CN116085615A - Campus card reader with face recognition function - Google Patents

Campus card reader with face recognition function Download PDF

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Publication number
CN116085615A
CN116085615A CN202310114023.4A CN202310114023A CN116085615A CN 116085615 A CN116085615 A CN 116085615A CN 202310114023 A CN202310114023 A CN 202310114023A CN 116085615 A CN116085615 A CN 116085615A
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CN
China
Prior art keywords
card reader
face recognition
frame
recognition function
screw rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310114023.4A
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Chinese (zh)
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CN116085615B (en
Inventor
喻丹
贺衡湘
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Hunan Anzhi Network Technology Co ltd
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Hunan Anzhi Network Technology Co ltd
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Priority to CN202310114023.4A priority Critical patent/CN116085615B/en
Publication of CN116085615A publication Critical patent/CN116085615A/en
Application granted granted Critical
Publication of CN116085615B publication Critical patent/CN116085615B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
    • B08B1/143—Wipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
    • B08B11/04—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto specially adapted for plate glass, e.g. prior to manufacture of windshields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/242—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by spreading of the legs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • F16M11/28—Undercarriages for supports with one single telescoping pillar
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161—Detection; Localisation; Normalisation
    • G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Cleaning In General (AREA)

Abstract

The invention provides a campus card reader with a face recognition function, which comprises a base, a telescopic bracket, a host, a first adjusting mechanism, a fixing piece, a second adjusting mechanism, a cleaning mechanism and a control terminal, wherein the campus card reader and face recognition work are carried out through a display screen, an IC card reader, a voice broadcasting device, a wireless communication module and a front camera on the display screen, the identity of a cardholder is confirmed, the position of the host is adjusted by the first adjusting mechanism, the fixing piece and the second adjusting mechanism, the installation and the use are convenient, the controller can transmit an image shot by the front camera to the control terminal through the wireless communication module, an image pixel processing module of the control terminal judges whether the image is fuzzy, and when the image is fuzzy, the controller starts the cleaning mechanism to carry out automatic cleaning work on a screen, thereby being beneficial to maintaining the shooting effect of the host and being beneficial to the normal face recognition work of the host.

Description

Campus card reader with face recognition function
Technical Field
The invention relates to the technical field of intelligent campus, in particular to a campus card reader with a face recognition function.
Background
The intelligent campus is an intelligent campus work, study and life integrated environment, the intelligent campus is based on the Internet of things, an application service system is used as a carrier to match with a campus card, and functions of dormitory access control, supermarket shopping, library data inquiry, classroom card punching and the like are achieved through the campus card and various intelligent devices, so that convenience is brought to campus life.
Based on the discovery of the prior art, card readers of most intelligent devices on campuses are not provided with a face recognition function, so that the problem of theft of the campuses cards frequently occurs, in order to solve the problem, card swiping devices with cameras are developed at present, the cameras are utilized for carrying out face recognition, but the card swiping devices are not easy to adjust the positions of the cameras according to actual conditions, and usually, the card swiping devices are required to be matched with fixing frames with different specifications for use, so that the universality is low; in addition, the existing face recognition card swiping equipment is easy to accumulate dust after long-term use, so that a display screen and a camera are blurred, and the face recognition work of the face recognition card swiping equipment on a human body is affected.
Disclosure of Invention
The invention aims to solve the problems by providing a campus card reader with a face recognition function aiming at the defects in the technology.
The invention provides a campus card reader with a face recognition function, which comprises the following steps:
the device comprises a base, wherein a telescopic frame is rotatably arranged on the base, an installation seat is rotatably arranged at the free end of the telescopic frame, a host is arranged on the installation seat, the host comprises a controller, and a display screen, an IC card reader, a voice broadcast device and a wireless communication module which are electrically connected with the controller, and a front camera is arranged on the display screen;
the first adjusting mechanism is arranged on the base and used for adjusting the angle position of the telescopic frame;
the fixing piece is arranged on the telescopic frame and used for adjusting the telescopic amount of the telescopic frame;
the second adjusting mechanism is arranged on the mounting seat and used for adjusting the angle position of the mounting seat;
the cleaning mechanism is arranged on the mounting seat and used for cleaning the display screen, and the controller is electrically connected with the cleaning mechanism;
the control terminal is in communication connection with the wireless communication module and can control the working state of the controller through the communication module, and the control terminal comprises a portrait identification module and an image processing module for judging whether an image is blurred.
