CN105118362A - Demonstration instrument for multivibrator mode of 555 time-base circuit - Google Patents

Demonstration instrument for multivibrator mode of 555 time-base circuit Download PDF

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Publication number
CN105118362A
CN105118362A CN201510603394.4A CN201510603394A CN105118362A CN 105118362 A CN105118362 A CN 105118362A CN 201510603394 A CN201510603394 A CN 201510603394A CN 105118362 A CN105118362 A CN 105118362A
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China
Prior art keywords
resistance
integrated package
pin
light emitting
capacitor
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Pending
Application number
CN201510603394.4A
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Chinese (zh)
Inventor
王健
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Yancheng Institute of Industry Technology
Yancheng Vocational Institute of Industry Technology
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Yancheng Vocational Institute of Industry Technology
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Priority to CN201510603394.4A priority Critical patent/CN105118362A/en
Publication of CN105118362A publication Critical patent/CN105118362A/en
Pending legal-status Critical Current

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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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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Educational Administration (AREA)
  • Computational Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Led Devices (AREA)

Abstract

The invention relates to a demonstration instrument for a multivibrator mode of a 555 time-base circuit, and belongs to the electronic technology field of teaching instruments. A circuit is formed by a DC power source E, a switch S, a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2, an integrated block I, a resistor R4, a light emitting diode D1, a resistor R5, a light emitting diode D2, a DC motor M, and an oscilloscope B. Flashing of the light emitting diode D1 and the light emitting diode D2 by turns, running and stopping of the DC motor M, and waveforms of the oscilloscope B are used for demonstrating a multivibrator mode of a 555 time-base circuit. The advantages and beneficial effects are that the demonstration instrument has a simple structure, is visual and accurate, is convenient to operate, and has a convenient demonstration function.

Description

555 time base circuit multivibrator pattern demonstrators
Technical field
The present invention relates to a kind of 555 time base circuit multivibrator pattern demonstrators, belong to Technical Teaching instrument field.
Background technology
At present, in Technical Teaching, not about the multivibrator pattern demonstration instrument of 555 time base circuits, student can not the multivibrator pattern of profound understanding 555 time base circuit, and this demonstration instrument can demonstrate the multivibrator pattern of 555 time base circuits.
Summary of the invention
The object of this invention is to provide a kind of 555 time base circuit multivibrator pattern demonstrators, the multivibrator pattern of 555 time base circuits can be demonstrated.
The object of the present invention is achieved like this: circuit is by direct supply E, switch S, resistance R 1, resistance R 2, resistance R 3, capacitor C 1, capacitor C 2, integrated package I, resistance R 4, light emitting diode D 1, resistance R 5, light emitting diode D 2, direct current generator M, oscillograph B form.It is characterized in that: the positive pole of direct supply E is by switch S and resistance R 1one end be connected, resistance R 1the other end simultaneously connecting resistance R 2one end, 8 pin of integrated package I, 4 pin of integrated package I and resistance R 4one end, resistance R 2the other end simultaneously connecting resistance R 3one end, integrated package I 7 pin, resistance R 3the other end meet 2 pin of integrated package I, 6 pin of integrated package I and capacitor C simultaneously 1positive pole, capacitor C 1negative pole connect the negative pole of direct supply E, 1 pin of integrated package I connects the negative pole of direct supply E, and 5 pin of integrated package I meet capacitor C 2one end, capacitor C 2the negative pole of another termination direct supply E, resistance R 4other end sending and receiving optical diode D 1positive pole, light emitting diode D 1negative pole meet 3 pin, the resistance R of integrated package I simultaneously 5one end, one end of direct current generator M and one end of oscillograph B, resistance R 5other end sending and receiving optical diode D 2positive pole, light emitting diode D 2negative pole, the other end of direct current generator M, the other end of oscillograph B receive the negative pole of direct supply E simultaneously.Light emitting diode D 1with light emitting diode D 2glisten in turn, the turning and the multivibrator pattern of stopping, the waveform of oscillograph B is used for demonstration 555 time base circuit of direct current generator M, integrated package I NE555.
Owing to adopting technique scheme, the advantage that the present invention has and good effect are: the multivibrator pattern demonstrating 555 time base circuits, and structure is simple, and operation demonstration is convenient.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is circuit theory diagrams of the present invention.
Fig. 2 is one-piece construction schematic diagram of the present invention.
E. direct supply S. switch R in figure 1. resistance R 2. resistance R 3. resistance C 1. capacitor I. integrated package C 2. capacitor R 4. resistance D 1. light emitting diode R 5. resistance D 2. light emitting diode M. direct current generator B. oscillograph 1. base 2. demonstration board
Embodiment:
The positive pole of direct supply (E) is by switch (S) and resistance (R 1) one end be connected, resistance (R 1) the other end simultaneously connecting resistance (R 2) one end, 8 pin of integrated package (I), 4 pin of integrated package (I) and resistance (R 4) one end, resistance (R 2) the other end simultaneously connecting resistance (R 3) one end, integrated package (I) 7 pin, resistance (R 3) the other end meet 2 pin, 6 pin of integrated package (I), the capacitor (C of integrated package (I) simultaneously 1) positive pole, capacitor (C 1) negative pole connect the negative pole of direct supply (E), 1 pin of integrated package (I) connects the negative pole of direct supply (E), and 5 pin of integrated package (I) meet capacitor (C 2) one end, capacitor (C 2) the negative pole of another termination direct supply (E), resistance (R 4) other end sending and receiving optical diode (D 1) positive pole, light emitting diode (D 1) negative pole meet 3 pin, the resistance (R of integrated package (I) simultaneously 5) one end, one end of direct current generator (M), one end of oscillograph (B), resistance (R 5) other end sending and receiving optical diode (D 2) positive pole, light emitting diode (D 2) negative pole, the other end of direct current generator (M), the other end of oscillograph (B) receive the negative pole of direct supply (E) simultaneously.Light emitting diode (D 1) and light emitting diode (D 2) flash of light in turn, the turning and the multivibrator pattern of stopping, the waveform of oscillograph (B) is used for demonstration 555 time base circuit of direct current generator (M), integrated package (I) uses NE555.

