CN216145215U

CN216145215U - Intelligent classroom roll call device

Info

Publication number: CN216145215U
Application number: CN202120539753.5U
Authority: CN
Inventors: 管文; 朱云阳; 黄磊; 韩琦; 刘启明
Original assignee: Jiangsu Aviation Technical College
Current assignee: Jiangsu Aviation Technical College
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2022-03-29
Anticipated expiration: 2031-03-16

Abstract

The utility model discloses an intelligent class roll call device, which comprises a plurality of distributed monitoring units, wherein each distributed monitoring unit comprises a camera assembly, a microprocessor, a local memory and a face detection system, wherein the camera assembly, the microprocessor, the local memory and the face detection system are arranged on a table body; the camera component is used for collecting an image of a certain angle of the face; a local storage for storing a face image of a specific angle in advance; the microprocessor is used for receiving and processing the image information collected by the camera assembly; the face detection system is used for calling the image information processed by the microprocessor to be compared with the image in the local memory for identity recognition; the camera assembly is arranged on the desk body, and the desk body is provided with a camera assembly recovery mechanism used for storing the camera assembly. This system can shoot and face identification system to machine vision, discerns the student identity to arriving, accomplishes the record operation of calling roll fast to discernment completion back camera subassembly can be accomodate automatically, does not occupy the table body space, and the security is better.

Description

Intelligent classroom roll call device

Technical Field

The utility model belongs to the technical field of attendance checking systems, and particularly relates to an intelligent class roll call device.

Background

When examining the class attendance rate, there are usually active and passive answering ways, i.e. check-in and roll call in the traditional sense. In the attendance checking mode for checking in, in the prior art, the check-in information of a user is acquired through an acquisition device such as a fingerprint acquisition device and a card punching device, and then the check-in information of the user is acquired through a local area network or other auxiliary equipment such as a computer. The prior art has the problems that the authenticity of sign-in information is difficult to ensure without identity authentication; the sign-in information of the user cannot be fed back in real time, and the data acquisition speed is low; when the check-in information of the user is acquired through a local area network or other auxiliary equipment such as a computer, special personnel is needed to store, count and the like the information. Traditional roll call wastes time and energy, has caused the burden of teacher's work, so need design more intelligent classroom attendance device and drop into practicality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an intelligent class roll call device which is put into use to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an intelligent classroom roll call device comprises a plurality of distributed monitoring units, wherein each distributed monitoring unit comprises a camera assembly, a microprocessor, a local memory and a face detection system which are arranged on a table body;

the camera component is used for collecting an image of a certain angle of the face;

a local storage for storing a face image of a specific angle in advance;

the microprocessor is used for receiving and processing the image information collected by the camera assembly;

the face detection system is used for calling the image information processed by the microprocessor to be compared with the image in the local memory for identity recognition;

the camera assembly is arranged on the desk body, and the desk body is provided with a camera assembly recovery mechanism used for storing the camera assembly.

Preferably, the recovery mechanism is composed of an equipment box fixedly mounted on the lower side of the table body, an opening formed in the table body, an upper cover with one end hinged and rotatably arranged on the inner side of the opening, a first wedge piece fixedly mounted at the lower end of the camera assembly, and a second wedge piece driven by a linear driving mechanism to horizontally slide at the bottom of the equipment box, and the first wedge piece is attached to the inclined surface of the second wedge piece and is in relative sliding connection with the inclined surface of the second wedge piece.

Preferably, the linear driving mechanism is composed of a screw rod rotatably mounted at the bottom of the equipment box and in threaded connection with the second wedge member, a driving motor fixedly mounted on the side wall of the equipment box, a worm fixedly mounted on an output shaft of the driving motor, and a worm wheel fixedly mounted on the screw rod, and the worm wheel is in transmission connection with the worm.

Preferably, the camera assembly is vertically and fixedly provided with a connecting frame, the upper end of the connecting frame is hinged with a sliding block, and the sliding block slides along a guide groove formed in the lower side of the upper cover.

Preferably, a limiting groove is formed in the side face of the first wedge piece, a limiting strip is fixedly arranged on the side wall of the equipment box, and the limiting strip is inserted into the inner side of the limiting groove.

Preferably, the side of the upper cover is paved with rubber.

The utility model has the technical effects and advantages that: the intelligent classroom roll-call system is provided with a roll call device,

1. through setting up a plurality of distributed monitoring units, compare facial information and the local storage medium image that camera subassembly gathered through face detection system, carry out identification, the attendance registration is convenient more fast, need not artificial intervention, reduces teacher's work burden, avoids going out the condition such as modern answer.

2. Through setting up the recovery mechanism, retrieve the camera subassembly when not discerning, avoid the ware to expose externally, reduce the damage risk, avoid occuping the table body space, it is dustproof effectual, the practicality is stronger.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

In the figure: 1. a camera assembly; 2. a recovery mechanism; 21. an equipment box; 22. an opening; 23. An upper cover; 24. a first cam member; 25. a second cam member;

3. a linear drive mechanism; 31. a screw; 32. a drive motor; 33. a worm; 34. a turbine;

4. a connecting frame; 5. a slider; 6. a guide groove; 7. a limiting groove; 8. a limiting strip; 9. rubber sheets; 10. a table body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an intelligent class roll call device as shown in fig. 1-2, which comprises a plurality of distributed monitoring units, wherein each distributed monitoring unit comprises a camera assembly 1 arranged on a table body 10, a microprocessor, a local memory and a face detection system;

the camera component 1 is used for collecting an image of a certain angle of the face;

a local storage for storing a face image of a specific angle in advance;

a microprocessor for receiving and processing the image information collected by the camera assembly 1;

the camera assembly 1 is the camera assembly 1 arranged on the desk body 10, and the recovery mechanism 2 used for containing the camera assembly 1 is arranged on the desk body 10.

