CN210667213U - Multimedia classroom - Google Patents
Multimedia classroom Download PDFInfo
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- CN210667213U CN210667213U CN201920960521.XU CN201920960521U CN210667213U CN 210667213 U CN210667213 U CN 210667213U CN 201920960521 U CN201920960521 U CN 201920960521U CN 210667213 U CN210667213 U CN 210667213U
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- classroom
- projection
- projection plate
- video recorder
- definition video
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Abstract
The utility model relates to a multimedia classroom, including computer podium, preceding projecting apparatus, projection cloth, high definition video recorder, rear projector and projection board. The high-definition video recorder is installed on a ceiling, is positioned behind the front projector and is opposite to the computer platform area; the projection board is installed in the middle of the classroom, and the rear projector is installed on the ceiling at the rear end of the classroom and connected with the high-definition video recorder. The utility model is suitable for a classroom big or long partially can be to sitting in the student synchronous transmission of back row, record real-time lecture content, can make full classroom student obtain the equal resource of giving lessons.
Description
Technical Field
The utility model belongs to the technical field of multimedia teaching's technique and specifically relates to a multimedia classroom is related to.
Background
At present, along with the development of science, the teaching mode also moves towards intellectuality more and more, and in order to improve the effect of teaching, people also constantly improve to the demand in multimedia classroom.
The existing multimedia classroom form is: the mode that utilizes projecting apparatus and blackboard to combine together is taught, and this kind of form has not only made things convenient for the teaching work, and the student also understands more easily.
The above prior art solutions have the following drawbacks: the large classrooms are arranged in many schools, if the classrooms are large or long, students sitting in the back row can hardly see the teaching contents of teachers in the computer platform area clearly, and even if the students take courseware, the students can not see the real-time teaching of the teachers, so that the learning quality of the students is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multimedia classroom can make the back row see the effect that the real-time lecture content was clearly seen to the student who is unclear giving a lecture.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a multimedia classroom comprises a blackboard, a computer platform, a front projector, projection cloth, a high-definition video recorder, a rear projector and a projection plate; the high-definition video recorder is arranged on the ceiling through a suspender, is positioned on the side of the front projector and is opposite to the computer platform area; the rear projector is arranged on a ceiling at the rear end of the classroom through a hanging bracket; and simultaneously, the rear projector synchronously plays the content recorded by the high-definition video recorder on the projection plate.
By adopting the technical scheme, a high-definition video recorder is arranged in a classroom, and teaching contents are synchronously recorded and transmitted; then the video is transmitted to a rear projector behind the classroom in real time through video wiring, and the video is projected on a storable projection board arranged in the middle position of the classroom, so that students who sit behind and cannot clearly see teaching contents can be synchronously live broadcast in real time; meanwhile, after class, the complete teaching content is copied and taken away in the form of video files, and the learning efficiency of students is improved.
The utility model discloses further set up to: the projection plate is made of hard materials such as plastics or metal sheets, and one surface of the projection plate is stuck and covered with a projection curtain.
By adopting the technical scheme, the projection screen is covered by the projection plate, so that the projection plate can normally display projection contents; meanwhile, the hard material which is not easy to deform is adopted, so that the deformation caused by airflow or other external force can be reduced to the maximum extent, and the poor watching effect when the projection plate shakes or deforms is avoided.
The utility model discloses further set up to: the projection plate is positioned in the middle of the classroom and is rectangular
The length direction of the shape thin plate is horizontally arranged, the plane of the shape thin plate is vertical to the side wall of the classroom, and the upper part of the projection plate is hinged with a hanging hinge on the ceiling.
By adopting the technical scheme, the positions which are easy to watch by the back-row students are reasonably selected, so that the back-row students can conveniently learn; meanwhile, the projection plate is connected to a hanging hinge on the ceiling through a hinge, so that the projection plate can be fixed and turned over along the side line of the upper end.
