions 130 are set in the storage area 120.

[0049] In addition, in this embodiment, two storage areas 120 are distributed on the left and right sides of the front of the cabinet 100, and a fixed position 140 for installing other modules is formed in the middle of the cabinet 100.

[0050] In addition, to facilitate the movement of the cabinet 100, four casters 150 with brakes are provided at the four corners of the bottom of the cabinet 100.

[0051] In addition, such as Figure 2 , 3 As shown, a double-leaf inspection door 160 is provided on the rear side of the cabinet 100 to facilitate the inspection and maintenance of relevant parts inside the cabinet 100.

[0052] like Figure 1 , 5 As shown, the key unit 200 includes a standardized key card 210 and a fixing cord 220 integrally bound to the key card 210 for connecting various types of keys.

[0053] In this embodiment, the key card 210 is made of ABS material, and the fixing rope 220 is a steel stranded rope. The two ends of the fixing rope 220 are inserted into the inside of the key card 210 for limiting, and the key card 210 cannot be opened without breaking after being closed. After the key card 210 forms a unique identity, the key card 210 will have a unique correspondence with the corresponding key.

[0054] In this embodiment, the key storage location 130 includes a key slot 131 that slides with the key card 210, and an electric bolt lock 300 is located on the top inner side of the key slot 131. The bottom surface of the key slot 131 is provided with a locking position 132 that is directly opposite to the output position of the bolt of the electric bolt lock.

[0055] Furthermore, the key slot 131 has symmetrically arranged elastically retractable insert shafts 170 on both sides of the opening, and the key card 210 has positioning grooves 240 on both sides that are limited to the insert shafts 170. The end of the key card 210 away from the fixing rope 220 passes through to form a locking hole 230. When the insert shaft 170 is limited to the positioning grooves 240, the locking hole 230 is directly opposite the locking position 132.

[0056] Specifically, such as Figure 5 , 6As shown, cylindrical telescopic holes 171 are provided on both side walls of the key slot 131. A spring 172 is movably installed at the bottom of the telescopic hole 171. The insertion shaft 170 is slidably disposed in the telescopic hole 171 and is clearance-fitted with the telescopic hole 171. The inner side of the insertion shaft 170 movably contacts the spring 172. In addition, the positioning groove 240 forms inclined guide surfaces 241 symmetrically on both sides along the insertion direction of the key card 210. The guide surfaces 241 extend integrally to both side walls of the key card 210 and form arc-shaped chamfers (not shown in the figure) at their connection positions. Furthermore, a semi-circular guide portion is formed at the end of the key card 210 away from the fixing rope 220. Thus, when the key card 210 is inserted into the key slot 131, the guide portion... Under the guidance of the part, the insertion shaft 170 is squeezed by the side wall of the key card 210 and retracted into the telescopic hole 171. When the key card 210 moves to the positioning groove 240 and is directly opposite the insertion shaft 170, the insertion shaft 170 is pushed out again under the action of the spring 172 and extends into the positioning groove 240. The insertion shafts 170 on both sides limit the key card 210, keeping it in this position without external force. At this time, the locking hole 230 on the key card 210 is directly opposite the locking position 132, so that the bolt of the electric bolt lock can be inserted to limit and fix the key card 210. When the key card 210 is pulled out, the guide angle and the guide surface 241 can also guide the insertion shaft 170, so that the key card 210 can be pulled out smoothly.

[0057] In addition, to prevent the insertion shaft 170 from passing through the telescopic hole 171, an annular positioning edge 173 protruding outward along its circumference is formed at one end of the insertion shaft 170 near the spring 172. A clamping ring 174 is threadedly connected to the opening of the telescopic hole 171. The clamping ring 174 has an opening in the middle that is only for the insertion shaft 170 to pass through and stops the positioning part (not shown in the figure).

[0058] like Figure 1 , 4 As shown, the electronic lock 300 is located in each key storage position 130 and is used to control the locking state of the key card 210 inserted into the key storage position 130.

