CN207009072U - A kind of electronic organ of teaching - Google Patents
A kind of electronic organ of teaching Download PDFInfo
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- CN207009072U CN207009072U CN201720964580.5U CN201720964580U CN207009072U CN 207009072 U CN207009072 U CN 207009072U CN 201720964580 U CN201720964580 U CN 201720964580U CN 207009072 U CN207009072 U CN 207009072U
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Abstract
A kind of electronic organ of teaching is the utility model is related to, it includes qin frame, bottom plate, circuit board and key；Qin frame bottom is provided with bottom plate, and circuit board is provided with bottom plate；Key is arranged on qin frame top, and is connected with circuit board；Qin frame includes the first side plate, the second side plate, intermediate support plate, top plate and backboard；Connected between in the middle part of first side plate and in the middle part of the second side plate by the first screw mandrel, middle part is provided with intermediate support plate between the first side plate and the second side plate；Top is provided with top plate between first side plate and the second side plate；Rear portion is provided with backboard between first side plate and the second side plate, and the second screw mandrel is provided with the middle part of the first side plate and the second side plate rear, and the second screw mandrel is located on the outside of backboard.The utility model simplifies the circuit structure of existing electronic organ, so that its overall structure accordingly becomes relatively simple, small volume, so as to be suitable as a kind of formative education teaching aid, for teaching demonstration and student's manual fabrication.
Description
Technical field
A kind of field of Education and teaching is the utility model is related to, especially with regard to a kind of electronic organ of teaching.
Background technology
With the development of the society, people increasingly pay attention to the formative education of preschool child, in formative education teaching, often
Need, by a kind of teaching aid simple in construction, being easy to making, to allow student intuitively to recognize the content of courses, and it is dynamic by increasing
The content of hand-made work deepens their memories to the content of courses.
Electronic organ in the market be primarily present form be for learn play musical instrument, rather than for learn with
The teaching aid of the related principle of sound, is not appropriate for as formative education teaching aid.Moreover, in general electronic organ volume compared with
Greatly, it has not been convenient to transport, powered more using 220V.
The content of the invention
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of electronic organ of teaching, its is simple in construction, makes
It is convenient, teaching aid can be used as suitable for formative education teaching.
To achieve the above object, the utility model takes following technical scheme：A kind of electronic organ of teaching, its feature exist
In：It includes qin frame, bottom plate, circuit board and key；The qin frame bottom is provided with the bottom plate, is set on the bottom plate
State circuit board；The key is arranged on the qin frame top, and is connected with the circuit board；The qin frame include the first side plate,
Second side plate, intermediate support plate, top plate and backboard；Pass through first between in the middle part of first side plate and in the middle part of second side plate
Screw mandrel connects, and middle part is provided with the intermediate support plate between first side plate and the second side plate；First side plate and
Top is provided with the top plate between two side plates；Rear portion is provided with the backboard between first side plate and the second side plate, and
The second screw mandrel is provided with the middle part of first side plate and the second side plate rear, second screw mandrel is located on the outside of the backboard.
The first installation through-hole is provided with the middle part of first side plate and the second side plate, positioned at first side plate and
Two side plate forward lower parts are both provided with the second installation through-hole；First side plate and the second side plate rear are both provided with two installations
Groove, is provided with round-meshed first projection between two mounting groove, and second screw mandrel is convex by described first
Circular hole on rising is located between first side plate and second side plate.
The power supply and loudspeaker being connected with the circuit board are provided with the intermediate support plate.
The intermediate support plate both ends are provided with the second projection coordinated with first installation through-hole, in described
Between be arranged at intervals with some long striped grooves on front side of supporting plate；Square hole is additionally provided with the right side of the intermediate support plate, it is close
The long striped groove of the square hole connects with the square hole, and the connecting line of the power supply and loudspeaker passes through the square hole and institute
State circuit board connection.
The quantity of the long striped groove and the quantity of the key are in be correspondingly arranged.