The utility model discloses further set up to: the projection board is connected with an electric telescopic device facing one side of the computer platform
The other end of the electric telescopic rod is fixed on the ceiling, and a telescopic switch of the electric telescopic rod is arranged in the computer platform area.
By adopting the technical scheme, the electric telescopic rod can play a role of fixing the projection plate, so that the projection plate cannot swing when in use; simultaneously, through the regional control switch of computer podium, control electric telescopic handle that can be fine to control the projection board and expand and accomodate.
The utility model discloses further set up to: the other end of the electric telescopic rod is connected to the ceiling, and the distance from the electric telescopic rod to the fixing device on the upper portion of the projection plate is not more than the width of the projection plate.
Through adopting above-mentioned technical scheme, make electric telescopic handle accomodate the back at the projection board and can hide behind the projection board completely, increase whole pleasing to the eye degree.
The utility model discloses further set up to: the video area of the high-definition video recorder is right opposite to the blackboard and is connected with the power supply
The brain is connected, and the range of the video area can be adjusted by a computer.
By adopting the technical scheme, the high-definition video recorder can record the lecture content completely, and after the high-definition video recorder is connected with a computer, the complete video file is convenient to call out and copy, and compared with a simple courseware, the complete lecture mode is more convenient for students to learn.
The utility model discloses further set up to: the rear projector video input interface is connected with a video output interface of a computer high-definition video recorder of the platform; meanwhile, the rear projector is arranged at the rear part of the classroom and can normally project to the projection plate.
By adopting the technical scheme, the rear projection instrument can synchronously and real-timely transmit the teaching contents of teaching personnel.
The utility model discloses further set up to: the classroom can be provided with a plurality of projection plates and rear projection according to the requirements
The video instrument, a plurality of projecting apparatus accessible deconcentrators connect same high definition video recorder.
By adopting the technical scheme, for some cases, such as: overlong classroom space and whole student
Eyesight deviation etc. can connect same high definition video recorder with back projection appearance by a plurality of projection boards to accomplish the multistage projection, let the student of sitting at the back row obtain equal effect of giving lessons.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the top of the classroom of fig. 1.
Figure 3 is a schematic diagram of a high definition video cassette recorder cradle configuration.
Fig. 4 is a side view of the projection plate.
Fig. 5 is a schematic diagram of a rear projector boom configuration.
In the figure, 1, a computer platform; 2. a projection cloth; 3. a front projector; 4. a high-definition video recorder; 41. a hanger; 411. a hanger fixing end; 412. a hanger tube; 413. a hanger reinforcement end; 414. a holder; 415. a screw fixing port; 416. a hanger through hole; 5. a projection plate; 51. a projection screen; 52. hanging and hinging; 53. an electric telescopic rod; 6. a rear projector; 61. a boom; 611. a fixed end of the suspender; 612. a boom pipe; 613. a boom reinforcement end; 614. the suspender is provided with a through hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a multimedia classroom, including computer podium 1, front projector 3, projection cloth 2, high definition video recorder 4, rear projector 6 and projection board 5. The high-definition video recorder 4 is arranged on the ceiling through a suspender 61 and is right opposite to the area of the computer platform 1; the projection board 5 is installed in the middle of the classroom, and the rear projector 6 is installed on the ceiling near the rear wall of the classroom through the suspension rod 61.
