Laboratory access control device
By introducing lock reminder components and lift cleaning components into the laboratory access control device, the problem of the impact of ‘fake door shutdown’ and fingerprint lock dirt is solved, achieving safety performance improvement and sensitivity maintenance.
Patent Information
- Application Number
- CN202420530153.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2024-12-17
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing laboratory access control devices are prone to "fake closing" during the door closing process, and the residual dirt on the surface of the fingerprint lock affects the sensitivity, and the height of the fingerprint lock cannot be adjusted according to the needs of use.
A laboratory access control device including door frame, opening and closing door, fingerprint lock, lock reminder assembly and lift cleaning assembly was designed. Lock reminder is realized through switch structure and buzzer to avoid false door closing, and to lift motor and cleaning The board adjusts the height of the fingerprint lock and cleans up dirt.
It effectively avoids the phenomenon of "fake door closing", improves safety performance, and adjusts the fingerprint lock height according to the user's height, maintaining the sensitivity and clean state of the fingerprint lock.
Smart Images

Figure CN222192442U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of door access control, in particular to a laboratory door access control device. Background Art
[0002] Access control refers to the prohibition authority of a door, which is a precaution against the door. The "door" here, in a broad sense, includes various passages that can be passed, including doors for people to pass through, doors for vehicles to pass through, etc. Access control is also needed in the laboratory;
[0003] After searching, a Chinese patent with announcement number: CN2032049125U discloses a laboratory safety access control device, including a dangerous reagent marking unit, an access control unit, and a warning evidence unit; the dangerous reagent marking unit is connected to the access control unit; the laboratory technician marking unit is connected to the access control unit; the warning evidence unit is connected to the access control unit; when the access control unit detects that the dangerous reagent marking unit is approaching, it controls the warning evidence unit to issue a warning and collect evidence; the laboratory safety access control device described in the utility model, by setting a dangerous reagent marking unit, an access control unit, and a warning evidence unit, can achieve effective control of laboratory technicians entering and exiting the laboratory and reliable management of laboratory dangerous reagents, effectively prevent the leakage of dangerous reagents, promptly give voice prompts to attempts to carry dangerous reagents out of the laboratory, and take video evidence to record the current situation.
[0004] When this patent is actually used, it has the following defects:
[0005] In this patent, a "false door closing" sometimes occurs during the door closing process, that is, the door appears to be locked successfully, but in fact it is not locked. It can be pushed open with just a slight push, causing hidden dangers and property losses in the laboratory. At the same time, after laboratory personnel use the fingerprint lock for a long time, a layer of dirt formed by the drying of reagents will remain on the surface of the fingerprint lock, affecting the sensitivity, and the height of the fingerprint lock cannot be adjusted according to usage requirements. Utility Model Content
[0006] In view of the technical problems in the existing patents that "false door closing" sometimes occurs during the door closing process, that is, the door appears to be locked successfully, but in fact it is not locked and can be opened with a slight push, causing hidden dangers and property losses in the laboratory. At the same time, after the laboratory personnel use the fingerprint lock for a long time, a dirt layer formed by the drying of reagents will remain on the surface of the fingerprint lock, affecting the sensitivity, and the height of the fingerprint lock cannot be adjusted according to usage requirements, the utility model provides a laboratory access control device.
[0007] The technical solution adopted by the utility model is: a laboratory access control device, including a door frame, an opening and closing door, a fingerprint lock, a locking reminder component and a lifting and cleaning component, the locking reminder component includes a switch structure, a main control board and a buzzer, the main control board and the buzzer are both installed on the top of the front side of the door frame, and the switch structure is installed inside the door frame and corresponds to the opening and closing door.
[0008] Furthermore, the opening and closing door is rotatably mounted on the door frame, the fingerprint lock is mounted on the front side of the door frame, and the lifting and cleaning assembly is mounted inside the door frame and corresponds to the fingerprint lock, so that the height of the fingerprint lock can be adjusted conveniently according to usage requirements.
