CN201662911U - Acoustic, optical, thermal and touch control circuit demonstration instrument - Google Patents
Acoustic, optical, thermal and touch control circuit demonstration instrument Download PDFInfo
- Publication number
- CN201662911U CN201662911U CN2010200019772U CN201020001977U CN201662911U CN 201662911 U CN201662911 U CN 201662911U CN 2010200019772 U CN2010200019772 U CN 2010200019772U CN 201020001977 U CN201020001977 U CN 201020001977U CN 201662911 U CN201662911 U CN 201662911U
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- China
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- pin
- integrated circuit
- triode
- resistance
- resistor
- Prior art date
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Abstract
The utility model relates to an acoustic, optical, thermal and touch control circuit demonstration instrument, which belongs to the field of teaching demonstration instrumentation. The demonstration instrument is characterized in that a variable resistor and an photosensitive resistor connected in series are connected to two ends of a direct current power source, a fourth pin of a 555 integrated circuit is connected with the photosensitive resistor, a sound pickup and a resistor connected in series are connected to two ends of the direct current power source, the sound pickup is connected with a base of a triode, a metal plate is connected with a base of another triode through another resistor, another variable resistor and a thermo-sensitive resistor connected in series are connected to the two ends of the direct current power source, a second pin of the 555 integrated circuit is connected with the thermo-sensitive resistor and a collector of the triode, and two current meters, a slot, a bulb and a light-emitting diode are disposed at proper positions on the surface of a panel. By adopting the technical scheme, the demonstration instrument has the advantages that on and off of a circuit are acoustically, optically, thermally and touch controlled, which is clear, and accordingly the demonstration instrument not only meets teaching needs, but also arouses students' study interest.
Description
Technical field
The utility model relates to a kind of sound, light, heat, touch control circuit demonstrator, belongs to teaching demonstration instrument field.
Background technology
At present, in the application course teaching of middle school electromagnetics and electronic component, when explanation sound, light, heat, touch control circuit, the needs of imparting knowledge to students are not satisfied in no demonstration instrument demonstration.
Summary of the invention
The purpose of this utility model provides a kind of sound, light, heat, touch control circuit demonstrator, can demonstrate the break-make with sound, light, heat and touch control circuit.
The purpose of this utility model is achieved in that circuit is by resistance, electric capacity, triode, photoresistance, thermistor, acoustic pickup, 555 integrated circuit, relay and reometer are formed, 555 integrated circuit, 8 pin connect the positive pole of power supply, 555 integrated circuit, 1 pin connects the negative pole of power supply, be connected on the direct supply two ends after resistance and the capacitances in series, after linking to each other with 7 pin, 555 integrated circuit, 6 pin link to each other with resistance, it is characterized in that: be connected on the direct supply two ends after variable resistor and the photoresistance series connection, 555 integrated circuit, 4 pin link to each other with photoresistance, be connected on the direct supply two ends behind acoustic pickup and the resistance polyphone, acoustic pickup links to each other with transistor base, sheet metal links to each other with transistor base by resistance, be connected on the direct supply two ends after variable resistor and the thermistor series connection, 555 integrated circuit, 2 pin and thermistor, transistor collector links to each other, end after diode and the relay parallel connection connects 555 integrated circuit, 3 pin by light emitting diode, power supply, switch and reometer series connection, reometer, be connected on the direct supply two ends after relay normally open contact and the bulb series connection, base links to each other with panel, and panel surface is equipped with two reometers, 7 jacks, bulb and light emitting diode.To weld in the circuit board except that the circuit original paper two reometers, light emitting diode, bulb, photoresistance, acoustic pickup, thermistor, sheet metal and the switches, and place base.
Because adopt technique scheme, advantage and good effect that the utility model had are: with the break-make of sound, light, heat and touch control circuit, come into plain view, both satisfied the needs of teaching, excited students'interest in learning again.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is the one-piece construction synoptic diagram of the utility model embodiment.
