CN105206149A - Flash lamp circuit for 555 integrated circuit teaching - Google Patents
Flash lamp circuit for 555 integrated circuit teaching Download PDFInfo
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- CN105206149A CN105206149A CN201510705317.XA CN201510705317A CN105206149A CN 105206149 A CN105206149 A CN 105206149A CN 201510705317 A CN201510705317 A CN 201510705317A CN 105206149 A CN105206149 A CN 105206149A
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- integrated circuit
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- emitting diode
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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
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/183—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits
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- General Physics & Mathematics (AREA)
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- Mathematical Optimization (AREA)
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- Pure & Applied Mathematics (AREA)
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- Business, Economics & Management (AREA)
- Educational Technology (AREA)
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- Instructional Devices (AREA)
Abstract
The invention provides a flash lamp circuit for 555 integrated circuit teaching. The circuit is formed into an oscillating circuit by a 555 integrated circuit; light emitting diodes (D1 and D2) form a flash circuit; the output end of the 555 integrated circuit is loaded between the two light emitting diodes (D1 and D2); when the 555 integrated circuit outputs low level, the light emitting diode D1 is lightened, and the light emitting diode D2 is quenched, and when the 555 integrated circuit outputs high level, the light emitting diode D1 is quenched, and the light emitting diode D2 is lightened, so that the alternate flash effect is formed. The circuit can be used for demonstrating the output features of the oscillating circuit formed by the 555 integrated circuit, so that the original boring 555 integrated circuit verification experiment becomes relatively interesting, the interests of students for experiment participation are improved, the experiment teaching quality is improved, and the students can better understand and master application of the 555 integrated circuit.
Description
Technical field
The present invention relates to a kind of flash lamp circuit of 555 IC design educations, belong to application electric technology field.
Background technology
In Electronic Technology Specialty course teaching, an independently oscillatory circuit experiment is done about the teaching method that 555 integrated circuit are common, and experimental result need be observed with oscillograph, because its single oscillation functions circuit lacks interesting, easily cause students ' interest of study not enough, affect teaching efficiency.Therefore, be necessary to design and there is teaching consuming energy road that is interesting and sight, can the flash lamp circuit of ocular demonstration by 555 integrated circuit (IC) design are become, 555 integrated circuit verification experiments originally dry as dust are made to become more interesting, improve the interest of students' participation experiment, thus Promoting Experimental Teaching quality, allow students can understand and grasp the application of 555 integrated circuit better.
Summary of the invention
The object of this invention is to provide a kind of flash lamp circuit of 555 IC design educations, for demonstrating the oscillatory circuit of 555 integrated circuit compositions.
The concrete technical scheme that the present invention takes is as follows:
A kind of flash lamp circuit of 555 IC design educations, it is characterized in that: this circuit comprises 555 integrated circuit U1, resistance R1, R2 and R3, electric capacity C1 and C2, light emitting diode D1 and D2, switch S 1, wherein point two-way after+5V power series switch S 1, one tunnel connects 8 pin of 555 integrated circuit U1, the positive pole of connecting luminous diode D1 after the series resistor R1 of another road, the positive pole of the negative pole connecting luminous diode D2 of light emitting diode D1, ground connection after the negative pole series resistor R2 of light emitting diode D2; 4 pin of 555 integrated circuit U1 are connected with 8 pin, ground connection after 5 pin serial capacitance C1, and 2 pin are connected with 6 pin, 1 pin ground connection, 6 pin connect the positive pole of electric capacity C2, are connected with resistance R3 between 3 pin and 6 pin, 3 pin are also connected to the positive pole of light emitting diode D2, the minus earth of electric capacity C2.
Beneficial effect of the present invention is: the output terminal of the oscillatory circuit that the flash lamp circuit of this 555 IC design educations be made up of 555 integrated circuit controls the alternately luminescence of two light emitting diodes, for demonstrating the output characteristic of the oscillatory circuit be made up of 555 integrated circuit, 555 integrated circuit verification experiments originally dry as dust are made to become more interesting, improve the interest of students' participation experiment, thus Promoting Experimental Teaching quality, allow students can understand and grasp the application of 555 integrated circuit better.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the flash lamp circuit of these 555 IC design educations.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1, the flash lamp circuit of these 555 IC design educations comprises 555 integrated circuit U1, resistance R1, R2 and R3, electric capacity C1 and C2, light emitting diode D1 and D2, switch S 1, wherein point two-way after+5V power series switch S 1, one tunnel connects 8 pin of 555 integrated circuit U1, the positive pole of connecting luminous diode D1 after the series resistor R1 of another road, the positive pole of the negative pole connecting luminous diode D2 of light emitting diode D1, ground connection after the negative pole series resistor R2 of light emitting diode D2; 4 pin of 555 integrated circuit U1 are connected with 8 pin, ground connection after 5 pin serial capacitance C1, and 2 pin are connected with 6 pin, 1 pin ground connection, 6 pin connect the positive pole of electric capacity C2, are connected with resistance R3 between 3 pin and 6 pin, 3 pin are also connected to the positive pole of light emitting diode D2, the minus earth of electric capacity C2.
