CN106846679A - Touch delayed type electronic music doorbell - Google Patents
Touch delayed type electronic music doorbell Download PDFInfo
- Publication number
- CN106846679A CN106846679A CN201710059202.7A CN201710059202A CN106846679A CN 106846679 A CN106846679 A CN 106846679A CN 201710059202 A CN201710059202 A CN 201710059202A CN 106846679 A CN106846679 A CN 106846679A
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- CN
- China
- Prior art keywords
- circuit
- nand gate
- pin
- input
- resistance
- 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.)
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The present invention is to touch delayed type electronic music doorbell on one kind, and its feature includes：12V dc sources, astable multibrator and high level holding circuit, music type buzzer drive circuit；The model CD4011 that the NAND gate circuit IC1 of two input four in described astable multibrator and high level holding circuit is selected.Traditional doorbell controls sounding by key switch more, or doorbell work is started by human body proximity induction mode, the present invention looks for another way, it is without finger Push switch, it only needs to gently touch a bottom electrode with finger when in use, and doorbell will at once send melodious musical sound, and after finger leaves touch electrode, music door-bell can continue work for a period of time, then be automatically stopped work.
Description
Technical field
It is to touch delayed type electronic music doorbell on one kind the invention belongs to electronic auto-control technology field.
Background technology
Traditional doorbell controls sounding by key switch more, or starts doorbell work, this hair by human body proximity induction mode
Bright to look for another way,, without finger Push switch, it only needs to gently touch a bottom electrode with finger when in use, and doorbell will for it
At once melodious musical sound is sent, and after finger leaves touch electrode, music door-bell can continue work for a period of time, then
It is automatically stopped work.
Touch delayed type electronic music doorbell involved necessity in implementation process of the present invention described further below
, guardian technique content.
The content of the invention
Goal of the invention and beneficial effect：Traditional doorbell controls sounding by key switch more, or by human body proximity sensing side
Formula starts doorbell work, and the present invention looks for another way, and, without finger Push switch, it only needs to gently be touched with finger when in use for it
Electrode is had a touch with, doorbell will at once send melodious musical sound, and after finger leaves touch electrode, music door-bell can prolong
Continuous work for a period of time, is then automatically stopped work.
Circuit operation principle：When finger touches touch electrode CM simultaneously, equivalent to two metals in touch electrode CM
An equivalent resistance is accessed between piece, its resistance is generally less than 0.5M Ω, and at this moment astable multibrator circuit is just started working.
The model CD4011 that the NAND gate circuit IC1 of two input four is used, circuit is connected into the trigger without steady state function,
14th pin of the NAND gate circuit IC1 of two input four meets circuit anode VCC；7th pin of the NAND gate circuit IC1 of two input four connects
Circuit ground GND；When hand touches touch electrode two sheet metals of CM simultaneously, the 1st pin of the NAND gate circuit IC1 of two input four is
High level, the 4th pin of the NAND gate circuit IC1 of two input four is changed into low level, is sent to the NAND gate circuit IC1's of two input four
After 5th pin and the 6th pin are anti-phase, the 3rd pin of the NAND gate circuit IC1 of two input four is set to export high level, this high level makes N-channel
FET VT1 is turned on immediately, and music type buzzer YYHA sends musical sound immediately because obtaining electric.
The high level of the 3rd pin output of the NAND gate collector IC1 of two input four can be maintained 5~8 seconds, and adjustment is touched without stable state
The capacity of electrochemical capacitor C1 can change level output width in hair device circuit, i.e.,：Control the NAND gate circuit IC1 of two input four
The 3rd pin output high level hold time.
Technical scheme：Delayed type electronic music doorbell is touched, it includes 12V dc sources, astable multibrator and electricity high
Flat holding circuit, music type buzzer drive circuit, it is characterised in that：
Astable multibrator and high level holding circuit：It by the NAND gate circuit IC1 of two input four, touch electrode CM,
Resistance R1, resistance R2, resistance R3 and electrochemical capacitor C1 composition, the model that the NAND gate circuit IC1 of two input four is selected
One end and one end of touch electrode CM of CD4011, the 1st pin connecting resistance R1 of the NAND gate circuit IC1 of two input four, resistance R1
The other end and the 14th pin of the NAND gate circuit IC1 of two input four meet circuit anode VCC, the other end of touch electrode CM passes through
The 5th pin and the 6th pin that resistance R2 meets circuit ground GND, the NAND gate circuit IC1 of two input four meet circuit ground GND by resistance R3,
2nd pin of the NAND gate circuit IC1 of two input four connects the 4th pin of the NAND gate circuit IC1 of two input four, two inputs four with it is non-
5th pin of gate circuit IC1 and the 6th pin are connected with the negative pole of electrochemical capacitor C1, the 3rd pin of the NAND gate circuit IC1 of two input four
The positive pole of electrochemical capacitor C1 is connect, the 7th pin of the NAND gate circuit IC1 of two input four meets circuit ground GND；
Music type buzzer drive circuit：It is by resistance R4, enhanced N-channel FET VT1 and music type buzzer
YYHA is constituted, and the 3rd pin of the NAND gate circuit IC1 of two input four connects the grid of enhanced N-channel FET VT1 by resistance R4
Pole, the drain electrode of enhanced N-channel FET VT1 connects the negative pole of music type buzzer YYHA, and music type buzzer YYHA is just
The source electrode that pole meets circuit anode VCC, enhanced N-channel FET VT1 meets circuit ground GND；
The positive pole of 12V dc sources is connected with circuit anode VCC, and the negative pole of 12V dc sources is connected with circuit ground GND.
Brief description of the drawings
Accompanying drawing 1 is that the present invention provides an embodiment circuit fundamental diagram for touch delayed type electronic music doorbell.
Specific embodiment
According to touch delayed type electronic music doorbell circuit fundamental diagram and brief description of the drawings shown in accompanying drawing 1, and according to
Annexation between component in each several part circuit described in the content of the invention, and the component technology ginseng described in implementation method
Number is required and circuit production main points are implemented to be capable of achieving the present invention, and correlation technique of the invention is made with reference to embodiments
Further description.
The technical parameter of component and selection are required
IC1 is the NAND gate circuit of two input four, and the model CD4011 of selection has only used it in the embodiment of the present invention
In two NAND gate circuits；
Resistance is all 1/8W metalfilmresistors from power, and the resistance of resistance R1 is 680 Ω；The resistance of resistance R2~R3
It is 120K Ω；The resistance of resistance R4 is 91K Ω；
C1 is electrochemical capacitor, and its range of capacity is：100~120 μ F/25V；
VT1 is enhanced N-channel FET, the model IRFZ22 of selection；
YYHA is music type buzzer, is the music type buzzer of 12V from working voltage direct current, it is desirable to music type honeybee
Ring device carries that sound-aid cavity, tonequality is good, low in energy consumption, operating current≤34mA；
The operating voltage of the dc source of the present embodiment is 12V, required dc source operating current >=100mA.
Circuit production main points, circuit debugging and application method
Touch electrode CM is made using the sheet metal of size 9mm × 6mm；
Because the circuit structure for touching delayed type electronic music doorbell is fairly simple, as long as the electronics unit for generally selecting
Device performance is intact, and the component annexation in accompanying drawing 1 is welded to specifications, physical connection line and welding quality
After going through correctly, circuit of the invention only needs to carry out normal work by simple debugging；
Can be in the neighbouring reliably working of forceful electric power wiring to ensure to touch delayed type electronic music doorbell, it is to avoid electromagnetic interference, it is tactile
Touch other pins that two leads of electrode CM are tried one's best away from the NAND gate circuit IC1 of two input four；
The pin that the NAND gate circuit IC1 of two input four is not used must all be grounded；
In order to prevent the NAND gate circuit IC1 of two input four in welding process from being damaged by electrostatic, therefore, in welding
During the pin of the NAND gate circuit IC1 of two input four, human body and circuit board must be kept to there is reliable ground to protect, it is proposed that best
Use IC socket；
The capacity of adjustment electrochemical capacitor C1 can change the width of output level, i.e.,：Change the NAND gate of two input four electricity
3rd pin of road IC1 exports holding time for high level；
It is required that circuit board outside uses metal shell, and require that metal shell should be reliably connected with circuit ground GND.
Circuit structure design of the invention, components' placement, and its face shaping design and its size etc. is
It is not key technology of the invention, nor claimed guardian technique content, of the invention specific because not influenceing
The realization of implementation process and goal of the invention, therefore do not illustrate one by one in the description.