Be provided with the circuit board timer, first resistor to the 11st resistance, the first electric capacity to the 3rd electric capacity and
First keystroke interface to the 9th keystroke interface；The power pins of the timer are connected with the power supply, described in electric discharge pin warp
Tenth resistance is connected to the power supply；Draw after thresholding pin and triggering pins in parallel through the 3rd capacity earth, control voltage
Pin is grounded after being connected with second electric capacity, grounding pin ground connection；Reset pin is connected with the power supply；Output pin successively with
After first electric capacity and the 11st resistant series, the loudspeaker is connected to；The first resistor first end is through described first
Keystroke interface is connected to the thresholding pin, and the end of first resistor second is successively through the second resistance, 3rd resistor, the 4th
Resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance and the 9th resistance are connected with the electric discharge pin；It is two neighboring
All in parallel with a keystroke interface first end between resistance, all ends of keystroke interface second are connected to the thresholding pin.
Each key all includes key main body and key cap；Key cap is provided with the key main body.
It is provided with strip projection at the top of the key main body, described key main body one end is provided with installation circular hole, and the 3rd
Screw mandrel sequentially passes through each installation circular hole, and the 3rd screw mandrel both ends are located in first side plate and the second side plate respectively
On；The key main body other end bottom is provided with the connecting portion being connected with the keystroke interface；Each connecting portion is worn
After crossing the long striped groove on the intermediate support plate, in the keystroke interface.
It is provided with the key cap and the raised strip hole matched of the strip.
The qin frame and key are made of acrylic board material.
For the utility model due to taking above technical scheme, it has advantages below：1st, the utility model simplifies existing
The circuit structure of electronic organ, so that its overall structure accordingly becomes relatively simple, small volume, so as to be suitable as one kind
Formative education teaching aid, for teaching demonstration and student's manual fabrication.2nd, the utility model, which uses, is powered or used using USB5V
The three battery 4.5V power supplies of section 5, can be effectively ensured personal safety.3rd, the utility model is easily understood, and can be used as Students ' Learning
The teaching material of electronic circuit, convenient displaying carry.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is Fig. 1 partial sectional view；
Fig. 3 is assembling schematic diagram of the present utility model；
Fig. 4 is circuit theory schematic diagram of the present utility model.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.Wherein, term " first ", " second "
Etc. being only used for describing purpose, and it is not intended that instruction or implying relative importance and erection sequence.
As shown in Figure 1 and Figure 2, the utility model provides a kind of electronic organ of teaching, and it includes qin frame 1, bottom plate 2, circuit
Plate 3 and key 4.The bottom of qin frame 1 is provided with bottom plate 2, and circuit board 3 is provided with bottom plate 2；Key 4 is arranged on the top of qin frame 1, and
It is connected with circuit board 3.
In a preferred embodiment, as shown in figure 3, qin frame 1 includes the first side plate 5, the second side plate 6, intermediate supports
Plate 7, top plate 8 and backboard 9.Connected between the middle part of first side plate 5 and the middle part of the second side plate 6 by the first screw mandrel, the He of the first side plate 5
Middle part is provided with intermediate support plate 7 between second side plate 6；Top is provided with top plate 8 between first side plate 5 and the second side plate 6；The
Rear portion is provided with backboard 9 between the side plate 6 of side plate 5 and second, and is provided with the middle part of the first side plate 5 and the rear of the second side plate 6
Second screw mandrel, the second screw mandrel are located at the outside of backboard 9.
In above-described embodiment, the middle part of the first side plate 5 and the second side plate 6 is provided with the first installation through-hole 10, positioned at
The forward lower part of 5 and second side plate of side plate 6 is both provided with the second installation through-hole 11.First side plate 5 and the rear of the second side plate 6 are all set
Two mounting grooves 12 are equipped with, round-meshed first projection 13 is provided between two mounting grooves 12, the second screw mandrel passes through
Circular hole in one projection 13 is located between the first side plate 5 and the second side plate 6.