[0009] Furthermore, a switch cavity is provided at the bottom of the door frame, a guide groove is provided at the top of the switch cavity, and a through hole is provided at the bottom of the switch cavity. The switch structure includes a protrusion, a limit plate, a guide column, a return spring, a pressing column and a switch seat. The protrusion is fixedly welded to the bottom of the limit plate and installed inside the through hole, which is convenient for determining whether the opening and closing door is locked.
[0010] Furthermore, the guide column is fixedly welded to the top of the limit plate and installed inside the guide groove, the two ends of the return spring are respectively welded to the top wall of the switch cavity and the top of the limit plate and are sleeved on the outside of the guide column, the switch seat is installed on the top wall of the switch cavity, and the pressing column is fixedly welded to the top of the limit plate and corresponds to the switch seat, so as to facilitate controlling the buzzer to emit a prompt sound when locking.
[0011] Furthermore, a lifting groove is opened on the front side of the door frame, and the lifting cleaning assembly includes a lifting structure and a cleaning plate. The lifting structure is installed inside the lifting groove, and the cleaning plate is fixedly welded between the inner walls of the lifting groove. A cleaning pad is installed on the inside of the cleaning plate. The fingerprint lock is driven to move by the lifting structure to control the relative position of the fingerprint lock and the cleaning plate.
[0012] Furthermore, a guide slot is provided on the inner side wall of the lifting slot, and the lifting structure includes a tooth plate, a lifting box, a guide slider and a gear. The tooth plate is fixedly welded to the inner side wall of the lifting slot, and the guide slider is fixedly welded to one side of the lifting box and is slidably connected to the inside of the guide slot, so as to facilitate guiding the lifting work.
[0013] Furthermore, a lifting motor is installed inside the lifting box by bolts, the gear is fixedly welded on the output shaft of the lifting motor and meshes with the tooth plate, and the fingerprint lock is installed on the front side of the lifting box and corresponds to the cleaning plate, so as to facilitate the adjustment of the height of the fingerprint lock according to the height of the user and to clean the fingerprint lock when it is stored.
[0014] The beneficial effects of the utility model are as follows: compared with the prior art, in the utility model,
[0015] 1. By opening and closing the door, the convex block is squeezed, and the convex block drives the limit plate to move. The limit plate drives the guide column to move in the guide groove to perform the guiding work. The limit plate squeezes the reset spring, and the limit plate drives the pressing column to enter the switch seat to trigger the switch. The information is transmitted to the main control board. The main control board controls the buzzer to sound a prompt after information processing, reminding the staff that the locking is completed, avoiding "false door closing" and improving safety performance.
[0016] 2. The gear is driven to rotate by the lifting motor, and the gear moves along the toothed plate. The lifting box drives the guide slider and the fingerprint lock to move. The guide slider slides in the guide slot. The height of the fingerprint lock is adjusted according to the height of the user for easy use. When it is not needed, the fingerprint lock is moved to the top of the lifting slot. During the movement, the fingerprint lock fits against the cleaning pad to clean the surface of the fingerprint lock to avoid affecting the sensitivity and improve the use effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model when viewed from above;
[0019] Figure 3 It is a three-dimensional structural schematic diagram of the switch structure in the utility model;
[0020] Figure 4 It is a three-dimensional structural schematic diagram of the lifting structure in the utility model.
[0021] The markings in the figure are: 1. Door frame; 2. Opening and closing door; 3. Fingerprint lock; 4. Lock reminder component; 5. Lifting and cleaning component; 6. Switch structure; 7. Main control board; 8. Buzzer; 9. Bump; 10. Limit plate; 11. Guide column; 12. Reset spring; 13. Pressing column; 14. Switch seat; 15. Lifting structure; 16. Cleaning plate; 17. Tooth plate; 18. Lifting box; 19. Guide slider; 20. Gear. DETAILED DESCRIPTION
[0022] In the description of the present invention, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.