Referring to fig. 2 and 3, the fixed high definition video recorder 4 is fixed by a hanger 41 which is connected to a ceiling through a bolt, the hanger 41 is a ceiling type hanger, the hanger 41 is integrally formed, the top of the hanger is a horizontal square hanger fixing end 411, and four screw holes which penetrate through the hanger fixing end 411 are uniformly distributed at the corner of the square surface; the lower end of the hanger fixing end 411 is a long and straight hanger round tube 412, and the hanger round tube 412 is vertically connected with the center of the square surface of the hanger fixing end 411; the hanger round tube 412 has a hemispherical hanger reinforcing end 413 at the lower end, and the reinforcing end 413 originally reinforces the connection of the upper end and the lower end. A vertical circular channel with the same inner diameter as that of the circular pipe 412 is arranged in the center of the reinforcing end 413, the bottom of the hanger reinforcing end 413 is horizontal and circular, and the axis of the hanger circular pipe 412 is collinear with the center of the circle at the bottom of the hanger reinforcing end 413; a clamp seat 414 is arranged at the bottom of the hanger fixing end 411, two thin plates with the tail ends bent inwards are arranged at the lower part of the clamp seat 414, and the bent part is positioned at the lower end of the height of the side surface of the high definition video recorder 4; meanwhile, the upper surface of the clamp seat 414 is provided with a screw fixing port 415 corresponding to a screw hole at the top of the high definition video recorder 4, so that the hanging bracket 41 and the high definition video recorder 4 can be conveniently fixed; and the hanger 41 is provided with a circular hanger through hole 416 vertical to the hanger round tube 412, and the high definition video recorder 4 line passes through the hanger through hole 416 and is connected with the podium computer.
Referring to fig. 2 and 4, the projection plate 5 is a square thin plate structure, and is located at the middle position of the classroom, when the projection plate 5 is vertically placed, the projection plate 5 faces the wall surface at the rear part of the classroom, and the projection curtain 51 is pasted and covered on the seat surface facing the rear row of the projection plate 5. The two ends of the top of the projection plate 5 are hinged by two same hanging hinges 52 fixed on the ceiling, the hanging hinges 52 are vertically arranged, the upper ends of the hanging hinges 52 are in a flat and long shape and are fixed on the ceiling, and the lower ends of the hanging hinges 52 are hinged with the two ends of the top of the projection plate 5, so that the projection plate 5 can turn over along the horizontal axis. Simultaneously, the 5 back of projection board articulates there is electric telescopic handle 53, and the electric telescopic handle 53 other end is articulated with the ceiling, and its telescopic switch setting is regional at podium computer podium 1 to the personnel of giving lessons control. Meanwhile, the distance from one end of the electric telescopic rod 53 hinged with the ceiling to the hanging hinge 52 on the upper part of the projection plate 5 is not more than the width of the projection plate 5, and when the electric telescopic rod 53 is stretched to the longest state, the projection plate 5 is in a vertical state; when the electric telescopic rod 53 is stretched to the shortest state, the projection board 5 is in a horizontal state, and the distance from the hinged end of the electric telescopic rod 53 and the ceiling to the hanging hinge 52 on the upper part of the projection board 5 is not more than the width of the projection board 5
Referring to fig. 2 and 5, the rear projector 6 is fixed by a hanger rod 61 fastened to the ceiling, and the hanger rod 61 is a ceiling-mounted hanger rod. The suspender 61 is integrally formed, the top of the suspender is a horizontal square suspender fixing end 611, four penetrating screw holes are uniformly distributed at the corner of the square surface, the lower end of the suspender is a long straight suspender circular pipe 612, the suspender circular pipe 612 is vertically connected with the center of the square surface of the suspender fixing end 611, the lower end of the suspender circular pipe 612 is a suspender reinforcing end 613, the suspender reinforcing end 613 is a circular sheet-shaped boss, and the axis of the suspender circular pipe 612 is collinear with the center of the suspender reinforcing end 613; the bottom of the boom reinforcing end 613 is fixed with the rear projector 6 by bolts. Meanwhile, the suspender 61 is provided with a suspender through hole 614 which vertically penetrates through the suspender round tube 612 and the square center of the suspender fixed end 611, and a line connected with the rear projector 6 passes through the suspender through hole 614; meanwhile, the video input interface of the rear projector 6 is connected with the computer at the computer platform 1 and the video output interface of the high-definition video recorder 4 through a wire divider, so that the high-definition video recorder 4 can conveniently project in real time.
