CN208093017U - 555 integrated package speed-regulating function demonstrators - Google Patents
555 integrated package speed-regulating function demonstrators Download PDFInfo
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- CN208093017U CN208093017U CN201721930587.1U CN201721930587U CN208093017U CN 208093017 U CN208093017 U CN 208093017U CN 201721930587 U CN201721930587 U CN 201721930587U CN 208093017 U CN208093017 U CN 208093017U
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- resistance
- integrated package
- transistor
- feet
- light emitting
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Abstract
The utility model is related to a kind of 555 integrated package speed-regulating function demonstrators, belong to physics educational apparatus field, it is characterized in that：Circuit is by DC power supply E, switch S, resistance R1, adjustable resistance R2, resistance R3, integrated package I, capacitor C, light emitting diode D1, resistance R4, oscillograph Q, resistance R5, transistor T1, resistance R6, zener diode D2, voltmeter V, transistor T2, motor M composition, integrated package I NE555, adjustable resistance R2For the rotating speed of regulation motor M, light emitting diode D1For demonstrate integrated package I 3 foot output waveforms frequency situation, oscillograph Q is used for demonstrating the 3 foot waveforms of integrated package I, and advantage and good effect possessed by the utility model are：Simple in structure, operation demonstration is convenient.
Description
Technical field
The utility model is related to a kind of 555 integrated package speed-regulating function demonstrators, belong to physics educational apparatus field.
Background technology
Currently, in physics teaching, not about 555 integrated package speed-regulating function demonstrators, student is unable to profound understanding 555
Integrated package speed-regulating function, this demonstration instrument can demonstrate 555 integrated package speed-regulating functions.
Utility model content
The purpose of this utility model is to provide a kind of 555 integrated package speed-regulating function demonstrators, can demonstrate 555 integrated package speed governing
Function.
What the purpose of this utility model was realized in：Circuit is by DC power supply E, switch S, resistance R1, adjustable resistance R2、
Resistance R3, integrated package I, capacitor C, light emitting diode D1, resistance R4, oscillograph Q, resistance R5, transistor T1, resistance R6, voltage stabilizing
Diode D2, voltmeter V, transistor T2, motor M composition.Integrated package I, adjustable resistance R2, resistance R3, capacitor C composition oscillation
The pulse frequency of device, the 3 feet output of integrated package I can be adjusted at 5 hertz to 20 hertz, transistor T1, transistor T2Constitute power
Output stage adjusts adjustable resistance R to control motor2Size, can control the frequency of oscillation of integrated package I, control to pass through motor M
Average current, the rotating speed of control motor M, adjustable resistance R2For the rotational speed regulation potentiometer of motor M.It is characterized in that：Direct current
The anode of source E connects one end of switch S, the other end while connecting resistance R of switch S1One end, 4 feet of integrated package I, integrated package I
8 feet, light emitting diode D1Anode, transistor T2Emitter, resistance R1The other end simultaneously meet adjustable resistance R2One end,
7 feet of integrated package I, adjustable resistance R2Another terminating resistor R3One end, resistance R3The other end simultaneously connect the 6 of integrated package I
One end of foot, 2 feet of integrated package I, capacitor C, 1 foot of another termination integrated package I of capacitor C, light emitting diode D1It is negative
Pole connecting resistance R4One end, resistance R4The other end meet 3 feet, the resistance R of integrated package I simultaneously5One end, oscillograph Q one end,
Resistance R5Another termination transistor T1Base stage, transistor T1Collector simultaneously meet zener diode D2Cathode, resistance R6
One end, transistor T1Emitter simultaneously meet transistor T2Base stage, voltmeter V one end, transistor T2Collector connect electricity
One end of machine M, the cathode of DC power supply E meet the other end, the resistance R of oscillograph Q simultaneously6The other end, zener diode D2Just
Pole, the other end of voltmeter V, motor M the other end.Integrated package I NE555, adjustable resistance R2For turning for regulation motor M
Speed, light emitting diode D1For demonstrate integrated package I 3 foot output waveforms frequency situation, oscillograph Q be used for demonstrate integrated package I
3 foot waveforms.
Due to the adoption of the above technical scheme, advantage and good effect possessed by the utility model are：It is integrated that 555 can be demonstrated
Block speed-regulating function, simple in structure, intuitive accurate, operation demonstration is convenient.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the circuit diagram of the utility model.
Fig. 2 is the overall structure diagram of the utility model.