Preferably, the first adjusting mechanism comprises a rotating handle, a screw rod and a nut, clamping plates are arranged on the base in pairs, the screw rod can penetrate through the clamping plates and the telescopic frame to enable the telescopic frame to be rotatably installed on the clamping plates, the rotating handle is arranged on the screw rod and used for driving the screw rod to rotate, and the screw rod can be matched with the nut to drive the clamping plates to clamp the telescopic frame on the base.
Preferably, the clamping plate is provided with a limiting groove for the nut to be embedded and installed.
Preferably, the expansion bracket comprises a mounting frame and a moving frame, the moving frame is movably mounted on the mounting frame, the fixing piece is a buckle provided with a torsion spring, the buckle is rotatably mounted on the mounting frame, a plurality of clamping grooves for clamping the buckle are arranged on the moving frame in an array manner, and the torsion spring can act on the buckle so that the buckle is elastically clamped on the clamping grooves.
Preferably, the telescopic frame is provided with a mounting column, the mounting seat is provided with a sleeve, and the sleeve is rotatably mounted on the mounting column.
Preferably, the second adjusting mechanism comprises a crown gear disc and an elastic component, a square block is arranged on the crown gear disc, a square groove for moving and installing the square block is arranged on the sleeve, a crown gear part for the crown gear disc to engage is arranged on the installing column, and the elastic component can push against the square block so that the crown gear disc can be elastically abutted to the crown gear part.
Preferably, the elastic component comprises a compression spring and a screw cap, a screw handle is arranged on the screw cap, the screw cap is installed on the sleeve in a threaded mode, the compression spring is installed at the interval between the screw cap and the square block, and the compression spring can push against the square block to enable the crown gear plate to be elastically abutted to the crown gear portion.
Preferably, the cleaning mechanism comprises a driving motor, a screw rod, a translation frame and a liquid spraying component, the translation frame is movably arranged on the mounting seat, cotton cloth for wiping the display screen is arranged on the translation frame, the driving motor is arranged on the mounting seat, the driving motor is connected with the screw rod in a transmission manner and can drive the screw rod to rotate, a screw hole matched with the screw rod is formed in the translation frame, and the liquid spraying component can cooperate with the moving process of the movement frame to provide cleaning liquid for the display screen.
Preferably, the liquid spraying assembly comprises a liquid storage tank, a piston cylinder, a piston rod, a liquid inlet pipe, a liquid outlet pipe and a one-way valve, wherein cleaning liquid is stored in the liquid storage tank, the liquid inlet pipe and the liquid outlet pipe are both provided with the one-way valve, the piston rod is fixed on the mounting seat, the piston cylinder is movably mounted on the mounting seat, the two side end parts of the piston cylinder are respectively provided with a first pushing part and a second pushing part for pushing the movable frame, one end of the liquid outlet pipe is communicated with the piston cylinder, the other end of the liquid outlet pipe is fixed at the upper end of the movable frame, and the liquid inlet pipe is used for communicating the piston cylinder with the liquid storage tank.
Compared with the prior art, the invention has the following beneficial effects:
the intelligent card reader comprises a display screen, an IC card reader, a voice broadcasting device, a wireless communication module and a front camera on the display screen, wherein the campus card reader and the face recognition work are carried out through the display screen on the host, the identity of a cardholder is confirmed, the host is adjusted in height and angle through a first adjusting mechanism, a fixing piece and a second adjusting mechanism, the intelligent card reader is convenient to install and use, the controller can transmit an image shot by the front camera to a control terminal through the wireless communication module, the image processing module of the control terminal judges whether the image is fuzzy, and when the image is fuzzy, the controller starts a cleaning mechanism to carry out automatic cleaning work on the screen, so that the shooting effect of the host is maintained, and the host is facilitated to normally carry out face and face recognition work.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a cleaning mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view illustrating the structures of the liquid inlet pipe, the piston cylinder and the liquid outlet pipe according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a second adjusting mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic view of a first adjusting mechanism according to an embodiment of the present invention;
fig. 6 is a schematic diagram of electrical connection between a controller and other devices according to an embodiment of the invention.
