CN206147864U - Touch time delay electronic doorbell - Google Patents
Touch time delay electronic doorbell Download PDFInfo
- Publication number
- CN206147864U CN206147864U CN201621140648.XU CN201621140648U CN206147864U CN 206147864 U CN206147864 U CN 206147864U CN 201621140648 U CN201621140648 U CN 201621140648U CN 206147864 U CN206147864 U CN 206147864U
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- audion
- resistance
- circuit
- electric capacity
- touch
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Abstract
The utility model provides a touch time delay electronic doorbell, its circuit comprises touch induction circuit, delay switch circuit and audio frequency oscillation circuit to group battery GB by + 6V supplies power for each circuit. Compare with ordinary electronic doorbell, the utility model discloses a touch time delay electronic doorbell only needs touch -sensitive to touch the piece once, and the doorbell just can respond a period with continuouslying, no longer need control the bell ring of doorbell with the mode of pressing down the button for a long time, and it is very convenient to use, because the touch piece only need dab can respond to, even frequent use also is difficult to receive the pollution, more can not take place mechanical breakdown in addition, consequently uses not only neatly but also be durable, very worth popularization.
Description
Technical field
This utility model is related to a kind of electronic door bell, specifically a kind of touching time-delay electronic door bell, belongs to electronic technology
Field.
Background technology
General family doorway is fitted with electronic door bell, due to common electronic door bell by button being controlled,
After people's pressing button outdoors, door bell rings rise, and then doorbell stops sounding to release button.Under normal circumstances, in order to be able to the people allowed in room
Doorbell sound can be heard, people outdoors needs to press bell button for a long time, and it is very inconvenient to operate, therefore it is desirable that energy
Increase a delay circuit for existing doorbell, need to only press doorbell and just can persistently respond a period of time.Further, since doorbell
Usage frequency it is very high, if be controlled using button, after a period of time, button be easy to occur mechanical breakdown,
And the outside of button also easily seems very dirty, mismatch with the door-plate of neat and tidy, it is therefore desirable to be able to adopt touch
Control mode substituting existing button.
Utility model content
The purpose of this utility model is to provide a kind of touching time-delay electronic door bell, to solve the needs that existing doorbell is present
People's long-time pushes a button to control bell ring, button long term frequent and is susceptible to mechanical breakdown or easily makes dirty etc. ask using after
Topic.
Concrete technical scheme of the present utility model is：
A kind of touching time-delay electronic door bell, its circuit is by touch induction circuit, delay switch circuit and audio oscillation electricity
Road constitutes, and is powered for each circuit by set of cells GB of+6V, the minus earth of set of cells GB.
The touch induction circuit is built using singly-bound touch sensible chip TTP223,2,4, the 6 feet ground connection of TTP223,
3 feet connect one end of touch sheet TP and electric capacity C1, and the other end ground connection of electric capacity C1,5 feet of TTP223 connect one end of electric capacity C2, resistance
One end of R1 and R2, the other end ground connection of electric capacity C2, the positive pole of another termination set of cells GB of resistance R1, the other end of resistance R2
Ground connection, constitutes 5 feet supply+5V running voltage of the divider resistance to TTP223 from resistance R1 and R2, and 1 foot of TTP223 connects audion
The base stage of Q1, the colelctor electrode of audion Q1 connect the positive pole of set of cells GB, and emitter stage meets the one of the positive pole of diode D1 and resistance R3
End, the other end ground connection of resistance R3, the negative pole of diode D1 connect delay switch circuit.
In the delay switch circuit, one end of resistance R4 and the positive contact of electric capacity C3 touch the diode of sensor circuit
The negative pole of D1, the base stage of another termination audion Q2 of resistance R4, the emitter stage of audion Q2 connect the base stage of audion Q3, three poles
The colelctor electrode of pipe Q2, Q3 connects the positive pole of set of cells GB, one end of the emitter stage connecting resistance R5 of audion Q3 and the base of audion Q4
Pole, the negative pole of electric capacity C3, the other end of resistance R5, the emitter stage common ground of audion Q4, the colelctor electrode of audion Q4 connect sound
Frequency oscillator circuit.