[0059] In this embodiment, the electric lock 300 is an electric bolt lock with a bolt. When it is extended, the bolt is inserted into the locking position 132 from above.

[0060] like Figure 1 , 4 As shown, the identity recognition module 400 is located on the front side of the cabinet 100 and is used to identify the user's identity to obtain login permissions.

[0061] The security detection module 500 is located on the front of the cabinet 100 and is used to detect the user's current security status to obtain security permissions.

[0062] The central control module 600 is electrically connected to the electric lock 300, the identity recognition module 400, and the security recognition module, and is used to lock the electric lock 300 after the user obtains both login and security permissions.

[0063] The demonstration screen 700 is located on the front side of the cabinet 100 and is electrically connected to the central control module 600 to play the operation video of the smart key cabinet.

[0064] The status recognition module 800 is electrically connected to the central control module 600 and includes a status light 810 with a color changeable located on each key storage position 130 to indicate the current key status on the key storage position 130.

[0065] Specifically, in this embodiment, the central control module 600 includes an MCU microprocessor and an interactive all-in-one machine 610. The interactive all-in-one machine 610 is mounted on a fixed position 140 on the front side of the cabinet 100. The identity recognition module 400 includes a fingerprint recognition module 410 and a face recognition module 420. The fingerprint recognition module 410 uses an advanced capacitive fingerprint sensor and is located on the right side of the interactive all-in-one machine 610. The face recognition module 420 is equipped with a high-definition camera and is located on the upper side of the interactive all-in-one machine 610. Combined with professional image recognition algorithms, it can adapt to different lighting environments and quickly and accurately recognize the user's facial features. When the user approaches the cabinet 100, they can choose to authenticate their identity by fingerprint or face. The identity recognition module 400 transmits the recognition information to the central control module 600 for comparison and verification to obtain login permissions.

[0066] In addition, the security detection module 500 employs an alcohol detection module 510, located on the left side of the interactive all-in-one machine 610. The alcohol detection module 510 utilizes the principle of an electrochemical sensor to accurately detect the alcohol content in the user's exhaled breath. When the detected alcohol content exceeds a preset safety threshold, a signal is immediately transmitted to the central control module 600, preventing the user from obtaining security permissions and thus prohibiting them from accessing the key.

[0067] In this embodiment, the MCU microprocessor serves as the core control unit, responsible for receiving and processing signals from various components such as the identity recognition module 400, security detection module 500, RFID reading and writing module, and status recognition module 800, and for precisely controlling the locking of the electric lock 300 according to preset logic. The interactive all-in-one machine 610 is located on the front of the cabinet 100, providing users with an intuitive operating interface. Users can view the usage status and operation records of the smart key cabinet through the interactive all-in-one machine 610. Simultaneously, the interactive all-in-one machine 610 receives instructions from the MCU microprocessor to control the demonstration screen 700 to scroll through operation videos.

[0068] The demonstration screen 700 uses a high-definition LCD display, installed on the front of the cabinet 100 and above the interactive all-in-one machine 610. Through an electrical connection with the central control module 600, it continuously plays a meticulously crafted video demonstrating the operation of the smart key cabinet. The video covers the entire process from the user approaching the cabinet 100 for identity verification to successfully retrieving and returning the key, vividly showcasing each step with animation, narration, and other methods to facilitate quick learning and mastery for users.

[0069] The status recognition module 800 consists of individual status lights 810 with color-changing capabilities. Each status light 810 corresponds to a key storage location 130 and is installed in a conspicuous position within that location. For example, when a key is in the key storage location 130 and it is locked, the status light 810 displays red; when the user passes authentication and security checks, the key can be retrieved from that location, and the status light 810 turns green; when the key is removed, the status light 810 displays blue. Through the different color changes of the status lights 810, the user can clearly see the key status of each key storage location 130 and quickly locate the location where the key needs to be retrieved or returned.