In the various embodiments described above, power supply BT and loudspeaker LS are provided with intermediate support plate 7, power supply BT and loudspeaker LS are
It is connected with circuit board 3.The both ends of intermediate support plate 7 are provided with the second projection coordinated with the first installation through-hole 10, positioned at centre
The front side of supporting plate 7 is arranged at intervals with some long striped grooves 14, and the quantity of the long striped groove 14 is with the quantity of key 4 in corresponding
Set, preferably 9 in the present embodiment.Square hole 15 is additionally provided with positioned at the right side of intermediate support plate 7, close to the length of the square hole 15
Strip groove 14 is connected with square hole 15, and power supply BT and loudspeaker LS connecting line are connected through square hole 15 with circuit board 3.
Wherein, power supply BT outer cups are provided with power pack, and power supply BT can use USB 5V to power or using three No. 5 batteries of section
4.5V power supply.
In a preferred embodiment, as shown in figure 4, being provided with timer U1, first resistor R1 on circuit board 3 to
11 resistance R11, the first electric capacity C1 to the 3rd electric capacity C3 and the first keystroke interface S1 to the 9th keystroke interface S9.Timer U1
Power pins VCC be connected with power supply BT, electric discharge pin DIS be connected to power supply BT through the tenth resistance R10；Thresholding pin THR and
It is grounded after triggering pin TIGGER parallel connections through the 3rd electric capacity C3, control voltage pin CV is grounded after being connected with the second electric capacity C2, connect
Ground pin GND is grounded；Reset pin RESET is connected with power supply BT；Output pin OUTPUT successively with the first electric capacity C1 and the tenth
After one resistance R11 series connection, loudspeaker LS is connected to.First resistor R1 first ends are connected to thresholding pin through the first keystroke interface S1
THR, first resistor R1 second end are successively through second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th electricity
Resistance R6, the 7th resistance R7, the 8th resistance R8 and the 9th resistance R9 are connected with electric discharge pin DIS.Second keystroke interface S2 first ends
It is connected between first resistor R1 and second resistance R2, the 3rd keystroke interface S3 first ends are connected to the electricity of second resistance R2 and the 3rd
Between hindering R3, the like, the 9th keystroke interface S9 first ends are connected between the 8th resistance R8 and the 9th resistance R9, i.e., adjacent
It is all in parallel with a keystroke interface first end between two resistance；All ends of keystroke interface second are connected to thresholding pin THR.Make
Used time, when the first keystroke interface S1 is closed, charged using power supply BT by resistance R1-R10 to the 3rd electric capacity C3, and the 3rd
Electric capacity C3 is connected by resistance R1-R9 to discharge to discharge end, so as to produce the vibration that frequency is 363hz.When the second keystroke interface
When S2 is closed, charged using power supply BT by resistance R2-R10 to the 3rd electric capacity C3, and the 3rd electric capacity C3 passes through resistance R2-R9
Connect and discharged to discharge end, so as to produce the vibration that frequency is 417hz, keystroke interface S3-S9 closures can also produce by that analogy
The vibration of raw specific frequency, and then outputting oscillation signal drive the speaker LS sounding；And by adjusting resistance size, change is raised one's voice
Device LS audible frequency, it is set to send different tones.
In above-described embodiment, timer U1 uses NE555 chips.
In a preferred embodiment, as shown in figure 3, each key 4 all includes key main body 16 and key cap 17.
The top of key main body 16 is provided with strip projection, and the one end of key main body 16 is provided with installation circular hole, and the 3rd screw mandrel sequentially passes through
The installation circular hole of each key 4, and the 3rd screw mandrel both ends are located on the first side plate 5 and the second side plate 6 respectively.Key main body 16 is another
One end bottom is provided with the connecting portion being connected with keystroke interface；The connecting portion of each key 4 both passes through the length on intermediate support plate 7
After strip groove 14, in keystroke interface.The strip hole matched with strip projection is provided with key cap 17, is passed through
Key cap 17 is fixedly installed on the top of key main body 16 by strip hole.