This system, through a plurality of distributed monitoring units, gather image information through each camera subassembly 1 at the angle of difference and transmit microprocessor and handle, later transfer the image information after microprocessor handles through face detection system and compare with image in the local storage, carry out identification, and the student who will discern the identity registers, accomplish the attendance registration, and after the discernment finishes, retrieve camera subassembly 1 through retrieving mechanism 2 and get into inside the table body 10, avoid the ware to expose externally, reduce and damage the risk, avoid occupying table body 10 space, it is dustproof effectual, the practicality is stronger.

The recovery mechanism 2 is composed of an equipment box 21 fixedly mounted on the lower side of the table body 10, an opening 22 arranged on the table body 10, an upper cover 23 with one end hinged and rotatably arranged on the inner side of the opening 22, a first wedge piece 24 fixedly mounted on the lower end of the camera assembly 1 and a second wedge piece 25 driven by the linear driving mechanism 3 to horizontally slide at the bottom of the equipment box 21, wherein the first wedge piece 24 is attached to the inclined surface of the second wedge piece 25 and is in relative sliding connection with the inclined surface of the second wedge piece 25. In the process of driving the first wedge 24 to move towards the camera assembly 1 through the linear driving mechanism 3, the first wedge 24 and the second wedge 25 slide relatively to each other on the inclined surface, the second wedge 25 is pushed to ascend together with the camera assembly 1, so that the upper cover 23 is opened to carry out facial shooting, after the shooting is finished, the second wedge 25 is driven to move away from the camera through the linear driving mechanism 3, the camera assembly 1 gradually descends due to gravity and falls into the equipment box 21, the upper cover 23 covers the opening 22 in the same thing, the storage is completed, the camera is prevented from being exposed for a long time, the risk of external force damage is reduced, and the dust falling is avoided.

The linear driving mechanism 3 is composed of a screw 31 rotatably mounted at the bottom of the equipment box 21 and in threaded connection with the second wedge 25, a driving motor 32 fixedly mounted on the side wall of the equipment box 21, a worm 33 fixedly mounted on the output shaft of the driving motor 32, and a worm wheel 34 fixedly mounted on the screw 31, wherein the worm wheel 34 is in transmission connection with the worm 33. The worm 33 is rotated by the driving motor 32, so that the worm wheel 34 is rotated, and the worm wheel 34 and the screw 31 are rotated, so that the second wedge 25 moves in a translation manner along the screw 31.

The camera assembly 1 is vertically and fixedly provided with a connecting frame 4, the upper end of the connecting frame 4 is hinged with a sliding block 5, and the sliding block 5 slides along a guide groove 6 formed in the lower side of the upper cover 23. In the process of lifting the camera assembly 1, the connecting frame 4 drives the sliding block 5 to slide left and right in the guide groove 6, so that the upper cover 23 is pulled to descend to seal the opening 22 in the descending process of the camera assembly 1, and the sealing effect is ensured.

The side surface of the first wedge piece 24 is provided with a limiting groove 7, the side wall of the equipment box 21 is fixedly provided with a limiting strip 8, and the limiting strip 8 is inserted into the inner side of the limiting groove 7. The stability of the vertical movement of the camera assembly 1 is ensured.

The side surface of the upper cover 23 is paved with a rubber sheet 9. The rubber sheet 9 enhances the sealing performance for the gap between the upper cover 23 and the side wall of the opening 22.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an intelligent classroom roll call device, includes a plurality of distributed monitoring units, its characterized in that: the distributed monitoring unit comprises a camera assembly (1) arranged on the table body (10), a microprocessor, a local memory and a human face detection system;

the camera assembly (1) is used for collecting an image of a certain angle of the face;

a local storage for storing a face image of a specific angle in advance;

the microprocessor is used for receiving and processing the image information collected by the camera assembly (1);

the table body (10) is provided with a recovery mechanism (2) for accommodating the camera assembly (1).

2. The intelligent class roll call device of claim 1, wherein: the recovery mechanism (2) is composed of an equipment box (21) fixedly mounted on the lower side of the table body (10), an opening (22) formed in the table body (10), an upper cover (23) with one end hinged and rotatably arranged on the inner side of the opening (22), a first wedge piece (24) fixedly mounted at the lower end of the camera assembly (1) and a second wedge piece (25) driven by the linear driving mechanism (3) to horizontally slide at the bottom of the equipment box (21), and the first wedge piece (24) is attached to the inclined surface of the second wedge piece (25) and is in relative sliding connection with the inclined surface of the second wedge piece.

3. The intelligent class roll call device of claim 2, wherein: the linear driving mechanism (3) is composed of a screw rod (31) which is rotatably arranged at the bottom of the equipment box (21) and is in threaded connection with the second wedge piece (25), a driving motor (32) which is fixedly arranged on the side wall of the equipment box (21), a worm (33) which is fixedly arranged on an output shaft of the driving motor (32) and a turbine (34) which is fixedly arranged on the screw rod (31), and the turbine (34) is in transmission connection with the worm (33).

4. The intelligent class roll call device of claim 3, wherein: the camera component (1) is vertically and fixedly provided with a connecting frame (4), the upper end of the connecting frame (4) is hinged with a sliding block (5), and the sliding block (5) slides along a guide groove (6) formed in the lower side of an upper cover (23).

5. The intelligent class roll call device of claim 4, wherein: the side surface of the first wedge piece (24) is provided with a limiting groove (7), the side wall of the equipment box (21) is fixedly provided with a limiting strip (8), and the limiting strip (8) is inserted into the inner side of the limiting groove (7).

6. The intelligent class roll call device of claim 2, wherein: the side surface of the upper cover (23) is paved with a rubber sheet (9).