CN209775951U - Teaching device integrating push-pull blackboard and projector - Google Patents
Teaching device integrating push-pull blackboard and projector Download PDFInfo
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- CN209775951U CN209775951U CN201920200692.2U CN201920200692U CN209775951U CN 209775951 U CN209775951 U CN 209775951U CN 201920200692 U CN201920200692 U CN 201920200692U CN 209775951 U CN209775951 U CN 209775951U
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- projector
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- pull
- blackboard
- travel switch
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Abstract
The utility model relates to a teaching device of integrated plug-type blackboard and projecting apparatus, include: the device comprises two push-pull type blackboards, a projector screen, two travel switches and a first control signal line; the travel switch is arranged on the inner side of the push-pull blackboard; one end of the first control signal wire is connected with the travel switch, and the other end of the first control signal wire is connected with the projector; when the two push-pull type blackboards are close to the screen of the middle projector, the travel switch is closed, the projector closes the light source output, and when the two push-pull type blackboards are unfolded outwards, the travel switch is disconnected, and the projector opens the light source output. The utility model discloses a light source output of plug-type blackboard control projecting apparatus can make full use of the space effectively, can let teacher or conference host switch over between plug-type blackboard and projection screen conveniently again.
Description
Technical Field
The utility model relates to a teaching technical field, especially a teaching device of integrated plug-type blackboard and projecting apparatus.
Background
In an existing classroom or meeting room, a handwriting blackboard/push-pull blackboard and projector equipment are mutually independent, and for a scene needing the handwriting blackboard/push-pull blackboard and the projector equipment, the mutual independence of the handwriting blackboard/push-pull blackboard and the projector equipment can cause the need of a large space for accommodating the two kinds of equipment. For a classroom or a smaller meeting room, due to the limitation of space, a projection screen of a handwriting blackboard/push-pull blackboard or projector equipment cannot be maximized, so that a visual effect is poor and a use effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an among the main aim at overcome prior art, provide a teaching device of integrated plug-type blackboard and projecting apparatus, through the light source output of plug-type blackboard control projecting apparatus, can make full use of space effectively, can let teacher or meeting host switch over between plug-type blackboard and projection screen conveniently again, improved the intelligent degree and the user experience of teaching or meeting.
The utility model adopts the following technical scheme:
A teaching device integrating a push-pull blackboard and a projector comprises: the device comprises two push-pull type blackboards, a projector screen, two travel switches and a first control signal line; the travel switch is arranged on the inner side of the push-pull blackboard; one end of the first control signal wire is connected with the travel switch, and the other end of the first control signal wire is connected with the projector; when the two push-pull type blackboards are close to the screen of the middle projector, the travel switch is closed, the projector closes the light source output, and when the two push-pull type blackboards are unfolded outwards, the travel switch is disconnected, and the projector opens the light source output.
Preferably, the travel switch and the push-pull blackboard are independently installed; when any one or two push-pull type blackboards move to the screen of the middle projector to touch any one travel switch, the travel switch is closed, and the projector closes the output of the light source; when the two push-pull type blackboards are unfolded outwards until the two push-pull type blackboards do not touch the travel switch, the travel switch is switched off, and the projector turns on the output light source.
Preferably, the travel switch is arranged on the inner side of the push-pull blackboard; when any one or two push-pull type blackboards move to a middle projector screen until one travel switch touches the projector screen, the travel switch is closed, and the projector closes the output of a light source; when the two push-pull type blackboards are unfolded outwards until the two travel switches do not touch the projector screen, the travel switches are switched off, and the projector turns on the output light source.
Preferably, the push-pull blackboard comprises a left push-pull blackboard and a right push-pull blackboard; the travel switches comprise a first travel switch and a second travel switch; the first travel switch is arranged on the inner side of the right end part of the left push-pull type blackboard; the second travel switch is arranged on the inner side of the left end part of the right push-pull type blackboard.
preferably, the teaching device further comprises a manual switch and a second control signal line; one end of the second control signal line is connected with the manual switch, and the other end of the second control signal line is connected with the projector.
Preferably, the manual switch is a self-locking switch.
Preferably, the projector screen is an electronic whiteboard.
Preferably, the projector is an ultra-short focus laser projector.
From the above description of the present invention, compared with the prior art, the present invention has the following advantages:
(1) the utility model relates to a teaching device integrating a push-pull blackboard and a projector, which breaks through the traditional space limitation, realizes the organic integration and the free switching of the push-pull blackboard and a projection screen, can maximize the push-pull blackboard or the projection screen, and improves the intelligent degree and the user experience of the teaching;
(2) the utility model relates to a teaching device integrating a push-pull blackboard and a projector, wherein the push-pull blackboard is provided with a travel switch, and the light source of the projector is turned on or off in the process that the push-pull blackboard is pulled outwards or drawn inwards;
(3) The utility model relates to a teaching device of integrated plug-type blackboard and projecting apparatus is provided with hand switch to the realization is to the manual control of projecting apparatus light source output.
the present invention will be described in further detail with reference to the accompanying drawings and examples, but the teaching device of the present invention is not limited to the examples.
Drawings
FIG. 1 is a block diagram showing the structure of a push-pull blackboard according to embodiment 1 of the present invention when it is deployed;
Fig. 2 is a block diagram showing the push-pull type blackboard of embodiment 2 of the present invention when it is unfolded.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Example 1
Referring to fig. 1, the utility model relates to a teaching device of integrated plug-type blackboard and projecting apparatus 12, include: two push-pull type blackboards, a projector 12, a projector screen 13, two travel switches and a first control signal line 16; the travel switch is arranged on the inner side of the push-pull blackboard; one end of the first control signal line 16 is connected with the travel switch, and the other end is connected with the projector 12; when the two push-pull type blackboards are close to the middle projector screen 13, the travel switch is closed, the projector 12 closes the light source output, and when the two push-pull type blackboards are unfolded outwards, the travel switch is disconnected, and the projector 12 opens the light source output.
In this embodiment, the travel switch and the push-pull blackboard are independently installed; when any one or two push-pull type blackboards move to the middle projector screen 13 to touch any one travel switch, the travel switch is closed (outputs low level), and the projector 12 closes the light source output; when the two push-pull type blackboards are unfolded outwards until the two push-pull type blackboards do not touch the travel switch, the travel switch is switched off (outputs high level), and the projector 12 turns on the output light source.
The projector 12 is an ultra-short-focus laser projector 12, and has a short focal length and is easy to install; the screen size is large, and the maximum support is 120 inches; the light flux is high and is up to 4000 Lm; the light source has the characteristics of long service life and the like, is suitable for being used in classrooms, and can effectively ensure the viewing effect of a large screen.
the projector screen 13 is an interactive electronic whiteboard. The push-pull blackboard is a novel writing board, the use of the push-pull blackboard is the same as that of a common teaching blackboard on the surface, but after two boards blocked outside are pushed away, an interactive electronic whiteboard appears, the interactive electronic whiteboard is used as a projector screen 13, and the writing board and the electronic whiteboard are switched randomly, so that the interactive electronic whiteboard is safe and convenient.
The push-pull blackboard comprises a left push-pull blackboard 10 and a right push-pull blackboard 11; the travel switches include a first travel switch 14 and a second travel switch 15; the first travel switch 14 is arranged on the inner side of the right end part of the left push-pull type blackboard 10; the second travel switch 15 is provided inside the left end portion of the right push-pull type blackboard 11.
The teaching device also comprises a manual switch 18 and a second control signal line 17; one end of the second control signal line 17 is connected to the manual switch 18, and the other end is connected to the projector 12.
In the present embodiment, the first control signal line 16 and the second control signal line 17 are used for transmitting control signals. And wired transmission is adopted, so that the signal stability and the anti-interference performance are higher.
The manual switch 18 is a self-locking switch. The switch is closed when the manual switch is pressed, and the manual switch keeps a closed state after the hand is released; and then the manual switch is pressed to be disconnected, and the disconnected state is kept after the hand is released. The utility model discloses a manual switch can manually close or open 12 light sources of projecting apparatus. Corresponding to the situation that the push-pull blackboard is not pushed to the middle, the travel switch is not closed at the moment, and the light source output needs to be closed at the moment, the manual switch can be pressed to close the switch and close the light source output. When the manual switch is pressed again to turn off the switch, the automatic control function of the travel switch can be recovered.
Example 2
Referring to fig. 2, the utility model relates to a teaching device of integrated plug-type blackboard and projecting apparatus 22, include: two push-pull type blackboards, a projector 22, a projector screen 23, two travel switches and a first control signal line 26; the travel switch is arranged on the inner side of the push-pull blackboard; one end of the first control signal line 26 is connected with the travel switch, and the other end is connected with the projector 22; when the two push-pull type blackboards are close to the middle projector screen 23, the travel switch is closed, the projector 22 closes the light source output, and when the two push-pull type blackboards are unfolded outwards, the travel switch is disconnected, and the projector 22 opens the light source output.
In the embodiment, the travel switch is arranged on the inner side of the push-pull blackboard; when any one or two push-pull type blackboards move to the middle projector screen 23 until one travel switch touches the projector screen 23, the travel switch is closed, and the projector 22 closes the light source output; when the two push-pull type blackboards are unfolded outwards until the two travel switches do not touch the projector screen 23, the travel switches are switched off, and the projector 22 turns on the output light source.
The projector 22 is an ultra-short-focus laser projector 22, and has a short focal length and is easy to install; the screen size is large, and the maximum support is 120 inches; the light flux is high and is up to 4000 Lm; the light source has the characteristics of long service life and the like, is suitable for being used in classrooms, and can effectively ensure the viewing effect of a large screen.
The projector screen 23 is an interactive electronic whiteboard. The push-pull blackboard is a novel writing board, the use of the push-pull blackboard is the same as that of a common teaching blackboard on the surface, but after two boards blocked outside are pushed away, an interactive electronic whiteboard appears, the interactive electronic whiteboard is used as a projector screen 23, and the writing board and the electronic whiteboard are switched at will, so that the interactive electronic whiteboard is safe and convenient.
The push-pull blackboard comprises a left push-pull blackboard 20 and a right push-pull blackboard 21; the travel switches include a first travel switch 24 and a second travel switch 25; the first travel switch 24 is arranged on the inner side of the right end part of the left push-pull type blackboard 20; the second travel switch 25 is provided inside the left end portion of the right push-pull type blackboard 21.
The teaching device further comprises a manual switch 28 and a second control signal line 27; the second control signal line 27 has one end connected to the manual switch 28 and the other end connected to the projector 22.
In the present embodiment, the first control signal line 26 and the second control signal line 27 are used for transmitting control signals. And wired transmission is adopted, so that the signal stability and the anti-interference performance are higher.
The manual switch 28 is a self-locking switch. The switch is closed when the manual switch is pressed, and the manual switch keeps a closed state after the hand is released; and then the manual switch is pressed to be disconnected, and the disconnected state is kept after the hand is released. The utility model discloses a manual switch can manually close or open projecting apparatus 22 light source. Corresponding to the situation that the push-pull blackboard is not pushed to the middle, the travel switch is not closed at the moment, and the light source output needs to be closed at the moment, the manual switch can be pressed to close the switch and close the light source output. When the manual switch is pressed again to turn off the switch, the automatic control function of the travel switch can be recovered.
The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (8)
1. The utility model provides an integrated plug-type blackboard and teaching device of projecting apparatus which characterized in that includes: the device comprises two push-pull type blackboards, a projector screen, two travel switches and a first control signal line; the travel switch is arranged on the inner side of the push-pull blackboard; one end of the first control signal wire is connected with the travel switch, and the other end of the first control signal wire is connected with the projector; when the two push-pull type blackboards are close to the screen of the middle projector, the travel switch is closed, the projector closes the light source output, and when the two push-pull type blackboards are unfolded outwards, the travel switch is disconnected, and the projector opens the light source output.
2. The integrated push-pull blackboard and projector teaching device of claim 1, wherein the travel switch is mounted independently of the push-pull blackboard; when any one or two push-pull type blackboards move to the screen of the middle projector to touch any one travel switch, the travel switch is closed, and the projector closes the output of the light source; when the two push-pull type blackboards are unfolded outwards until the two push-pull type blackboards do not touch the travel switch, the travel switch is switched off, and the projector turns on the output light source.
3. A teaching device integrating a push-pull blackboard and a projector according to claim 1, wherein the travel switch is installed inside the push-pull blackboard; when any one or two push-pull type blackboards move to a middle projector screen until one travel switch touches the projector screen, the travel switch is closed, and the projector closes the output of a light source; when the two push-pull type blackboards are unfolded outwards until the two travel switches do not touch the projector screen, the travel switches are switched off, and the projector turns on the output light source.
4. A teaching device integrating a push-pull blackboard and a projector according to claim 1 wherein the push-pull blackboard includes a left push-pull blackboard and a right push-pull blackboard; the travel switches comprise a first travel switch and a second travel switch; the first travel switch is arranged on the inner side of the right end part of the left push-pull type blackboard; the second travel switch is arranged on the inner side of the left end part of the right push-pull type blackboard.
5. A teaching device integrating a push-pull blackboard and a projector as claimed in claim 1, further including a manual switch and a second control signal line; one end of the second control signal line is connected with the manual switch, and the other end of the second control signal line is connected with the projector.
6. An integrated push-pull blackboard and projector educational device according to claim 5, wherein the manual switch is a self-locking switch.
7. A teaching device integrating a push-pull blackboard and a projector as claimed in claim 1, where the projector screen is an electronic whiteboard.
8. An integrated push-pull blackboard and projector educational device according to claim 1, where the projector is an ultra-short focus laser projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920200692.2U CN209775951U (en) | 2019-02-13 | 2019-02-13 | Teaching device integrating push-pull blackboard and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920200692.2U CN209775951U (en) | 2019-02-13 | 2019-02-13 | Teaching device integrating push-pull blackboard and projector |
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| Publication Number | Publication Date |
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| CN209775951U true CN209775951U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920200692.2U Active CN209775951U (en) | 2019-02-13 | 2019-02-13 | Teaching device integrating push-pull blackboard and projector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113782A (en) * | 2020-09-10 | 2020-12-22 | 湖北嘉利胜科技有限公司 | Aluminum alloy door and window performance outdoor scene simulation equipment |
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2019
- 2019-02-13 CN CN201920200692.2U patent/CN209775951U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113782A (en) * | 2020-09-10 | 2020-12-22 | 湖北嘉利胜科技有限公司 | Aluminum alloy door and window performance outdoor scene simulation equipment |
| CN112113782B (en) * | 2020-09-10 | 2022-05-20 | 湖北嘉利胜科技有限公司 | Aluminum alloy door and window performance outdoor scene simulation equipment |
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