CN112863256A - Economic management learns teaching and uses combination formula teaching aid - Google Patents
Economic management learns teaching and uses combination formula teaching aid Download PDFInfo
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- CN112863256A CN112863256A CN202110065074.3A CN202110065074A CN112863256A CN 112863256 A CN112863256 A CN 112863256A CN 202110065074 A CN202110065074 A CN 202110065074A CN 112863256 A CN112863256 A CN 112863256A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/18—Book-keeping or economics
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Abstract
The invention discloses a combined teaching aid for economic management science teaching, which comprises a blackboard and a control terminal, wherein the control terminal comprises a machine body, the surface of the machine body is respectively provided with an infrared transmitter and a voice receiver, and the infrared transmitter is used for transmitting an infrared signal; the blackboard comprises a blackboard body; the number of the pixel plates is a plurality, the pixel plates are respectively and uniformly densely distributed on the plate body in a matrix form, each pixel plate is respectively provided with an infrared receiver and an indicator light, and the infrared receiver is used for receiving infrared signals sent by the infrared transmitter. The blackboard-writing display method and the blackboard-writing display device have the advantages that the area where the blackboard-writing is to be displayed is selected by the teacher on the blackboard in a circle mode, the blackboard-writing to be displayed is displayed on the area selected by the blackboard in a voice input mode, and meanwhile the size of the character is adjusted according to the size of the selected area, so that the teacher can write the blackboard-writing on the blackboard anywhere.
Description
Technical Field
The invention relates to the field of teaching aids, in particular to a combined teaching aid for economic management science teaching.
Background
In the teaching process, the teacher inevitably has writing of blackboard writing, and also needs to walk into the classmates simultaneously, carries out the explanation of course near the classmates, will give the student with the sense of familiarity like this, but, when standing in the classmates, just can not be timely reach blackboard department and carry out writing of blackboard writing, this experience that will make the teaching is felt to worsen.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a combined teaching aid for economic management teaching so as to solve the problems in the background technology.
Therefore, the invention provides a combined teaching aid for economic management science teaching, which comprises a blackboard and a control terminal, wherein the control terminal comprises a first central processing unit, the blackboard comprises a second central processing unit, and the first central processing unit is in signal connection with the second central processing unit through a wireless communication module; the control terminal includes: the surface of the machine body is respectively provided with an infrared transmitter and a voice receiver, and the infrared transmitter is used for transmitting an infrared signal; the first central processing unit is used for controlling the working state of the infrared transmitter, receiving the voice information received by the voice receiver, converting the voice information received by the voice receiver into text information through a text converter, and sending the text information to the second central processing unit through the wireless communication module; the first power supply is used for supplying power to the infrared transmitter, the voice receiver and the first central processing unit; the blackboard includes: a plate body; the pixel plates are uniformly distributed on the plate body in a matrix form, each pixel plate is provided with an infrared receiver and an indicator light, and the infrared receiver is used for receiving an infrared signal sent by the infrared transmitter; the second central processing unit is used for receiving the character information sent by the first central processing unit through the wireless communication module, receiving signals of the infrared receiver at the same time, obtaining a display area according to the position of the infrared receiver receiving the signals, and enabling the corresponding indicator lamp to be lightened to form a display font according to the character information; and the second power supply is used for supplying power to the infrared receiver, the indicator light and the second central processing unit.
Further, the switch of infrared emitter operating condition sets up on the surface of organism, first central processing unit is according to the operating condition of switch control infrared emitter.
Further, the organism is fore-and-aft tubular construction, voice receiver with infrared emitter sets up respectively the upper and lower both ends of organism, voice receiver is the microphone.
Further, when the second central processing unit obtains the display area according to the position of the infrared receiver, the method comprises the following steps:
acquiring the position coordinates of each infrared receiver;
respectively judging the continuity of the position coordinates of each infrared receiver;
when all the infrared receiver position coordinates have continuity, the surrounding area is the display area;
and when the position coordinates of the infrared receivers do not have continuity, respectively connecting two adjacent position coordinates of the infrared receivers which do not have continuity, and outputting the display area.
Furthermore, each pixel board is connected with the board body through one electric expansion piece, when the second central processing unit controls the indicator light to be turned on, the second central processing unit simultaneously controls the electric expansion pieces corresponding to the indicator light to be stretched, and when the second central processing unit receives a reset instruction, the second central processing unit enables all the electric expansion pieces to be restored to the original retraction state.
Furthermore, the edge of each pixel plate is connected with the plate body through a first elastic cloth, and the color of the first elastic cloth is the same as the color of the indicator lights after being lighted.
Furthermore, the edges of two adjacent pixel plates are respectively connected through a second elastic cloth, and the color of the second elastic cloth is the same as the color of the indicator lights after being lighted.
Furthermore, each pixel plate is respectively and uniformly provided with a plurality of infrared receivers and a plurality of indicator lights, and all the infrared receivers on each pixel plate correspond to the same position.
Further, the size of the display font is changed according to the display area.
Further, the beam of the infrared emitter is visible.
The invention provides a combined teaching aid for economic management science teaching, which has the following beneficial effects:
1. the method selects the area to be displayed on the blackboard by the teacher, displays the blackboard writing to be displayed on the area selected by the blackboard in a voice input mode, and adjusts the size of the character according to the size of the selected area, so that the teacher can write the blackboard writing on the blackboard anywhere;
2. according to the invention, the densely distributed retractors are placed on the bottom plate, the indicating lamp is arranged at the telescopic end of each retractor, and the elastic cloth is arranged between the two adjacent indicating lamps, so that when Chinese characters are displayed, the corresponding electric retractors are stretched, and the displayed characters have stereoscopic impression and can be better watched and experienced by students.
Drawings
FIG. 1 is a schematic view of the overall structure of a blackboard in the present invention;
FIG. 2 is a schematic view of the overall structure of a pixel plate on a blackboard according to the present invention;
FIG. 3 is a schematic diagram of the overall structure of the control terminal according to the present invention;
FIG. 4 is a schematic view of a connection structure between a plate body and a pixel plate according to the present invention;
fig. 5 is a schematic view of the connection structure between pixel plates according to the present invention.
Description of reference numerals:
1. a plate body; 2. a display area; 3. a pixel plate; 4. displaying the font; 5. an infrared receiver; 6. an indicator light; 7. a voice receiver; 8. an infrared emitter; 9. a body; 10. an electric expansion piece; 11. a first elastic cloth; 12. and a second elastic cloth.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
In the present application, the type and structure of components that are not specified are all the prior art known to those skilled in the art, and those skilled in the art can set the components according to the needs of the actual situation, and the embodiments of the present application are not specifically limited.
Specifically, as shown in fig. 1 to 5, an embodiment of the present invention provides a combined teaching aid for economic management science teaching, including a blackboard and a control terminal, where the control terminal includes a first central processing unit, the blackboard includes a second central processing unit, and the first central processing unit is in signal connection with the second central processing unit through a wireless communication module; the wireless communication module establishes a signal connection bridge between the blackboard and the control terminal, the wireless communication module can be used for transmitting signals under the condition that a certain distance exists between the blackboard and the control terminal, a teacher can stand among students and still can use the control terminal to send instructions to the blackboard, the teacher can write on the blackboard without being in front of the blackboard, the blackboard is generally positioned on the wall of a classroom, and the control terminal is positioned on the hand of the teacher. The blackboard and the control terminal will be described in detail below.
The control terminal includes: a body 9, an infrared transmitter 8 and a voice receiver 7. The surface of the machine body 9 is respectively provided with an infrared transmitter 8 and a voice receiver 7, and the infrared transmitter 8 is used for sending out an infrared signal; the first central processing unit is used for controlling the working state of the infrared transmitter 8, receiving the voice information received by the voice receiver 7, converting the voice information received by the voice receiver 7 into text information through a text converter, and sending the text information to the second central processing unit through the wireless communication module; the first power supply is used for supplying power to the infrared transmitter 8, the voice receiver 7 and the first central processing unit.
The control terminal is used for receiving the control of the teacher, converting the control into a control instruction according to the control of the teacher, and sending the control instruction to the second central processing unit to enable the second central processing unit to execute, when the teacher wants to write on the blackboard, the blackboard writing to be written by the teacher is spoken at the moment by using the voice input, after being received by the voice receiver 7, the voice is converted into text information by the text converter and then transmitted, meanwhile, the operation of the infrared transmitter 8 is controlled by the teacher, for example, in fig. 3, two-stage switches, namely an upper stage switch and a lower stage switch, when the switch is positioned at the upper gear, the infrared transmitter 8 is in an operating state and the voice receiver 7 is in a non-operating state, when the switch is in the lower gear, the infrared transmitter 8 is in the non-operating state and the voice receiver 7 is in the operating state, so that good control can be realized.
The blackboard includes: plate body 1, pixel board 3, infrared receiver 5 and pilot lamp 6. Wherein, the plate body 1 is fixed on the wall surface of a classroom; the number of the pixel plates 3 is several, the several pixel plates 3 are respectively and uniformly densely distributed on the plate body 1 in a matrix form, each pixel plate 3 is respectively provided with an infrared receiver 5 and an indicator light 6, and the infrared receiver 5 is used for receiving an infrared signal sent by the infrared transmitter 8; the second central processing unit is used for receiving the character information sent by the first central processing unit through the wireless communication module, receiving the signal of the infrared receiver 5, obtaining a display area 2 according to the position of the infrared receiver 5 receiving the signal, and enabling the corresponding indicator lamp 6 to be lightened to form a display font 4 according to the character information; the second power supply is used for supplying power to the infrared receiver 5, the indicator lamp 6 and the second central processing unit.
The blackboard can determine a display area after receiving the signals received by the infrared receiver 5, the area enclosed by the position of the infrared receiver 5 receiving the infrared emitter 8 is the display area, the second central processing unit constructs a blank picture in the blackboard, the distribution of the pixel points of the blank picture is completely consistent with the distribution of the pixel plate 3 on the board body 1, therefore, the display area can be surrounded on the blank picture according to the position of the infrared receiver 5, and then the received character information is displayed on the corresponding display area, synchronizing the pixel points corresponding to the blank picture to the indicator lamps 6 of each corresponding pixel plate 3, so that the indicator lamps 6 are lightened to form display fonts 4, this allows the students to see the blackboard writing the teacher is writing, and the teacher is standing between students all the time.
In the technical scheme of the above, when the blackboard writing device is used, a teacher uses a control terminal, when the teacher needs to perform blackboard writing, the teacher uses an infrared signal sent by an infrared emitter 8 of the control terminal, an area to be subjected to blackboard writing is selected by a pixel plate 3 frame facing a blackboard, then the teacher speaks the content to be subjected to blackboard writing, so that the blackboard writing to be displayed is displayed on the blackboard, not only can the teacher perform lecture, but also can realize a dust-free environment, so that the blackboard writing device cannot be disturbed by chalk dust, and meanwhile, the teacher can always stand between students, and emotional communication between the students and the teacher is increased.
In fig. 1, the small circles are pixel plates 3, the black pixel plates 3 are display fonts 4, and the gray pixel plates 3 are display areas 2 circled by the teacher.
In this embodiment, the switch for the operating status of the infrared emitter 8 is disposed on the surface of the body 9, and the first cpu controls the operating status of the infrared emitter 8 according to the status of the switch. Therefore, the teacher can control the working state of the infrared emitter 8 at any time, and when the teacher needs to select the display area, the teacher can turn on the switch.
In this embodiment, the body 9 is a longitudinal cylinder structure, the voice receiver 7 and the infrared emitter 8 are respectively disposed at the upper and lower ends of the body 9, and the voice receiver 7 is a microphone. Thus, the use is very convenient.
In this embodiment, when the second cpu obtains the display area 2 according to the position of the infrared receiver 5, the method includes the following steps:
(1) acquiring the position coordinates of each infrared receiver 5;
(2) respectively judging the continuity of the position coordinates of each infrared receiver 5;
(3) when all the position coordinates of the infrared receiver 5 have continuity, the surrounding area is the display area 2;
(4) when the position coordinates of the infrared receivers 5 do not have continuity, the position coordinates of two adjacent infrared receivers 5 which do not have continuity are respectively connected, and then the display area 2 is output.