In the figure, a 1-base; 11-clamping plates; 111-limit grooves; 2-a telescopic frame; 21-a mounting rack; 22-a mobile frame; 221-a clamping groove; 222-mounting posts; 223-crown teeth; 3-mounting seats; 31-sleeve; 311-square groove; 4-a host; 41-a controller; 42-a display screen; 43-IC card reader; 44-a voice broadcaster; 45-a wireless communication module; 46-a front camera; 5-fixing pieces; 6-a first adjustment mechanism; 61-turning handle; 62-screw; 63-a nut; 7-a second adjustment mechanism; 71-a crown disk; 711 square block; 72-an elastic component; 721-compressing the spring; 722-a threaded cap; 723-a knob; 8-a cleaning mechanism; 81-driving a motor; 82-screw rod; 83-a translation frame; 84-a spray assembly; 841-a liquid storage tank; 842 a piston cylinder; 8421-first abutment; 8422-a second abutment; 843-piston rod; 844-liquid inlet pipe; 845-a liquid outlet pipe; 846-one-way valve; 9-control terminal.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
Example 1:
referring to fig. 1 to 6, the present invention provides a campus card reader with face recognition function, comprising:
the device comprises a base 1, wherein a telescopic frame 2 is rotatably arranged on the base 1, an installation seat 3 is rotatably arranged at the free end of the telescopic frame 2, a host 4 is arranged on the installation seat 3, the host 4 comprises a controller 41, a display screen 42 electrically connected with the controller 41, an IC card reader 43, a voice broadcasting device 44 and a wireless communication module 45, and a front camera 46 is arranged on the display screen 42;
the first adjusting mechanism 6 is arranged on the base 1 and used for adjusting the angle position of the telescopic frame 2;
the fixing piece 5 is arranged on the telescopic frame 2 and used for adjusting the telescopic amount of the telescopic frame 2;
a second adjusting mechanism 7, the second adjusting mechanism 7 being disposed on the mount 3 and being used for adjusting the angular position of the mount 3;
the cleaning mechanism 8 is arranged on the mounting seat 3 and is used for cleaning the display screen 42, and the controller 41 is electrically connected with the cleaning mechanism 8;
and a control terminal 9, wherein the control terminal 9 is in communication connection with the wireless communication module 45 and can control the working state of the controller 41 through the communication module, and the control terminal 9 comprises an image processing module capable of carrying out a portrait identification module and judging whether an image is blurred. The remote control terminal 9 is an intelligent device such as a mobile phone and a computer, and the controller 41 is a control system composed of a plurality of STM32 singlechips.
The campus card reading and face recognition work is carried out through the display screen 42, the IC card reader 43, the voice broadcasting device 44, the wireless communication module 45 and the front camera 46 on the display screen 42 on the host computer 4, the identity of a cardholder is confirmed, the height and the angle of the host computer 4 are adjusted through the first adjusting mechanism 6, the fixing piece 5 and the second adjusting mechanism 7, the installation and the use are convenient, the controller 41 can transmit an image shot by the front camera 46 to the control terminal 9 through the wireless communication module 45, the image processing module of the control terminal 9 judges whether the image is fuzzy, and when the image is fuzzy, the controller 41 starts the cleaning mechanism 8 to carry out the automatic cleaning work on the screen, thereby being beneficial to maintaining the shooting effect of the host computer 4 and being beneficial to the normal face recognition work of the host computer 4.
Specifically, the first adjusting mechanism 6 includes a rotating handle 61, a screw 62 and a nut 63, the base 1 is provided with clamping plates 11 in pairs, the screw 62 can pass through the clamping plates 11 and the expansion bracket 2 to rotatably mount the expansion bracket 2 on the clamping plates 11, the rotating handle 61 is arranged on the screw 62 and is used for driving the screw 62 to rotate, and the screw 62 can drive the clamping plates 11 to clamp the expansion bracket 2 on the base 1 in cooperation with the nut 63.