This circuit forms a direct feedback-type oscillatory circuit by 555 integrated circuit U1, resistance R3, electric capacity C1 and C2,3 pin of 555 integrated circuit U1 export the wave of oscillation of low and high level composition, resistance R1, R2 and light emitting diode D1, D2 then form flasher circuit, and the 3 pin output terminals of 555 integrated circuit U1 are carried between two light emitting diode D1, D2.When the 3 pin output low level of 555 integrated circuit U1, light emitting diode D1 lights, and light emitting diode D2 extinguishes, and when 3 pin of 555 integrated circuit U1 export high level, light emitting diode D1 extinguishes, and light emitting diode D2 lights, and forms the effect of alternating flashes thus.
Claims (1)
1. the flash lamp circuit of an IC design education, it is characterized in that: this circuit comprises 555 integrated circuit U1, resistance R1, R2 and R3, electric capacity C1 and C2, light emitting diode D1 and D2, switch S 1, wherein point two-way after+5V power series switch S 1, one tunnel connects 8 pin of 555 integrated circuit U1, the positive pole of connecting luminous diode D1 after the series resistor R1 of another road, the positive pole of the negative pole connecting luminous diode D2 of light emitting diode D1, ground connection after the negative pole series resistor R2 of light emitting diode D2; 4 pin of 555 integrated circuit U1 are connected with 8 pin, ground connection after 5 pin serial capacitance C1, and 2 pin are connected with 6 pin, 1 pin ground connection, 6 pin connect the positive pole of electric capacity C2, are connected with resistance R3 between 3 pin and 6 pin, 3 pin are also connected to the positive pole of light emitting diode D2, the minus earth of electric capacity C2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510705317.XA CN105206149A (en) | 2015-10-27 | 2015-10-27 | Flash lamp circuit for 555 integrated circuit teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510705317.XA CN105206149A (en) | 2015-10-27 | 2015-10-27 | Flash lamp circuit for 555 integrated circuit teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105206149A true CN105206149A (en) | 2015-12-30 |
Family
ID=54953788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510705317.XA Pending CN105206149A (en) | 2015-10-27 | 2015-10-27 | Flash lamp circuit for 555 integrated circuit teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105206149A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108269471A (en) * | 2018-03-28 | 2018-07-10 | 广西职业技术学院 | Square-wave oscillator illustrative circuitry |
| CN108399844A (en) * | 2018-04-28 | 2018-08-14 | 广西职业技术学院 | A kind of teaching demonstration device of temperature control LED light flicker frequency |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2304131A1 (en) * | 1975-03-10 | 1976-10-08 | Mehlitz Dieter | Teaching machine for digital signal production - has flexible arrangement for integrating circuit elements within a test box assembly |
| CN103150950A (en) * | 2013-01-27 | 2013-06-12 | 白洪义 | LC electromagnetic oscillation demonstration instrument |
| CN204117458U (en) * | 2014-11-10 | 2015-01-21 | 广西职业技术学院 | The break alarm circuit of 555 IC design educations |
| CN204215631U (en) * | 2014-07-30 | 2015-03-18 | 佛山博格达电子科技有限公司 | PCB instant-plugging electronic module experimental provision |
| CN205122049U (en) * | 2015-10-27 | 2016-03-30 | 广西职业技术学院 | Flash light circuit of 555 integrated circuit teaching usefulness |
-
2015
- 2015-10-27 CN CN201510705317.XA patent/CN105206149A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2304131A1 (en) * | 1975-03-10 | 1976-10-08 | Mehlitz Dieter | Teaching machine for digital signal production - has flexible arrangement for integrating circuit elements within a test box assembly |
| CN103150950A (en) * | 2013-01-27 | 2013-06-12 | 白洪义 | LC electromagnetic oscillation demonstration instrument |
| CN204215631U (en) * | 2014-07-30 | 2015-03-18 | 佛山博格达电子科技有限公司 | PCB instant-plugging electronic module experimental provision |
| CN204117458U (en) * | 2014-11-10 | 2015-01-21 | 广西职业技术学院 | The break alarm circuit of 555 IC design educations |
| CN205122049U (en) * | 2015-10-27 | 2016-03-30 | 广西职业技术学院 | Flash light circuit of 555 integrated circuit teaching usefulness |
Non-Patent Citations (1)
| Title |
|---|
| MEIMEI479: "基于555定时器闪光电路设计与制作", 《百度文库》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108269471A (en) * | 2018-03-28 | 2018-07-10 | 广西职业技术学院 | Square-wave oscillator illustrative circuitry |
| CN108269471B (en) * | 2018-03-28 | 2023-04-14 | 广西职业技术学院 | Square wave oscillator demonstration circuit |
| CN108399844A (en) * | 2018-04-28 | 2018-08-14 | 广西职业技术学院 | A kind of teaching demonstration device of temperature control LED light flicker frequency |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151230 |