In the various embodiments described above, qin frame 1 and key 4 are made of acrylic board material.
In summary, as shown in figure 3, the utility model is in assembling, its detailed process is as follows：
1) circuit board 3 with sticking double faced adhesive tape to bottom plate 2；
2) both ends of bottom plate 2 are inserted in the first side plate 5 and the second installation through-hole 11 of the lower section of the second side plate 6 respectively；
3) second projection at the both ends of intermediate support plate 7 is inserted respectively into the first of the first side plate 5 and the middle part of the second side plate 6
In installation through-hole 10, and the long striped groove 14 on intermediate support plate 7 is located at lower right；
4) the first screw mandrel is each passed through the middle part of the first side plate 5 and the middle part of the second side plate 6, the first screw mandrel both ends are twisted with nut
Tightly；
5) electric wire of power supply is connected from bottom by the square hole 15 on intermediate support plate 7, and with circuit board 3；
6) loudspeaker LS electric wire is connected from bottom by the square hole 15 on intermediate support plate 7, and with circuit board 3；
7) both ends of intermediate support plate 7 are fastened with the first side plate 5 and the second side plate 6 respectively；
8) key main body 16 is passed through into the long striped groove 14 on intermediate support plate 7 respectively；
9) the 3rd screw mandrel is sequentially passed through to the installation circular hole in key main body 16, and the both ends of screw mandrel are tightened with nut；
10) key cap 17 is installed in key main body 16 with double faced adhesive tape；
11) the 3rd screw mandrel both ends are each passed through the first side plate 5 and the second side plate 6, and tighten the two of the 3rd screw mandrel with nut
End；
12) top plate 8 is inserted into the first side plate 5 and the mounting hole at the top of the second side plate 6；
13) electronic organ is spun upside down；The power pack for being loaded into battery is glued on intermediate support plate 7 with two-sided；
14) loudspeaker LS is glued on intermediate support plate 7 with two-sided；
15) turn on the power, by key 4, you can send sound.
The various embodiments described above are merely to illustrate the utility model, wherein the structure of each part, connected mode and manufacture craft
Deng can all be varied from, every equivalents carried out on the basis of technical solutions of the utility model and improvement,
It should not exclude outside the scope of protection of the utility model.
Claims (10)
- A kind of 1. electronic organ of teaching, it is characterised in that：It includes qin frame, bottom plate, circuit board and key；The qin frame bottom The bottom plate is provided with, the circuit board is provided with the bottom plate；The key is arranged on the qin frame top, and with it is described Circuit board connects；The qin frame includes the first side plate, the second side plate, intermediate support plate, top plate and backboard；The first side plate middle part and institute Connected between stating in the middle part of the second side plate by the first screw mandrel, between first side plate and the second side plate middle part be provided with it is described in Between supporting plate；Top is provided with the top plate between first side plate and the second side plate；First side plate and the second side plate Between rear portion be provided with the backboard, and be provided with the second screw mandrel in the middle part of first side plate and the second side plate rear, it is described Second screw mandrel is located on the outside of the backboard.
- A kind of 2. electronic organ of teaching as claimed in claim 1, it is characterised in that：First side plate and the second side plate Middle part is provided with the first installation through-hole, and being both provided with the second installation positioned at first side plate and the second side plate forward lower part leads to Hole；First side plate and the second side plate rear are both provided with two mounting grooves, and a band is provided between two mounting groove Round-meshed first is raised, second screw mandrel by the circular hole in first projection be located in first side plate with it is described Between second side plate.
- A kind of 3. electronic organ of teaching as claimed in claim 2, it is characterised in that：Be provided with the intermediate support plate with The power supply and loudspeaker of the circuit board connection.
- A kind of 4. electronic organ of teaching as claimed in claim 3, it is characterised in that：The intermediate support plate both ends are set There is the second projection coordinated with first installation through-hole, some strips are arranged at intervals with front side of the intermediate support plate Groove；Square hole is additionally provided with the right side of the intermediate support plate, close to the long striped groove and the square hole of the square hole Connection, the connecting line of the power supply and loudspeaker are connected through the square hole with the circuit board.
- A kind of 5. electronic organ of teaching as claimed in claim 4, it is characterised in that：The quantity of the long striped groove and institute The quantity for stating key is in be correspondingly arranged.
- A kind of 6. electronic organ of teaching as described in any one of claim 3 to 5, it is characterised in that：Set on the circuit board It is equipped with timer, first resistor to the 11st resistance, the first electric capacity to the 3rd electric capacity and the first keystroke interface to the 9th button Interface；The power pins of the timer are connected with the power supply, and electric discharge pin is connected to the power supply through the tenth resistance； Connect and be followed by with second electric capacity through the 3rd capacity earth, control voltage pin after thresholding pin and triggering pins in parallel Ground, grounding pin ground connection；Reset pin is connected with the power supply；Output pin successively with first electric capacity and the 11st resistance After series connection, the loudspeaker is connected to；The first resistor first end is connected to the thresholding through first keystroke interface and drawn Pin, the end of first resistor second successively through the second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, 7th resistance, the 8th resistance and the 9th resistance are connected with the electric discharge pin；Between two neighboring resistance all with a keystroke interface First end is in parallel, and all ends of keystroke interface second are connected to the thresholding pin.
- A kind of 7. electronic organ of teaching as claimed in claim 6, it is characterised in that：Each key all includes button master Body and key cap；Key cap is provided with the key main body.
- A kind of 8. electronic organ of teaching as claimed in claim 7, it is characterised in that：Length is provided with the top of the key main body Strip projected parts, described key main body one end are provided with installation circular hole, and the 3rd screw mandrel sequentially passes through each installation circular hole, and described 3rd screw mandrel both ends are located on first side plate and the second side plate respectively；The key main body other end bottom be provided with The connecting portion of the keystroke interface connection；After each connecting portion both passes through the long striped groove on the intermediate support plate, In the keystroke interface.
- A kind of 9. electronic organ of teaching as claimed in claim 8, it is characterised in that：It is provided with the key cap and institute State the strip hole of the raised matching of strip.
- A kind of 10. electronic organ of teaching as described in Claims 1 to 5,7~9 any one, it is characterised in that：The qin frame It is made with key of acrylic board material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720964580.5U CN207009072U (en) | 2017-08-03 | 2017-08-03 | A kind of electronic organ of teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720964580.5U CN207009072U (en) | 2017-08-03 | 2017-08-03 | A kind of electronic organ of teaching |
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| Publication Number | Publication Date |
|---|---|
| CN207009072U true CN207009072U (en) | 2018-02-13 |
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ID=61458296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720964580.5U Active CN207009072U (en) | 2017-08-03 | 2017-08-03 | A kind of electronic organ of teaching |
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| Country | Link |
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| CN (1) | CN207009072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110910730A (en) * | 2019-12-19 | 2020-03-24 | 北京中诚博睿教育科技有限公司 | Electronic music synthesizer intelligence-developing teaching aid for children |
| CN114027615A (en) * | 2021-11-15 | 2022-02-11 | 信阳师范学院 | Music book support is used in music class |
-
2017
- 2017-08-03 CN CN201720964580.5U patent/CN207009072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110910730A (en) * | 2019-12-19 | 2020-03-24 | 北京中诚博睿教育科技有限公司 | Electronic music synthesizer intelligence-developing teaching aid for children |
| CN114027615A (en) * | 2021-11-15 | 2022-02-11 | 信阳师范学院 | Music book support is used in music class |
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Address after: 102200 Chuangke Plaza C-01-0087, 338 Huilong Guandong Street, Changping District, Beijing Patentee after: Beijing Martian Vision Technology Co., Ltd Address before: 102208, Beijing, Huilongguan, Changping District East Street, Tencent space A block 418 Patentee before: Mars vision (Beijing) Education Technology Co., Ltd. |