CN208521583U - A kind of acousto-optic interesting interaction complete square formula displaying teaching aid - Google Patents
A kind of acousto-optic interesting interaction complete square formula displaying teaching aid Download PDFInfo
- Publication number
- CN208521583U CN208521583U CN201821100480.9U CN201821100480U CN208521583U CN 208521583 U CN208521583 U CN 208521583U CN 201821100480 U CN201821100480 U CN 201821100480U CN 208521583 U CN208521583 U CN 208521583U
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- CN
- China
- Prior art keywords
- color screen
- button
- acousto
- optic
- teaching aid
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of acousto-optic interesting interaction complete square formula displaying teaching aid, structure is simple, it is cheap, and it is practical, including sound equipment, the sound equipment side be provided with billboard, the billboard bottom end is connected with color screen, the color screen side is provided with desktop, and the desktop side is provided with cabinet, and the table-top surface is provided with a2Color screen, a2Color screen side is provided with the first plus sige color screen, and the first plus sige color screen side is provided with b2Color screen, the b2Color screen side is provided with the second plus sige color screen, and the second plus sige color screen side is provided with 2ab color screen, and 2ab color screen side, which is provided with, is equal to number color screen, and number color screen side that is equal to is provided with (a-b)2Color screen, it is described (a-b)2Color screen bottom is provided with a2Button, a2Button side is provided with b2Button, the b2Button side is provided with 2ab button, and 2ab button side is provided with reset button.
Description
Technical field
The utility model relates to a kind of displaying teaching aid, in particular to a kind of acousto-optic interesting interaction complete square formula shows religion
Tool, belongs to teaching applied technical field.
Background technique
Complete square formula is the important formula in junior middle school's grade eight mathematics first volume, has in entire teaching and widely answers
With largely mending the method for area using cardboard geometric mode and cutting in present teaching and the method for factorization verify public affairs
The correctness of formula, this showpiece, teaching aid are combined with digital circuit, with electronic circuit.By interaction mode, completes entertaining and show
And instructional function.This showpiece teaching aid, for dominant ideas, utilizes digital circuit, electricity with intellectual, interest, practicability, entertainment
The control methods such as sub-circuit, color screen, language divide principle using area, easy-to-understand with sound, light, electricity and interactive operation mode
Proof complete square formula be correctly, and to have deepened the permanent memory of student, therefore, a kind of acousto-optic interesting interaction is complete
Least squares equation shows that teaching aid will possess good market prospects.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and it is complete to provide a kind of acousto-optic interesting interaction
Full least squares equation shows teaching aid, easy to use, has saved a large amount of cost.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
The utility model provides a kind of acousto-optic interesting interaction complete square formula displaying teaching aid, including sound equipment, the sound equipment
Side is provided with billboard, and the billboard bottom end is connected with color screen, and the color screen side is provided with desktop, the desktop side
It is provided with cabinet, the table-top surface is provided with a2Color screen, a2Color screen side is provided with the first plus sige color screen, and described first
Plus sige color screen side is provided with b2Color screen, the b2Color screen side is provided with the second plus sige color screen, the second plus sige color screen side
It is provided with 2ab color screen, 2ab color screen side, which is provided with, is equal to number color screen, and number color screen side that is equal to is provided with (a-b)2
Color screen, it is described (a-b)2Color screen bottom is provided with a2Button, a2Button side is provided with b2Button, the b2Button side is set
It is equipped with 2ab button, 2ab button side is provided with reset button, and the box house is provided with power supply.
As a kind of optimal technical scheme of the utility model, a2SB1 in button corresponding circuits.
As a kind of optimal technical scheme of the utility model, the b2SB2 in button corresponding circuits.
SB3 as a kind of optimal technical scheme of the utility model, in the 2ab button corresponding circuits.
As a kind of optimal technical scheme of the utility model, the power supply and the color screen, a2Color screen, the first plus sige are color
Screen, b2Color screen, 2ab color screen, is equal to number color screen, (a-b) at the second plus sige color screen2Color screen, a2Button, b2It is button, 2ab button, clear
Zero button is electrical connected.