Specifically, the clamping plate 11 is provided with a limiting groove 111 for embedding and installing the nut 63.
Through the splint 11 cooperation turning handle 61, screw rod 62 and the nut 63 that set up in pairs on the base 1, after expansion bracket 2 corner is confirmed, twist turning handle 61 and drive screw rod 62 rotation, screw rod 62 cooperation nut 63 orders about paired splint 11 to fix expansion bracket 2, realizes the angle adjustment work of expansion bracket 2.
Specifically, the expansion bracket 2 includes the mounting bracket 21 and removes the frame 22, removes the frame 22 and removes the installation on the mounting bracket 21, and mounting 5 includes buckle and torsional spring, and the buckle rotates to be installed on the mounting bracket 21, removes the draw-in groove 221 that the array was arranged a plurality of confession buckle chucking on the frame 22, and the torsional spring can act on the buckle so that buckle elasticity chucking is on draw-in groove 221.
Example 2:
referring to fig. 1 to 6, in combination with the technical solution of embodiment 1, in this embodiment, the expansion bracket 2 includes a mounting frame 21 and a moving frame 22, the moving frame 22 is movably mounted on the mounting frame 21, the fixing member 5 is a buckle with a torsion spring, the buckle is rotatably mounted on the mounting frame 21, a plurality of clamping grooves 221 for clamping the buckle are arranged on the moving frame 22 in an array manner, and the torsion spring can act on the buckle to enable the buckle to be elastically clamped on the clamping grooves 221.
When the expansion amount of the expansion bracket 2 needs to be adjusted, the clamping state of the clamping buckle and the clamping groove 221 can be released by rotating the clamping buckle by one hand of a worker, the moving bracket 22 is driven to move to a designated position relative to the mounting bracket 21 by the other hand of the worker, after the external force at the clamping buckle position is removed, the clamping groove 221 on the moving bracket 22 is clamped again by the clamping buckle under the action of the torsion spring, and the expansion amount of the expansion bracket 2 is adjusted, namely the height position of the host 4 is adjusted.
Specifically, the telescopic frame 2 is provided with a mounting column 222, the mounting seat 3 is provided with a sleeve 31, and the sleeve 31 is rotatably mounted on the mounting column 222.
Specifically, the second adjusting mechanism 7 includes a crown disc 71 and an elastic component 72, the crown disc 71 is provided with a square block 711, the sleeve 31 is provided with a square groove 311 for moving and installing the square block 711, the installation column 222 is provided with a crown tooth portion 223 for engaging the crown disc 71, and the elastic component 72 can push the square block 711 so that the crown disc 71 can be elastically abutted on the crown tooth portion 223.
Specifically, the elastic assembly 72 includes a compression spring 721 and a screw cap 722, a screw stem 723 is provided on the screw cap 722, the screw cap 722 is screwed on the sleeve 31, the compression spring 721 is installed at a position where the screw cap 722 is spaced from the square block 711, and the compression spring 721 can push the square block 711 so that the square block 711 can be elastically abutted on the crown gear portion 223.
The screw cap 722 is driven to rotate by rotating the screw handle 723, the screw cap 722 drives the compression spring 721 to compress so as to adjust the pretightening force of the crown disc 71 and the crown tooth part 223 through the compression spring 721 and the square block 711, the mounting seat 3 is not easy to rotate relative to the telescopic frame 2 under the action of non-artificial force application, and the worker applies force to drive the mounting seat 3 to rotate, in the process, a crown tooth on the crown disc 71 moves along the crown tooth inclined plane on the current crown tooth part 223, and the crown disc 71 moves out of the crown tooth part 223 and automatically clamps into the next crown tooth part under the action of the elasticity of the compression spring 721, so that the angle position of the mounting seat 3 is quickly adjusted.
Example 3:
referring to fig. 1 to 6, in combination with the technical solutions of embodiment 1 and embodiment 2, in this embodiment, the cleaning mechanism 8 includes a driving motor 81, a screw rod 82, a translation frame 83 and a liquid spraying component 84, the translation frame 83 is movably mounted on the mounting seat 3, cotton cloth for wiping the display screen 42 is disposed on the translation frame 83, the driving motor 81 is disposed on the mounting seat 3, the driving motor 81 is in transmission connection with the screw rod 82 and can drive the screw rod 82 to rotate, a screw hole matched with the screw rod 82 is disposed on the translation frame 83, and the liquid spraying component 84 can provide cleaning liquid for the display screen 42 in cooperation with the moving process of the moving frame 22.