[0070] The control circuit of the electric lock 300 is directly connected to the MCU microprocessor in the central control module 600 via a wire. Specifically, the pins of the MCU microprocessor that output control signals are connected to the input terminals of the electric lock 300's drive circuit. When the MCU microprocessor receives dual authorization signals from the identification module 400 and the security detection module 500, it sends a high-level or low-level signal to the electric lock 300's drive circuit. The drive circuit then controls the extension and retraction of the bolt of the electric bolt lock according to the signal, thereby locking and unlocking the key card 210.

[0071] The signal output interface of the fingerprint recognition module 410 and the data transmission interface of the face recognition module 420 are both connected to the corresponding interfaces of the MCU microprocessor in the central control module 600. After completing fingerprint image acquisition and processing, the fingerprint recognition module 410 transmits the recognition result to the MCU microprocessor in the form of a digital signal through a serial communication line; the face recognition module 420 sends the recognized user facial feature data to the MCU microprocessor through a network communication interface (such as an Ethernet interface or a WiFi module). After receiving this data, the MCU microprocessor compares and verifies it with the user information pre-stored in the system to determine whether the user has login privileges.

[0072] The detection signal output terminal of the alcohol detection module 510 is connected to the MCU microprocessor of the central control module 600. When the alcohol detection module 510 detects alcohol in the user's exhaled breath, it converts the analog electrical signal representing the alcohol content into a digital signal, which is then transmitted to the MCU microprocessor via an ADC (analog-to-digital converter, which can be integrated inside the MCU microprocessor or in an external circuit). The MCU microprocessor analyzes and judges the signal according to a preset safety threshold. If the alcohol content exceeds the limit, it refuses to grant the user safety privileges and sends a command to the interactive all-in-one machine 610 to display corresponding prompt information.

[0073] The interactive all-in-one machine 610 in the central control module 600 is connected to the video input interface of the demonstration screen 700 via a video output interface such as HDMI (High Definition Multimedia Interface) or VGA (Video Graphics Array Interface). The interactive all-in-one machine 610 receives instructions from the MCU microprocessor, reads the smart key cabinet operation video file from a storage device (such as an internal hard drive or an external USB flash drive), and transmits the video signal to the demonstration screen 700 for playback through the aforementioned interface.

[0074] The control pins of the color-changing status lights 810 in the status recognition module 800 are connected to the MCU microprocessor in the central control module 600 via parallel I / O ports. Based on the real-time status information of the key storage location 130, the MCU microprocessor outputs different level signals to the control pins of the corresponding status lights 810, controlling the color change of the status lights 810. For example, for a certain key storage location 130, when the key is locked, the MCU microprocessor outputs a low level to the control pin of the status light 810 at that location, causing the status light 810 to display red; when the key is available, it outputs a high level, causing the status light 810 to turn green.

[0075] Preferably, the key card 210 includes a housing 211 and a passive RFID tag 212 disposed within the housing 211. The smart key cabinet also includes an RFID read / write module 900, which is electrically connected to the central control module 600 and is used to perform read / write operations on the passive RFID tag 212.

[0076] The RFID reader / writer module's data communication interface (such as SPI, I2C, etc.) is connected to the MCU microprocessor in the central control module 600. When the key card 210 is inserted into the key slot 131, the RFID reader / writer module emits a radio frequency signal to activate the passive RFID tag inside the key card 210 and reads the key number, category, and other information stored in the tag. This information is transmitted to the MCU microprocessor via the communication interface. The MCU microprocessor compares this information with the key management database in the system to further confirm the key's legitimacy and related operating permissions. Simultaneously, it can update information such as the key's retrieval status in the database.

[0077] Preferably, it also includes a power supply module 180, which includes a switching power supply module 180 electrically connected to the central control module 600 and a backup power supply module 180.

[0078] In this embodiment, the power module 180 is a UPS power supply.

[0079] Preferably, the system also includes a voice module 190 electrically connected to the central control module 600 for outputting corresponding sounds.

[0080] The beneficial effects of this utility model are as follows:

[0081] This invention uses a status recognition module 800 to accurately and quickly indicate the current storage location of the key, eliminating the need for users to blindly search among numerous storage locations. This greatly reduces the time wasted during key retrieval and placement, and significantly improves operational efficiency.