R among the figure
1. resistance R
2. photoresistance R
3. resistance R
4. resistance R
5. resistance R
6. resistance R
7. variable resistor R
8. thermistor R
9. resistance G
1. triode G
2. triode G
3. diode G
4. light emitting diode C
1. capacitor C
2. electric capacity B. acoustic pickup Y. sheet metal is the relay normally open contact K of integrated circuit K. relay K-1. I.555
1. switch E. power supply A
1. reometer A
2. reometer L. bulb 1. jacks 2. panels 3. bases
Embodiment
In Fig. 1,555 integrated circuit (I), 8 pin connect the positive pole of power supply, and 555 integrated circuit (I), 1 pin connects the negative pole of power supply, resistance R
9And capacitor C
2Be connected on the direct supply two ends after the series connection, 555 integrated circuit (I), 6 pin, the continuous back of 7 pin and resistance R
9Link to each other, it is characterized in that: variable resistor R
1With photoresistance R
2Be connected on the direct supply two ends after the series connection, 555 integrated circuit (I), 4 pin and photoresistance R
2Link to each other acoustic pickup (B) and resistance R
3Be connected on the direct supply two ends behind the polyphone, acoustic pickup (B) and triode G
1Base stage links to each other, and sheet metal (Y) passes through resistance R
5With triode G
2Base stage links to each other, variable resistor R
7With thermistor R
8Be connected on the direct supply two ends after the series connection, 555 integrated circuit (I), 2 pin and thermistor R
8, triode G
2Collector links to each other, diode G
3And the end after relay (K) parallel connection is by light emitting diode G
4Connect 555 integrated circuit (I), 3 pin, power supply (E), switch (K
1) and reometer A
1Series connection, reometer A
2, be connected on the direct supply two ends after the series connection of relay normally open contact (K-1) and bulb (L), other circuit original paper is linked in sequence by circuit.
In Fig. 2, panel (2) links to each other with base (3), and panel (2) surface is equipped with reometer A
1, reometer A
2, 7 jack (1), bulb (L) and light emitting diode G
4, the jack distance is can insert photoresistance R
2, acoustic pickup (B), thermistor R
8Be as the criterion, will be except that reometer A
1, reometer A
2, light emitting diode G
4, bulb (L), photoresistance R
2, acoustic pickup (B), thermistor R
8, sheet metal (Y) and switch (K
1) outer circuit original paper welding in the circuit board, and place base (3).
Claims (1)
1. a sound, light, heat, touch control circuit demonstrator, circuit is made up of resistance, electric capacity, triode, photoresistance, thermistor, acoustic pickup, 555 integrated circuit, relay and reometer, 555 integrated circuit (I), 8 pin connect the positive pole of power supply, 555 integrated circuit (I), 1 pin connects the negative pole of power supply, resistance R
9And capacitor C
2Be connected on the direct supply two ends after the series connection, 555 integrated circuit (I), 6 pin, the continuous back of 7 pin and resistance R
9Link to each other, it is characterized in that: variable resistor R
1With photoresistance R
2Be connected on the direct supply two ends after the series connection, 555 integrated circuit (I), 4 pin and photoresistance R
2Link to each other acoustic pickup (B) and resistance R
3Be connected on the direct supply two ends behind the polyphone, acoustic pickup (B) and triode G
1Base stage links to each other, and sheet metal (Y) passes through resistance R
5With triode G
2Base stage links to each other, variable resistor R
7With thermistor R
8Be connected on the direct supply two ends after the series connection, 555 integrated circuit (I), 2 pin and thermistor R
8, triode G
2Collector links to each other, diode G
3And the end after relay (K) parallel connection is by light emitting diode G
4Connect 555 integrated circuit (I), 3 pin, power supply (E), switch (K
1) and reometer A
1Series connection, reometer A
2, be connected on the direct supply two ends after the series connection of relay normally open contact (K-1) and bulb (L), panel (2) links to each other with base (3), panel (2) surface is equipped with reometer A
1, reometer A
2, 7 jack (1), bulb (L) and light emitting diode G
4
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200019772U CN201662911U (en) | 2010-01-08 | 2010-01-08 | Acoustic, optical, thermal and touch control circuit demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200019772U CN201662911U (en) | 2010-01-08 | 2010-01-08 | Acoustic, optical, thermal and touch control circuit demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201662911U true CN201662911U (en) | 2010-12-01 |
Family
ID=43233329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200019772U Expired - Fee Related CN201662911U (en) | 2010-01-08 | 2010-01-08 | Acoustic, optical, thermal and touch control circuit demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201662911U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509499A (en) * | 2011-11-01 | 2012-06-20 | 盐城师范学院 | Automatic control circuit characteristic demonstration instrument for laser device laser |
| CN105590984A (en) * | 2014-10-22 | 2016-05-18 | 南京化工职业技术学院 | Light-operated thermal resistor |
| CN105655072A (en) * | 2014-11-11 | 2016-06-08 | 南京化工职业技术学院 | Light control thermosensitive resistor |
-
2010
- 2010-01-08 CN CN2010200019772U patent/CN201662911U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509499A (en) * | 2011-11-01 | 2012-06-20 | 盐城师范学院 | Automatic control circuit characteristic demonstration instrument for laser device laser |
| CN105590984A (en) * | 2014-10-22 | 2016-05-18 | 南京化工职业技术学院 | Light-operated thermal resistor |
| CN105655072A (en) * | 2014-11-11 | 2016-06-08 | 南京化工职业技术学院 | Light control thermosensitive resistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20120108 |