[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0024] The following is combined with Figure 1-4 The utility model is further described.
[0025] In order to solve the problems existing in the background technology, the present application proposes the following technical solution: a laboratory access control device.
[0026] The specific technical scheme includes a door frame 1, an opening and closing door 2, a fingerprint lock 3, a lock reminder component 4 and a lifting and cleaning component 5. The lock reminder component 4 includes a switch structure 6, a main control board 7 and a buzzer 8. The main control board 7 and the buzzer 8 are both installed on the top of the front side of the door frame 1. The switch structure 6 is installed inside the door frame 1 and corresponds to the opening and closing door 2. The opening and closing door 2 is rotatably installed on the door frame 1. The fingerprint lock 3 is installed on the front side of the door frame 1. The lifting and cleaning component 5 is installed inside the door frame 1 and corresponds to the fingerprint lock 3.
[0027] Reference Figure 1 , Figure 2 , Figure 3 The door frame 1 has a switch cavity at the bottom, a guide groove at the top of the switch cavity, and a through hole at the bottom of the switch cavity. The switch structure 6 includes a convex block 9, a limit plate 10, a guide column 11, a reset spring 12, a pressing column 13 and a switch seat 14. The convex block 9 is fixedly welded to the bottom of the limit plate 10 and installed inside the through hole. The guide column 11 is fixedly welded to the top of the limit plate 10 and installed inside the guide groove. The two ends of the reset spring 12 are respectively welded to the top wall of the switch cavity and the top of the limit plate 10 and are sleeved on the outside of the guide column 11. The switch seat 14 is installed in the switch cavity. On the top wall, the pressing column 13 is fixedly welded to the top of the limit plate 10 and corresponds to the switch seat 14. The protrusion 9 is squeezed by opening and closing the door 2, and the protrusion 9 drives the limit plate 10 to move. The limit plate 10 drives the guide column 11 to move in the guide groove to perform guiding work. The limit plate 10 squeezes the reset spring 12, and the limit plate 10 drives the pressing column 13 to enter the switch seat 14 to trigger the switch. The information is transmitted to the main control board 7. The main control board 7 controls the buzzer 8 to emit a prompt sound after information processing, reminding the staff that the locking is completed to avoid "false door closing" and improve safety performance.
[0028] Reference Figure 1 , Figure 2 , Figure 4A lifting slot is provided on the front side of the door frame 1, and the lifting cleaning assembly 5 includes a lifting structure 15 and a cleaning plate 16. The lifting structure 15 is installed inside the lifting slot, and the cleaning plate 16 is fixedly welded between the inner side walls of the lifting slot. A cleaning pad is installed on the inner side of the cleaning plate 16, and a guide slide slot is provided on the inner side wall of the lifting slot. The lifting structure 15 includes a tooth plate 17, a lifting box 18, a guide slider 19 and a gear 20. The tooth plate 17 is fixedly welded on the inner side wall of the lifting slot, and the guide slider 19 is fixedly welded on one side of the lifting box 18 and is slidably connected inside the guide slide slot. A lifting motor is installed inside the lifting box 18 by bolts, and the gear 20 is fixed Welded on the output shaft of the lifting motor and meshed with the tooth plate 17, the fingerprint lock 3 is installed on the front side of the lifting box 18 and corresponds to the cleaning plate 16. The gear 20 is driven to rotate by the lifting motor, and the gear 20 moves along the tooth plate 17. The lifting box 18 drives the guide slider 19 and the fingerprint lock 3 to move. The guide slider 19 slides in the guide groove. The height of the fingerprint lock 3 is adjusted according to the height of the user for easy use. When it is not needed, the fingerprint lock 3 is moved to the top of the lifting groove. During the movement, the fingerprint lock 3 is fitted with the cleaning pad to clean the surface of the fingerprint lock 3 to avoid affecting the sensitivity and improve the use effect.