[0082] Meanwhile, a safety detection module 500, such as an alcohol detection module 510, is added to strictly verify the safety status of the key before the user takes it. This can effectively avoid the risk of the user taking the key under dangerous conditions such as being under the influence of alcohol, and protect various venues from the source from safety issues caused by improper use of keys, thus building a solid defense for the safe operation of the venue.

[0083] In addition, the demonstration screen continuously plays a video showing the operation of the smart key cabinet, intuitively and clearly demonstrating the steps. Even novice users can quickly master the operation by watching the video, significantly reducing the learning curve and greatly improving the convenience and user-friendliness.

[0084] Finally, the design of using a standardized key card 210 combined with a fixing rope 220 allows for the unified connection and fixation of various types of keys, breaking the limitations of traditional key cabinets on key types, expanding the applicability of smart key cabinets to various types of keys, and meeting diverse key management needs.

[0085] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A smart key cabinet, characterized in that, include: The cabinet (100) has an openable and closable cabinet door (110) on its front side and several key storage positions (130) are formed inside the cabinet door (110); The key unit (200) includes a standardized key card (210) and a fixing cord (220) integrally bound to the key card (210) for connecting various types of keys; An electric lock (300) is provided in each key storage position (130) to control the locking state of the key card (210) inserted in the key storage position (130); An identity recognition module (400) is located on the front side of the cabinet (100) and is used to identify the user's identity to obtain login permissions; A security detection module (500) is located on the front side of the cabinet (100) and is used to detect the user's current security status to obtain security permissions; The central control module (600) is electrically connected to the electric lock (300), the identity recognition module (400) and the security recognition module, and is used to lock the electric lock (300) after the user obtains login permission and security permission at the same time; A demonstration screen (700) is located on the front side of the cabinet (100) and electrically connected to the central control module (600) for playing operation videos of the smart key cabinet. The status recognition module (800) is electrically connected to the central control module (600) and includes a color-changing status light (810) located at each key storage location (130) to indicate the key status at the current key storage location (130).

2. The smart key cabinet according to claim 1, characterized in that, The identity recognition module (400) includes a fingerprint recognition module (410) and a face recognition module (420).

3. The smart key cabinet according to claim 1, characterized in that, The safety detection module (500) is an alcohol detection module (510).

4. The smart key cabinet according to claim 1, characterized in that, The central control module (600) includes an MCU microprocessor and an interactive all-in-one machine (610), which is located on the front side of the cabinet (100).

5. The smart key cabinet according to claim 1, characterized in that, The electric lock (300) is a telescopic bolt type electric bolt lock, and the key card (210) is provided with a locking hole (230) that engages with the bolt of the electric bolt lock.

6. The intelligent key cabinet according to claim 5, characterized in that, The key storage location (130) includes a key slot (131) that slides with the key card (210). The electric bolt lock is located on the top inner side of the key slot (131), and the bottom surface of the key slot (131) has a locking position (132) that is directly opposite to the output position of the bolt.

7. The intelligent key cabinet according to claim 6, characterized in that, The key slot (131) has symmetrically arranged elastically retractable insert shafts (170) on both sides of the opening. The key card (210) has positioning grooves (240) on both sides that are limited to the insert shafts (170). When the insert shafts (170) are limited to the positioning grooves (240), the locking hole (230) is directly opposite the locking position (132).

8. The intelligent key cabinet according to claim 1, characterized in that, The key card (210) includes a housing (211) and a passive RFID tag (212) disposed in the housing (211). The smart key cabinet also includes an RFID read / write module (900), which is electrically connected to the central control module (600) and is used to read and write the passive RFID tag (212).

9. The intelligent key cabinet according to claim 1, characterized in that, It also includes a power module (180), which includes a switching power supply module (180) electrically connected to the central control module (600) and a backup power supply module (180).

10. The smart key cabinet according to claim 1, characterized in that, It also includes a voice module (190) and an electrical connection to the central control module (600) for outputting corresponding sounds.

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