Specifically, the liquid spraying assembly 84 includes a liquid storage tank 841, a piston cylinder 842, a piston rod 843, a liquid inlet pipe 844, a liquid outlet pipe 845 and a check valve 846, the cleaning liquid is stored in the liquid storage tank 841, the liquid inlet pipe 844 and the liquid outlet pipe 845 are both provided with the check valve 846, the piston rod 843 is fixed on the mounting seat 3, the piston cylinder 842 is movably mounted on the mounting seat 3, two side end parts of the piston cylinder 842 are respectively provided with a first pushing part 8421 and a second pushing part 8422 for pushing the movable frame 22, one end of the liquid outlet pipe 845 is communicated with the piston cylinder 842, the other end of the liquid outlet pipe 845 is fixed at the upper end of the movable frame 22, and the liquid inlet pipe 844 is used for communicating the piston cylinder 842 with the liquid storage tank 841.
The screw rod 82 is driven to rotate by the driving motor 81, the screw rod 82 is matched with a screw hole on the translation frame 83 to drive the translation frame 83 to move, and the screen is cleaned by cotton cloth in the moving process of the translation frame 83; when the moving frame 22 moves to be abutted against the first abutting part and continues to move, the moving frame 22 drives the piston tube 842 to approach the piston rod 843, wherein the one-way valve 846 at the liquid inlet tube 844 only allows liquid to flow from the liquid storage tank 841 to the piston tube 842, the one-way valve 846 at the liquid outlet tube 845 only allows liquid to flow from the piston tube 842 to pass through the liquid outlet tube 845, cleaning liquid in the piston tube 842 is extruded by the piston rod 843 (at the moment, the one-way valve 846 at the liquid outlet tube 845 is opened, the one-way valve 846 at the liquid inlet tube 844 is closed), and the cleaning liquid flows to the surface of the display screen 42 along the liquid outlet tube 845 and cooperates with cotton cloth on the moving frame 22 to perform cleaning work; when the translation frame 83 moves reversely until the translation frame is abutted against the second abutting part and moves continuously, the cotton cloth on the translation frame 83 wipes the cleaning solution on the screen, the piston cylinder 842 is far away from the piston rod 843 (at the moment, the one-way valve 846 at the liquid outlet pipe 845 is closed, the one-way valve 846 at the liquid inlet pipe 844 is opened), and the cleaning solution flows into the piston cylinder 842 along the liquid inlet pipe 844 to carry out fluid supplementing operation, so that the next liquid spraying cleaning operation on the screen is facilitated.
Wherein, the liquid inlet pipe 844 is detachably connected with the liquid storage tank 841 by adopting a conventional pipeline of a thread bush matched with a rubber ring, so that the liquid storage tank 841 can be conveniently detached as required to carry out cleaning liquid supplementing work.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present invention fall within the protection scope of the present invention.

Claims (9)

1. Campus card reader with face recognition function, characterized by comprising:
the device comprises a base, wherein a telescopic frame is rotatably arranged on the base, an installation seat is rotatably arranged at the free end of the telescopic frame, a host is arranged on the installation seat, the host comprises a controller, and a display screen, an IC card reader, a voice broadcast device and a wireless communication module which are electrically connected with the controller, and a front camera is arranged on the display screen;
the first adjusting mechanism is arranged on the base and used for adjusting the angle position of the telescopic frame;
the fixing piece is arranged on the telescopic frame and used for adjusting the telescopic amount of the telescopic frame;
the second adjusting mechanism is arranged on the mounting seat and used for adjusting the angle position of the mounting seat;
the cleaning mechanism is arranged on the mounting seat and used for cleaning the display screen, and the controller is electrically connected with the cleaning mechanism;
the control terminal is in communication connection with the wireless communication module and can control the working state of the controller through the communication module, and the control terminal comprises a portrait identification module and an image processing module for judging whether an image is blurred.
