CN105139733A - 555 time base integrated block time delay function demonstration instrument - Google Patents
555 time base integrated block time delay function demonstration instrument Download PDFInfo
- Publication number
- CN105139733A CN105139733A CN201510603393.XA CN201510603393A CN105139733A CN 105139733 A CN105139733 A CN 105139733A CN 201510603393 A CN201510603393 A CN 201510603393A CN 105139733 A CN105139733 A CN 105139733A
- Authority
- CN
- China
- Prior art keywords
- switch
- integrated package
- capacitor
- pin
- delay function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Keying Circuit Devices (AREA)
- Relay Circuits (AREA)
Abstract
The present invention relates to a 555 time base integrated block time delay function demonstration instrument, and belongs to the electronic technique teaching instrument field. The 555 time base integrated block time delay function demonstration instrument is characterized in that a circuit is composed of a DC power supply E, a switch S1, a resistor R1, a button switch S2, a capacitor C1, a resistor R2, an integrated block I, a capacitor C2, a diode D, a switch S3, a DC electromagnetic relay KA, a transformer T and a bulb H; the integrated block is an NE555 circuit, and the button switch S2, the switch S3 and the bulb H are used to demonstrate a time delay function of a 555 time base integrated block. The advantages and the positive effects of the present invention are that: the 555 time base integrated block time delay function demonstration instrument is simple in structure, and is convenient to operate and demonstrate.
Description
Technical field
When the present invention relates to a kind of 555, base integrated package delay function demonstrator, belongs to Technical Teaching instrument field.
Background technology
At present, in Technical Teaching, not about 555 time base integrated package delay function demonstrator, student can not profound understanding 555 time base integrated package characteristic, the delay function of base integrated package when this demonstration instrument can demonstrate 555.
Summary of the invention
Base integrated package delay function demonstrator when the object of this invention is to provide a kind of 555, the delay function of base integrated package when can demonstrate 555.
The object of the present invention is achieved like this: circuit is by direct supply E, switch S
1, resistance R
1, pushbutton switch S
2, capacitor C
1, resistance R
2, integrated package I, capacitor C
2, diode D, switch S
3, direct current electromagnetic relay KA, transformer T, bulb H form.It is characterized in that: the positive pole of direct supply E connects switch S
1one end, switch S
1other end connecting resistance R
1one end, resistance R
1the other end meet pushbutton switch S simultaneously
2one end, capacitor C
1one end, 8 pin of integrated package I, 4 pin of integrated package I, the negative pole of diode D and direct current electromagnetic relay KA coil one end, pushbutton switch S
2the other end meet capacitor C simultaneously
1the other end, resistance R
2one end, 2 pin of integrated package I and 6 pin of integrated package I, the positive pole of diode D connects the other end of direct current electromagnetic relay KA coil, 3 pin of integrated package I and switch S simultaneously
3one end, capacitor C
25 pin of a termination integrated package I, the negative pole connecting resistance R simultaneously of direct supply E
2the other end, 1 pin of integrated package I, capacitor C
2the other end, switch S
3the other end; The primary coil of transformer T connects 220V AC power, and in direct current electromagnetic relay KA, normally opened contact is connected on the two ends of the secondary coil of transformer T after connecting with bulb H.Pushbutton switch S
2, switch S
3with bulb H be used for demonstration 555 time base integrated package delay function, integrated package I NE555.
Owing to adopting technique scheme, the advantage that the present invention has and good effect are: the delay function of base integrated package when can demonstrate 555, and structure is simple, operation demonstrating visual, convenience.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1, Fig. 2 are circuit theory diagrams of the present invention.
Fig. 3 is one-piece construction schematic diagram of the present invention.
E. direct supply S in figure
1. switch R
1. resistance S
2. pushbutton switch C
1. capacitor R
2. resistance I. integrated package C
2. capacitor D. diode S
3. K switch A. direct current electromagnetic relay T. transformer H. bulb 1. base 2. demonstration board
Embodiment:
In FIG, the positive pole of direct supply (E) meets switch (S
1) one end, switch (S
1) other end connecting resistance (R
1) one end, resistance (R
1) the other end meet pushbutton switch (S simultaneously
2) one end, capacitor (C
1) one end, 8 pin of integrated package (I), 4 pin of integrated package (I), the negative pole of diode (D) and direct current electromagnetic relay (KA) coil one end, pushbutton switch (S
2) the other end meet capacitor (C simultaneously
1) the other end, resistance (R
2) one end, 2 pin of integrated package (I) and 6 pin of integrated package (I), the positive pole of diode (D) meets the other end of direct current electromagnetic relay (KA) coil, 3 pin of integrated package (I) and switch (S simultaneously
3) one end, capacitor (C
2) 5 pin of a termination integrated package (I), the negative pole connecting resistance (R simultaneously of direct supply (E)
2) the other end, 1 pin of integrated package (I), capacitor (C
2) the other end, switch (S
3) the other end.
In fig. 2, the primary coil of transformer (T) connects 220V AC power, and in direct current electromagnetic relay (KA), normally opened contact is connected on the two ends of the secondary coil of transformer (T) after connecting with bulb (H).
Pushbutton switch (S
2), switch (S
3) and bulb (H) be used for demonstration 555 time base integrated package delay function, integrated package (I) uses NE555.
Claims (1)
1. 555 time a base integrated package delay function demonstrator, circuit is by direct supply (E), switch (S
1), resistance (R
1), pushbutton switch (S
2), capacitor (C
1), resistance (R
2), integrated package (I), capacitor (C
2), diode (D), switch (S
3), direct current electromagnetic relay (KA), transformer (T), bulb (H) composition, it is characterized in that: the positive pole of direct supply (E) meets switch (S
1) one end, switch (S
1) other end connecting resistance (R
1) one end, resistance (R
1) the other end meet pushbutton switch (S simultaneously
2) one end, capacitor (C
1) one end, 8 pin of integrated package (I), 4 pin of integrated package (I), the negative pole of diode (D) and direct current electromagnetic relay (KA) coil one end, pushbutton switch (S
2) the other end meet capacitor (C simultaneously
1) the other end, resistance (R
2) one end, 2 pin of integrated package (I) and 6 pin of integrated package (I), the positive pole of diode (D) meets the other end of direct current electromagnetic relay (KA) coil, 3 pin of integrated package (I) and switch (S simultaneously
3) one end, capacitor (C
2) 5 pin of a termination integrated package (I), the negative pole connecting resistance (R simultaneously of direct supply (E)
2) the other end, 1 pin of integrated package (I), capacitor (C
2) the other end, switch (S
3) the other end, the primary coil of transformer (T) connects 220V AC power, in direct current electromagnetic relay (KA), normally opened contact is connected on the two ends of the secondary coil of transformer (T) after connecting with bulb (H), and integrated package (I) uses NE555.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510603393.XA CN105139733A (en) | 2015-09-12 | 2015-09-12 | 555 time base integrated block time delay function demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510603393.XA CN105139733A (en) | 2015-09-12 | 2015-09-12 | 555 time base integrated block time delay function demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105139733A true CN105139733A (en) | 2015-12-09 |
Family
ID=54725059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510603393.XA Pending CN105139733A (en) | 2015-09-12 | 2015-09-12 | 555 time base integrated block time delay function demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105139733A (en) |
-
2015
- 2015-09-12 CN CN201510603393.XA patent/CN105139733A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204946446U (en) | Base integrated package delay function demonstrator when 555 | |
| CN105139733A (en) | 555 time base integrated block time delay function demonstration instrument | |
| CN203690914U (en) | Power supply reversal connection protective device in LED display screen control system | |
| CN202473036U (en) | Bridge rectifier circuit demonstrator | |
| CN201000686Y (en) | Demonstrator for simulating remote electric power transmission | |
| CN204614313U (en) | Transformer alternating, direct current, pulse current effect demonstrator | |
| CN204537578U (en) | Self-inductive phenomenon demonstration instrument | |
| CN204087645U (en) | A kind of circuit diagram drawing board device for physics teaching | |
| CN204231407U (en) | The wall-hanging network switch | |
| CN206819627U (en) | Bridge rectifier capacitor filter failure demonstrating instrument | |
| CN203070631U (en) | Circuits for NAND gate teaching demonstration | |
| CN204720069U (en) | thyristor characteristics and application demonstrator | |
| CN105243939A (en) | Electronic starter principle demonstration instrument | |
| CN104680906A (en) | Demonstration instrument for effects of transformer on alternating current, direct current and pulse current | |
| CN204706253U (en) | A kind of device of demonstration battery energy | |
| CN204288629U (en) | A kind of self-inductance apparatus for demonstrating | |
| CN204257065U (en) | Wet-out phenomenon demonstrator | |
| CN203950479U (en) | A kind of power supply short circuit demonstration device | |
| CN205943243U (en) | Zener diode working characteristics demonstrates appearance | |
| CN205428326U (en) | Touch economize on electricity light switch principle demonstrates appearance | |
| CN204808706U (en) | Unijunction transistor , transistor switch on demonstrates appearance with off -state automatic switching characteristic | |
| CN203746308U (en) | Pulsed discharge arc plasma demonstration instrument circuit | |
| CN201662914U (en) | Thermistor experimental device | |
| CN204946447U (en) | 555 time base circuit multivibrator pattern demonstrators | |
| CN204102016U (en) | A kind of rotary-connecting AC voltage regulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151209 |
|
| WD01 | Invention patent application deemed withdrawn after publication |