[0029] In order for those skilled in the art to fully understand the technical solution, this application makes the following overall summary:
[0030] When in use, the gear 20 is driven to rotate by the lifting motor, and the gear 20 moves along the toothed plate 17, and the lifting box 18 drives the guide slider 19 and the fingerprint lock 3 to move, and the guide slider 19 slides in the guide slide groove, and the height of the fingerprint lock 3 is adjusted according to the height of the user, which is convenient for use. When it is not needed, the fingerprint lock 3 is moved to the top of the lifting groove. During the movement, the fingerprint lock 3 is fitted with the cleaning pad to clean the surface of the fingerprint lock 3 to avoid affecting the sensitivity and improve the use effect. When the staff leaves the laboratory and closes the door, the opening and closing door 2 squeezes the protrusion 9, and the protrusion 9 drives the limit plate 10 to move, and the limit plate 10 drives the guide column 11 to move in the guide groove for guiding work. The limit plate 10 squeezes the reset spring 12, and the limit plate 10 drives the pressing column 13 to enter the switch seat 14 to trigger the switch, and the information is transmitted to the main control board 7. The main control board 7 controls the buzzer 8 to emit a prompt sound after information processing, reminding the staff that the locking is completed, avoiding "false door closing" and improving safety performance.
[0031] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.
[0032] Although the embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A laboratory access control device, characterized in that: The invention comprises a door frame (1), an opening and closing door (2), a fingerprint lock (3), a locking reminder component (4) and a lifting and cleaning component (5); the locking reminder component (4) comprises a switch structure (6), a main control board (7) and a buzzer (8); the main control board (7) and the buzzer (8) are both installed at the top of the front side of the door frame (1); the switch structure (6) is installed inside the door frame (1) and corresponds to the opening and closing door (2); a switch cavity is provided at the bottom of the door frame (1); a guide groove is provided at the top of the switch cavity; a through hole is provided at the bottom of the switch cavity; the switch structure (6) comprises a protrusion (9), a limit plate (10), and a guide column (11); (11), a reset spring (12), a pressing column (13) and a switch seat (14), the protrusion (9) is fixedly welded to the bottom of the limit plate (10) and installed inside the through hole, the guide column (11) is fixedly welded to the top of the limit plate (10) and installed inside the guide groove, the two ends of the reset spring (12) are respectively welded to the top wall of the switch cavity and the top of the limit plate (10) and are sleeved on the outside of the guide column (11), the switch seat (14) is installed on the top wall of the switch cavity, and the pressing column (13) is fixedly welded to the top of the limit plate (10) and corresponds to the switch seat (14).
2. A laboratory access control device according to claim 1, characterized in that: The opening and closing door (2) is rotatably mounted on the door frame (1), the fingerprint lock (3) is mounted on the front side of the door frame (1), and the lifting and cleaning component (5) is mounted inside the door frame (1) and corresponds to the fingerprint lock (3).
3. A laboratory access control device according to claim 1, characterized in that: A lifting slot is provided on the front side of the door frame (1); the lifting cleaning assembly (5) comprises a lifting structure (15) and a cleaning plate (16); the lifting structure (15) is installed inside the lifting slot; the cleaning plate (16) is fixedly welded between the inner side walls of the lifting slot; and a cleaning pad is installed inside the cleaning plate (16).
4. A laboratory access control device according to claim 3, characterized in that: A guide slot is provided on the inner side wall of the lifting slot. The lifting structure (15) comprises a tooth plate (17), a lifting box (18), a guide slide block (19) and a gear (20). The tooth plate (17) is fixedly welded to the inner side wall of the lifting slot. The guide slide block (19) is fixedly welded to one side of the lifting box (18) and is slidably connected to the inside of the guide slot.
5. A laboratory access control device according to claim 4, characterized in that: A lifting motor is installed inside the lifting box (18) by bolts, the gear (20) is fixedly welded on the output shaft of the lifting motor and meshes with the toothed plate (17), and the fingerprint lock (3) is installed on the front side of the lifting box (18) and corresponds to the cleaning plate (16).