The utility model beneficial effect achieved is: the utility model has the advantages of simple structure, cheap, and practicability
By force, when experiencer presses different buttons, showpiece will just will appear according to the function represented by button, color screen and formula color screen
Corresponding regular movements is lighted, and with corresponding speech music perfect expressions.This showpiece teaching aid replenishes science and technology center's mathematics exhibition item, enriches and learns
The teaching aid in school has saved a large amount of cost, easy to use, has good economic benefit and social benefit, is suitble to push away
It is wide to use.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the subjective structural schematic diagram of the utility model；
Fig. 2 is the table top set-ups schematic diagram of the utility model；
Fig. 3 is the total control circuit theory structure schematic diagram of the utility model；
Fig. 4 is the control circuit figure structure schematic representation of the utility model；
Fig. 5 is the box inner structure schematic diagram of the utility model；
In figure: 1, sound equipment；2, billboard；3, color screen；4, cabinet；5, desktop；6,a2Color screen；7, the first plus sige color screen；8,b2
Color screen；9, the second plus sige color screen；10,2ab color screen；11, it is equal to number color screen； 12,(a-b)2Color screen；13,a2Button；14,b2It presses
Button；15,2ab button；16, reset button；17, power supply.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: as shown in Figs. 1-5, the utility model provides a kind of acousto-optic interesting interaction complete square formula displaying religion
Tool, including sound equipment 1,1 side of sound equipment are provided with billboard 2, and 2 bottom end of billboard is connected with color screen 3, the color screen 3
Side is provided with desktop 5, and 5 side of desktop is provided with cabinet 4, and 5 surface of desktop is provided with a2Color screen 6, a2Color screen
6 sides are provided with the first plus sige color screen 7, and 7 side of the first plus sige color screen is provided with b2Color screen 8, the b28 side of color screen is set
It is equipped with the second plus sige color screen 9,9 side of the second plus sige color screen is provided with 2ab color screen 10,10 side of the 2ab color screen setting
Have and be equal to number color screen 11,11 side of number color screen that is equal to is provided with a-b2Color screen 12, the a-b212 bottom of color screen is provided with a2
Button 13, a213 side of button is provided with b2Button 14, the b214 side of button is provided with 2ab button 15, the 2ab
15 side of button is provided with reset button 16, and the cabinet 4 is internally provided with power supply 17.
In order to make this kind of acousto-optic interesting interaction complete square formula show teaching aid, easy to use, work efficiency is high, a2
SB1 in 13 corresponding circuits of button, the b2SB2 in 14 corresponding circuits of button, in 15 corresponding circuits of 2ab button
SB3, the power supply 17 and the color screen 3, a2Color screen 6, the first plus sige color screen 7, b2Color screen 8, the second plus sige color screen 9,2ab color screen
10, it is equal to number color screen 11, a-b2Color screen 12, a2Button 13, b2Button 14,2ab button 15, reset button 16 are electrical connected.