E. DC power supplies S. switches R in figure1Resistance R2Adjustable resistance R3Resistance
I. integrated package C. capacitors D1Light emitting diode R4Resistance Q. oscillographs R5Resistance
T1Transistor R6Resistance D2Zener diode V. voltmeters T2Transistor M. motors
1. 2. demonstration board of pedestal
Specific implementation mode：
In Fig. 1, the anode of DC power supply (E) connects one end of switch (S), switchs the other end while connecting resistance of (S)
(R1) one end, 4 feet of integrated package (I), 8 feet of integrated package (I), light emitting diode (D1) anode, transistor (T2) transmitting
Pole, resistance (R1) the other end simultaneously meet adjustable resistance (R2) one end, integrated package (I) 7 feet, adjustable resistance (R2) it is another
Terminating resistor (R3) one end, resistance (R3) the other end simultaneously connect 6 feet of integrated package (I), 2 feet, the capacitor of integrated package (I)
(C) one end, 1 foot of another termination integrated package (I) of capacitor (C), light emitting diode (D1) cathode connecting resistance (R4) one
End, resistance (R4) the other end meet 3 feet, the resistance (R of integrated package (I) simultaneously5) one end, oscillograph (Q) one end, resistance
(R5) another termination transistor (T1) base stage, transistor (T1) collector simultaneously meet zener diode (D2) cathode, electricity
Hinder (R6) one end, transistor (T1) emitter simultaneously meet transistor (T2) base stage, voltmeter (V) one end, transistor
(T2) collector connect one end of motor (M), the cathode of DC power supply (E) meets the other end, the resistance (R of oscillograph (Q) simultaneously6)
The other end, zener diode (D2) anode, the other end of voltmeter (V), motor (M) the other end.Integrated package I is used
NE555, adjustable resistance R2For the rotating speed of regulation motor M, light emitting diode D1For demonstrating 3 foot output waveforms of integrated package I
Frequency situation, oscillograph Q are used for demonstrating the 3 foot waveforms of integrated package I.Component parameters are as follows in circuit：DC power supply E with 10 volts,
Resistance R1It is 15 kilo-ohms, adjustable resistance R2It is 10 kilo-ohms, resistance R3It it is 100 ohm, capacitor C is 1 microfarad, resistance R4It is 330,000
Europe, resistance R5It is 2.2 kilo-ohms, resistance R6It is 1 kilo-ohm, transistor T1For 2N2907, transistor T2For MJ2905.
In fig. 2, according to position as shown in Figure 2 DC power supply E, integrated package I, motor M, voltmeter, oscillograph Q,
Light emitting diode D1, adjustable resistance R2, switch S be fixed on the front of demonstration board 2, other elements in circuit are fixed on demonstration board 2
Reverse side, connected according to Fig. 1 with conducting wire.
Demenstration method：Switch S is connected, changes adjustable resistance R respectively2Size, oscillograph Q shows that 3 feet of integrated package I are defeated
The waveform of the different frequency gone out, light emitting diode D1Show frequency situation, that is, flash frequency of the 3 foot output waveforms of integrated package I,
Voltmeter V shows transistor T1The rotation speed change of the voltage change situation of emitter, motor M shows the speed governing work(of 555 integrated packages
Energy.
Claims (1)
1. a kind of 555 integrated package speed-regulating function demonstrators, circuit is by DC power supply E, switch S, resistance R1, adjustable resistance R2, resistance
R3, integrated package I, capacitor C, light emitting diode D1, resistance R4, oscillograph Q, resistance R5, transistor T1, resistance R6, two pole of voltage stabilizing
Pipe D2, voltmeter V, transistor T2, motor M composition, it is characterized in that：The anode of DC power supply E connects one end of switch S, switch S's
The other end while connecting resistance R1One end, 4 feet of integrated package I, 8 feet of integrated package I, light emitting diode D1Anode, transistor T2
Emitter, resistance R1The other end simultaneously meet adjustable resistance R2One end, integrated package I 7 feet, adjustable resistance R2The other end
Connecting resistance R3One end, resistance R3The other end connect one end of 6 feet of integrated package I, 2 feet of integrated package I, capacitor C, electricity simultaneously
1 foot of another termination integrated package I of container C, light emitting diode D1Cathode connecting resistance R4One end, resistance R4The other end it is same
When meet 3 feet, the resistance R of integrated package I5One end, oscillograph Q one end, resistance R5Another termination transistor T1Base stage, it is brilliant
Body pipe T1Collector simultaneously meet zener diode D2Cathode, resistance R6One end, transistor T1Emitter simultaneously connect crystal
Pipe T2Base stage, voltmeter V one end, transistor T2Collector connect one end of motor M, the cathode of DC power supply E connects simultaneously to be shown
The other end, the resistance R of wave device Q6The other end, zener diode D2Anode, the other end of voltmeter V, motor M the other end,
Integrated package I NE555.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721930587.1U CN208093017U (en) | 2017-12-31 | 2017-12-31 | 555 integrated package speed-regulating function demonstrators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721930587.1U CN208093017U (en) | 2017-12-31 | 2017-12-31 | 555 integrated package speed-regulating function demonstrators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208093017U true CN208093017U (en) | 2018-11-13 |
Family
ID=64065322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721930587.1U Expired - Fee Related CN208093017U (en) | 2017-12-31 | 2017-12-31 | 555 integrated package speed-regulating function demonstrators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208093017U (en) |
-
2017
- 2017-12-31 CN CN201721930587.1U patent/CN208093017U/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: 20181113 Termination date: 20191231 |