CN101968938A - Body inductive automatic control circuit demonstrator - Google Patents
Body inductive automatic control circuit demonstrator Download PDFInfo
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- CN101968938A CN101968938A CN 201010291433 CN201010291433A CN101968938A CN 101968938 A CN101968938 A CN 101968938A CN 201010291433 CN201010291433 CN 201010291433 CN 201010291433 A CN201010291433 A CN 201010291433A CN 101968938 A CN101968938 A CN 101968938A
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- resistance
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Abstract
The invention relates to a body inductive automatic control circuit demonstrator, which belongs to the technical field of demonstration instruments and is characterized in that: an annular antenna is connected with a TWH9250 module; a variable resistor a is connected with the TWH9250 module; a signal output end of the TWH9250 module is connected with the base of a triode through a resistor b; the emitter of the triode is connected with the anode of a DC power supply; the collector of the triode is connected with the cathode of the DC power supply through a resistor c and with a changeover switch; the drain of a field effect transistor (FET) is connected with the anode of the DC power supply through a variable resistor d; the source of the FET is connected with the cathode of the DC power supply; the source of the FET is connected with the changeover switch; a signal output end of a pyroelectric infrared sensor is connected with the changeover switch through a resistor e; the resistor e is connected with a resistor f in series; and the public end of the changeover switch is connected with the pin 4 of a 555 integrated circuit. Due to the technical scheme, the demonstrator has the advantages of visual demonstration effect and low cost.
Description
Technical field
The present invention relates to a kind of human body sensing automatic control circuit demonstrator, belong to the demonstration instrument technical field.
Background technology
At present, in the teaching of electronic circuit course, lecture when human body sensing, the human body sensing in the common field effect and human body in the microwave field is pyroelectric infrared releases infrared sensor to the automatic control action of circuit by Fei Nieer lens and heat, uninteresting.
Summary of the invention
The purpose of this invention is to provide a kind of human body sensing automatic control circuit demonstrator, can demonstrate human body in microwave field, human body is in common field effect and the pyroelectric infrared automatic control action to circuit of human body.
The object of the present invention is achieved like this: circuit is by tours antenna, the TWH9250 module, 555 integrated circuit, resistance, electric capacity, triode, field effect transistor, light emitting diode, heat is released infrared sensor, switch and loudspeaker are formed, 8 pin of 555 integrated circuit connect the positive pole of direct supply, 1 pin of 555 integrated circuit connects the negative pole of direct supply, 5 pin of 555 integrated circuit connect the negative pole of direct supply by electric capacity b, 7 pin of 555 integrated circuit are by 6 pin of resistance h and 555 integrated circuit, 2 pin link to each other, resistance g, resistance h and electric capacity a series connection, the negative pole of the termination direct supply after light emitting diode and the loudspeaker parallel connection, the other end links to each other by 3 pin of electric capacity c and 555 integrated circuit, direct supply and power switch series connection, it is characterized in that: tours antenna links to each other with the TWH9250 module, variable resistor a links to each other with the TWH9250 module, TWH9250 module by signal output terminal links to each other by the base stage of resistance b and triode, the emitter of triode connects the positive pole of direct supply, the collector of triode connects the negative pole of direct supply by resistance c, the collector of triode links to each other with switch, the drain electrode of field effect transistor connects the positive pole of direct supply by variable resistor d, the source electrode of field effect transistor connects the negative pole of direct supply, the source electrode of field effect transistor links to each other with switch, the signal output part that heat is released infrared sensor links to each other with switch by resistance e, resistance e and resistance f series connection, 4 pin of the common port of switch and 555 integrated circuit link to each other, there is light emitting diode the positive appropriate location of demonstration board, loudspeaker, tours antenna, the TWH9250 module, field effect transistor, the Fei Nieer lens, variable resistor a, variable resistor d, switch and power switch, heat are released on the focus that infrared sensor places the Fei Nieer lens.
Because adopt technique scheme, advantage and good effect that the present invention had are: the demonstration effect is directly perceived, cheap.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is circuit theory diagrams of the present invention.
Fig. 2 is the structural representation of the embodiment of the invention.
L. tours antenna I among the figure
1.TWH9250 module I
2.555 integrated circuit R
1. variable resistor aR
2. resistance b R
3. resistance c R
4. variable resistor d R
5. resistance e R
6. resistance f R
7. resistance gR
8. resistance h G
1. triode G
2. field effect transistor G
3. light emitting diode A. heat is released infrared sensor K
1. switch K
2. power switch C
1. electric capacity a C
2. electric capacity b C
3. electric capacity c Y. loudspeaker E. direct supply B. Fei Nieer lens F. demonstration board D. base
Embodiment
Among Fig. 1, tours antenna (L) and TWH9250 module (I
1) link to each other variable resistor a (R
1) and TWH9250 module (I
1) link to each other TWH9250 module (I
1) signal output part is by resistance b (R
2) and triode (G
1) base stage link to each other triode (G
1) emitter connect the positive pole of direct supply (E), triode (G
1) collector by resistance c (R
3) connect the negative pole of direct supply (E), triode (G
1) collector and switch (K
1) link to each other field effect transistor (G
2) drain electrode by variable resistor d (R
4) connect the positive pole of direct supply (E), field effect transistor (G
2) source electrode connect the negative pole of direct supply (E), field effect transistor (G
2) source electrode and switch (K
1) link to each other, heat is released the signal output part of infrared sensor (A) by resistance e (R
5) and switch (K
1) link to each other resistance e (R
5) and resistance f (R
6) series connection, switch (K
1) common port and 555 integrated circuit (I
2) 4 pin link to each other 555 integrated circuit (I
2) 8 pin connect the positive pole of direct supply (E), 555 integrated circuit (I
2) 1 pin connect the negative pole of direct supply (E), 555 integrated circuit (I
2) 5 pin by electric capacity b (C
2) connect the negative pole of direct supply (E), 555 integrated circuit (I
2) 7 pin by resistance h (R
8) and 555 integrated circuit (I
2) 6 pin, 2 pin link to each other resistance g (R
7), resistance h (R
8) and electric capacity a (C
1) series connection, light emitting diode (G
3) and loudspeaker (Y) parallel connection after the negative pole of a termination direct supply (E), the other end is by electric capacity c (C
3) and 555 integrated circuit (I
2) 3 pin link to each other direct supply (E) and power switch (K
2) series connection.The TWH9250 module is the microwave radar detecting module, and the triode model is: 9012, and the field effect transistor model is: 3DJ6, heat is released the infrared sensor model and is: AMN1.
Among Fig. 2, demonstration board (F) is fixed on the base (D), and there is light emitting diode (G the positive appropriate location of demonstration board (F)
3), loudspeaker (Y), tours antenna (L), TWH9250 module (I
1), field effect transistor (G
2), Fei Nieer lens (B), variable resistor a (R
1), variable resistor d (R
4), switch (K
1) and power switch (K
2), heat is released infrared sensor (A) and is placed on the focus of Fei Nieer lens (B).Other circuit original paper welds in the circuit board and places the back side of demonstration board (F) according to the annexation among Fig. 1.