In the above technical solution, since the display area 2 is originally selected by human, when selecting, some selected curves may not form a closed shape, and therefore, the display area 2 needs to be kept closed, that is, the closed display area 2 always appears in the display area 2 no matter what the teacher selects the path. In this regard, the present invention determines the continuity of the position coordinates of each of the infrared receivers 5, when judging, the position coordinates of each infrared receiver 5 are respectively judged, and when judging the continuity, whether or not adjacent position coordinates around the position coordinate exist in the set of so-called position coordinates, that is, the position coordinates of the infrared receiver 5 received by the infrared transmitter 8 are a set, and when we perform continuity judgment on the position coordinates of one infrared receiver 5 in the set, whether there are at least two, if any, the infrared receiver 5 has continuous position coordinates, and has continuity, otherwise, the infrared receiver is not continuous, and finally, the infrared receivers 5 with shorter distance are respectively connected with the position coordinates, so that the display area 2 is in a closed state.
In this embodiment, as shown in fig. 4, each pixel plate 3 is connected to the plate body 1 through one of the electric expanders 10, when the second central processing unit controls the indicator lights 6 to be turned on, the second central processing unit simultaneously controls the electric expanders 10 corresponding to the indicator lights 6 to stretch, and when the second central processing unit receives a reset instruction, the second central processing unit enables all the electric expanders 10 to return to an original retraction state.
In the above technical scheme, when the display of the display fonts 4 is performed, the non-lighting parts are distinguished by lighting the indicator lamps 6, therefore, in the embodiment, the pixel plates 3 lighted by the indicator lamps 6 are pushed up by using the electric telescopic device 10, so that the distances of the layers are generated between the other pixel plates 3, and thus, the displayed display fonts 4 can be seen by students, and have hierarchical stereoscopic impression, so that the students and teachers have better visual sense when watching.
Meanwhile, the edge of each pixel plate 3 is connected with the plate body 1 through a first elastic cloth 11, and the color of the first elastic cloth 11 is the same as the color of the indicator light 6 after being turned on. Therefore, the internal electric telescopic device 10 can be shielded, so that the appearance is better and the visual effect is better when the viewer watches the electric telescopic device.
Meanwhile, the edges of two adjacent pixel plates 3 are connected through a second elastic cloth 12, and the color of the second elastic cloth 12 is the same as the color of the indicator light 6 after being lighted. This makes it possible to display the fonts 4 more continuously when they are to be viewed.
In this embodiment, a plurality of the infrared receivers 5 and a plurality of the indicator lights 6 are respectively and uniformly disposed on each of the pixel plates 3, and all the infrared receivers 5 on each of the pixel plates 3 correspond to the same position. That is, the number of infrared receivers 5 is increased, so that the infrared signals are received more accurately, and the corresponding positions of all the infrared receivers 5 on each pixel plate 3 are the positions of the pixel plate 3.
In this embodiment, the size of the display font 4 varies according to the display area 2. Thus, the size of the font can be adjusted according to the actual condition of the teacher.
In this embodiment, the beam of the infrared emitter 8 is visible. Therefore, the teacher can select the display area 2 according to the visible light beams of the own visual field, and the selected display area 2 is more accurate.
In the invention, the bottom color of the board body 1 is black, and the color of the indicator light 6 is white, so that the color and luster of the blackboard is more similar to that of a traditional blackboard, and meanwhile, the first elastic cloth 11 and the second elastic cloth 12 are both white and are consistent with the color of the indicator light 6.