When the utility model is used, when pressing a2When button 13 (SB1) key, trigger signal inputs 555 time base circuits
Low potential, the not circuit output end that base single channel forms when making 555, exports high potential, makes the execution being connected with output circuit
Circuit transistor (9013) conducting, relay are attracted, and relay normally open contact 11,12,13,14 is made to be attracted conducting, pass through 13 touchings
Point makes big square green a2Color screen 6 is lighted, the green a in formula2Color screen 6 is lighted, while by the conducting of " 12 " contact and in short-term
Trigger circuit makes sound circuit be triggered, and issues corresponding clear a2 voice by power amplifier；When pressing b2Button 14
(SB2) when key, trigger signal makes 555 time base circuits input low potential, the not circuit output end for forming 555 time base circuits,
High potential is exported, the execution circuit transistor (9013) being connected with output circuit is connected, relay is attracted, and keeps relay normal
It opens contact 21,22,23,24 to be attracted to leading to, makes small square red b by 23 contacts2Color screen 8 is lighted, and first in formula adds
Number color screen 7 and b2Color screen 8 is lighted, while passing through the conducting of 22 contacts and in short-term trigger circuit, so that sound circuit is triggered, is passed through function
Rate amplifier issues corresponding clear+b2 voice；When pressing 2ab button 15 (SB3) key, trigger signal makes 555 time base circuits
Low potential is inputted, the not circuit output end for forming 555 time base circuits exports high potential, makes to be connected with output circuit
Execution circuit transistor (9013) conducting, base electric appliance are attracted.It is attracted relay normally open contact 31,32,33,34 to leading to, passes through
33 contacts light 2 2ab color screens 10, and the second plus sige color screen 9, the 2ab color screen 10 in formula are lighted, while passing through 32 contacts
Conducting and in short-term trigger circuit, make sound circuit be triggered, and issue corresponding clear+2ab voice by power amplifier, simultaneously
Quote "=" (a+b)；After SB1, SB2, SB3 are triggered respectively, contact 11,21,31 is respectively turned on, and at this moment " J1 " is connected, and makes to prolong
When oscillator circuit connect, after the long closed contact in circuit is by delay a period of time, starts to shake, whole color screens made to start to dodge
Bright, sound circuit, which releases celebrating Music Exercise work, to be terminated；When pressing reset button 16, all circuits are restored to reset condition, because of electricity
Road is a monostable circuit, and circuit is waited for, and meets next operation.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of acousto-optic interesting interaction complete square formula shows teaching aid, including sound equipment (1), which is characterized in that the sound equipment (1)
Side is provided with billboard (2), and billboard (2) bottom end is connected with color screen (3), and color screen (3) side is provided with desktop
(5), desktop (5) side is provided with cabinet (4), and desktop (5) surface is provided with a2Color screen (6), a2Color screen (6)
Side is provided with the first plus sige color screen (7), and the first plus sige color screen (7) side is provided with b2Color screen (8), the b2Color screen (8)
Side is provided with the second plus sige color screen (9), and the second plus sige color screen (9) side is provided with 2ab color screen (10), and the 2ab is color
Screen (10) side, which is provided with, is equal to number color screen (11), and described number color screen (11) side that is equal to is provided with (a-b)2Color screen (12), institute
State (a-b)2Color screen (12) bottom is provided with a2Button (13), a2Button (13) side is provided with b2Button (14), the b2
Button (14) side is provided with 2ab button (15), and 2ab button (15) side is provided with reset button (16), the cabinet
(4) power supply (17) are internally provided with.
2. a kind of acousto-optic interesting interaction complete square formula according to claim 1 shows teaching aid, which is characterized in that described
a2SB1 in button (13) corresponding circuits.
3. a kind of acousto-optic interesting interaction complete square formula according to claim 1 shows teaching aid, which is characterized in that described
b2SB2 in button (14) corresponding circuits.
4. a kind of acousto-optic interesting interaction complete square formula according to claim 1 shows teaching aid, which is characterized in that described
SB3 in 2ab button (15) corresponding circuits.
5. a kind of acousto-optic interesting interaction complete square formula according to claim 1 shows teaching aid, which is characterized in that described
Power supply (17) and the color screen (3), a2Color screen (6), the first plus sige color screen (7), b2Color screen (8), the second plus sige color screen (9), 2ab
Color screen (10) is equal to number color screen (11), (a-b)2Color screen (12), a2Button (13), b2Button (14), is reset at 2ab button (15)
Button (16) is electrical connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100480.9U CN208521583U (en) | 2018-07-11 | 2018-07-11 | A kind of acousto-optic interesting interaction complete square formula displaying teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100480.9U CN208521583U (en) | 2018-07-11 | 2018-07-11 | A kind of acousto-optic interesting interaction complete square formula displaying teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208521583U true CN208521583U (en) | 2019-02-19 |
Family
ID=65335490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821100480.9U Expired - Fee Related CN208521583U (en) | 2018-07-11 | 2018-07-11 | A kind of acousto-optic interesting interaction complete square formula displaying teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208521583U (en) |
-
2018
- 2018-07-11 CN CN201821100480.9U patent/CN208521583U/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: 20190219 Termination date: 20190711 |