Claims (1)
1. a kind of to touch delayed type electronic music doorbell, it includes that 12V dc sources, astable multibrator and high level maintain electricity
Road, music type buzzer drive circuit, it is characterised in that：
Described astable multibrator and high level holding circuit are by the NAND gate circuit IC1 of two input four, touch electrode CM, electricity
Resistance R1, resistance R2, resistance R3 and electrochemical capacitor C1 compositions, the model CD4011 that the NAND gate circuit IC1 of two input four is selected,
One end and one end of touch electrode CM of the 1st pin connecting resistance R1 of the NAND gate circuit IC1 of two input four, the other end of resistance R1
Circuit anode VCC is met with the 14th pin of the NAND gate circuit IC1 of two input four, the other end of touch electrode CM is connect by resistance R2
5th pin and the 6th pin of circuit ground GND, the NAND gate circuit IC1 of two input four meet circuit ground GND, two inputs by resistance R3
2nd pin of four NAND gate circuit IC1 connects the 4th pin of the NAND gate circuit IC1 of two input four, the NAND gate circuit of two input four
5th pin of IC1 and the 6th pin are connected with the negative pole of electrochemical capacitor C1, and the 3rd pin of the NAND gate circuit IC1 of two input four connects electrolysis
The positive pole of electric capacity C1, the 7th pin of the NAND gate circuit IC1 of two input four meets circuit ground GND；
Described music type buzzer drive circuit is by resistance R4, enhanced N-channel FET VT1 and music type buzzer
YYHA is constituted, and the 3rd pin of the NAND gate circuit IC1 of two input four connects the grid of enhanced N-channel FET VT1 by resistance R4
Pole, the drain electrode of enhanced N-channel FET VT1 connects the negative pole of music type buzzer YYHA, and music type buzzer YYHA is just
The source electrode that pole meets circuit anode VCC, enhanced N-channel FET VT1 meets circuit ground GND；
The positive pole of described 12V dc sources is connected with circuit anode VCC, negative pole and the circuit ground GND phases of 12V dc sources
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059202.7A CN106846679A (en) | 2017-01-23 | 2017-01-23 | Touch delayed type electronic music doorbell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059202.7A CN106846679A (en) | 2017-01-23 | 2017-01-23 | Touch delayed type electronic music doorbell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106846679A true CN106846679A (en) | 2017-06-13 |
Family
ID=59121690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710059202.7A Pending CN106846679A (en) | 2017-01-23 | 2017-01-23 | Touch delayed type electronic music doorbell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106846679A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111162768A (en) * | 2018-11-07 | 2020-05-15 | 台达电子工业股份有限公司 | Control device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0097498A1 (en) * | 1982-06-18 | 1984-01-04 | Fujitsu Limited | Touch sensing device |
| CN2461091Y (en) * | 2000-03-22 | 2001-11-21 | 罗斌 | Multifunction door bell |
| CN102868388A (en) * | 2012-09-19 | 2013-01-09 | 周芸 | Electronic delay microswitch |
| CN104994670A (en) * | 2015-08-13 | 2015-10-21 | 周芸 | LED lamp controller with human body induction and time-delaying functions |
| CN105179781A (en) * | 2015-10-11 | 2015-12-23 | 周芸 | Induction time-delay faucet |
| CN105276615A (en) * | 2015-11-29 | 2016-01-27 | 周云侠 | Automatic hand-touch-type delay cigarette lighter |
| CN105299288A (en) * | 2015-11-23 | 2016-02-03 | 周云侠 | Touch type delay faucet |
-
2017
- 2017-01-23 CN CN201710059202.7A patent/CN106846679A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0097498A1 (en) * | 1982-06-18 | 1984-01-04 | Fujitsu Limited | Touch sensing device |
| CN2461091Y (en) * | 2000-03-22 | 2001-11-21 | 罗斌 | Multifunction door bell |
| CN102868388A (en) * | 2012-09-19 | 2013-01-09 | 周芸 | Electronic delay microswitch |
| CN104994670A (en) * | 2015-08-13 | 2015-10-21 | 周芸 | LED lamp controller with human body induction and time-delaying functions |
| CN105179781A (en) * | 2015-10-11 | 2015-12-23 | 周芸 | Induction time-delay faucet |
| CN105299288A (en) * | 2015-11-23 | 2016-02-03 | 周云侠 | Touch type delay faucet |
| CN105276615A (en) * | 2015-11-29 | 2016-01-27 | 周云侠 | Automatic hand-touch-type delay cigarette lighter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111162768A (en) * | 2018-11-07 | 2020-05-15 | 台达电子工业股份有限公司 | Control device and method |
| CN111162768B (en) * | 2018-11-07 | 2023-01-31 | 台达电子工业股份有限公司 | Control device and method |
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| PB01 | Publication | ||
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Application publication date: 20170613 |