When the second power supply is powered off, the second central processing unit controls the left and right components to be initialized when the second power supply is started, namely, the second central processing unit is started again after the second power supply is powered off, and all characters displayed before disappear and need to be recorded and displayed again.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (10)
1. A combined teaching aid for economic management science teaching is characterized by comprising a blackboard and a control terminal, wherein the control terminal comprises a first central processing unit, the blackboard comprises a second central processing unit, and the first central processing unit is in signal connection with the second central processing unit through a wireless communication module;
the control terminal includes:
the surface of the machine body (9) is respectively provided with an infrared transmitter (8) and a voice receiver (7), and the infrared transmitter (8) is used for sending out an infrared signal;
the first central processing unit is used for controlling the working state of the infrared transmitter (8), receiving the voice information received by the voice receiver (7), converting the voice information received by the voice receiver (7) into character information through a character converter, and sending the character information to the second central processing unit through the wireless communication module;
the first power supply is used for supplying power to the infrared transmitter (8), the voice receiver (7) and the first central processing unit;
the blackboard includes:
a plate body (1);
a plurality of pixel plates (3), wherein the pixel plates (3) are uniformly distributed on the plate body (1) in a matrix form, each pixel plate (3) is provided with an infrared receiver (5) and an indicator light (6), and the infrared receiver (5) is used for receiving an infrared signal sent by the infrared transmitter (8);
the second central processing unit is used for receiving the character information sent by the first central processing unit through the wireless communication module, receiving signals of the infrared receiver (5), obtaining a display area (2) according to the position of the infrared receiver (5) receiving the signals, and enabling the corresponding indicator lamp (6) to be lightened to form a display font (4) according to the character information;
and the second power supply is used for supplying power to the infrared receiver (5), the indicator lamp (6) and the second central processing unit.
2. A combined teaching aid for economic management science teaching according to claim 1, characterized in that the switch of the working state of the infrared emitter (8) is arranged on the surface of the machine body (9), and the first central processing unit controls the working state of the infrared emitter (8) according to the state of the switch.
3. A combined teaching aid for economic management science teaching according to claim 1, characterized in that the machine body (9) is a longitudinal cylinder structure, the voice receiver (7) and the infrared transmitter (8) are respectively arranged at the upper and lower ends of the machine body (9), and the voice receiver (7) is a microphone.
4. A combined teaching aid for economic management science teaching according to claim 1, characterized in that when the second cpu obtains the display area (2) according to the position of the infrared receiver (5), it comprises the following steps:
acquiring the position coordinates of each infrared receiver (5);
respectively judging the continuity of the position coordinates of each infrared receiver (5);
when all the position coordinates of the infrared receivers (5) have continuity, the surrounding area is the display area (2);
and when the position coordinates of the infrared receivers (5) do not have continuity, respectively connecting the position coordinates of two adjacent infrared receivers (5) which do not have continuity, and outputting the display area (2).
5. The combined teaching aid for economic management science teaching according to claim 1, wherein each pixel plate (3) is connected with the plate body (1) through one electric expansion piece (10), the second central processing unit controls the electric expansion pieces (10) corresponding to the indicator lamps (6) to stretch when the indicator lamps (6) are controlled to be lighted, and the second central processing unit enables all the electric expansion pieces (10) to be restored to the original retraction state when the second central processing unit receives a reset instruction.
6. A combined teaching aid for economic management science teaching according to claim 5, characterized in that the edge of each pixel plate (3) is connected to the plate body (1) by a first elastic cloth (11), the color of the first elastic cloth (11) is the same as the color of the indicator light (6) after it is lighted.
7. A combined teaching aid for economic management science teaching according to claim 5, characterized in that the edges of two adjacent pixel plates (3) are connected by a second elastic cloth (12), the color of the second elastic cloth (12) is the same as the color of the indicator light (6) after being lighted.
8. A combined teaching aid for economic management science teaching according to claim 1, characterized in that a plurality of infrared receivers (5) and a plurality of indicator lights (6) are respectively and uniformly arranged on each pixel plate (3), and all the infrared receivers (5) on each pixel plate (3) correspond to the same position.
9. A combined teaching aid for economic management science teaching according to claim 1, characterized in that the size of the display font (4) varies according to the display area (2).
10. A combined teaching aid for economic management science teaching according to claim 1, characterized in that the beam of the infrared emitter (8) is visible.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110065074.3A CN112863256B (en) | 2021-01-18 | 2021-01-18 | Economic management learns teaching and uses combination formula teaching aid |
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| CN202110065074.3A CN112863256B (en) | 2021-01-18 | 2021-01-18 | Economic management learns teaching and uses combination formula teaching aid |
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| CN112863256B CN112863256B (en) | 2022-09-23 |
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| Publication number | Publication date |
|---|---|
| CN112863256B (en) | 2022-09-23 |
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