Claims (1)

1. 555 time base circuit multivibrator pattern demonstrators, circuit is by direct supply (E), switch (S), resistance (R 1), resistance (R 2), resistance (R 3), capacitor (C 1), capacitor (C 2), integrated package (I), resistance (R 4), light emitting diode (D 1), resistance (R 5), light emitting diode (D 2), direct current generator (M), oscillograph (B) composition, it is characterized in that: the positive pole of direct supply (E) is by switch (S) and resistance (R 1) one end be connected, resistance (R 1) the other end simultaneously connecting resistance (R 2) one end, 8 pin of integrated package (I), 4 pin of integrated package (I) and resistance (R 4) one end, resistance (R 2) the other end simultaneously connecting resistance (R 3) one end, integrated package (I) 7 pin, resistance (R 3) the other end meet 2 pin, 6 pin of integrated package (I), the capacitor (C of integrated package (I) simultaneously 1) positive pole, capacitor (C 1) negative pole connect the negative pole of direct supply (E), 1 pin of integrated package (I) connects the negative pole of direct supply (E), and 5 pin of integrated package (I) meet capacitor (C 2) one end, capacitor (C 2) the negative pole of another termination direct supply (E), resistance (R 4) other end sending and receiving optical diode (D 1) positive pole, light emitting diode (D 1) negative pole meet 3 pin, the resistance (R of integrated package (I) simultaneously 5) one end, one end of direct current generator (M), one end of oscillograph (B), resistance (R 5) other end sending and receiving optical diode (D 2) positive pole, light emitting diode (D 2) negative pole, the other end of direct current generator (M), the other end of oscillograph (B) receive the negative pole of direct supply (E) simultaneously, integrated package (I) uses NE555.
CN201510603394.4A 2015-09-12 2015-09-12 Demonstration instrument for multivibrator mode of 555 time-base circuit Pending CN105118362A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510603394.4A CN105118362A (en) 2015-09-12 2015-09-12 Demonstration instrument for multivibrator mode of 555 time-base circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510603394.4A CN105118362A (en) 2015-09-12 2015-09-12 Demonstration instrument for multivibrator mode of 555 time-base circuit

Publications (1)

Publication Number Publication Date
CN105118362A true CN105118362A (en) 2015-12-02

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Application Number Title Priority Date Filing Date
CN201510603394.4A Pending CN105118362A (en) 2015-09-12 2015-09-12 Demonstration instrument for multivibrator mode of 555 time-base circuit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106376132A (en) * 2016-10-18 2017-02-01 泰力（安徽）电器股份有限公司 Household intelligent and multi-functional lighting charging circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106376132A (en) * 2016-10-18 2017-02-01 泰力（安徽）电器股份有限公司 Household intelligent and multi-functional lighting charging circuit
CN106376132B (en) * 2016-10-18 2018-06-01 泰力（安徽）电器股份有限公司 Intelligent domestic Multi-functional Lighting charging circuit

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Application publication date: 20151202