In the audio oscillator circuit, one end of resistance R6 and the emitter stage of audion Q6 connect the positive pole of set of cells GB,
One end of another termination capacitor C4 of resistance R6 and the base stage of audion Q5, the base of the collector connecting transistor Q6 of audion Q5
Pole, one end of another terminating resistor R7 of electric capacity C4, the one of the other end and speaker B of the colelctor electrode connecting resistance R7 of audion Q6
End, the other end of the emitter stage and speaker B of audion Q5 connect the colelctor electrode of the audion Q4 of delay switch circuit jointly.
Described audion Q1, Q2, Q3, Q5 adopt NPN triode 3DG8, audion Q4 adopt NPN triode 3DG130, three
Pole pipe Q6 adopts NPN triode 3AX81.
Touch sheet TP is made using copper sheet, and described electric capacity C1, C2 are respectively adopted the electric capacity of 22pF and 0.1 μ F；It is described
Electrochemical capacitors of the electric capacity C3 using 16V20 μ F.
Advantage of the present utility model is：Compare with ordinary electronic doorbell, touching time-delay electronic door bell of the present utility model
Touch sensible touch sheet once, doorbell is only needed just can persistently to respond a period of time, it is no longer necessary to press the side of button with long-time
Formula is controlling the bell ring of doorbell, very easy to use, and as touch sheet need to be only sensed by touching, even if frequently making
With being also not readily susceptible to pollution, more mechanical breakdown will not occur, therefore use not only clean and tidy but also durable, highly promote.
Description of the drawings
Circuit diagrams of the Fig. 1 for this utility model touching time-delay electronic door bell.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described further.
As shown in figure 1, touching time-delay electronic door bell of the present utility model, its circuit is opened by touch induction circuit, time delay
Powered-down road and audio oscillator circuit composition, and be powered for each circuit by set of cells GB of+6V, the negative pole of set of cells GB connects
Ground.
The touch induction circuit is built using singly-bound touch sensible chip TTP223,2,4, the 6 feet ground connection of TTP223,
3 feet connect one end of touch sheet TP and electric capacity C1, and the other end ground connection of electric capacity C1,5 feet of TTP223 connect one end of electric capacity C2, resistance
One end of R1 and R2, the other end ground connection of electric capacity C2, the positive pole of another termination set of cells GB of resistance R1, the other end of resistance R2
Ground connection, constitutes 5 feet supply+5V running voltage of the divider resistance to TTP223 from resistance R1 and R2, and 1 foot of TTP223 connects audion
The base stage of Q1, the colelctor electrode of audion Q1 connect the positive pole of set of cells GB, and emitter stage meets the one of the positive pole of diode D1 and resistance R3
End, the other end ground connection of resistance R3, the negative pole of diode D1 connect delay switch circuit.
In the delay switch circuit, one end of resistance R4 and the positive contact of electric capacity C3 touch the diode of sensor circuit
The negative pole of D1, the base stage of another termination audion Q2 of resistance R4, the emitter stage of audion Q2 connect the base stage of audion Q3, three poles
The colelctor electrode of pipe Q2, Q3 connects the positive pole of set of cells GB, one end of the emitter stage connecting resistance R5 of audion Q3 and the base of audion Q4
Pole, the negative pole of electric capacity C3, the other end of resistance R5, the emitter stage common ground of audion Q4, the colelctor electrode of audion Q4 connect sound
Frequency oscillator circuit.
In the audio oscillator circuit, one end of resistance R6 and the emitter stage of audion Q6 connect the positive pole of set of cells GB,
One end of another termination capacitor C4 of resistance R6 and the base stage of audion Q5, the base of the collector connecting transistor Q6 of audion Q5
Pole, one end of another terminating resistor R7 of electric capacity C4, the one of the other end and speaker B of the colelctor electrode connecting resistance R7 of audion Q6
End, the other end of the emitter stage and speaker B of audion Q5 connect the colelctor electrode of the audion Q4 of delay switch circuit jointly.
The circuit workflow of touching time-delay electronic door bell of the present utility model is：When staff touches touch sheet TP,
The 1 foot outfan output high level of singly-bound touch sensible chip TTP223, turns on audion Q1, and electric capacity C3 is electrically charged, while
The multiple tube being made up of audion Q2, Q3 is turned on, then audion Q4 conductings, by audion Q5, Q6, speaker B and resistance R6,
The audio oscillator circuit work that the direct-coupling of R7, electric capacity C4 composition amplifies, speaker B sounding；When staff leaves touch sheet TP
When, although the 1 foot upset output low level of TTP223, audion Q1 cut-offs, but electric capacity C3 are discharged by resistance R4, audion
Q2, Q3, Q4 continue conducting, and speaker B continues sounding, after one section of time delay, electric capacity C3 discharge offs, and audion Q2, Q3, Q4
Just end, speaker B stops sounding.
Above-mentioned legend is only exemplary embodiments of the present utility model, is not limited to this utility model, all in this practicality
Any modification made within new spirit and principle or equivalent and improvement etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (3)
1. a kind of touching time-delay electronic door bell, is characterized in that：The circuit of the touching time-delay electronic door bell is by touch sensible
Circuit, delay switch circuit and audio oscillator circuit composition, and be powered for each circuit by set of cells GB of+6V, set of cells
The minus earth of GB；
The touch induction circuit is built using singly-bound touch sensible chip TTP223,2,4, the 6 feet ground connection of TTP223,3 feet
One end of touch sheet TP and electric capacity C1 is connect, the other end ground connection of electric capacity C1,5 feet of TTP223 meet one end of electric capacity C2, resistance R1
With one end of R2, the other end ground connection of electric capacity C2, the positive pole of another termination set of cells GB of resistance R1, another termination of resistance R2
Ground, constitutes 5 feet supply+5V running voltage of the divider resistance to TTP223 from resistance R1 and R2, and 1 foot of TTP223 meets audion Q1
Base stage, the colelctor electrode of audion Q1 connects the positive pole of set of cells GB, and emitter stage connects one end of the positive pole of diode D1 and resistance R3,
The other end ground connection of resistance R3, the negative pole of diode D1 connect delay switch circuit；
In the delay switch circuit, one end of resistance R4 and the positive contact of electric capacity C3 touch the diode D1's of sensor circuit
Negative pole, the base stage of another termination audion Q2 of resistance R4, the emitter stage of audion Q2 connect the base stage of audion Q3, audion
The colelctor electrode of Q2, Q3 connects the positive pole of set of cells GB, one end of the emitter stage connecting resistance R5 of audion Q3 and the base stage of audion Q4,
The negative pole of electric capacity C3, the other end of resistance R5, the emitter stage common ground of audion Q4, the colelctor electrode of audion Q4 connect audio frequency and shake
Swing circuit；
In the audio oscillator circuit, one end of resistance R6 and the emitter stage of audion Q6 connect the positive pole of set of cells GB, resistance
One end of another termination capacitor C4 of R6 and the base stage of audion Q5, the base stage of the collector connecting transistor Q6 of audion Q5, electricity
One end of another terminating resistor R7 of appearance C4, the other end of the colelctor electrode connecting resistance R7 of audion Q6 and one end of speaker B, three
The other end of the emitter stage and speaker B of pole pipe Q5 connects the colelctor electrode of the audion Q4 of delay switch circuit jointly.
2. touching time-delay electronic door bell according to claim 1, is characterized in that：Described audion Q1, Q2, Q3, Q5 are adopted
NPN triode 3DG8, audion Q4 is used to adopt NPN triode 3DG130, audion Q6 to adopt NPN triode 3AX81.
3. touching time-delay electronic door bell according to claim 1, is characterized in that：Touch sheet TP adopts copper sheet system
Into described electric capacity C1, C2 are respectively adopted the electric capacity of 22pF and 0.1 μ F；Electrochemical capacitors of the electric capacity C3 using 16V20 μ F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621140648.XU CN206147864U (en) | 2016-10-20 | 2016-10-20 | Touch time delay electronic doorbell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621140648.XU CN206147864U (en) | 2016-10-20 | 2016-10-20 | Touch time delay electronic doorbell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206147864U true CN206147864U (en) | 2017-05-03 |
Family
ID=58623061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621140648.XU Expired - Fee Related CN206147864U (en) | 2016-10-20 | 2016-10-20 | Touch time delay electronic doorbell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206147864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340147A (en) * | 2016-10-20 | 2017-01-18 | 广西大学 | Touching-type time-delay electronic doorbell |
-
2016
- 2016-10-20 CN CN201621140648.XU patent/CN206147864U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340147A (en) * | 2016-10-20 | 2017-01-18 | 广西大学 | Touching-type time-delay electronic doorbell |
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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: 20170503 Termination date: 20171020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |