CN207968457U - A kind of switching circuit of touch control - Google Patents
A kind of switching circuit of touch control Download PDFInfo
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- CN207968457U CN207968457U CN201820404644.0U CN201820404644U CN207968457U CN 207968457 U CN207968457 U CN 207968457U CN 201820404644 U CN201820404644 U CN 201820404644U CN 207968457 U CN207968457 U CN 207968457U
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- power supplys
- resistance
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Abstract
A kind of switching circuit of touch control, including touch electrode, NE555, WTN3, triode, photo resistance, loudspeaker and light emitting diode are constituted.If human body does not have touch electrode, system is without acousto-optic hint；If when human body touch electrode, triode ON, at this time loudspeaker send out music, light emitting diode can be shinny, each prompt time be 4.4 seconds.The circuit cost is relatively low, and price is cheap, can be widely used on toy for children and daily necessities.
Description
Technical field
The utility model is related to a kind of switching circuits, especially using human body touch as the switching circuit of control signal.
Background technology
Currently, switch on the market is mostly mechanical switch, which realizes circuit in such a way that machinery is touched
Break-make, therefore with volume is larger, intelligence degree is not high and the drawbacks such as flexibility is relatively poor.Contact witch is touched with human body
It touches as control signal, has many advantages, such as small, low noise, long lifespan, the more with prospects in Modern Live.
Invention content
The utility model is directed to the deficiency of tradition machinery formula switch, it is intended to which design applicability is high, and low-cost touch is opened
It closes, and necessary acousto-optic hint can be carried out after human body touch.
The technical solution of the utility model is：One end and the NE555 of soft-touch control a S, S are constituted with two panels sheet metal
2 pins connect, other end ground connection；2 pins of mono- termination+5V power supplys of resistance R1, the other end and NE555 connect；The one end resistance R2
5 pins of ground connection, the other end and NE555 connect；The one end resistance R3 is connect with+5V power supplys, 6 and 7 pins of the other end and NE555
Connection, while being grounded by capacitance C1；1 pin of NE555 is grounded, and 4 and 8 pins connect+5V power supplys；3 pins and WTN3 of NE555
The connection of OKY1 pins, Vreg pins are grounded by capacitance C3, and VDD pins connect+5V power supplys, and IO1 pins pass through resistance R4 and three
The base stage of pole pipe VT connects, while being grounded by photo resistance R5, and IO2 pin outside connected switch circuits, PWM1 and PWM2 pins connect
3070 loudspeaker, GND pin ground connection；The one end capacitance C4 is connect with+5V power supplys, other end ground connection；The collector of triode VT and+5V
Power supply connects, and emitter is grounded by light emitting diode VD.
The utility model has the advantage of：Circuit structure is simple, and cost is relatively low, and price is cheap, can be widely used in youngster
On virgin toy and daily necessities.
Description of the drawings
Fig. 1 is the switching circuit circuit diagram of touch control.
Specific implementation mode
In figure, R1 is 6M Ohmic resistances, and R5 is T5516 photo resistance, and Speaker is 3070 loudspeaker of model, and capacitance C1 is 4
F capacitor, resistance R3 are 1M Ohmic resistances.
When human body does not have touch electrode S, 2 pins of NE555 are high level, and 3 pins of NE555 export low level,
IO1 the and IO2 pins of WTN3 export low level simultaneously, and light emitting diode VD does not shine at this time, loudspeaker not sounding.Work as human body touch
When electrode S, 2 pins of NE555 are low level, and 3 pins of NE555 export high level at this time, and IO1 the and IO2 pins of WTN3 are same
When export high level, loudspeaker, which play, at this time is written in the music of WTN3.If light is stronger at this time, photo resistance R5 resistance values are smaller,
Triode VT is not turned on, and light emitting diode VD is not shinny；If light is weaker at this time, photo resistance R5 resistance values are larger, triode VT
Conducting, time of the conducting of light emitting diode VD, wherein sound horn and lumination of light emitting diode by monostable circuit time
Constant decision, i.e. t=1.1R3C1=4.4s.Since the IO2 pins of WTN3 can export low and high level signal, can be used for
Connecting valve circuit, particular circuit configurations can be by user's designed, designeds.
Claims (1)
1. a kind of switching circuit of touch control, it is characterised in that：One end of soft-touch control a S, S are constituted with two panels sheet metal
It is connect with 2 pins of NE555, other end ground connection；2 pins of mono- termination+5V power supplys of resistance R1, the other end and NE555 connect；Electricity
Hinder the one end R2 ground connection, the 5 pins connection of the other end and NE555；The one end resistance R3 is connect with+5V power supplys, the other end and NE555's
6 connect with 7 pins, while being grounded by capacitance C1；1 pin of NE555 is grounded, and 4 and 8 pins connect+5V power supplys；Draw the 3 of NE555
The OKY1 pins of foot and WTN3 connect, and Vreg pins are grounded by capacitance C3, and VDD pins connect+5V power supplys, and IO1 pins pass through electricity
Resistance R4 is connect with the base stage of triode VT, while being grounded by photo resistance R5, PWM1 and PWM2 pins meet 3070 loudspeaker, GND
Pin is grounded；The one end capacitance C4 is connect with+5V power supplys, other end ground connection；The collector of triode VT is connect with+5V power supplys, hair
Emitter-base bandgap grading is grounded by light emitting diode VD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820404644.0U CN207968457U (en) | 2018-03-24 | 2018-03-24 | A kind of switching circuit of touch control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820404644.0U CN207968457U (en) | 2018-03-24 | 2018-03-24 | A kind of switching circuit of touch control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968457U true CN207968457U (en) | 2018-10-12 |
Family
ID=63726121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820404644.0U Expired - Fee Related CN207968457U (en) | 2018-03-24 | 2018-03-24 | A kind of switching circuit of touch control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207968457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799924A (en) * | 2018-12-25 | 2019-05-24 | 努比亚技术有限公司 | False-touch prevention control method and device, mobile terminal, computer readable storage medium |
-
2018
- 2018-03-24 CN CN201820404644.0U patent/CN207968457U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799924A (en) * | 2018-12-25 | 2019-05-24 | 努比亚技术有限公司 | False-touch prevention control method and device, mobile terminal, computer readable storage medium |
| CN109799924B (en) * | 2018-12-25 | 2023-01-13 | 安徽龙运智能科技有限公司 | False touch prevention control method and device, mobile terminal and computer readable storage medium |
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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 |
Granted publication date: 20181012 Termination date: 20190324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |