CN211044561U

CN211044561U - Multi-head projector for classroom

Info

Publication number: CN211044561U
Application number: CN201922317987.0U
Authority: CN
Inventors: 陈竹西
Original assignee: Jiangsu Yichuanger Culture Technology Co ltd
Current assignee: Chengshu Jiangsu Information Technology Co ltd
Priority date: 2019-12-22
Filing date: 2019-12-22
Publication date: 2020-07-17
Anticipated expiration: 2029-12-22

Abstract

The utility model relates to a bull projecting apparatus is used in classroom, characterized by: including setting up projection head, support, switch and the light sense device on the bull projecting apparatus body, the projection head is equipped with four and locates on four faces of bull projecting apparatus body respectively, be equipped with a light sense device in every projection head, be connected with base and lifter on the support, be connected with the bolt between support and the lifter, the bull projecting apparatus still includes display screen, record screen switch, heating panel, VGA interface, USB interface, colour difference component interface, HDMI interface and supply socket. The utility model discloses a collect projection and illumination in function of an organic whole, have very bright application prospect.

Description

Multi-head projector for classroom

Technical Field

The utility model belongs to the technical field of the projecting apparatus, particularly, relate to a bull projecting apparatus is used in classroom.

Background

Projectors, also called projectors, are devices that can project images or videos onto a screen and can be connected to computers, VCDs, DVDs, BDs, game machines, DVs, etc. through different interfaces to play corresponding video signals, and projectors are widely used in homes, offices, schools, and entertainment places, and there are different types of CRT, &lttttranslation = L "&tttl &/t &tttcd, D L P, etc. according to the operation mode.

To the projecting apparatus that school's classroom was used, the teacher passes through the computer and is connected to the projecting apparatus, projects the image to the projection curtain, makes things convenient for the teacher to give lessons, and the teacher can show the data for the student through the projecting apparatus, has saved the trouble of writing with pen, chalk. Generally, school's projecting apparatus all fixes on the ceiling to can only carry out the projection to one direction, therefore the projected scope is limited, sit in classroom back row student's sight very probably can be blockked by front-row classmate or podium, see not see partial projection content, and then cause the study leak, to some key points, understanding of difficult problem probably not deep enough, lead to the achievement unsatisfactory finally, meanwhile, in teacher's teaching process, traditional projecting apparatus can only be projected on one face, this will restrict the mr and can only stand on the podium when going on class, inconvenient walking about in the classroom, the teacher may not know that the classmate below has to open the problem such as little difference, little action. Therefore, it is desirable to improve the functions of the projector by more intelligent means.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reasonable in structure is simple, manufacturing is easy, convenient to use's for classroom bull projecting apparatus to the drawback that exists now of the aforesaid.

The utility model aims at realizing the same, a multi-head projector for classroom comprises a wireless Bluetooth receiving device, a Wi-Fi receiving device, a screen recording device, a bracket, a power socket, a switch and a projecting head arranged on a multi-head projector body, and is characterized in that the multi-head projector comprises four projecting heads and a light sensation device, so that the multi-head projector can project to four surfaces simultaneously, the projection range is enlarged, the projected content can be clearly seen at each corner of the classroom, the multi-head projector also comprises a mute fan, a display screen, a heating panel, a VGA interface, a USB interface, a color difference component interface and an HDMI interface, the multi-head projector can support Wi-Fi connection, Bluetooth connection and USB connection, can record the screen, can play teacher courseware, pictures, videos, audios and the like, a thermometer is embedded in the multi-head projector for measuring the temperature of the multi-head projector, the temperature information is displayed on the display screen, time can be displayed on the display screen, and the time can be adjusted through manual or wireless connection.

Furthermore, as the subject facing the object of the multi-head projector is a student, the student may need to review the courseware and other learning materials of the teacher after class, and the projector provides a storage function, the student can conveniently review and copy the learning materials of the teacher after class; the students are in a developmental stage and are not suitable for staring at the screen for a long time, and in order to protect the eyes of the students, the projector provides an eye protection mode; in addition, the multi-head projector also provides a bright mode, can realize the illumination function, monitors the intensity of light through the light sense device, when the student learns that light is dim and the multi-head projector does not do the projection function, realizes the illumination function, creates better study condition for the student can select the most suitable study angle, thereby obtains the best study effect.

Furthermore, the multi-head projector can play courseware, pictures, audio, videos and the like of teachers, and when different documents, pictures, audio and videos are read and played, different decoders are used according to different file types to select corresponding playing modes, so that the multi-head projector is rapid, safe and efficient, and meets diversified display requirements in the teaching process.

Furthermore, the multi-head projector supports Wi-Fi connection and Bluetooth connection, wireless screen projection is achieved, a teacher can be connected with the projector through a computer or a mobile phone, and in addition, screen projection can be achieved through a USB interface and serves as an auxiliary tool for class, and students are helped to improve learning efficiency; in addition, help the student improve study efficiency for teacher's teaching mode becomes more nimble, convenient, and the screen of throwing of four directions lets the student in every corner in the classroom all can see clearly the content of throwing the screen.

Furthermore, the multi-head projector can also be used as a lighting tool when not serving as a projection function, and the light intensity in a classroom is monitored through the light sensing device of the multi-head projector, so that when the light intensity is lower than the light intensity required by students during learning, lighting is provided, and the projection and lighting functions are realized.

Furthermore, the multi-head projector provides a screen recording function, when students do not understand the content spoken by the teacher in class or do not understand the content thoroughly enough, the students can only understand the content spoken by the teacher in class by recalling or asking for students, learning holes are easily caused, and for difficult problems, the students can understand the content incompletely or wrongly; the screen recording function of the multi-head projector can help students to review the content taught by the teacher in class after class, and the students can better understand the difficulty of knowledge, improve the learning efficiency and comprehensively master the content taught by the teacher.

Furthermore, the multi-head projector provides a storage function, can store courseware and other learning materials related to a teacher in class, facilitates students to review and copy the courseware and other learning materials of the teacher after class, is combined with a screen recording function, and can enable the students to better understand the knowledge content taught by the teacher and improve the initiative and enthusiasm of learning of the students.

Furthermore, the multi-head projector comprises an embedded thermometer, and a display screen is arranged at the bottom of the embedded thermometer and used for displaying the temperature of the current multi-head projector; when the temperature of the multi-head projector is too high, the heat dissipation plate starts to work; certain noise can be brought by the work of the heat dissipation plate, more problems and negative effects can be brought to the children by a noisy external environment, the understanding ability, the memory, the lecture listening state and the like of the students can be influenced by the noise, and the achievement of the students can be influenced; in addition, for teachers, too much noise can affect the class state, even the body state, of the teachers during class, so that a mute fan is arranged in the projector to solve the problem of noise generated when the projector normally operates.

Further, the bull projecting apparatus is equipped with the display screen in its bottom, and the display screen is used for showing current bull projecting apparatus's temperature and time, and to the student, the time is very valuable, for the more reasonable management time of student, distributes the study task, consequently, the utility model discloses show time information on the display screen, can be connected with the bull projecting apparatus through manual Wi-Fi or the bluetooth that perhaps passes through cell-phone, computer, modification time information.

The utility model has the advantages that:

the utility model discloses rational in infrastructure simple, manufacturing is easy, convenient to use, has realized collecting projection and illumination in the function of an organic whole, has very bright application prospect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a bottom schematic view of the present invention.

Reference numerals: 1 a multi-head projector body; 2, switching; 3, 4, 5 and 6 are projection heads; 7, 8, 9 and 10 are light sensing devices; 11 a support; 12 a base; 13 a lifting rod; 14, bolts; 15 a display screen; 16 screen recording switches; 17 a heat dissipation plate; an 18 VGA interface; 19 a USB interface; 20 color difference component interface; 21 an HDMI interface; 22 power socket.

Detailed Description

In order to make the technical means, creation characteristics, achievement purpose and efficacy of the utility model easy to understand and understand, the following combines with the concrete diagram, further describes the utility model.

As shown in fig. 1-3, a multi-head projector is used in classroom, including projecting apparatus body 1, switch 2, projecting

head

3, 4, 5, 6, the light sense device, be equipped with support 11 on the projecting apparatus body 1, support 11 is including being used for base 12 and the stand be connected with projecting apparatus body 1, the stand includes lifter 13 and fixed lifter's bolt 14, multi-head projector still includes display screen 15, record screen switch 16, heating panel 17, VGA interface 18, USB interface 19, colour difference component interface 20, HDMI interface 21 and supply socket 22, projecting apparatus body 1 is inside to have silence fan, wireless bluetooth receiving arrangement, Wi-Fi receiving arrangement and record the screen device.

The utility model discloses during the specific use:

when a multi-head projector is required to project, the

projection heads

3, 4, 5 and 6 can respectively project in four different directions, so that the projection range is expanded, and the projection screens in the four directions enable students at each corner in a classroom to clearly see the contents of the projection screens;

before projection, the equipment to be projected is connected in advance, different interfaces are connected according to different equipment, so that identification and projection of different types of files are realized, the VGA interface 18 can be connected with an L CD liquid crystal display such as a computer display, when files from a U disk, a mobile hard disk and the like need to be played, the USB interface 19 is used, when audio signals need to be played, playing is realized by connecting the color difference component interface 20, and the HDMI interface 21 is used for transmitting high-quality audio and video signals;

when the temperature of the multi-head projector is too high, the heat dissipation plate 17 starts to work, and because the heat dissipation plate can generate noise when working, the built-in mute fan starts to work so as to reduce the noise generated when the heat dissipation plate works;

the current time is displayed on the display screen 15 at the bottom, and the manual adjustment can be directly carried out through an adjusting button on the display screen 15, but because the multi-head projector is hung on a ceiling, the manual adjustment is inconvenient, and the multi-head projector can also be connected with the multi-head projector through Wi-Fi (wireless fidelity) or Bluetooth of a mobile phone or a computer, so that the time can be adjusted;

the light sensing device arranged in the multi-head projector is used for monitoring the light intensity in a classroom, and when the light intensity is lower than the light intensity required by students during learning, the light sensing device can provide the illumination effect and realize the function of integrating projection and illumination;

when a teacher goes to class, the function of recording can be realized by only pressing the screen recording switch 16 at the bottom or connecting the multi-head projector through Wi-Fi (wireless fidelity) or Bluetooth of a mobile phone or a computer, recorded videos are stored in the projector, and the teacher can also store courseware or other learning materials used in class in the projector.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment, but all equivalent modifications or changes made by those skilled in the art according to the present invention should be included in the protection scope of the claims.

Claims

1. A multi-head projector for classrooms is characterized in that: including setting up projection head, support, switch and the light sense device on the bull projecting apparatus body, the projection head is equipped with four and locates on four faces of bull projecting apparatus body respectively, be equipped with a light sense device in every projection head, be connected with base and lifter on the support, be connected with the bolt between support and the lifter, the bull projecting apparatus still includes display screen, record screen switch, heating panel, VGA interface, USB interface, colour difference component interface, HDMI interface and supply socket.

2. The multi-head projector for classroom as claimed in claim 1, wherein: a mute fan is arranged in the multi-head projector for the classroom and used for solving the problem of noise generated when the projector operates.

3. The multi-head projector for classroom as claimed in claim 1, wherein: the multi-head projector for the classroom comprises an embedded thermometer and a display screen is arranged at the bottom of the embedded thermometer.

4. The multi-head projector for classroom as claimed in claim 1, wherein: the VGA interface, the USB interface, the color difference component interface, the HDMI interface and the power socket are arranged on a top panel of the multi-head projector body.

5. The multi-head projector for classroom as claimed in claim 1, wherein: the switch, the display screen, the screen recording switch and the heat dissipation plate are arranged on a bottom panel of the multi-head projector body.

6. The multi-head projector for classroom as claimed in claim 1, wherein: the inside wireless bluetooth receiving arrangement, Wi-Fi receiving arrangement and record screen device of putting of projecting apparatus body.