The implementation principle of the embodiment is as follows: a high-definition video recorder 4 is arranged in a classroom, and teaching contents are synchronously recorded and transmitted; then the video is transmitted to a rear projector 6 behind the classroom in real time through video wiring and is projected on a projection plate 5 arranged in the classroom, so that students who sit behind and cannot see the content of lectures can be synchronously live broadcast in real time; meanwhile, after class, the complete teaching content is copied and taken away in the form of video files, and the learning efficiency of students is improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a multimedia classroom, includes blackboard, computer podium (1), preceding projecting apparatus, projection cloth (2), its characterized in that: the high-definition video recorder (4), the rear projector (6) and the projection plate (5); the high-definition video recorder (4) is arranged on a ceiling through a hanging bracket (41) and is opposite to a lecture area; the projection plate (5) is arranged at the middle position of a classroom and the rear projector (6) is arranged on the ceiling at the rear end of the classroom through a hanging rod (61); meanwhile, the rear projector (6) synchronously plays the content recorded by the high-definition video recorder (4) on the projection plate (5).
2. A multimedia classroom as defined in claim 1, wherein: the projection plate (5) is made of hard materials such as plastic or metal sheets, and one surface of the projection plate is stuck and covered with a projection curtain (51).
3. A multimedia classroom as defined in claim 2, wherein: the projection plate (5) is positioned in the middle of the classroom and is a rectangular thin plate, the length direction of the rectangular thin plate is horizontally arranged, the plane of the rectangular thin plate is vertical to the side wall of the classroom, and the upper part of the projection plate (5) is connected with a hanging hinge (52) on the ceiling through a hinge.
4. A multimedia classroom as defined in claim 3, wherein: the projection plate (5) is connected with an electric telescopic rod (53) towards one side of the computer platform, the other end of the electric telescopic rod (53) is fixed on the ceiling, and a telescopic switch of the electric telescopic rod is arranged in the area of the computer platform.
5. A multimedia classroom as defined in claim 4, wherein: the other end of the electric telescopic rod (53) is connected to the ceiling, and the distance from the electric telescopic rod to the fixing device on the upper part of the projection plate (5) does not exceed the width of the projection plate (5).
6. A multimedia classroom as defined in claim 1, wherein: the video area of the high-definition video recorder (4) is right opposite to the blackboard and is connected with a computer, and the range of the video area can be adjusted through the computer.
7. A multimedia classroom as defined in claim 6, wherein: the video input interface of the rear projector (6) is connected with the video output interface of the computer high-definition video recorder (4) of the platform; meanwhile, the rear projector (6) is arranged at the rear part of the classroom and can normally project to the projection plate (5).
8. A multimedia classroom as defined in claim 1, wherein: the classroom can set up a plurality of projection boards (5) and rear projector (6) according to the demand, and same high definition video recorder (4) is connected to a plurality of rear projector (6) accessible deconcentrators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920960521.XU CN210667213U (en) | 2019-06-22 | 2019-06-22 | Multimedia classroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920960521.XU CN210667213U (en) | 2019-06-22 | 2019-06-22 | Multimedia classroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210667213U true CN210667213U (en) | 2020-06-02 |
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ID=70811547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920960521.XU Active CN210667213U (en) | 2019-06-22 | 2019-06-22 | Multimedia classroom |
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| Country | Link |
|---|---|
| CN (1) | CN210667213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357508A (en) * | 2021-05-28 | 2021-09-07 | 青岛酒店管理职业技术学院 | Museum digital medium art innovation platform of non-material cultural heritage |
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2019
- 2019-06-22 CN CN201920960521.XU patent/CN210667213U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357508A (en) * | 2021-05-28 | 2021-09-07 | 青岛酒店管理职业技术学院 | Museum digital medium art innovation platform of non-material cultural heritage |
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