CN212061631U - Projection arrangement that electronic information technology teaching was used - Google Patents
Projection arrangement that electronic information technology teaching was used Download PDFInfo
- Publication number
- CN212061631U CN212061631U CN202020408764.5U CN202020408764U CN212061631U CN 212061631 U CN212061631 U CN 212061631U CN 202020408764 U CN202020408764 U CN 202020408764U CN 212061631 U CN212061631 U CN 212061631U
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- CN
- China
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- plate
- electronic information
- bottom plate
- information technology
- transparent plastic
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Abstract
The utility model relates to a projection technical field that the teaching was used specifically is a projection arrangement that electronic information technology teaching was used, comprising a base plate, bottom plate front end integrated into one piece has the front bezel, bottom plate rear end integrated into one piece has the back plate, bottom plate top block has the circuit board, threaded hole is dug to bilateral symmetry around the bottom plate bottom, there is the curb plate of transparent plastic material through bolted connection in the threaded hole, front bezel and back plate top block have the roof of transparent plastic material, and rotate the connection through the screw rod. The utility model discloses a setting of curb plate and roof corresponds the screw hole through the bolt and rotates to connect the curb plate of transparent plastic material, front bezel and back plate are connected to the roof that the rethread screw rod runs through the transparent plastic material, know projection arrangement's theory of operation in student's internal structure according to projection arrangement, open the effect of electronic information teaching, it is comparatively practical, be fit for extensively promoting and using.
Description
Technical Field
The utility model relates to a projection technical field that the teaching was used specifically is a projection arrangement that electronic information technology teaching was used.
Background
The projection device for teaching adopts mainstream resolution, the brightness is about 2000-3000 lumen, the weight is moderate, the heat dissipation and dust prevention are good, the projection device is suitable for installation and short-distance movement, the functional interfaces are rich, the maintenance is easy, the cost performance is relatively high, and the projection device is suitable for mass purchasing and popularization.
The prior patent (publication number is CN201920485713.X) and a projection device for electronic information technology teaching, the problem that the projection angle of the projection device is fixed, the angle adjustment of the projection device cannot be automatically performed, the practicability and the flexibility are poor, but the projection device does not greatly help the electronic information technology teaching, and the projection device is a good technical achievement of the electronic information technology.
Therefore, the projection device for electronic information technology teaching is provided, the transparent frame and the frame convenient to detach are adopted, so that a student can know the working principle of the projection device according to the internal structure of the projection device, and the effect of electronic information teaching is achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a projection arrangement of electronic information technology teaching usefulness has solved the problem that proposes in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a projection arrangement that electronic information technology teaching was used, includes the bottom plate, bottom plate front end integrated into one piece has the front bezel, bottom plate rear end integrated into one piece has the back plate, bottom plate top block has the circuit board, threaded hole is dug to bilateral symmetry around the bottom plate bottom, there is the curb plate of transparent plastic material through bolted connection in the threaded hole, front bezel and back plate top block have the roof of transparent plastic material, and rotate through the screw rod and connect.
As a preferred embodiment of the present invention, the front end of the left side of the circuit board top surface is soldered with the projection lens, and the rear end of the left side of the circuit board top surface is soldered with the control panel.
As a preferred embodiment of the present invention, the front plate left side is engaged with the control panel, and the front plate right side is engaged with the projection lens.
As a preferred embodiment of the utility model, the power cord is dug to back plate right side rear end, back plate right side middle part is dug there is the wiring groove.
As a preferred embodiment of the present invention, the radiator net is cut at the front end of the rear surface of the rear plate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a projection arrangement of electronic information technique teaching usefulness, through the setting of curb plate and roof, correspond the screw hole through the bolt and rotate to connect the curb plate of transparent plastic material, front bezel and back plate are connected to the roof that the rethread screw rod runs through the transparent plastic material, know projection arrangement's theory of operation in student's internal structure according to projection arrangement, open the effect of electronic information teaching.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the overall structure of the projection device for electronic information technology teaching of the present invention;
fig. 2 is the internal schematic view of the device structure of the projection device for electronic information technology teaching of the present invention.
In the figure: a control panel 1; a projection lens 2; a top plate 3; a screw 4; a rear plate 5; a side plate 6; a threaded hole 7; a circuit board 8; a power supply line 9; a wiring groove 10; a heat-dissipating net 11; a base plate 12; a front plate 13.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a projection arrangement that electronic information technology teaching was used, includes bottom plate 12, 12 front end integrated into one piece of bottom plate have front bezel 13, 12 rear end integrated into one piece of bottom plate have back plate 5, 12 top blocks of bottom plate have circuit board 8, both sides symmetry around 12 bottoms of bottom plate chisels threaded hole 7, there is the curb plate 6 of transparent plastic material through bolted connection in the threaded hole 7, front bezel 13 and 5 top blocks of back plate have roof 3 of transparent plastic material, and rotate through screw rod 4 and connect.
In this embodiment, please refer to fig. 1 and 2, the bolt rotates corresponding to the threaded hole 7 and is connected to the side plate 6 made of transparent plastic, and the screw rod 4 penetrates through the top plate 3 made of transparent plastic to connect the front plate 13 and the rear plate 5, so that the students can know the working principle of the projection device according to the internal structure of the projection device and start the electronic information teaching effect.
The front end of the left side of the top surface of the circuit board 8 is soldered with a projection mirror 2, and the rear end of the left side of the top surface of the circuit board 8 is soldered with a control board 1.
In the embodiment, referring to fig. 1, a PCL controller is soldered in a control board 1, and a signal is input through the control board 1 and transmitted to a projection lens 2.
The control panel 1 is clamped on the left side of the front plate 13, and the projection lens 2 is clamped on the right side of the front plate 13.
In the embodiment, referring to fig. 1, the control board 1 is fastened to the left side of the front board 13, and the projection lens 2 is fastened to the right side of the front board 13.
Wherein, rear end back-end cut power cord 9 in the right side of back plate 5, rear plate 5 right side middle part is cut there is wiring groove 10.
In this embodiment, please refer to fig. 1, the external power source is connected through the power line 9, and the wiring slot 10 is connected to the external signal line.
Wherein, the front end of the back plate 5 is provided with a radiator screen 11.
In the embodiment, please refer to fig. 1, the heat dissipation of the device is improved by the heat dissipation net 11.
It should be noted that the utility model relates to a projection device for electronic information technology teaching, which comprises a control panel 1, a projection mirror 2, a top plate 3, a screw rod 4, a back plate 5, a side plate 6, a threaded hole 7, a circuit board 8, a power line 9, a wiring groove 10, a heat dissipation net 11, a bottom plate 12 and a front plate 13, all of which are universal standard parts or parts known by those skilled in the art, the structure and principle of which are known by those skilled in the art through technical manuals or conventional experimental methods, when in operation, a bolt rotates corresponding to the threaded hole 7 and is connected with the side plate 6 made of transparent plastic material, the top plate 3 made of transparent plastic material is connected with the front plate 13 and the back plate 5 through the screw rod 4, a PCL controller is welded in the control panel 1, the signal is input through the control panel 1 and is transmitted to the projection mirror 2, the power line 9 is connected with an, the wiring slot 10 is connected to an external signal line, and the external signal input control board 1 sends the signal to the projection head 2 for projection.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A projection arrangement of electronic information technology teaching usefulness, includes bottom plate (12), its characterized in that: bottom plate (12) front end integrated into one piece has front bezel (13), bottom plate (12) rear end integrated into one piece has back plate (5), bottom plate (12) top block has circuit board (8), threaded hole (7) are dug to bottom plate (12) bottom front and back bilateral symmetry, there is curb plate (6) of transparent plastic material through bolted connection in threaded hole (7), front bezel (13) and back plate (5) top block have roof (3) of transparent plastic material, and rotate through screw rod (4) and connect.
2. A projection apparatus for electronic information technology teaching according to claim 1, wherein: the front end of the left side of the top surface of the circuit board (8) is soldered with the projection lens (2), and the rear end of the left side of the top surface of the circuit board (8) is soldered with the control board (1).
3. A projection apparatus for electronic information technology teaching according to claim 1, wherein: the left side of the front plate (13) is clamped with a control plate (1), and the right side of the front plate (13) is clamped with a projection lens (2).
4. A projection apparatus for electronic information technology teaching according to claim 1, wherein: the rear end of the right side of the rear plate (5) is provided with a power line (9), and the middle of the right side of the rear plate (5) is provided with a wiring groove (10).
5. A projection apparatus for electronic information technology teaching according to claim 1, wherein: the front end of the back plate (5) is provided with a radiator screen (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020408764.5U CN212061631U (en) | 2020-03-26 | 2020-03-26 | Projection arrangement that electronic information technology teaching was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020408764.5U CN212061631U (en) | 2020-03-26 | 2020-03-26 | Projection arrangement that electronic information technology teaching was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212061631U true CN212061631U (en) | 2020-12-01 |
Family
ID=73540773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020408764.5U Expired - Fee Related CN212061631U (en) | 2020-03-26 | 2020-03-26 | Projection arrangement that electronic information technology teaching was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212061631U (en) |
-
2020
- 2020-03-26 CN CN202020408764.5U patent/CN212061631U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 Termination date: 20210326 |