Claims (2)
1. human body sensing automatic control circuit demonstrator, circuit is released infrared sensor, switch and loudspeaker by tours antenna, TWH9250 module, 555 integrated circuit, resistance, electric capacity, triode, field effect transistor, light emitting diode, heat and is formed 555 integrated circuit (I
2) 8 pin connect the positive pole of direct supply (E), 555 integrated circuit (I
2) 1 pin connect the negative pole of direct supply (E), 555 integrated circuit (I
2) 5 pin by electric capacity b (C
2) connect the negative pole of direct supply (E), 555 integrated circuit (I
2) 7 pin by resistance h (R
8) and 555 integrated circuit (I
2) 6 pin, 2 pin link to each other resistance g (R
7), resistance h (R
8) and electric capacity a (C
1) series connection, light emitting diode (G
3) and loudspeaker (Y) parallel connection after the negative pole of a termination direct supply (E), the other end is by electric capacity c (C
3) and 555 integrated circuit (I
2) 3 pin link to each other direct supply (E) and power switch (K
2) series connection, it is characterized in that: tours antenna (L) and TWH9250 module (I
1) link to each other variable resistor a (R
1) and TWH9250 module (I
1) link to each other TWH9250 module (I
1) signal output part is by resistance b (R
2) and triode (G
1) base stage link to each other triode (G
1) emitter connect the positive pole of direct supply (E), triode (G
1) collector by resistance c (R
3) connect the negative pole of direct supply (E), triode (G
1) collector and switch (K
1) link to each other field effect transistor (G
2) drain electrode by variable resistor d (R
4) connect the positive pole of direct supply (E), field effect transistor (G
2) source electrode connect the negative pole of direct supply (E), field effect transistor (G
2) source electrode and switch (K
1) link to each other, heat is released the signal output part of infrared sensor (A) by resistance e (R
5) and switch (K
1) link to each other resistance e (R
5) and resistance f (R
6) series connection, switch (K
1) common port and 555 integrated circuit (I
2) 4 pin link to each other, there is light emitting diode (G the positive appropriate location of demonstration board (F)
3), loudspeaker (Y), tours antenna (L), TWH9250 module (I
1), field effect transistor (G
2), Fei Nieer lens (B), variable resistor a (R
1), variable resistor d (R
4), switch (K
1) and power switch (K
2), heat is released infrared sensor (A) and is placed on the focus of Fei Nieer lens (B).
2. the described a kind of human body sensing automatic control circuit demonstrator of root a tree name claim 1, it is characterized in that: heat is released the infrared sensor model and is: AMN1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102914339A CN101968938B (en) | 2010-09-16 | 2010-09-16 | Body inductive automatic control circuit demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102914339A CN101968938B (en) | 2010-09-16 | 2010-09-16 | Body inductive automatic control circuit demonstrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101968938A true CN101968938A (en) | 2011-02-09 |
| CN101968938B CN101968938B (en) | 2012-07-18 |
Family
ID=43548085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102914339A Expired - Fee Related CN101968938B (en) | 2010-09-16 | 2010-09-16 | Body inductive automatic control circuit demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101968938B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102214406A (en) * | 2011-06-09 | 2011-10-12 | 盐城师范学院 | Body pyroelectric infrared sensor and Fresnel lens combined control circuit demonstrator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789196A (en) * | 2009-12-23 | 2010-07-28 | 盐城师范学院 | Automatic control switch circuit demonstration instrument |
| CN101807359A (en) * | 2010-03-16 | 2010-08-18 | 盐城师范学院 | Automatic control circuit demonstration instrument of common photoelectric device |
| CN101833890A (en) * | 2010-04-27 | 2010-09-15 | 盐城师范学院 | Semiconductor temperature sensor characteristic demonstrating instrument |
-
2010
- 2010-09-16 CN CN2010102914339A patent/CN101968938B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789196A (en) * | 2009-12-23 | 2010-07-28 | 盐城师范学院 | Automatic control switch circuit demonstration instrument |
| CN101807359A (en) * | 2010-03-16 | 2010-08-18 | 盐城师范学院 | Automatic control circuit demonstration instrument of common photoelectric device |
| CN101833890A (en) * | 2010-04-27 | 2010-09-15 | 盐城师范学院 | Semiconductor temperature sensor characteristic demonstrating instrument |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102214406A (en) * | 2011-06-09 | 2011-10-12 | 盐城师范学院 | Body pyroelectric infrared sensor and Fresnel lens combined control circuit demonstrator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101968938B (en) | 2012-07-18 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20120916 |