2. The campus card reader with face recognition function according to claim 1, wherein:
the first adjusting mechanism comprises a rotating handle, a screw rod and a nut, clamping plates are arranged on the base in pairs, the screw rod can penetrate through the clamping plates and the telescopic frame to enable the telescopic frame to be rotatably installed on the clamping plates, the rotating handle is arranged on the screw rod and used for driving the screw rod to rotate, and the screw rod can be matched with the nut to drive the clamping plates to clamp the telescopic frame on the base.
3. The campus card reader with face recognition function according to claim 2, wherein:
and the clamping plate is provided with a limiting groove for embedding and installing the nut.
4. The campus card reader with face recognition function according to claim 1, wherein:
the telescopic rack comprises a mounting rack and a moving rack, the moving rack is movably mounted on the mounting rack, the fixing piece is a buckle provided with a torsion spring, the buckle is rotatably mounted on the mounting rack, a plurality of clamping grooves for clamping the buckle are arranged on the moving rack in an array mode, and the torsion spring can act on the buckle to enable the buckle to be elastically clamped on the clamping grooves.
5. The campus card reader with face recognition function according to claim 1, wherein:
the telescopic bracket is provided with a mounting column, the mounting seat is provided with a sleeve, and the sleeve is rotatably mounted on the mounting column.
6. The campus card reader with face recognition function according to claim 5, wherein:
the second adjusting mechanism comprises a crown disc and an elastic component, a square block is arranged on the crown disc, a square groove for moving and installing the square block is arranged on the sleeve, a crown tooth part for the crown disc to be meshed is arranged on the installing column, and the elastic component can push against the square block so that the crown disc can be elastically abutted to the crown tooth part.
7. The campus card reader with face recognition function of claim 6, wherein:
the elastic component includes compression spring and screw thread lid, be provided with the spiral handle on the screw thread lid, screw thread lid screw thread is installed on the sleeve, compression spring installs screw thread lid with square piece interval department, compression spring can support the pushing away square piece is in order to make square piece in order to make the elasticity butt of crown gear disk is in on the crown gear.
8. The campus card reader with face recognition function according to claim 1, wherein:
the cleaning mechanism comprises a driving motor, a screw rod, a translation frame and a liquid spraying component, wherein the translation frame is movably installed on the installation seat, cotton cloth used for wiping the display screen is arranged on the translation frame, the driving motor is arranged on the installation seat, the driving motor is connected with the screw rod in a transmission mode and can drive the screw rod to rotate, a screw hole matched with the screw rod is formed in the translation frame, and the liquid spraying component can cooperate with the moving process of the movement frame to provide cleaning liquid for the display screen.
9. The campus card reader with face recognition function of claim 8, wherein:
the liquid spraying assembly comprises a liquid storage tank, a piston cylinder, a piston rod, a liquid inlet pipe, a liquid outlet pipe and a one-way valve, wherein cleaning liquid is stored in the liquid storage tank, the liquid inlet pipe and the liquid outlet pipe are both provided with the one-way valve, the piston rod is fixed on the mounting seat, the piston cylinder is movably mounted on the mounting seat, the end parts of two sides of the piston cylinder are respectively provided with a first pushing part and a second pushing part for pushing the movable frame, one end of the liquid outlet pipe is communicated with the piston cylinder, the other end of the liquid outlet pipe is fixed at the upper end of the movable frame, and the liquid inlet pipe is used for communicating the piston cylinder with the liquid storage tank.
CN202310114023.4A 2023-02-15 2023-02-15 Campus card reader with face recognition function Active CN116085615B (en)

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CN213876849U (en) * 2020-12-28 2021-08-03 深圳市云启新创科技有限公司 Intelligent face recognition entrance guard attendance temperature measurement all-in-one machine
CN114251570A (en) * 2021-12-01 2022-03-29 深圳市荣国星光电科技有限公司 Display screen and display screen driving method
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204576620U (en) * 2015-04-14 2015-08-19 温州旭辉科技有限公司 Intelligent Checking on Work Attendance machine
CN207097370U (en) * 2017-07-26 2018-03-13 深圳市瑞艾特科技有限公司 A kind of LED display angle demodulator
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