CN213150064U - Remote fine arts teaching real-time image acquisition device - Google Patents
Remote fine arts teaching real-time image acquisition device Download PDFInfo
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- CN213150064U CN213150064U CN202022432668.7U CN202022432668U CN213150064U CN 213150064 U CN213150064 U CN 213150064U CN 202022432668 U CN202022432668 U CN 202022432668U CN 213150064 U CN213150064 U CN 213150064U
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- 238000012544 monitoring process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008436 biogenesis Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
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Abstract
The utility model discloses a remote art teaching real-time image acquisition device, which comprises a box body; one end of the bracket is connected in the box body, and the other end of the bracket extends out of the box body and is provided with a camera; the camera is connected to the support through the spherical universal shaft and supplies power and transmits video data through a POE network cable; and the calling device comprises a calling button fixed at the top of the box body and a signal transmitting module inside the box body, and the calling button triggers the signal transmitting module to send a calling signal to the wireless receiving host of the teacher end. The utility model discloses a stability of drawing board has been guaranteed to the drawing board standing groove of box, and the student need not manual regulation drawing board gradient again, accords with the best visual angle and the stadia of people's eye and picture. The wireless calling button calls a teacher at any time, and the multi-angle rotary camera watches pictures of students in real time, so that the teaching teacher can check the whole drawing condition of each student online or offline in real time, and the pictures of each student in a class are guided to be in place.
Description
Technical Field
The utility model relates to an image acquisition device especially relates to a remote fine arts teaching real-time image acquisition device.
Background
The prior art teaching system for high-examination in China depends on offline teaching and online live broadcast courses. The offline teaching mode is a one-to-many teaching mode, and has huge biogenesis amount and limited teacher and resource amount.
However, in the traditional painting class of middle and high college entrance, the teacher cannot observe and guide the pictures of each student in a class. The online live broadcast can only realize that a plurality of students can see the teacher to draw pictures, and the teacher can not see the synchronous drawing condition of the students.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides a remote fine arts teaching real-time image acquisition device solves no matter on line or on class under the line, and mr can see every student's whole drawing condition clearly.
The utility model provides a technical scheme that technical problem adopted as follows:
the utility model provides a remote fine arts teaching real-time image acquisition device, includes:
the box body is used for mounting the drawing board, the bracket and the calling device;
one end of the bracket is rotatably connected in the box body, and the other end of the bracket extends out of the box body and is provided with a camera;
the camera is connected to the support through the spherical universal shaft, multi-angle rotation is achieved, and power supply and video data transmission are achieved through a POE network cable;
and the calling device comprises a calling button fixed at the top of the box body and a signal transmitting module inside the box body, and the calling button triggers the signal transmitting module to send a calling signal to the wireless receiving host of the teacher end.
Further, the front side of box forms the standing groove that holds the drawing board, and the last edge downwardly extending of standing groove forms first baffle, and the standing groove is followed upward extension down and is formed the second baffle, and it is spacing through first baffle and second baffle that the drawing board is arranged in behind the standing groove.
Further, the inner wall of the placing groove is inclined.
Furthermore, a spring clamp with a telescopic handle is installed on the rear side of the box body.
Furthermore, the rear side of the box body is provided with a POE network cable interface.
Furthermore, the support is of a hollow tubular structure, and one end of the support is rotatably connected in the box body through the clamping plate and a bearing in the clamping plate.
Furthermore, a circular clamping ring is arranged in the clamping plate, and a clamping groove matched with the clamping ring in the axial direction is formed in the circumferential direction of one end of the support.
Further, the clamping plates are arranged to be two upper clamping plates and two lower clamping plates.
Furthermore, be located the top of cardboard, be equipped with limit buckle on the support.
Furthermore, the support is locked with the box body through the elastic ring and is fixed in angle.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a remote fine arts teaching real-time image acquisition device, through the inclination and the top and bottom baffle design of drawing board standing groove on the box, guaranteed the stability of drawing board, the student need not manual regulation drawing board gradient again, accords with the best visual angle and the stadia of people's eye and picture. The wireless calling button calls a teacher at any time, and the pictures of students are watched in real time through the multi-angle rotating camera, so that the teaching teacher can check the whole drawing condition of each student online or offline in real time, the pictures of each student in a class are guided to be in place, and the teacher resource is saved. In addition, the camera support passes through the cardboard fixed, further guarantees picture transmission's stability.
Drawings
Fig. 1 is the embodiment of the utility model provides a remote fine arts teaching real-time image acquisition device's schematic structure.
Fig. 2 is a side view of the real-time image acquisition device of remote fine arts teaching provided by the utility model.
Fig. 3 is the embodiment of the utility model provides a remote fine arts teaching real-time image acquisition device's back view.
Fig. 4 is a connection diagram of a connection board and a bracket provided in an embodiment of the present invention.
Fig. 5 is an assembly view of a connection plate and a bracket provided in an embodiment of the present invention.
Fig. 6 is an exploded view of a connecting plate and a bracket according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of an elastic ring according to an embodiment of the present invention.
Description of reference numerals:
1. a box body; 2. a support; 3. a camera; 4. a ball-type cardan shaft; 5. POE network cable; 6. a call button; 7. a placement groove; 8. a first baffle plate; 9. a second baffle; 10. a spring clip; 11. a POE network cable interface; 12. clamping a plate; 13. a bearing; 14. a connecting plate; 15. reinforcing ribs; 16. a snap ring; 17. a card slot; 18. a limit buckle; 19. an elastic ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1-7, the utility model discloses a remote fine arts teaching real-time image acquisition device, including box 1, support 2, camera 3 and calling set, wherein: the box body 1 is used for mounting a drawing board, a support 2, a camera 3 and a calling device; one end of the support 2 is rotatably connected into the box body 1, the other end of the support 2 extends out of the box body 1 and is provided with the camera 3, and the support 2 has the function of enabling the camera 3 to be away from a picture, so that the camera 3 can shoot more complete pictures; the camera 3 is connected to the support 2 through a spherical universal shaft 4, multi-angle rotation is achieved, framing at different positions and angles in a picture is achieved, power is supplied and video data is transmitted through a POE network cable 5, and signals of real-time monitoring and collection of the picture of a student are transmitted to a display of a teacher end, so that a teacher can observe the picture in different directions and can find and process problems more accurately; the calling device comprises a calling button 6 fixed at the top of the box body 1 and a signal transmitting module inside the box body, wherein the calling button 6 triggers the signal transmitting module to send a calling signal to a wireless receiving host computer of a teacher end.
In a specific embodiment, in the same classroom, a classroom guides a plurality of students to draw pictures simultaneously, each student is provided with a remote art teaching real-time image acquisition device, each caller corresponds to an ID, if the student has a problem, a call button can be pressed, the call button triggers a signal transmitting module to transmit a call signal to a wireless receiving host at the teacher end, an information exchange module and a voice broadcasting module are arranged in the wireless receiving host, the information exchange module comprises a receiving antenna and a transmitting antenna, the receiving antenna is used for receiving the call signal of the signal transmitting module, the transmitting antenna is used for transmitting the voice signal corresponding to the call signal to the voice broadcasting module, the information exchange module transmits the corresponding voice signal to the voice broadcasting module according to the call signal, the voice broadcasting module receives the voice signal and then sends out voice broadcasting with the number of the caller, the teacher can conveniently guide the teacher in place. Meanwhile, the student pictures are monitored in real time through the camera, the designated area needing to be watched is selected through multi-angle rotation of the camera, and a certain local area can also be monitored in real time through the zooming-in and zooming-out functions of the camera. The calling signal can be sent to the wireless receiving host computer of the teacher end through the internet, so that the teaching teacher can check the whole drawing condition of each student on line or off line in real time.
In a preferred embodiment, as shown in fig. 2, the box body 1 may be made of ABS plastic, a placing groove 7 for accommodating the drawing board is formed on the front side of the box body 1, a first baffle 8 is formed by extending the upper edge of the placing groove 7 downward, a second baffle 9 is formed by extending the lower edge of the placing groove 7 upward, and the drawing board is positioned behind the placing groove 7 and is limited by the first baffle 8 and the second baffle 9. The concrete size of standing groove 7 can be decided according to drawing board thickness and size on the current market, lets the drawing board edgewise insert along standing groove 7, and convenient operation, baffle had guaranteed the stability of drawing board about the while, can not rock during the drawing, has also guaranteed the stability that camera 3 caught the picture.
In order that the visual angle of the student is more in line with the optimal visual range and visual angle of human eyes and pictures when the student draws pictures, the phenomenon that the imaging effect is influenced by reducing unnecessary perspective angles when the camera 3 captures the pictures is also reduced, and the inner wall of the placing groove 7 is an inclined plane.
In order to facilitate the fixing of the box body 1, a spring clamp 10 with a telescopic handle is arranged at the rear side of the box body 1. Specifically, as shown in fig. 3, the spring clips 10 are disposed on the rear side of the box 1, and can be fixed according to the sizes and shapes of objects to be clipped, such as on back boards or supporting frames with different sizes, such as stools with flat backrests. In order to ensure the relative stability of the box body on the stool, the spring is provided with the telescopic handle in a clamping manner, so that the width of the backrest can be clamped, and meanwhile, the thickness of the backrest can also be clamped.
In addition, the rear side of box 1 opens and establishes POE net twine interface 11. The POE network cable 5 is compatible with network data transmission and equipment power supply, and traditional power supply equipment is removed, so that an expensive power supply and time consumed by installing the power supply are not needed.
In another preferred embodiment, the support 2 is a hollow tubular structure, such as a steel pipe support, and the POE mesh wire 5 can extend to the POE mesh wire interface 11 of the box body through the inside of the support 2, as shown in fig. 3-4, so that the trouble of wire arrangement is omitted, the mesh wire is prevented from being scratched, and the simplicity and tidiness of the appearance are ensured.
In order to facilitate bearing of the bracket and smooth left-right rotation of the bracket, one end of the bracket 2 is rotatably connected in the box body 1 through the clamping plate 12 and a bearing 13 in the clamping plate 12. Specifically, as shown in fig. 5-6, the clamping plate 12 is horizontally arranged and fixed in the box body 1 through a vertical connecting plate 14 and a bolt, and a reinforcing rib 15 is further arranged between the clamping plate 12 and the connecting plate 14 for connection, so that the stability is improved.
In order to avoid the vertical movement of the bracket 2, as shown in fig. 6, a circular snap ring 16 is arranged in the clamping plate 12, a snap groove 17 which is matched with the snap ring 16 in the direction of the circumference of one end of the bracket 2 is formed, and the snap ring 16 is clamped in the snap groove 17 to avoid the vertical movement of the bracket 2 relative to the clamping plate 12.
In order to further improve the stability of the connection between the bracket 2 and the box body 1, the clamping plates 12 are arranged at the upper part and the lower part.
In order to fix the angle conversion of the camera in the visual range of the monitoring picture and prevent the support from damaging the POE network cable due to the overlarge rotation angle, the support 2 is provided with a limit buckle 18 above the clamping plate 12. Specifically, as shown in fig. 5, the limit buckle 18 is a collar with a support arm, the collar is sleeved on the support 2 and fixed by screws, and a limit baffle plate matched with the collar is arranged at a corresponding position in the box body 1.
In order to fix the rotation angle of the bracket, the bracket 2 is locked with the box body 1 by a locking ring 19 to fix the angle, and specifically, the locking ring 19 has a structure as shown in fig. 7. The locking ring 19 is sleeved outside the support 2 and can be connected with a support hole on the box body 1 through threads.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a remote fine arts teaching real-time image acquisition device which characterized in that includes:
the box body is used for mounting the drawing board, the bracket and the calling device;
one end of the bracket is rotatably connected in the box body, and the other end of the bracket extends out of the box body and is provided with a camera;
the camera is connected to the support through the spherical universal shaft, multi-angle rotation is achieved, and power supply and video data transmission are achieved through a POE network cable;
and the calling device comprises a calling button fixed at the top of the box body and a signal transmitting module inside the box body, and the calling button triggers the signal transmitting module to send a calling signal to the wireless receiving host of the teacher end.
2. The real-time image acquisition device for remote art teaching as claimed in claim 1, wherein a placement groove for accommodating the drawing board is formed at the front side of the box body, a first baffle plate is formed on the upper edge of the placement groove in a downward extending manner, a second baffle plate is formed on the lower edge of the placement groove in an upward extending manner, and the drawing board is positioned behind the placement groove and is limited by the first baffle plate and the second baffle plate.
3. The real-time image capturing device for remote art teaching as claimed in claim 2, wherein the inner wall of the placement groove is inclined.
4. The real-time image acquisition device for remote art teaching as claimed in claim 1, wherein a spring clip with a telescopic handle is installed at the rear side of the box body.
5. The real-time image acquisition device of remote art teaching of claim 1, wherein the rear side of the box body is provided with a POE network cable interface.
6. The real-time image capturing device for remote art teaching as claimed in claim 1, wherein the bracket is a hollow tubular structure, and one end of the bracket is rotatably connected to the case through a clamping plate and a bearing in the clamping plate.
7. The real-time image acquisition device for remote art teaching as claimed in claim 6, wherein a circular snap ring is arranged in the snap plate, and a groove matched with the snap ring is formed in the circumferential direction of one end of the bracket.
8. The remote art teaching real-time image capturing device as claimed in claim 6, wherein the clamping plate is disposed in two upper and lower positions.
9. The real-time image acquisition device for remote art teaching as claimed in claim 6, wherein the device is located above the clamping plate, and the bracket is provided with a limit buckle.
10. The real-time image acquisition device for remote art teaching as claimed in claim 6, wherein the bracket is locked and fixed at an angle with the box body by an elastic ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432668.7U CN213150064U (en) | 2020-10-28 | 2020-10-28 | Remote fine arts teaching real-time image acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432668.7U CN213150064U (en) | 2020-10-28 | 2020-10-28 | Remote fine arts teaching real-time image acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213150064U true CN213150064U (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022432668.7U Expired - Fee Related CN213150064U (en) | 2020-10-28 | 2020-10-28 | Remote fine arts teaching real-time image acquisition device |
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| Country | Link |
|---|---|
| CN (1) | CN213150064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114081278A (en) * | 2021-11-08 | 2022-02-25 | 大连民族大学 | Drawing table with hand tracking technology and panoramic video recording function |
-
2020
- 2020-10-28 CN CN202022432668.7U patent/CN213150064U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114081278A (en) * | 2021-11-08 | 2022-02-25 | 大连民族大学 | Drawing table with hand tracking technology and panoramic video recording function |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210507 |
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| CF01 | Termination of patent right due to non-payment of annual fee |